public static EncoderDebugger debug(ISharedPreferences prefs, int width, int height)
{
EncoderDebugger debugger = new EncoderDebugger(prefs, width, height);
debugger.debug();
return(debugger);
}
private MP4Config testMediaCodecAPI()
{
createCamera();
updateCamera();
try {
if (mQuality.resX >= 640)
{
// Using the MediaCodec API with the buffer method for high resolutions is too slow
mMode = MODE_MEDIARECORDER_API;
}
EncoderDebugger debugger = EncoderDebugger.debug(mSettings, mQuality.resX, mQuality.resY);
return(new MP4Config(debugger.getB64SPS(), debugger.getB64PPS()));
} catch (Java.Lang.Exception e) {
// Fallback on the old streaming method using the MediaRecorder API
Log.e(TAG, "Resolution not supported with the MediaCodec API, we fallback on the old streamign method.");
mMode = MODE_MEDIARECORDER_API;
return(testH264());
}
}
/**
* Video encoding is done by a MediaCodec.
*/
protected void encodeWithMediaCodecMethod1() {
Log.Debug(TAG,"Video encoded using the MediaCodec API with a buffer");
// Updates the parameters of the camera if needed
createCamera();
updateCamera();
// Estimates the frame rate of the camera
measureFramerate();
// Starts the preview if needed
if (!mPreviewStarted) {
try {
mCamera.startPreview();
mPreviewStarted = true;
} catch (RuntimeException e) {
destroyCamera();
throw e;
}
}
EncoderDebugger debugger = EncoderDebugger.debug(mSettings, mQuality.resX, mQuality.resY);
const NV21Convertor convertor = debugger.getNV21Convertor();
mMediaCodec = MediaCodec.CreateByCodecName(debugger.getEncoderName());
MediaFormat mediaFormat = MediaFormat.CreateVideoFormat("video/avc", mQuality.resX, mQuality.resY);
mediaFormat.SetInteger(MediaFormat.KeyBitRate, mQuality.bitrate);
mediaFormat.SetInteger(MediaFormat.KeyFrameRate, mQuality.framerate);
mediaFormat.SetInteger(MediaFormat.KeyColorFormat,debugger.getEncoderColorFormat());
mediaFormat.SetInteger(MediaFormat.KeyIFrameInterval, 1);
mMediaCodec.Configure(mediaFormat, null, null, MediaCodecConfigFlags.Encode);
mMediaCodec.Start();
Camera.PreviewCallback callback = new Camera.PreviewCallback() Action InnerMethod = () =>{
long now = System.nanoTime()/1000, oldnow = now, i=0;
ByteBuffer[] inputBuffers = mMediaCodec.getInputBuffers();
@Override