[FFmpeg-trac] #4142(avcodec:new): Fourth Generation Vocoder

[FFmpeg]

#4142: Fourth Generation Vocoder
-------------------------------------+-----------------------------------
             Reporter:  cehoyos      |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  qcp          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-----------------------------------
Description changed by cehoyos:

Old description:

> A user uploaded a qcp file with an unknown GUID {{{
> {3CFD29CA-F653-4EF5-90E9-F4236D599B61} }}} containing ''Fourth Generation
> Vocoder (4GV)''.
> {{{
> $ ffmpeg -i 0812001631.qcp
> ffmpeg version N-68112-ge4788e9 Copyright (c) 2000-2014 the FFmpeg
> developers
>   built on Nov 30 2014 00:45:08 with gcc 4.7 (SUSE Linux)
>   configuration: --enable-gpl
>   libavutil      54. 15.100 / 54. 15.100
>   libavcodec     56. 13.100 / 56. 13.100
>   libavformat    56. 15.101 / 56. 15.101
>   libavdevice    56.  3.100 / 56.  3.100
>   libavfilter     5.  2.103 /  5.  2.103
>   libswscale      3.  1.101 /  3.  1.101
>   libswresample   1.  1.100 /  1.  1.100
>   libpostproc    53.  3.100 / 53.  3.100
> [qcp @ 0x238fba0] Unknown codec GUID.
> [qcp @ 0x238fba0] Estimating duration from bitrate, this may be
> inaccurate
> Input #0, qcp, from '0812001631.qcp':
>   Duration: 00:01:39.85, bitrate: 13 kb/s
>     Stream #0:0: Audio: smv, 8000 Hz, mono, 13 kb/s
> At least one output file must be specified
> }}}

New description:

 A user uploaded a qcp file with an unknown GUID {{{
 {3CFD29CA-F653-4EF5-90E9-F4236D599B61} }}} containing ''Fourth Generation
 Vocoder (4GV)''.
 {{{
 $ ffmpeg -i 0812001631.qcp
 ffmpeg version N-68112-ge4788e9 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Nov 30 2014 00:45:08 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      54. 15.100 / 54. 15.100
   libavcodec     56. 13.100 / 56. 13.100
   libavformat    56. 15.101 / 56. 15.101
   libavdevice    56.  3.100 / 56.  3.100
   libavfilter     5.  2.103 /  5.  2.103
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100
 [qcp @ 0x238fba0] Unknown codec GUID.
 0812001631.qcp: Invalid data found when processing input
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/4142#comment:1>
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