/**
* Method to set byte array to the MediaCodec encoder
*
* @param buffer
* @param length length of byte array, zero means EOS.
* @param presentationTimeUs
*/
protected void encode(byte[] buffer, int length, long presentationTimeUs) {
if (!mIsCapturing) return;
int ix = 0, sz;
final ByteBuffer[] inputBuffers = mMediaCodec.getInputBuffers();
while (mIsCapturing && ix < length) {
final int inputBufferIndex = mMediaCodec.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufferIndex >= 0) {
final ByteBuffer inputBuffer = inputBuffers[inputBufferIndex];
inputBuffer.clear();
sz = inputBuffer.remaining();
sz = (ix + sz < length) ? sz : length - ix;
if (sz > 0 && (buffer != null)) {
inputBuffer.put(buffer, ix, sz);
}
ix += sz;
// if (DEBUG) Log.v(TAG, "encode:queueInputBuffer");
if (length <= 0) {
// send EOS
mIsEOS = true;
if (DEBUG) Log.i(TAG, "send BUFFER_FLAG_END_OF_STREAM");
mMediaCodec.queueInputBuffer(
inputBufferIndex, 0, 0, presentationTimeUs, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
break;
} else {
mMediaCodec.queueInputBuffer(inputBufferIndex, 0, sz, presentationTimeUs, 0);
}
} else if (inputBufferIndex == MediaCodec.INFO_TRY_AGAIN_LATER) {
// wait for MediaCodec encoder is ready to encode
// nothing to do here because MediaCodec#dequeueInputBuffer(TIMEOUT_USEC)
// will wait for maximum TIMEOUT_USEC(10msec) on each call
}
}
}
private final void handleStart() {
if (DEBUG) Log.v(TAG, "handleStart:");
synchronized (mSync) {
if (mState != STATE_PREPARED) throw new RuntimeException("invalid state:" + mState);
mState = STATE_PLAYING;
}
if (mRequestTime > 0) {
handleSeek(mRequestTime);
}
previousVideoPresentationTimeUs = -1;
mVideoInputDone = mVideoOutputDone = true;
Thread videoThread = null;
if (mVideoTrackIndex >= 0) {
final MediaCodec codec = internal_start_video(mVideoMediaExtractor, mVideoTrackIndex);
if (codec != null) {
mVideoMediaCodec = codec;
mVideoBufferInfo = new MediaCodec.BufferInfo();
mVideoInputBuffers = codec.getInputBuffers();
mVideoOutputBuffers = codec.getOutputBuffers();
}
mVideoInputDone = mVideoOutputDone = false;
videoThread = new Thread(mVideoTask, "VideoTask");
}
if (videoThread != null) videoThread.start();
}
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();
}
/**
* Write a media sample to the decoder.
*
* <p>A "sample" here refers to a single atomic access unit in the media stream. The definition of
* "access unit" is dependent on the type of encoding used, but it typically refers to a single
* frame of video or a few seconds of audio. {@link android.media.MediaExtractor} extracts data
* from a stream one sample at a time.
*
* @param extractor Instance of {@link android.media.MediaExtractor} wrapping the media.
* @param presentationTimeUs The time, relative to the beginning of the media stream, at which
* this buffer should be rendered.
* @param flags Flags to pass to the decoder. See {@link MediaCodec#queueInputBuffer(int, int,
* int, long, int)}
* @throws MediaCodec.CryptoException
*/
public boolean writeSample(
final MediaExtractor extractor,
final boolean isSecure,
final long presentationTimeUs,
int flags) {
boolean result = false;
boolean isEos = false;
if (!mAvailableInputBuffers.isEmpty()) {
int index = mAvailableInputBuffers.remove();
ByteBuffer buffer = mInputBuffers[index];
// reads the sample from the file using extractor into the buffer
int size = extractor.readSampleData(buffer, 0);
if (size <= 0) {
flags |= MediaCodec.BUFFER_FLAG_END_OF_STREAM;
}
// Submit the buffer to the codec for decoding. The presentationTimeUs
// indicates the position (play time) for the current sample.
