[FFmpeg-trac] #3261(avcodec:open): some VSSH decoding fail...

FFmpeg trac at avcodec.org
Tue Dec 31 19:20:17 CET 2013

#3261: some VSSH decoding fail...
             Reporter:  kyh96403     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  vssh h264    |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |

Comment (by domingo):

 The problem is connected to B-frames wrap around approach.
 VSSH format with B-frames is as following:
 Meta data contains [startcode][SPS][startcode][PPS]
 Frame #0: [startcode][SPS][startcode][PPS][startcode][I-picture]
 Frame #1: [startcode][P-picture][startcode][B-picture]
 Frame #2: [startcode]
 Decoder is supposed to output B-frame on step #1 and P-frame on step #2.

Ticket URL: <https://trac.ffmpeg.org/ticket/3261#comment:2>
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