Well I am not sure about that, but I think in either case it would be better to use 444 than 420. I would try it and see if you can notice any difference.
Regards, Gabriel. http://lives-video.com https://www.openhub.net/accounts/salsaman On Mon, Feb 1, 2016 at 1:39 PM, Arthur Muller <[email protected]> wrote: > > > Ø Are you encoding to h264 ? You might want to use YUV444P, as it will > avoid downsampling the u,v channels. > > Actually, I’m optionally encoding to either h264 or mpeg4. In one case I > call > > avformat_alloc_output_context2 (&oc,NULL,”mp4”,NULL); > > and in the other case I call > > avformat_alloc_output_context2(&oc,NULL,”h264”,NULL); > > I assume that these are correct calls. When I use “mp4” I can open the > file with Windows Media with no problem. When I open with “h264” Windows > Media does not work. But our customers have asked for this, but so far I > have no way of verifying the resulting mp4 file as none of my players can > play it. > > In fact, I have another thread where I’ve asked about how to use openh264 > instead of the built-in h264. I’m waiting to hear on that. > > -Arthur > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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