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author | Andreas Huber <andih@google.com> | 2012-05-17 14:18:50 -0700 |
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committer | Andreas Huber <andih@google.com> | 2012-05-17 14:18:50 -0700 |
commit | bfd4d0d9fe0033abf3f55b94f30f6a58846a875e (patch) | |
tree | 9b8a16246cce7e86b6dcc4e5af147d264d4eb4b9 /media/libmediaplayerservice/nuplayer | |
parent | cd28dc10d49c359566c69d48a29a6f0d3eefa6d9 (diff) | |
download | frameworks_av-bfd4d0d9fe0033abf3f55b94f30f6a58846a875e.zip frameworks_av-bfd4d0d9fe0033abf3f55b94f30f6a58846a875e.tar.gz frameworks_av-bfd4d0d9fe0033abf3f55b94f30f6a58846a875e.tar.bz2 |
Buffer at least 2 secs worth of data at startup of after a seek before
resuming starting RTSP playback.
Change-Id: I060c6c7fd627ab7ebd5c095ddcfdb4cc0f637aad
related-to-bug: 6364126
Diffstat (limited to 'media/libmediaplayerservice/nuplayer')
-rw-r--r-- | media/libmediaplayerservice/nuplayer/RTSPSource.cpp | 39 | ||||
-rw-r--r-- | media/libmediaplayerservice/nuplayer/RTSPSource.h | 3 |
2 files changed, 42 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp index 4c65b65..a138be8 100644 --- a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp +++ b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp @@ -39,6 +39,7 @@ NuPlayer::RTSPSource::RTSPSource( mState(DISCONNECTED), mFinalResult(OK), mDisconnectReplyID(0), + mStartingUp(true), mSeekGeneration(0) { if (headers) { mExtraHeaders = *headers; @@ -104,8 +105,45 @@ sp<MetaData> NuPlayer::RTSPSource::getFormat(bool audio) { return source->getFormat(); } +bool NuPlayer::RTSPSource::haveSufficientDataOnAllTracks() { + // We're going to buffer at least 2 secs worth data on all tracks before + // starting playback (both at startup and after a seek). + + static const int64_t kMinDurationUs = 2000000ll; + + status_t err; + int64_t durationUs; + if (mAudioTrack != NULL + && (durationUs = mAudioTrack->getBufferedDurationUs(&err)) + < kMinDurationUs + && err == OK) { + ALOGV("audio track doesn't have enough data yet. (%.2f secs buffered)", + durationUs / 1E6); + return false; + } + + if (mVideoTrack != NULL + && (durationUs = mVideoTrack->getBufferedDurationUs(&err)) + < kMinDurationUs + && err == OK) { + ALOGV("video track doesn't have enough data yet. (%.2f secs buffered)", + durationUs / 1E6); + return false; + } + + return true; +} + status_t NuPlayer::RTSPSource::dequeueAccessUnit( bool audio, sp<ABuffer> *accessUnit) { + if (mStartingUp) { + if (!haveSufficientDataOnAllTracks()) { + return -EWOULDBLOCK; + } + + mStartingUp = false; + } + sp<AnotherPacketSource> source = getSource(audio); if (source == NULL) { @@ -209,6 +247,7 @@ void NuPlayer::RTSPSource::onMessageReceived(const sp<AMessage> &msg) { case MyHandler::kWhatSeekDone: { mState = CONNECTED; + mStartingUp = true; break; } diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.h b/media/libmediaplayerservice/nuplayer/RTSPSource.h index 59d06ad..e11e304 100644 --- a/media/libmediaplayerservice/nuplayer/RTSPSource.h +++ b/media/libmediaplayerservice/nuplayer/RTSPSource.h @@ -88,6 +88,7 @@ private: State mState; status_t mFinalResult; uint32_t mDisconnectReplyID; + bool mStartingUp; sp<ALooper> mLooper; sp<AHandlerReflector<RTSPSource> > mReflector; @@ -107,6 +108,8 @@ private: void performSeek(int64_t seekTimeUs); + bool haveSufficientDataOnAllTracks(); + DISALLOW_EVIL_CONSTRUCTORS(RTSPSource); }; |