private final void handleStop() { if (DEBUG) Log.v(TAG, "handleStop:"); synchronized (mVideoTask) { internal_stop_video(); mVideoTrackIndex = -1; } if (mVideoMediaCodec != null) { mVideoMediaCodec.stop(); mVideoMediaCodec.release(); mVideoMediaCodec = null; } if (mVideoMediaExtractor != null) { mVideoMediaExtractor.release(); mVideoMediaExtractor = null; } mVideoBufferInfo = null; mVideoInputBuffers = mVideoOutputBuffers = null; if (mMetadata != null) { mMetadata.release(); mMetadata = null; } synchronized (mSync) { mVideoOutputDone = mVideoInputDone = true; mState = STATE_STOP; } mCallback.onFinished(); }
/** * @param sourceFile * @throws IOException */ private final void handlePrepare(final String source_file) throws IOException { if (DEBUG) Log.v(TAG, "handlePrepare:"); synchronized (mSync) { if (mState != STATE_STOP) { throw new RuntimeException("invalid state:" + mState); } } final File src = new File(source_file); if (TextUtils.isEmpty(source_file) || !src.canRead()) { throw new FileNotFoundException("Unable to read " + source_file); } mVideoTrackIndex = -1; mMetadata = new MediaMetadataRetriever(); mMetadata.setDataSource(source_file); updateMovieInfo(); // preparation for video playback mVideoTrackIndex = internal_prepare_video(source_file); if (mVideoTrackIndex < 0) { throw new RuntimeException("No video track found in " + source_file); } synchronized (mSync) { mState = STATE_PREPARED; } mCallback.onPrepared(); }
/** @param frameCallback */ private final void handleOutputVideo(final IFrameCallback frameCallback) { // if (DEBUG) Log.v(TAG, "handleDrainVideo:"); while (mIsRunning && !mVideoOutputDone) { final int decoderStatus = mVideoMediaCodec.dequeueOutputBuffer(mVideoBufferInfo, TIMEOUT_USEC); if (decoderStatus == MediaCodec.INFO_TRY_AGAIN_LATER) { return; } else if (decoderStatus == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) { mVideoOutputBuffers = mVideoMediaCodec.getOutputBuffers(); if (DEBUG) Log.d(TAG, "INFO_OUTPUT_BUFFERS_CHANGED:"); } else if (decoderStatus == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) { final MediaFormat newFormat = mVideoMediaCodec.getOutputFormat(); if (DEBUG) Log.d(TAG, "video decoder output format changed: " + newFormat); } else if (decoderStatus < 0) { throw new RuntimeException( "unexpected result from video decoder.dequeueOutputBuffer: " + decoderStatus); } else { // decoderStatus >= 0 boolean doRender = false; if (mVideoBufferInfo.size > 0) { doRender = (mVideoBufferInfo.size != 0) && !internal_write_video( mVideoOutputBuffers[decoderStatus], 0, mVideoBufferInfo.size, mVideoBufferInfo.presentationTimeUs); if (doRender) { if (!frameCallback.onFrameAvailable(mVideoBufferInfo.presentationTimeUs)) mVideoStartTime = adjustPresentationTime( mVideoSync, mVideoStartTime, mVideoBufferInfo.presentationTimeUs); } } mVideoMediaCodec.releaseOutputBuffer(decoderStatus, doRender); if ((mVideoBufferInfo.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) { if (DEBUG) Log.d(TAG, "video:output EOS"); synchronized (mSync) { mVideoOutputDone = true; mSync.notifyAll(); } } } } }