if (!isSecure) {
mDecoder.queueInputBuffer(index, 0, size, presentationTimeUs, flags);
} else {
extractor.getSampleCryptoInfo(cryptoInfo);
mDecoder.queueSecureInputBuffer(index, 0, cryptoInfo, presentationTimeUs, flags);
}
result = true;
}
return result;
}
/**
* Constructs the {@link MediaCodecWrapper} wrapper object around the video codec. The codec is
* created using the encapsulated information in the {@link MediaFormat} object.
*
* @param trackFormat The format of the media object to be decoded.
* @param surface Surface to render the decoded frames.
* @return
*/
public static MediaCodecWrapper fromVideoFormat(final MediaFormat trackFormat, Surface surface) {
MediaCodecWrapper result = null;
MediaCodec videoCodec = null;
// BEGIN_INCLUDE(create_codec)
final String mimeType = trackFormat.getString(MediaFormat.KEY_MIME);
// Check to see if this is actually a video mime type. If it is, then create
// a codec that can decode this mime type.
if (mimeType.contains("video/")) {
try {
videoCodec = MediaCodec.createDecoderByType(mimeType);
videoCodec.configure(trackFormat, surface, null, 0);
} catch (Exception e) {
}
}
// If codec creation was successful, then create a wrapper object around the
// newly created codec.
if (videoCodec != null) {
result = new MediaCodecWrapper(videoCodec);
}
// END_INCLUDE(create_codec)
return result;
}
private final void handleInputVideo() {
long presentationTimeUs = mVideoMediaExtractor.getSampleTime();
if (presentationTimeUs < previousVideoPresentationTimeUs) {
presentationTimeUs += previousVideoPresentationTimeUs - presentationTimeUs; // + EPS;
}
previousVideoPresentationTimeUs = presentationTimeUs;
final boolean b =
internal_process_input(
mVideoMediaCodec, mVideoMediaExtractor, mVideoInputBuffers, presentationTimeUs, false);
if (!b) {
if (DEBUG) Log.i(TAG, "video track input reached EOS");
while (mIsRunning) {
final int inputBufIndex = mVideoMediaCodec.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufIndex >= 0) {
mVideoMediaCodec.queueInputBuffer(
inputBufIndex, 0, 0, 0L, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
if (DEBUG) Log.v(TAG, "sent input EOS:" + mVideoMediaCodec);
break;
}
}
synchronized (mSync) {
mVideoInputDone = true;
mSync.notifyAll();
}
}
}
/** Release all releated objects */
protected void release() {
if (DEBUG) Log.d(TAG, "release:");
try {
mListener.onStopped(this);
} catch (Exception e) {
Log.e(TAG, "failed onStopped", e);
}
mIsCapturing = false;
if (mMediaCodec != null) {
try {
mMediaCodec.stop();
mMediaCodec.release();
mMediaCodec = null;
} catch (Exception e) {
Log.e(TAG, "failed releasing MediaCodec", e);
}
}
if (mMuxerStarted) {
final MediaMuxerWrapper muxer = mWeakMuxer.get();
if (muxer != null) {
try {
muxer.stop();
} catch (Exception e) {
Log.e(TAG, "failed stopping muxer", e);
}
}
}
mBufferInfo = null;
}
private MediaCodecWrapper(MediaCodec codec) {
mDecoder = codec;
codec.start();
mInputBuffers = codec.getInputBuffers();
mOutputBuffers = codec.getOutputBuffers();
mOutputBufferInfo = new MediaCodec.BufferInfo[mOutputBuffers.length];
mAvailableInputBuffers = new ArrayDeque<Integer>(mOutputBuffers.length);
mAvailableOutputBuffers = new ArrayDeque<Integer>(mInputBuffers.length);
}
@Override
public void onDestroy() {
super.onDestroy();
if (encoder != null) {
encoder.stop();
encoder.release();
encoder = null;
}
}
// Dequeue and return an output buffer index, -1 if no output
// buffer available or -2 if error happened.
private DecoderOutputBufferInfo dequeueOutputBuffer(int dequeueTimeoutUs) {
checkOnMediaCodecThread();
try {
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
int result = mediaCodec.dequeueOutputBuffer(info, dequeueTimeoutUs);
while (result == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED
|| result == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
if (result == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
outputBuffers = mediaCodec.getOutputBuffers();
Logging.d(TAG, "Decoder output buffers changed: " + outputBuffers.length);
} else if (result == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat format = mediaCodec.getOutputFormat();
Logging.d(TAG, "Decoder format changed: " + format.toString());
width = format.getInteger(MediaFormat.KEY_WIDTH);
height = format.getInteger(MediaFormat.KEY_HEIGHT);
if (!useSurface && format.containsKey(MediaFormat.KEY_COLOR_FORMAT)) {
colorFormat = format.getInteger(MediaFormat.KEY_COLOR_FORMAT);
Logging.d(TAG, "Color: 0x" + Integer.toHexString(colorFormat));
// Check if new color space is supported.
boolean validColorFormat = false;
for (int supportedColorFormat : supportedColorList) {
if (colorFormat == supportedColorFormat) {
validColorFormat = true;
break;
}
}
if (!validColorFormat) {
Logging.e(TAG, "Non supported color format");
return new DecoderOutputBufferInfo(-1, 0, 0, -1);
}
}
if (format.containsKey("stride")) {
stride = format.getInteger("stride");
}
if (format.containsKey("slice-height")) {
sliceHeight = format.getInteger("slice-height");
}
Logging.d(TAG, "Frame stride and slice height: " + stride + " x " + sliceHeight);
stride = Math.max(width, stride);
sliceHeight = Math.max(height, sliceHeight);
}
result = mediaCodec.dequeueOutputBuffer(info, dequeueTimeoutUs);
}
if (result >= 0) {
return new DecoderOutputBufferInfo(result, info.offset, info.size, info.presentationTimeUs);
}
return null;
} catch (IllegalStateException e) {
Logging.e(TAG, "dequeueOutputBuffer failed", e);
return new DecoderOutputBufferInfo(-1, 0, 0, -1);
}
}
/* */ private void g() {
/* 434 */ a.a("formatNotSupportMsg start");
/* 435 */ if (a.a != null) {
/* 436 */ Message localMessage = new Message();
/* 437 */ localMessage.what = 1;
/* 438 */ localMessage.arg1 = HKErrorCode.ERROR_MEDIA_UNSUPPORTED.ordinal();
/* 439 */ Bundle localBundle = new Bundle();
/* 440 */ localBundle.putString("errorMesg", "media format is not supported !");
/* 441 */ localMessage.setData(localBundle);
/* 442 */ a.a.sendMessage(localMessage);
/* */ }
/* 444 */ a.a("formatNotSupportMsg end");
/* */ }
private void releaseEncoder() {
// Release encoder
if (VERBOSE) {
Log.v(TAG, "releasing encoder");
}
if (mEncoder != null) {
mEncoder.stop();
mEncoder.release();
if (mRecordingSurface != null) {
mRecordingSurface.release();
}
mEncoder = null;
}
}
/**
* @param media_extractor
* @param trackIndex
* @return
*/
protected MediaCodec internal_start_video(
final MediaExtractor media_extractor, final int trackIndex) {
if (DEBUG) Log.v(TAG, "internal_start_video:");
MediaCodec codec = null;
if (trackIndex >= 0) {
final MediaFormat format = media_extractor.getTrackFormat(trackIndex);
final String mime = format.getString(MediaFormat.KEY_MIME);
codec = MediaCodec.createDecoderByType(mime);
codec.configure(format, mOutputSurface, null, 0);
codec.start();
if (DEBUG) Log.v(TAG, "internal_start_video:codec started");
}
return codec;
}
/** Synchronize this object's state with the internal state of the wrapped MediaCodec. */
private void update() {
// BEGIN_INCLUDE(update_codec_state)
int index;
// Get valid input buffers from the codec to fill later in the same order they were
// made available by the codec.
