Merge "Some decoders require more gentle treatment" (3d01812f) · Commits · e / os / android_frameworks_base

media/libstagefright/AwesomePlayer.cpp

+42 −14

Original line number	Diff line number	Diff line
		@@ -59,6 +59,7 @@
		#include <cutils/properties.h>

		#define USE_SURFACE_ALLOC 1
		#define FRAME_DROP_FREQ 0

		namespace android {

		@@ -1523,14 +1524,29 @@ status_t AwesomePlayer::initVideoDecoder(uint32_t flags) {
		}

		if (mVideoSource != NULL) {
		const char *componentName;
		CHECK(mVideoSource->getFormat()
		->findCString(kKeyDecoderComponent, &componentName));

		{
		Mutex::Autolock autoLock(mStatsLock);
		TrackStat *stat = &mStats.mTracks.editItemAt(mStats.mVideoTrackIndex);

		const char *component;
		CHECK(mVideoSource->getFormat()
		->findCString(kKeyDecoderComponent, &component));
		stat->mDecoderName = componentName;
		}

		stat->mDecoderName = component;
		static const char *kPrefix = "OMX.Nvidia.";
		static const char *kSuffix = ".decode";
		static const size_t kSuffixLength = strlen(kSuffix);

		size_t componentNameLength = strlen(componentName);

		if (!strncmp(componentName, kPrefix, strlen(kPrefix))
		&& componentNameLength >= kSuffixLength
		&& !strcmp(&componentName[
		componentNameLength - kSuffixLength], kSuffix)) {
		modifyFlags(SLOW_DECODER_HACK, SET);
		}
		}

		return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
		@@ -1710,6 +1726,7 @@ void AwesomePlayer::onVideoEvent() {

		if (mFlags & FIRST_FRAME) {
		modifyFlags(FIRST_FRAME, CLEAR);
		mSinceLastDropped = 0;
		mTimeSourceDeltaUs = ts->getRealTimeUs() - timeUs;
		}

		@@ -1756,8 +1773,17 @@ void AwesomePlayer::onVideoEvent() {

		if (latenessUs > 40000) {
		// We're more than 40ms late.
		LOGV("we're late by %lld us (%.2f secs), dropping frame",
		LOGV("we're late by %lld us (%.2f secs)",
		latenessUs, latenessUs / 1E6);

		if (!(mFlags & SLOW_DECODER_HACK)
		\|\| mSinceLastDropped > FRAME_DROP_FREQ)
		{
		LOGV("we're late by %lld us (%.2f secs) dropping "
		"one after %d frames",
		latenessUs, latenessUs / 1E6, mSinceLastDropped);

		mSinceLastDropped = 0;
		mVideoBuffer->release();
		mVideoBuffer = NULL;

		@@ -1769,6 +1795,7 @@ void AwesomePlayer::onVideoEvent() {
		postVideoEvent_l();
		return;
		}
		}

		if (latenessUs < -10000) {
		// We're more than 10ms early.
		@@ -1786,6 +1813,7 @@ void AwesomePlayer::onVideoEvent() {
		}

		if (mVideoRenderer != NULL) {
		mSinceLastDropped++;
		mVideoRenderer->render(mVideoBuffer);
		}

media/libstagefright/include/AwesomePlayer.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -141,6 +141,8 @@ private:

		TEXT_RUNNING = 0x10000,
		TEXTPLAYER_STARTED = 0x20000,

		SLOW_DECODER_HACK = 0x40000,
		};

		mutable Mutex mLock;
		@@ -181,6 +183,7 @@ private:

		uint32_t mFlags;
		uint32_t mExtractorFlags;
		uint32_t mSinceLastDropped;

		int64_t mTimeSourceDeltaUs;
		int64_t mVideoTimeUs;