am 93927035: Merge "AudioTrack: reduce retrograde motion spew" into mnc-dev (cbe655e7) · Commits · e / os / android_frameworks_av

include/media/AudioTrack.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -839,6 +839,7 @@ protected:
		// only used for offloaded and direct tracks.

		bool mPreviousTimestampValid;// true if mPreviousTimestamp is valid
		bool mRetrogradeMotionReported; // reduce log spam
		AudioTimestamp mPreviousTimestamp; // used to detect retrograde motion

		audio_output_flags_t mFlags;

+12 −5

Original line number	Diff line number	Diff line
		@@ -2227,11 +2227,18 @@ status_t AudioTrack::getTimestamp(AudioTimestamp& timestamp)
		- mPreviousTimestamp.mPosition);
		// position can bobble slightly as an artifact; this hides the bobble
		static const int32_t MINIMUM_POSITION_DELTA = 8;
		ALOGW_IF(deltaPosition < 0,
		"retrograde timestamp position corrected, %d = %u - %u",
		if (deltaPosition < 0) {
		// Only report once per position instead of spamming the log.
		if (!mRetrogradeMotionReported) {
		ALOGW("retrograde timestamp position corrected, %d = %u - %u",
		deltaPosition,
		timestamp.mPosition,
		mPreviousTimestamp.mPosition);
		mRetrogradeMotionReported = true;
		}
		} else {
		mRetrogradeMotionReported = false;
		}
		if (deltaPosition < MINIMUM_POSITION_DELTA) {
		timestamp = mPreviousTimestamp; // Use last valid timestamp.
		}