#539: Some MPEG-2 streams produce corrupted video output
-------------------------------------+-------------------------------------
Reporter: STaRGaZeR | Owner:
Type: defect | Status: open
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: MPEG-2 | Blocked By:
MPEG2 corruption | Reproduced by developer: 1
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* status: new => open
* component: undetermined => avcodec
* reproduced: 0 => 1
Comment:
Works fine (some warnings) with mplayer -vc ffmpeg12vdpau
{{{
$ ffmpeg -i ticket539.m2v -f null -
ffmpeg version N-33430-gcb50ada, Copyright (c) 2000-2011 the FFmpeg
developers
built on Oct 9 2011 20:28:29 with gcc 4.5.3
configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc
libavutil 51. 20. 1 / 51. 20. 1
libavcodec 53. 19. 1 / 53. 19. 1
libavformat 53. 14. 0 / 53. 14. 0
libavdevice 53. 4. 0 / 53. 4. 0
libavfilter 2. 43. 6 / 2. 43. 6
libswscale 2. 1. 0 / 2. 1. 0
[mpeg1video @ 0x12d9be0] invalid frame_pred_frame_dct
[mpegvideo @ 0x12d3780] Estimating duration from bitrate, this may be
inaccurate
Input #0, mpegvideo, from 'ticket539.m2v':
Duration: 00:00:02.62, bitrate: 7800 kb/s
Stream #0:0: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 64:45 DAR
16:9], 7800 kb/s, 25 fps, 25 tbr, 1200k tbn, 50 tbc
[buffer @ 0x12e7760] w:720 h:576 pixfmt:yuv420p tb:1/1000000 sar:64/45
sws_param:
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf53.14.0
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 720x576
[SAR 64:45 DAR 16:9], q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
Stream #0.0 -> #0.0 (mpeg2video -> rawvideo)
Press [q] to stop, [?] for help
[mpeg2video @ 0x12d9be0] invalid frame_pred_frame_dct
Last message repeated 1 times
[mpeg2video @ 0x12d9be0] MT_FIELD in progressive_sequence
Last message repeated 25 times
[mpeg2video @ 0x12d9be0] Warning MVs not available
[mpeg2video @ 0x12d9be0] concealing 1170 DC, 1170 AC, 1170 MV errors
[mpeg2video @ 0x12d9be0] invalid frame_pred_frame_dct
[mpeg2video @ 0x12d9be0] MT_FIELD in progressive_sequence
Last message repeated 25 times
[mpeg2video @ 0x12d9be0] Warning MVs not available
[mpeg2video @ 0x12d9be0] concealing 1170 DC, 1170 AC, 1170 MV errors
[mpeg2video @ 0x12d9be0] invalid frame_pred_frame_dct
[mpeg2video @ 0x12d9be0] MT_FIELD in progressive_sequence
Last message repeated 26 times
...
[mpeg2video @ 0x12d9be0] concealing 855 DC, 855 AC, 855 MV errors
[mpeg2video @ 0x12d9be0] invalid frame_pred_frame_dct
[mpeg2video @ 0x12d9be0] MT_FIELD in progressive_sequence
Last message repeated 17 times
[mpeg2video @ 0x12d9be0] concealing 810 DC, 810 AC, 810 MV errors
[mpeg2video @ 0x12d9be0] invalid frame_pred_frame_dct
Last message repeated 1 times
[mpeg2video @ 0x12d9be0] MT_FIELD in progressive_sequence
Last message repeated 26 times
[mpeg2video @ 0x12d9be0] concealing 1215 DC, 1215 AC, 1215 MV errors
[mpeg2video @ 0x12d9be0] invalid frame_pred_frame_dct
[mpeg2video @ 0x12d9be0] MT_FIELD in progressive_sequence
[mpeg2video @ 0x12d9be0] ac-tex damaged at 7 8
[mpeg2video @ 0x12d9be0] concealing 1305 DC, 1305 AC, 1305 MV errors
frame= 81 fps= 0 q=0.0 Lsize= -0kB time=00:00:03.24 bitrate=
-0.1kbits/s ^M
video:0kB audio:0kB global headers:0kB muxing overhead -inf%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/539#comment:2>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
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