Fix issue 3225810. (6dc08b36) · Commits · e / os / android_frameworks_base

services/audioflinger/A2dpAudioInterface.cpp

+55 −34

Original line number	Diff line number	Diff line
		@@ -23,10 +23,13 @@

		#include "A2dpAudioInterface.h"
		#include "audio/liba2dp.h"

		#include <hardware_legacy/power.h>

		namespace android {

		static const char *sA2dpWakeLock = "A2dpOutputStream";
		#define MAX_WRITE_RETRIES 5

		// ----------------------------------------------------------------------------

		//AudioHardwareInterface* A2dpAudioInterface::createA2dpInterface()
		@@ -263,17 +266,17 @@ status_t A2dpAudioInterface::A2dpAudioStreamOut::set(
		A2dpAudioInterface::A2dpAudioStreamOut::~A2dpAudioStreamOut()
		{
		LOGV("A2dpAudioStreamOut destructor");
		standby();
		close();
		LOGV("A2dpAudioStreamOut destructor returning from close()");
		}

		ssize_t A2dpAudioInterface::A2dpAudioStreamOut::write(const void* buffer, size_t bytes)
		{
		status_t status = -1;
		{
		Mutex::Autolock lock(mLock);

		size_t remaining = bytes;
		status_t status = -1;

		if (!mBluetoothEnabled \|\| mClosing \|\| mSuspended) {
		LOGV("A2dpAudioStreamOut::write(), but bluetooth disabled \
		@@ -282,25 +285,36 @@ ssize_t A2dpAudioInterface::A2dpAudioStreamOut::write(const void* buffer, size_t
		goto Error;
		}

		if (mStandby) {
		acquire_wake_lock (PARTIAL_WAKE_LOCK, sA2dpWakeLock);
		mStandby = false;
		}

		status = init();
		if (status < 0)
		goto Error;

		while (remaining > 0) {
		int retries = MAX_WRITE_RETRIES;
		while (remaining > 0 && retries) {
		status = a2dp_write(mData, buffer, remaining);
		if (status <= 0) {
		if (status < 0) {
		LOGE("a2dp_write failed err: %d\n", status);
		goto Error;
		}
		if (status == 0) {
		retries--;
		}
		remaining -= status;
		buffer = ((char *)buffer) + status;
		buffer = (char *)buffer + status;
		}

		mStandby = false;

		return bytes;

		}
		Error:

		standby();

		// Simulate audio output timing in case of error
		usleep(((bytes * 1000 )/ frameSize() / sampleRate()) * 1000);

		@@ -324,18 +338,21 @@ status_t A2dpAudioInterface::A2dpAudioStreamOut::init()

		status_t A2dpAudioInterface::A2dpAudioStreamOut::standby()
		{
		int result = 0;

		if (mClosing) {
		LOGV("Ignore standby, closing");
		return result;
		Mutex::Autolock lock(mLock);
		return standby_l();
		}

		Mutex::Autolock lock(mLock);
		status_t A2dpAudioInterface::A2dpAudioStreamOut::standby_l()
		{
		int result = NO_ERROR;

		if (!mStandby) {
		LOGV_IF(mClosing \|\| !mBluetoothEnabled, "Standby skip stop: closing %d enabled %d",
		mClosing, mBluetoothEnabled);
		if (!mClosing && mBluetoothEnabled) {
		result = a2dp_stop(mData);
		if (result == 0)
		}
		release_wake_lock(sA2dpWakeLock);
		mStandby = true;
		}

		@@ -362,6 +379,9 @@ status_t A2dpAudioInterface::A2dpAudioStreamOut::setParameters(const String8& ke
		key = String8("closing");
		if (param.get(key, value) == NO_ERROR) {
		mClosing = (value == "true");
		if (mClosing) {
		standby();
		}
		param.remove(key);
		}
		key = AudioParameter::keyRouting;
		@@ -444,6 +464,7 @@ status_t A2dpAudioInterface::A2dpAudioStreamOut::close()

		status_t A2dpAudioInterface::A2dpAudioStreamOut::close_l()
		{
		standby_l();
		if (mData) {
		LOGV("A2dpAudioStreamOut::close_l() calling a2dp_cleanup(mData)");
		a2dp_cleanup(mData);

services/audioflinger/A2dpAudioInterface.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -103,6 +103,7 @@ private:
		status_t setAddress(const char* address);
		status_t setBluetoothEnabled(bool enabled);
		status_t setSuspended(bool onOff);
		status_t standby_l();

		private:
		int mFd;