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Merge pull request #4989 from RisingFog/ffmpeg_win_3.2.4 

Ffmpeg win 3.2.4
This commit is contained in:
Anthony 2017-02-28 10:52:12 -08:00 committed by GitHub
parent f4ccc11b73 9b1165acf6
commit a57e233184
66 changed files with 3767 additions and 1355 deletions
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1147
Externals/ffmpeg/include/libavcodec/avcodec.h vendored
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18
Externals/ffmpeg/include/libavcodec/dirac.h vendored
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@ -33,6 +33,17 @@
#include "avcodec.h"
/**
* The spec limits the number of wavelet decompositions to 4 for both
* level 1 (VC-2) and 128 (long-gop default).
* 5 decompositions is the maximum before >16-bit buffers are needed.
* Schroedinger allows this for DD 9,7 and 13,7 wavelets only, limiting
* the others to 4 decompositions (or 3 for the fidelity filter).
*
* We use this instead of MAX_DECOMPOSITIONS to save some memory.
*/
#define MAX_DWT_LEVELS 5
/**
* Parse code values:
*
@ -52,6 +63,13 @@ enum DiracParseCodes {
DIRAC_PCODE_PICTURE_RAW = 0x48,
DIRAC_PCODE_PICTURE_LOW_DEL = 0xC8,
DIRAC_PCODE_PICTURE_HQ = 0xE8,
DIRAC_PCODE_INTER_NOREF_CO1 = 0x0A,
DIRAC_PCODE_INTER_NOREF_CO2 = 0x09,
DIRAC_PCODE_INTER_REF_CO1 = 0x0D,
DIRAC_PCODE_INTER_REF_CO2 = 0x0E,
DIRAC_PCODE_INTRA_REF_CO = 0x0C,
DIRAC_PCODE_INTRA_REF_RAW = 0x4C,
DIRAC_PCODE_INTRA_REF_PICT = 0xCC,
DIRAC_PCODE_MAGIC = 0x42424344,
};

6
Externals/ffmpeg/include/libavcodec/dxva2.h vendored
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@ -20,8 +20,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_DXVA_H
#define AVCODEC_DXVA_H
#ifndef AVCODEC_DXVA2_H
#define AVCODEC_DXVA2_H
/**
* @file
@ -90,4 +90,4 @@ struct dxva_context {
* @}
*/
#endif /* AVCODEC_DXVA_H */
#endif /* AVCODEC_DXVA2_H */

46
Externals/ffmpeg/include/libavcodec/jni.h vendored Normal file
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@ -0,0 +1,46 @@
/*
* JNI public API functions
*
* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_JNI_H
#define AVCODEC_JNI_H
/*
* Manually set a Java virtual machine which will be used to retrieve the JNI
* environment. Once a Java VM is set it cannot be changed afterwards, meaning
* you can call multiple times av_jni_set_java_vm with the same Java VM pointer
* however it will error out if you try to set a different Java VM.
*
* @param vm Java virtual machine
* @param log_ctx context used for logging, can be NULL
* @return 0 on success, < 0 otherwise
*/
int av_jni_set_java_vm(void *vm, void *log_ctx);
/*
* Get the Java virtual machine which has been set with av_jni_set_java_vm.
*
* @param vm Java virtual machine
* @return a pointer to the Java virtual machine
*/
void *av_jni_get_java_vm(void *log_ctx);
#endif /* AVCODEC_JNI_H */

88
Externals/ffmpeg/include/libavcodec/mediacodec.h vendored Normal file
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@ -0,0 +1,88 @@
/*
* Android MediaCodec public API
*
* Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_MEDIACODEC_H
#define AVCODEC_MEDIACODEC_H
#include "libavcodec/avcodec.h"
/**
* This structure holds a reference to a android/view/Surface object that will
* be used as output by the decoder.
*
*/
typedef struct AVMediaCodecContext {
/**
* android/view/Surface object reference.
*/
void *surface;
} AVMediaCodecContext;
/**
* Allocate and initialize a MediaCodec context.
*
* When decoding with MediaCodec is finished, the caller must free the
* MediaCodec context with av_mediacodec_default_free.
*
* @return a pointer to a newly allocated AVMediaCodecContext on success, NULL otherwise
*/
AVMediaCodecContext *av_mediacodec_alloc_context(void);
/**
* Convenience function that sets up the MediaCodec context.
*
* @param avctx codec context
* @param ctx MediaCodec context to initialize
* @param surface reference to an android/view/Surface
* @return 0 on success, < 0 otherwise
*/
int av_mediacodec_default_init(AVCodecContext *avctx, AVMediaCodecContext *ctx, void *surface);
/**
* This function must be called to free the MediaCodec context initialized with
* av_mediacodec_default_init().
*
* @param avctx codec context
*/
void av_mediacodec_default_free(AVCodecContext *avctx);
/**
* Opaque structure representing a MediaCodec buffer to render.
*/
typedef struct MediaCodecBuffer AVMediaCodecBuffer;
/**
* Release a MediaCodec buffer and render it to the surface that is associated
* with the decoder. This function should only be called once on a given
* buffer, once released the underlying buffer returns to the codec, thus
* subsequent calls to this function will have no effect.
*
* @param buffer the buffer to render
* @param render 1 to release and render the buffer to the surface or 0 to
* discard the buffer
* @return 0 on success, < 0 otherwise
*/
int av_mediacodec_release_buffer(AVMediaCodecBuffer *buffer, int render);
#endif /* AVCODEC_MEDIACODEC_H */

397
Externals/ffmpeg/include/libavcodec/old_codec_ids.h vendored
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@ -1,397 +0,0 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_OLD_CODEC_IDS_H
#define AVCODEC_OLD_CODEC_IDS_H
/*
* This header exists to prevent new codec IDs from being accidentally added to
* the deprecated list.
* Do not include it directly. It will be removed on next major bump
*
* Do not add new items to this list. Use the AVCodecID enum instead.
*/
CODEC_ID_NONE = AV_CODEC_ID_NONE,
/* video codecs */
CODEC_ID_MPEG1VIDEO,
CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
#if FF_API_XVMC
CODEC_ID_MPEG2VIDEO_XVMC,
#endif
CODEC_ID_H261,
CODEC_ID_H263,
CODEC_ID_RV10,
CODEC_ID_RV20,
CODEC_ID_MJPEG,
CODEC_ID_MJPEGB,
CODEC_ID_LJPEG,
CODEC_ID_SP5X,
CODEC_ID_JPEGLS,
CODEC_ID_MPEG4,
CODEC_ID_RAWVIDEO,
CODEC_ID_MSMPEG4V1,
CODEC_ID_MSMPEG4V2,
CODEC_ID_MSMPEG4V3,
CODEC_ID_WMV1,
CODEC_ID_WMV2,
CODEC_ID_H263P,
CODEC_ID_H263I,
CODEC_ID_FLV1,
CODEC_ID_SVQ1,
CODEC_ID_SVQ3,
CODEC_ID_DVVIDEO,
CODEC_ID_HUFFYUV,
CODEC_ID_CYUV,
CODEC_ID_H264,
CODEC_ID_INDEO3,
CODEC_ID_VP3,
CODEC_ID_THEORA,
CODEC_ID_ASV1,
CODEC_ID_ASV2,
CODEC_ID_FFV1,
CODEC_ID_4XM,
CODEC_ID_VCR1,
CODEC_ID_CLJR,
CODEC_ID_MDEC,
CODEC_ID_ROQ,
CODEC_ID_INTERPLAY_VIDEO,
CODEC_ID_XAN_WC3,
CODEC_ID_XAN_WC4,
CODEC_ID_RPZA,
CODEC_ID_CINEPAK,
CODEC_ID_WS_VQA,
CODEC_ID_MSRLE,
CODEC_ID_MSVIDEO1,
CODEC_ID_IDCIN,
CODEC_ID_8BPS,
CODEC_ID_SMC,
CODEC_ID_FLIC,
CODEC_ID_TRUEMOTION1,
CODEC_ID_VMDVIDEO,
CODEC_ID_MSZH,
CODEC_ID_ZLIB,
CODEC_ID_QTRLE,
CODEC_ID_TSCC,
CODEC_ID_ULTI,
CODEC_ID_QDRAW,
CODEC_ID_VIXL,
CODEC_ID_QPEG,
CODEC_ID_PNG,
CODEC_ID_PPM,
CODEC_ID_PBM,
CODEC_ID_PGM,
CODEC_ID_PGMYUV,
CODEC_ID_PAM,
CODEC_ID_FFVHUFF,
CODEC_ID_RV30,
CODEC_ID_RV40,
CODEC_ID_VC1,
CODEC_ID_WMV3,
CODEC_ID_LOCO,
CODEC_ID_WNV1,
CODEC_ID_AASC,
CODEC_ID_INDEO2,
CODEC_ID_FRAPS,
CODEC_ID_TRUEMOTION2,
CODEC_ID_BMP,
CODEC_ID_CSCD,
CODEC_ID_MMVIDEO,
CODEC_ID_ZMBV,
CODEC_ID_AVS,
CODEC_ID_SMACKVIDEO,
CODEC_ID_NUV,
CODEC_ID_KMVC,
CODEC_ID_FLASHSV,
CODEC_ID_CAVS,
CODEC_ID_JPEG2000,
CODEC_ID_VMNC,
CODEC_ID_VP5,
CODEC_ID_VP6,
CODEC_ID_VP6F,
CODEC_ID_TARGA,
CODEC_ID_DSICINVIDEO,
CODEC_ID_TIERTEXSEQVIDEO,
CODEC_ID_TIFF,
CODEC_ID_GIF,
CODEC_ID_DXA,
CODEC_ID_DNXHD,
CODEC_ID_THP,
CODEC_ID_SGI,
CODEC_ID_C93,
CODEC_ID_BETHSOFTVID,
CODEC_ID_PTX,
CODEC_ID_TXD,
CODEC_ID_VP6A,
CODEC_ID_AMV,
CODEC_ID_VB,
CODEC_ID_PCX,
CODEC_ID_SUNRAST,
CODEC_ID_INDEO4,
CODEC_ID_INDEO5,
CODEC_ID_MIMIC,
CODEC_ID_RL2,
CODEC_ID_ESCAPE124,
CODEC_ID_DIRAC,
CODEC_ID_BFI,
CODEC_ID_CMV,
CODEC_ID_MOTIONPIXELS,
CODEC_ID_TGV,
CODEC_ID_TGQ,
CODEC_ID_TQI,
CODEC_ID_AURA,
CODEC_ID_AURA2,
CODEC_ID_V210X,
CODEC_ID_TMV,
CODEC_ID_V210,
CODEC_ID_DPX,
CODEC_ID_MAD,
CODEC_ID_FRWU,
CODEC_ID_FLASHSV2,
CODEC_ID_CDGRAPHICS,
CODEC_ID_R210,
CODEC_ID_ANM,
CODEC_ID_BINKVIDEO,
CODEC_ID_IFF_ILBM,
CODEC_ID_IFF_BYTERUN1,
CODEC_ID_KGV1,
CODEC_ID_YOP,
CODEC_ID_VP8,
CODEC_ID_PICTOR,
CODEC_ID_ANSI,
CODEC_ID_A64_MULTI,
CODEC_ID_A64_MULTI5,
CODEC_ID_R10K,
CODEC_ID_MXPEG,
CODEC_ID_LAGARITH,
CODEC_ID_PRORES,
CODEC_ID_JV,
CODEC_ID_DFA,
CODEC_ID_WMV3IMAGE,
CODEC_ID_VC1IMAGE,
CODEC_ID_UTVIDEO,
CODEC_ID_BMV_VIDEO,
CODEC_ID_VBLE,
CODEC_ID_DXTORY,
CODEC_ID_V410,
CODEC_ID_XWD,
CODEC_ID_CDXL,
CODEC_ID_XBM,
CODEC_ID_ZEROCODEC,
CODEC_ID_MSS1,
CODEC_ID_MSA1,
CODEC_ID_TSCC2,
CODEC_ID_MTS2,
CODEC_ID_CLLC,
CODEC_ID_Y41P = MKBETAG('Y','4','1','P'),
CODEC_ID_ESCAPE130 = MKBETAG('E','1','3','0'),
CODEC_ID_EXR = MKBETAG('0','E','X','R'),
CODEC_ID_AVRP = MKBETAG('A','V','R','P'),
CODEC_ID_G2M = MKBETAG( 0 ,'G','2','M'),
CODEC_ID_AVUI = MKBETAG('A','V','U','I'),
CODEC_ID_AYUV = MKBETAG('A','Y','U','V'),
CODEC_ID_V308 = MKBETAG('V','3','0','8'),
CODEC_ID_V408 = MKBETAG('V','4','0','8'),
CODEC_ID_YUV4 = MKBETAG('Y','U','V','4'),
CODEC_ID_SANM = MKBETAG('S','A','N','M'),
CODEC_ID_PAF_VIDEO = MKBETAG('P','A','F','V'),
CODEC_ID_SNOW = AV_CODEC_ID_SNOW,
/* various PCM "codecs" */
CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
CODEC_ID_PCM_S16LE = 0x10000,
CODEC_ID_PCM_S16BE,
CODEC_ID_PCM_U16LE,
CODEC_ID_PCM_U16BE,
CODEC_ID_PCM_S8,
CODEC_ID_PCM_U8,
CODEC_ID_PCM_MULAW,
CODEC_ID_PCM_ALAW,
CODEC_ID_PCM_S32LE,
CODEC_ID_PCM_S32BE,
CODEC_ID_PCM_U32LE,
CODEC_ID_PCM_U32BE,
CODEC_ID_PCM_S24LE,
CODEC_ID_PCM_S24BE,
CODEC_ID_PCM_U24LE,
CODEC_ID_PCM_U24BE,
CODEC_ID_PCM_S24DAUD,
CODEC_ID_PCM_ZORK,
CODEC_ID_PCM_S16LE_PLANAR,
CODEC_ID_PCM_DVD,
CODEC_ID_PCM_F32BE,
CODEC_ID_PCM_F32LE,
CODEC_ID_PCM_F64BE,
CODEC_ID_PCM_F64LE,
CODEC_ID_PCM_BLURAY,
CODEC_ID_PCM_LXF,
CODEC_ID_S302M,
CODEC_ID_PCM_S8_PLANAR,
/* various ADPCM codecs */
CODEC_ID_ADPCM_IMA_QT = 0x11000,
CODEC_ID_ADPCM_IMA_WAV,
CODEC_ID_ADPCM_IMA_DK3,
CODEC_ID_ADPCM_IMA_DK4,
CODEC_ID_ADPCM_IMA_WS,
CODEC_ID_ADPCM_IMA_SMJPEG,
CODEC_ID_ADPCM_MS,
CODEC_ID_ADPCM_4XM,
CODEC_ID_ADPCM_XA,
CODEC_ID_ADPCM_ADX,
CODEC_ID_ADPCM_EA,
CODEC_ID_ADPCM_G726,
CODEC_ID_ADPCM_CT,
CODEC_ID_ADPCM_SWF,
CODEC_ID_ADPCM_YAMAHA,
CODEC_ID_ADPCM_SBPRO_4,
CODEC_ID_ADPCM_SBPRO_3,
CODEC_ID_ADPCM_SBPRO_2,
CODEC_ID_ADPCM_THP,
CODEC_ID_ADPCM_IMA_AMV,
CODEC_ID_ADPCM_EA_R1,
CODEC_ID_ADPCM_EA_R3,
CODEC_ID_ADPCM_EA_R2,
CODEC_ID_ADPCM_IMA_EA_SEAD,
CODEC_ID_ADPCM_IMA_EA_EACS,
CODEC_ID_ADPCM_EA_XAS,
CODEC_ID_ADPCM_EA_MAXIS_XA,
CODEC_ID_ADPCM_IMA_ISS,
CODEC_ID_ADPCM_G722,
CODEC_ID_ADPCM_IMA_APC,
CODEC_ID_VIMA = MKBETAG('V','I','M','A'),
/* AMR */
CODEC_ID_AMR_NB = 0x12000,
CODEC_ID_AMR_WB,
/* RealAudio codecs*/
CODEC_ID_RA_144 = 0x13000,
CODEC_ID_RA_288,
/* various DPCM codecs */
CODEC_ID_ROQ_DPCM = 0x14000,
CODEC_ID_INTERPLAY_DPCM,
CODEC_ID_XAN_DPCM,
CODEC_ID_SOL_DPCM,
/* audio codecs */
CODEC_ID_MP2 = 0x15000,
CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3
CODEC_ID_AAC,
CODEC_ID_AC3,
CODEC_ID_DTS,
CODEC_ID_VORBIS,
CODEC_ID_DVAUDIO,
CODEC_ID_WMAV1,
CODEC_ID_WMAV2,
CODEC_ID_MACE3,
CODEC_ID_MACE6,
CODEC_ID_VMDAUDIO,
CODEC_ID_FLAC,
CODEC_ID_MP3ADU,
CODEC_ID_MP3ON4,
CODEC_ID_SHORTEN,
CODEC_ID_ALAC,
CODEC_ID_WESTWOOD_SND1,
CODEC_ID_GSM, ///< as in Berlin toast format
CODEC_ID_QDM2,
CODEC_ID_COOK,
CODEC_ID_TRUESPEECH,
CODEC_ID_TTA,
CODEC_ID_SMACKAUDIO,
CODEC_ID_QCELP,
CODEC_ID_WAVPACK,
CODEC_ID_DSICINAUDIO,
CODEC_ID_IMC,
CODEC_ID_MUSEPACK7,
CODEC_ID_MLP,
CODEC_ID_GSM_MS, /* as found in WAV */
CODEC_ID_ATRAC3,
CODEC_ID_VOXWARE,
CODEC_ID_APE,
CODEC_ID_NELLYMOSER,
CODEC_ID_MUSEPACK8,
CODEC_ID_SPEEX,
CODEC_ID_WMAVOICE,
CODEC_ID_WMAPRO,
CODEC_ID_WMALOSSLESS,
CODEC_ID_ATRAC3P,
CODEC_ID_EAC3,
CODEC_ID_SIPR,
CODEC_ID_MP1,
CODEC_ID_TWINVQ,
CODEC_ID_TRUEHD,
CODEC_ID_MP4ALS,
CODEC_ID_ATRAC1,
CODEC_ID_BINKAUDIO_RDFT,
CODEC_ID_BINKAUDIO_DCT,
CODEC_ID_AAC_LATM,
CODEC_ID_QDMC,
CODEC_ID_CELT,
CODEC_ID_G723_1,
CODEC_ID_G729,
CODEC_ID_8SVX_EXP,
CODEC_ID_8SVX_FIB,
CODEC_ID_BMV_AUDIO,
CODEC_ID_RALF,
CODEC_ID_IAC,
CODEC_ID_ILBC,
CODEC_ID_FFWAVESYNTH = MKBETAG('F','F','W','S'),
CODEC_ID_SONIC = MKBETAG('S','O','N','C'),
CODEC_ID_SONIC_LS = MKBETAG('S','O','N','L'),
CODEC_ID_PAF_AUDIO = MKBETAG('P','A','F','A'),
CODEC_ID_OPUS = MKBETAG('O','P','U','S'),
/* subtitle codecs */
CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
CODEC_ID_DVD_SUBTITLE = 0x17000,
CODEC_ID_DVB_SUBTITLE,
CODEC_ID_TEXT, ///< raw UTF-8 text
CODEC_ID_XSUB,
CODEC_ID_SSA,
CODEC_ID_MOV_TEXT,
CODEC_ID_HDMV_PGS_SUBTITLE,
CODEC_ID_DVB_TELETEXT,
CODEC_ID_SRT,
CODEC_ID_MICRODVD = MKBETAG('m','D','V','D'),
CODEC_ID_EIA_608 = MKBETAG('c','6','0','8'),
CODEC_ID_JACOSUB = MKBETAG('J','S','U','B'),
CODEC_ID_SAMI = MKBETAG('S','A','M','I'),
CODEC_ID_REALTEXT = MKBETAG('R','T','X','T'),
CODEC_ID_SUBVIEWER = MKBETAG('S','u','b','V'),
/* other specific kind of codecs (generally used for attachments) */
CODEC_ID_FIRST_UNKNOWN = 0x18000, ///< A dummy ID pointing at the start of various fake codecs.
CODEC_ID_TTF = 0x18000,
CODEC_ID_BINTEXT = MKBETAG('B','T','X','T'),
CODEC_ID_XBIN = MKBETAG('X','B','I','N'),
CODEC_ID_IDF = MKBETAG( 0 ,'I','D','F'),
CODEC_ID_OTF = MKBETAG( 0 ,'O','T','F'),
CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it
CODEC_ID_MPEG2TS = 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
* stream (only used by libavformat) */
CODEC_ID_MPEG4SYSTEMS = 0x20001, /**< _FAKE_ codec to indicate a MPEG-4 Systems
* stream (only used by libavformat) */
CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information.
#endif /* AVCODEC_OLD_CODEC_IDS_H */

26
Externals/ffmpeg/include/libavcodec/version.h vendored
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@ -1,5 +1,4 @@
/*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
@ -29,8 +28,8 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 21
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_MINOR 64
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
@ -61,6 +60,9 @@
#ifndef FF_API_AVCODEC_RESAMPLE
#define FF_API_AVCODEC_RESAMPLE FF_API_AUDIO_CONVERT
#endif
#ifndef FF_API_GETCHROMA
#define FF_API_GETCHROMA (LIBAVCODEC_VERSION_MAJOR < 58)
#endif
#ifndef FF_API_MISSING_SAMPLE
#define FF_API_MISSING_SAMPLE (LIBAVCODEC_VERSION_MAJOR < 58)
#endif
@ -206,5 +208,23 @@
#ifndef FF_API_STAT_BITS
#define FF_API_STAT_BITS (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_PRIVATE_OPT
#define FF_API_PRIVATE_OPT (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_ASS_TIMING
#define FF_API_ASS_TIMING (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_OLD_BSF
#define FF_API_OLD_BSF (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_COPY_CONTEXT
#define FF_API_COPY_CONTEXT (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_GET_CONTEXT_DEFAULTS
#define FF_API_GET_CONTEXT_DEFAULTS (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
#ifndef FF_API_NVENC_OLD_NAME
#define FF_API_NVENC_OLD_NAME (LIBAVCODEC_VERSION_MAJOR < 59)
#endif
#endif /* AVCODEC_VERSION_H */

7
Externals/ffmpeg/include/libavcodec/vorbis_parser.h vendored
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@ -1,5 +1,4 @@
/*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
@ -24,8 +23,8 @@
* Determines the duration for each packet.
*/
#ifndef AVCODEC_VORBIS_PARSE_H
#define AVCODEC_VORBIS_PARSE_H
#ifndef AVCODEC_VORBIS_PARSER_H
#define AVCODEC_VORBIS_PARSER_H
#include <stdint.h>
@ -75,4 +74,4 @@ int av_vorbis_parse_frame(AVVorbisParseContext *s, const uint8_t *buf,
void av_vorbis_parse_reset(AVVorbisParseContext *s);
#endif /* AVCODEC_VORBIS_PARSE_H */
#endif /* AVCODEC_VORBIS_PARSER_H */

246
Externals/ffmpeg/include/libavformat/avformat.h vendored
View File

@ -28,8 +28,8 @@
*/
/**
* @defgroup libavf I/O and Muxing/Demuxing Library
* @{
* @defgroup libavf libavformat
* I/O and Muxing/Demuxing Library
*
* Libavformat (lavf) is a library for dealing with various media container
* formats. Its main two purposes are demuxing - i.e. splitting a media file
@ -78,6 +78,20 @@
* if its AVClass is non-NULL, and the protocols layer. See the discussion on
* nesting in @ref avoptions documentation to learn how to access those.
*
* @section urls
* URL strings in libavformat are made of a scheme/protocol, a ':', and a
* scheme specific string. URLs without a scheme and ':' used for local files
* are supported but deprecated. "file:" should be used for local files.
*
* It is important that the scheme string is not taken from untrusted
* sources without checks.
*
* Note that some schemes/protocols are quite powerful, allowing access to
* both local and remote files, parts of them, concatenations of them, local
* audio and video devices and so on.
*
* @{
*
* @defgroup lavf_decoding Demuxing
* @{
* Demuxers read a media file and split it into chunks of data (@em packets). A
@ -88,10 +102,10 @@
* cleanup.
*
* @section lavf_decoding_open Opening a media file
* The minimum information required to open a file is its URL or filename, which
* The minimum information required to open a file is its URL, which
* is passed to avformat_open_input(), as in the following code:
* @code
* const char *url = "in.mp3";
* const char *url = "file:in.mp3";
* AVFormatContext *s = NULL;
* int ret = avformat_open_input(&s, url, NULL, NULL);
* if (ret < 0)
@ -149,8 +163,8 @@
* av_read_frame() on it. Each call, if successful, will return an AVPacket
* containing encoded data for one AVStream, identified by
* AVPacket.stream_index. This packet may be passed straight into the libavcodec
* decoding functions avcodec_decode_video2(), avcodec_decode_audio4() or
* avcodec_decode_subtitle2() if the caller wishes to decode the data.
* decoding functions avcodec_send_packet() or avcodec_decode_subtitle2() if the
* caller wishes to decode the data.
*
* AVPacket.pts, AVPacket.dts and AVPacket.duration timing information will be
* set if known. They may also be unset (i.e. AV_NOPTS_VALUE for
@ -191,15 +205,15 @@
* avio_open2() or a custom one.
* - Unless the format is of the AVFMT_NOSTREAMS type, at least one stream must
* be created with the avformat_new_stream() function. The caller should fill
* the @ref AVStream.codec "stream codec context" information, such as the
* codec @ref AVCodecContext.codec_type "type", @ref AVCodecContext.codec_id
* the @ref AVStream.codecpar "stream codec parameters" information, such as the
* codec @ref AVCodecParameters.codec_type "type", @ref AVCodecParameters.codec_id
* "id" and other parameters (e.g. width / height, the pixel or sample format,
* etc.) as known. The @ref AVStream.time_base "stream timebase" should
* be set to the timebase that the caller desires to use for this stream (note
* that the timebase actually used by the muxer can be different, as will be
* described later).
* - It is advised to manually initialize only the relevant fields in
* AVCodecContext, rather than using @ref avcodec_copy_context() during
* AVCodecParameters, rather than using @ref avcodec_parameters_copy() during
* remuxing: there is no guarantee that the codec context values remain valid
* for both input and output format contexts.
* - The caller may fill in additional information, such as @ref
@ -298,7 +312,6 @@
* @{
* @}
* @}
*
*/
#include <time.h>
@ -516,7 +529,7 @@ typedef struct AVOutputFormat {
* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER,
* AVFMT_GLOBALHEADER, AVFMT_NOTIMESTAMPS, AVFMT_VARIABLE_FPS,
* AVFMT_NODIMENSIONS, AVFMT_NOSTREAMS, AVFMT_ALLOW_FLUSH,
* AVFMT_TS_NONSTRICT
* AVFMT_TS_NONSTRICT, AVFMT_TS_NEGATIVE
*/
int flags;
@ -605,6 +618,8 @@ typedef struct AVOutputFormat {
* AVStream parameters that need to be set before packets are sent.
* This method must not write output.
*
* Return 0 if streams were fully configured, 1 if not, negative AVERROR on failure
*
* Any allocations made here must be freed in deinit().
*/
int (*init)(struct AVFormatContext *);
@ -801,6 +816,9 @@ typedef struct AVIndexEntry {
* is known
*/
#define AVINDEX_KEYFRAME 0x0001
#define AVINDEX_DISCARD_FRAME 0x0002 /**
* Flag is used to indicate which frame should be discarded after decoding.
*/
int flags:2;
int size:30; //Yeah, trying to keep the size of this small to reduce memory requirements (it is 24 vs. 32 bytes due to possible 8-byte alignment).
int min_distance; /**< Minimum distance between this and the previous keyframe, used to avoid unneeded searching. */
@ -824,11 +842,17 @@ typedef struct AVIndexEntry {
#define AV_DISPOSITION_CLEAN_EFFECTS 0x0200 /**< stream without voice */
/**
* The stream is stored in the file as an attached picture/"cover art" (e.g.
* APIC frame in ID3v2). The single packet associated with it will be returned
* among the first few packets read from the file unless seeking takes place.
* It can also be accessed at any time in AVStream.attached_pic.
* APIC frame in ID3v2). The first (usually only) packet associated with it
* will be returned among the first few packets read from the file unless
* seeking takes place. It can also be accessed at any time in
* AVStream.attached_pic.
*/
#define AV_DISPOSITION_ATTACHED_PIC 0x0400
/**
* The stream is sparse, and contains thumbnail images, often corresponding
* to chapter markers. Only ever used with AV_DISPOSITION_ATTACHED_PIC.
*/
#define AV_DISPOSITION_TIMED_THUMBNAILS 0x0800
typedef struct AVStreamInternal AVStreamInternal;
@ -861,18 +885,13 @@ typedef struct AVStream {
* encoding: set by the user, replaced by libavformat if left unset
*/
int id;
#if FF_API_LAVF_AVCTX
/**
* Codec context associated with this stream. Allocated and freed by
* libavformat.
*
* - decoding: The demuxer exports codec information stored in the headers
* here.
* - encoding: The user sets codec information, the muxer writes it to the
* output. Mandatory fields as specified in AVCodecContext
* documentation must be set even if this AVCodecContext is
* not actually used for encoding.
* @deprecated use the codecpar struct instead
*/
attribute_deprecated
AVCodecContext *codec;
#endif
void *priv_data;
#if FF_API_LAVF_FRAC
@ -990,7 +1009,7 @@ typedef struct AVStream {
/**
* Stream information used internally by av_find_stream_info()
*/
#define MAX_STD_TIMEBASES (30*12+7+6)
#define MAX_STD_TIMEBASES (30*12+30+3+6)
struct {
int64_t last_dts;
int64_t duration_gcd;
@ -1200,6 +1219,17 @@ typedef struct AVStream {
* Must not be accessed in any way by callers.
*/
AVStreamInternal *internal;
/*
* Codec parameters associated with this stream. Allocated and freed by
* libavformat in avformat_new_stream() and avformat_free_context()
* respectively.
*
* - demuxing: filled by libavformat on stream creation or in
* avformat_find_stream_info()
* - muxing: filled by the caller before avformat_write_header()
*/
AVCodecParameters *codecpar;
} AVStream;
AVRational av_stream_get_r_frame_rate(const AVStream *s);
@ -1288,6 +1318,12 @@ typedef struct AVFormatInternal AVFormatInternal;
* version bump.
* sizeof(AVFormatContext) must not be used outside libav*, use
* avformat_alloc_context() to create an AVFormatContext.
*
* Fields can be accessed through AVOptions (av_opt*),
* the name string used matches the associated command line parameter name and
* can be found in libavformat/options_table.h.
* The AVOption/command line parameter names differ in some cases from the C
* structure field names for historic reasons or brevity.
*/
typedef struct AVFormatContext {
/**
@ -1423,6 +1459,8 @@ typedef struct AVFormatContext {
#define AVFMT_FLAG_PRIV_OPT 0x20000 ///< Enable use of private options by delaying codec open (this could be made default once all code is converted)
#define AVFMT_FLAG_KEEP_SIDE_DATA 0x40000 ///< Don't merge side data but keep it separate.
#define AVFMT_FLAG_FAST_SEEK 0x80000 ///< Enable fast, but inaccurate seeks for some formats
#define AVFMT_FLAG_SHORTEST 0x100000 ///< Stop muxing when the shortest stream stops.
#define AVFMT_FLAG_AUTO_BSF 0x200000 ///< Wait for packet data before writing a header, and add bitstream filters as requested by the muxer
/**
* Maximum size of the data read from input for determining
@ -1768,7 +1806,6 @@ typedef struct AVFormatContext {
/**
* User data.
* This is a place for some private data of the user.
* Mostly usable with control_message_cb or any future callbacks in device's context.
*/
void *opaque;
@ -1799,6 +1836,7 @@ typedef struct AVFormatContext {
*/
enum AVCodecID data_codec_id;
#if FF_API_OLD_OPEN_CALLBACKS
/**
* Called to open further IO contexts when needed for demuxing.
*
@ -1813,8 +1851,61 @@ typedef struct AVFormatContext {
* @See av_format_set_open_cb()
*
* Demuxing: Set by user.
*
* @deprecated Use io_open and io_close.
*/
attribute_deprecated
int (*open_cb)(struct AVFormatContext *s, AVIOContext **p, const char *url, int flags, const AVIOInterruptCB *int_cb, AVDictionary **options);
#endif
/**
* ',' separated list of allowed protocols.
* - encoding: unused
* - decoding: set by user through AVOptions (NO direct access)
*/
char *protocol_whitelist;
/*
* A callback for opening new IO streams.
*
* Whenever a muxer or a demuxer needs to open an IO stream (typically from
* avformat_open_input() for demuxers, but for certain formats can happen at
* other times as well), it will call this callback to obtain an IO context.
*
* @param s the format context
* @param pb on success, the newly opened IO context should be returned here
* @param url the url to open
* @param flags a combination of AVIO_FLAG_*
* @param options a dictionary of additional options, with the same
* semantics as in avio_open2()
* @return 0 on success, a negative AVERROR code on failure
*
* @note Certain muxers and demuxers do nesting, i.e. they open one or more
* additional internal format contexts. Thus the AVFormatContext pointer
* passed to this callback may be different from the one facing the caller.
* It will, however, have the same 'opaque' field.
*/
int (*io_open)(struct AVFormatContext *s, AVIOContext **pb, const char *url,
int flags, AVDictionary **options);
/**
* A callback for closing the streams opened with AVFormatContext.io_open().
*/
void (*io_close)(struct AVFormatContext *s, AVIOContext *pb);
/**
* ',' separated list of disallowed protocols.
* - encoding: unused
* - decoding: set by user through AVOptions (NO direct access)
*/
char *protocol_blacklist;
/**
* The maximum number of streams.
* - encoding: unused
* - decoding: set by user through AVOptions (NO direct access)
*/
int max_streams;
} AVFormatContext;
int av_format_get_probe_score(const AVFormatContext *s);
@ -1832,8 +1923,10 @@ void * av_format_get_opaque(const AVFormatContext *s);
void av_format_set_opaque(AVFormatContext *s, void *opaque);
av_format_control_message av_format_get_control_message_cb(const AVFormatContext *s);
void av_format_set_control_message_cb(AVFormatContext *s, av_format_control_message callback);
AVOpenCallback av_format_get_open_cb(const AVFormatContext *s);
void av_format_set_open_cb(AVFormatContext *s, AVOpenCallback callback);
#if FF_API_OLD_OPEN_CALLBACKS
attribute_deprecated AVOpenCallback av_format_get_open_cb(const AVFormatContext *s);
attribute_deprecated void av_format_set_open_cb(AVFormatContext *s, AVOpenCallback callback);
#endif
/**
* This function will cause global side data to be injected in the next packet
@ -1980,8 +2073,13 @@ uint8_t *av_stream_new_side_data(AVStream *stream,
* @param size pointer for side information size to store (optional)
* @return pointer to data if present or NULL otherwise
*/
#if FF_API_NOCONST_GET_SIDE_DATA
uint8_t *av_stream_get_side_data(AVStream *stream,
enum AVPacketSideDataType type, int *size);
#else
uint8_t *av_stream_get_side_data(const AVStream *stream,
enum AVPacketSideDataType type, int *size);
#endif
AVProgram *av_new_program(AVFormatContext *s, int id);
@ -2059,7 +2157,7 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score
*
* @param pb the bytestream to probe
* @param fmt the input format is put here
* @param filename the filename of the stream
* @param url the url of the stream
* @param logctx the log context
* @param offset the offset within the bytestream to probe from
* @param max_probe_size the maximum probe buffer size (zero for default)
@ -2068,14 +2166,14 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score
* AVERROR code otherwise
*/
int av_probe_input_buffer2(AVIOContext *pb, AVInputFormat **fmt,
const char *filename, void *logctx,
const char *url, void *logctx,
unsigned int offset, unsigned int max_probe_size);
/**
* Like av_probe_input_buffer2() but returns 0 on success
*/
int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
const char *filename, void *logctx,
const char *url, void *logctx,
unsigned int offset, unsigned int max_probe_size);
/**
@ -2086,7 +2184,7 @@ int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
* May be a pointer to NULL, in which case an AVFormatContext is allocated by this
* function and written into ps.
* Note that a user-supplied AVFormatContext will be freed on failure.
* @param filename Name of the stream to open.
* @param url URL of the stream to open.
* @param fmt If non-NULL, this parameter forces a specific input format.
* Otherwise the format is autodetected.
* @param options A dictionary filled with AVFormatContext and demuxer-private options.
@ -2097,7 +2195,7 @@ int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
*
* @note If you want to use custom IO, preallocate the format context and set its pb field.
*/
int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options);
int avformat_open_input(AVFormatContext **ps, const char *url, AVInputFormat *fmt, AVDictionary **options);
attribute_deprecated
int av_demuxer_open(AVFormatContext *ic);
@ -2291,6 +2389,10 @@ void avformat_close_input(AVFormatContext **s);
* @addtogroup lavf_encoding
* @{
*/
#define AVSTREAM_INIT_IN_WRITE_HEADER 0 ///< stream parameters initialized in avformat_write_header
#define AVSTREAM_INIT_IN_INIT_OUTPUT 1 ///< stream parameters initialized in avformat_init_output
/**
* Allocate the stream private data and write the stream header to
* an output media file.
@ -2302,13 +2404,37 @@ void avformat_close_input(AVFormatContext **s);
* On return this parameter will be destroyed and replaced with a dict containing
* options that were not found. May be NULL.
*
* @return 0 on success, negative AVERROR on failure.
* @return AVSTREAM_INIT_IN_WRITE_HEADER on success if the codec had not already been fully initialized in avformat_init,
* AVSTREAM_INIT_IN_INIT_OUTPUT on success if the codec had already been fully initialized in avformat_init,
* negative AVERROR on failure.
*
* @see av_opt_find, av_dict_set, avio_open, av_oformat_next.
* @see av_opt_find, av_dict_set, avio_open, av_oformat_next, avformat_init_output.
*/
av_warn_unused_result
int avformat_write_header(AVFormatContext *s, AVDictionary **options);
/**
* Allocate the stream private data and initialize the codec, but do not write the header.
* May optionally be used before avformat_write_header to initialize stream parameters
* before actually writing the header.
* If using this function, do not pass the same options to avformat_write_header.
*
* @param s Media file handle, must be allocated with avformat_alloc_context().
* Its oformat field must be set to the desired output format;
* Its pb field must be set to an already opened AVIOContext.
* @param options An AVDictionary filled with AVFormatContext and muxer-private options.
* On return this parameter will be destroyed and replaced with a dict containing
* options that were not found. May be NULL.
*
* @return AVSTREAM_INIT_IN_WRITE_HEADER on success if the codec requires avformat_write_header to fully initialize,
* AVSTREAM_INIT_IN_INIT_OUTPUT on success if the codec has been fully initialized,
* negative AVERROR on failure.
*
* @see av_opt_find, av_dict_set, avio_open, av_oformat_next, avformat_write_header.
*/
av_warn_unused_result
int avformat_init_output(AVFormatContext *s, AVDictionary **options);
/**
* Write a packet to an output media file.
*
@ -2356,6 +2482,10 @@ int av_write_frame(AVFormatContext *s, AVPacket *pkt);
* increasing dts. Callers doing their own interleaving should call
* av_write_frame() instead of this function.
*
* Using this function instead of av_write_frame() can give muxers advance
* knowledge of future packets, improving e.g. the behaviour of the mp4
* muxer for VFR content in fragmenting mode.
*
* @param s media file handle
* @param pkt The packet containing the data to be written.
* <br>
@ -2390,7 +2520,7 @@ int av_write_frame(AVFormatContext *s, AVPacket *pkt);
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt);
/**
* Write a uncoded frame to an output media file.
* Write an uncoded frame to an output media file.
*
* The frame must be correctly interleaved according to the container
* specification; if not, then av_interleaved_write_frame() must be used.
@ -2401,7 +2531,7 @@ int av_write_uncoded_frame(AVFormatContext *s, int stream_index,
AVFrame *frame);
/**
* Write a uncoded frame to an output media file.
* Write an uncoded frame to an output media file.
*
* If the muxer supports it, this function makes it possible to write an AVFrame
* structure directly, without encoding it into a packet.
@ -2643,6 +2773,9 @@ void av_dump_format(AVFormatContext *ic,
const char *url,
int is_output);
#define AV_FRAME_FILENAME_FLAGS_MULTIPLE 1 ///< Allow multiple %d
/**
* Return in 'buf' the path with '%d' replaced by a number.
*
@ -2653,8 +2786,12 @@ void av_dump_format(AVFormatContext *ic,
* @param buf_size destination buffer size
* @param path numbered sequence string
* @param number frame number
* @param flags AV_FRAME_FILENAME_FLAGS_*
* @return 0 if OK, -1 on format error
*/
int av_get_frame_filename2(char *buf, int buf_size,
const char *path, int number, int flags);
int av_get_frame_filename(char *buf, int buf_size,
const char *path, int number);
@ -2791,13 +2928,48 @@ int avformat_queue_attached_pictures(AVFormatContext *s);
* Apply a list of bitstream filters to a packet.
*
* @param codec AVCodecContext, usually from an AVStream
* @param pkt the packet to apply filters to
* @param pkt the packet to apply filters to. If, on success, the returned
* packet has size == 0 and side_data_elems == 0, it indicates that
* the packet should be dropped
* @param bsfc a NULL-terminated list of filters to apply
* @return >=0 on success;
* AVERROR code on failure
*/
#if FF_API_OLD_BSF
attribute_deprecated
int av_apply_bitstream_filters(AVCodecContext *codec, AVPacket *pkt,
AVBitStreamFilterContext *bsfc);
#endif
enum AVTimebaseSource {
AVFMT_TBCF_AUTO = -1,
AVFMT_TBCF_DECODER,
AVFMT_TBCF_DEMUXER,
#if FF_API_R_FRAME_RATE
AVFMT_TBCF_R_FRAMERATE,
#endif
};
/**
* Transfer internal timing information from one stream to another.
*
* This function is useful when doing stream copy.
*
* @param ofmt target output format for ost
* @param ost output stream which needs timings copy and adjustments
* @param ist reference input stream to copy timings from
* @param copy_tb define from where the stream codec timebase needs to be imported
*/
int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
AVStream *ost, const AVStream *ist,
enum AVTimebaseSource copy_tb);
/**
* Get the internal codec timebase from a stream.
*
* @param st input stream to extract the timebase from
*/
AVRational av_stream_get_codec_timebase(const AVStream *st);
/**
* @}

82
Externals/ffmpeg/include/libavformat/avio.h vendored
View File

@ -96,6 +96,42 @@ typedef struct AVIODirContext {
struct URLContext *url_context;
} AVIODirContext;
/**
* Different data types that can be returned via the AVIO
* write_data_type callback.
*/
enum AVIODataMarkerType {
/**
* Header data; this needs to be present for the stream to be decodeable.
*/
AVIO_DATA_MARKER_HEADER,
/**
* A point in the output bytestream where a decoder can start decoding
* (i.e. a keyframe). A demuxer/decoder given the data flagged with
* AVIO_DATA_MARKER_HEADER, followed by any AVIO_DATA_MARKER_SYNC_POINT,
* should give decodeable results.
*/
AVIO_DATA_MARKER_SYNC_POINT,
/**
* A point in the output bytestream where a demuxer can start parsing
* (for non self synchronizing bytestream formats). That is, any
* non-keyframe packet start point.
*/
AVIO_DATA_MARKER_BOUNDARY_POINT,
/**
* This is any, unlabelled data. It can either be a muxer not marking
* any positions at all, it can be an actual boundary/sync point
* that the muxer chooses not to mark, or a later part of a packet/fragment
* that is cut into multiple write callbacks due to limited IO buffer size.
*/
AVIO_DATA_MARKER_UNKNOWN,
/**
* Trailer data, which doesn't contain actual content, but only for
* finalizing the output file.
*/
AVIO_DATA_MARKER_TRAILER
};
/**
* Bytestream IO Context.
* New fields can be added to the end with minor version bumps.
@ -249,9 +285,35 @@ typedef struct AVIOContext {
* This is current internal only, do not use from outside.
*/
int short_seek_threshold;
} AVIOContext;
/* unbuffered I/O */
/**
* ',' separated list of allowed protocols.
*/
const char *protocol_whitelist;
/**
* ',' separated list of disallowed protocols.
*/
const char *protocol_blacklist;
/**
* A callback that is used instead of write_packet.
*/
int (*write_data_type)(void *opaque, uint8_t *buf, int buf_size,
enum AVIODataMarkerType type, int64_t time);
/**
* If set, don't call write_data_type separately for AVIO_DATA_MARKER_BOUNDARY_POINT,
* but ignore them and treat them as AVIO_DATA_MARKER_UNKNOWN (to avoid needlessly
* small chunks of data returned from the callback).
*/
int ignore_boundary_point;
/**
* Internal, not meant to be used from outside of AVIOContext.
*/
enum AVIODataMarkerType current_type;
int64_t last_time;
} AVIOContext;
/**
* Return the name of the protocol that will handle the passed URL.
@ -404,14 +466,26 @@ int avio_put_str16le(AVIOContext *s, const char *str);
int avio_put_str16be(AVIOContext *s, const char *str);
/**
* Passing this as the "whence" parameter to a seek function causes it to
* Mark the written bytestream as a specific type.
*
* Zero-length ranges are omitted from the output.
*
* @param time the stream time the current bytestream pos corresponds to
* (in AV_TIME_BASE units), or AV_NOPTS_VALUE if unknown or not
* applicable
* @param type the kind of data written starting at the current pos
*/
void avio_write_marker(AVIOContext *s, int64_t time, enum AVIODataMarkerType type);
/**
* ORing this as the "whence" parameter to a seek function causes it to
* return the filesize without seeking anywhere. Supporting this is optional.
* If it is not supported then the seek function will return <0.
*/
#define AVSEEK_SIZE 0x10000
/**
* Oring this flag as into the "whence" parameter to a seek function causes it to
* Passing this flag as the "whence" parameter to a seek function causes it to
* seek by any means (like reopening and linear reading) or other normally unreasonable
* means that can be extremely slow.
* This may be ignored by the seek code.

18
Externals/ffmpeg/include/libavformat/version.h vendored
View File

@ -29,9 +29,11 @@
#include "libavutil/version.h"
// Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
// Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 57
#define LIBAVFORMAT_VERSION_MINOR 21
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_MINOR 56
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
@ -71,6 +73,18 @@
#ifndef FF_API_COMPUTE_PKT_FIELDS2
#define FF_API_COMPUTE_PKT_FIELDS2 (LIBAVFORMAT_VERSION_MAJOR < 58)
#endif
#ifndef FF_API_OLD_OPEN_CALLBACKS
#define FF_API_OLD_OPEN_CALLBACKS (LIBAVFORMAT_VERSION_MAJOR < 58)
#endif
#ifndef FF_API_LAVF_AVCTX
#define FF_API_LAVF_AVCTX (LIBAVFORMAT_VERSION_MAJOR < 58)
#endif
#ifndef FF_API_NOCONST_GET_SIDE_DATA
#define FF_API_NOCONST_GET_SIDE_DATA (LIBAVFORMAT_VERSION_MAJOR < 58)
#endif
#ifndef FF_API_HTTP_USER_AGENT
#define FF_API_HTTP_USER_AGENT (LIBAVFORMAT_VERSION_MAJOR < 58)
#endif
#ifndef FF_API_R_FRAME_RATE
#define FF_API_R_FRAME_RATE 1

13
Externals/ffmpeg/include/libavutil/adler32.h vendored
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@ -18,6 +18,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_adler32
* Public header for Adler-32 hash function implementation.
*/
#ifndef AVUTIL_ADLER32_H
#define AVUTIL_ADLER32_H
@ -25,11 +31,10 @@
#include "attributes.h"
/**
* @file
* Public header for libavutil Adler32 hasher
* @defgroup lavu_adler32 Adler-32
* @ingroup lavu_hash
* Adler-32 hash function implementation.
*
* @defgroup lavu_adler32 Adler32
* @ingroup lavu_crypto
* @{
*/

17
Externals/ffmpeg/include/libavutil/audio_fifo.h vendored
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@ -110,6 +110,23 @@ int av_audio_fifo_write(AVAudioFifo *af, void **data, int nb_samples);
*/
int av_audio_fifo_peek(AVAudioFifo *af, void **data, int nb_samples);
/**
* Peek data from an AVAudioFifo.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.
*
* @param af AVAudioFifo to read from
* @param data audio data plane pointers
* @param nb_samples number of samples to peek
* @param offset offset from current read position
* @return number of samples actually peek, or negative AVERROR code
* on failure. The number of samples actually peek will not
* be greater than nb_samples, and will only be less than
* nb_samples if av_audio_fifo_size is less than nb_samples.
*/
int av_audio_fifo_peek_at(AVAudioFifo *af, void **data, int nb_samples, int offset);
/**
* Read data from an AVAudioFifo.
*

6
Externals/ffmpeg/include/libavutil/audioconvert.h vendored
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@ -1,6 +0,0 @@
#include "version.h"
#if FF_API_AUDIOCONVERT
#include "channel_layout.h"
#endif

11
Externals/ffmpeg/include/libavutil/avassert.h vendored
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@ -45,7 +45,7 @@
/**
* assert() equivalent, that does not lie in speed critical code.
* These asserts() thus can be enabled without fearing speedloss.
* These asserts() thus can be enabled without fearing speed loss.
*/
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0
#define av_assert1(cond) av_assert0(cond)
@ -59,8 +59,17 @@
*/
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
#define av_assert2(cond) av_assert0(cond)
#define av_assert2_fpu() av_assert0_fpu()
#else
#define av_assert2(cond) ((void)0)
#define av_assert2_fpu() ((void)0)
#endif
/**
* Assert that floating point opperations can be executed.
*
* This will av_assert0() that the cpu is not in MMX state on X86
*/
void av_assert0_fpu(void);
#endif /* AVUTIL_AVASSERT_H */

1
Externals/ffmpeg/include/libavutil/avconfig.h vendored
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@ -3,5 +3,4 @@
#define AVUTIL_AVCONFIG_H
#define AV_HAVE_BIGENDIAN 0
#define AV_HAVE_FAST_UNALIGNED 1
#define AV_HAVE_INCOMPATIBLE_LIBAV_ABI 0
#endif /* AVUTIL_AVCONFIG_H */

7
Externals/ffmpeg/include/libavutil/avstring.h vendored
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@ -156,7 +156,7 @@ static inline size_t av_strnlen(const char *s, size_t len)
char *av_asprintf(const char *fmt, ...) av_printf_format(1, 2);
/**
* Convert a number to a av_malloced string.
* Convert a number to an av_malloced string.
*/
char *av_d2str(double d);
@ -284,6 +284,11 @@ const char *av_dirname(char *path);
/**
* Match instances of a name in a comma-separated list of names.
* List entries are checked from the start to the end of the names list,
* the first match ends further processing. If an entry prefixed with '-'
* matches, then 0 is returned. The "ALL" list entry is considered to
* match all names.
*
* @param name Name to look for.
* @param names List of names.
* @return 1 on match, 0 otherwise.

22
Externals/ffmpeg/include/libavutil/avutil.h vendored
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@ -23,7 +23,8 @@
/**
* @file
* external API header
* @ingroup lavu
* Convenience header that includes @ref lavu "libavutil"'s core.
*/
/**
@ -78,14 +79,15 @@
*/
/**
* @defgroup lavu Common utility functions
* @defgroup lavu libavutil
* Common code shared across all FFmpeg libraries.
*
* @brief
* libavutil contains the code shared across all the other FFmpeg
* libraries
*
* @note In order to use the functions provided by avutil you must include
* the specific header.
* @note
* libavutil is designed to be modular. In most cases, in order to use the
* functions provided by one component of libavutil you must explicitly include
* the specific header containing that feature. If you are only using
* media-related components, you could simply include libavutil/avutil.h, which
* brings in most of the "core" components.
*
* @{
*
@ -94,7 +96,7 @@
* @{
* @}
*
* @defgroup lavu_math Maths
* @defgroup lavu_math Mathematics
* @{
*
* @}
@ -266,7 +268,7 @@ enum AVPictureType {
AV_PICTURE_TYPE_I, ///< Intra
AV_PICTURE_TYPE_P, ///< Predicted
AV_PICTURE_TYPE_B, ///< Bi-dir predicted
AV_PICTURE_TYPE_S, ///< S(GMC)-VOP MPEG4
AV_PICTURE_TYPE_S, ///< S(GMC)-VOP MPEG-4
AV_PICTURE_TYPE_SI, ///< Switching Intra
AV_PICTURE_TYPE_SP, ///< Switching Predicted
AV_PICTURE_TYPE_BI, ///< BI type

9
Externals/ffmpeg/include/libavutil/base64.h vendored
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@ -29,19 +29,24 @@
* @{
*/
/**
* Decode a base64-encoded string.
*
* @param out buffer for decoded data
* @param in null-terminated input string
* @param out_size size in bytes of the out buffer, must be at
* least 3/4 of the length of in
* least 3/4 of the length of in, that is AV_BASE64_DECODE_SIZE(strlen(in))
* @return number of bytes written, or a negative value in case of
* invalid input
*/
int av_base64_decode(uint8_t *out, const char *in, int out_size);
/**
* Calculate the output size in bytes needed to decode a base64 string
* with length x to a data buffer.
*/
#define AV_BASE64_DECODE_SIZE(x) ((x) * 3LL / 4)
/**
* Encode data to base64 and null-terminate.
*

18
Externals/ffmpeg/include/libavutil/buffer.h vendored
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@ -248,6 +248,23 @@ typedef struct AVBufferPool AVBufferPool;
*/
AVBufferPool *av_buffer_pool_init(int size, AVBufferRef* (*alloc)(int size));
/**
* Allocate and initialize a buffer pool with a more complex allocator.
*
* @param size size of each buffer in this pool
* @param opaque arbitrary user data used by the allocator
* @param alloc a function that will be used to allocate new buffers when the
* pool is empty.
* @param pool_free a function that will be called immediately before the pool
* is freed. I.e. after av_buffer_pool_can_uninit() is called
* by the pool and all the frames are returned to the pool and
* freed. It is intended to uninitialize the user opaque data.
* @return newly created buffer pool on success, NULL on error.
*/
AVBufferPool *av_buffer_pool_init2(int size, void *opaque,
AVBufferRef* (*alloc)(void *opaque, int size),
void (*pool_free)(void *opaque));
/**
* Mark the pool as being available for freeing. It will actually be freed only
* once all the allocated buffers associated with the pool are released. Thus it
@ -255,7 +272,6 @@ AVBufferPool *av_buffer_pool_init(int size, AVBufferRef* (*alloc)(int size));
* in use.
*
* @param pool pointer to the pool to be freed. It will be set to NULL.
* @see av_buffer_pool_can_uninit()
*/
void av_buffer_pool_uninit(AVBufferPool **pool);

21
Externals/ffmpeg/include/libavutil/common.h vendored
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@ -54,9 +54,12 @@
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
/* assume b>0 */
#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
/* assume a>0 and b>0 */
#define FF_CEIL_RSHIFT(a,b) (!av_builtin_constant_p(b) ? -((-(a)) >> (b)) \
/* Fast a/(1<<b) rounded toward +inf. Assume a>=0 and b>=0 */
#define AV_CEIL_RSHIFT(a,b) (!av_builtin_constant_p(b) ? -((-(a)) >> (b)) \
: ((a) + (1<<(b)) - 1) >> (b))
/* Backwards compat. */
#define FF_CEIL_RSHIFT AV_CEIL_RSHIFT
#define FFUDIV(a,b) (((a)>0 ?(a):(a)-(b)+1) / (b))
#define FFUMOD(a,b) ((a)-(b)*FFUDIV(a,b))
@ -211,7 +214,7 @@ static av_always_inline av_const int32_t av_clipl_int32_c(int64_t a)
*/
static av_always_inline av_const int av_clip_intp2_c(int a, int p)
{
if ((a + (1 << p)) & ~((2 << p) - 1))
if (((unsigned)a + (1 << p)) & ~((2 << p) - 1))
return (a >> 31) ^ ((1 << p) - 1);
else
return a;
@ -331,6 +334,11 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
return av_popcount((uint32_t)x) + av_popcount((uint32_t)(x >> 32));
}
static av_always_inline av_const int av_parity_c(uint32_t v)
{
return av_popcount(v) & 1;
}
#define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((unsigned)(d) << 24))
#define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((unsigned)(a) << 24))
@ -351,13 +359,13 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
* to prevent undefined results.
*/
#define GET_UTF8(val, GET_BYTE, ERROR)\
val= GET_BYTE;\
val= (GET_BYTE);\
{\
uint32_t top = (val & 128) >> 1;\
if ((val & 0xc0) == 0x80 || val >= 0xFE)\
ERROR\
while (val & top) {\
int tmp= GET_BYTE - 128;\
int tmp= (GET_BYTE) - 128;\
if(tmp>>6)\
ERROR\
val= (val<<6) + tmp;\
@ -517,3 +525,6 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
#ifndef av_popcount64
# define av_popcount64 av_popcount64_c
#endif
#ifndef av_parity
# define av_parity av_parity_c
#endif

2
Externals/ffmpeg/include/libavutil/cpu.h vendored
View File

@ -70,7 +70,7 @@
/**
* Return the flags which specify extensions supported by the CPU.
* The returned value is affected by av_force_cpu_flags() if that was used
* before. So av_get_cpu_flags() can easily be used in a application to
* before. So av_get_cpu_flags() can easily be used in an application to
* detect the enabled cpu flags.
*/
int av_get_cpu_flags(void);

16
Externals/ffmpeg/include/libavutil/crc.h vendored
View File

@ -18,6 +18,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_crc32
* Public header for CRC hash function implementation.
*/
#ifndef AVUTIL_CRC_H
#define AVUTIL_CRC_H
@ -27,8 +33,14 @@
#include "version.h"
/**
* @defgroup lavu_crc32 CRC32
* @ingroup lavu_crypto
* @defgroup lavu_crc32 CRC
* @ingroup lavu_hash
* CRC (Cyclic Redundancy Check) hash function implementation.
*
* This module supports numerous CRC polynomials, in addition to the most
* widely used CRC-32-IEEE. See @ref AVCRCId for a list of available
* polynomials.
*
* @{
*/

10
Externals/ffmpeg/include/libavutil/dict.h vendored
View File

@ -1,5 +1,4 @@
/*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
@ -65,7 +64,6 @@
}
av_dict_free(&d);
@endcode
*
*/
#define AV_DICT_MATCH_CASE 1 /**< Only get an entry with exact-case key match. Only relevant in av_dict_get(). */
@ -78,6 +76,7 @@
#define AV_DICT_DONT_OVERWRITE 16 ///< Don't overwrite existing entries.
#define AV_DICT_APPEND 32 /**< If the entry already exists, append to it. Note that no
delimiter is added, the strings are simply concatenated. */
#define AV_DICT_MULTIKEY 64 /**< Allow to store several equal keys in the dictionary */
typedef struct AVDictionaryEntry {
char *key;
@ -118,10 +117,13 @@ int av_dict_count(const AVDictionary *m);
* Note: If AV_DICT_DONT_STRDUP_KEY or AV_DICT_DONT_STRDUP_VAL is set,
* these arguments will be freed on error.
*
* Warning: Adding a new entry to a dictionary invalidates all existing entries
* previously returned with av_dict_get.
*
* @param pm pointer to a pointer to a dictionary struct. If *pm is NULL
* a dictionary struct is allocated and put in *pm.
* @param key entry key to add to *pm (will be av_strduped depending on flags)
* @param value entry value to add to *pm (will be av_strduped depending on flags).
* @param key entry key to add to *pm (will either be av_strduped or added as a new key depending on flags)
* @param value entry value to add to *pm (will be av_strduped or added as a new key depending on flags).
* Passing a NULL value will cause an existing entry to be deleted.
* @return >= 0 on success otherwise an error code <0
*/

1
Externals/ffmpeg/include/libavutil/display.h vendored
View File

@ -22,6 +22,7 @@
#define AVUTIL_DISPLAY_H
#include <stdint.h>
#include "common.h"
/**
* The display transformation matrix specifies an affine transformation that

2
Externals/ffmpeg/include/libavutil/ffversion.h vendored
View File

@ -1,5 +1,5 @@
/* Automatically generated by version.sh, do not manually edit! */
#ifndef AVUTIL_FFVERSION_H
#define AVUTIL_FFVERSION_H
#define FFMPEG_VERSION "git-2015-12-28-4deafba"
#define FFMPEG_VERSION "3.2.4"
#endif /* AVUTIL_FFVERSION_H */

1
Externals/ffmpeg/include/libavutil/file.h vendored
View File

@ -62,6 +62,7 @@ void av_file_unmap(uint8_t *bufptr, size_t size);
* @note On very old libcs it is necessary to set a secure umask before
* calling this, av_tempfile() can't call umask itself as it is used in
* libraries and could interfere with the calling application.
* @deprecated as fd numbers cannot be passed saftely between libs on some platforms
*/
int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx);

48
Externals/ffmpeg/include/libavutil/frame.h vendored
View File

@ -1,5 +1,4 @@
/*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
@ -106,12 +105,22 @@ enum AVFrameSideDataType {
* @endcode
*/
AV_FRAME_DATA_SKIP_SAMPLES,
/**
* This side data must be associated with an audio frame and corresponds to
* enum AVAudioServiceType defined in avcodec.h.
*/
AV_FRAME_DATA_AUDIO_SERVICE_TYPE,
/**
* Mastering display metadata associated with a video frame. The payload is
* an AVMasteringDisplayMetadata type and contains information about the
* mastering display color volume.
*/
AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,
/**
* The GOP timecode in 25 bit timecode format. Data format is 64-bit integer.
* This is set on the first frame of a GOP that has a temporal reference of 0.
*/
AV_FRAME_DATA_GOP_TIMECODE
};
enum AVActiveFormatDescription {
@ -167,6 +176,10 @@ typedef struct AVFrameSideData {
* Similarly fields that are marked as to be only accessed by
* av_opt_ptr() can be reordered. This allows 2 forks to add fields
* without breaking compatibility with each other.
*
* Fields can be accessed through AVOptions, the name string used, matches the
* C structure field name for fields accessible through AVOptions. The AVClass
* for AVFrame can be obtained from avcodec_get_frame_class()
*/
typedef struct AVFrame {
#define AV_NUM_DATA_POINTERS 8
@ -178,6 +191,9 @@ typedef struct AVFrame {
* see avcodec_align_dimensions2(). Some filters and swscale can read
* up to 16 bytes beyond the planes, if these filters are to be used,
* then 16 extra bytes must be allocated.
*
* NOTE: Except for hwaccel formats, pointers not needed by the format
* MUST be set to NULL.
*/
uint8_t *data[AV_NUM_DATA_POINTERS];
@ -251,10 +267,14 @@ typedef struct AVFrame {
*/
int64_t pts;
#if FF_API_PKT_PTS
/**
* PTS copied from the AVPacket that was decoded to produce this frame.
* @deprecated use the pts field instead
*/
attribute_deprecated
int64_t pkt_pts;
#endif
/**
* DTS copied from the AVPacket that triggered returning this frame. (if frame threading isn't used)
@ -312,7 +332,7 @@ typedef struct AVFrame {
int palette_has_changed;
/**
* reordered opaque 64bit (generally an integer or a double precision float
* reordered opaque 64 bits (generally an integer or a double precision float
* PTS but can be anything).
* The user sets AVCodecContext.reordered_opaque to represent the input at
* that time,
@ -369,6 +389,7 @@ typedef struct AVFrame {
/**
* @defgroup lavu_frame_flags AV_FRAME_FLAGS
* @ingroup lavu_frame
* Flags describing additional frame properties.
*
* @{
@ -378,6 +399,10 @@ typedef struct AVFrame {
* The frame data may be corrupted, e.g. due to decoding errors.
*/
#define AV_FRAME_FLAG_CORRUPT (1 << 0)
/**
* A flag to mark the frames which need to be decoded, but shouldn't be output.
*/
#define AV_FRAME_FLAG_DISCARD (1 << 2)
/**
* @}
*/
@ -502,6 +527,11 @@ typedef struct AVFrame {
*/
AVBufferRef *qp_table_buf;
#endif
/**
* For hwaccel-format frames, this should be a reference to the
* AVHWFramesContext describing the frame.
*/
AVBufferRef *hw_frames_ctx;
} AVFrame;
/**
@ -573,6 +603,10 @@ void av_frame_free(AVFrame **frame);
* If src is not reference counted, new buffers are allocated and the data is
* copied.
*
* @warning: dst MUST have been either unreferenced with av_frame_unref(dst),
* or newly allocated with av_frame_alloc() before calling this
* function, or undefined behavior will occur.
*
* @return 0 on success, a negative AVERROR on error
*/
int av_frame_ref(AVFrame *dst, const AVFrame *src);
@ -593,6 +627,10 @@ void av_frame_unref(AVFrame *frame);
/**
* Move everything contained in src to dst and reset src.
*
* @warning: dst is not unreferenced, but directly overwritten without reading
* or deallocating its contents. Call av_frame_unref(dst) manually
* before calling this function to ensure that no memory is leaked.
*/
void av_frame_move_ref(AVFrame *dst, AVFrame *src);
@ -608,6 +646,10 @@ void av_frame_move_ref(AVFrame *dst, AVFrame *src);
* necessary, allocate and fill AVFrame.extended_data and AVFrame.extended_buf.
* For planar formats, one buffer will be allocated for each plane.
*
* @warning: if frame already has been allocated, calling this function will
* leak memory. In addition, undefined behavior can occur in certain
* cases.
*
* @param frame frame in which to store the new buffers.
* @param align required buffer size alignment
*

