Opened 10 years ago
Closed 10 years ago
#4529 closed defect (fixed)
Forbidden bit in h264 stream triggers data partioning warning
Reported by: | Carl Eugen Hoyos | Owned by: | |
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Priority: | important | Component: | avcodec |
Version: | git-master | Keywords: | h264 regression |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | yes | |
Analyzed by developer: | no |
Description
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/192751
A user uploaded a raw h264 stream for which FFmpeg claims "data partitioning not implemented" since 392080cb / 167e004e
$ ffmpeg -i night_cut.dump -f null - ffmpeg version N-71816-g02001ad Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.7 (SUSE Linux) configuration: --enable-gpl libavutil 54. 23.101 / 54. 23.101 libavcodec 56. 35.101 / 56. 35.101 libavformat 56. 31.100 / 56. 31.100 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 14.100 / 5. 14.100 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 1.100 / 1. 1.100 libpostproc 53. 3.100 / 53. 3.100 Input #0, h264, from 'night_cut.dump': Duration: N/A, bitrate: N/A Stream #0:0: Video: h264 (Main), yuv420p, 1280x720, 25 fps, 25 tbr, 1200k tbn, 50 tbc Output #0, null, to 'pipe:': Metadata: encoder : Lavf56.31.100 Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1280x720, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc56.35.101 rawvideo Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> rawvideo (native)) Press [q] to stop, [?] for help [null @ 0x1d73ca0] Encoder did not produce proper pts, making some up. [h264 @ 0x1d59420] data partitioning is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented. [h264 @ 0x1d59420] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org) frame= 30 fps=0.0 q=0.0 Lsize=N/A time=00:00:01.24 bitrate=N/A video:3kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
The reference decoder reports:
00000(IDR) 0 0 25 4:2:0 26 00001( P ) 2 1 23 4:2:0 25 00002( P ) 4 2 22 4:2:0 27 00003( P ) 6 3 23 4:2:0 25 00004( P ) 8 4 22 4:2:0 26 00005( P ) 10 5 23 4:2:0 24 00006( P ) 12 6 22 4:2:0 27 00007( P ) 14 7 23 4:2:0 25 00008( P ) 16 8 22 4:2:0 26 00009( P ) 18 9 23 4:2:0 24 00010( P ) 20 10 22 4:2:0 27 00011( P ) 22 11 23 4:2:0 24 00012( P ) 24 12 22 4:2:0 26 00013( P ) 26 13 23 4:2:0 24 00014( P ) 28 14 22 4:2:0 26 00015( P ) 30 15 23 4:2:0 24 00016( P ) 32 16 22 4:2:0 26 00017( P ) 34 17 23 4:2:0 24 00018( P ) 36 18 22 4:2:0 27 00019( P ) 38 19 23 4:2:0 25 00020( P ) 40 20 22 4:2:0 26 00021( P ) 42 21 23 4:2:0 24 00022( P ) 44 22 22 4:2:0 27 00023( P ) 46 23 23 4:2:0 25 00024( P ) 48 24 22 4:2:0 26 00025( P ) 50 25 23 4:2:0 25 00026( P ) 52 26 22 4:2:0 26 Found NALU with forbidden_bit set, bit error?
Attachments (1)
Change History (3)
by , 10 years ago
Attachment: | night_cut.dump added |
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comment:1 by , 10 years ago
Priority: | minor → important |
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comment:2 by , 10 years ago
Reproduced by developer: | set |
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Resolution: | → fixed |
Status: | new → closed |
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Replying to cehoyos:
FFmpeg used to return 31 frames for this input sample, making the issue not a purely cosmetic one afaict but an actual decoding regression.