Java Code Examples for android.media.MediaCodec#getInputBuffers()
The following examples show how to use
android.media.MediaCodec#getInputBuffers() .
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Example 1
| Source File: MediaVideoPlayer.java From AudioVideoPlayerSample with Apache License 2.0 | 6 votes |
|
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 = internalStartVideo(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();
}
Example 2
| Source File: MediaCodecBufferCompatWrapper.java From Pix-Art-Messenger with GNU General Public License v3.0 | 5 votes |
|
public MediaCodecBufferCompatWrapper(MediaCodec mediaCodec) {
mMediaCodec = mediaCodec;
if (Build.VERSION.SDK_INT < 21) {
mInputBuffers = mediaCodec.getInputBuffers();
mOutputBuffers = mediaCodec.getOutputBuffers();
} else {
mInputBuffers = mOutputBuffers = null;
}
}
Example 3
| Source File: MediaCodecBuffers.java From Lassi-Android with MIT License | 5 votes |
|
MediaCodecBuffers(MediaCodec mediaCodec) {
mMediaCodec = mediaCodec;
if (Build.VERSION.SDK_INT < 21) {
mInputBuffers = mediaCodec.getInputBuffers();
mOutputBuffers = mediaCodec.getOutputBuffers();
} else {
mInputBuffers = mOutputBuffers = null;
}
}
Example 4
| Source File: MediaCodecBufferCompatWrapper.java From phoenix with Apache License 2.0 | 5 votes |
|
public MediaCodecBufferCompatWrapper(MediaCodec mediaCodec) {
mMediaCodec = mediaCodec;
if (Build.VERSION.SDK_INT < 21) {
mInputBuffers = mediaCodec.getInputBuffers();
mOutputBuffers = mediaCodec.getOutputBuffers();
} else {
mInputBuffers = mOutputBuffers = null;
}
}
Example 5
| Source File: RecordingService.java From libcommon with Apache License 2.0 | 5 votes |
|
/**
* バイト配列をエンコードする場合
* @param buffer
* @param length 書き込むバイト配列の長さ。0ならBUFFER_FLAG_END_OF_STREAMフラグをセットする
* @param presentationTimeUs [マイクロ秒]
*/
private void encode(@NonNull final MediaCodec encoder,
@Nullable final ByteBuffer buffer, final int length, final long presentationTimeUs) {
if (BuildCheck.isLollipop()) {
encodeV21(encoder, buffer, length, presentationTimeUs);
} else {
final ByteBuffer[] inputBuffers = encoder.getInputBuffers();
for ( ; isRecording() && !mIsEos ;) {
final int inputBufferIndex = encoder.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufferIndex >= 0) {
final ByteBuffer inputBuffer = inputBuffers[inputBufferIndex];
inputBuffer.clear();
if (buffer != null) {
inputBuffer.put(buffer);
}
// if (DEBUG) Log.v(TAG, "encode:queueInputBuffer");
if (length <= 0) {
// エンコード要求サイズが0の時はEOSを送信
mIsEos = true;
// if (DEBUG) Log.i(TAG, "send BUFFER_FLAG_END_OF_STREAM");
encoder.queueInputBuffer(inputBufferIndex, 0, 0,
presentationTimeUs, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
} else {
encoder.queueInputBuffer(inputBufferIndex, 0, length,
presentationTimeUs, 0);
}
break;
// } else if (inputBufferIndex == MediaCodec.INFO_TRY_AGAIN_LATER) {
// 送れるようになるまでループする
// MediaCodec#dequeueInputBufferにタイムアウト(10ミリ秒)をセットしているのでここでは待機しない
}
}
}
}
Example 6
| Source File: MediaCodecWrapper.java From ScreenCapture with MIT License | 5 votes |
|
private MediaCodecWrapper(MediaCodec codec) {
mDecoder = codec;
codec.start();
mInputBuffers = codec.getInputBuffers();
mOutputBuffers = codec.getOutputBuffers();
mOutputBufferInfo = new MediaCodec.BufferInfo[mOutputBuffers.length];
mAvailableInputBuffers = new ArrayDeque<>(mOutputBuffers.length);
mAvailableOutputBuffers = new ArrayDeque<>(mInputBuffers.length);
}
Example 7
| Source File: Mp4Processor.java From AAVT with Apache License 2.0 | 5 votes |
|
private ByteBuffer getInputBuffer(MediaCodec codec, int index){
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
return codec.getInputBuffer(index);
}else{
return codec.getInputBuffers()[index];
}
}
Example 8
| Source File: MediaCodecWrapper.java From patrol-android with GNU General Public License v3.0 | 5 votes |
|
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);
}
Example 9
| Source File: CodecUtil.java From AAVT with Apache License 2.0 | 5 votes |
|
public static ByteBuffer getInputBuffer(MediaCodec codec, int index){
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
return codec.getInputBuffer(index);
}else{
return codec.getInputBuffers()[index];
}
}
Example 10
| Source File: MediaCodecRenderer.java From TelePlus-Android with GNU General Public License v2.0 | 4 votes |
|
private void getCodecBuffers(MediaCodec codec) {
if (Util.SDK_INT < 21) {
inputBuffers = codec.getInputBuffers();
outputBuffers = codec.getOutputBuffers();
}
}
Example 11
| Source File: ExtractMpegFramesTest_egl14.java From Android-MediaCodec-Examples with Apache License 2.0 | 4 votes |
|
/**
* Work loop.
