[FFmpeg-trac] #3756(avformat:closed): Fails to identify video track in Ogg file

FFmpeg trac at avcodec.org
Sat Jul 5 21:23:00 CEST 2014


#3756: Fails to identify video track in Ogg file
------------------------------------+------------------------------------
             Reporter:  cgbug       |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:  invalid
             Keywords:  ogg vp8     |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * keywords:   => ogg vp8
 * status:  new => closed
 * resolution:   => invalid


Comment:

 Replying to [ticket:3756 cgbug]:
 >       ENCODER         : Lavf55.13.101

 I tested with this version and FFmpeg correctly refuses to mux VP8 into
 ogg (as does the current version) since it wasn't implemented yet:
 {{{
 $ ffmpeg -f lavfi -i testsrc -vcodec vp8 out.ogg
 ffmpeg version N-55208-gb7ed18b Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Jul  5 2014 20:04:06 with gcc 4.7 (SUSE Linux)
   configuration: --enable-libvpx --enable-gpl
   libavutil      52. 40.100 / 52. 40.100
   libavcodec     55. 20.100 / 55. 20.100
   libavformat    55. 13.101 / 55. 13.101
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 82.100 /  3. 82.100
   libswscale      2.  4.100 /  2.  4.100
   libswresample   0. 17.103 /  0. 17.103
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, lavfi, from 'testsrc':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
 [libvpx @ 0x19a3840] v1.3.0
 [ogg @ 0x19a32e0] Unsupported codec id in stream 0
 Output #0, ogg, to 'out.ogg':
   Metadata:
     encoder         : Lavf55.13.101
     Stream #0:0: Video: vp8 (libvpx), yuv420p, 320x240 [SAR 1:1 DAR 4:3],
 q=-1--1, 200 kb/s, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo -> libvpx)
 Could not write header for output file #0 (incorrect codec parameters ?):
 Operation not permitted
 }}}
 Please reopen if you can explain how the file was created and why you
 think it is valid.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3756#comment:2>
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