I am trying to use a H264 encoder for streaming video from an Android device. For capturing the images I am using the back camera; images are in NV21 format. The codec is properly initialized, but when setting up the codec throws an error "configure failed with err 0xffffffea" with the following stack trace: http://pastebin.com/ZrpsB9cy
I have tried Google's and Qualcomm's encoders, but both throw exceptions at the same point. I am using Android SDK version 21. This is the code I have written:
private MediaCodec setupVideoCodec() {
MediaCodec mediaCodec = null;
try {
mediaCodec = MediaCodec.createByCodecName("OMX.qcom.video.decoder.avc");
MediaFormat mediaFormat = MediaFormat.createVideoFormat("video/avc",
VIDEO_WIDTH, VIDEO_HEIGHT);
mediaFormat.setInteger(MediaFormat.KEY_COLOR_FORMAT,
MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
mediaFormat.setInteger(MediaFormat.KEY_FRAME_RATE, 30);
mediaFormat.setInteger(MediaFormat.KEY_BIT_RATE, VIDEO_BITRATE);
mediaFormat.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, STREAMING_INTERVAL);
mediaCodec.configure(mediaFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
mediaCodec.start();
Log.d(TAG, String.valueOf("Buffers available: " + mediaCodec.getInputBuffers().length));
} catch (MediaCodec.CodecException e) {
Log.e(TAG, e.getLocalizedMessage());
e.printStackTrace();
} catch (IOException e) {
Log.e(TAG, e.getLocalizedMessage());
e.printStackTrace();
}
return mediaCodec;
}
private void encodeData(byte[] data, MediaCodec codec) {
int inputBufferIndex = codec.dequeueInputBuffer(-1);
if (inputBufferIndex >= 0) {
ByteBuffer buffer = codec.getInputBuffer(inputBufferIndex);
buffer.clear();
buffer.put(data);
codec.queueInputBuffer(inputBufferIndex, 0, data.length, 0, MediaCodec.BUFFER_FLAG_CODEC_CONFIG);
}
}
private final Camera.PreviewCallback mPreviewCbk = new Camera.PreviewCallback() {
@Override
public void onPreviewFrame(byte[] data, Camera camera) {
Log.d(TAG, "onPreviewFrame()");
if (mVideoCodec != null) {
mExecutor.execute(new EncodeVideo(data, mVideoCodec));
}
camera.addCallbackBuffer(data);
}
};
I have checked other posts, but I have not been able to solve it. Any hint or suggestion is appreciated. Thanks in advance!
you're trying to encode with a decoder
mediaCodec = MediaCodec.createByCodecName("OMX.qcom.video. DECODER .avc");
try
mediaCodec = MediaCodec.createByCodecName("OMX.qcom.video. encoder .avc");
instead
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