while ((index = mDecoder.dequeueInputBuffer(0)) != MediaCodec.INFO_TRY_AGAIN_LATER) {
mAvailableInputBuffers.add(index);
}
// Likewise with output buffers. If the output buffers have changed, start using the
// new set of output buffers. If the output format has changed, notify listeners.
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
while ((index = mDecoder.dequeueOutputBuffer(info, 0)) != MediaCodec.INFO_TRY_AGAIN_LATER) {
switch (index) {
case MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED:
mOutputBuffers = mDecoder.getOutputBuffers();
mOutputBufferInfo = new MediaCodec.BufferInfo[mOutputBuffers.length];
mAvailableOutputBuffers.clear();
break;
case MediaCodec.INFO_OUTPUT_FORMAT_CHANGED:
if (mOutputFormatChangedListener != null) {
mHandler.post(
new Runnable() {
@Override
public void run() {
mOutputFormatChangedListener.outputFormatChanged(
MediaCodecWrapper.this, mDecoder.getOutputFormat());
}
});
}
break;
default:
// Making sure the index is valid before adding to output buffers. We've already
// handled INFO_TRY_AGAIN_LATER, INFO_OUTPUT_FORMAT_CHANGED &
// INFO_OUTPUT_BUFFERS_CHANGED i.e all the other possible return codes but
// asserting index value anyways for future-proofing the code.
if (index >= 0) {
mOutputBufferInfo[index] = info;
mAvailableOutputBuffers.add(index);
} else {
throw new IllegalStateException("Unknown status from dequeueOutputBuffer");
}
break;
}
}
// END_INCLUDE(update_codec_state)
}
private void initStream() throws IOException, IllegalArgumentException {
L.v(TAG, "initStream called in state=" + state);
lock.lock();
try {
extractor = new MediaExtractor();
if (path != null) {
extractor.setDataSource(path);
} else {
error("initStream");
throw new IOException();
}
int trackNum = 0;
final MediaFormat oFormat = extractor.getTrackFormat(trackNum);
if (!oFormat.containsKey(MediaFormat.KEY_SAMPLE_RATE)) {
error("initStream");
throw new IOException("No KEY_SAMPLE_RATE");
}
int sampleRate = oFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE);
if (!oFormat.containsKey(MediaFormat.KEY_CHANNEL_COUNT)) {
error("initStream");
throw new IOException("No KEY_CHANNEL_COUNT");
}
int channelCount = oFormat.getInteger(MediaFormat.KEY_CHANNEL_COUNT);
if (!oFormat.containsKey(MediaFormat.KEY_MIME)) {
error("initStream");
throw new IOException("No KEY_MIME");
}
final String mime = oFormat.getString(MediaFormat.KEY_MIME);
if (!oFormat.containsKey(MediaFormat.KEY_DURATION)) {
error("initStream");
throw new IOException("No KEY_DURATION");
}
duration = oFormat.getLong(MediaFormat.KEY_DURATION);
L.v(TAG, "Sample rate: " + sampleRate);
L.v(TAG, "Mime type: " + mime);
initDevice(sampleRate, channelCount);
extractor.selectTrack(trackNum);
codec = MediaCodec.createDecoderByType(mime);
codec.configure(oFormat, null, null, 0);
} finally {
lock.unlock();
}
}
@Override
protected void prepare() throws IOException {
if (DEBUG) Log.v(TAG, "prepare:");
mTrackIndex = -1;
mMuxerStarted = mIsEOS = false;
// prepare MediaCodec for AAC encoding of audio data from inernal mic.
