Merge "Add retry mechanism to AudioRecord::restoreRecord_l()." into pi-dev (9d7ffe4f) · Commits · e / os / android_frameworks_av

media/libaudioclient/AudioRecord.cpp

+21 −1

Original line number	Diff line number	Diff line
		@@ -1231,6 +1231,14 @@ status_t AudioRecord::restoreRecord_l(const char *from)
		ALOGW("dead IAudioRecord, creating a new one from %s()", from);
		++mSequence;

		const int INITIAL_RETRIES = 3;
		int retries = INITIAL_RETRIES;
		retry:
		if (retries < INITIAL_RETRIES) {
		// refresh the audio configuration cache in this process to make sure we get new
		// input parameters and new IAudioRecord in createRecord_l()
		AudioSystem::clearAudioConfigCache();
		}
		mFlags = mOrigFlags;

		// if the new IAudioRecord is created, createRecord_l() will modify the
		@@ -1239,7 +1247,11 @@ status_t AudioRecord::restoreRecord_l(const char *from)
		Modulo<uint32_t> position(mProxy->getPosition());
		mNewPosition = position + mUpdatePeriod;
		status_t result = createRecord_l(position, mOpPackageName);
		if (result == NO_ERROR) {

		if (result != NO_ERROR) {
		ALOGW("%s(): createRecord_l failed, do not retry", __func__);
		retries = 0;
		} else {
		if (mActive) {
		// callback thread or sync event hasn't changed
		// FIXME this fails if we have a new AudioFlinger instance
		@@ -1248,6 +1260,14 @@ status_t AudioRecord::restoreRecord_l(const char *from)
		}
		mFramesReadServerOffset = mFramesRead; // server resets to zero so we need an offset.
		}

		if (result != NO_ERROR) {
		ALOGW("%s() failed status %d, retries %d", __func__, result, retries);
		if (--retries > 0) {
		goto retry;
		}
		}

		if (result != NO_ERROR) {
		ALOGW("restoreRecord_l() failed status %d", result);
		mActive = false;