diff options
Diffstat (limited to 'media/libstagefright/omx/GraphicBufferSource.cpp')
-rw-r--r-- | media/libstagefright/omx/GraphicBufferSource.cpp | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp index b3167b5..6f3ed0d 100644 --- a/media/libstagefright/omx/GraphicBufferSource.cpp +++ b/media/libstagefright/omx/GraphicBufferSource.cpp @@ -36,6 +36,7 @@ GraphicBufferSource::GraphicBufferSource(OMXNodeInstance* nodeInstance, mInitCheck(UNKNOWN_ERROR), mNodeInstance(nodeInstance), mExecuting(false), + mSuspended(false), mNumFramesAvailable(0), mEndOfStream(false), mEndOfStreamSent(false) { @@ -237,9 +238,43 @@ void GraphicBufferSource::codecBufferEmptied(OMX_BUFFERHEADERTYPE* header) { return; } +void GraphicBufferSource::suspend(bool suspend) { + Mutex::Autolock autoLock(mMutex); + + if (suspend) { + mSuspended = true; + + while (mNumFramesAvailable > 0) { + BufferQueue::BufferItem item; + status_t err = mBufferQueue->acquireBuffer(&item, 0); + + if (err == BufferQueue::NO_BUFFER_AVAILABLE) { + // shouldn't happen. + ALOGW("suspend: frame was not available"); + break; + } else if (err != OK) { + ALOGW("suspend: acquireBuffer returned err=%d", err); + break; + } + + --mNumFramesAvailable; + + mBufferQueue->releaseBuffer(item.mBuf, item.mFrameNumber, + EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, item.mFence); + } + return; + } + + mSuspended = false; +} + bool GraphicBufferSource::fillCodecBuffer_l() { CHECK(mExecuting && mNumFramesAvailable > 0); + if (mSuspended) { + return false; + } + int cbi = findAvailableCodecBuffer_l(); if (cbi < 0) { // No buffers available, bail. @@ -416,10 +451,15 @@ void GraphicBufferSource::onFrameAvailable() { ALOGV("onFrameAvailable exec=%d avail=%d", mExecuting, mNumFramesAvailable); - if (mEndOfStream) { - // This should only be possible if a new buffer was queued after - // EOS was signaled, i.e. the app is misbehaving. - ALOGW("onFrameAvailable: EOS is set, ignoring frame"); + if (mEndOfStream || mSuspended) { + if (mEndOfStream) { + // This should only be possible if a new buffer was queued after + // EOS was signaled, i.e. the app is misbehaving. + + ALOGW("onFrameAvailable: EOS is set, ignoring frame"); + } else { + ALOGV("onFrameAvailable: suspended, ignoring frame"); + } BufferQueue::BufferItem item; status_t err = mBufferQueue->acquireBuffer(&item, 0); |