[FFmpeg-trac] #5637(avcodec:new): Wrong polarity for mjpeg in avi
FFmpeg
trac at avcodec.org
Mon Jun 13 00:51:14 CEST 2016
#5637: Wrong polarity for mjpeg in avi
--------------------------------------+---------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: git-master | Keywords: mjpeg
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
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http://news.gmane.org/gmane.comp.video.ffmpeg.user
A user uploaded a mjpeg sample that has wrong polarity with FFmpeg, the
sample looks correct if 493296800c4cfd76561f71ded5f0893108063e67 gets
removed.
Related to ticket #362 and ticket #5523
{{{
$ ffmpeg -i titel_cut.avi -qscale 2 -vframes 14 out.avi
ffmpeg version N-80298-g15f9189 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 55. 24.100 / 55. 24.100
libavcodec 57. 46.100 / 57. 46.100
libavformat 57. 37.101 / 57. 37.101
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 46.101 / 6. 46.101
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, avi, from 'titel_cut.avi':
Duration: 00:00:00.64, start: 0.000000, bitrate: 32000 kb/s
Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc,
bt470bg/unknown/unknown), 736x560, 25 fps, 25 tbr, 25 tbn, 25 tbc
Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 2
channels, s16, 1411 kb/s
Please use -q:a or -q:v, -qscale is ambiguous
[swscaler @ 0x22539e0] deprecated pixel format used, make sure you did set
range correctly
[avi @ 0x2218900] Using AVStream.codec to pass codec parameters to muxers
is deprecated, use AVStream.codecpar instead.
Last message repeated 1 times
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf57.37.101
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 736x560,
q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
Metadata:
encoder : Lavc57.46.100 mpeg4
Side data:
cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 44100 Hz, stereo, fltp,
192 kb/s
Metadata:
encoder : Lavc57.46.100 ac3
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> mpeg4 (native))
Stream #0:1 -> #0:1 (pcm_s16le (native) -> ac3 (native))
Press [q] to stop, [?] for help
frame= 14 fps=0.0 q=2.0 Lsize= 186kB time=00:00:00.97
bitrate=1558.5kbits/s speed=12.1x
video:152kB audio:23kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 6.105284%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5637>
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