[FFmpeg-trac] #7586(ffplay:new): HEVC stream Find ref with POC error with ffplay

[FFmpeg]

#7586: HEVC stream Find ref with POC error with ffplay
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             Reporter:  kevin.Wu  |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  ffplay    |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 Summary of the bug:
 Hi all, I'm trying to support sending the HEVC stream to SRS server by
 RTMP protocol. And I used ffplay to get the stream from SRS. The command
 is:

 ffplay rtmp://192.168.1.189:1935/app/rtmpstream0

 (192.168.1.189:1935/ is my SRS server IP and port)
 The stream source which I send to SRS is created using the China hisiv
 high video embeded system. I've modified the code of ffplay to support
 HEVC by RTMP protocol. And I'm sure that the data from SRS is correct,but
 I just got the problem :'''[hevc @ 0xad240480] Could not find ref with POC
 14
 [swscaler @ 0xbbceb40] deprecated pixel format used, make sure you did set
 range correctly'''
 and the video shows nothing but grey.What could make this happen?

 The ffmpeg release is ffmpeg-4.1.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7586>
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