Le 25 janv. 2010 à 22:19, [email protected] a écrit : > Hey, I have a animation codec (qtrle) .mov file. It has 2 streams: a video > stream and a data stream of type "tmcd" (I'm not sure what this is). > > Calls to av_read_frame take around 20ms. > > If I re-encode the same file using QuickTime Pro (animation codec again) I > get a .mov file without the data stream > > Calls to av_read_frame now take around 9ms. > > Does anyone know what a tmcd data stream is and why would it cause > av_read_frame to take so much longer? > > Thanks > > Malcolm
'tmcd' is a TimeCode Track, but as it contains only the 'frame rate' and an initial timecode, I don't know why it slows down the demuxer. -- Jean-Daniel _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