191
Externals/ffmpeg/include/libavutil/hash.h vendored
View File

@ -18,18 +18,108 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_hash_generic
* Generic hashing API
*/
#ifndef AVUTIL_HASH_H
#define AVUTIL_HASH_H
#include <stdint.h>
/**
* @defgroup lavu_hash Hash Functions
* @ingroup lavu_crypto
* Hash functions useful in multimedia.
*
* Hash functions are widely used in multimedia, from error checking and
* concealment to internal regression testing. libavutil has efficient
* implementations of a variety of hash functions that may be useful for
* FFmpeg and other multimedia applications.
*
* @{
*
* @defgroup lavu_hash_generic Generic Hashing API
* An abstraction layer for all hash functions supported by libavutil.
*
* If your application needs to support a wide range of different hash
* functions, then the Generic Hashing API is for you. It provides a generic,
* reusable API for @ref lavu_hash "all hash functions" implemented in libavutil.
* If you just need to use one particular hash function, use the @ref lavu_hash
* "individual hash" directly.
*
* @section Sample Code
*
* A basic template for using the Generic Hashing API follows:
*
* @code
* struct AVHashContext *ctx = NULL;
* const char *hash_name = NULL;
* uint8_t *output_buf = NULL;
*
* // Select from a string returned by av_hash_names()
* hash_name = ...;
*
* // Allocate a hash context
* ret = av_hash_alloc(&ctx, hash_name);
* if (ret < 0)
* return ret;
*
* // Initialize the hash context
* av_hash_init(ctx);
*
* // Update the hash context with data
* while (data_left) {
* av_hash_update(ctx, data, size);
* }
*
* // Now we have no more data, so it is time to finalize the hash and get the
* // output. But we need to first allocate an output buffer. Note that you can
* // use any memory allocation function, including malloc(), not just
* // av_malloc().
* output_buf = av_malloc(av_hash_get_size(ctx));
* if (!output_buf)
* return AVERROR(ENOMEM);
*
* // Finalize the hash context.
* // You can use any of the av_hash_final*() functions provided, for other
* // output formats. If you do so, be sure to adjust the memory allocation
* // above. See the function documentation below for the exact amount of extra
* // memory needed.
* av_hash_final(ctx, output_buffer);
*
* // Free the context
* av_hash_freep(&ctx);
* @endcode
*
* @section Hash Function-Specific Information
* If the CRC32 hash is selected, the #AV_CRC_32_IEEE polynomial will be
* used.
*
* If the Murmur3 hash is selected, the default seed will be used. See @ref
* lavu_murmur3_seedinfo "Murmur3" for more information.
*
* @{
*/
/**
* @example ffhash.c
* This example is a simple command line application that takes one or more
* arguments. It demonstrates a typical use of the hashing API with allocation,
* initialization, updating, and finalizing.
*/
struct AVHashContext;
/**
* Allocate a hash context for the algorithm specified by name.
*
* @return >= 0 for success, a negative error code for failure
* @note The context is not initialized, you must call av_hash_init().
*
* @note The context is not initialized after a call to this function; you must
* call av_hash_init() to do so.
*/
int av_hash_alloc(struct AVHashContext **ctx, const char *name);
@ -38,8 +128,8 @@ int av_hash_alloc(struct AVHashContext **ctx, const char *name);
*
* This function can be used to enumerate the algorithms.
*
* @param i index of the hash algorithm, starting from 0
* @return a pointer to a static string or NULL if i is out of range
* @param[in] i Index of the hash algorithm, starting from 0
* @return Pointer to a static string or `NULL` if `i` is out of range
*/
const char *av_hash_names(int i);
@ -49,64 +139,125 @@ const char *av_hash_names(int i);
const char *av_hash_get_name(const struct AVHashContext *ctx);
/**
* Maximum value that av_hash_get_size will currently return.
* Maximum value that av_hash_get_size() will currently return.
*
* You can use this if you absolutely want or need to use static allocation
* and are fine with not supporting hashes newly added to libavutil without
* recompilation.
* Note that you still need to check against av_hash_get_size, adding new hashes
* with larger sizes will not be considered an ABI change and should not cause
* your code to overflow a buffer.
* You can use this if you absolutely want or need to use static allocation for
* the output buffer and are fine with not supporting hashes newly added to
* libavutil without recompilation.
*
* @warning
* Adding new hashes with larger sizes, and increasing the macro while doing
* so, will not be considered an ABI change. To prevent your code from
* overflowing a buffer, either dynamically allocate the output buffer with
* av_hash_get_size(), or limit your use of the Hashing API to hashes that are
* already in FFmpeg during the time of compilation.
*/
#define AV_HASH_MAX_SIZE 64
/**
* Get the size of the resulting hash value in bytes.
*
* The pointer passed to av_hash_final have space for at least this many bytes.
* The maximum value this function will currently return is available as macro
* #AV_HASH_MAX_SIZE.
*
* @param[in] ctx Hash context
* @return Size of the hash value in bytes
*/
int av_hash_get_size(const struct AVHashContext *ctx);
/**
* Initialize or reset a hash context.
*
* @param[in,out] ctx Hash context
*/
void av_hash_init(struct AVHashContext *ctx);
/**
* Update a hash context with additional data.
*
* @param[in,out] ctx Hash context
* @param[in] src Data to be added to the hash context
* @param[in] len Size of the additional data
*/
void av_hash_update(struct AVHashContext *ctx, const uint8_t *src, int len);
/**
* Finalize a hash context and compute the actual hash value.
*
* The minimum size of `dst` buffer is given by av_hash_get_size() or
* #AV_HASH_MAX_SIZE. The use of the latter macro is discouraged.
*
* It is not safe to update or finalize a hash context again, if it has already
* been finalized.
*
* @param[in,out] ctx Hash context
* @param[out] dst Where the final hash value will be stored
*
* @see av_hash_final_bin() provides an alternative API
*/
void av_hash_final(struct AVHashContext *ctx, uint8_t *dst);
/**
* Finalize a hash context and compute the actual hash value.
* If size is smaller than the hash size, the hash is truncated;
* if size is larger, the buffer is padded with 0.
* Finalize a hash context and store the actual hash value in a buffer.
*
* It is not safe to update or finalize a hash context again, if it has already
* been finalized.
*
* If `size` is smaller than the hash size (given by av_hash_get_size()), the
* hash is truncated; if size is larger, the buffer is padded with 0.
*
* @param[in,out] ctx Hash context
* @param[out] dst Where the final hash value will be stored
* @param[in] size Number of bytes to write to `dst`
*/
void av_hash_final_bin(struct AVHashContext *ctx, uint8_t *dst, int size);
/**
* Finalize a hash context and compute the actual hash value as a hex string.
* Finalize a hash context and store the hexadecimal representation of the
* actual hash value as a string.
*
* It is not safe to update or finalize a hash context again, if it has already
* been finalized.
*
* The string is always 0-terminated.
* If size is smaller than 2 * hash_size + 1, the hex string is truncated.
*
* If `size` is smaller than `2 * hash_size + 1`, where `hash_size` is the
* value returned by av_hash_get_size(), the string will be truncated.
*
* @param[in,out] ctx Hash context
* @param[out] dst Where the string will be stored
* @param[in] size Maximum number of bytes to write to `dst`
*/
void av_hash_final_hex(struct AVHashContext *ctx, uint8_t *dst, int size);
/**
* Finalize a hash context and compute the actual hash value as a base64 string.
* Finalize a hash context and store the Base64 representation of the
* actual hash value as a string.
*
* It is not safe to update or finalize a hash context again, if it has already
* been finalized.
*
* The string is always 0-terminated.
* If size is smaller than AV_BASE64_SIZE(hash_size), the base64 string is
* truncated.
*
* If `size` is smaller than AV_BASE64_SIZE(hash_size), where `hash_size` is
* the value returned by av_hash_get_size(), the string will be truncated.
*
* @param[in,out] ctx Hash context
* @param[out] dst Where the final hash value will be stored
* @param[in] size Maximum number of bytes to write to `dst`
*/
void av_hash_final_b64(struct AVHashContext *ctx, uint8_t *dst, int size);
/**
* Free hash context.
* Free hash context and set hash context pointer to `NULL`.
*
* @param[in,out] ctx Pointer to hash context
*/
void av_hash_freep(struct AVHashContext **ctx);
/**
* @}
* @}
*/
#endif /* AVUTIL_HASH_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_H
#define AVUTIL_HWCONTEXT_H
#include "buffer.h"
#include "frame.h"
#include "log.h"
#include "pixfmt.h"
enum AVHWDeviceType {
AV_HWDEVICE_TYPE_VDPAU,
AV_HWDEVICE_TYPE_CUDA,
AV_HWDEVICE_TYPE_VAAPI,
AV_HWDEVICE_TYPE_DXVA2,
AV_HWDEVICE_TYPE_QSV,
};
typedef struct AVHWDeviceInternal AVHWDeviceInternal;
/**
* This struct aggregates all the (hardware/vendor-specific) "high-level" state,
* i.e. state that is not tied to a concrete processing configuration.
* E.g., in an API that supports hardware-accelerated encoding and decoding,
* this struct will (if possible) wrap the state that is common to both encoding
* and decoding and from which specific instances of encoders or decoders can be
* derived.
*
* This struct is reference-counted with the AVBuffer mechanism. The
* av_hwdevice_ctx_alloc() constructor yields a reference, whose data field
* points to the actual AVHWDeviceContext. Further objects derived from
* AVHWDeviceContext (such as AVHWFramesContext, describing a frame pool with
* specific properties) will hold an internal reference to it. After all the
* references are released, the AVHWDeviceContext itself will be freed,
* optionally invoking a user-specified callback for uninitializing the hardware
* state.
*/
typedef struct AVHWDeviceContext {
/**
* A class for logging. Set by av_hwdevice_ctx_alloc().
*/
const AVClass *av_class;
/**
* Private data used internally by libavutil. Must not be accessed in any
* way by the caller.
*/
AVHWDeviceInternal *internal;
/**
* This field identifies the underlying API used for hardware access.
*
* This field is set when this struct is allocated and never changed
* afterwards.
*/
enum AVHWDeviceType type;
/**
* The format-specific data, allocated and freed by libavutil along with
* this context.
*
* Should be cast by the user to the format-specific context defined in the
* corresponding header (hwcontext_*.h) and filled as described in the
* documentation before calling av_hwdevice_ctx_init().
*
* After calling av_hwdevice_ctx_init() this struct should not be modified
* by the caller.
*/
void *hwctx;
/**
* This field may be set by the caller before calling av_hwdevice_ctx_init().
*
* If non-NULL, this callback will be called when the last reference to
* this context is unreferenced, immediately before it is freed.
*
* @note when other objects (e.g an AVHWFramesContext) are derived from this
* struct, this callback will be invoked after all such child objects
* are fully uninitialized and their respective destructors invoked.
*/
void (*free)(struct AVHWDeviceContext *ctx);
/**
* Arbitrary user data, to be used e.g. by the free() callback.
*/
void *user_opaque;
} AVHWDeviceContext;
typedef struct AVHWFramesInternal AVHWFramesInternal;
/**
* This struct describes a set or pool of "hardware" frames (i.e. those with
* data not located in normal system memory). All the frames in the pool are
* assumed to be allocated in the same way and interchangeable.
*
* This struct is reference-counted with the AVBuffer mechanism and tied to a
* given AVHWDeviceContext instance. The av_hwframe_ctx_alloc() constructor
* yields a reference, whose data field points to the actual AVHWFramesContext
* struct.
*/
typedef struct AVHWFramesContext {
/**
* A class for logging.
*/
const AVClass *av_class;
/**
* Private data used internally by libavutil. Must not be accessed in any
* way by the caller.
*/
AVHWFramesInternal *internal;
/**
* A reference to the parent AVHWDeviceContext. This reference is owned and
* managed by the enclosing AVHWFramesContext, but the caller may derive
* additional references from it.
*/
AVBufferRef *device_ref;
/**
* The parent AVHWDeviceContext. This is simply a pointer to
* device_ref->data provided for convenience.
*
* Set by libavutil in av_hwframe_ctx_init().
*/
AVHWDeviceContext *device_ctx;
/**
* The format-specific data, allocated and freed automatically along with
* this context.
*
* Should be cast by the user to the format-specific context defined in the
* corresponding header (hwframe_*.h) and filled as described in the
* documentation before calling av_hwframe_ctx_init().
*
* After any frames using this context are created, the contents of this
* struct should not be modified by the caller.
*/
void *hwctx;
/**
* This field may be set by the caller before calling av_hwframe_ctx_init().
*
* If non-NULL, this callback will be called when the last reference to
* this context is unreferenced, immediately before it is freed.
*/
void (*free)(struct AVHWFramesContext *ctx);
/**
* Arbitrary user data, to be used e.g. by the free() callback.
*/
void *user_opaque;
/**
* A pool from which the frames are allocated by av_hwframe_get_buffer().
* This field may be set by the caller before calling av_hwframe_ctx_init().
* The buffers returned by calling av_buffer_pool_get() on this pool must
* have the properties described in the documentation in the corresponding hw
* type's header (hwcontext_*.h). The pool will be freed strictly before
* this struct's free() callback is invoked.
*
* This field may be NULL, then libavutil will attempt to allocate a pool
* internally. Note that certain device types enforce pools allocated at
* fixed size (frame count), which cannot be extended dynamically. In such a
* case, initial_pool_size must be set appropriately.
*/
AVBufferPool *pool;
/**
* Initial size of the frame pool. If a device type does not support
* dynamically resizing the pool, then this is also the maximum pool size.
*
* May be set by the caller before calling av_hwframe_ctx_init(). Must be
* set if pool is NULL and the device type does not support dynamic pools.
*/
int initial_pool_size;
/**
* The pixel format identifying the underlying HW surface type.
*
* Must be a hwaccel format, i.e. the corresponding descriptor must have the
* AV_PIX_FMT_FLAG_HWACCEL flag set.
*
* Must be set by the user before calling av_hwframe_ctx_init().
*/
enum AVPixelFormat format;
/**
* The pixel format identifying the actual data layout of the hardware
* frames.
*
* Must be set by the caller before calling av_hwframe_ctx_init().
*
* @note when the underlying API does not provide the exact data layout, but
* only the colorspace/bit depth, this field should be set to the fully
* planar version of that format (e.g. for 8-bit 420 YUV it should be
* AV_PIX_FMT_YUV420P, not AV_PIX_FMT_NV12 or anything else).
*/
enum AVPixelFormat sw_format;
/**
* The allocated dimensions of the frames in this pool.
*
* Must be set by the user before calling av_hwframe_ctx_init().
*/
int width, height;
} AVHWFramesContext;
/**
* Allocate an AVHWDeviceContext for a given pixel format.
*
* @param format a hwaccel pixel format (AV_PIX_FMT_FLAG_HWACCEL must be set
* on the corresponding format descriptor)
* @return a reference to the newly created AVHWDeviceContext on success or NULL
* on failure.
*/
AVBufferRef *av_hwdevice_ctx_alloc(enum AVHWDeviceType type);
/**
* Finalize the device context before use. This function must be called after
* the context is filled with all the required information and before it is
* used in any way.
*
* @param ref a reference to the AVHWDeviceContext
* @return 0 on success, a negative AVERROR code on failure
*/
int av_hwdevice_ctx_init(AVBufferRef *ref);
/**
* Open a device of the specified type and create an AVHWDeviceContext for it.
*
* This is a convenience function intended to cover the simple cases. Callers
* who need to fine-tune device creation/management should open the device
* manually and then wrap it in an AVHWDeviceContext using
* av_hwdevice_ctx_alloc()/av_hwdevice_ctx_init().
*
* The returned context is already initialized and ready for use, the caller
* should not call av_hwdevice_ctx_init() on it. The user_opaque/free fields of
* the created AVHWDeviceContext are set by this function and should not be
* touched by the caller.
*
* @param device_ctx On success, a reference to the newly-created device context
* will be written here. The reference is owned by the caller
* and must be released with av_buffer_unref() when no longer
* needed. On failure, NULL will be written to this pointer.
* @param type The type of the device to create.
* @param device A type-specific string identifying the device to open.
* @param opts A dictionary of additional (type-specific) options to use in
* opening the device. The dictionary remains owned by the caller.
* @param flags currently unused
*
* @return 0 on success, a negative AVERROR code on failure.
*/
int av_hwdevice_ctx_create(AVBufferRef **device_ctx, enum AVHWDeviceType type,
const char *device, AVDictionary *opts, int flags);
/**
* Allocate an AVHWFramesContext tied to a given device context.
*
* @param device_ctx a reference to a AVHWDeviceContext. This function will make
* a new reference for internal use, the one passed to the
* function remains owned by the caller.
* @return a reference to the newly created AVHWFramesContext on success or NULL
* on failure.
*/
AVBufferRef *av_hwframe_ctx_alloc(AVBufferRef *device_ctx);
/**
* Finalize the context before use. This function must be called after the
* context is filled with all the required information and before it is attached
* to any frames.
*
* @param ref a reference to the AVHWFramesContext
* @return 0 on success, a negative AVERROR code on failure
*/
int av_hwframe_ctx_init(AVBufferRef *ref);
/**
* Allocate a new frame attached to the given AVHWFramesContext.
*
* @param hwframe_ctx a reference to an AVHWFramesContext
* @param frame an empty (freshly allocated or unreffed) frame to be filled with
* newly allocated buffers.
* @param flags currently unused, should be set to zero
* @return 0 on success, a negative AVERROR code on failure
*/
int av_hwframe_get_buffer(AVBufferRef *hwframe_ctx, AVFrame *frame, int flags);
/**
* Copy data to or from a hw surface. At least one of dst/src must have an
* AVHWFramesContext attached.
*
* If src has an AVHWFramesContext attached, then the format of dst (if set)
* must use one of the formats returned by av_hwframe_transfer_get_formats(src,
* AV_HWFRAME_TRANSFER_DIRECTION_FROM).
* If dst has an AVHWFramesContext attached, then the format of src must use one
* of the formats returned by av_hwframe_transfer_get_formats(dst,
* AV_HWFRAME_TRANSFER_DIRECTION_TO)
*
* dst may be "clean" (i.e. with data/buf pointers unset), in which case the
* data buffers will be allocated by this function using av_frame_get_buffer().
* If dst->format is set, then this format will be used, otherwise (when
* dst->format is AV_PIX_FMT_NONE) the first acceptable format will be chosen.
*
* @param dst the destination frame. dst is not touched on failure.
* @param src the source frame.
* @param flags currently unused, should be set to zero
* @return 0 on success, a negative AVERROR error code on failure.
*/
int av_hwframe_transfer_data(AVFrame *dst, const AVFrame *src, int flags);
enum AVHWFrameTransferDirection {
/**
* Transfer the data from the queried hw frame.
*/
AV_HWFRAME_TRANSFER_DIRECTION_FROM,
/**
* Transfer the data to the queried hw frame.
*/
AV_HWFRAME_TRANSFER_DIRECTION_TO,
};
/**
* Get a list of possible source or target formats usable in
* av_hwframe_transfer_data().
*
* @param hwframe_ctx the frame context to obtain the information for
* @param dir the direction of the transfer
* @param formats the pointer to the output format list will be written here.
* The list is terminated with AV_PIX_FMT_NONE and must be freed
* by the caller when no longer needed using av_free().
* If this function returns successfully, the format list will
* have at least one item (not counting the terminator).
* On failure, the contents of this pointer are unspecified.
* @param flags currently unused, should be set to zero
* @return 0 on success, a negative AVERROR code on failure.
*/
int av_hwframe_transfer_get_formats(AVBufferRef *hwframe_ctx,
enum AVHWFrameTransferDirection dir,
enum AVPixelFormat **formats, int flags);
/**
* This struct describes the constraints on hardware frames attached to
* a given device with a hardware-specific configuration. This is returned
* by av_hwdevice_get_hwframe_constraints() and must be freed by
* av_hwframe_constraints_free() after use.
*/
typedef struct AVHWFramesConstraints {
/**
* A list of possible values for format in the hw_frames_ctx,
* terminated by AV_PIX_FMT_NONE. This member will always be filled.
*/
enum AVPixelFormat *valid_hw_formats;
/**
* A list of possible values for sw_format in the hw_frames_ctx,
* terminated by AV_PIX_FMT_NONE. Can be NULL if this information is
* not known.
*/
enum AVPixelFormat *valid_sw_formats;
/**
* The minimum size of frames in this hw_frames_ctx.
* (Zero if not known.)
*/
int min_width;
int min_height;
/**
* The maximum size of frames in this hw_frames_ctx.
* (INT_MAX if not known / no limit.)
*/
int max_width;
int max_height;
} AVHWFramesConstraints;
/**
* Allocate a HW-specific configuration structure for a given HW device.
* After use, the user must free all members as required by the specific
* hardware structure being used, then free the structure itself with
* av_free().
*
* @param device_ctx a reference to the associated AVHWDeviceContext.
* @return The newly created HW-specific configuration structure on
* success or NULL on failure.
*/
void *av_hwdevice_hwconfig_alloc(AVBufferRef *device_ctx);
/**
* Get the constraints on HW frames given a device and the HW-specific
* configuration to be used with that device. If no HW-specific
* configuration is provided, returns the maximum possible capabilities
* of the device.
*
* @param device_ctx a reference to the associated AVHWDeviceContext.
* @param hwconfig a filled HW-specific configuration structure, or NULL
* to return the maximum possible capabilities of the device.
* @return AVHWFramesConstraints structure describing the constraints
* on the device, or NULL if not available.
*/
AVHWFramesConstraints *av_hwdevice_get_hwframe_constraints(AVBufferRef *ref,
const void *hwconfig);
/**
* Free an AVHWFrameConstraints structure.
*
* @param constraints The (filled or unfilled) AVHWFrameConstraints structure.
*/
void av_hwframe_constraints_free(AVHWFramesConstraints **constraints);
#endif /* AVUTIL_HWCONTEXT_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_CUDA_H
#define AVUTIL_HWCONTEXT_CUDA_H
#include <cuda.h>
#include "pixfmt.h"
/**
* @file
* An API-specific header for AV_HWDEVICE_TYPE_CUDA.
*
* This API supports dynamic frame pools. AVHWFramesContext.pool must return
* AVBufferRefs whose data pointer is a CUdeviceptr.
*/
/**
* This struct is allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVCUDADeviceContext {
CUcontext cuda_ctx;
} AVCUDADeviceContext;
/**
* AVHWFramesContext.hwctx is currently not used
*/
#endif /* AVUTIL_HWCONTEXT_CUDA_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_DXVA2_H
#define AVUTIL_HWCONTEXT_DXVA2_H
/**
* @file
* An API-specific header for AV_HWDEVICE_TYPE_DXVA2.
*
* Only fixed-size pools are supported.
*
* For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
* with the data pointer set to a pointer to IDirect3DSurface9.
*/
#include <d3d9.h>
#include <dxva2api.h>
/**
* This struct is allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVDXVA2DeviceContext {
IDirect3DDeviceManager9 *devmgr;
} AVDXVA2DeviceContext;
/**
* This struct is allocated as AVHWFramesContext.hwctx
*/
typedef struct AVDXVA2FramesContext {
/**
* The surface type (e.g. DXVA2_VideoProcessorRenderTarget or
* DXVA2_VideoDecoderRenderTarget). Must be set by the caller.
*/
DWORD surface_type;
/**
* The surface pool. When an external pool is not provided by the caller,
* this will be managed (allocated and filled on init, freed on uninit) by
* libavutil.
*/
IDirect3DSurface9 **surfaces;
int nb_surfaces;
/**
* Certain drivers require the decoder to be destroyed before the surfaces.
* To allow internally managed pools to work properly in such cases, this
* field is provided.
*
* If it is non-NULL, libavutil will call IDirectXVideoDecoder_Release() on
* it just before the internal surface pool is freed.
*/
IDirectXVideoDecoder *decoder_to_release;
} AVDXVA2FramesContext;
#endif /* AVUTIL_HWCONTEXT_DXVA2_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_QSV_H
#define AVUTIL_HWCONTEXT_QSV_H
#include <mfx/mfxvideo.h>
/**
* @file
* An API-specific header for AV_HWDEVICE_TYPE_QSV.
*
* This API does not support dynamic frame pools. AVHWFramesContext.pool must
* contain AVBufferRefs whose data pointer points to an mfxFrameSurface1 struct.
*/
/**
* This struct is allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVQSVDeviceContext {
mfxSession session;
} AVQSVDeviceContext;
/**
* This struct is allocated as AVHWFramesContext.hwctx
*/
typedef struct AVQSVFramesContext {
mfxFrameSurface1 *surfaces;
int nb_surfaces;
/**
* A combination of MFX_MEMTYPE_* describing the frame pool.
*/
int frame_type;
} AVQSVFramesContext;
#endif /* AVUTIL_HWCONTEXT_QSV_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_VAAPI_H
#define AVUTIL_HWCONTEXT_VAAPI_H
#include <va/va.h>
/**
* @file
* API-specific header for AV_HWDEVICE_TYPE_VAAPI.
*
* Dynamic frame pools are supported, but note that any pool used as a render
* target is required to be of fixed size in order to be be usable as an
* argument to vaCreateContext().
*
* For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
* with the data pointer set to a VASurfaceID.
*/
/**
* VAAPI connection details.
*
* Allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVVAAPIDeviceContext {
/**
* The VADisplay handle, to be filled by the user.
*/
VADisplay display;
} AVVAAPIDeviceContext;
/**
* VAAPI-specific data associated with a frame pool.
*
* Allocated as AVHWFramesContext.hwctx.
*/
typedef struct AVVAAPIFramesContext {
/**
* Set by the user to apply surface attributes to all surfaces in
* the frame pool. If null, default settings are used.
*/
VASurfaceAttrib *attributes;
int nb_attributes;
/**
* The surfaces IDs of all surfaces in the pool after creation.
* Only valid if AVHWFramesContext.initial_pool_size was positive.
* These are intended to be used as the render_targets arguments to
* vaCreateContext().
*/
VASurfaceID *surface_ids;
int nb_surfaces;
} AVVAAPIFramesContext;
/**
* VAAPI hardware pipeline configuration details.
*
* Allocated with av_hwdevice_hwconfig_alloc().
*/
typedef struct AVVAAPIHWConfig {
/**
* ID of a VAAPI pipeline configuration.
*/
VAConfigID config_id;
} AVVAAPIHWConfig;
#endif /* AVUTIL_HWCONTEXT_VAAPI_H */

