[FFmpeg-trac] #301(undetermined:open): Problems encoding stills to video after v.5 to v.7 upgrade

FFmpeg trac at avcodec.org
Fri Jun 24 23:07:33 CEST 2011


#301: Problems encoding stills to video after  v.5 to v.7 upgrade
----------------------------+---------------------------
Reporter:  Danoham          |       Owner:  michael
    Type:  defect           |      Status:  open
Priority:  normal           |   Component:  undetermined
 Version:  unspecified      |  Resolution:
Keywords:  encoding stills  |  Blocked By:
Blocking:                   |  Reproduced:  0
Analyzed:  0                |
----------------------------+---------------------------
Changes (by cehoyos):

 * status:  new => open
 * version:  0.7.1 => unspecified
 * component:  FFmpeg => undetermined


Comment:

 Your jpgs produce a fine mpg for me with ffmpeg -i sxi_00%2d.jpg out.mpg
 and I get no decoding errors.

 Please test a supported version of FFmpeg, that is either latest git
 (preferred) or 0.7.1 (the version you tested is much older) or 0.8.
 Please try to avoid --extra-cflags if compilation succeeds without them,
 if you believe some of them make sense, please report so they can be added
 automatically.

 (Irrelevant stack alignment warning cut.)
 {{{
 $ ffmpeg -i sxi_00%2d.jpg out.mpg
 ffmpeg version N-30996-gf925b24, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Jun 24 2011 22:26:42 with gcc 2.95.3 20010315 (release)
   configuration: --cc=/usr/local/gcc-2.95.3/bin/gcc --disable-sse
   libavutil    51. 10. 0 / 51. 10. 0
   libavcodec   53.  7. 0 / 53.  7. 0
   libavformat  53.  4. 0 / 53.  4. 0
   libavdevice  53.  1. 1 / 53.  1. 1
   libavfilter   2. 23. 0 /  2. 23. 0
   libswscale    2.  0. 0 /  2.  0. 0
   Duration: 00:00:02.12, start: 0.000000, bitrate: N/A
     Stream #0.0: Video: mjpeg, yuvj420p, 720x864 [PAR 1:1 DAR 5:6], 25
 fps, 25 tbr, 25 tbn, 25 tbc
 Incompatible pixel format 'yuvj420p' for codec 'mpeg1video', auto-
 selecting format 'yuv420p'
 [buffer @ 0x8c882f0] w:720 h:864 pixfmt:yuvj420p tb:1/1000000 sar:1/1
 sws_param:
 [buffersink @ 0x8c856c0] auto-inserting filter 'auto-inserted scaler 0'
 between the filter 'src' and the filter 'out'
 [scale @ 0x8c87a60] w:720 h:864 fmt:yuvj420p -> w:720 h:864 fmt:yuv420p
 flags:0x4
 [mpeg @ 0x8c80e70] VBV buffer size not set, muxing may fail
 Output #0, mpeg, to 'out.mpg':
   Metadata:
     encoder         : Lavf53.4.0
     Stream #0.0: Video: mpeg1video, yuv420p, 720x864 [PAR 1:1 DAR 5:6],
 q=2-31, 200 kb/s, 90k tbn, 25 tbc
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop, [?] for help
 frame=   53 fps=  0 q=31.0 Lsize=     394kB time=00:00:02.08
 bitrate=1551.8kbits/s
 video:390kB audio:0kB global headers:0kB muxing overhead 0.952586%
 }}}

 (I did not test x264 output, but I assume some defaults changed if the
 quality seems worse to you compared to older versions of FFmpeg and x264.)

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/301#comment:1>
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