Reimar Döffinger <[email protected]> added the comment: On Mon, Feb 21, 2011 at 02:42:12AM +0000, TheShadowRunner wrote: > Hello, I would like to report a FLV4 decoding bug > (bug has been there ever since FFmpeg started > supporting FLV4). > > With certain videos (I think it depends on the > resolution), there are artefact on the sides. > An exemple video: http://dl.square- > enix.co.jp/mobile/sd2/movie.flv (please see the > right side) > another sample: http://www.square- > enix.co.jp/sigma/mov/movie6.flv > > When decoding with the On2 VP6 directshow decoder, > decoding is perfect (right side is OK). The On2 VP6 > decoder can be found here for testing: > http://videoff7.free.fr/On2_FLV4_Decoder.zip > > Please fix this 3+ years old bug if you can! ^^;
This is not an ffmpeg bug, both transcoding the file and playing it with ffplay as well as playing it via MPlayer works fine. Only directly playing the video with ffplay shows the issue (best use the movie6 one, the other one has low quality that makes it harder to see), so this is a ffplay-only bug. I think that ffplay incorrectly uses coded_width/ coded_height instead of width/height (though since the documentation is rather unclear it might be that the decoder sets these wrong). ________________________________________________ FFmpeg issue tracker <[email protected]> <https://roundup.ffmpeg.org/issue2620> ________________________________________________