final MediaCodecInfo audioCodecInfo = selectAudioCodec(MIME_TYPE);
if (audioCodecInfo == null) {
Log.e(TAG, "Unable to find an appropriate codec for " + MIME_TYPE);
return;
}
if (DEBUG) Log.i(TAG, "selected codec: " + audioCodecInfo.getName());
final MediaFormat audioFormat = MediaFormat.createAudioFormat(MIME_TYPE, SAMPLE_RATE, 1);
audioFormat.setInteger(
MediaFormat.KEY_AAC_PROFILE, MediaCodecInfo.CodecProfileLevel.AACObjectLC);
audioFormat.setInteger(MediaFormat.KEY_CHANNEL_MASK, AudioFormat.CHANNEL_IN_MONO);
audioFormat.setInteger(MediaFormat.KEY_BIT_RATE, BIT_RATE);
audioFormat.setInteger(MediaFormat.KEY_CHANNEL_COUNT, 1);
// audioFormat.setLong(MediaFormat.KEY_MAX_INPUT_SIZE, inputFile.length());
// audioFormat.setLong(MediaFormat.KEY_DURATION, (long)durationInMs );
if (DEBUG) Log.i(TAG, "format: " + audioFormat);
mMediaCodec = MediaCodec.createEncoderByType(MIME_TYPE);
mMediaCodec.configure(audioFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
mMediaCodec.start();
if (DEBUG) Log.i(TAG, "prepare finishing");
if (mListener != null) {
try {
mListener.onPrepared(this);
} catch (final Exception e) {
Log.e(TAG, "prepare:", e);
}
}
}
/** Video encoding is done by a MediaCodec. But here we will use the buffer-to-surface method */
@SuppressLint({"InlinedApi", "NewApi"})
protected void encodeWithMediaCodecMethod2() throws RuntimeException, IOException {
Log.d(TAG, "Video encoded using the MediaCodec API with a surface");
// Updates the parameters of the camera if needed
createCamera();
updateCamera();
// Estimates the framerate of the camera
measureFramerate();
EncoderDebugger debugger = EncoderDebugger.debug(mSettings, mQuality.resX, mQuality.resY);
mMediaCodec = MediaCodec.createByCodecName(debugger.getEncoderName());
MediaFormat mediaFormat =
MediaFormat.createVideoFormat("video/avc", mQuality.resX, mQuality.resY);
mediaFormat.setInteger(MediaFormat.KEY_BIT_RATE, mQuality.bitrate);
mediaFormat.setInteger(MediaFormat.KEY_FRAME_RATE, mQuality.framerate);
mediaFormat.setInteger(
MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
mediaFormat.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 1);
mMediaCodec.configure(mediaFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
Surface surface = mMediaCodec.createInputSurface();
((SurfaceView) mSurfaceView).addMediaCodecSurface(surface);
mMediaCodec.start();
mStreaming = true;
}
@Override
protected void onOutputFormatChanged(MediaCodec codec, android.media.MediaFormat outputFormat) {
boolean hasCrop =
outputFormat.containsKey(KEY_CROP_RIGHT)
&& outputFormat.containsKey(KEY_CROP_LEFT)
&& outputFormat.containsKey(KEY_CROP_BOTTOM)
&& outputFormat.containsKey(KEY_CROP_TOP);
currentWidth =
hasCrop
? outputFormat.getInteger(KEY_CROP_RIGHT) - outputFormat.getInteger(KEY_CROP_LEFT) + 1
: outputFormat.getInteger(android.media.MediaFormat.KEY_WIDTH);
currentHeight =
hasCrop
? outputFormat.getInteger(KEY_CROP_BOTTOM) - outputFormat.getInteger(KEY_CROP_TOP) + 1
: outputFormat.getInteger(android.media.MediaFormat.KEY_HEIGHT);
currentPixelWidthHeightRatio = pendingPixelWidthHeightRatio;
if (Util.SDK_INT >= 21) {
// On API level 21 and above the decoder applies the rotation when rendering to the surface.
