New submission from Carl Eugen Hoyos <ceho...@rainbow.studorg.tuwien.ac.at>:
Sample from http://code.google.com/p/webm/issues/detail?id=109 (will upload to incoming/issuexxxx) Resulting file shows heavy artefacts, no matter which decoder I use. ffmpeg -i garden2.webm -qscale 5 test.avi FFmpeg version SVN-r23895, Copyright (c) 2000-2010 the FFmpeg developers built on Jun 30 2010 10:37:57 with gcc 4.4.4 configuration: --cc=/usr/local/gcc-4.4.4/bin/gcc --enable-libvpx --disable-decoder=vp8 libavutil 50.19. 0 / 50.19. 0 libavcodec 52.78. 0 / 52.78. 0 libavformat 52.71. 0 / 52.71. 0 libavdevice 52. 2. 0 / 52. 2. 0 libavfilter 1.20. 1 / 1.20. 1 libswscale 0.11. 0 / 0.11. 0 [libvpx @ 0x119f390] v0.9.0 [matroska @ 0x119b470] Estimating duration from bitrate, this may be inaccurate Input #0, matroska, from 'garden2.webm': Duration: 00:00:20.00, start: 0.000000, bitrate: N/A Stream #0.0(eng): Audio: vorbis, 44100 Hz, stereo, s16 Metadata: title : Audio Stream #0.1(eng): Video: libvpx, yuv420p, 426x240, PAR 1:1 DAR 71:40, 25 fps, 25 tbr, 1k tbn, 25 tbc Metadata: title : Video [libvpx @ 0x119f390] v0.9.0 Output #0, avi, to 'test.avi': Metadata: ISFT : Lavf52.71.0 Stream #0.0(eng): Video: mpeg4, yuv420p, 426x240 [PAR 1:1 DAR 71:40], q=2-31, 200 kb/s, 25 tbn, 25 tbc Metadata: title : Video Stream #0.1(eng): Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s Metadata: title : Audio Stream mapping: Stream #0.1 -> #0.0 Stream #0.0 -> #0.1 Press [q] to stop encoding frame= 454 fps=343 q=5.0 Lsize= 4796kB time=19.92 bitrate=1972.3kbits/s video:4599kB audio:156kB global headers:0kB muxing overhead 0.848798% ---------- messages: 11001 priority: normal status: open substatus: open title: WebM files with altref frames decode incorrectly type: bug ________________________________________________ FFmpeg issue tracker <iss...@roundup.ffmpeg.org> <https://roundup.ffmpeg.org/issue2052> ________________________________________________
