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Qt GUI deprecation usage fixes for ffmpeg 5.1.x libavutil. Code is now compatible with new AVChannelLayout data structure. Used proper version macros so that code is still setup to be backwards compatible with ffmpeg 4.x

This commit is contained in:
harry 2023-01-13 00:45:44 -05:00
parent ff24dd7a68
commit a3240e9c2e
1 changed files with 92 additions and 10 deletions
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102
src/drivers/Qt/AviRecord.cpp
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@ -1285,9 +1285,8 @@ static int initVideoStream( const char *codec_name, OutputStream *ost )
return 0;
}
static AVFrame *alloc_audio_frame(enum AVSampleFormat sample_fmt,
uint64_t channel_layout,
int sample_rate, int nb_samples)
static AVFrame *alloc_audio_frame(const AVCodecContext *c,
int nb_samples)
{
AVFrame *frame = av_frame_alloc();
int ret;
@ -1296,9 +1295,13 @@ static AVFrame *alloc_audio_frame(enum AVSampleFormat sample_fmt,
fprintf(stderr, "Error allocating an audio frame\n");
return NULL;
}
frame->format = sample_fmt;
frame->channel_layout = channel_layout;
frame->sample_rate = sample_rate;
frame->format = c->sample_fmt;
#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(57, 28, 100)
frame->channel_layout = c->channel_layout;
#else
av_channel_layout_copy(&frame->ch_layout, &c->ch_layout);
#endif
frame->sample_rate = c->sample_rate;
frame->nb_samples = nb_samples;
if (nb_samples)
@ -1313,6 +1316,43 @@ static AVFrame *alloc_audio_frame(enum AVSampleFormat sample_fmt,
return frame;
}
#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 28, 100)
static int select_audio_channel_layout(const OutputStream *ost, const AVCodec *codec, AVChannelLayout *dst)
{
const AVChannelLayout *p, *best_ch_layout;
const AVChannelLayout defaultLayout = AV_CHANNEL_LAYOUT_MONO;
int best_nb_channels = 0;
if (!codec->ch_layouts)
{
return av_channel_layout_copy(dst, &defaultLayout);
}
best_ch_layout = p = codec->ch_layouts;
while (p && p->nb_channels)
{
int nb_channels = p->nb_channels;
if ( ost->chanLayout > 0 )
{
if (ost->chanLayout == p->u.mask)
{
best_ch_layout = p;
best_nb_channels = nb_channels;
break;
}
}
if (nb_channels > best_nb_channels)
{
best_ch_layout = p;
best_nb_channels = nb_channels;
}
p++;
}
return av_channel_layout_copy(dst, best_ch_layout);
}
#endif
static int initAudioStream( const char *codec_name, OutputStream *ost )
{
int ret, nb_samples;
@ -1406,6 +1446,7 @@ static int initAudioStream( const char *codec_name, OutputStream *ost )
}
// Channel Layout Selection
#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(57, 28, 100)
if ( ost->chanLayout > 0 )
{
c->channel_layout = ost->chanLayout;
@ -1432,6 +1473,13 @@ static int initAudioStream( const char *codec_name, OutputStream *ost )
c->channel_layout = codec->channel_layouts ? codec->channel_layouts[0] : AV_CH_LAYOUT_STEREO;
}
c->channels = av_get_channel_layout_nb_channels(c->channel_layout);
#else
if (select_audio_channel_layout( ost, codec, &c->ch_layout) )
{
fprintf( avLogFp, "Error selecting the audio channel layout\n");
return -1;
}
#endif
c->bit_rate = 64000;
//ost->st->time_base = (AVRational){ 1, c->sample_rate };
ost->st->time_base.num = 1;
@ -1454,10 +1502,19 @@ static int initAudioStream( const char *codec_name, OutputStream *ost )
}
av_opt_set_sample_fmt(ost->swr_ctx, "in_sample_fmt", AV_SAMPLE_FMT_S16, 0);
av_opt_set_int(ost->swr_ctx, "in_sample_rate", audioSampleRate, 0);
#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(57, 28, 100)
av_opt_set_int(ost->swr_ctx, "in_channel_layout", AV_CH_LAYOUT_MONO, 0);
#else
AVChannelLayout src_ch_layout = AV_CHANNEL_LAYOUT_MONO;
av_opt_set_chlayout(ost->swr_ctx, "in_chlayout", &src_ch_layout, 0);
#endif
av_opt_set_sample_fmt(ost->swr_ctx, "out_sample_fmt", c->sample_fmt, 0);
av_opt_set_int(ost->swr_ctx, "out_sample_rate", c->sample_rate, 0);
#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(57, 28, 100)
av_opt_set_int(ost->swr_ctx, "out_channel_layout", c->channel_layout, 0);
#else
av_opt_set_chlayout(ost->swr_ctx, "out_chlayout", &c->ch_layout, 0);
#endif
ret = swr_init(ost->swr_ctx);
if (ret < 0)
@ -1498,9 +1555,8 @@ static int initAudioStream( const char *codec_name, OutputStream *ost )
ost->frameSize = nb_samples;
ost->bytesPerSample = av_get_bytes_per_sample( c->sample_fmt );
ost->frame = alloc_audio_frame(c->sample_fmt, c->channel_layout, c->sample_rate, nb_samples);
ost->tmp_frame = alloc_audio_frame(c->sample_fmt, c->channel_layout, c->sample_rate, nb_samples);
//ost->tmp_frame = alloc_audio_frame(AV_SAMPLE_FMT_S16, AV_CH_LAYOUT_MONO, audioSampleRate, nb_samples);
ost->frame = alloc_audio_frame(c, nb_samples);
ost->tmp_frame = alloc_audio_frame(c, nb_samples);
//printf("Audio: FMT:%i ChanLayout:%li Rate:%i FrameSize:%i bytesPerSample:%i \n",
// c->sample_fmt, c->channel_layout, c->sample_rate, nb_samples, ost->bytesPerSample );
@ -1856,7 +1912,12 @@ static int encode_audio_frame( int16_t *audioOut, int numSamples)
ret = av_samples_copy( ost->frame->data, ost->tmp_frame->data,
ost->frame->nb_samples, srcOffset, copySize,
ost->frame->channels, ost->enc->sample_fmt );
#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(57, 28, 100)
ost->frame->channels,
#else
ost->frame->ch_layout.nb_channels,
#endif
ost->enc->sample_fmt );
if ( ret < 0 )
{
@ -3093,6 +3154,7 @@ void LibavOptionsPage::initChannelLayoutSelect( const char *codec_name )
{
return;
}
#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(57, 28, 100)
if ( c->channel_layouts )
{
int i=0;
@ -3111,7 +3173,27 @@ void LibavOptionsPage::initChannelLayoutSelect( const char *codec_name )
}
i++;
}
}
#else
const AVChannelLayout *p = c->ch_layouts;
while (p && p->nb_channels)
{
char layoutDesc[256];
av_channel_layout_describe(p, layoutDesc, sizeof(layoutDesc));
audioChanLayout->addItem( tr(layoutDesc), (unsigned long long)p->u.mask );
if ( LIBAV::audio_st.chanLayout == p->u.mask )
{
audioChanLayout->setCurrentIndex( audioChanLayout->count() - 1 );
formatOk = true;
}
p++;
}
#endif
if ( !formatOk )
{
LIBAV::audio_st.chanLayout = -1;