Examples with MediaFormat android.media.MediaFormat used on opensource projects

Example 86 with MediaFormat

use of android.media.MediaFormat in project libstreaming by fyhertz.

the class EncoderDebugger method convertToNV21.

/**
 * Converts the image obtained from the decoder to NV21.
 */
private void convertToNV21(int k) {
    byte[] buffer = new byte[3 * mSize / 2];
    int stride = mWidth, sliceHeight = mHeight;
    int colorFormat = mDecoderColorFormat;
    boolean planar = false;
    if (mDecOutputFormat != null) {
        MediaFormat format = mDecOutputFormat;
        if (format != null) {
            if (format.containsKey("slice-height")) {
                sliceHeight = format.getInteger("slice-height");
                if (sliceHeight < mHeight)
                    sliceHeight = mHeight;
            }
            if (format.containsKey("stride")) {
                stride = format.getInteger("stride");
                if (stride < mWidth)
                    stride = mWidth;
            }
            if (format.containsKey(MediaFormat.KEY_COLOR_FORMAT) && format.getInteger(MediaFormat.KEY_COLOR_FORMAT) > 0) {
                colorFormat = format.getInteger(MediaFormat.KEY_COLOR_FORMAT);
            }
        }
    }
    switch(colorFormat) {
        case MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420SemiPlanar:
        case MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420PackedSemiPlanar:
        case MediaCodecInfo.CodecCapabilities.COLOR_TI_FormatYUV420PackedSemiPlanar:
            planar = false;
            break;
        case MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420Planar:
        case MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420PackedPlanar:
            planar = true;
            break;
    }
    for (int i = 0; i < mSize; i++) {
        if (i % mWidth == 0)
            i += stride - mWidth;
        buffer[i] = mDecodedVideo[k][i];
    }
    if (!planar) {
        for (int i = 0, j = 0; j < mSize / 4; i += 1, j += 1) {
            if (i % mWidth / 2 == 0)
                i += (stride - mWidth) / 2;
            buffer[mSize + 2 * j + 1] = mDecodedVideo[k][stride * sliceHeight + 2 * i];
            buffer[mSize + 2 * j] = mDecodedVideo[k][stride * sliceHeight + 2 * i + 1];
        }
    } else {
        for (int i = 0, j = 0; j < mSize / 4; i += 1, j += 1) {
            if (i % mWidth / 2 == 0)
                i += (stride - mWidth) / 2;
            buffer[mSize + 2 * j + 1] = mDecodedVideo[k][stride * sliceHeight + i];
            buffer[mSize + 2 * j] = mDecodedVideo[k][stride * sliceHeight * 5 / 4 + i];
        }
    }
    mDecodedVideo[k] = buffer;
}

Example 87 with MediaFormat

use of android.media.MediaFormat in project libstreaming by fyhertz.

the class VideoStream method encodeWithMediaCodecMethod2.

/**
 * 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 frame rate 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();
    // The packetizer encapsulates the bit stream in an RTP stream and send it over the network
    mPacketizer.setInputStream(new MediaCodecInputStream(mMediaCodec));
    mPacketizer.start();
    mStreaming = true;
}