*/
static void doExtract(MediaExtractor extractor, int trackIndex, MediaCodec decoder,
CodecOutputSurface outputSurface) throws IOException {
final int TIMEOUT_USEC = 10000;
ByteBuffer[] decoderInputBuffers = decoder.getInputBuffers();
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
int inputChunk = 0;
int decodeCount = 0;
long frameSaveTime = 0;
boolean outputDone = false;
boolean inputDone = false;
while (!outputDone) {
if (VERBOSE) Log.d(TAG, "loop");
// Feed more data to the decoder.
if (!inputDone) {
int inputBufIndex = decoder.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufIndex >= 0) {
ByteBuffer inputBuf = decoderInputBuffers[inputBufIndex];
// Read the sample data into the ByteBuffer. This neither respects nor
// updates inputBuf's position, limit, etc.
int chunkSize = extractor.readSampleData(inputBuf, 0);
if (chunkSize < 0) {
// End of stream -- send empty frame with EOS flag set.
decoder.queueInputBuffer(inputBufIndex, 0, 0, 0L,
MediaCodec.BUFFER_FLAG_END_OF_STREAM);
inputDone = true;
if (VERBOSE) Log.d(TAG, "sent input EOS");
} else {
if (extractor.getSampleTrackIndex() != trackIndex) {
Log.w(TAG, "WEIRD: got sample from track " +
extractor.getSampleTrackIndex() + ", expected " + trackIndex);
}
long presentationTimeUs = extractor.getSampleTime();
decoder.queueInputBuffer(inputBufIndex, 0, chunkSize,
presentationTimeUs, 0 /*flags*/);
if (VERBOSE) {
Log.d(TAG, "submitted frame " + inputChunk + " to dec, size=" +
chunkSize);
}
inputChunk++;
extractor.advance();
}
} else {
if (VERBOSE) Log.d(TAG, "input buffer not available");
}
}
if (!outputDone) {
int decoderStatus = decoder.dequeueOutputBuffer(info, TIMEOUT_USEC);
if (decoderStatus == MediaCodec.INFO_TRY_AGAIN_LATER) {
// no output available yet
if (VERBOSE) Log.d(TAG, "no output from decoder available");
} else if (decoderStatus == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
// not important for us, since we're using Surface
if (VERBOSE) Log.d(TAG, "decoder output buffers changed");
} else if (decoderStatus == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat newFormat = decoder.getOutputFormat();
if (VERBOSE) Log.d(TAG, "decoder output format changed: " + newFormat);
} else if (decoderStatus < 0) {
fail("unexpected result from decoder.dequeueOutputBuffer: " + decoderStatus);
} else { // decoderStatus >= 0
if (VERBOSE) Log.d(TAG, "surface decoder given buffer " + decoderStatus +
" (size=" + info.size + ")");
if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
if (VERBOSE) Log.d(TAG, "output EOS");
outputDone = true;
}
boolean doRender = (info.size != 0);
// As soon as we call releaseOutputBuffer, the buffer will be forwarded
// to SurfaceTexture to convert to a texture. The API doesn't guarantee
// that the texture will be available before the call returns, so we
// need to wait for the onFrameAvailable callback to fire.
