#4718: Odd "missing picture in access unit" warnings after recent hevc parser
changes
---------------------------------+--------------------------------------
Reporter: jamrial | Type: defect
Status: new | Priority: normal
Component: avcodec | Version: git-master
Keywords: hevc | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
---------------------------------+--------------------------------------
Before
{{{
[jamrial@archVM build]$ ./ffmpeg -i ../samples/hevc-
conformance/MERGE_C_TI_3.bit
ffmpeg version N-73569-gddd86e4 Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 6.0.0 (GCC) 20150710 (experimental)
configuration: --enable-gpl --disable-decoders --enable-decoder=hevc
--disable-demuxers --enable-demuxer=hevc
libavutil 54. 28.100 / 54. 28.100
libavcodec 56. 47.100 / 56. 47.100
libavformat 56. 40.100 / 56. 40.100
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 21.100 / 5. 21.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.100 / 1. 2.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, hevc, from '../samples/hevc-conformance/MERGE_C_TI_3.bit':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: hevc (Main), yuv420p(tv), 416x240, 25 fps, 25 tbr,
1200k tbn, 25 tbc
At least one output file must be specified
}}}
After
{{{
[jamrial@archVM build]$ ./ffmpeg -i ../samples/hevc-
conformance/MERGE_C_TI_3.bit
ffmpeg version N-73632-g39a04eb Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 6.0.0 (GCC) 20150710 (experimental)
configuration: --enable-gpl --disable-decoders --enable-decoder=hevc
--disable-demuxers --enable-demuxer=hevc
libavutil 54. 28.100 / 54. 28.100
libavcodec 56. 47.100 / 56. 47.100
libavformat 56. 40.100 / 56. 40.100
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 21.100 / 5. 21.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.100 / 1. 2.100
libpostproc 53. 3.100 / 53. 3.100
[hevc @ 0x1e7bdc0] missing picture in access unit
Input #0, hevc, from '../samples/hevc-conformance/MERGE_C_TI_3.bit':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: hevc (Main), yuv420p(tv), 416x240, 25 fps, 25 tbr,
1200k tbn, 25 tbc
At least one output file must be specified
}}}
Same with every sample i could test. This does not happen if i force the
usage of the new parser before compiling.
Decoding seems unaffected (The fate hevc suit passes), so this is probably
harmless. Still, would be nice to find why it happens in the first place
and fix it.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4718>
FFmpeg <https://ffmpeg.org>
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