Erase bufferCount in audio output. (303bd2da) · Commits · e / os / android_frameworks_av

media/libmediaplayer2/MediaPlayer2AudioOutput.cpp

+5 −33

Original line number	Original line	Diff line number	Diff line
	@@ -299,14 +299,14 @@ void MediaPlayer2AudioOutput::close_l() {

	status_t MediaPlayer2AudioOutput::open(		status_t MediaPlayer2AudioOutput::open(
	uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,		uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,
	audio_format_t format, int bufferCount,		audio_format_t format,
	AudioCallback cb, void *cookie,		AudioCallback cb, void *cookie,
	audio_output_flags_t flags,		audio_output_flags_t flags,
	const audio_offload_info_t *offloadInfo,		const audio_offload_info_t *offloadInfo,
	bool doNotReconnect,		bool doNotReconnect,
	uint32_t suggestedFrameCount) {		uint32_t suggestedFrameCount) {
	ALOGV("open(%u, %d, 0x%x, 0x%x, %d, %d 0x%x)", sampleRate, channelCount, channelMask,		ALOGV("open(%u, %d, 0x%x, 0x%x, %d 0x%x)", sampleRate, channelCount, channelMask,
	format, bufferCount, mSessionId, flags);		format, mSessionId, flags);

	// offloading is only supported in callback mode for now.		// offloading is only supported in callback mode for now.
	// offloadInfo must be present if offload flag is set		// offloadInfo must be present if offload flag is set
	@@ -316,36 +316,8 @@ status_t MediaPlayer2AudioOutput::open(
	}		}

	// compute frame count for the AudioTrack internal buffer		// compute frame count for the AudioTrack internal buffer
	size_t frameCount;		const size_t frameCount =
	if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {		((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) ? 0 : suggestedFrameCount;
	frameCount = 0; // AudioTrack will get frame count from AudioFlinger
	} else {
	// try to estimate the buffer processing fetch size from AudioFlinger.
	// framesPerBuffer is approximate and generally correct, except when it's not :-).
	uint32_t afSampleRate;
	size_t afFrameCount;
	if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) {
	return NO_INIT;
	}
	if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) {
	return NO_INIT;
	}
	const size_t framesPerBuffer =
	(unsigned long long)sampleRate * afFrameCount / afSampleRate;

	if (bufferCount == 0) {
	// use suggestedFrameCount
	bufferCount = (suggestedFrameCount + framesPerBuffer - 1) / framesPerBuffer;
	}
	// Check argument bufferCount against the mininum buffer count
	if (bufferCount != 0 && bufferCount < mMinBufferCount) {
	ALOGV("bufferCount (%d) increased to %d", bufferCount, mMinBufferCount);
	bufferCount = mMinBufferCount;
	}
	// if frameCount is 0, then AudioTrack will get frame count from AudioFlinger
	// which will be the minimum size permitted.
	frameCount = bufferCount * framesPerBuffer;
	}

	if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) {		if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) {
	channelMask = audio_channel_out_mask_from_count(channelCount);		channelMask = audio_channel_out_mask_from_count(channelCount);

media/libmediaplayer2/include/mediaplayer2/MediaPlayer2AudioOutput.h

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -58,7 +58,7 @@ public:

	virtual status_t open(		virtual status_t open(
	uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,		uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,
	audio_format_t format, int bufferCount,		audio_format_t format,
	AudioCallback cb, void *cookie,		AudioCallback cb, void *cookie,
	audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,		audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
	const audio_offload_info_t *offloadInfo = NULL,		const audio_offload_info_t *offloadInfo = NULL,

media/libmediaplayer2/include/mediaplayer2/MediaPlayer2Interface.h

+0 −2

Original line number	Original line	Diff line number	Diff line
	@@ -47,7 +47,6 @@ struct DataSourceDesc;
	class Parcel;		class Parcel;
	struct ANativeWindowWrapper;		struct ANativeWindowWrapper;

	#define DEFAULT_AUDIOSINK_BUFFERCOUNT 4
	#define DEFAULT_AUDIOSINK_BUFFERSIZE 1200		#define DEFAULT_AUDIOSINK_BUFFERSIZE 1200
	#define DEFAULT_AUDIOSINK_SAMPLERATE 44100		#define DEFAULT_AUDIOSINK_SAMPLERATE 44100

	@@ -103,7 +102,6 @@ public:
	virtual status_t open(		virtual status_t open(
	uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,		uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,
	audio_format_t format=AUDIO_FORMAT_PCM_16_BIT,		audio_format_t format=AUDIO_FORMAT_PCM_16_BIT,
	int bufferCount=DEFAULT_AUDIOSINK_BUFFERCOUNT,
	AudioCallback cb = NULL,		AudioCallback cb = NULL,
	void *cookie = NULL,		void *cookie = NULL,
	audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,		audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,

media/libmediaplayer2/nuplayer2/NuPlayer2Renderer.cpp

+0 −2

Original line number	Original line	Diff line number	Diff line
	@@ -1918,7 +1918,6 @@ status_t NuPlayer2::Renderer::onOpenAudioSink(
	numChannels,		numChannels,
	(audio_channel_mask_t)channelMask,		(audio_channel_mask_t)channelMask,
	audioFormat,		audioFormat,
	0 /* bufferCount - unused */,
	&NuPlayer2::Renderer::AudioSinkCallback,		&NuPlayer2::Renderer::AudioSinkCallback,
	this,		this,
	(audio_output_flags_t)offloadFlags,		(audio_output_flags_t)offloadFlags,
	@@ -2004,7 +2003,6 @@ status_t NuPlayer2::Renderer::onOpenAudioSink(
	numChannels,		numChannels,
	(audio_channel_mask_t)channelMask,		(audio_channel_mask_t)channelMask,
	AUDIO_FORMAT_PCM_16_BIT,		AUDIO_FORMAT_PCM_16_BIT,
	0 /* bufferCount - unused */,
	mUseAudioCallback ? &NuPlayer2::Renderer::AudioSinkCallback : NULL,		mUseAudioCallback ? &NuPlayer2::Renderer::AudioSinkCallback : NULL,
	mUseAudioCallback ? this : NULL,		mUseAudioCallback ? this : NULL,
	(audio_output_flags_t)pcmFlags,		(audio_output_flags_t)pcmFlags,