decoder.releaseOutputBuffer(decoderStatus, doRender);
if (doRender) {
if (VERBOSE) Log.d(TAG, "awaiting decode of frame " + decodeCount);
outputSurface.awaitNewImage();
outputSurface.drawImage(true);
if (decodeCount < MAX_FRAMES) {
File outputFile = new File(FILES_DIR,
String.format("frame-%02d.png", decodeCount));
long startWhen = System.nanoTime();
outputSurface.saveFrame(outputFile.toString());
frameSaveTime += System.nanoTime() - startWhen;
}
decodeCount++;
}
}
}
}
int numSaved = (MAX_FRAMES < decodeCount) ? MAX_FRAMES : decodeCount;
Log.d(TAG, "Saving " + numSaved + " frames took " +
(frameSaveTime / numSaved / 1000) + " us per frame");
}
Example 12
| Source File: VideoEncoder.java From haven with GNU General Public License v3.0 | 4 votes |
|
/**
* Does the actual work for encoding frames from buffers of byte[].
*/
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
@SuppressLint("InlinedApi")
private boolean doEncodeDecodeVideoFromBuffer(MediaCodec encoder,
int encoderColorFormat)
{
final int TIMEOUT_USEC = 10000;
ByteBuffer[] encoderInputBuffers = encoder.getInputBuffers();
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
int generateIndex = 0;
// yuv format
byte[] frameData = new byte[mWidth * mHeight * 3 / 2];
// Loop until the output side is done.
boolean inputDone = false;
// If we're not done submitting frames, generate a new one and submit
// it. By
// doing this on every loop we're working to ensure that the encoder
// always has
// work to do.
while (!inputDone)
{
int inputBufIndex = encoder.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufIndex >= 0)
{
long ptsUsec = computePresentationTime(generateIndex);
if (generateIndex >= frames.size())
{
// Send an empty frame with the end-of-stream flag set. If
// we set EOS
// on a frame with data, that frame data will be ignored,
// and the
// output will be short one frame.
encoder.queueInputBuffer(inputBufIndex, 0, 0, ptsUsec,
MediaCodec.BUFFER_FLAG_END_OF_STREAM);
inputDone = true;
drainEncoder(true, info);
} else
{
try
{
generateFrame(generateIndex, encoderColorFormat,
frameData);
} catch (Exception e)
{
Log.i(TAG, "meet a different type of image");
Arrays.fill(frameData, (byte) 0);
}
if (VERBOSE)
Log.i(TAG, "generateIndex: " + generateIndex
+ ", size: " + frames.size());
ByteBuffer inputBuf = encoderInputBuffers[inputBufIndex];
// the buffer should be sized to hold one full frame
inputBuf.clear();
inputBuf.put(frameData);
encoder.queueInputBuffer(inputBufIndex, 0,
frameData.length, ptsUsec, 0);
drainEncoder(false, info);
}
generateIndex++;
} else
{
// either all in use, or we timed out during initial setup
if (VERBOSE)
Log.i(TAG, "input buffer not available");
}
}
return true;
}
Example 13
| Source File: EncodedAudioRecorder.java From AlexaAndroid with GNU General Public License v2.0 | 4 votes |
|
/**
* Reads bytes from the given recorder and encodes them with the given encoder.
* Uses the (deprecated) Synchronous Processing using Buffer Arrays.
* <p/>
* Encoders (or codecs that generate compressed data) will create and return the codec specific
* data before any valid output buffer in output buffers marked with the codec-config flag.
* Buffers containing codec-specific-data have no meaningful timestamps.
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private void recorderEncoderLoop(MediaCodec codec, SpeechRecord speechRecord) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
codec.start();
// Getting some buffers (e.g. 4 of each) to communicate with the codec
ByteBuffer[] codecInputBuffers = codec.getInputBuffers();
ByteBuffer[] codecOutputBuffers = codec.getOutputBuffers();
Log.i("input buffers " + codecInputBuffers.length + "; output buffers: " + codecOutputBuffers.length);
boolean doneSubmittingInput = false;
int numRetriesDequeueOutputBuffer = 0;
int index;
while (true) {
if (!doneSubmittingInput) {
index = codec.dequeueInputBuffer(DEQUEUE_TIMEOUT);
if (index >= 0) {
int size = queueInputBuffer(codec, codecInputBuffers, index, speechRecord);
if (size == -1) {
codec.queueInputBuffer(index, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
Log.i("enc: in: EOS");
doneSubmittingInput = true;
} else {
Log.i("enc: in: " + size);
mNumBytesSubmitted += size;
}
} else {
Log.i("enc: in: timeout, will try again");
}
}
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
index = codec.dequeueOutputBuffer(info, DEQUEUE_TIMEOUT);
Log.i("enc: out: flags/index: " + info.flags + "/" + index);
if (index == MediaCodec.INFO_TRY_AGAIN_LATER) {
Log.i("enc: out: INFO_TRY_AGAIN_LATER: " + numRetriesDequeueOutputBuffer);
if (++numRetriesDequeueOutputBuffer > MAX_NUM_RETRIES_DEQUEUE_OUTPUT_BUFFER) {
break;
}
} else if (index == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat format = codec.getOutputFormat();
Log.i("enc: out: INFO_OUTPUT_FORMAT_CHANGED: " + format.toString());
} else if (index == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
codecOutputBuffers = codec.getOutputBuffers();
Log.i("enc: out: INFO_OUTPUT_BUFFERS_CHANGED");
} else {
dequeueOutputBuffer(codec, codecOutputBuffers, index, info);
mNumBytesDequeued += info.size;
if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
Log.i("enc: out: EOS");
break;
}
}
}
codec.stop();
codec.release();
}
}
Example 14
| Source File: EncodedAudioRecorder.java From speechutils with Apache License 2.0 | 4 votes |
|
/**
* Reads bytes from the given recorder and encodes them with the given encoder.
* Uses the (deprecated) Synchronous Processing using Buffer Arrays.
* <p/>
* Encoders (or codecs that generate compressed data) will create and return the codec specific
* data before any valid output buffer in output buffers marked with the codec-config flag.
* Buffers containing codec-specific-data have no meaningful timestamps.
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private int recorderEncoderLoop(MediaCodec codec, SpeechRecord speechRecord) {
int status = -1;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
codec.start();
// Getting some buffers (e.g. 4 of each) to communicate with the codec
ByteBuffer[] codecInputBuffers = codec.getInputBuffers();
ByteBuffer[] codecOutputBuffers = codec.getOutputBuffers();
Log.i("input buffers " + codecInputBuffers.length + "; output buffers: " + codecOutputBuffers.length);
boolean doneSubmittingInput = false;
int numDequeueOutputBufferTimeout = 0;
int index;
while (true) {
if (!doneSubmittingInput) {
index = codec.dequeueInputBuffer(DEQUEUE_INPUT_BUFFER_TIMEOUT);
if (index >= 0) {
int size = queueInputBuffer(codec, codecInputBuffers, index, speechRecord);
if (size == -1) {
codec.queueInputBuffer(index, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
Log.i("enc: in: EOS");
doneSubmittingInput = true;
} else {
Log.i("enc: in: " + size);
mNumBytesSubmitted += size;
}
} else {
Log.i("enc: in: timeout, will try again");
}
}
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
index = codec.dequeueOutputBuffer(info, DEQUEUE_OUTPUT_BUFFER_TIMEOUT);
Log.i("enc: out: flags/index: " + info.flags + "/" + index);
if (index == MediaCodec.INFO_TRY_AGAIN_LATER) {
numDequeueOutputBufferTimeout++;
Log.i("enc: out: INFO_TRY_AGAIN_LATER: " + numDequeueOutputBufferTimeout);
if (numDequeueOutputBufferTimeout > MAX_NUM_RETRIES_DEQUEUE_OUTPUT_BUFFER) {
break;
}
} else if (index == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat format = codec.getOutputFormat();
Log.i("enc: out: INFO_OUTPUT_FORMAT_CHANGED: " + format.toString());
} else if (index == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
codecOutputBuffers = codec.getOutputBuffers();
Log.i("enc: out: INFO_OUTPUT_BUFFERS_CHANGED");
} else {
dequeueOutputBuffer(codec, codecOutputBuffers, index, info);
mNumBytesDequeued += info.size;
numDequeueOutputBufferTimeout = 0;
if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
Log.i("enc: out: EOS");
status = 0;
break;
}
}
}
codec.stop();
codec.release();
Log.i("stopped and released codec");
}
return status;
}
Example 15
| Source File: ExtractMpegFramesTest.java From Android-MediaCodec-Examples with Apache License 2.0 | 4 votes |
|
/**
* Work loop.
