New submission from Vitor <[email protected]>:
Both of our samples of Intel H263 gives several errors during decoding.
They can be found at http://samples.ffmpeg.org/V-codecs/I263/ .
Note that this is not a regression, SVN rev 5 ((c) Gerard Lantau ;)
gives the same errors.
vi...@vitor:~/ffmpeg/ffmpeg$ ./ffmpeg -i /tmp/i263.avi -f md5 -
FFmpeg version SVN-r24860, Copyright (c) 2000-2010 the FFmpeg developers
built on Aug 23 2010 08:11:42 with gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu3)
configuration: --cpu=host --cc='ccache gcc' --disable-asm
libavutil 50.24. 0 / 50.24. 0
libavcore 0. 6. 0 / 0. 6. 0
libavcodec 52.85. 1 / 52.85. 1
libavformat 52.78. 3 / 52.78. 3
libavdevice 52. 2. 1 / 52. 2. 1
libavfilter 1.37. 0 / 1.37. 0
libswscale 0.11. 0 / 0.11. 0
Input #0, avi, from '/tmp/i263.avi':
Duration: 00:00:06.67, start: 0.000000, bitrate: 407 kb/s
Stream #0.0: Video: h263i, yuv420p, 352x240, 29.97 tbr, 29.97 tbn,
29.97 tbc
Stream #0.1: Audio: mp3, 22050 Hz, 1 channels, s16, 31 kb/s
[buffer @ 0x8aa4bc0] w:352 h:240 pixfmt:yuv420p
Output #0, md5, to 'pipe:':
Metadata:
encoder : Lavf52.78.3
Stream #0.0: Video: rawvideo, yuv420p, 352x240, q=2-31, 200 kb/s,
90k tbn, 29.97 tbc
Stream #0.1: Audio: pcm_s16le, 22050 Hz, 1 channels, s16, 352 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop encoding
[h263i @ 0x8a9eeb0] I cbpc damaged at 0 0
[h263i @ 0x8a9eeb0] Error at MB: 0
[h263i @ 0x8a9eeb0] concealing 330 DC, 330 AC, 330 MV errors
[h263i @ 0x8a9eeb0] cbpc damaged at 0 0
[h263i @ 0x8a9eeb0] Error at MB: 0
[h263i @ 0x8a9eeb0] concealing 330 DC, 330 AC, 330 MV errors
[h263i @ 0x8a9eeb0] cbpc damaged at 0 0
[h263i @ 0x8a9eeb0] Error at MB: 0
[... repeated ad nausea ...]
vi...@vitor:~/ffmpeg/ffmpeg$ ./ffmpeg -i /tmp/i263_2.avi -f md5 -
FFmpeg version SVN-r24860, Copyright (c) 2000-2010 the FFmpeg developers
built on Aug 23 2010 08:11:42 with gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu3)
configuration: --cpu=host --cc='ccache gcc' --disable-asm
libavutil 50.24. 0 / 50.24. 0
libavcore 0. 6. 0 / 0. 6. 0
libavcodec 52.85. 1 / 52.85. 1
libavformat 52.78. 3 / 52.78. 3
libavdevice 52. 2. 1 / 52. 2. 1
libavfilter 1.37. 0 / 1.37. 0
libswscale 0.11. 0 / 0.11. 0
Input #0, avi, from '/tmp/i263_2.avi':
Duration: 00:00:17.44, start: 0.000000, bitrate: 1878 kb/s
Stream #0.0: Video: h263i, yuv420p, 320x240, 25 tbr, 25 tbn, 25 tbc
Stream #0.1: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
[buffer @ 0x8aa1f00] w:320 h:240 pixfmt:yuv420p
Output #0, md5, to 'pipe:':
Metadata:
encoder : Lavf52.78.3
Stream #0.0: Video: rawvideo, yuv420p, 320x240, q=2-31, 200 kb/s,
90k tbn, 25 tbc
Stream #0.1: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop encoding
[h263i @ 0x8a9eeb0] Bad picture start code
[h263i @ 0x8a9eeb0] header damaged
Error while decoding stream #0.0
[h263i @ 0x8a9eeb0] Bad picture start code
[h263i @ 0x8a9eeb0] header damaged
Error while decoding stream #0.0
[h263i @ 0x8a9eeb0] Bad picture start code
[h263i @ 0x8a9eeb0] header damaged
Error while decoding stream #0.0
----------
messages: 11727
priority: normal
status: new
substatus: new
title: Intel H263 errors
type: bug
________________________________________________
FFmpeg issue tracker <[email protected]>
<https://roundup.ffmpeg.org/issue2179>
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