[FFmpeg-trac] #4888(avcodec:open): 62bd8deef causes a regression in HEVC decoding

FFmpeg trac at avcodec.org
Wed Sep 30 15:36:51 CEST 2015

#4888: 62bd8deef causes a regression in HEVC decoding
             Reporter:  staalebk     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  hevc         |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |

Comment (by cehoyos):

 Replying to [comment:6 staalebk]:
 > What about the difference between before_patch1.jpg and
 with_patch18.jpg? Why is the second one lacking very much details, even if
 they are the same frame?

 I don't think it is the same frame, as said please test older ffplay with
 seeking back to the beginning of the given stream to see the deeper issue.

 > What would one have to implement to have it skip the initial frames?
 Could I do it based on how it is done in h264 or is it more involving?
 It was extremely involving to implement skipping initial corrupt frames
 for h264 iirc (I don't know if the same concept of recovery points exists
 in hevc).

Ticket URL: <https://trac.ffmpeg.org/ticket/4888#comment:7>
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