[FFmpeg-trac] #52(FFmpeg:new): mjpeg decoder is broken (at least with ga61bc91)
FFmpeg
trac at avcodec.org
Sat Apr 9 14:00:48 CEST 2011
#52: mjpeg decoder is broken (at least with ga61bc91)
--------------------------+---------------------
Reporter: ami_stuff | Owner: michael
Type: defect | Status: new
Priority: normal | Component: FFmpeg
Version: unspecified | Keywords:
Blocked By: | Blocking:
Reproduced: 0 | Analyzed: 0
--------------------------+---------------------
Please test if this bug is still valid with the HEAD, ga61bc91 generates
broken output for MJPEG decoder.
http://samples.mplayerhq.hu/V-codecs/MJPEGs/pegasus_mjpeg/pegasus_mjpeg.avi
C:\>ffmpeg -i C:\pegasus_mjpeg.avi -vcodec msmpeg4v2 out3.avi
FFmpeg version git-N-28949-ga61bc91, Copyright (c) 2000-2011 the FFmpeg
develope
rs
built on Apr 9 2011 00:01:59 with gcc 4.5.2
configuration: --arch=x86 --cross-prefix=i686-pc-mingw32- --target-
os=mingw32
--prefix=/ffmpeg/builds/git-N-28949-ga61bc91-static --enable-memalign-hack
--dis
able-shared --enable-static --enable-w32threads --disable-debug --enable-
gpl --e
nable-version3 --enable-runtime-cpudetect --enable-zlib --enable-bzlib
--enable-
avisynth --enable-postproc --enable-libmp3lame --enable-libx264 --enable-
libvorb
is --enable-libtheora --enable-libspeex --enable-libopencore-amrnb
--enable-libo
pencore-amrwb --enable-libxvid --enable-libgsm --enable-libvpx --disable-
decoder
=libvpx --enable-librtmp --enable-libopenjpeg --enable-frei0r --enable-
libxavs -
-cc='ccache i686-pc-mingw32-gcc'
libavutil 50. 40. 1 / 50. 40. 1
libavcodec 52.117. 0 / 52.117. 0
libavformat 52.106. 0 / 52.106. 0
libavdevice 52. 4. 0 / 52. 4. 0
libavfilter 1. 77. 1 / 1. 77. 1
libswscale 0. 13. 0 / 0. 13. 0
libpostproc 51. 2. 0 / 51. 2. 0
Input #0, avi, from 'C:\pegasus_mjpeg.avi':
Duration: 00:02:29.60, start: 0.000000, bitrate: 448 kb/s
Stream #0.0: Video: mjpeg, yuvj422p, 480x260, 20 tbr, 20 tbn, 20 tbc
Stream #0.1: Audio: mp3, 44100 Hz, stereo, s16, 319 kb/s
Incompatible pixel format 'yuvj422p' for codec 'msmpeg4v2', auto-selecting
forma
t 'yuv420p'
[buffer @ 01ca2540] w:480 h:260 pixfmt:yuvj422p
[ffsink @ 01ca2760] auto-inserting filter 'auto-inserted scaler 0' between
the f
ilter 'src' and the filter 'out'
[scale @ 01ca2a00] w:480 h:260 fmt:yuvj422p -> w:480 h:260 fmt:yuv420p
flags:0x4
[mp2 @ 01c9a2b0] The requested thread algorithm is not supported with this
threa
d library.
Output #0, avi, to 'out3.avi':
Metadata:
ISFT : Lavf52.106.0
Stream #0.0: Video: msmpeg4v2, yuv420p, 480x260, q=2-31, 200 kb/s, 20
tbn, 2
0 tbc
Stream #0.1: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop encoding
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 3 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 3 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 5 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 3 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 5 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 2 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 7 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 7 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 7 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 3 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 3 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 3 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 5 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 2 dct coefficients to -127..127
Last message repeated 1 times
[msmpeg4v2 @ 022297e0] warning, clipping 1 dct coefficients to -127..127
Last message repeated 83 times 485kB time=9.55 bitrate= 415.7kbits/s
frame= 218 fps= 78 q=31.0 Lsize= 573kB time=10.90 bitrate=
430.7kbits/s
video:459kB audio:89kB global headers:0kB muxing overhead 4.666883%
--
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/52>
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