On Wednesday 15 July 2015 11:09:30 am Michael Toon wrote: > Hello, > > I am using the encoder libs to encode MJPEG video which I am packaging up > to send via RTP. The encoded bit stream that I generate only appears to > have a single quantization table defined, however the RTP payload format > specifies that if using custom quantization tables there should be two > separate quantization tables for luma and chroma. Having separate tables > seems to make sense to try and gain most encoding efficiency, especially > since I need to transmit two tables regardless. Is there a reason why the > MJPEG codec only generates a single table,
> is there an option that I can to use separate tables? There is now the option "-force_duplicated_matrix 1" to force writing two JPEG tables, even if they are identical. Hope that helps, Carl Eugen _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
