[FFmpeg-trac] #6995(avformat:new): Support USM format

[FFmpeg]

#6995: Support USM format
-------------------------------------+-------------------------------------
             Reporter:  llogan       |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  usm          |               Blocked By:
  mpegvideo                          |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Description changed by llogan:

Old description:

> User "Win Is Best" provided two USM files from the game "Metal Gear
> Rising: Revengeance".
>
> {{{
> $ ffmpeg -f mpegvideo -i ev9020.usm
> ffmpeg version N-89933-g782e066e3e Copyright (c) 2000-2018 the FFmpeg
> developers
>   built with gcc 7.2.1 (GCC) 20171224
>   configuration:
>   libavutil      56.  7.100 / 56.  7.100
>   libavcodec     58.  9.100 / 58.  9.100
>   libavformat    58.  7.100 / 58.  7.100
>   libavdevice    58.  0.101 / 58.  0.101
>   libavfilter     7. 11.101 /  7. 11.101
>   libswscale      5.  0.101 /  5.  0.101
>   libswresample   3.  0.101 /  3.  0.101
> [mpeg1video @ 0x5607764ae4c0] Invalid frame dimensions 0x0.
>     Last message repeated 4 times
> [mpeg1video @ 0x5607764ae4c0] slice below image (55 >= 45)
> [mpegvideo @ 0x5607764a4580] Estimating duration from bitrate, this may
> be inaccurate
> Input #0, mpegvideo, from 'ev9020.usm':
>   Duration: 00:00:01.84, bitrate: 104857 kb/s
>     Stream #0:0: Video: mpeg1video, yuv420p(tv), 1280x720 [SAR 1:1 DAR
> 16:9], 104857 kb/s, 29.50 fps, 29.97 tbr, 1200k tbn, 29.97 tbc
> At least one output file must be specified
> }}}
>
> Samples:
>
> https://0x0.st/sb2p.usm - Originally named `eva200.usm`. Link will remain
> valid for 362 days.
> https://0x0.st/sb2f.usm - Originally named `ev9020.usm`. Link will remain
> valid for 281 days.

New description:

 User "Win Is Best" provided two USM files from the game "Metal Gear
 Rising: Revengeance".

 {{{
 $ ffmpeg -f mpegvideo -i ev9020.usm
 ffmpeg version N-89933-g782e066e3e Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 7.2.1 (GCC) 20171224
   configuration:
   libavutil      56.  7.100 / 56.  7.100
   libavcodec     58.  9.100 / 58.  9.100
   libavformat    58.  7.100 / 58.  7.100
   libavdevice    58.  0.101 / 58.  0.101
   libavfilter     7. 11.101 /  7. 11.101
   libswscale      5.  0.101 /  5.  0.101
   libswresample   3.  0.101 /  3.  0.101
 [mpeg1video @ 0x5607764ae4c0] Invalid frame dimensions 0x0.
     Last message repeated 4 times
 [mpeg1video @ 0x5607764ae4c0] slice below image (55 >= 45)
 [mpegvideo @ 0x5607764a4580] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, mpegvideo, from 'ev9020.usm':
   Duration: 00:00:01.84, bitrate: 104857 kb/s
     Stream #0:0: Video: mpeg1video, yuv420p(tv), 1280x720 [SAR 1:1 DAR
 16:9], 104857 kb/s, 29.50 fps, 29.97 tbr, 1200k tbn, 29.97 tbc
 At least one output file must be specified
 }}}

 Samples:

 https://avmule.com/samples/ev9020.usm
 https://avmule.com/samples/eva200.usm

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Ticket URL: <https://trac.ffmpeg.org/ticket/6995#comment:1>
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