Examples with BufferInfo android.media.MediaCodec.BufferInfo used on opensource projects

Example 11 with BufferInfo

use of android.media.MediaCodec.BufferInfo in project chromeview by pwnall.

the class WebAudioMediaCodecBridge method decodeAudioFile.

@CalledByNative
private static boolean decodeAudioFile(Context ctx, int nativeMediaCodecBridge, int inputFD, long dataSize) {
    if (dataSize < 0 || dataSize > 0x7fffffff)
        return false;
    MediaExtractor extractor = new MediaExtractor();
    ParcelFileDescriptor encodedFD;
    encodedFD = ParcelFileDescriptor.adoptFd(inputFD);
    try {
        extractor.setDataSource(encodedFD.getFileDescriptor(), 0, dataSize);
    } catch (Exception e) {
        e.printStackTrace();
        encodedFD.detachFd();
        return false;
    }
    if (extractor.getTrackCount() <= 0) {
        encodedFD.detachFd();
        return false;
    }
    MediaFormat format = extractor.getTrackFormat(0);
    int channelCount = format.getInteger(MediaFormat.KEY_CHANNEL_COUNT);
    int sampleRate = format.getInteger(MediaFormat.KEY_SAMPLE_RATE);
    String mime = format.getString(MediaFormat.KEY_MIME);
    long durationMicroseconds = 0;
    if (format.containsKey(MediaFormat.KEY_DURATION)) {
        try {
            durationMicroseconds = format.getLong(MediaFormat.KEY_DURATION);
        } catch (Exception e) {
            Log.d(LOG_TAG, "Cannot get duration");
        }
    }
    if (DEBUG) {
        Log.d(LOG_TAG, "Tracks: " + extractor.getTrackCount() + " Rate: " + sampleRate + " Channels: " + channelCount + " Mime: " + mime + " Duration: " + durationMicroseconds + " microsec");
    }
    nativeInitializeDestination(nativeMediaCodecBridge, channelCount, sampleRate, durationMicroseconds);
    // Create decoder
    MediaCodec codec = MediaCodec.createDecoderByType(mime);
    codec.configure(format, null, /* surface */
    null, /* crypto */
    0);
    codec.start();
    ByteBuffer[] codecInputBuffers = codec.getInputBuffers();
    ByteBuffer[] codecOutputBuffers = codec.getOutputBuffers();
    // A track must be selected and will be used to read samples.
    extractor.selectTrack(0);
    boolean sawInputEOS = false;
    boolean sawOutputEOS = false;
    // Keep processing until the output is done.
    while (!sawOutputEOS) {
        if (!sawInputEOS) {
            // Input side
            int inputBufIndex = codec.dequeueInputBuffer(TIMEOUT_MICROSECONDS);
            if (inputBufIndex >= 0) {
                ByteBuffer dstBuf = codecInputBuffers[inputBufIndex];
                int sampleSize = extractor.readSampleData(dstBuf, 0);
                long presentationTimeMicroSec = 0;
                if (sampleSize < 0) {
                    sawInputEOS = true;
                    sampleSize = 0;
                } else {
                    presentationTimeMicroSec = extractor.getSampleTime();
                }
                codec.queueInputBuffer(inputBufIndex, 0, /* offset */
                sampleSize, presentationTimeMicroSec, sawInputEOS ? MediaCodec.BUFFER_FLAG_END_OF_STREAM : 0);
                if (!sawInputEOS) {
                    extractor.advance();
                }
            }
        }
        // Output side
        MediaCodec.BufferInfo info = new BufferInfo();
        final int outputBufIndex = codec.dequeueOutputBuffer(info, TIMEOUT_MICROSECONDS);
        if (outputBufIndex >= 0) {
            ByteBuffer buf = codecOutputBuffers[outputBufIndex];
            if (info.size > 0) {
                nativeOnChunkDecoded(nativeMediaCodecBridge, buf, info.size);
            }
            buf.clear();
            codec.releaseOutputBuffer(outputBufIndex, false);
            if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {
                sawOutputEOS = true;
            }
        } else if (outputBufIndex == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
            codecOutputBuffers = codec.getOutputBuffers();
        }
    }
    encodedFD.detachFd();
    codec.stop();
    codec.release();
    codec = null;
    return true;
}

Example 12 with BufferInfo

use of android.media.MediaCodec.BufferInfo in project android_frameworks_base by DirtyUnicorns.

the class DisplaySinkService method updateSurfaceFromUi.

private void updateSurfaceFromUi(SurfaceHolder holder) {
    Surface surface = null;
    int width = 0, height = 0;
    if (holder != null && !holder.isCreating()) {
        surface = holder.getSurface();
        if (surface.isValid()) {
            final Rect frame = holder.getSurfaceFrame();
            width = frame.width();
            height = frame.height();
        } else {
            surface = null;
        }
    }
    synchronized (mSurfaceAndCodecLock) {
        if (mSurface == surface && mSurfaceWidth == width && mSurfaceHeight == height) {
            return;
        }
        mSurface = surface;
        mSurfaceWidth = width;
        mSurfaceHeight = height;
        if (mCodec != null) {
            mCodec.stop();
            mCodec = null;
            mCodecInputBuffers = null;
            mCodecBufferInfo = null;
        }
        if (mSurface != null) {
            MediaFormat format = MediaFormat.createVideoFormat("video/avc", mSurfaceWidth, mSurfaceHeight);
            try {
                mCodec = MediaCodec.createDecoderByType("video/avc");
            } catch (IOException e) {
                throw new RuntimeException("failed to create video/avc decoder", e);
            }
            mCodec.configure(format, mSurface, null, 0);
            mCodec.start();
            mCodecBufferInfo = new BufferInfo();
        }
        mTransportHandler.post(new Runnable() {

            @Override
            public void run() {
                sendSinkStatus();
            }
        });
    }
}

Example 13 with BufferInfo

use of android.media.MediaCodec.BufferInfo in project android_frameworks_base by ResurrectionRemix.

the class DisplaySinkService method updateSurfaceFromUi.

private void updateSurfaceFromUi(SurfaceHolder holder) {
    Surface surface = null;
    int width = 0, height = 0;
    if (holder != null && !holder.isCreating()) {
        surface = holder.getSurface();
        if (surface.isValid()) {
            final Rect frame = holder.getSurfaceFrame();
            width = frame.width();
            height = frame.height();
        } else {
            surface = null;
        }
    }
    synchronized (mSurfaceAndCodecLock) {
        if (mSurface == surface && mSurfaceWidth == width && mSurfaceHeight == height) {
            return;
        }
        mSurface = surface;
        mSurfaceWidth = width;
        mSurfaceHeight = height;
        if (mCodec != null) {
            mCodec.stop();
            mCodec = null;
            mCodecInputBuffers = null;
            mCodecBufferInfo = null;
        }
        if (mSurface != null) {
            MediaFormat format = MediaFormat.createVideoFormat("video/avc", mSurfaceWidth, mSurfaceHeight);
            try {
                mCodec = MediaCodec.createDecoderByType("video/avc");
            } catch (IOException e) {
                throw new RuntimeException("failed to create video/avc decoder", e);
            }
            mCodec.configure(format, mSurface, null, 0);
            mCodec.start();
            mCodecBufferInfo = new BufferInfo();
        }
        mTransportHandler.post(new Runnable() {

            @Override
            public void run() {
                sendSinkStatus();
            }
        });
    }
}

Example 14 with BufferInfo

use of android.media.MediaCodec.BufferInfo in project android_frameworks_base by crdroidandroid.

the class DisplaySinkService method updateSurfaceFromUi.

private void updateSurfaceFromUi(SurfaceHolder holder) {
    Surface surface = null;
    int width = 0, height = 0;
    if (holder != null && !holder.isCreating()) {
        surface = holder.getSurface();
        if (surface.isValid()) {
            final Rect frame = holder.getSurfaceFrame();
            width = frame.width();
            height = frame.height();
        } else {
            surface = null;
        }
    }
    synchronized (mSurfaceAndCodecLock) {
        if (mSurface == surface && mSurfaceWidth == width && mSurfaceHeight == height) {
            return;
        }
        mSurface = surface;
        mSurfaceWidth = width;
        mSurfaceHeight = height;
        if (mCodec != null) {
            mCodec.stop();
            mCodec = null;
            mCodecInputBuffers = null;
            mCodecBufferInfo = null;
        }
        if (mSurface != null) {
            MediaFormat format = MediaFormat.createVideoFormat("video/avc", mSurfaceWidth, mSurfaceHeight);
            try {
                mCodec = MediaCodec.createDecoderByType("video/avc");
            } catch (IOException e) {
                throw new RuntimeException("failed to create video/avc decoder", e);
            }
            mCodec.configure(format, mSurface, null, 0);
            mCodec.start();
            mCodecBufferInfo = new BufferInfo();
        }
        mTransportHandler.post(new Runnable() {

            @Override
            public void run() {
                sendSinkStatus();
            }
        });
    }
}