nsresult
AudioStream::Init(uint32_t aNumChannels, uint32_t aRate,
const dom::AudioChannel aAudioChannel)
{
auto startTime = TimeStamp::Now();
auto isFirst = CubebUtils::GetFirstStream();
LOG("%s channels: %d, rate: %d", __FUNCTION__, aNumChannels, aRate);
mChannels = aNumChannels;
mOutChannels = aNumChannels;
mDumpFile = OpenDumpFile(aNumChannels, aRate);
cubeb_stream_params params;
params.rate = aRate;
params.channels = mOutChannels;
#if defined(__ANDROID__)
#if defined(MOZ_B2G)
params.stream_type = CubebUtils::ConvertChannelToCubebType(aAudioChannel);
#else
params.stream_type = CUBEB_STREAM_TYPE_MUSIC;
#endif
if (params.stream_type == CUBEB_STREAM_TYPE_MAX) {
return NS_ERROR_INVALID_ARG;
}
#endif
params.format = ToCubebFormat<AUDIO_OUTPUT_FORMAT>::value;
mAudioClock.Init(aRate);
return OpenCubeb(params, startTime, isFirst);
}
nsresult
AudioStream::Init(uint32_t aNumChannels, uint32_t aChannelMap, uint32_t aRate,
const dom::AudioChannel aAudioChannel)
{
auto startTime = TimeStamp::Now();
LOG("%s channels: %d, rate: %d", __FUNCTION__, aNumChannels, aRate);
mChannels = aNumChannels;
mOutChannels = aNumChannels;
mDumpFile = OpenDumpFile(aNumChannels, aRate);
cubeb_stream_params params;
params.rate = aRate;
params.channels = mOutChannels;
params.layout = CubebUtils::ConvertChannelMapToCubebLayout(aChannelMap);
#if defined(__ANDROID__)
params.stream_type = CUBEB_STREAM_TYPE_MUSIC;
#endif
params.format = ToCubebFormat<AUDIO_OUTPUT_FORMAT>::value;
mAudioClock.Init(aRate);
cubeb* cubebContext = CubebUtils::GetCubebContext();
if (!cubebContext) {
NS_WARNING("Can't get cubeb context!");
CubebUtils::ReportCubebStreamInitFailure(true);
return NS_ERROR_DOM_MEDIA_CUBEB_INITIALIZATION_ERR;
}
return OpenCubeb(cubebContext, params, startTime, CubebUtils::GetFirstStream());
}
nsresult
AudioStream::Init(int32_t aNumChannels, int32_t aRate,
const dom::AudioChannel aAudioChannel)
{
mStartTime = TimeStamp::Now();
mIsFirst = CubebUtils::GetFirstStream();
if (!CubebUtils::GetCubebContext() || aNumChannels < 0 || aRate < 0) {
return NS_ERROR_FAILURE;
}
MOZ_LOG(gAudioStreamLog, LogLevel::Debug,
("%s channels: %d, rate: %d for %p", __FUNCTION__, aNumChannels, aRate, this));
mInRate = mOutRate = aRate;
mChannels = aNumChannels;
mOutChannels = (aNumChannels > 2) ? 2 : aNumChannels;
mDumpFile = OpenDumpFile(this);
cubeb_stream_params params;
params.rate = aRate;
params.channels = mOutChannels;
#if defined(__ANDROID__)
#if defined(MOZ_B2G)
mAudioChannel = aAudioChannel;
params.stream_type = CubebUtils::ConvertChannelToCubebType(aAudioChannel);
#else
mAudioChannel = dom::AudioChannel::Content;
params.stream_type = CUBEB_STREAM_TYPE_MUSIC;
#endif
if (params.stream_type == CUBEB_STREAM_TYPE_MAX) {
return NS_ERROR_INVALID_ARG;
}
#endif
if (AUDIO_OUTPUT_FORMAT == AUDIO_FORMAT_S16) {
params.format = CUBEB_SAMPLE_S16NE;
} else {
params.format = CUBEB_SAMPLE_FLOAT32NE;
}
mBytesPerFrame = sizeof(AudioDataValue) * mOutChannels;
mAudioClock.Init();
// Size mBuffer for one second of audio. This value is arbitrary, and was
// selected based on the observed behaviour of the existing AudioStream
// implementations.
uint32_t bufferLimit = FramesToBytes(aRate);
MOZ_ASSERT(bufferLimit % mBytesPerFrame == 0, "Must buffer complete frames");
mBuffer.SetCapacity(bufferLimit);
return OpenCubeb(params);
}
nsresult
AudioStream::Init(uint32_t aNumChannels, uint32_t aRate,
const dom::AudioChannel aAudioChannel)
{
mStartTime = TimeStamp::Now();
mIsFirst = CubebUtils::GetFirstStream();
if (!CubebUtils::GetCubebContext()) {
return NS_ERROR_FAILURE;
}
MOZ_LOG(gAudioStreamLog, LogLevel::Debug,
("%s channels: %d, rate: %d for %p", __FUNCTION__, aNumChannels, aRate, this));
mInRate = mOutRate = aRate;
mChannels = aNumChannels;
mOutChannels = (aNumChannels > 2) ? 2 : aNumChannels;
mDumpFile = OpenDumpFile(this);
cubeb_stream_params params;
params.rate = aRate;
params.channels = mOutChannels;
#if defined(__ANDROID__)
#if defined(MOZ_B2G)
mAudioChannel = aAudioChannel;
params.stream_type = CubebUtils::ConvertChannelToCubebType(aAudioChannel);
#else
mAudioChannel = dom::AudioChannel::Content;
params.stream_type = CUBEB_STREAM_TYPE_MUSIC;
#endif
if (params.stream_type == CUBEB_STREAM_TYPE_MAX) {
return NS_ERROR_INVALID_ARG;
}
#endif
if (AUDIO_OUTPUT_FORMAT == AUDIO_FORMAT_S16) {
params.format = CUBEB_SAMPLE_S16NE;
} else {
params.format = CUBEB_SAMPLE_FLOAT32NE;
}
mAudioClock.Init();
return OpenCubeb(params);
}
nsresult
AudioStream::Init(uint32_t aNumChannels,
AudioConfig::ChannelLayout::ChannelMap aChannelMap,
uint32_t aRate,
AudioDeviceInfo* aSinkInfo)
{
auto startTime = TimeStamp::Now();
LOG("%s channels: %d, rate: %d", __FUNCTION__, aNumChannels, aRate);
mChannels = aNumChannels;
mOutChannels = aNumChannels;
mDumpFile = OpenDumpFile(aNumChannels, aRate);
mSinkInfo = aSinkInfo;
cubeb_stream_params params;
params.rate = aRate;
params.channels = mOutChannels;
params.layout = static_cast<uint32_t>(aChannelMap);
params.format = ToCubebFormat<AUDIO_OUTPUT_FORMAT>::value;
params.prefs = CubebUtils::GetDefaultStreamPrefs();
mAudioClock.Init(aRate);
cubeb* cubebContext = CubebUtils::GetCubebContext();
if (!cubebContext) {
LOGE("Can't get cubeb context!");
CubebUtils::ReportCubebStreamInitFailure(true);
return NS_ERROR_DOM_MEDIA_CUBEB_INITIALIZATION_ERR;
}
// cubeb's winmm backend prefills buffers on init rather than stream start.
// See https://github.com/kinetiknz/cubeb/issues/150
mPrefillQuirk = !strcmp(cubeb_get_backend_id(cubebContext), "winmm");
return OpenCubeb(cubebContext, params, startTime, CubebUtils::GetFirstStream());
}
// NOTE: this must not block a LowLatency stream for any significant amount
// of time, or it will block the entirety of MSG
nsresult
AudioStream::Init(int32_t aNumChannels, int32_t aRate,
const dom::AudioChannel aAudioChannel,
LatencyRequest aLatencyRequest)
{
mStartTime = TimeStamp::Now();
mIsFirst = GetFirstStream();
if (!GetCubebContext() || aNumChannels < 0 || aRate < 0) {
return NS_ERROR_FAILURE;
}
PR_LOG(gAudioStreamLog, PR_LOG_DEBUG,
("%s channels: %d, rate: %d for %p", __FUNCTION__, aNumChannels, aRate, this));
mInRate = mOutRate = aRate;
mChannels = aNumChannels;
mOutChannels = (aNumChannels > 2) ? 2 : aNumChannels;
mLatencyRequest = aLatencyRequest;
mDumpFile = OpenDumpFile(this);
cubeb_stream_params params;
params.rate = aRate;
params.channels = mOutChannels;
#if defined(__ANDROID__)
#if defined(MOZ_B2G)
params.stream_type = ConvertChannelToCubebType(aAudioChannel);
#else
params.stream_type = CUBEB_STREAM_TYPE_MUSIC;
#endif
if (params.stream_type == CUBEB_STREAM_TYPE_MAX) {
return NS_ERROR_INVALID_ARG;
}
#endif
if (AUDIO_OUTPUT_FORMAT == AUDIO_FORMAT_S16) {
params.format = CUBEB_SAMPLE_S16NE;
} else {
params.format = CUBEB_SAMPLE_FLOAT32NE;
}
mBytesPerFrame = sizeof(AudioDataValue) * mOutChannels;
mAudioClock.Init();
// Size mBuffer for one second of audio. This value is arbitrary, and was
// selected based on the observed behaviour of the existing AudioStream
// implementations.
uint32_t bufferLimit = FramesToBytes(aRate);
NS_ABORT_IF_FALSE(bufferLimit % mBytesPerFrame == 0, "Must buffer complete frames");
mBuffer.SetCapacity(bufferLimit);
if (aLatencyRequest == LowLatency) {
// Don't block this thread to initialize a cubeb stream.
// When this is done, it will start callbacks from Cubeb. Those will
// cause us to move from INITIALIZED to RUNNING. Until then, we
// can't access any cubeb functions.
// Use a RefPtr to avoid leaks if Dispatch fails
RefPtr<AudioInitTask> init = new AudioInitTask(this, aLatencyRequest, params);
init->Dispatch();
return NS_OK;
}
// High latency - open synchronously
nsresult rv = OpenCubeb(params, aLatencyRequest);
// See if we need to start() the stream, since we must do that from this
// thread for now (cubeb API issue)
{
MonitorAutoLock mon(mMonitor);
CheckForStart();
}
return rv;
}
