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3rdparty/cubeb: Sync to 19fcbef 

Backport of 872cee908c

And apply PR #740 (Re-enable and polish IAudioClient3 to achieve lower
latencies).

`*latency_frames = min_period;` in wasapi_get_min_latency was changed to
`*latency_frames = hns_to_frames(params.rate, min_period_rt);`, as
otherwise it reports in mixer frames, not stream frames.
This commit is contained in:
Stenzek 2024-05-15 07:45:16 +10:00 committed by Connor McLaughlin
parent f084e76f36
commit c573c00eb0
14 changed files with 502 additions and 156 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
3rdparty/cubeb/CMakeLists.txt vendored
View File

@ -37,15 +37,15 @@ target_include_directories(cubeb
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> $<INSTALL_INTERFACE:include>
)
add_library(speex OBJECT subprojects/speex/resample.c)
set_target_properties(speex PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
target_include_directories(speex INTERFACE subprojects)
target_compile_definitions(speex PUBLIC
add_library(speex OBJECT subprojects/speex/resample.c)
set_target_properties(speex PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
target_include_directories(speex INTERFACE subprojects)
target_compile_definitions(speex PUBLIC
OUTSIDE_SPEEX
FLOATING_POINT
EXPORT=
RANDOM_PREFIX=speex
)
)
# $<BUILD_INTERFACE:> required because of https://gitlab.kitware.com/cmake/cmake/-/issues/15415
target_link_libraries(cubeb PRIVATE $<BUILD_INTERFACE:speex>)
@ -58,15 +58,18 @@ find_package(Threads)
target_link_libraries(cubeb PRIVATE Threads::Threads)
if(LAZY_LOAD_LIBS)
if(NOT APPLE AND NOT WIN32)
# Skip checks on MacOS because it takes ages in XCode.
if(NOT APPLE AND NOT WIN32) # Skip checks on MacOS because it takes ages in XCode.
check_include_files(pulse/pulseaudio.h USE_PULSE)
check_include_files(alsa/asoundlib.h USE_ALSA)
check_include_files(jack/jack.h USE_JACK)
check_include_files(sndio.h USE_SNDIO)
if(USE_PULSE OR USE_ALSA OR USE_JACK OR USE_SNDIO)
if(USE_PULSE OR USE_ALSA OR USE_JACK OR USE_SNDIO OR USE_AAUDIO)
target_link_libraries(cubeb PRIVATE ${CMAKE_DL_LIBS})
if(ANDROID)
target_compile_definitions(cubeb PRIVATE __ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__)
endif()
endif()
endif()
@ -123,37 +126,37 @@ if(USE_SNDIO)
endif()
if(APPLE)
check_include_files(AudioUnit/AudioUnit.h USE_AUDIOUNIT)
if(USE_AUDIOUNIT)
check_include_files(AudioUnit/AudioUnit.h USE_AUDIOUNIT)
if(USE_AUDIOUNIT)
target_sources(cubeb PRIVATE
src/cubeb_audiounit.cpp
src/cubeb_osx_run_loop.cpp)
target_compile_definitions(cubeb PRIVATE USE_AUDIOUNIT)
target_link_libraries(cubeb PRIVATE "-framework AudioUnit" "-framework CoreAudio" "-framework CoreServices")
endif()
endif()
endif()
if(WIN32)
check_include_files(audioclient.h USE_WASAPI)
if(USE_WASAPI)
check_include_files(audioclient.h USE_WASAPI)
if(USE_WASAPI)
target_sources(cubeb PRIVATE
src/cubeb_wasapi.cpp)
target_compile_definitions(cubeb PRIVATE USE_WASAPI)
target_link_libraries(cubeb PRIVATE avrt ole32 ksuser)
endif()
target_link_libraries(cubeb PRIVATE ole32 ksuser)
endif()
check_include_files("windows.h;mmsystem.h" USE_WINMM)
if(USE_WINMM)
check_include_files("windows.h;mmsystem.h" USE_WINMM)
if(USE_WINMM)
target_sources(cubeb PRIVATE
src/cubeb_winmm.c)
target_compile_definitions(cubeb PRIVATE USE_WINMM)
target_link_libraries(cubeb PRIVATE winmm)
endif()
endif()
endif()
if(NOT WIN32 AND NOT APPLE)
check_include_files(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
if(HAVE_SYS_SOUNDCARD_H)
check_include_files(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
if(HAVE_SYS_SOUNDCARD_H)
try_compile(USE_OSS "${PROJECT_BINARY_DIR}/compile_tests"
${PROJECT_SOURCE_DIR}/cmake/compile_tests/oss_is_v4.c)
if(USE_OSS)
@ -174,5 +177,5 @@ if(NOT WIN32 AND NOT APPLE)
target_compile_definitions(cubeb PRIVATE USE_OSS)
endif()
endif()
endif()
endif()
endif()

