#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 |
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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
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/11360>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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