*/
static void doExtract(MediaExtractor extractor, int trackIndex, MediaCodec decoder,
CodecOutputSurface outputSurface) throws IOException {
final int TIMEOUT_USEC = 10000;
ByteBuffer[] decoderInputBuffers = decoder.getInputBuffers();
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
int inputChunk = 0;
int decodeCount = 0;
long frameSaveTime = 0;
boolean outputDone = false;
boolean inputDone = false;
while (!outputDone) {
if (VERBOSE) Log.d(TAG, "loop");
// Feed more data to the decoder.
if (!inputDone) {
int inputBufIndex = decoder.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufIndex >= 0) {
ByteBuffer inputBuf = decoderInputBuffers[inputBufIndex];
// Read the sample data into the ByteBuffer. This neither respects nor
// updates inputBuf's position, limit, etc.
int chunkSize = extractor.readSampleData(inputBuf, 0);
if (chunkSize < 0) {
// End of stream -- send empty frame with EOS flag set.
decoder.queueInputBuffer(inputBufIndex, 0, 0, 0L,
MediaCodec.BUFFER_FLAG_END_OF_STREAM);
inputDone = true;
if (VERBOSE) Log.d(TAG, "sent input EOS");
} else {
if (extractor.getSampleTrackIndex() != trackIndex) {
Log.w(TAG, "WEIRD: got sample from track " +
extractor.getSampleTrackIndex() + ", expected " + trackIndex);
}
long presentationTimeUs = extractor.getSampleTime();
decoder.queueInputBuffer(inputBufIndex, 0, chunkSize,
presentationTimeUs, 0 /*flags*/);
if (VERBOSE) {
Log.d(TAG, "submitted frame " + inputChunk + " to dec, size=" +
chunkSize);
}
inputChunk++;
extractor.advance();
}
} else {
if (VERBOSE) Log.d(TAG, "input buffer not available");
}
}
if (!outputDone) {
int decoderStatus = decoder.dequeueOutputBuffer(info, TIMEOUT_USEC);
if (decoderStatus == MediaCodec.INFO_TRY_AGAIN_LATER) {
// no output available yet
if (VERBOSE) Log.d(TAG, "no output from decoder available");
} else if (decoderStatus == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
// not important for us, since we're using Surface
if (VERBOSE) Log.d(TAG, "decoder output buffers changed");
} else if (decoderStatus == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat newFormat = decoder.getOutputFormat();
if (VERBOSE) Log.d(TAG, "decoder output format changed: " + newFormat);
} else if (decoderStatus < 0) {
fail("unexpected result from decoder.dequeueOutputBuffer: " + decoderStatus);
} else { // decoderStatus >= 0
if (VERBOSE) Log.d(TAG, "surface decoder given buffer " + decoderStatus +
" (size=" + info.size + ")");
if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
if (VERBOSE) Log.d(TAG, "output EOS");
outputDone = true;
}
boolean doRender = (info.size != 0);
// As soon as we call releaseOutputBuffer, the buffer will be forwarded
// to SurfaceTexture to convert to a texture. The API doesn't guarantee
// that the texture will be available before the call returns, so we
// need to wait for the onFrameAvailable callback to fire.
decoder.releaseOutputBuffer(decoderStatus, doRender);
if (doRender) {
if (VERBOSE) Log.d(TAG, "awaiting decode of frame " + decodeCount);
outputSurface.awaitNewImage();
outputSurface.drawImage(true);
if (decodeCount < MAX_FRAMES) {
File outputFile = new File(FILES_DIR,
String.format("frame-%02d.png", decodeCount));
long startWhen = System.nanoTime();
outputSurface.saveFrame(outputFile.toString());
frameSaveTime += System.nanoTime() - startWhen;
}
decodeCount++;
}
}
}
}
int numSaved = (MAX_FRAMES < decodeCount) ? MAX_FRAMES : decodeCount;
Log.d(TAG, "Saving " + numSaved + " frames took " +
(frameSaveTime / numSaved / 1000) + " us per frame");
}
Example 16
| Source File: MediaCodecRenderer.java From Telegram-FOSS with GNU General Public License v2.0 | 4 votes |
|
private void getCodecBuffers(MediaCodec codec) {
if (Util.SDK_INT < 21) {
inputBuffers = codec.getInputBuffers();
outputBuffers = codec.getOutputBuffers();
}
}
Example 17
| Source File: MediaCodecRenderer.java From TelePlus-Android with GNU General Public License v2.0 | 4 votes |
|
private void getCodecBuffers(MediaCodec codec) {
if (Util.SDK_INT < 21) {
inputBuffers = codec.getInputBuffers();
outputBuffers = codec.getOutputBuffers();
}
}
Example 18
| Source File: DecodeEditEncodeTest.java From Android-MediaCodec-Examples with Apache License 2.0 | 4 votes |
|
/**
* Checks the video data.
*
* @return the number of bad frames
*/
private int checkVideoData(VideoChunks inputData, MediaCodec decoder, OutputSurface surface) {
final int TIMEOUT_USEC = 1000;
ByteBuffer[] decoderInputBuffers = decoder.getInputBuffers();
ByteBuffer[] decoderOutputBuffers = decoder.getOutputBuffers();
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
int inputChunk = 0;
int checkIndex = 0;
int badFrames = 0;
boolean outputDone = false;
boolean inputDone = false;
while (!outputDone) {
if (VERBOSE) Log.d(TAG, "check loop");
// Feed more data to the decoder.
if (!inputDone) {
int inputBufIndex = decoder.dequeueInputBuffer(TIMEOUT_USEC);
if (inputBufIndex >= 0) {
if (inputChunk == inputData.getNumChunks()) {
// End of stream -- send empty frame with EOS flag set.
decoder.queueInputBuffer(inputBufIndex, 0, 0, 0L,
MediaCodec.BUFFER_FLAG_END_OF_STREAM);
inputDone = true;
if (VERBOSE) Log.d(TAG, "sent input EOS");
} else {
// Copy a chunk of input to the decoder. The first chunk should have
// the BUFFER_FLAG_CODEC_CONFIG flag set.
ByteBuffer inputBuf = decoderInputBuffers[inputBufIndex];
inputBuf.clear();
inputData.getChunkData(inputChunk, inputBuf);
int flags = inputData.getChunkFlags(inputChunk);
long time = inputData.getChunkTime(inputChunk);
decoder.queueInputBuffer(inputBufIndex, 0, inputBuf.position(),
time, flags);
if (VERBOSE) {
Log.d(TAG, "submitted frame " + inputChunk + " to dec, size=" +
inputBuf.position() + " flags=" + flags);
}
inputChunk++;
}
} else {
if (VERBOSE) Log.d(TAG, "input buffer not available");
}
}
if (!outputDone) {
int decoderStatus = decoder.dequeueOutputBuffer(info, TIMEOUT_USEC);
if (decoderStatus == MediaCodec.INFO_TRY_AGAIN_LATER) {
// no output available yet
if (VERBOSE) Log.d(TAG, "no output from decoder available");
} else if (decoderStatus == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
decoderOutputBuffers = decoder.getOutputBuffers();
if (VERBOSE) Log.d(TAG, "decoder output buffers changed");
} else if (decoderStatus == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat newFormat = decoder.getOutputFormat();
if (VERBOSE) Log.d(TAG, "decoder output format changed: " + newFormat);
} else if (decoderStatus < 0) {
fail("unexpected result from decoder.dequeueOutputBuffer: " + decoderStatus);
} else { // decoderStatus >= 0
ByteBuffer decodedData = decoderOutputBuffers[decoderStatus];
if (VERBOSE) Log.d(TAG, "surface decoder given buffer " + decoderStatus +
" (size=" + info.size + ")");
if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
if (VERBOSE) Log.d(TAG, "output EOS");
outputDone = true;
}
boolean doRender = (info.size != 0);
// As soon as we call releaseOutputBuffer, the buffer will be forwarded
// to SurfaceTexture to convert to a texture. The API doesn't guarantee
// that the texture will be available before the call returns, so we
// need to wait for the onFrameAvailable callback to fire.