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Externals/ffmpeg/include/libavutil/hwcontext_vdpau.h vendored Normal file
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@ -0,0 +1,44 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_VDPAU_H
#define AVUTIL_HWCONTEXT_VDPAU_H
#include <vdpau/vdpau.h>
/**
* @file
* An API-specific header for AV_HWDEVICE_TYPE_VDPAU.
*
* This API supports dynamic frame pools. AVHWFramesContext.pool must return
* AVBufferRefs whose data pointer is a VdpVideoSurface.
*/
/**
* This struct is allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVVDPAUDeviceContext {
VdpDevice device;
VdpGetProcAddress *get_proc_address;
} AVVDPAUDeviceContext;
/**
* AVHWFramesContext.hwctx is currently not used
*/
#endif /* AVUTIL_HWCONTEXT_VDPAU_H */

14
Externals/ffmpeg/include/libavutil/imgutils.h vendored
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@ -191,6 +191,20 @@ int av_image_copy_to_buffer(uint8_t *dst, int dst_size,
*/
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
/**
* Check if the given dimension of an image is valid, meaning that all
* bytes of the image can be addressed with a signed int.
*
* @param w the width of the picture
* @param h the height of the picture
* @param max_pixels the maximum number of pixels the user wants to accept
* @param pix_fmt the pixel format, can be AV_PIX_FMT_NONE if unknown.
* @param log_offset the offset to sum to the log level for logging with log_ctx
* @param log_ctx the parent logging context, it may be NULL
* @return >= 0 if valid, a negative error code otherwise
*/
int av_image_check_size2(unsigned int w, unsigned int h, int64_t max_pixels, enum AVPixelFormat pix_fmt, int log_offset, void *log_ctx);
/**
* Check if the given sample aspect ratio of an image is valid.
*

19
Externals/ffmpeg/include/libavutil/log.h vendored
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@ -44,7 +44,7 @@ typedef enum {
AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
AV_CLASS_CATEGORY_DEVICE_OUTPUT,
AV_CLASS_CATEGORY_DEVICE_INPUT,
AV_CLASS_CATEGORY_NB, ///< not part of ABI/API
AV_CLASS_CATEGORY_NB ///< not part of ABI/API
}AVClassCategory;
#define AV_IS_INPUT_DEVICE(category) \
@ -317,6 +317,23 @@ AVClassCategory av_default_get_category(void *ptr);
void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
char *line, int line_size, int *print_prefix);
/**
* Format a line of log the same way as the default callback.
* @param line buffer to receive the formatted line;
* may be NULL if line_size is 0
* @param line_size size of the buffer; at most line_size-1 characters will
* be written to the buffer, plus one null terminator
* @param print_prefix used to store whether the prefix must be printed;
* must point to a persistent integer initially set to 1
* @return Returns a negative value if an error occurred, otherwise returns
* the number of characters that would have been written for a
* sufficiently large buffer, not including the terminating null
* character. If the return value is not less than line_size, it means
* that the log message was truncated to fit the buffer.
*/
int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
char *line, int line_size, int *print_prefix);
#if FF_API_DLOG
/**
* av_dlog macros

89
Externals/ffmpeg/include/libavutil/mastering_display_metadata.h vendored Normal file
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@ -0,0 +1,89 @@
/**
* Copyright (c) 2016 Neil Birkbeck <neil.birkbeck@gmail.com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_MASTERING_DISPLAY_METADATA_H
#define AVUTIL_MASTERING_DISPLAY_METADATA_H
#include "frame.h"
#include "rational.h"
/**
* Mastering display metadata capable of representing the color volume of
* the display used to master the content (SMPTE 2086:2014).
*
* To be used as payload of a AVFrameSideData or AVPacketSideData with the
* appropriate type.
*
* @note The struct should be allocated with av_mastering_display_metadata_alloc()
* and its size is not a part of the public ABI.
*/
typedef struct AVMasteringDisplayMetadata {
/**
* CIE 1931 xy chromaticity coords of color primaries (r, g, b order).
*/
AVRational display_primaries[3][2];
/**
* CIE 1931 xy chromaticity coords of white point.
*/
AVRational white_point[2];
/**
* Min luminance of mastering display (cd/m^2).
*/
AVRational min_luminance;
/**
* Max luminance of mastering display (cd/m^2).
*/
AVRational max_luminance;
/**
* Flag indicating whether the display primaries (and white point) are set.
*/
int has_primaries;
/**
* Flag indicating whether the luminance (min_ and max_) have been set.
*/
int has_luminance;
} AVMasteringDisplayMetadata;
/**
* Allocate an AVMasteringDisplayMetadata structure and set its fields to
* default values. The resulting struct can be freed using av_freep().
*
* @return An AVMasteringDisplayMetadata filled with default values or NULL
* on failure.
*/
AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void);
/**
* Allocate a complete AVMasteringDisplayMetadata and add it to the frame.
*
* @param frame The frame which side data is added to.
*
* @return The AVMasteringDisplayMetadata structure to be filled by caller.
*/
AVMasteringDisplayMetadata *av_mastering_display_metadata_create_side_data(AVFrame *frame);
#endif /* AVUTIL_MASTERING_DISPLAY_METADATA_H */

143
Externals/ffmpeg/include/libavutil/mathematics.h vendored
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@ -18,6 +18,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @addtogroup lavu_math
* Mathematical utilities for working with timestamp and time base.
*/
#ifndef AVUTIL_MATHEMATICS_H
#define AVUTIL_MATHEMATICS_H
@ -63,84 +69,155 @@
/**
* @addtogroup lavu_math
*
* @{
*/
/**
* Rounding methods.
*/
enum AVRounding {
AV_ROUND_ZERO = 0, ///< Round toward zero.
AV_ROUND_INF = 1, ///< Round away from zero.
AV_ROUND_DOWN = 2, ///< Round toward -infinity.
AV_ROUND_UP = 3, ///< Round toward +infinity.
AV_ROUND_NEAR_INF = 5, ///< Round to nearest and halfway cases away from zero.
AV_ROUND_PASS_MINMAX = 8192, ///< Flag to pass INT64_MIN/MAX through instead of rescaling, this avoids special cases for AV_NOPTS_VALUE
/**
* Flag telling rescaling functions to pass `INT64_MIN`/`MAX` through
* unchanged, avoiding special cases for #AV_NOPTS_VALUE.
*
* Unlike other values of the enumeration AVRounding, this value is a
* bitmask that must be used in conjunction with another value of the
* enumeration through a bitwise OR, in order to set behavior for normal
* cases.
*
* @code{.c}
* av_rescale_rnd(3, 1, 2, AV_ROUND_UP | AV_ROUND_PASS_MINMAX);
* // Rescaling 3:
* // Calculating 3 * 1 / 2
* // 3 / 2 is rounded up to 2
* // => 2
*
* av_rescale_rnd(AV_NOPTS_VALUE, 1, 2, AV_ROUND_UP | AV_ROUND_PASS_MINMAX);
* // Rescaling AV_NOPTS_VALUE:
* // AV_NOPTS_VALUE == INT64_MIN
* // AV_NOPTS_VALUE is passed through
* // => AV_NOPTS_VALUE
* @endcode
*/
AV_ROUND_PASS_MINMAX = 8192,
};
/**
* Compute the greatest common divisor of a and b.
* Compute the greatest common divisor of two integer operands.
*
* @return gcd of a and b up to sign; if a >= 0 and b >= 0, return value is >= 0;
* @param a,b Operands
* @return GCD of a and b up to sign; if a >= 0 and b >= 0, return value is >= 0;
* if a == 0 and b == 0, returns 0.
*/
int64_t av_const av_gcd(int64_t a, int64_t b);
/**
* Rescale a 64-bit integer with rounding to nearest.
* A simple a*b/c isn't possible as it can overflow.
*
* The operation is mathematically equivalent to `a * b / c`, but writing that
* directly can overflow.
*
* This function is equivalent to av_rescale_rnd() with #AV_ROUND_NEAR_INF.
*
* @see av_rescale_rnd(), av_rescale_q(), av_rescale_q_rnd()
*/
int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const;
/**
* Rescale a 64-bit integer with specified rounding.
* A simple a*b/c isn't possible as it can overflow.
*
* @return rescaled value a, or if AV_ROUND_PASS_MINMAX is set and a is
* INT64_MIN or INT64_MAX then a is passed through unchanged.
* The operation is mathematically equivalent to `a * b / c`, but writing that
* directly can overflow, and does not support different rounding methods.
*
* @see av_rescale(), av_rescale_q(), av_rescale_q_rnd()
*/
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_const;
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd) av_const;
/**
* Rescale a 64-bit integer by 2 rational numbers.
*
* The operation is mathematically equivalent to `a * bq / cq`.
*
* This function is equivalent to av_rescale_q_rnd() with #AV_ROUND_NEAR_INF.
*
* @see av_rescale(), av_rescale_rnd(), av_rescale_q_rnd()
*/
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const;
/**
* Rescale a 64-bit integer by 2 rational numbers with specified rounding.
*
* @return rescaled value a, or if AV_ROUND_PASS_MINMAX is set and a is
* INT64_MIN or INT64_MAX then a is passed through unchanged.
* The operation is mathematically equivalent to `a * bq / cq`.
*
* @see av_rescale(), av_rescale_rnd(), av_rescale_q()
*/
int64_t av_rescale_q_rnd(int64_t a, AVRational bq, AVRational cq,
enum AVRounding) av_const;
enum AVRounding rnd) av_const;
/**
* Compare 2 timestamps each in its own timebases.
* The result of the function is undefined if one of the timestamps
* is outside the int64_t range when represented in the others timebase.
* @return -1 if ts_a is before ts_b, 1 if ts_a is after ts_b or 0 if they represent the same position
* Compare two timestamps each in its own time base.
*
* @return One of the following values:
* - -1 if `ts_a` is before `ts_b`
* - 1 if `ts_a` is after `ts_b`
* - 0 if they represent the same position
*
* @warning
* The result of the function is undefined if one of the timestamps is outside
* the `int64_t` range when represented in the other's timebase.
*/
int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b);
/**
* Compare 2 integers modulo mod.
* That is we compare integers a and b for which only the least
* significant log2(mod) bits are known.
* Compare the remainders of two integer operands divided by a common divisor.
*
* @param mod must be a power of 2
* @return a negative value if a is smaller than b
* a positive value if a is greater than b
* 0 if a equals b
* In other words, compare the least significant `log2(mod)` bits of integers
* `a` and `b`.
*
* @code{.c}
* av_compare_mod(0x11, 0x02, 0x10) < 0 // since 0x11 % 0x10 (0x1) < 0x02 % 0x10 (0x2)
* av_compare_mod(0x11, 0x02, 0x20) > 0 // since 0x11 % 0x20 (0x11) > 0x02 % 0x20 (0x02)
* @endcode
*
* @param a,b Operands
* @param mod Divisor; must be a power of 2
* @return
* - a negative value if `a % mod < b % mod`
* - a positive value if `a % mod > b % mod`
* - zero if `a % mod == b % mod`
*/
int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod);
/**
* Rescale a timestamp while preserving known durations.
*
* @param in_ts Input timestamp
* @param in_tb Input timebase
* @param fs_tb Duration and *last timebase
* @param duration duration till the next call
* @param out_tb Output timebase
* This function is designed to be called per audio packet to scale the input
* timestamp to a different time base. Compared to a simple av_rescale_q()
* call, this function is robust against possible inconsistent frame durations.
*
* The `last` parameter is a state variable that must be preserved for all
* subsequent calls for the same stream. For the first call, `*last` should be
* initialized to #AV_NOPTS_VALUE.
*
* @param[in] in_tb Input time base
* @param[in] in_ts Input timestamp
* @param[in] fs_tb Duration time base; typically this is finer-grained
* (greater) than `in_tb` and `out_tb`
* @param[in] duration Duration till the next call to this function (i.e.
* duration of the current packet/frame)
* @param[in,out] last Pointer to a timestamp expressed in terms of
* `fs_tb`, acting as a state variable
* @param[in] out_tb Output timebase
* @return Timestamp expressed in terms of `out_tb`
*
* @note In the context of this function, "duration" is in term of samples, not
* seconds.
*/
int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts, AVRational fs_tb, int duration, int64_t *last, AVRational out_tb);
@ -150,15 +227,15 @@ int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts, AVRational fs_tb, int
* This function guarantees that when the same value is repeatly added that
* no accumulation of rounding errors occurs.
*
* @param ts Input timestamp
* @param ts_tb Input timestamp timebase
* @param inc value to add to ts
* @param inc_tb inc timebase
* @param[in] ts Input timestamp
* @param[in] ts_tb Input timestamp time base
* @param[in] inc Value to be added
* @param[in] inc_tb Time base of `inc`
*/
int64_t av_add_stable(AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t inc);
/**
/**
* @}
*/

10
Externals/ffmpeg/include/libavutil/md5.h vendored
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@ -18,6 +18,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_md5
* Public header for MD5 hash function implementation.
*/
#ifndef AVUTIL_MD5_H
#define AVUTIL_MD5_H
@ -28,7 +34,9 @@
/**
* @defgroup lavu_md5 MD5
* @ingroup lavu_crypto
* @ingroup lavu_hash
* MD5 hash function implementation.
*
* @{
*/