// Hence currentUnappliedRotation should always be 0. For 90 and 270 degree rotations, we need
// to flip the width, height and pixel aspect ratio to reflect the rotation that was applied.
if (pendingRotationDegrees == 90 || pendingRotationDegrees == 270) {
int rotatedHeight = currentWidth;
currentWidth = currentHeight;
currentHeight = rotatedHeight;
currentPixelWidthHeightRatio = 1 / currentPixelWidthHeightRatio;
}
} else {
// On API level 20 and below the decoder does not apply the rotation.
currentUnappliedRotationDegrees = pendingRotationDegrees;
}
// Must be applied each time the output format changes.
codec.setVideoScalingMode(videoScalingMode);
}
/**
* Create the display surface out of the encoder. The data to encoder will be fed from this
* Surface itself.
*
* @return
* @throws IOException
*/
@TargetApi(19)
private Surface createDisplaySurface() throws IOException {
MediaFormat mMediaFormat =
MediaFormat.createVideoFormat(CodecUtils.MIME_TYPE, CodecUtils.WIDTH, CodecUtils.HEIGHT);
mMediaFormat.setInteger(MediaFormat.KEY_BIT_RATE, (int) (1024 * 1024 * 0.5));
mMediaFormat.setInteger(MediaFormat.KEY_FRAME_RATE, 30);
mMediaFormat.setInteger(
MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
mMediaFormat.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 1);
Log.i(TAG, "Starting encoder");
encoder = MediaCodec.createEncoderByType(CodecUtils.MIME_TYPE);
encoder.configure(mMediaFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
Surface surface = encoder.createInputSurface();
return surface;
}
// Dequeue an input buffer and return its index, -1 if no input buffer is
// available, or -2 if the codec is no longer operative.
private int dequeueInputBuffer() {
checkOnMediaCodecThread();
try {
return mediaCodec.dequeueInputBuffer(DEQUEUE_INPUT_TIMEOUT);
} catch (IllegalStateException e) {
Logging.e(TAG, "dequeueIntputBuffer failed", e);
return -2;
}
}
public void prepareEncode() {
MediaFormat mediaFormat = MediaFormat.createVideoFormat(MIME_TYPE, mWidth, mHeight);
// 描述视频格式的信息
mediaFormat.setInteger(
MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
mediaFormat.setInteger(MediaFormat.KEY_BIT_RATE, BITRATE); // 比特率
mediaFormat.setInteger(MediaFormat.KEY_FRAME_RATE, FRAME_RATE); // 帧数
mediaFormat.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, IFRAME_INTERVAL); // 关键帧间隔时间
try {
mEncoder = MediaCodec.createEncoderByType(MIME_TYPE);
mEncoder.configure(mediaFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
mSurface = mEncoder.createInputSurface();
mEncoder.start();
mediaMuxer = new MediaMuxer(filePath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
} catch (IOException e) {
e.printStackTrace();
}
}
// Override configureCodec to provide the surface.
@Override
protected void configureCodec(
MediaCodec codec,
boolean codecIsAdaptive,
android.media.MediaFormat format,
MediaCrypto crypto) {
maybeSetMaxInputSize(format, codecIsAdaptive);
codec.configure(format, surface, crypto, 0);
}
protected void renderOutputBuffer(MediaCodec codec, int bufferIndex) {
maybeNotifyVideoSizeChanged();
TraceUtil.beginSection("releaseOutputBuffer");
codec.releaseOutputBuffer(bufferIndex, true);
TraceUtil.endSection();
codecCounters.renderedOutputBufferCount++;
renderedFirstFrame = true;
maybeNotifyDrawnToSurface();
}
/** @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();
}
}
}
}
}
// Release a dequeued output buffer back to the codec for re-use. Return
// false if the codec is no longer operable.