decoder.releaseOutputBuffer(decoderStatus, doRender);
if (doRender) {
if (VERBOSE) Log.d(TAG, "awaiting frame " + checkIndex);
assertEquals("Wrong time stamp", computePresentationTime(checkIndex),
info.presentationTimeUs);
surface.awaitNewImage();
surface.drawImage();
if (!checkSurfaceFrame(checkIndex++)) {
badFrames++;
}
}
}
}
}
return badFrames;
}
Example 19
| Source File: MediaPlayerGrabber.java From VIA-AI with MIT License | 4 votes |
|
private void decodeFrames(final MediaCodec decoder, MediaExtractor extractor, MediaFormat mediaFormat) {
boolean sawInputEOS = false;
sawOutputEOS = false;
decoder.configure(mediaFormat, null, null, 0);
decoder.start();
if(!Helper.isUpperThanAPI21()) {
inputByteBuffers = decoder.getInputBuffers();
outputByteBuffers = decoder.getOutputBuffers();
}
while (!sawOutputEOS && !stopDecode) {
if (!sawInputEOS) {
int inputBufferId = decoder.dequeueInputBuffer(DEFAULT_TIMEOUT_US);
if (inputBufferId >= 0) {
ByteBuffer inputBuffer = null;
if (Helper.isUpperThanAPI21()) {
inputBuffer = decoder.getInputBuffer(inputBufferId);
} else {
inputBuffer = inputByteBuffers[inputBufferId];
}
int sampleSize = extractor.readSampleData(inputBuffer, 0);
if (sampleSize < 0) {
decoder.queueInputBuffer(inputBufferId, 0, 0, 0L, 0);
sawInputEOS = false;
extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
} else {
long presentationTimeUs = extractor.getSampleTime();
decoder.queueInputBuffer(inputBufferId, 0, sampleSize, presentationTimeUs, 0);
extractor.advance();
}
}
}
if(displayThread==null) {
displayThread = new Thread(new Runnable() {
@Override
public void run() {
while (!sawOutputEOS && !stopDisplay) {
frameDisplay(decoder);
}
}
});
displayThread.start();
}
}
}
Example 20
| Source File: EncodedAudioRecorder.java From AlexaAndroid with GNU General Public License v2.0 | 4 votes |
|
/**
* Reads bytes from the given recorder and encodes them with the given encoder.
* Uses the (deprecated) Synchronous Processing using Buffer Arrays.
* <p/>
* Encoders (or codecs that generate compressed data) will create and return the codec specific
* data before any valid output buffer in output buffers marked with the codec-config flag.
* Buffers containing codec-specific-data have no meaningful timestamps.
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private void recorderEncoderLoop(MediaCodec codec, SpeechRecord speechRecord) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
codec.start();
// Getting some buffers (e.g. 4 of each) to communicate with the codec
ByteBuffer[] codecInputBuffers = codec.getInputBuffers();
ByteBuffer[] codecOutputBuffers = codec.getOutputBuffers();
Log.i("input buffers " + codecInputBuffers.length + "; output buffers: " + codecOutputBuffers.length);
boolean doneSubmittingInput = false;
int numRetriesDequeueOutputBuffer = 0;
int index;
while (true) {
if (!doneSubmittingInput) {
index = codec.dequeueInputBuffer(DEQUEUE_TIMEOUT);
if (index >= 0) {
int size = queueInputBuffer(codec, codecInputBuffers, index, speechRecord);
if (size == -1) {
codec.queueInputBuffer(index, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
Log.i("enc: in: EOS");
doneSubmittingInput = true;
} else {
Log.i("enc: in: " + size);
mNumBytesSubmitted += size;
}
} else {
Log.i("enc: in: timeout, will try again");
}
}
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
index = codec.dequeueOutputBuffer(info, DEQUEUE_TIMEOUT);
Log.i("enc: out: flags/index: " + info.flags + "/" + index);
if (index == MediaCodec.INFO_TRY_AGAIN_LATER) {
Log.i("enc: out: INFO_TRY_AGAIN_LATER: " + numRetriesDequeueOutputBuffer);
if (++numRetriesDequeueOutputBuffer > MAX_NUM_RETRIES_DEQUEUE_OUTPUT_BUFFER) {
break;
}
} else if (index == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat format = codec.getOutputFormat();
Log.i("enc: out: INFO_OUTPUT_FORMAT_CHANGED: " + format.toString());
} else if (index == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
codecOutputBuffers = codec.getOutputBuffers();
Log.i("enc: out: INFO_OUTPUT_BUFFERS_CHANGED");
} else {
dequeueOutputBuffer(codec, codecOutputBuffers, index, info);
mNumBytesDequeued += info.size;
if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
Log.i("enc: out: EOS");
break;
}
}
}
codec.stop();
codec.release();
}
}