752
Externals/ffmpeg/include/libavutil/mem.h vendored
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@ -20,7 +20,8 @@
/**
* @file
* memory handling functions
* @ingroup lavu_mem
* Memory handling functions
*/
#ifndef AVUTIL_MEM_H
@ -35,9 +36,56 @@
/**
* @addtogroup lavu_mem
* Utilities for manipulating memory.
*
* FFmpeg has several applications of memory that are not required of a typical
* program. For example, the computing-heavy components like video decoding and
* encoding can be sped up significantly through the use of aligned memory.
*
* However, for each of FFmpeg's applications of memory, there might not be a
* recognized or standardized API for that specific use. Memory alignment, for
* instance, varies wildly depending on operating systems, architectures, and
* compilers. Hence, this component of @ref libavutil is created to make
* dealing with memory consistently possible on all platforms.
*
* @{
*
* @defgroup lavu_mem_macros Alignment Macros
* Helper macros for declaring aligned variables.
* @{
*/
/**
* @def DECLARE_ALIGNED(n,t,v)
* Declare a variable that is aligned in memory.
*
* @code{.c}
* DECLARE_ALIGNED(16, uint16_t, aligned_int) = 42;
* DECLARE_ALIGNED(32, uint8_t, aligned_array)[128];
*
* // The default-alignment equivalent would be
* uint16_t aligned_int = 42;
* uint8_t aligned_array[128];
* @endcode
*
* @param n Minimum alignment in bytes
* @param t Type of the variable (or array element)
* @param v Name of the variable
*/
/**
* @def DECLARE_ASM_CONST(n,t,v)
* Declare a static constant aligned variable appropriate for use in inline
* assembly code.
*
* @code{.c}
* DECLARE_ASM_CONST(16, uint64_t, pw_08) = UINT64_C(0x0008000800080008);
* @endcode
*
* @param n Minimum alignment in bytes
* @param t Type of the variable (or array element)
* @param v Name of the variable
*/
#if defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1110 || defined(__SUNPRO_C)
#define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
@ -60,12 +108,47 @@
#define DECLARE_ASM_CONST(n,t,v) static const t v
#endif
/**
* @}
*/
/**
* @defgroup lavu_mem_attrs Function Attributes
* Function attributes applicable to memory handling functions.
*
* These function attributes can help compilers emit more useful warnings, or
* generate better code.
* @{
*/
/**
* @def av_malloc_attrib
* Function attribute denoting a malloc-like function.
*
* @see <a href="https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-g_t_0040code_007bmalloc_007d-function-attribute-3251">Function attribute `malloc` in GCC's documentation</a>
*/
#if AV_GCC_VERSION_AT_LEAST(3,1)
#define av_malloc_attrib __attribute__((__malloc__))
#else
#define av_malloc_attrib
#endif
/**
* @def av_alloc_size(...)
* Function attribute used on a function that allocates memory, whose size is
* given by the specified parameter(s).
*
* @code{.c}
* void *av_malloc(size_t size) av_alloc_size(1);
* void *av_calloc(size_t nmemb, size_t size) av_alloc_size(1, 2);
* @endcode
*
* @param ... One or two parameter indexes, separated by a comma
*
* @see <a href="https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-g_t_0040code_007balloc_005fsize_007d-function-attribute-3220">Function attribute `alloc_size` in GCC's documentation</a>
*/
#if AV_GCC_VERSION_AT_LEAST(4,3)
#define av_alloc_size(...) __attribute__((alloc_size(__VA_ARGS__)))
#else
@ -73,21 +156,51 @@
#endif
/**
* Allocate a block of size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU).
* @param size Size in bytes for the memory block to be allocated.
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @}
*/
/**
* @defgroup lavu_mem_funcs Heap Management
* Functions responsible for allocating, freeing, and copying memory.
*
* All memory allocation functions have a built-in upper limit of `INT_MAX`
* bytes. This may be changed with av_max_alloc(), although exercise extreme
* caution when doing so.
*
* @{
*/
/**
* Allocate a memory block with alignment suitable for all memory accesses
* (including vectors if available on the CPU).
*
* @param size Size in bytes for the memory block to be allocated
* @return Pointer to the allocated block, or `NULL` if the block cannot
* be allocated
* @see av_mallocz()
*/
void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
/**
* Allocate a block of size * nmemb bytes with av_malloc().
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* Allocate a memory block with alignment suitable for all memory accesses
* (including vectors if available on the CPU) and zero all the bytes of the
* block.
*
* @param size Size in bytes for the memory block to be allocated
* @return Pointer to the allocated block, or `NULL` if it cannot be allocated
* @see av_malloc()
*/
void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
/**
* Allocate a memory block for an array with av_malloc().
*
* The allocated memory will have size `size * nmemb` bytes.
*
* @param nmemb Number of element
* @param size Size of a single element
* @return Pointer to the allocated block, or `NULL` if the block cannot
* be allocated
* @see av_malloc()
*/
av_alloc_size(1, 2) static inline void *av_malloc_array(size_t nmemb, size_t size)
@ -98,131 +211,15 @@ av_alloc_size(1, 2) static inline void *av_malloc_array(size_t nmemb, size_t siz
}
/**
* Allocate or reallocate a block of memory.
* If ptr is NULL and size > 0, allocate a new block. If
* size is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a memory block already allocated with
* av_realloc() or NULL.
* @param size Size in bytes of the memory block to be allocated or
* reallocated.
* @return Pointer to a newly-reallocated block or NULL if the block
* cannot be reallocated or the function is used to free the memory block.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_realloc(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
* @see av_fast_realloc()
*/
void *av_realloc(void *ptr, size_t size) av_alloc_size(2);
/**
* Allocate or reallocate a block of memory.
* This function does the same thing as av_realloc, except:
* - It takes two arguments and checks the result of the multiplication for
* integer overflow.
* - It frees the input block in case of failure, thus avoiding the memory
* leak with the classic "buf = realloc(buf); if (!buf) return -1;".
*/
void *av_realloc_f(void *ptr, size_t nelem, size_t elsize);
/**
* Allocate or reallocate a block of memory.
* If *ptr is NULL and size > 0, allocate a new block. If
* size is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a pointer to a memory block already allocated
* with av_realloc(), or pointer to a pointer to NULL.
* The pointer is updated on success, or freed on failure.
* @param size Size in bytes for the memory block to be allocated or
* reallocated
* @return Zero on success, an AVERROR error code on failure.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_reallocp(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
*/
av_warn_unused_result
int av_reallocp(void *ptr, size_t size);
/**
* Allocate or reallocate an array.
* If ptr is NULL and nmemb > 0, allocate a new block. If
* nmemb is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a memory block already allocated with
* av_realloc() or NULL.
* Allocate a memory block for an array with av_mallocz().
*
* The allocated memory will have size `size * nmemb` bytes.
*
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to a newly-reallocated block or NULL if the block
* cannot be reallocated or the function is used to free the memory block.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_realloc(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
*/
av_alloc_size(2, 3) void *av_realloc_array(void *ptr, size_t nmemb, size_t size);
/**
* Allocate or reallocate an array through a pointer to a pointer.
* If *ptr is NULL and nmemb > 0, allocate a new block. If
* nmemb is zero, free the memory block pointed to by ptr.
* @param ptr Pointer to a pointer to a memory block already allocated
* with av_realloc(), or pointer to a pointer to NULL.
* The pointer is updated on success, or freed on failure.
* @param nmemb Number of elements
* @param size Size of the single element
* @return Zero on success, an AVERROR error code on failure.
* @warning Pointers originating from the av_malloc() family of functions must
* not be passed to av_realloc(). The former can be implemented using
* memalign() (or other functions), and there is no guarantee that
* pointers from such functions can be passed to realloc() at all.
* The situation is undefined according to POSIX and may crash with
* some libc implementations.
*/
av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
/**
* Free a memory block which has been allocated with av_malloc(z)() or
* av_realloc().
* @param ptr Pointer to the memory block which should be freed.
* @note ptr = NULL is explicitly allowed.
* @note It is recommended that you use av_freep() instead.
* @see av_freep()
*/
void av_free(void *ptr);
/**
* Allocate a block of size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU) and
* zero all the bytes of the block.
* @param size Size in bytes for the memory block to be allocated.
* @return Pointer to the allocated block, NULL if it cannot be allocated.
* @see av_malloc()
*/
void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
/**
* Allocate a block of nmemb * size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU) and
* zero all the bytes of the block.
* The allocation will fail if nmemb * size is greater than or equal
* to INT_MAX.
* @param nmemb
* @param size
* @return Pointer to the allocated block, NULL if it cannot be allocated.
*/
void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib;
/**
* Allocate a block of size * nmemb bytes with av_mallocz().
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @param size Size of the single element
* @return Pointer to the allocated block, or `NULL` if the block cannot
* be allocated
*
* @see av_mallocz()
* @see av_malloc_array()
*/
@ -234,43 +231,358 @@ av_alloc_size(1, 2) static inline void *av_mallocz_array(size_t nmemb, size_t si
}
/**
* Duplicate the string s.
* @param s string to be duplicated
* @return Pointer to a newly-allocated string containing a
* copy of s or NULL if the string cannot be allocated.
* Non-inlined equivalent of av_mallocz_array().
*
* Created for symmetry with the calloc() C function.
*/
char *av_strdup(const char *s) av_malloc_attrib;
void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib;
/**
* Duplicate a substring of the string s.
* @param s string to be duplicated
* @param len the maximum length of the resulting string (not counting the
* terminating byte).
* @return Pointer to a newly-allocated string containing a
* copy of s or NULL if the string cannot be allocated.
* Allocate, reallocate, or free a block of memory.
*
* If `ptr` is `NULL` and `size` > 0, allocate a new block. If `size` is
* zero, free the memory block pointed to by `ptr`. Otherwise, expand or
* shrink that block of memory according to `size`.
*
* @param ptr Pointer to a memory block already allocated with
* av_realloc() or `NULL`
* @param size Size in bytes of the memory block to be allocated or
* reallocated
*
* @return Pointer to a newly-reallocated block or `NULL` if the block
* cannot be reallocated or the function is used to free the memory block
*
* @warning Unlike av_malloc(), the returned pointer is not guaranteed to be
* correctly aligned.
* @see av_fast_realloc()
* @see av_reallocp()
*/
char *av_strndup(const char *s, size_t len) av_malloc_attrib;
void *av_realloc(void *ptr, size_t size) av_alloc_size(2);
/**
* Duplicate the buffer p.
* @param p buffer to be duplicated
* @return Pointer to a newly allocated buffer containing a
* copy of p or NULL if the buffer cannot be allocated.
* Allocate, reallocate, or free a block of memory through a pointer to a
* pointer.
*
* If `*ptr` is `NULL` and `size` > 0, allocate a new block. If `size` is
* zero, free the memory block pointed to by `*ptr`. Otherwise, expand or
* shrink that block of memory according to `size`.
*
* @param[in,out] ptr Pointer to a pointer to a memory block already allocated
* with av_realloc(), or a pointer to `NULL`. The pointer
* is updated on success, or freed on failure.
* @param[in] size Size in bytes for the memory block to be allocated or
* reallocated
*
* @return Zero on success, an AVERROR error code on failure
*
* @warning Unlike av_malloc(), the allocated memory is not guaranteed to be
* correctly aligned.
*/
void *av_memdup(const void *p, size_t size);
av_warn_unused_result
int av_reallocp(void *ptr, size_t size);
/**
* Free a memory block which has been allocated with av_malloc(z)() or
* av_realloc() and set the pointer pointing to it to NULL.
* @param ptr Pointer to the pointer to the memory block which should
* be freed.
* @note passing a pointer to a NULL pointer is safe and leads to no action.
* Allocate, reallocate, or free a block of memory.
*
* This function does the same thing as av_realloc(), except:
* - It takes two size arguments and allocates `nelem * elsize` bytes,
* after checking the result of the multiplication for integer overflow.
* - It frees the input block in case of failure, thus avoiding the memory
* leak with the classic
* @code{.c}
* buf = realloc(buf);
* if (!buf)
* return -1;
* @endcode
* pattern.
*/
void *av_realloc_f(void *ptr, size_t nelem, size_t elsize);
/**
* Allocate, reallocate, or free an array.
*
* If `ptr` is `NULL` and `nmemb` > 0, allocate a new block. If
* `nmemb` is zero, free the memory block pointed to by `ptr`.
*
* @param ptr Pointer to a memory block already allocated with
* av_realloc() or `NULL`
* @param nmemb Number of elements in the array
* @param size Size of the single element of the array
*
* @return Pointer to a newly-reallocated block or NULL if the block
* cannot be reallocated or the function is used to free the memory block
*
* @warning Unlike av_malloc(), the allocated memory is not guaranteed to be
* correctly aligned.
* @see av_reallocp_array()
*/
av_alloc_size(2, 3) void *av_realloc_array(void *ptr, size_t nmemb, size_t size);
/**
* Allocate, reallocate, or free an array through a pointer to a pointer.
*
* If `*ptr` is `NULL` and `nmemb` > 0, allocate a new block. If `nmemb` is
* zero, free the memory block pointed to by `*ptr`.
*
* @param[in,out] ptr Pointer to a pointer to a memory block already
* allocated with av_realloc(), or a pointer to `NULL`.
* The pointer is updated on success, or freed on failure.
* @param[in] nmemb Number of elements
* @param[in] size Size of the single element
*
* @return Zero on success, an AVERROR error code on failure
*
* @warning Unlike av_malloc(), the allocated memory is not guaranteed to be
* correctly aligned.
*/
av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
/**
* Reallocate the given buffer if it is not large enough, otherwise do nothing.
*
* If the given buffer is `NULL`, then a new uninitialized buffer is allocated.
*
* If the given buffer is not large enough, and reallocation fails, `NULL` is
* returned and `*size` is set to 0, but the original buffer is not changed or
* freed.
*
* A typical use pattern follows:
*
* @code{.c}
* uint8_t *buf = ...;
* uint8_t *new_buf = av_fast_realloc(buf, &current_size, size_needed);
* if (!new_buf) {
* // Allocation failed; clean up original buffer
* av_freep(&buf);
* return AVERROR(ENOMEM);
* }
* @endcode
*
* @param[in,out] ptr Already allocated buffer, or `NULL`
* @param[in,out] size Pointer to current size of buffer `ptr`. `*size` is
* changed to `min_size` in case of success or 0 in
* case of failure
* @param[in] min_size New size of buffer `ptr`
* @return `ptr` if the buffer is large enough, a pointer to newly reallocated
* buffer if the buffer was not large enough, or `NULL` in case of
* error
* @see av_realloc()
* @see av_fast_malloc()
*/
void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size);
/**
* Allocate a buffer, reusing the given one if large enough.
*
* Contrary to av_fast_realloc(), the current buffer contents might not be
* preserved and on error the old buffer is freed, thus no special handling to
* avoid memleaks is necessary.
*
* `*ptr` is allowed to be `NULL`, in which case allocation always happens if
* `size_needed` is greater than 0.
*
* @code{.c}
* uint8_t *buf = ...;
* av_fast_malloc(&buf, &current_size, size_needed);
* if (!buf) {
* // Allocation failed; buf already freed
* return AVERROR(ENOMEM);
* }
* @endcode
*
* @param[in,out] ptr Pointer to pointer to an already allocated buffer.
* `*ptr` will be overwritten with pointer to new
* buffer on success or `NULL` on failure
* @param[in,out] size Pointer to current size of buffer `*ptr`. `*size` is
* changed to `min_size` in case of success or 0 in
* case of failure
* @param[in] min_size New size of buffer `*ptr`
* @see av_realloc()
* @see av_fast_mallocz()
*/
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size);
/**
* Allocate and clear a buffer, reusing the given one if large enough.
*
* Like av_fast_malloc(), but all newly allocated space is initially cleared.
* Reused buffer is not cleared.
*
* `*ptr` is allowed to be `NULL`, in which case allocation always happens if
* `size_needed` is greater than 0.
*
* @param[in,out] ptr Pointer to pointer to an already allocated buffer.
* `*ptr` will be overwritten with pointer to new
* buffer on success or `NULL` on failure
* @param[in,out] size Pointer to current size of buffer `*ptr`. `*size` is
* changed to `min_size` in case of success or 0 in
* case of failure
* @param[in] min_size New size of buffer `*ptr`
* @see av_fast_malloc()
*/
void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size);
/**
* Free a memory block which has been allocated with a function of av_malloc()
* or av_realloc() family.
*
* @param ptr Pointer to the memory block which should be freed.
*
* @note `ptr = NULL` is explicitly allowed.
* @note It is recommended that you use av_freep() instead, to prevent leaving
* behind dangling pointers.
* @see av_freep()
*/
void av_free(void *ptr);
/**
* Free a memory block which has been allocated with a function of av_malloc()
* or av_realloc() family, and set the pointer pointing to it to `NULL`.
*
* @code{.c}
* uint8_t *buf = av_malloc(16);
* av_free(buf);
* // buf now contains a dangling pointer to freed memory, and accidental
* // dereference of buf will result in a use-after-free, which may be a
* // security risk.
*
* uint8_t *buf = av_malloc(16);
* av_freep(&buf);
* // buf is now NULL, and accidental dereference will only result in a
* // NULL-pointer dereference.
* @endcode
*
* @param ptr Pointer to the pointer to the memory block which should be freed
* @note `*ptr = NULL` is safe and leads to no action.
* @see av_free()
*/
void av_freep(void *ptr);
/**
* Add an element to a dynamic array.
* Duplicate a string.
*
* @param s String to be duplicated
* @return Pointer to a newly-allocated string containing a
* copy of `s` or `NULL` if the string cannot be allocated
* @see av_strndup()
*/
char *av_strdup(const char *s) av_malloc_attrib;
/**
* Duplicate a substring of a string.
*
* @param s String to be duplicated
* @param len Maximum length of the resulting string (not counting the
* terminating byte)
* @return Pointer to a newly-allocated string containing a
* substring of `s` or `NULL` if the string cannot be allocated
*/
char *av_strndup(const char *s, size_t len) av_malloc_attrib;
/**
* Duplicate a buffer with av_malloc().
*
* @param p Buffer to be duplicated
* @param size Size in bytes of the buffer copied
* @return Pointer to a newly allocated buffer containing a
* copy of `p` or `NULL` if the buffer cannot be allocated
*/
void *av_memdup(const void *p, size_t size);
/**
* Overlapping memcpy() implementation.
*
* @param dst Destination buffer
* @param back Number of bytes back to start copying (i.e. the initial size of
* the overlapping window); must be > 0
* @param cnt Number of bytes to copy; must be >= 0
*
* @note `cnt > back` is valid, this will copy the bytes we just copied,
* thus creating a repeating pattern with a period length of `back`.
*/
void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
/**
* @}
*/
/**
* @defgroup lavu_mem_dynarray Dynamic Array
*
* Utilities to make an array grow when needed.
*
* Sometimes, the programmer would want to have an array that can grow when
* needed. The libavutil dynamic array utilities fill that need.
*
* libavutil supports two systems of appending elements onto a dynamically
* allocated array, the first one storing the pointer to the value in the
* array, and the second storing the value directly. In both systems, the
* caller is responsible for maintaining a variable containing the length of
* the array, as well as freeing of the array after use.
*
* The first system stores pointers to values in a block of dynamically
* allocated memory. Since only pointers are stored, the function does not need
* to know the size of the type. Both av_dynarray_add() and
* av_dynarray_add_nofree() implement this system.
*
* @code
* type **array = NULL; //< an array of pointers to values
* int nb = 0; //< a variable to keep track of the length of the array
*
* type to_be_added = ...;
* type to_be_added2 = ...;
*
* av_dynarray_add(&array, &nb, &to_be_added);
* if (nb == 0)
* return AVERROR(ENOMEM);
*
* av_dynarray_add(&array, &nb, &to_be_added2);
* if (nb == 0)
* return AVERROR(ENOMEM);
*
* // Now:
* // nb == 2
* // &to_be_added == array[0]
* // &to_be_added2 == array[1]
*
* av_freep(&array);
* @endcode
*
* The second system stores the value directly in a block of memory. As a
* result, the function has to know the size of the type. av_dynarray2_add()
* implements this mechanism.
*
* @code
* type *array = NULL; //< an array of values
* int nb = 0; //< a variable to keep track of the length of the array
*
* type to_be_added = ...;
* type to_be_added2 = ...;
*
* type *addr = av_dynarray2_add((void **)&array, &nb, sizeof(*array), NULL);
* if (!addr)
* return AVERROR(ENOMEM);
* memcpy(addr, &to_be_added, sizeof(to_be_added));
*
* // Shortcut of the above.
* type *addr = av_dynarray2_add((void **)&array, &nb, sizeof(*array),
* (const void *)&to_be_added2);
* if (!addr)
* return AVERROR(ENOMEM);
*
* // Now:
* // nb == 2
* // to_be_added == array[0]
* // to_be_added2 == array[1]
*
* av_freep(&array);
* @endcode
*
* @{
*/
/**
* Add the pointer to an element to a dynamic array.
*
* The array to grow is supposed to be an array of pointers to
* structures, and the element to add must be a pointer to an already
@ -280,14 +592,14 @@ void av_freep(void *ptr);
* Therefore, the amortized cost of adding an element is constant.
*
* In case of success, the pointer to the array is updated in order to
* point to the new grown array, and the number pointed to by nb_ptr
* point to the new grown array, and the number pointed to by `nb_ptr`
* is incremented.
* In case of failure, the array is freed, *tab_ptr is set to NULL and
* *nb_ptr is set to 0.
* In case of failure, the array is freed, `*tab_ptr` is set to `NULL` and
* `*nb_ptr` is set to 0.
*
* @param tab_ptr pointer to the array to grow
* @param nb_ptr pointer to the number of elements in the array
* @param elem element to add
* @param[in,out] tab_ptr Pointer to the array to grow
* @param[in,out] nb_ptr Pointer to the number of elements in the array
* @param[in] elem Element to add
* @see av_dynarray_add_nofree(), av_dynarray2_add()
*/
void av_dynarray_add(void *tab_ptr, int *nb_ptr, void *elem);
@ -299,48 +611,62 @@ void av_dynarray_add(void *tab_ptr, int *nb_ptr, void *elem);
* but it doesn't free memory on fails. It returns error code
* instead and leave current buffer untouched.
*
* @param tab_ptr pointer to the array to grow
* @param nb_ptr pointer to the number of elements in the array
* @param elem element to add
* @return >=0 on success, negative otherwise.
* @return >=0 on success, negative otherwise
* @see av_dynarray_add(), av_dynarray2_add()
*/
av_warn_unused_result
int av_dynarray_add_nofree(void *tab_ptr, int *nb_ptr, void *elem);
/**
* Add an element of size elem_size to a dynamic array.
* Add an element of size `elem_size` to a dynamic array.
*
* The array is reallocated when its number of elements reaches powers of 2.
* Therefore, the amortized cost of adding an element is constant.
*
* In case of success, the pointer to the array is updated in order to
* point to the new grown array, and the number pointed to by nb_ptr
* point to the new grown array, and the number pointed to by `nb_ptr`
* is incremented.
* In case of failure, the array is freed, *tab_ptr is set to NULL and
* *nb_ptr is set to 0.
* In case of failure, the array is freed, `*tab_ptr` is set to `NULL` and
* `*nb_ptr` is set to 0.
*
* @param tab_ptr pointer to the array to grow
* @param nb_ptr pointer to the number of elements in the array
* @param elem_size size in bytes of the elements in the array
* @param elem_data pointer to the data of the element to add. If NULL, the space of
* the new added element is not filled.
* @return pointer to the data of the element to copy in the new allocated space.
* If NULL, the new allocated space is left uninitialized."
* @param[in,out] tab_ptr Pointer to the array to grow
* @param[in,out] nb_ptr Pointer to the number of elements in the array
* @param[in] elem_size Size in bytes of an element in the array
* @param[in] elem_data Pointer to the data of the element to add. If
* `NULL`, the space of the newly added element is
* allocated but left uninitialized.
*
* @return Pointer to the data of the element to copy in the newly allocated
* space
* @see av_dynarray_add(), av_dynarray_add_nofree()
*/
void *av_dynarray2_add(void **tab_ptr, int *nb_ptr, size_t elem_size,
const uint8_t *elem_data);
/**
* Multiply two size_t values checking for overflow.
* @return 0 if success, AVERROR(EINVAL) if overflow.
* @}
*/
/**
* @defgroup lavu_mem_misc Miscellaneous Functions
*
* Other functions related to memory allocation.
*
* @{
*/
/**
* Multiply two `size_t` values checking for overflow.
*
* @param[in] a,b Operands of multiplication
* @param[out] r Pointer to the result of the operation
* @return 0 on success, AVERROR(EINVAL) on overflow
*/
static inline int av_size_mult(size_t a, size_t b, size_t *r)
{
size_t t = a * b;
/* Hack inspired from glibc: only try the division if nelem and elsize
* are both greater than sqrt(SIZE_MAX). */
/* Hack inspired from glibc: don't try the division if nelem and elsize
* are both less than sqrt(SIZE_MAX). */
if ((a | b) >= ((size_t)1 << (sizeof(size_t) * 4)) && a && t / a != b)
return AVERROR(EINVAL);
*r = t;
@ -348,58 +674,22 @@ static inline int av_size_mult(size_t a, size_t b, size_t *r)
}
/**
* Set the maximum size that may me allocated in one block.
* Set the maximum size that may be allocated in one block.
*
* The value specified with this function is effective for all libavutil's @ref
* lavu_mem_funcs "heap management functions."
*
* By default, the max value is defined as `INT_MAX`.
*
* @param max Value to be set as the new maximum size
*
* @warning Exercise extreme caution when using this function. Don't touch
* this if you do not understand the full consequence of doing so.
*/
void av_max_alloc(size_t max);
/**
* deliberately overlapping memcpy implementation
* @param dst destination buffer
* @param back how many bytes back we start (the initial size of the overlapping window), must be > 0
* @param cnt number of bytes to copy, must be >= 0
*
* cnt > back is valid, this will copy the bytes we just copied,
* thus creating a repeating pattern with a period length of back.
*/
void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
/**
* Reallocate the given block if it is not large enough, otherwise do nothing.
*
* @see av_realloc
*/
void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size);
/**
* Allocate a buffer, reusing the given one if large enough.
*
* Contrary to av_fast_realloc the current buffer contents might not be
* preserved and on error the old buffer is freed, thus no special
* handling to avoid memleaks is necessary.
*
* @param ptr pointer to pointer to already allocated buffer, overwritten with pointer to new buffer
* @param size size of the buffer *ptr points to
* @param min_size minimum size of *ptr buffer after returning, *ptr will be NULL and
* *size 0 if an error occurred.
*/
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size);
/**
* Allocate a buffer, reusing the given one if large enough.
*
* All newly allocated space is initially cleared
* Contrary to av_fast_realloc the current buffer contents might not be
* preserved and on error the old buffer is freed, thus no special
* handling to avoid memleaks is necessary.
*
* @param ptr pointer to pointer to already allocated buffer, overwritten with pointer to new buffer
* @param size size of the buffer *ptr points to
* @param min_size minimum size of *ptr buffer after returning, *ptr will be NULL and
* *size 0 if an error occurred.
*/
void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size);
/**
* @}
* @}
*/

82
Externals/ffmpeg/include/libavutil/murmur3.h vendored
View File

@ -18,15 +18,97 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_murmur3
* Public header for MurmurHash3 hash function implementation.
*/
#ifndef AVUTIL_MURMUR3_H
#define AVUTIL_MURMUR3_H
#include <stdint.h>
/**
* @defgroup lavu_murmur3 Murmur3
* @ingroup lavu_hash
* MurmurHash3 hash function implementation.
*
* MurmurHash3 is a non-cryptographic hash function, of which three
* incompatible versions were created by its inventor Austin Appleby:
*
* - 32-bit output
* - 128-bit output for 32-bit platforms
* - 128-bit output for 64-bit platforms
*
* FFmpeg only implements the last variant: 128-bit output designed for 64-bit
* platforms. Even though the hash function was designed for 64-bit platforms,
* the function in reality works on 32-bit systems too, only with reduced
* performance.
*
* @anchor lavu_murmur3_seedinfo
* By design, MurmurHash3 requires a seed to operate. In response to this,
* libavutil provides two functions for hash initiation, one that requires a
* seed (av_murmur3_init_seeded()) and one that uses a fixed arbitrary integer
* as the seed, and therefore does not (av_murmur3_init()).
*
* To make hashes comparable, you should provide the same seed for all calls to
* this hash function -- if you are supplying one yourself, that is.
*
* @{
*/
/**
* Allocate an AVMurMur3 hash context.
*
* @return Uninitialized hash context or `NULL` in case of error
*/
struct AVMurMur3 *av_murmur3_alloc(void);
/**
* Initialize or reinitialize an AVMurMur3 hash context with a seed.
*
* @param[out] c Hash context
* @param[in] seed Random seed
*
* @see av_murmur3_init()
* @see @ref lavu_murmur3_seedinfo "Detailed description" on a discussion of
* seeds for MurmurHash3.
*/
void av_murmur3_init_seeded(struct AVMurMur3 *c, uint64_t seed);
/**
* Initialize or reinitialize an AVMurMur3 hash context.
*
* Equivalent to av_murmur3_init_seeded() with a built-in seed.
*
* @param[out] c Hash context
*
* @see av_murmur3_init_seeded()
* @see @ref lavu_murmur3_seedinfo "Detailed description" on a discussion of
* seeds for MurmurHash3.
*/
void av_murmur3_init(struct AVMurMur3 *c);
/**
* Update hash context with new data.
*
* @param[out] c Hash context
* @param[in] src Input data to update hash with
* @param[in] len Number of bytes to read from `src`
*/
void av_murmur3_update(struct AVMurMur3 *c, const uint8_t *src, int len);
/**
* Finish hashing and output digest value.
*
* @param[in,out] c Hash context
* @param[out] dst Buffer where output digest value is stored
*/
void av_murmur3_final(struct AVMurMur3 *c, uint8_t dst[16]);
/**
* @}
*/
#endif /* AVUTIL_MURMUR3_H */

