Hi. Thanks, looks useful.
Regards. 2009/4/17 Tiger Xu <[email protected]> > The attachment is the yuvviewer . > > Don't be hesitate to contact me if you have any questions. > > Tiger xu > > Technical Director > > New World£¨China£©Technology ang Media Co.,Ltd > Ecguard Tech Inc. > > 17/F, TongGuang Mansion, No.12 Nong Zhan Nan Li, > Chaoyang District, Beijing 100026 > Tel. (86)-10 65389389 Fax. (86)-10 65389390 > > > --- On Thu, 4/16/09, Stas Oskin <[email protected]> wrote: > > > From: Stas Oskin <[email protected]> > > Subject: Re: [libav-user] Color loss on conversion > > To: "Libav* user questions and discussions" <[email protected]> > > Date: Thursday, April 16, 2009, 9:45 AM > > Hi. > > > > Yes, you just have to specify some parameters so that it > > knows the format of > > > the data you're opening. I guess it would be something > > like... > > > > > > ffplay -f rawvideo -pix_fmt yuv420p -r 25 -s 720x576 > > infile.yuv > > > > > > Note: not tested personally. :) > > > > > > > I actually found some pretty good tools since my previous > > email: > > > > * For Linux - yet another yuv viewer (yay) - open > > source > > * For Windows - Elecard YUV viewer - functional trial > > > > > > From my tests, I can conclude 100% that the issue is in > > FFMPEG conversion. > > The source YUV images are identical to the "before" > > quality I posted before. > > > > I tried increasing the bit-rate - no luck. The color still > > being lost. > > > > What is more interesting, that I tried encoding to JPEG as > > well on 100% > > quality (qmin/qmax = 120, there was a talk about it a bit > > back then). The > > color loss present there as well, so it's not MPEG4 > > related, but probably > > more wide issue. > > > > I tried using the FFMPEG binary as I thought I have > > something in my code - > > same color loss. The following command line was used: > > ffmpeg -f rawvideo -pix_fmt yuv420p -s 352x288 -i 2.yuv -vb > > 256000 2.yuv.mp4 > > > > Any idea? :) > > _______________________________________________ > > libav-user mailing list > > [email protected] > > https://lists.mplayerhq.hu/mailman/listinfo/libav-user > > > > > > > _______________________________________________ > libav-user mailing list > [email protected] > https://lists.mplayerhq.hu/mailman/listinfo/libav-user > > _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
