Display a single (still-)frame of video after seeking while paused. (2b1222f8) · Commits · e / os / android_frameworks_av

media/libstagefright/AwesomePlayer.cpp

+37 −29

Original line number	Diff line number	Diff line
		@@ -766,6 +766,8 @@ status_t AwesomePlayer::play() {
		}

		status_t AwesomePlayer::play_l() {
		mFlags &= ~SEEK_PREVIEW;

		if (mFlags & PLAYING) {
		return OK;
		}
		@@ -1079,6 +1081,11 @@ status_t AwesomePlayer::seekTo_l(int64_t timeUs) {

		notifyListener_l(MEDIA_SEEK_COMPLETE);
		mSeekNotificationSent = true;

		if ((mFlags & PREPARED) && mVideoSource != NULL) {
		mFlags \|= SEEK_PREVIEW;
		postVideoEvent_l();
		}
		}

		return OK;
		@@ -1181,7 +1188,7 @@ status_t AwesomePlayer::initVideoDecoder(uint32_t flags) {
		}

		void AwesomePlayer::finishSeekIfNecessary(int64_t videoTimeUs) {
		if (!mSeeking) {
		if (!mSeeking \|\| (mFlags & SEEK_PREVIEW)) {
		return;
		}

		@@ -1228,7 +1235,8 @@ void AwesomePlayer::onVideoEvent() {
		mVideoBuffer = NULL;
		}

		if (mCachedSource != NULL && mAudioSource != NULL) {
		if (mCachedSource != NULL && mAudioSource != NULL
		&& !(mFlags & SEEK_PREVIEW)) {
		// We're going to seek the video source first, followed by
		// the audio source.
		// In order to avoid jumps in the DataSource offset caused by
		@@ -1322,20 +1330,14 @@ void AwesomePlayer::onVideoEvent() {
		mTimeSourceDeltaUs = realTimeUs - mediaTimeUs;
		}

		int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;

		int64_t latenessUs = nowUs - timeUs;

		if (wasSeeking) {
		if (!wasSeeking && mRTPSession == NULL) {
		// Let's display the first frame after seeking right away.
		latenessUs = 0;
		}

		if (mRTPSession != NULL) {
		// We'll completely ignore timestamps for gtalk videochat
		// and we'll play incoming video as fast as we get it.
		latenessUs = 0;
		}

		int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;

		int64_t latenessUs = nowUs - timeUs;

		if (latenessUs > 40000) {
		// We're more than 40ms late.
		@@ -1358,6 +1360,7 @@ void AwesomePlayer::onVideoEvent() {
		postVideoEvent_l(10000);
		return;
		}
		}

		if (mVideoRendererIsPreview \|\| mVideoRenderer == NULL) {
		mVideoRendererIsPreview = false;
		@@ -1373,6 +1376,11 @@ void AwesomePlayer::onVideoEvent() {
		mVideoBuffer->release();
		mVideoBuffer = NULL;

		if (wasSeeking && (mFlags & SEEK_PREVIEW)) {
		mFlags &= ~SEEK_PREVIEW;
		return;
		}

		postVideoEvent_l();
		}

media/libstagefright/include/AwesomePlayer.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -119,6 +119,10 @@ private:
		// sufficient data to begin playback and finish the preparation phase
		// for good.
		PREPARING_CONNECTED = 2048,

		// We're triggering a single video event to display the first frame
		// after the seekpoint.
		SEEK_PREVIEW = 4096,
		};

		mutable Mutex mLock;