@Override
public void process(FilterContext context) {
if (mLogVerbose) Log.v(TAG, "Processing new frame");
// First, get new frame if available
if (mWaitForNewFrame || mFirstFrame) {
boolean gotNewFrame;
if (mWaitTimeout != 0) {
gotNewFrame = mNewFrameAvailable.block(mWaitTimeout);
if (!gotNewFrame) {
if (!mCloseOnTimeout) {
throw new RuntimeException("Timeout waiting for new frame");
} else {
if (mLogVerbose) Log.v(TAG, "Timeout waiting for a new frame. Closing.");
closeOutputPort("video");
return;
}
}
} else {
mNewFrameAvailable.block();
}
mNewFrameAvailable.close();
mFirstFrame = false;
}
mSurfaceTexture.updateTexImage();
mSurfaceTexture.getTransformMatrix(mFrameTransform);
Matrix.multiplyMM(
mMappedCoords, 0,
mFrameTransform, 0,
mSourceCoords, 0);
mFrameExtractor.setSourceRegion(
mMappedCoords[0], mMappedCoords[1],
mMappedCoords[4], mMappedCoords[5],
mMappedCoords[8], mMappedCoords[9],
mMappedCoords[12], mMappedCoords[13]);
// Next, render to output
Frame output = context.getFrameManager().newFrame(mOutputFormat);
mFrameExtractor.process(mMediaFrame, output);
output.setTimestamp(mSurfaceTexture.getTimestamp());
pushOutput("video", output);
output.release();
}
