[FFmpeg-trac] #301(undetermined:open): Problems encoding stills to video after v.5 to v.7 upgrade
FFmpeg
trac at avcodec.org
Tue Jun 28 19:08:55 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 |
----------------------------+---------------------------
Comment (by Danoham):
Replying to [comment:1 cehoyos]:
Thank you for your help!
I had my admin install v.8 and all is well. Now to choose a format that
will please the masses.
Dan
> 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:2>
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