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();
}
}
}
}
}
