FFmpeg-trac

Download

ffmpeg-trac@ffmpeg.org

June 2013

1 participants
412 discussions

#2539(undetermined:new): indeo 4 artefacts with low quality (keyframes)
by FFmpeg 01 Jun '13

01 Jun '13

#2539: indeo 4 artefacts with low quality (keyframes) -------------------------------------+------------------------------------- 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 -------------------------------------+------------------------------------- ffmpeg's indeo4 decoder decodes with artefacts files encoded in low quality when keyframes are repeated every 2 frames or more (bigger value - more visible artefacts {{{ C:\>ffmpeg -i 5p_every_20.avi -vcodec msmpeg4v2 out.avi ffmpeg version N-52725-ge756635 Copyright (c) 2000-2013 the FFmpeg developers built on May 4 2013 02:45:38 with gcc 4.5.0 (GCC) 20100414 (Fedora MinGW 4.5. 0-1.fc14) configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build --arch= x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686 -pc-min gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime- cpudetect --enable-cross-compile --enable-static --disable-shared --extra- libs='-lws2_32 - lwinmm -lpthread' --extra-cflags='--static -I/var/www/users/research/ffmpeg/snap shots/build/include' --extra-ldflags='-static -L/var/www/users/research/ffmpeg/s napshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable- version3 --enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora --enable- libvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable- libopencore-amrwb --enable-libmp3lame --enable-libvpx --disable- decoder=libvpx libavutil 52. 28.100 / 52. 28.100 libavcodec 55. 7.100 / 55. 7.100 libavformat 55. 4.101 / 55. 4.101 libavdevice 55. 0.100 / 55. 0.100 libavfilter 3. 63.101 / 3. 63.101 libswscale 2. 2.100 / 2. 2.100 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 3.100 / 52. 3.100 Input #0, avi, from '5p_every_20.avi': Duration: 00:00:04.67, start: 0.000000, bitrate: 177 kb/s Stream #0:0: Video: indeo4 (IV41 / 0x31345649), yuv410p, 240x180, 15 tbr, 15 tbn, 15 tbc Output #0, avi, to 'out.avi': Metadata: ISFT : Lavf55.4.101 Stream #0:0: Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p, 240x180, q=2-31, 200 kb/s, 15 tbn, 15 tbc Stream mapping: Stream #0:0 -> #0:0 (indeo4 -> msmpeg4v2) Press [q] to stop, [?] for help frame= 49 fps=0.0 q=3.7 size= 121kB time=00:00:03.26 bitrate= 303.0kbits/s frame= 70 fps=0.0 q=4.0 Lsize= 166kB time=00:00:04.66 bitrate= 290.9kbits/ s video:158kB audio:0kB subtitle:0 global headers:0kB muxing overhead 4.553662% }}} -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2539> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

1 2

#866(undetermined:new): QT IV44 decodesiwith graphic corruption
by FFmpeg 01 Jun '13

01 Jun '13

#866: QT IV44 decodesiwith graphic corruption -------------------------------------+------------------------------------- Reporter: ami_stuff | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- {{{ ffmpeg.exe -i QT-IV44.mov -vcodec msmpeg4v2 -an out.avi ffmpeg version 0.9.0.git-0af34c4, Copyright (c) 2000-2012 the FFmpeg developers built on Jan 2 2012 19:27:43 with gcc 4.5.2 configuration: --disable-ffplay --disable-ffserver --disable-asm --disable-yas m --disable-shared --enable-static libavutil 51. 33.100 / 51. 33.100 libavcodec 53. 50.100 / 53. 50.100 libavformat 53. 29.100 / 53. 29.100 libavdevice 53. 4.100 / 53. 4.100 libavfilter 2. 57.101 / 2. 57.101 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 5.100 / 0. 5.100 Seems stream 1 codec frame rate differs from container frame rate: 1000000.00 (1 000000/1) -> 24.00 (1000000/41667) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'QT-IV44.mov': Metadata: creation_time : 2002-10-02 22:35:06 Duration: 00:00:05.95, start: 0.000000, bitrate: 524 kb/s Stream #0:0(eng): Audio: adpcm_ima_qt (ima4 / 0x34616D69), 11025 Hz, 2 chann els, s16, 88 kb/s Metadata: creation_time : 2002-10-02 22:35:06 handler_name : ?Apple Alias Data Handler Stream #0:1(eng): Video: indeo4 (IV41 / 0x31345649), yuv410p, 192x128, 427 k b/s, 24 fps, 24 tbr, 1000k tbn, 1000k tbc Metadata: creation_time : 2002-10-02 22:35:06 handler_name : ?Apple Alias Data Handler Incompatible pixel format 'yuv410p' for codec 'msmpeg4v2', auto-selecting format 'yuv420p' [buffer @ 016c28f0] w:192 h:128 pixfmt:yuv410p tb:1/1000000 sar:0/1 sws_param: [buffersink @ 016c2ab0] auto-inserting filter 'auto-inserted scale 0' between th e filter 'src' and the filter 'out' [scale @ 016c2cc0] w:192 h:128 fmt:yuv410p -> w:192 h:128 fmt:yuv420p flags:0x4 Output #0, avi, to 'out.avi': Metadata: creation_time : 2002-10-02 22:35:06 ISFT : Lavf53.29.100 Stream #0:0(eng): Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p, 192x128, q= 2-31, 200 kb/s, 24 tbn, 24 tbc Metadata: creation_time : 2002-10-02 22:35:06 handler_name : ?Apple Alias Data Handler Stream mapping: Stream #0:1 -> #0:0 (indeo4 -> msmpeg4v2) Press [q] to stop, [?] for help [msmpeg4v2 @ 016b7500] warning, clipping 1 dct coefficients to -127..127 frame= 123 fps= 0 q=11.4 size= 210kB time=00:00:05.12 bitrate= 336.1kbits/ frame= 143 fps= 0 q=9.1 Lsize= 245kB time=00:00:05.95 bitrate= 336.4kbits/ s video:236kB audio:0kB global headers:0kB muxing overhead 3.809374% }}} -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/866> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

1 4

Jump to page: