Examples with FileDescriptor java.io.FileDescriptor used on opensource projects

Example 31 with FileDescriptor

use of java.io.FileDescriptor in project robolectric by robolectric.

the class ShadowParcelFileDescriptor method open.

@Implementation
public static ParcelFileDescriptor open(File file, int mode) throws FileNotFoundException {
    ParcelFileDescriptor pfd;
    try {
        Constructor<ParcelFileDescriptor> constructor = ParcelFileDescriptor.class.getDeclaredConstructor(FileDescriptor.class);
        pfd = constructor.newInstance(new FileDescriptor());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    Shadows.shadowOf(pfd).file = new RandomAccessFile(file, mode == ParcelFileDescriptor.MODE_READ_ONLY ? "r" : "rw");
    return pfd;
}

Example 32 with FileDescriptor

use of java.io.FileDescriptor in project robolectric by robolectric.

the class ShadowBitmapFactoryTest method decodeFileDescriptor_shouldGetWidthAndHeightFromHints.

@Test
public void decodeFileDescriptor_shouldGetWidthAndHeightFromHints() throws Exception {
    File tmpFile = File.createTempFile("BitmapFactoryTest", null);
    try {
        tmpFile.deleteOnExit();
        FileInputStream is = new FileInputStream(tmpFile);
        try {
            FileDescriptor fd = is.getFD();
            ShadowBitmapFactory.provideWidthAndHeightHints(fd, 123, 456);
            Bitmap bitmap = BitmapFactory.decodeFileDescriptor(fd);
            assertEquals("Bitmap for fd:" + fd, shadowOf(bitmap).getDescription());
            assertEquals(123, bitmap.getWidth());
            assertEquals(456, bitmap.getHeight());
        } finally {
            is.close();
        }
    } finally {
        tmpFile.delete();
    }
}

Example 33 with FileDescriptor

use of java.io.FileDescriptor in project libstreaming by fyhertz.

the class AudioStream method encodeWithMediaRecorder.

@Override
protected void encodeWithMediaRecorder() throws IOException {
    // We need a local socket to forward data output by the camera to the packetizer
    createSockets();
    Log.v(TAG, "Requested audio with " + mQuality.bitRate / 1000 + "kbps" + " at " + mQuality.samplingRate / 1000 + "kHz");
    mMediaRecorder = new MediaRecorder();
    mMediaRecorder.setAudioSource(mAudioSource);
    mMediaRecorder.setOutputFormat(mOutputFormat);
    mMediaRecorder.setAudioEncoder(mAudioEncoder);
    mMediaRecorder.setAudioChannels(1);
    mMediaRecorder.setAudioSamplingRate(mQuality.samplingRate);
    mMediaRecorder.setAudioEncodingBitRate(mQuality.bitRate);
    // We write the output of the camera in a local socket instead of a file !			
    // This one little trick makes streaming feasible quiet simply: data from the camera
    // can then be manipulated at the other end of the socket
    FileDescriptor fd = null;
    if (sPipeApi == PIPE_API_PFD) {
        fd = mParcelWrite.getFileDescriptor();
    } else {
        fd = mSender.getFileDescriptor();
    }
    mMediaRecorder.setOutputFile(fd);
    mMediaRecorder.setOutputFile(fd);
    mMediaRecorder.prepare();
    mMediaRecorder.start();
    InputStream is = null;
    if (sPipeApi == PIPE_API_PFD) {
        is = new ParcelFileDescriptor.AutoCloseInputStream(mParcelRead);
    } else {
        try {
            // mReceiver.getInputStream contains the data from the camera
            is = mReceiver.getInputStream();
        } catch (IOException e) {
            stop();
            throw new IOException("Something happened with the local sockets :/ Start failed !");
        }
    }
    // the mPacketizer encapsulates this stream in an RTP stream and send it over the network
    mPacketizer.setInputStream(is);
    mPacketizer.start();
    mStreaming = true;
}

Example 34 with FileDescriptor

use of java.io.FileDescriptor in project fresco by facebook.

the class GingerbreadPurgeableDecoder method decodeFileDescriptorAsPurgeable.

protected Bitmap decodeFileDescriptorAsPurgeable(CloseableReference<PooledByteBuffer> bytesRef, int inputLength, byte[] suffix, BitmapFactory.Options options) {
    MemoryFile memoryFile = null;
    try {
        memoryFile = copyToMemoryFile(bytesRef, inputLength, suffix);
        FileDescriptor fd = getMemoryFileDescriptor(memoryFile);
        Bitmap bitmap = sWebpBitmapFactory.decodeFileDescriptor(fd, null, options);
        return Preconditions.checkNotNull(bitmap, "BitmapFactory returned null");
    } catch (IOException e) {
        throw Throwables.propagate(e);
    } finally {
        if (memoryFile != null) {
            memoryFile.close();
        }
    }
}

Example 35 with FileDescriptor

use of java.io.FileDescriptor in project fresco by facebook.

the class WebpBitmapFactoryTest method testWebpFileDescriptorDecode.

@Test
public void testWebpFileDescriptorDecode() throws Throwable {
    FileDescriptor fd = getImageFileDescriptor("redsquare.webp");
    final Bitmap bitmap = mWebpBitmapFactory.decodeFileDescriptor(fd, null, null);
    testBitmapDefault(bitmap, 20, 20);
}