Refactor qtdemux a bit in the way it handles various formats that need pre-processing before output, and add a handler for the mp4 WebVTT encoding, that converts back to a text WebVTT stream for output.
Refactor qtdemux a bit in the way it handles various formats that need pre-processing before output, and add a handler for the mp4 WebVTT encoding, that converts back to a text WebVTT stream for output.