177
Externals/ffmpeg/include/libavutil/old_pix_fmts.h vendored
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@ -1,177 +0,0 @@
/*
* copyright (c) 2006-2012 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_OLD_PIX_FMTS_H
#define AVUTIL_OLD_PIX_FMTS_H
/*
* This header exists to prevent new pixel formats from being accidentally added
* to the deprecated list.
* Do not include it directly. It will be removed on next major bump
*
* Do not add new items to this list. Use the AVPixelFormat enum instead.
*/
PIX_FMT_NONE = AV_PIX_FMT_NONE,
PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB...
PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR...
PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
PIX_FMT_GRAY8, ///< Y , 8bpp
PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_range
PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_range
PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_range
#if FF_API_XVMC
PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
PIX_FMT_XVMC_MPEG2_IDCT,
#endif /* FF_API_XVMC */
PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
PIX_FMT_BGR4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
PIX_FMT_RGB4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V)
PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
PIX_FMT_ARGB, ///< packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
PIX_FMT_RGBA, ///< packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
PIX_FMT_ABGR, ///< packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
PIX_FMT_BGRA, ///< packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range
PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
#if FF_API_VDPAU
PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
#endif
PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian
PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian
PIX_FMT_RGB565BE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
PIX_FMT_RGB565LE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
PIX_FMT_RGB555BE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0
PIX_FMT_RGB555LE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0
PIX_FMT_BGR565BE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
PIX_FMT_BGR565LE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
PIX_FMT_BGR555BE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1
PIX_FMT_BGR555LE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1
PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers
PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_YUV420P16LE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P16BE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV422P16LE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV422P16BE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV444P16LE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P16BE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
#if FF_API_VDPAU
PIX_FMT_VDPAU_MPEG4, ///< MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
#endif
PIX_FMT_DXVA2_VLD, ///< HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer
PIX_FMT_RGB444LE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0
PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0
PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
PIX_FMT_GRAY8A, ///< 8bit gray, 8bit alpha
PIX_FMT_BGR48BE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big-endian
PIX_FMT_BGR48LE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as little-endian
//the following 10 formats have the disadvantage of needing 1 format for each bit depth, thus
//If you want to support multiple bit depths, then using PIX_FMT_YUV420P16* with the bpp stored separately
//is better
PIX_FMT_YUV420P9BE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P9LE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P10BE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P10LE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV422P10BE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P10LE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV444P9BE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P9LE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P10BE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P10LE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV422P9BE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P9LE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_VDA_VLD, ///< hardware decoding through VDA
#ifdef AV_PIX_FMT_ABI_GIT_MASTER
PIX_FMT_RGBA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
#endif
PIX_FMT_GBRP, ///< planar GBR 4:4:4 24bpp
PIX_FMT_GBRP9BE, ///< planar GBR 4:4:4 27bpp, big endian
PIX_FMT_GBRP9LE, ///< planar GBR 4:4:4 27bpp, little endian
PIX_FMT_GBRP10BE, ///< planar GBR 4:4:4 30bpp, big endian
PIX_FMT_GBRP10LE, ///< planar GBR 4:4:4 30bpp, little endian
PIX_FMT_GBRP16BE, ///< planar GBR 4:4:4 48bpp, big endian
PIX_FMT_GBRP16LE, ///< planar GBR 4:4:4 48bpp, little endian
#ifndef AV_PIX_FMT_ABI_GIT_MASTER
PIX_FMT_RGBA64BE=0x123, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
#endif
PIX_FMT_0RGB=0x123+4, ///< packed RGB 8:8:8, 32bpp, 0RGB0RGB...
PIX_FMT_RGB0, ///< packed RGB 8:8:8, 32bpp, RGB0RGB0...
PIX_FMT_0BGR, ///< packed BGR 8:8:8, 32bpp, 0BGR0BGR...
PIX_FMT_BGR0, ///< packed BGR 8:8:8, 32bpp, BGR0BGR0...
PIX_FMT_YUVA444P, ///< planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
PIX_FMT_YUVA422P, ///< planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
PIX_FMT_YUV420P12BE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P12LE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P14BE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P14LE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV422P12BE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P12LE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV422P14BE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P14LE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV444P12BE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P12LE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P14BE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P14LE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_GBRP12BE, ///< planar GBR 4:4:4 36bpp, big endian
PIX_FMT_GBRP12LE, ///< planar GBR 4:4:4 36bpp, little endian
PIX_FMT_GBRP14BE, ///< planar GBR 4:4:4 42bpp, big endian
PIX_FMT_GBRP14LE, ///< planar GBR 4:4:4 42bpp, little endian
PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
#endif /* AVUTIL_OLD_PIX_FMTS_H */

6
Externals/ffmpeg/include/libavutil/opt.h vendored
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@ -58,7 +58,7 @@
* The following example illustrates an AVOptions-enabled struct:
* @code
* typedef struct test_struct {
* AVClass *class;
* const AVClass *class;
* int int_opt;
* char *str_opt;
* uint8_t *bin_opt;
@ -96,7 +96,7 @@
* @code
* test_struct *alloc_test_struct(void)
* {
* test_struct *ret = av_malloc(sizeof(*ret));
* test_struct *ret = av_mallocz(sizeof(*ret));
* ret->class = &test_class;
* av_opt_set_defaults(ret);
* return ret;
@ -281,7 +281,7 @@ typedef struct AVOption {
#define AV_OPT_FLAG_VIDEO_PARAM 16
#define AV_OPT_FLAG_SUBTITLE_PARAM 32
/**
* The option is inteded for exporting values to the caller.
* The option is intended for exporting values to the caller.
*/
#define AV_OPT_FLAG_EXPORT 64
/**

204
Externals/ffmpeg/include/libavutil/pixdesc.h vendored
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@ -85,16 +85,16 @@ typedef struct AVPixFmtDescriptor {
/**
* Amount to shift the luma width right to find the chroma width.
* For YV12 this is 1 for example.
* chroma_width = -((-luma_width) >> log2_chroma_w)
* chroma_width = AV_CEIL_RSHIFT(luma_width, log2_chroma_w)
* The note above is needed to ensure rounding up.
* This value only refers to the chroma components.
*/
uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w)
uint8_t log2_chroma_w;
/**
* Amount to shift the luma height right to find the chroma height.
* For YV12 this is 1 for example.
* chroma_height= -((-luma_height) >> log2_chroma_h)
* chroma_height= AV_CEIL_RSHIFT(luma_height, log2_chroma_h)
* The note above is needed to ensure rounding up.
* This value only refers to the chroma components.
*/
@ -172,78 +172,6 @@ typedef struct AVPixFmtDescriptor {
*/
#define AV_PIX_FMT_FLAG_ALPHA (1 << 7)
/**
* Read a line from an image, and write the values of the
* pixel format component c to dst.
*
* @param data the array containing the pointers to the planes of the image
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to read
* @param y the vertical coordinate of the first pixel to read
* @param w the width of the line to read, that is the number of
* values to write to dst
* @param read_pal_component if not zero and the format is a paletted
* format writes the values corresponding to the palette
* component c in data[1] to dst, rather than the palette indexes in
* data[0]. The behavior is undefined if the format is not paletted.
*/
void av_read_image_line(uint16_t *dst, const uint8_t *data[4],
const int linesize[4], const AVPixFmtDescriptor *desc,
int x, int y, int c, int w, int read_pal_component);
/**
* Write the values from src to the pixel format component c of an
* image line.
*
* @param src array containing the values to write
* @param data the array containing the pointers to the planes of the
* image to write into. It is supposed to be zeroed.
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to write
* @param y the vertical coordinate of the first pixel to write
* @param w the width of the line to write, that is the number of
* values to write to the image line
*/
void av_write_image_line(const uint16_t *src, uint8_t *data[4],
const int linesize[4], const AVPixFmtDescriptor *desc,
int x, int y, int c, int w);
/**
* Return the pixel format corresponding to name.
*
* If there is no pixel format with name name, then looks for a
* pixel format with the name corresponding to the native endian
* format of name.
* For example in a little-endian system, first looks for "gray16",
* then for "gray16le".
*
* Finally if no pixel format has been found, returns AV_PIX_FMT_NONE.
*/
enum AVPixelFormat av_get_pix_fmt(const char *name);
/**
* Return the short name for a pixel format, NULL in case pix_fmt is
* unknown.
*
* @see av_get_pix_fmt(), av_get_pix_fmt_string()
*/
const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
/**
* Print in buf the string corresponding to the pixel format with
* number pix_fmt, or a header if pix_fmt is negative.
*
* @param buf the buffer where to write the string
* @param buf_size the size of buf
* @param pix_fmt the number of the pixel format to print the
* corresponding info string, or a negative value to print the
* corresponding header.
*/
char *av_get_pix_fmt_string(char *buf, int buf_size,
enum AVPixelFormat pix_fmt);
/**
* Return the number of bits per pixel used by the pixel format
* described by pixdesc. Note that this is not the same as the number
@ -292,8 +220,8 @@ enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc);
* you do check the return code!
*
* @param[in] pix_fmt the pixel format
* @param[out] h_shift store log2_chroma_w
* @param[out] v_shift store log2_chroma_h
* @param[out] h_shift store log2_chroma_w (horizontal/width shift)
* @param[out] v_shift store log2_chroma_h (vertical/height shift)
*
* @return 0 on success, AVERROR(ENOSYS) on invalid or unknown pixel format
*/
@ -306,6 +234,103 @@ int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
*/
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
/**
* @return the name for provided color range or NULL if unknown.
*/
const char *av_color_range_name(enum AVColorRange range);
/**
* @return the name for provided color primaries or NULL if unknown.
*/
const char *av_color_primaries_name(enum AVColorPrimaries primaries);
/**
* @return the name for provided color transfer or NULL if unknown.
*/
const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer);
/**
* @return the name for provided color space or NULL if unknown.
*/
const char *av_color_space_name(enum AVColorSpace space);
/**
* @return the name for provided chroma location or NULL if unknown.
*/
const char *av_chroma_location_name(enum AVChromaLocation location);
/**
* Return the pixel format corresponding to name.
*
* If there is no pixel format with name name, then looks for a
* pixel format with the name corresponding to the native endian
* format of name.
* For example in a little-endian system, first looks for "gray16",
* then for "gray16le".
*
* Finally if no pixel format has been found, returns AV_PIX_FMT_NONE.
*/
enum AVPixelFormat av_get_pix_fmt(const char *name);
/**
* Return the short name for a pixel format, NULL in case pix_fmt is
* unknown.
*
* @see av_get_pix_fmt(), av_get_pix_fmt_string()
*/
const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
/**
* Print in buf the string corresponding to the pixel format with
* number pix_fmt, or a header if pix_fmt is negative.
*
* @param buf the buffer where to write the string
* @param buf_size the size of buf
* @param pix_fmt the number of the pixel format to print the
* corresponding info string, or a negative value to print the
* corresponding header.
*/
char *av_get_pix_fmt_string(char *buf, int buf_size,
enum AVPixelFormat pix_fmt);
/**
* Read a line from an image, and write the values of the
* pixel format component c to dst.
*
* @param data the array containing the pointers to the planes of the image
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to read
* @param y the vertical coordinate of the first pixel to read
* @param w the width of the line to read, that is the number of
* values to write to dst
* @param read_pal_component if not zero and the format is a paletted
* format writes the values corresponding to the palette
* component c in data[1] to dst, rather than the palette indexes in
* data[0]. The behavior is undefined if the format is not paletted.
*/
void av_read_image_line(uint16_t *dst, const uint8_t *data[4],
const int linesize[4], const AVPixFmtDescriptor *desc,
int x, int y, int c, int w, int read_pal_component);
/**
* Write the values from src to the pixel format component c of an
* image line.
*
* @param src array containing the values to write
* @param data the array containing the pointers to the planes of the
* image to write into. It is supposed to be zeroed.
* @param linesize the array containing the linesizes of the image
* @param desc the pixel format descriptor for the image
* @param x the horizontal coordinate of the first pixel to write
* @param y the vertical coordinate of the first pixel to write
* @param w the width of the line to write, that is the number of
* values to write to the image line
*/
void av_write_image_line(const uint16_t *src, uint8_t *data[4],
const int linesize[4], const AVPixFmtDescriptor *desc,
int x, int y, int c, int w);
/**
* Utility function to swap the endianness of a pixel format.
*
@ -366,29 +391,4 @@ int av_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
enum AVPixelFormat av_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr);
/**
* @return the name for provided color range or NULL if unknown.
*/
const char *av_color_range_name(enum AVColorRange range);
/**
* @return the name for provided color primaries or NULL if unknown.
*/
const char *av_color_primaries_name(enum AVColorPrimaries primaries);
/**
* @return the name for provided color transfer or NULL if unknown.
*/
const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer);
/**
* @return the name for provided color space or NULL if unknown.
*/
const char *av_color_space_name(enum AVColorSpace space);
/**
* @return the name for provided chroma location or NULL if unknown.
*/
const char *av_chroma_location_name(enum AVChromaLocation location);
#endif /* AVUTIL_PIXDESC_H */

73
Externals/ffmpeg/include/libavutil/pixfmt.h vendored
View File

@ -24,7 +24,6 @@
/**
* @file
* pixel format definitions
*
*/
#include "libavutil/avconfig.h"
@ -54,7 +53,7 @@
* to run on the IBM VGA graphics adapter use 6-bit palette components.
*
* @par
* For all the 8bit per pixel formats, an RGB32 palette is in data[1] like
* For all the 8 bits per pixel formats, an RGB32 palette is in data[1] like
* for pal8. This palette is filled in automatically by the function
* allocating the picture.
*/
@ -71,14 +70,14 @@ enum AVPixelFormat {
AV_PIX_FMT_GRAY8, ///< Y , 8bpp
AV_PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb
AV_PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb
AV_PIX_FMT_PAL8, ///< 8 bit with AV_PIX_FMT_RGB32 palette
AV_PIX_FMT_PAL8, ///< 8 bits with AV_PIX_FMT_RGB32 palette
AV_PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting color_range
AV_PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting color_range
AV_PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting color_range
#if FF_API_XVMC
AV_PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
AV_PIX_FMT_XVMC_MPEG2_IDCT,
#define AV_PIX_FMT_XVMC AV_PIX_FMT_XVMC_MPEG2_IDCT
AV_PIX_FMT_XVMC = AV_PIX_FMT_XVMC_MPEG2_IDCT,
#endif /* FF_API_XVMC */
AV_PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
AV_PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
@ -126,7 +125,7 @@ enum AVPixelFormat {
/**@{*/
AV_PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
AV_PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers
AV_PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a VASurfaceID
/**@}*/
AV_PIX_FMT_VAAPI = AV_PIX_FMT_VAAPI_VLD,
#else
@ -144,7 +143,7 @@ enum AVPixelFormat {
AV_PIX_FMT_YUV444P16LE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV444P16BE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
#if FF_API_VDPAU
AV_PIX_FMT_VDPAU_MPEG4, ///< MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_MPEG4, ///< MPEG-4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
#endif
AV_PIX_FMT_DXVA2_VLD, ///< HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer
@ -152,7 +151,7 @@ enum AVPixelFormat {
AV_PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), big-endian, X=unused/undefined
AV_PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), little-endian, X=unused/undefined
AV_PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), big-endian, X=unused/undefined
AV_PIX_FMT_YA8, ///< 8bit gray, 8bit alpha
AV_PIX_FMT_YA8, ///< 8 bits gray, 8 bits alpha
AV_PIX_FMT_Y400A = AV_PIX_FMT_YA8, ///< alias for AV_PIX_FMT_YA8
AV_PIX_FMT_GRAY8A= AV_PIX_FMT_YA8, ///< alias for AV_PIX_FMT_YA8
@ -179,6 +178,7 @@ enum AVPixelFormat {
AV_PIX_FMT_YUV422P9LE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_VDA_VLD, ///< hardware decoding through VDA
AV_PIX_FMT_GBRP, ///< planar GBR 4:4:4 24bpp
AV_PIX_FMT_GBR24P = AV_PIX_FMT_GBRP, // alias for #AV_PIX_FMT_GBRP
AV_PIX_FMT_GBRP9BE, ///< planar GBR 4:4:4 27bpp, big-endian
AV_PIX_FMT_GBRP9LE, ///< planar GBR 4:4:4 27bpp, little-endian
AV_PIX_FMT_GBRP10BE, ///< planar GBR 4:4:4 30bpp, big-endian
@ -223,8 +223,8 @@ enum AVPixelFormat {
AV_PIX_FMT_VDA, ///< HW acceleration through VDA, data[3] contains a CVPixelBufferRef
AV_PIX_FMT_YA16BE, ///< 16bit gray, 16bit alpha (big-endian)
AV_PIX_FMT_YA16LE, ///< 16bit gray, 16bit alpha (little-endian)
AV_PIX_FMT_YA16BE, ///< 16 bits gray, 16 bits alpha (big-endian)
AV_PIX_FMT_YA16LE, ///< 16 bits gray, 16 bits alpha (little-endian)
AV_PIX_FMT_GBRAP, ///< planar GBRA 4:4:4:4 32bpp
AV_PIX_FMT_GBRAP16BE, ///< planar GBRA 4:4:4:4 64bpp, big-endian
@ -242,6 +242,12 @@ enum AVPixelFormat {
AV_PIX_FMT_D3D11VA_VLD, ///< HW decoding through Direct3D11, Picture.data[3] contains a ID3D11VideoDecoderOutputView pointer
/**
* HW acceleration through CUDA. data[i] contain CUdeviceptr pointers
* exactly as for system memory frames.
*/
AV_PIX_FMT_CUDA,
AV_PIX_FMT_0RGB=0x123+4,///< packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
AV_PIX_FMT_RGB0, ///< packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
AV_PIX_FMT_0BGR, ///< packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
@ -289,11 +295,19 @@ enum AVPixelFormat {
AV_PIX_FMT_VIDEOTOOLBOX, ///< hardware decoding through Videotoolbox
AV_PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
};
AV_PIX_FMT_P010LE, ///< like NV12, with 10bpp per component, data in the high bits, zeros in the low bits, little-endian
AV_PIX_FMT_P010BE, ///< like NV12, with 10bpp per component, data in the high bits, zeros in the low bits, big-endian
#define AV_PIX_FMT_Y400A AV_PIX_FMT_GRAY8A
#define AV_PIX_FMT_GBR24P AV_PIX_FMT_GBRP
AV_PIX_FMT_GBRAP12BE, ///< planar GBR 4:4:4:4 48bpp, big-endian
AV_PIX_FMT_GBRAP12LE, ///< planar GBR 4:4:4:4 48bpp, little-endian
AV_PIX_FMT_GBRAP10BE, ///< planar GBR 4:4:4:4 40bpp, big-endian
AV_PIX_FMT_GBRAP10LE, ///< planar GBR 4:4:4:4 40bpp, little-endian
AV_PIX_FMT_MEDIACODEC, ///< hardware decoding through MediaCodec
AV_PIX_FMT_NB ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
};
#if AV_HAVE_BIGENDIAN
# define AV_PIX_FMT_NE(be, le) AV_PIX_FMT_##be
@ -344,6 +358,8 @@ enum AVPixelFormat {
#define AV_PIX_FMT_GBRP12 AV_PIX_FMT_NE(GBRP12BE, GBRP12LE)
#define AV_PIX_FMT_GBRP14 AV_PIX_FMT_NE(GBRP14BE, GBRP14LE)
#define AV_PIX_FMT_GBRP16 AV_PIX_FMT_NE(GBRP16BE, GBRP16LE)
#define AV_PIX_FMT_GBRAP10 AV_PIX_FMT_NE(GBRAP10BE, GBRAP10LE)
#define AV_PIX_FMT_GBRAP12 AV_PIX_FMT_NE(GBRAP12BE, GBRAP12LE)
#define AV_PIX_FMT_GBRAP16 AV_PIX_FMT_NE(GBRAP16BE, GBRAP16LE)
#define AV_PIX_FMT_BAYER_BGGR16 AV_PIX_FMT_NE(BAYER_BGGR16BE, BAYER_BGGR16LE)
@ -365,6 +381,7 @@ enum AVPixelFormat {
#define AV_PIX_FMT_XYZ12 AV_PIX_FMT_NE(XYZ12BE, XYZ12LE)
#define AV_PIX_FMT_NV20 AV_PIX_FMT_NE(NV20BE, NV20LE)
#define AV_PIX_FMT_AYUV64 AV_PIX_FMT_NE(AYUV64BE, AYUV64LE)
#define AV_PIX_FMT_P010 AV_PIX_FMT_NE(P010BE, P010LE)
/**
* Chromaticity coordinates of the source primaries.
@ -381,8 +398,10 @@ enum AVColorPrimaries {
AVCOL_PRI_SMPTE240M = 7, ///< functionally identical to above
AVCOL_PRI_FILM = 8, ///< colour filters using Illuminant C
AVCOL_PRI_BT2020 = 9, ///< ITU-R BT2020
AVCOL_PRI_SMPTEST428_1= 10, ///< SMPTE ST 428-1 (CIE 1931 XYZ)
AVCOL_PRI_NB, ///< Not part of ABI
AVCOL_PRI_SMPTEST428_1 = 10, ///< SMPTE ST 428-1 (CIE 1931 XYZ)
AVCOL_PRI_SMPTE431 = 11, ///< SMPTE ST 431-2 (2011)
AVCOL_PRI_SMPTE432 = 12, ///< SMPTE ST 432-1 D65 (2010)
AVCOL_PRI_NB ///< Not part of ABI
};
/**
@ -403,11 +422,12 @@ enum AVColorTransferCharacteristic {
AVCOL_TRC_IEC61966_2_4 = 11, ///< IEC 61966-2-4
AVCOL_TRC_BT1361_ECG = 12, ///< ITU-R BT1361 Extended Colour Gamut
AVCOL_TRC_IEC61966_2_1 = 13, ///< IEC 61966-2-1 (sRGB or sYCC)
AVCOL_TRC_BT2020_10 = 14, ///< ITU-R BT2020 for 10 bit system
AVCOL_TRC_BT2020_12 = 15, ///< ITU-R BT2020 for 12 bit system
AVCOL_TRC_SMPTEST2084 = 16, ///< SMPTE ST 2084 for 10, 12, 14 and 16 bit systems
AVCOL_TRC_BT2020_10 = 14, ///< ITU-R BT2020 for 10-bit system
AVCOL_TRC_BT2020_12 = 15, ///< ITU-R BT2020 for 12-bit system
AVCOL_TRC_SMPTEST2084 = 16, ///< SMPTE ST 2084 for 10-, 12-, 14- and 16-bit systems
AVCOL_TRC_SMPTEST428_1 = 17, ///< SMPTE ST 428-1
AVCOL_TRC_NB, ///< Not part of ABI
AVCOL_TRC_ARIB_STD_B67 = 18, ///< ARIB STD-B67, known as "Hybrid log-gamma"
AVCOL_TRC_NB ///< Not part of ABI
};
/**
@ -420,12 +440,13 @@ enum AVColorSpace {
AVCOL_SPC_RESERVED = 3,
AVCOL_SPC_FCC = 4, ///< FCC Title 47 Code of Federal Regulations 73.682 (a)(20)
AVCOL_SPC_BT470BG = 5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
AVCOL_SPC_SMPTE170M = 6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above
AVCOL_SPC_SMPTE240M = 7,
AVCOL_SPC_SMPTE170M = 6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
AVCOL_SPC_SMPTE240M = 7, ///< functionally identical to above
AVCOL_SPC_YCOCG = 8, ///< Used by Dirac / VC-2 and H.264 FRext, see ITU-T SG16
AVCOL_SPC_BT2020_NCL = 9, ///< ITU-R BT2020 non-constant luminance system
AVCOL_SPC_BT2020_CL = 10, ///< ITU-R BT2020 constant luminance system
AVCOL_SPC_NB, ///< Not part of ABI
AVCOL_SPC_SMPTE2085 = 11, ///< SMPTE 2085, Y'D'zD'x
AVCOL_SPC_NB ///< Not part of ABI
};
#define AVCOL_SPC_YCGCO AVCOL_SPC_YCOCG
@ -437,7 +458,7 @@ enum AVColorRange {
AVCOL_RANGE_UNSPECIFIED = 0,
AVCOL_RANGE_MPEG = 1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges
AVCOL_RANGE_JPEG = 2, ///< the normal 2^n-1 "JPEG" YUV ranges
AVCOL_RANGE_NB, ///< Not part of ABI
AVCOL_RANGE_NB ///< Not part of ABI
};
/**
@ -457,13 +478,13 @@ enum AVColorRange {
*/
enum AVChromaLocation {
AVCHROMA_LOC_UNSPECIFIED = 0,
AVCHROMA_LOC_LEFT = 1, ///< mpeg2/4 4:2:0, h264 default for 4:2:0
AVCHROMA_LOC_CENTER = 2, ///< mpeg1 4:2:0, jpeg 4:2:0, h263 4:2:0
AVCHROMA_LOC_LEFT = 1, ///< MPEG-2/4 4:2:0, H.264 default for 4:2:0
AVCHROMA_LOC_CENTER = 2, ///< MPEG-1 4:2:0, JPEG 4:2:0, H.263 4:2:0
AVCHROMA_LOC_TOPLEFT = 3, ///< ITU-R 601, SMPTE 274M 296M S314M(DV 4:1:1), mpeg2 4:2:2
AVCHROMA_LOC_TOP = 4,
AVCHROMA_LOC_BOTTOMLEFT = 5,
AVCHROMA_LOC_BOTTOM = 6,
AVCHROMA_LOC_NB, ///< Not part of ABI
AVCHROMA_LOC_NB ///< Not part of ABI
};
#endif /* AVUTIL_PIXFMT_H */