private boolean releaseOutputBuffer(int index) {
checkOnMediaCodecThread();
try {
mediaCodec.releaseOutputBuffer(index, useSurface);
return true;
} catch (IllegalStateException e) {
Logging.e(TAG, "releaseOutputBuffer failed", e);
return false;
}
}
void setup() {
int width = 0, height = 0;
extractor = new MediaExtractor();
try {
extractor.setDataSource(mVideoFile.getPath());
} catch (IOException e) {
return;
}
for (int i = 0; i < extractor.getTrackCount(); i++) {
MediaFormat format = extractor.getTrackFormat(i);
String mime = format.getString(MediaFormat.KEY_MIME);
width = format.getInteger(MediaFormat.KEY_WIDTH);
height = format.getInteger(MediaFormat.KEY_HEIGHT);
if (mime.startsWith("video/")) {
extractor.selectTrack(i);
try {
decoder = MediaCodec.createDecoderByType(mime);
} catch (IOException e) {
continue;
}
// Decode to surface
// decoder.configure(format, surface, null, 0);
// Decode to offscreen surface
surface = new CtsMediaOutputSurface(width, height);
mMatBuffer = new MatBuffer(width, height);
decoder.configure(format, surface.getSurface(), null, 0);
break;
}
}
if (decoder == null) {
Log.e("VideoDecoderForOpenCV", "Can't find video info!");
return;
}
valid = true;
}
private void release() {
if (mEncoder != null) {
mEncoder.stop();
mEncoder.release();
mEncoder = null;
}
if (mVirtualDisplay != null) {
mVirtualDisplay.release();
}
if (displayManager != null) {
displayManager = null;
}
if (mediaMuxer != null) {
mediaMuxer.stop();
mediaMuxer.release();
mediaMuxer = null;
}
}
private boolean queueInputBuffer(int inputBufferIndex, int size, long timestampUs) {
checkOnMediaCodecThread();
try {
inputBuffers[inputBufferIndex].position(0);
inputBuffers[inputBufferIndex].limit(size);
mediaCodec.queueInputBuffer(inputBufferIndex, 0, size, timestampUs, 0);
return true;
} catch (IllegalStateException e) {
Logging.e(TAG, "decode failed", e);
return false;
}
}
/**
* Checks the video file to see if the contents match our expectations. We decode the video to a
* Surface and check the pixels with GL.
*/
private void checkVideoFile(VideoChunks inputData) {
OutputSurface surface = null;
MediaCodec decoder = null;
mLargestColorDelta = -1;
if (VERBOSE) Log.d(TAG, "checkVideoFile");
try {
surface = new OutputSurface(mWidth, mHeight);
MediaFormat format = inputData.getMediaFormat();
decoder = MediaCodec.createDecoderByType(MIME_TYPE);
decoder.configure(format, surface.getSurface(), null, 0);
decoder.start();
int badFrames = checkVideoData(inputData, decoder, surface);
if (badFrames != 0) {
fail("Found " + badFrames + " bad frames");
}
} finally {
if (surface != null) {
surface.release();
}
if (decoder != null) {
decoder.stop();
decoder.release();
}
Log.i(TAG, "Largest color delta: " + mLargestColorDelta);
}
}
/**
* @param codec
* @param extractor
* @param inputBuffers
* @param presentationTimeUs
* @param isAudio
*/
protected boolean internal_process_input(
final MediaCodec codec,
final MediaExtractor extractor,
final ByteBuffer[] inputBuffers,
final long presentationTimeUs,
final boolean isAudio) {
// if (DEBUG) Log.v(TAG, "internal_process_input:presentationTimeUs=" + presentationTimeUs);
boolean result = true;
while (mIsRunning) {
final int inputBufIndex = codec.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufIndex == MediaCodec.INFO_TRY_AGAIN_LATER) break;
if (inputBufIndex >= 0) {
final int size = extractor.readSampleData(inputBuffers[inputBufIndex], 0);
if (size > 0) {
codec.queueInputBuffer(inputBufIndex, 0, size, presentationTimeUs, 0);
}
result = extractor.advance(); // return false if no data is available
break;
}
}
return result;
}