50
3rdparty/cubeb/include/cubeb/cubeb.h vendored
View File

@ -258,11 +258,23 @@ typedef enum {
the jack backend. */
} cubeb_stream_prefs;
/**
* Input stream audio processing parameters. Only applicable with
* CUBEB_STREAM_PREF_VOICE.
*/
typedef enum {
CUBEB_INPUT_PROCESSING_PARAM_NONE = 0x00,
CUBEB_INPUT_PROCESSING_PARAM_ECHO_CANCELLATION = 0x01,
CUBEB_INPUT_PROCESSING_PARAM_NOISE_SUPPRESSION = 0x02,
CUBEB_INPUT_PROCESSING_PARAM_AUTOMATIC_GAIN_CONTROL = 0x04,
CUBEB_INPUT_PROCESSING_PARAM_VOICE_ISOLATION = 0x08,
} cubeb_input_processing_params;
/** Stream format initialization parameters. */
typedef struct {
cubeb_sample_format format; /**< Requested sample format. One of
#cubeb_sample_format. */
uint32_t rate; /**< Requested sample rate. Valid range is [1000, 192000]. */
uint32_t rate; /**< Requested sample rate. Valid range is [1000, 384000]. */
uint32_t channels; /**< Requested channel count. Valid range is [1, 8]. */
cubeb_channel_layout
layout; /**< Requested channel layout. This must be consistent with the
@ -519,6 +531,18 @@ cubeb_get_min_latency(cubeb * context, cubeb_stream_params * params,
CUBEB_EXPORT int
cubeb_get_preferred_sample_rate(cubeb * context, uint32_t * rate);
/** Get the supported input processing features for this backend. See
cubeb_stream_set_input_processing for how to set them for a particular input
stream.
@param context A pointer to the cubeb context.
@param params Out parameter for the input processing params supported by
this backend.
@retval CUBEB_OK
@retval CUBEB_ERROR_NOT_SUPPORTED */
CUBEB_EXPORT int
cubeb_get_supported_input_processing_params(
cubeb * context, cubeb_input_processing_params * params);
/** Destroy an application context. This must be called after all stream have
* been destroyed.
@param context A pointer to the cubeb context.*/
@ -646,6 +670,30 @@ CUBEB_EXPORT int
cubeb_stream_get_current_device(cubeb_stream * stm,
cubeb_device ** const device);
/** Set input mute state for this stream. Some platforms notify the user when an
application is accessing audio input. When all inputs are muted they can
prove to the user that the application is not actively capturing any input.
@param stream the stream for which to set input mute state
@param muted whether the input should mute or not
@retval CUBEB_OK
@retval CUBEB_ERROR_INVALID_PARAMETER if this stream does not have an input
device
@retval CUBEB_ERROR_NOT_SUPPORTED */
CUBEB_EXPORT int
cubeb_stream_set_input_mute(cubeb_stream * stream, int mute);
/** Set what input processing features to enable for this stream.
@param stream the stream for which to set input processing features.
@param params what input processing features to use
@retval CUBEB_OK
@retval CUBEB_ERROR if params could not be applied
@retval CUBEB_ERROR_INVALID_PARAMETER if a given param is not supported by
this backend, or if this stream does not have an input device
@retval CUBEB_ERROR_NOT_SUPPORTED */
CUBEB_EXPORT int
cubeb_stream_set_input_processing_params(cubeb_stream * stream,
cubeb_input_processing_params params);
/** Destroy a cubeb_device structure.
@param stream the stream passed in cubeb_stream_get_current_device
@param devices the devices to destroy

5
3rdparty/cubeb/src/cubeb-internal.h vendored
View File

@ -40,6 +40,8 @@ struct cubeb_ops {
int (*get_min_latency)(cubeb * context, cubeb_stream_params params,
uint32_t * latency_ms);
int (*get_preferred_sample_rate)(cubeb * context, uint32_t * rate);
int (*get_supported_input_processing_params)(
cubeb * context, cubeb_input_processing_params * params);
int (*enumerate_devices)(cubeb * context, cubeb_device_type type,
cubeb_device_collection * collection);
int (*device_collection_destroy)(cubeb * context,
@ -62,6 +64,9 @@ struct cubeb_ops {
int (*stream_set_name)(cubeb_stream * stream, char const * stream_name);
int (*stream_get_current_device)(cubeb_stream * stream,
cubeb_device ** const device);
int (*stream_set_input_mute)(cubeb_stream * stream, int mute);
int (*stream_set_input_processing_params)(
cubeb_stream * stream, cubeb_input_processing_params params);
int (*stream_device_destroy)(cubeb_stream * stream, cubeb_device * device);
int (*stream_register_device_changed_callback)(
cubeb_stream * stream,

52
3rdparty/cubeb/src/cubeb.c vendored
View File

@ -67,7 +67,7 @@ validate_stream_params(cubeb_stream_params * input_stream_params,
XASSERT(input_stream_params || output_stream_params);
if (output_stream_params) {
if (output_stream_params->rate < 1000 ||
output_stream_params->rate > 192000 ||
output_stream_params->rate > 768000 ||
output_stream_params->channels < 1 ||
output_stream_params->channels > UINT8_MAX) {
return CUBEB_ERROR_INVALID_FORMAT;
@ -75,7 +75,7 @@ validate_stream_params(cubeb_stream_params * input_stream_params,
}
if (input_stream_params) {
if (input_stream_params->rate < 1000 ||
input_stream_params->rate > 192000 ||
input_stream_params->rate > 768000 ||
input_stream_params->channels < 1 ||
input_stream_params->channels > UINT8_MAX) {
return CUBEB_ERROR_INVALID_FORMAT;
@ -239,9 +239,6 @@ cubeb_get_backend_names()
#if defined(USE_SNDIO)
"sndio",
#endif
#if defined(USE_SUN)
"sun",
#endif
#if defined(USE_OSS)
"oss",
#endif
@ -304,6 +301,21 @@ cubeb_get_preferred_sample_rate(cubeb * context, uint32_t * rate)
return context->ops->get_preferred_sample_rate(context, rate);
}
int
cubeb_get_supported_input_processing_params(
cubeb * context, cubeb_input_processing_params * params)
{
if (!context || !params) {
return CUBEB_ERROR_INVALID_PARAMETER;
}
if (!context->ops->get_supported_input_processing_params) {
return CUBEB_ERROR_NOT_SUPPORTED;
}
return context->ops->get_supported_input_processing_params(context, params);
}
void
cubeb_destroy(cubeb * context)
{
@ -463,6 +475,36 @@ cubeb_stream_get_current_device(cubeb_stream * stream,
return stream->context->ops->stream_get_current_device(stream, device);
}
int
cubeb_stream_set_input_mute(cubeb_stream * stream, int mute)
{
if (!stream) {
return CUBEB_ERROR_INVALID_PARAMETER;
}
if (!stream->context->ops->stream_set_input_mute) {
return CUBEB_ERROR_NOT_SUPPORTED;
}
return stream->context->ops->stream_set_input_mute(stream, mute);
}
int
cubeb_stream_set_input_processing_params(cubeb_stream * stream,
cubeb_input_processing_params params)
{
if (!stream) {
return CUBEB_ERROR_INVALID_PARAMETER;
}
if (!stream->context->ops->stream_set_input_processing_params) {
return CUBEB_ERROR_NOT_SUPPORTED;
}
return stream->context->ops->stream_set_input_processing_params(stream,
params);
}
int
cubeb_stream_device_destroy(cubeb_stream * stream, cubeb_device * device)
{

3
3rdparty/cubeb/src/cubeb_alsa.c vendored
View File

@ -1472,6 +1472,7 @@ static struct cubeb_ops const alsa_ops = {
.get_max_channel_count = alsa_get_max_channel_count,
.get_min_latency = alsa_get_min_latency,
.get_preferred_sample_rate = alsa_get_preferred_sample_rate,
.get_supported_input_processing_params = NULL,
.enumerate_devices = alsa_enumerate_devices,
.device_collection_destroy = alsa_device_collection_destroy,
.destroy = alsa_destroy,
@ -1485,6 +1486,8 @@ static struct cubeb_ops const alsa_ops = {
.stream_set_volume = alsa_stream_set_volume,
.stream_set_name = NULL,
.stream_get_current_device = NULL,
.stream_set_input_mute = NULL,
.stream_set_input_processing_params = NULL,
.stream_device_destroy = NULL,
.stream_register_device_changed_callback = NULL,
.register_device_collection_changed = NULL};

29
3rdparty/cubeb/src/cubeb_audiounit.cpp vendored
View File

@ -377,6 +377,15 @@ cubeb_channel_to_channel_label(cubeb_channel channel)
}
}
bool
is_common_sample_rate(Float64 sample_rate)
{
/* Some commonly used sample rates and their multiples and divisors. */
return sample_rate == 8000 || sample_rate == 16000 || sample_rate == 22050 ||
sample_rate == 32000 || sample_rate == 44100 || sample_rate == 48000 ||
sample_rate == 88200 || sample_rate == 96000;
}
#if TARGET_OS_IPHONE
typedef UInt32 AudioDeviceID;
typedef UInt32 AudioObjectID;
@ -2502,6 +2511,12 @@ audiounit_configure_output(cubeb_stream * stm)
return CUBEB_ERROR;
}
stm->output_hw_rate = output_hw_desc.mSampleRate;
if (!is_common_sample_rate(stm->output_desc.mSampleRate)) {
/* For uncommon sample rates, we may run into issues with the OS
resampler if we don't do the resampling ourselves, so set the
AudioUnit sample rate to the hardware rate and resample. */
stm->output_desc.mSampleRate = stm->output_hw_rate;
}
LOG("(%p) Output device sampling rate: %.2f", stm,
output_hw_desc.mSampleRate);
stm->context->channels = output_hw_desc.mChannelsPerFrame;
@ -2709,11 +2724,16 @@ audiounit_setup_stream(cubeb_stream * stm)
input_unconverted_params.rate = stm->input_hw_rate;
}
/* Create resampler. Output params are unchanged
* because we do not need conversion on the output. */
cubeb_stream_params output_unconverted_params;
if (has_output(stm)) {
output_unconverted_params = stm->output_stream_params;
output_unconverted_params.rate = stm->output_desc.mSampleRate;
}
/* Create resampler. */
stm->resampler.reset(cubeb_resampler_create(
stm, has_input(stm) ? &input_unconverted_params : NULL,
has_output(stm) ? &stm->output_stream_params : NULL, target_sample_rate,
has_output(stm) ? &output_unconverted_params : NULL, target_sample_rate,
stm->data_callback, stm->user_ptr, CUBEB_RESAMPLER_QUALITY_DESKTOP,
CUBEB_RESAMPLER_RECLOCK_NONE));
if (!stm->resampler) {
@ -3665,6 +3685,7 @@ cubeb_ops const audiounit_ops = {
/*.get_max_channel_count =*/audiounit_get_max_channel_count,
/*.get_min_latency =*/audiounit_get_min_latency,
/*.get_preferred_sample_rate =*/audiounit_get_preferred_sample_rate,
/*.get_supported_input_processing_params =*/NULL,
/*.enumerate_devices =*/audiounit_enumerate_devices,
/*.device_collection_destroy =*/audiounit_device_collection_destroy,
/*.destroy =*/audiounit_destroy,
@ -3678,6 +3699,8 @@ cubeb_ops const audiounit_ops = {
/*.stream_set_volume =*/audiounit_stream_set_volume,
/*.stream_set_name =*/NULL,
/*.stream_get_current_device =*/audiounit_stream_get_current_device,
/*.stream_set_input_mute =*/NULL,
/*.stream_set_input_processing_params =*/NULL,
/*.stream_device_destroy =*/audiounit_stream_device_destroy,
/*.stream_register_device_changed_callback =*/
audiounit_stream_register_device_changed_callback,

17
3rdparty/cubeb/src/cubeb_jack.cpp vendored
View File

@ -160,6 +160,7 @@ static struct cubeb_ops const cbjack_ops = {
.get_max_channel_count = cbjack_get_max_channel_count,
.get_min_latency = cbjack_get_min_latency,
.get_preferred_sample_rate = cbjack_get_preferred_sample_rate,
.get_supported_input_processing_params = NULL,
.enumerate_devices = cbjack_enumerate_devices,
.device_collection_destroy = cbjack_device_collection_destroy,
.destroy = cbjack_destroy,
@ -173,6 +174,8 @@ static struct cubeb_ops const cbjack_ops = {
.stream_set_volume = cbjack_stream_set_volume,
.stream_set_name = NULL,
.stream_get_current_device = cbjack_stream_get_current_device,
.stream_set_input_mute = NULL,
.stream_set_input_processing_params = NULL,
.stream_device_destroy = cbjack_stream_device_destroy,
.stream_register_device_changed_callback = NULL,
.register_device_collection_changed = NULL};
@ -431,20 +434,24 @@ cbjack_process(jack_nframes_t nframes, void * arg)
if (stm->devs & OUT_ONLY) {
for (unsigned int c = 0; c < stm->out_params.channels; c++) {
float * buffer_out = bufs_out[c];
if (buffer_out) {
for (long f = 0; f < nframes; f++) {
buffer_out[f] = 0.f;
}
}
}
}
if (stm->devs & IN_ONLY) {
// paused, capture silence
for (unsigned int c = 0; c < stm->in_params.channels; c++) {
float * buffer_in = bufs_in[c];
if (buffer_in) {
for (long f = 0; f < nframes; f++) {
buffer_in[f] = 0.f;
}
}
}
}
} else {
// try to lock stream mutex
@ -493,15 +500,18 @@ cbjack_process(jack_nframes_t nframes, void * arg)
if (stm->devs & OUT_ONLY) {
for (unsigned int c = 0; c < stm->out_params.channels; c++) {
float * buffer_out = bufs_out[c];
if (buffer_out) {
for (long f = 0; f < nframes; f++) {
buffer_out[f] = 0.f;
}
}
}
}
if (stm->devs & IN_ONLY) {
// capture silence
for (unsigned int c = 0; c < stm->in_params.channels; c++) {
float * buffer_in = bufs_in[c];
if (buffer_in) {
for (long f = 0; f < nframes; f++) {
buffer_in[f] = 0.f;
}
@ -510,6 +520,7 @@ cbjack_process(jack_nframes_t nframes, void * arg)
}
}
}
}
return 0;
}
@ -542,24 +553,30 @@ cbjack_deinterleave_playback_refill_float(cubeb_stream * stream, float ** in,
for (unsigned int c = 0; c < stream->out_params.channels; c++) {
float * buffer = bufs_out[c];
for (long f = 0; f < done_frames; f++) {
if (buffer) {
buffer[f] =
out_interleaved_buffer[(f * stream->out_params.channels) + c] *
stream->volume;
}
}
if (done_frames < needed_frames) {
// draining
for (long f = done_frames; f < needed_frames; f++) {
if (buffer) {
buffer[f] = 0.f;
}
}
}
if (done_frames == 0) {
// stop, but first zero out the existing buffer
for (long f = 0; f < needed_frames; f++) {
if (buffer) {
buffer[f] = 0.f;
}
}
}
}
}
if (done_frames >= 0 && done_frames < needed_frames) {
// set drained

3
3rdparty/cubeb/src/cubeb_oss.c vendored
View File

@ -1335,6 +1335,7 @@ static struct cubeb_ops const oss_ops = {
.get_max_channel_count = oss_get_max_channel_count,
.get_min_latency = oss_get_min_latency,
.get_preferred_sample_rate = oss_get_preferred_sample_rate,
.get_supported_input_processing_params = NULL,
.enumerate_devices = oss_enumerate_devices,
.device_collection_destroy = oss_device_collection_destroy,
.destroy = oss_destroy,
@ -1348,6 +1349,8 @@ static struct cubeb_ops const oss_ops = {
.stream_set_volume = oss_stream_set_volume,
.stream_set_name = NULL,
.stream_get_current_device = oss_get_current_device,
.stream_set_input_mute = NULL,
.stream_set_input_processing_params = NULL,
.stream_device_destroy = oss_stream_device_destroy,
.stream_register_device_changed_callback = NULL,
.register_device_collection_changed = NULL};

3
3rdparty/cubeb/src/cubeb_pulse.c vendored
View File

@ -1690,6 +1690,7 @@ static struct cubeb_ops const pulse_ops = {
.get_max_channel_count = pulse_get_max_channel_count,
.get_min_latency = pulse_get_min_latency,
.get_preferred_sample_rate = pulse_get_preferred_sample_rate,
.get_supported_input_processing_params = NULL,
.enumerate_devices = pulse_enumerate_devices,
.device_collection_destroy = pulse_device_collection_destroy,
.destroy = pulse_destroy,
@ -1703,6 +1704,8 @@ static struct cubeb_ops const pulse_ops = {
.stream_set_volume = pulse_stream_set_volume,
.stream_set_name = pulse_stream_set_name,
.stream_get_current_device = pulse_stream_get_current_device,
.stream_set_input_mute = NULL,
.stream_set_input_processing_params = NULL,
.stream_device_destroy = pulse_stream_device_destroy,
.stream_register_device_changed_callback = NULL,
.register_device_collection_changed =

3
3rdparty/cubeb/src/cubeb_sndio.c vendored
View File

@ -667,6 +667,7 @@ static struct cubeb_ops const sndio_ops = {
.get_max_channel_count = sndio_get_max_channel_count,
.get_min_latency = sndio_get_min_latency,
.get_preferred_sample_rate = sndio_get_preferred_sample_rate,
.get_supported_input_processing_params = NULL,
.enumerate_devices = sndio_enumerate_devices,
.device_collection_destroy = sndio_device_collection_destroy,
.destroy = sndio_destroy,
@ -679,6 +680,8 @@ static struct cubeb_ops const sndio_ops = {
.stream_set_volume = sndio_stream_set_volume,
.stream_set_name = NULL,
.stream_get_current_device = NULL,
.stream_set_input_mute = NULL,
.stream_set_input_processing_params = NULL,
.stream_device_destroy = NULL,
.stream_register_device_changed_callback = NULL,
.register_device_collection_changed = NULL};

7
3rdparty/cubeb/src/cubeb_triple_buffer.h vendored
View File

@ -42,6 +42,13 @@ public:
{
return (shared_state.load(std::memory_order_relaxed) & BACK_DIRTY_BIT) != 0;
}
// Reset state and indices to initial values.
void invalidate()
{
shared_state.store(0, std::memory_order_release);
input_idx = 1;
output_idx = 2;
}
private:
// Publish a value to the consumer. Returns true if the data was overwritten

13
3rdparty/cubeb/src/cubeb_utils.h vendored
View File

@ -182,7 +182,9 @@ public:
if (length_ + length > capacity_) {
reserve(length_ + length);
}
if (data_) {
PodCopy(data_ + length_, elements, length);
}
length_ += length;
}
@ -195,12 +197,14 @@ public:
if (length_ + length > capacity_) {
reserve(length + length_);
}
if (data_) {
PodZero(data_ + length_, length);
}
length_ += length;
}
/** Prepend `length` zero-ed elements to the end of the array, resizing the
* array if needed.
/** Prepend `length` zero-ed elements to the front of the array, resizing and
* shifting the array if needed.
* @parameter length the number of elements to prepend to the array.
*/
void push_front_silence(size_t length)
@ -208,8 +212,10 @@ public:
if (length_ + length > capacity_) {
reserve(length + length_);
}
if (data_) {
PodMove(data_ + length, data_, length_);
PodZero(data_, length);
}
length_ += length;
}
@ -227,6 +233,9 @@ public:
if (length > length_) {
return false;
}
if (!data_) {
return true;
}
if (elements) {
PodCopy(elements, data_, length);
}

299
3rdparty/cubeb/src/cubeb_wasapi.cpp vendored
View File

@ -37,6 +37,31 @@
#include "cubeb_tracing.h"
#include "cubeb_utils.h"
// Some people have reported glitches with IAudioClient3 capture streams:
// http://blog.nirbheek.in/2018/03/low-latency-audio-on-windows-with.html
// https://bugzilla.mozilla.org/show_bug.cgi?id=1590902
#define ALLOW_AUDIO_CLIENT_3_FOR_INPUT 0
// IAudioClient3::GetSharedModeEnginePeriod() seem to return min latencies
// bigger than IAudioClient::GetDevicePeriod(), which is confusing (10ms vs
// 3ms), though the default latency is usually the same and we should use the
// IAudioClient3 function anyway, as it's more correct
#define USE_AUDIO_CLIENT_3_MIN_PERIOD 1
// If this is true, we allow IAudioClient3 the creation of sessions with a
// latency above the default one (usually 10ms).
// Whether we should default this to true or false depend on many things:
// -Does creating a shared IAudioClient3 session (not locked to a format)
// actually forces all the IAudioClient(1) sessions to have the same latency?
// I could find no proof of that.
// -Does creating a shared IAudioClient3 session with a latency >= the default
// one actually improve the latency (as in how late the audio is) at all?
// -Maybe we could expose this as cubeb stream pref
// (e.g. take priority over other apps)?
#define ALLOW_AUDIO_CLIENT_3_LATENCY_OVER_DEFAULT 1
// If this is true and the user specified a target latency >= the IAudioClient3
// max one, then we reject it and fall back to IAudioClient(1). There wouldn't
// be much point in having a low latency if that's not what the user wants.
#define REJECT_AUDIO_CLIENT_3_LATENCY_OVER_MAX 0
// Windows 10 exposes the IAudioClient3 interface to create low-latency streams.
// Copy the interface definition from audioclient.h here to make the code
// simpler and so that we can still access IAudioClient3 via COM if cubeb was
@ -204,6 +229,11 @@ struct auto_stream_ref {
cubeb_stream * stm;
};
using set_mm_thread_characteristics_function =
decltype(&AvSetMmThreadCharacteristicsW);
using revert_mm_thread_characteristics_function =
decltype(&AvRevertMmThreadCharacteristics);
extern cubeb_ops const wasapi_ops;
static com_heap_ptr<wchar_t>
@ -301,6 +331,13 @@ struct cubeb {
nullptr;
void * output_collection_changed_user_ptr = nullptr;
UINT64 performance_counter_frequency;
/* Library dynamically opened to increase the render thread priority, and
the two function pointers we need. */
HMODULE mmcss_module = nullptr;
set_mm_thread_characteristics_function set_mm_thread_characteristics =
nullptr;
revert_mm_thread_characteristics_function revert_mm_thread_characteristics =
nullptr;
};
class wasapi_endpoint_notification_client;
@ -1350,10 +1387,8 @@ refill_callback_output(cubeb_stream * stm)
long got = refill(stm, nullptr, 0, output_buffer, output_frames);
if (got != output_frames) {
ALOGV("Output callback: output frames requested: %Iu, got %ld", output_frames,
got);
}
if (got < 0) {
return false;
}
@ -1403,7 +1438,8 @@ static unsigned int __stdcall wasapi_stream_render_loop(LPVOID stream)
/* We could consider using "Pro Audio" here for WebAudio and
maybe WebRTC. */
mmcss_handle = AvSetMmThreadCharacteristicsA("Audio", &mmcss_task_index);
mmcss_handle =
stm->context->set_mm_thread_characteristics(L"Audio", &mmcss_task_index);
if (!mmcss_handle) {
/* This is not fatal, but we might glitch under heavy load. */
LOG("Unable to use mmcss to bump the render thread priority: %lx",
@ -1511,7 +1547,7 @@ static unsigned int __stdcall wasapi_stream_render_loop(LPVOID stream)
}
if (mmcss_handle) {
AvRevertMmThreadCharacteristics(mmcss_handle);
stm->context->revert_mm_thread_characteristics(mmcss_handle);
}
if (FAILED(hr)) {
@ -1524,6 +1560,18 @@ static unsigned int __stdcall wasapi_stream_render_loop(LPVOID stream)
void
wasapi_destroy(cubeb * context);
HANDLE WINAPI
set_mm_thread_characteristics_noop(LPCWSTR, LPDWORD mmcss_task_index)
{
return (HANDLE)1;
}
BOOL WINAPI
revert_mm_thread_characteristics_noop(HANDLE mmcss_handle)
{
return true;
}
HRESULT
register_notification_client(cubeb_stream * stm)
{
@ -1759,6 +1807,31 @@ wasapi_init(cubeb ** context, char const * context_name)
ctx->performance_counter_frequency = 0;
}
ctx->mmcss_module = LoadLibraryW(L"Avrt.dll");
bool success = false;
if (ctx->mmcss_module) {
ctx->set_mm_thread_characteristics =
reinterpret_cast<set_mm_thread_characteristics_function>(
GetProcAddress(ctx->mmcss_module, "AvSetMmThreadCharacteristicsW"));
ctx->revert_mm_thread_characteristics =
reinterpret_cast<revert_mm_thread_characteristics_function>(
GetProcAddress(ctx->mmcss_module,
"AvRevertMmThreadCharacteristics"));
success = ctx->set_mm_thread_characteristics &&
ctx->revert_mm_thread_characteristics;
}
if (!success) {
// This is not a fatal error, but we might end up glitching when
// the system is under high load.
LOG("Could not load avrt.dll or fetch AvSetMmThreadCharacteristicsW "
"AvRevertMmThreadCharacteristics: %lx",
GetLastError());
ctx->set_mm_thread_characteristics = &set_mm_thread_characteristics_noop;
ctx->revert_mm_thread_characteristics =
&revert_mm_thread_characteristics_noop;
}
*context = ctx;
return CUBEB_OK;
@ -1815,6 +1888,10 @@ wasapi_destroy(cubeb * context)
}
}
if (context->mmcss_module) {
FreeLibrary(context->mmcss_module);
}
delete context;
}
@ -1872,6 +1949,44 @@ wasapi_get_min_latency(cubeb * ctx, cubeb_stream_params params,
return CUBEB_ERROR;
}
#if USE_AUDIO_CLIENT_3_MIN_PERIOD
// This is unreliable as we can't know the actual mixer format cubeb will
// ask for later on (nor we can branch on ALLOW_AUDIO_CLIENT_3_FOR_INPUT),
// and the min latency can change based on that.
com_ptr<IAudioClient3> client3;
hr = device->Activate(__uuidof(IAudioClient3), CLSCTX_INPROC_SERVER, NULL,
client3.receive_vpp());
if (SUCCEEDED(hr)) {
WAVEFORMATEX * mix_format = nullptr;
hr = client3->GetMixFormat(&mix_format);
if (SUCCEEDED(hr)) {
uint32_t default_period = 0, fundamental_period = 0, min_period = 0,
max_period = 0;
hr = client3->GetSharedModeEnginePeriod(mix_format, &default_period,
&fundamental_period, &min_period,
&max_period);
auto sample_rate = mix_format->nSamplesPerSec;
CoTaskMemFree(mix_format);
if (SUCCEEDED(hr)) {
// Print values in the same format as IAudioDevice::GetDevicePeriod()
REFERENCE_TIME min_period_rt(frames_to_hns(sample_rate, min_period));
REFERENCE_TIME default_period_rt(
frames_to_hns(sample_rate, default_period));
LOG("default device period: %I64d, minimum device period: %I64d",
default_period_rt, min_period_rt);
*latency_frames = hns_to_frames(params.rate, min_period_rt);
LOG("Minimum latency in frames: %u", *latency_frames);
return CUBEB_OK;
}
}
}
#endif
com_ptr<IAudioClient> client;
hr = device->Activate(__uuidof(IAudioClient), CLSCTX_INPROC_SERVER, NULL,
client.receive_vpp());
@ -1891,18 +2006,8 @@ wasapi_get_min_latency(cubeb * ctx, cubeb_stream_params params,
LOG("default device period: %I64d, minimum device period: %I64d",
default_period, minimum_period);
/* If we're on Windows 10, we can use IAudioClient3 to get minimal latency.
Otherwise, according to the docs, the best latency we can achieve is by
synchronizing the stream and the engine.
http://msdn.microsoft.com/en-us/library/windows/desktop/dd370871%28v=vs.85%29.aspx
*/
// #ifdef _WIN32_WINNT_WIN10
#if 0
*latency_frames = hns_to_frames(params.rate, minimum_period);
#else
// The minimum_period is only relevant in exclusive streams.
*latency_frames = hns_to_frames(params.rate, default_period);
#endif
LOG("Minimum latency in frames: %u", *latency_frames);
@ -1992,7 +2097,10 @@ handle_channel_layout(cubeb_stream * stm, EDataFlow direction,
if (hr == S_FALSE) {
/* Channel layout not supported, but WASAPI gives us a suggestion. Use it,
and handle the eventual upmix/downmix ourselves. Ignore the subformat of
the suggestion, since it seems to always be IEEE_FLOAT. */
the suggestion, since it seems to always be IEEE_FLOAT.
This fallback doesn't update the bit depth, so if a device
only supported bit depths cubeb doesn't support, so IAudioClient3
streams might fail */
LOG("Using WASAPI suggested format: channels: %d", closest->nChannels);
XASSERT(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE);
WAVEFORMATEXTENSIBLE * closest_pcm =
@ -2036,12 +2144,12 @@ initialize_iaudioclient2(com_ptr<IAudioClient> & audio_client)
return CUBEB_OK;
}
#if 0
bool
initialize_iaudioclient3(com_ptr<IAudioClient> & audio_client,
cubeb_stream * stm,
const com_heap_ptr<WAVEFORMATEX> & mix_format,
DWORD flags, EDataFlow direction)
DWORD flags, EDataFlow direction,
REFERENCE_TIME latency_hns)
{
com_ptr<IAudioClient3> audio_client3;
audio_client->QueryInterface<IAudioClient3>(audio_client3.receive());
@ -2057,24 +2165,22 @@ initialize_iaudioclient3(com_ptr<IAudioClient> & audio_client,
return false;
}
// Some people have reported glitches with capture streams:
// http://blog.nirbheek.in/2018/03/low-latency-audio-on-windows-with.html
if (direction == eCapture) {
LOG("Audio stream is capture, not using IAudioClient3");
return false;
}
// Possibly initialize a shared-mode stream using IAudioClient3. Initializing
// a stream this way lets you request lower latencies, but also locks the
// global WASAPI engine at that latency.
// - If we request a shared-mode stream, streams created with IAudioClient
// will
// have their latency adjusted to match. When the shared-mode stream is
// closed, they'll go back to normal.
// - If there's already a shared-mode stream running, then we cannot request
// the engine change to a different latency - we have to match it.
// - It's antisocial to lock the WASAPI engine at its default latency. If we
// would do this, then stop and use IAudioClient instead.
// might have their latency adjusted to match. When the shared-mode stream
// is closed, they'll go back to normal.
// - If there's already a shared-mode stream running, if it created with the
// AUDCLNT_STREAMOPTIONS_MATCH_FORMAT option, the audio engine would be
// locked to that format, so we have to match it (a custom one would fail).
// - We don't lock the WASAPI engine to a format, as it's antisocial towards
// other apps, especially if we locked to a latency >= than its default.
// - If the user requested latency is >= the default one, we might still
// accept it (without locking the format) depending on
// ALLOW_AUDIO_CLIENT_3_LATENCY_OVER_DEFAULT, as we might want to prioritize
// to lower our latency over other apps
// (there might still be latency advantages compared to IAudioDevice(1)).
HRESULT hr;
uint32_t default_period = 0, fundamental_period = 0, min_period = 0,
@ -2086,28 +2192,59 @@ initialize_iaudioclient3(com_ptr<IAudioClient> & audio_client,
LOG("Could not get shared mode engine period: error: %lx", hr);
return false;
}
uint32_t requested_latency = stm->latency;
uint32_t requested_latency =
hns_to_frames(mix_format->nSamplesPerSec, latency_hns);
#if !ALLOW_AUDIO_CLIENT_3_LATENCY_OVER_DEFAULT
if (requested_latency >= default_period) {
LOG("Requested latency %i greater than default latency %i, not using "
"IAudioClient3",
LOG("Requested latency %i equal or greater than default latency %i,"
" not using IAudioClient3",
requested_latency, default_period);
return false;
}
#elif REJECT_AUDIO_CLIENT_3_LATENCY_OVER_MAX
if (requested_latency > max_period) {
// Fallback to IAudioClient(1) as it's more accepting of large latencies
LOG("Requested latency %i greater than max latency %i,"
" not using IAudioClient3",
requested_latency, max_period);
return false;
}
#endif
LOG("Got shared mode engine period: default=%i fundamental=%i min=%i max=%i",
default_period, fundamental_period, min_period, max_period);
// Snap requested latency to a valid value
uint32_t old_requested_latency = requested_latency;
// The period is required to be a multiple of the fundamental period
// (and >= min and <= max, which should still be true)
requested_latency -= requested_latency % fundamental_period;
if (requested_latency < min_period) {
requested_latency = min_period;
}
requested_latency -= (requested_latency - min_period) % fundamental_period;
// Likely unnecessary, but won't hurt
if (requested_latency > max_period) {
requested_latency = max_period;
}
if (requested_latency != old_requested_latency) {
LOG("Requested latency %i was adjusted to %i", old_requested_latency,
requested_latency);
}
DWORD new_flags = flags;
// Always add these flags to IAudioClient3, they might help
// if the stream doesn't have the same format as the audio engine.
new_flags |= AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM;
new_flags |= AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY;
hr = audio_client3->InitializeSharedAudioStream(new_flags, requested_latency,
mix_format.get(), NULL);
// This error should be returned first even if
// the period was locked (AUDCLNT_E_ENGINE_PERIODICITY_LOCKED)
if (hr == AUDCLNT_E_INVALID_STREAM_FLAG) {
LOG("Got AUDCLNT_E_INVALID_STREAM_FLAG, removing some flags");
hr = audio_client3->InitializeSharedAudioStream(flags, requested_latency,
mix_format.get(), NULL);
}
if (SUCCEEDED(hr)) {
return true;
} else if (hr == AUDCLNT_E_ENGINE_PERIODICITY_LOCKED) {
@ -2119,23 +2256,38 @@ initialize_iaudioclient3(com_ptr<IAudioClient> & audio_client,
}
uint32_t current_period = 0;
WAVEFORMATEX * current_format = nullptr;
WAVEFORMATEX * current_format_ptr = nullptr;
// We have to pass a valid WAVEFORMATEX** and not nullptr, otherwise
// GetCurrentSharedModeEnginePeriod will return E_POINTER
hr = audio_client3->GetCurrentSharedModeEnginePeriod(&current_format,
hr = audio_client3->GetCurrentSharedModeEnginePeriod(&current_format_ptr,
&current_period);
CoTaskMemFree(current_format);
if (FAILED(hr)) {
LOG("Could not get current shared mode engine period: error: %lx", hr);
return false;
}
if (current_period >= default_period) {
LOG("Current shared mode engine period %i too high, not using IAudioClient",
current_period);
com_heap_ptr<WAVEFORMATEX> current_format(current_format_ptr);
if (current_format->nSamplesPerSec != mix_format->nSamplesPerSec) {
// Unless some other external app locked the shared mode engine period
// within our audio initialization, this is unlikely to happen, though we
// can't respect the user selected latency, so we fallback on IAudioClient
LOG("IAudioClient3::GetCurrentSharedModeEnginePeriod() returned a "
"different mixer format (nSamplesPerSec) from "
"IAudioClient::GetMixFormat(); not using IAudioClient3");
return false;
}
#if REJECT_AUDIO_CLIENT_3_LATENCY_OVER_MAX
// Reject IAudioClient3 if we can't respect the user target latency.
// We don't need to check against default_latency anymore,
// as the current_period is already the best one we could get.
if (old_requested_latency > current_period) {
LOG("Requested latency %i greater than currently locked shared mode "
"latency %i, not using IAudioClient3",
old_requested_latency, current_period);
return false;
}
#endif
hr = audio_client3->InitializeSharedAudioStream(flags, current_period,
mix_format.get(), NULL);
if (SUCCEEDED(hr)) {
@ -2147,7 +2299,6 @@ initialize_iaudioclient3(com_ptr<IAudioClient> & audio_client,
LOG("Could not initialize shared stream with IAudioClient3: error: %lx", hr);
return false;
}
#endif
#define DIRECTION_NAME (direction == eCapture ? "capture" : "render")
@ -2171,6 +2322,12 @@ setup_wasapi_stream_one_side(cubeb_stream * stm,
return CUBEB_ERROR;
}
#if ALLOW_AUDIO_CLIENT_3_FOR_INPUT
constexpr bool allow_audio_client_3 = true;
#else
const bool allow_audio_client_3 = direction == eRender;
#endif
stm->stream_reset_lock.assert_current_thread_owns();
// If user doesn't specify a particular device, we can choose another one when
// the given devid is unavailable.
@ -2207,17 +2364,14 @@ setup_wasapi_stream_one_side(cubeb_stream * stm,
/* Get a client. We will get all other interfaces we need from
* this pointer. */
#if 0 // See https://bugzilla.mozilla.org/show_bug.cgi?id=1590902
hr = device->Activate(__uuidof(IAudioClient3),
CLSCTX_INPROC_SERVER,
NULL, audio_client.receive_vpp());
if (hr == E_NOINTERFACE) {
#endif
if (allow_audio_client_3) {
hr = device->Activate(__uuidof(IAudioClient3), CLSCTX_INPROC_SERVER, NULL,
audio_client.receive_vpp());
}
if (!allow_audio_client_3 || hr == E_NOINTERFACE) {
hr = device->Activate(__uuidof(IAudioClient), CLSCTX_INPROC_SERVER, NULL,
audio_client.receive_vpp());
#if 0
}
#endif
if (FAILED(hr)) {
LOG("Could not activate the device to get an audio"
@ -2346,16 +2500,15 @@ setup_wasapi_stream_one_side(cubeb_stream * stm,
}
}
#if 0 // See https://bugzilla.mozilla.org/show_bug.cgi?id=1590902
if (initialize_iaudioclient3(audio_client, stm, mix_format, flags, direction)) {
if (allow_audio_client_3 &&
initialize_iaudioclient3(audio_client, stm, mix_format, flags, direction,
latency_hns)) {
LOG("Initialized with IAudioClient3");
} else {
#endif
hr = audio_client->Initialize(AUDCLNT_SHAREMODE_SHARED, flags, latency_hns, 0,
mix_format.get(), NULL);
#if 0
hr = audio_client->Initialize(AUDCLNT_SHAREMODE_SHARED, flags, latency_hns,
0, mix_format.get(), NULL);
}
#endif
if (FAILED(hr)) {
LOG("Unable to initialize audio client for %s: %lx.", DIRECTION_NAME, hr);
return CUBEB_ERROR;
@ -3351,6 +3504,7 @@ wasapi_create_device(cubeb * ctx, cubeb_device_info & ret,
CUBEB_DEVICE_FMT_S16NE);
ret.default_format = CUBEB_DEVICE_FMT_F32NE;
prop_variant fmtvar;
WAVEFORMATEX * wfx = NULL;
hr = propstore->GetValue(PKEY_AudioEngine_DeviceFormat, &fmtvar);
if (SUCCEEDED(hr) && fmtvar.vt == VT_BLOB) {
if (fmtvar.blob.cbSize == sizeof(PCMWAVEFORMAT)) {
@ -3360,8 +3514,7 @@ wasapi_create_device(cubeb * ctx, cubeb_device_info & ret,
ret.max_rate = ret.min_rate = ret.default_rate = pcm->wf.nSamplesPerSec;
ret.max_channels = pcm->wf.nChannels;
} else if (fmtvar.blob.cbSize >= sizeof(WAVEFORMATEX)) {
WAVEFORMATEX * wfx =
reinterpret_cast<WAVEFORMATEX *>(fmtvar.blob.pBlobData);
wfx = reinterpret_cast<WAVEFORMATEX *>(fmtvar.blob.pBlobData);
if (fmtvar.blob.cbSize >= sizeof(WAVEFORMATEX) + wfx->cbSize ||
wfx->wFormatTag == WAVE_FORMAT_PCM) {
@ -3371,6 +3524,27 @@ wasapi_create_device(cubeb * ctx, cubeb_device_info & ret,
}
}
#if USE_AUDIO_CLIENT_3_MIN_PERIOD
// Here we assume an IAudioClient3 stream will successfully
// be initialized later (it might fail)
#if ALLOW_AUDIO_CLIENT_3_FOR_INPUT
constexpr bool allow_audio_client_3 = true;
#else
const bool allow_audio_client_3 = flow == eRender;
#endif
com_ptr<IAudioClient3> client3;
uint32_t def, fun, min, max;
if (allow_audio_client_3 && wfx &&
SUCCEEDED(dev->Activate(__uuidof(IAudioClient3), CLSCTX_INPROC_SERVER,
NULL, client3.receive_vpp())) &&
SUCCEEDED(
client3->GetSharedModeEnginePeriod(wfx, &def, &fun, &min, &max))) {
ret.latency_lo = min;
// This latency might actually be used as "default" and not "max" later on,
// so we return the default (we never really want to use the max anyway)
ret.latency_hi = def;
} else
#endif
if (SUCCEEDED(dev->Activate(__uuidof(IAudioClient), CLSCTX_INPROC_SERVER,
NULL, client.receive_vpp())) &&
SUCCEEDED(client->GetDevicePeriod(&def_period, &min_period))) {
@ -3562,6 +3736,7 @@ cubeb_ops const wasapi_ops = {
/*.get_max_channel_count =*/wasapi_get_max_channel_count,
/*.get_min_latency =*/wasapi_get_min_latency,
/*.get_preferred_sample_rate =*/wasapi_get_preferred_sample_rate,
/*.get_supported_input_processing_params =*/NULL,
/*.enumerate_devices =*/wasapi_enumerate_devices,
/*.device_collection_destroy =*/wasapi_device_collection_destroy,
/*.destroy =*/wasapi_destroy,
@ -3575,6 +3750,8 @@ cubeb_ops const wasapi_ops = {
/*.stream_set_volume =*/wasapi_stream_set_volume,
/*.stream_set_name =*/NULL,
/*.stream_get_current_device =*/NULL,
/*.stream_set_input_mute =*/NULL,
/*.stream_set_input_processing_params =*/NULL,
/*.stream_device_destroy =*/NULL,
/*.stream_register_device_changed_callback =*/NULL,
/*.register_device_collection_changed =*/

3
3rdparty/cubeb/src/cubeb_winmm.c vendored
View File

@ -1192,6 +1192,7 @@ static struct cubeb_ops const winmm_ops = {
/*.get_max_channel_count=*/winmm_get_max_channel_count,
/*.get_min_latency=*/winmm_get_min_latency,
/*.get_preferred_sample_rate =*/winmm_get_preferred_sample_rate,
/*.get_supported_input_processing_params =*/NULL,
/*.enumerate_devices =*/winmm_enumerate_devices,
/*.device_collection_destroy =*/winmm_device_collection_destroy,
/*.destroy =*/winmm_destroy,
@ -1205,6 +1206,8 @@ static struct cubeb_ops const winmm_ops = {
/*.stream_set_volume =*/winmm_stream_set_volume,
/*.stream_set_name =*/NULL,
/*.stream_get_current_device =*/NULL,
/*.stream_set_input_mute =*/NULL,
/*.stream_set_input_processing_params =*/NULL,
/*.stream_device_destroy =*/NULL,
/*.stream_register_device_changed_callback=*/NULL,
/*.register_device_collection_changed =*/NULL};