119
Externals/ffmpeg/include/libavutil/rational.h vendored
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@ -21,7 +21,8 @@
/**
* @file
* rational numbers
* @ingroup lavu_math_rational
* Utilties for rational number calculation.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
@ -33,22 +34,39 @@
#include "attributes.h"
/**
* @addtogroup lavu_math
* @defgroup lavu_math_rational AVRational
* @ingroup lavu_math
* Rational number calculation.
*
* While rational numbers can be expressed as floating-point numbers, the
* conversion process is a lossy one, so are floating-point operations. On the
* other hand, the nature of FFmpeg demands highly accurate calculation of
* timestamps. This set of rational number utilities serves as a generic
* interface for manipulating rational numbers as pairs of numerators and
* denominators.
*
* Many of the functions that operate on AVRational's have the suffix `_q`, in
* reference to the mathematical symbol "ℚ" (Q) which denotes the set of all
* rational numbers.
*
* @{
*/
/**
* rational number numerator/denominator
* Rational number (pair of numerator and denominator).
*/
typedef struct AVRational{
int num; ///< numerator
int den; ///< denominator
int num; ///< Numerator
int den; ///< Denominator
} AVRational;
/**
* Create a rational.
* Create an AVRational.
*
* Useful for compilers that do not support compound literals.
* @note The return value is not reduced.
*
* @note The return value is not reduced.
* @see av_reduce()
*/
static inline AVRational av_make_q(int num, int den)
{
@ -58,10 +76,15 @@ static inline AVRational av_make_q(int num, int den)
/**
* Compare two rationals.
* @param a first rational
* @param b second rational
* @return 0 if a==b, 1 if a>b, -1 if a<b, and INT_MIN if one of the
* values is of the form 0/0
*
* @param a First rational
* @param b Second rational
*
* @return One of the following values:
* - 0 if `a == b`
* - 1 if `a > b`
* - -1 if `a < b`
* - `INT_MIN` if one of the values is of the form `0 / 0`
*/
static inline int av_cmp_q(AVRational a, AVRational b){
const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
@ -73,9 +96,10 @@ static inline int av_cmp_q(AVRational a, AVRational b){
}
/**
* Convert rational to double.
* @param a rational to convert
* @return (double) a
* Convert an AVRational to a `double`.
* @param a AVRational to convert
* @return `a` in floating-point form
* @see av_d2q()
*/
static inline double av_q2d(AVRational a){
return a.num / (double) a.den;
@ -83,44 +107,46 @@ static inline double av_q2d(AVRational a){
/**
* Reduce a fraction.
*
* This is useful for framerate calculations.
* @param dst_num destination numerator
* @param dst_den destination denominator
* @param num source numerator
* @param den source denominator
* @param max the maximum allowed for dst_num & dst_den
* @return 1 if exact, 0 otherwise
*
* @param[out] dst_num Destination numerator
* @param[out] dst_den Destination denominator
* @param[in] num Source numerator
* @param[in] den Source denominator
* @param[in] max Maximum allowed values for `dst_num` & `dst_den`
* @return 1 if the operation is exact, 0 otherwise
*/
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max);
/**
* Multiply two rationals.
* @param b first rational
* @param c second rational
* @param b First rational
* @param c Second rational
* @return b*c
*/
AVRational av_mul_q(AVRational b, AVRational c) av_const;
/**
* Divide one rational by another.
* @param b first rational
* @param c second rational
* @param b First rational
* @param c Second rational
* @return b/c
*/
AVRational av_div_q(AVRational b, AVRational c) av_const;
/**
* Add two rationals.
* @param b first rational
* @param c second rational
* @param b First rational
* @param c Second rational
* @return b+c
*/
AVRational av_add_q(AVRational b, AVRational c) av_const;
/**
* Subtract one rational from another.
* @param b first rational
* @param c second rational
* @param b First rational
* @param c Second rational
* @return b-c
*/
AVRational av_sub_q(AVRational b, AVRational c) av_const;
@ -138,31 +164,46 @@ static av_always_inline AVRational av_inv_q(AVRational q)
/**
* Convert a double precision floating point number to a rational.
* inf is expressed as {1,0} or {-1,0} depending on the sign.
*
* @param d double to convert
* @param max the maximum allowed numerator and denominator
* @return (AVRational) d
* In case of infinity, the returned value is expressed as `{1, 0}` or
* `{-1, 0}` depending on the sign.
*
* @param d `double` to convert
* @param max Maximum allowed numerator and denominator
* @return `d` in AVRational form
* @see av_q2d()
*/
AVRational av_d2q(double d, int max) av_const;
/**
* @return 1 if q1 is nearer to q than q2, -1 if q2 is nearer
* than q1, 0 if they have the same distance.
* Find which of the two rationals is closer to another rational.
*
* @param q Rational to be compared against
* @param q1,q2 Rationals to be tested
* @return One of the following values:
* - 1 if `q1` is nearer to `q` than `q2`
* - -1 if `q2` is nearer to `q` than `q1`
* - 0 if they have the same distance
*/
int av_nearer_q(AVRational q, AVRational q1, AVRational q2);
/**
* Find the nearest value in q_list to q.
* @param q_list an array of rationals terminated by {0, 0}
* @return the index of the nearest value found in the array
* Find the value in a list of rationals nearest a given reference rational.
*
* @param q Reference rational
* @param q_list Array of rationals terminated by `{0, 0}`
* @return Index of the nearest value found in the array
*/
int av_find_nearest_q_idx(AVRational q, const AVRational* q_list);
/**
* Converts a AVRational to a IEEE 32bit float.
* Convert an AVRational to a IEEE 32-bit `float` expressed in fixed-point
* format.
*
* The float is returned in a uint32_t and its value is platform indepenant.
* @param q Rational to be converted
* @return Equivalent floating-point value, expressed as an unsigned 32-bit
* integer.
* @note The returned value is platform-indepedant.
*/
uint32_t av_q2intfloat(AVRational q);

1
Externals/ffmpeg/include/libavutil/replaygain.h vendored
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@ -1,5 +1,4 @@
/*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or

10
Externals/ffmpeg/include/libavutil/ripemd.h vendored
View File

@ -19,6 +19,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_ripemd
* Public header for RIPEMD hash function implementation.
*/
#ifndef AVUTIL_RIPEMD_H
#define AVUTIL_RIPEMD_H
@ -29,7 +35,9 @@
/**
* @defgroup lavu_ripemd RIPEMD
* @ingroup lavu_crypto
* @ingroup lavu_hash
* RIPEMD hash function implementation.
*
* @{
*/

3
Externals/ffmpeg/include/libavutil/samplefmt.h vendored
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@ -32,7 +32,6 @@
*
* Audio sample format enumeration and related convenience functions.
* @{
*
*/
/**
@ -69,6 +68,8 @@ enum AVSampleFormat {
AV_SAMPLE_FMT_S32P, ///< signed 32 bits, planar
AV_SAMPLE_FMT_FLTP, ///< float, planar
AV_SAMPLE_FMT_DBLP, ///< double, planar
AV_SAMPLE_FMT_S64, ///< signed 64 bits
AV_SAMPLE_FMT_S64P, ///< signed 64 bits, planar
AV_SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if linking dynamically
};

18
Externals/ffmpeg/include/libavutil/sha.h vendored
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@ -18,6 +18,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_sha
* Public header for SHA-1 & SHA-256 hash function implementations.
*/
#ifndef AVUTIL_SHA_H
#define AVUTIL_SHA_H
@ -28,7 +34,17 @@
/**
* @defgroup lavu_sha SHA
* @ingroup lavu_crypto
* @ingroup lavu_hash
* SHA-1 and SHA-256 (Secure Hash Algorithm) hash function implementations.
*
* This module supports the following SHA hash functions:
*
* - SHA-1: 160 bits
* - SHA-224: 224 bits, as a variant of SHA-2
* - SHA-256: 256 bits, as a variant of SHA-2
*
* @see For SHA-384, SHA-512, and variants thereof, see @ref lavu_sha512.
*
* @{
*/

21
Externals/ffmpeg/include/libavutil/sha512.h vendored
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@ -19,6 +19,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu_sha512
* Public header for SHA-512 implementation.
*/
#ifndef AVUTIL_SHA512_H
#define AVUTIL_SHA512_H
@ -28,8 +34,19 @@
#include "version.h"
/**
* @defgroup lavu_sha512 SHA512
* @ingroup lavu_crypto
* @defgroup lavu_sha512 SHA-512
* @ingroup lavu_hash
* SHA-512 (Secure Hash Algorithm) hash function implementations.
*
* This module supports the following SHA-2 hash functions:
*
* - SHA-512/224: 224 bits
* - SHA-512/256: 256 bits
* - SHA-384: 384 bits
* - SHA-512: 512 bits
*
* @see For SHA-1, SHA-256, and variants thereof, see @ref lavu_sha.
*
* @{
*/

18
Externals/ffmpeg/include/libavutil/stereo3d.h vendored
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@ -149,4 +149,22 @@ AVStereo3D *av_stereo3d_alloc(void);
*/
AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame);
/**
* Provide a human-readable name of a given stereo3d type.
*
* @param type The input stereo3d type value.
*
* @return The name of the stereo3d value, or "unknown".
*/
const char *av_stereo3d_type_name(unsigned int type);
/**
* Get the AVStereo3DType form a human-readable name.
*
* @param type The input string.
*
* @return The AVStereo3DType value, or -1 if not found.
*/
int av_stereo3d_from_name(const char *name);
#endif /* AVUTIL_STEREO3D_H */

16
Externals/ffmpeg/include/libavutil/threadmessage.h vendored
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@ -69,10 +69,10 @@ int av_thread_message_queue_recv(AVThreadMessageQueue *mq,
/**
* Set the sending error code.
*
* If the error code is set to non-zero, av_thread_message_queue_recv() will
* return it immediately when there are no longer available messages.
* Conventional values, such as AVERROR_EOF or AVERROR(EAGAIN), can be used
* to cause the receiving thread to stop or suspend its operation.
* If the error code is set to non-zero, av_thread_message_queue_send() will
* return it immediately. Conventional values, such as AVERROR_EOF or
* AVERROR(EAGAIN), can be used to cause the sending thread to stop or
* suspend its operation.
*/
void av_thread_message_queue_set_err_send(AVThreadMessageQueue *mq,
int err);
@ -80,10 +80,10 @@ void av_thread_message_queue_set_err_send(AVThreadMessageQueue *mq,
/**
* Set the receiving error code.
*
* If the error code is set to non-zero, av_thread_message_queue_send() will
* return it immediately. Conventional values, such as AVERROR_EOF or
* AVERROR(EAGAIN), can be used to cause the sending thread to stop or
* suspend its operation.
* If the error code is set to non-zero, av_thread_message_queue_recv() will
* return it immediately when there are no longer available messages.
* Conventional values, such as AVERROR_EOF or AVERROR(EAGAIN), can be used
* to cause the receiving thread to stop or suspend its operation.
*/
void av_thread_message_queue_set_err_recv(AVThreadMessageQueue *mq,
int err);

2
Externals/ffmpeg/include/libavutil/timestamp.h vendored
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@ -43,7 +43,7 @@
static inline char *av_ts_make_string(char *buf, int64_t ts)
{
if (ts == AV_NOPTS_VALUE) snprintf(buf, AV_TS_MAX_STRING_SIZE, "NOPTS");
else snprintf(buf, AV_TS_MAX_STRING_SIZE, "%"PRId64, ts);
else snprintf(buf, AV_TS_MAX_STRING_SIZE, "%" PRId64, ts);
return buf;
}

6
Externals/ffmpeg/include/libavutil/tree.h vendored
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@ -58,7 +58,7 @@ struct AVTreeNode *av_tree_node_alloc(void);
* then the corresponding entry in next is unchanged.
* @param cmp compare function used to compare elements in the tree,
* API identical to that of Standard C's qsort
* It is guranteed that the first and only the first argument to cmp()
* It is guaranteed that the first and only the first argument to cmp()
* will be the key parameter to av_tree_find(), thus it could if the
* user wants, be a different type (like an opaque context).
* @return An element with cmp(key, elem) == 0 or NULL if no such element
@ -120,8 +120,8 @@ void av_tree_destroy(struct AVTreeNode *t);
/**
* Apply enu(opaque, &elem) to all the elements in the tree in a given range.
*
* @param cmp a comparison function that returns < 0 for a element below the
* range, > 0 for a element above the range and == 0 for a
* @param cmp a comparison function that returns < 0 for an element below the
* range, > 0 for an element above the range and == 0 for an
* element inside the range
*
* @note The cmp function should use the same ordering used to construct the

40
Externals/ffmpeg/include/libavutil/version.h vendored
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@ -18,6 +18,12 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* @ingroup lavu
* Libavutil version macros
*/
#ifndef AVUTIL_VERSION_H
#define AVUTIL_VERSION_H
@ -29,6 +35,21 @@
* Useful to check and match library version in order to maintain
* backward compatibility.
*
* The FFmpeg libraries follow a versioning sheme very similar to
* Semantic Versioning (http://semver.org/)
* The difference is that the component called PATCH is called MICRO in FFmpeg
* and its value is reset to 100 instead of 0 to keep it above or equal to 100.
* Also we do not increase MICRO for every bugfix or change in git master.
*
* Prior to FFmpeg 3.2 point releases did not change any lib version number to
* avoid aliassing different git master checkouts.
* Starting with FFmpeg 3.2, the released library versions will occupy
* a separate MAJOR.MINOR that is not used on the master development branch.
* That is if we branch a release of master 55.10.123 we will bump to 55.11.100
* for the release and master will continue at 55.12.100 after it. Each new
* point release will then bump the MICRO improving the usefulness of the lib
* versions.
*
* @{
*/
@ -48,12 +69,6 @@
* @}
*/
/**
* @file
* @ingroup lavu
* Libavutil version macros
*/
/**
* @defgroup lavu_ver Version and Build diagnostics
*
@ -64,8 +79,8 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 55
#define LIBAVUTIL_VERSION_MINOR 12
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_MINOR 34
#define LIBAVUTIL_VERSION_MICRO 101
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \
@ -78,9 +93,7 @@
#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
/**
* @}
*
* @defgroup depr_guards Deprecation guards
* @defgroup lavu_depr_guards Deprecation Guards
* FF_API_* defines may be placed below to indicate public API that will be
* dropped at a future version bump. The defines themselves are not part of
* the public API and may change, break or disappear at any time.
@ -119,11 +132,14 @@
#ifndef FF_API_CRC_BIG_TABLE
#define FF_API_CRC_BIG_TABLE (LIBAVUTIL_VERSION_MAJOR < 56)
#endif
#ifndef FF_API_PKT_PTS
#define FF_API_PKT_PTS (LIBAVUTIL_VERSION_MAJOR < 56)
#endif
/**
* @}
* @}
*/
#endif /* AVUTIL_VERSION_H */

36
Externals/ffmpeg/include/libswresample/swresample.h vendored
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@ -28,11 +28,10 @@
*/
/**
* @defgroup lswr Libswresample
* @defgroup lswr libswresample
* @{
*
* Libswresample (lswr) is a library that handles audio resampling, sample
* format conversion and mixing.
* Audio resampling, sample format conversion and mixing library.
*
* Interaction with lswr is done through SwrContext, which is
* allocated with swr_alloc() or swr_alloc_set_opts(). It is opaque, so all parameters
@ -121,6 +120,7 @@
*/
#include <stdint.h>
#include "libavutil/channel_layout.h"
#include "libavutil/frame.h"
#include "libavutil/samplefmt.h"
@ -366,6 +366,36 @@ int swr_set_compensation(struct SwrContext *s, int sample_delta, int compensatio
*/
int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map);
/**
* Generate a channel mixing matrix.
*
* This function is the one used internally by libswresample for building the
* default mixing matrix. It is made public just as a utility function for
* building custom matrices.
*
* @param in_layout input channel layout
* @param out_layout output channel layout
* @param center_mix_level mix level for the center channel
* @param surround_mix_level mix level for the surround channel(s)
* @param lfe_mix_level mix level for the low-frequency effects channel
* @param rematrix_maxval if 1.0, coefficients will be normalized to prevent
* overflow. if INT_MAX, coefficients will not be
* normalized.
* @param[out] matrix mixing coefficients; matrix[i + stride * o] is
* the weight of input channel i in output channel o.
* @param stride distance between adjacent input channels in the
* matrix array
* @param matrix_encoding matrixed stereo downmix mode (e.g. dplii)
* @param log_ctx parent logging context, can be NULL
* @return 0 on success, negative AVERROR code on failure
*/
int swr_build_matrix(uint64_t in_layout, uint64_t out_layout,
double center_mix_level, double surround_mix_level,
double lfe_mix_level, double rematrix_maxval,
double rematrix_volume, double *matrix,
int stride, enum AVMatrixEncoding matrix_encoding,
void *log_ctx);
/**
* Set a customized remix matrix.
*

10
Externals/ffmpeg/include/libswresample/version.h vendored
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@ -18,8 +18,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SWR_VERSION_H
#define SWR_VERSION_H
#ifndef SWRESAMPLE_VERSION_H
#define SWRESAMPLE_VERSION_H
/**
* @file
@ -29,8 +29,8 @@
#include "libavutil/avutil.h"
#define LIBSWRESAMPLE_VERSION_MAJOR 2
#define LIBSWRESAMPLE_VERSION_MINOR 0
#define LIBSWRESAMPLE_VERSION_MICRO 101
#define LIBSWRESAMPLE_VERSION_MINOR 3
#define LIBSWRESAMPLE_VERSION_MICRO 100
#define LIBSWRESAMPLE_VERSION_INT AV_VERSION_INT(LIBSWRESAMPLE_VERSION_MAJOR, \
LIBSWRESAMPLE_VERSION_MINOR, \
@ -42,4 +42,4 @@
#define LIBSWRESAMPLE_IDENT "SwR" AV_STRINGIFY(LIBSWRESAMPLE_VERSION)
#endif /* SWR_VERSION_H */
#endif /* SWRESAMPLE_VERSION_H */

44
Externals/ffmpeg/include/libswscale/swscale.h vendored
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@ -35,7 +35,9 @@
#include "version.h"
/**
* @defgroup libsws Color conversion and scaling
* @defgroup libsws libswscale
* Color conversion and scaling library.
*
* @{
*
* Return the LIBSWSCALE_VERSION_INT constant.
@ -73,7 +75,7 @@ const char *swscale_license(void);
#define SWS_PRINT_INFO 0x1000
//the following 3 flags are not completely implemented
//internal chrominace subsampling info
//internal chrominance subsampling info
#define SWS_FULL_CHR_H_INT 0x2000
//input subsampling info
#define SWS_FULL_CHR_H_INP 0x4000
@ -91,6 +93,7 @@ const char *swscale_license(void);
#define SWS_CS_SMPTE170M 5
#define SWS_CS_SMPTE240M 7
#define SWS_CS_DEFAULT 5
#define SWS_CS_BT2020 9
/**
* Return a pointer to yuv<->rgb coefficients for the given colorspace
@ -247,18 +250,6 @@ SwsVector *sws_allocVec(int length);
*/
SwsVector *sws_getGaussianVec(double variance, double quality);
/**
* Allocate and return a vector with length coefficients, all
* with the same value c.
*/
SwsVector *sws_getConstVec(double c, int length);
/**
* Allocate and return a vector with just one coefficient, with
* value 1.0.
*/
SwsVector *sws_getIdentityVec(void);
/**
* Scale all the coefficients of a by the scalar value.
*/
@ -268,22 +259,17 @@ void sws_scaleVec(SwsVector *a, double scalar);
* Scale all the coefficients of a so that their sum equals height.
*/
void sws_normalizeVec(SwsVector *a, double height);
void sws_convVec(SwsVector *a, SwsVector *b);
void sws_addVec(SwsVector *a, SwsVector *b);
void sws_subVec(SwsVector *a, SwsVector *b);
void sws_shiftVec(SwsVector *a, int shift);
/**
* Allocate and return a clone of the vector a, that is a vector
* with the same coefficients as a.
*/
SwsVector *sws_cloneVec(SwsVector *a);
/**
* Print with av_log() a textual representation of the vector a
* if log_level <= av_log_level.
*/
void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
#if FF_API_SWS_VECTOR
attribute_deprecated SwsVector *sws_getConstVec(double c, int length);
attribute_deprecated SwsVector *sws_getIdentityVec(void);
attribute_deprecated void sws_convVec(SwsVector *a, SwsVector *b);
attribute_deprecated void sws_addVec(SwsVector *a, SwsVector *b);
attribute_deprecated void sws_subVec(SwsVector *a, SwsVector *b);
attribute_deprecated void sws_shiftVec(SwsVector *a, int shift);
attribute_deprecated SwsVector *sws_cloneVec(SwsVector *a);
attribute_deprecated void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
#endif
void sws_freeVec(SwsVector *a);

6
Externals/ffmpeg/include/libswscale/version.h vendored
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@ -27,7 +27,7 @@
#include "libavutil/version.h"
#define LIBSWSCALE_VERSION_MAJOR 4
#define LIBSWSCALE_VERSION_MINOR 0
#define LIBSWSCALE_VERSION_MINOR 2
#define LIBSWSCALE_VERSION_MICRO 100
#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
@ -46,4 +46,8 @@
* the public API and may change, break or disappear at any time.
*/
#ifndef FF_API_SWS_VECTOR
#define FF_API_SWS_VECTOR (LIBSWSCALE_VERSION_MAJOR < 6)
#endif
#endif /* SWSCALE_VERSION_H */

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