#2871: jpeg2000: artefacts with 4:2:0 (and 4:2:2) -------------------------------------+------------------------------------- Reporter: ami_stuff | Owner: Type: defect | Status: new Priority: normal | Component: Version: | undetermined unspecified | Keywords: Blocked By: | Blocking: Reproduced by developer: 0 | Analyzed by developer: 0 -------------------------------------+------------------------------------- it's probably the same bug, so I post 2 samples in the same ticket seems to work ok with forced -vcodec libopenjpeg 4:2:0: http://www.datafilehost.com/d/b152402a 4:2:2: http://www.datafilehost.com/d/9490fa34 {{{ C:\>ffmpeg -i 422_layers1.avi out.avi ffmpeg version N-55393-g3b2e99f Copyright (c) 2000-2013 the FFmpeg developers built on Aug 8 2013 21:32:57 with gcc 4.7.3 (GCC) configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable- libfreetyp e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable- libvo- amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable- libxavs -- enable-libxvid --enable-zlib libavutil 52. 41.100 / 52. 41.100 libavcodec 55. 24.100 / 55. 24.100 libavformat 55. 13.102 / 55. 13.102 libavdevice 55. 3.100 / 55. 3.100 libavfilter 3. 82.100 / 3. 82.100 libswscale 2. 4.100 / 2. 4.100 libswresample 0. 17.103 / 0. 17.103 libpostproc 52. 3.100 / 52. 3.100 Input #0, avi, from '422_layers1.avi': Duration: 00:00:24.80, start: 0.000000, bitrate: 3048 kb/s Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0) (MJ2C / 0x 43324A4D), yuv422p, 352x244, 5 tbr, 5 tbn, 5 tbc Output #0, avi, to 'out.avi': Metadata: ISFT : Lavf55.13.102 Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x244, q=2-31, 200 kb/s, 5 tbn, 5 tbc Stream mapping: Stream #0:0 -> #0:0 (jpeg2000 -> mpeg4) Press [q] to stop, [?] for help frame= 113 fps=0.0 q=16.7 size= 691kB time=00:00:22.60 bitrate= 250.5kbits/ frame= 124 fps=0.0 q=15.2 Lsize= 741kB time=00:00:24.80 bitrate= 244.7kbits /s video:732kB audio:0kB subtitle:0 global headers:0kB muxing overhead 1.162327% }}} -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2871> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker