[FFmpeg-trac] #11360(avcodec:new): H.264 Decoder Issue with Deblocking in Multi-Slice Field Video

[FFmpeg]

#11360: H.264 Decoder Issue with Deblocking in Multi-Slice Field Video
-------------------------------------+-------------------------------------
             Reporter:  Lingyi Kong  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avcodec      |                  Version:  git-
                                     |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 When decoding an H.264 stream that utilizes multi-slicing and field coding
 with deblocking filters enabled, FFmpeg produces output that differs from
 the reference JM decoder.
 How to reproduce:
 {{{
 % ffmpeg -i ./field_slices_aurora4.264 -v error  -f framemd5 -
 #format: frame checksums
 #version: 2
 #hash: MD5
 #software: Lavf60.16.100
 #tb 0: 1/25
 #media_type 0: video
 #codec_id 0: rawvideo
 #dimensions 0: 416x240
 #sar 0: 0/1
 #stream#, dts,        pts, duration,     size, hash
 0,          0,          0,        1,   149760,
 4c90d432b78b6dd1ca06bafe5e68470f

 % ldecod  -p InputFile=./field_slices_aurora4.264  -p
 OutputFile=./jmdec.yuv >/dev/null  && md5sum ./jmdec.yuv
 7de2190197d33e35587e1117284df4c5  ./jmdec.yuv
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11360>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker