[FFmpeg-trac] #2414(avcodec:open): wmv2 decoding bug...
FFmpeg
trac at avcodec.org
Fri Mar 29 12:05:38 CET 2013
#2414: wmv2 decoding bug...
------------------------------------+-----------------------------------
Reporter: kyh96403 | Owner:
Type: defect | Status: open
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: wmv2 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by compn):
also with ffmpeg:
W:\>y:\ffmpeg -i wmv2decerror-short.asf -f null NUL
ffmpeg version N-51433-g551f683 Copyright (c) 2000-2013 the FFmpeg
developers
built on Mar 28 2013 21:52:57 with gcc 4.8.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzli
b --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass
--enable-libbluray --enable-li
bcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-
libmp3lame --enable-libopencore
-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-librtmp --enable-li
bschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libtwolame --enable-lib
vo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
--enable-libx264 --enable-libxa
vs --enable-libxvid --enable-zlib
libavutil 52. 22.101 / 52. 22.101
libavcodec 55. 2.100 / 55. 2.100
libavformat 55. 0.100 / 55. 0.100
libavdevice 55. 0.100 / 55. 0.100
libavfilter 3. 48.105 / 3. 48.105
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, asf, from 'wmv2decerror-short.asf':
Metadata:
encoder : Lavf53.12.0
Duration: 00:00:40.31, start: 0.000000, bitrate: 274 kb/s
Stream #0:0: Video: wmv2 (WMV2 / 0x32564D57), yuv420p, 320x240, 27.25
tbr, 1k tbn, 1k tbc
Stream #0:1: Audio: wmav2 (a[1][0][0] / 0x0161), 22050 Hz, mono, fltp,
20 kb/s
Output #0, null, to 'NUL':
Metadata:
encoder : Lavf55.0.100
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240,
q=2-31, 200 kb/s, 90k tbn, 2
7.25 tbc
Stream #0:1: Audio: pcm_s16le, 22050 Hz, mono, s16, 352 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (wmv2 -> rawvideo)
Stream #0:1 -> #0:1 (wmav2 -> pcm_s16le)
Press [q] to stop, [?] for help
[wmv2 @ 02667020] dc overflow- block: 4 qscale: 5//
[wmv2 @ 02667020]
error while decoding intra block: 4 x 7 (4)
[wmv2 @ 02667020] Error at MB: 151
[wmv2 @ 02667020] concealing 160 DC, 160 AC, 160 MV errors in I frame
[null @ 027148c0] Encoder did not produce proper pts, making some up.
[wmv2 @ 02667020] dc overflow- block: 4 qscale: 5//
[wmv2 @ 02667020]
error while decoding intra block: 4 x 7 (4)
[wmv2 @ 02667020] Error at MB: 151
[wmv2 @ 02667020] concealing 160 DC, 160 AC, 160 MV errors in I frame
[wmv2 @ 02667020] dc overflow- block: 4 qscale: 5//
[wmv2 @ 02667020]
error while decoding intra block: 13 x 13 (4)
[wmv2 @ 02667020] Error at MB: 286
[wmv2 @ 02667020] concealing 76 DC, 76 AC, 76 MV errors in I frame
dc overflow- block: 4 qscale: 9//A time=00:00:18.62 bitrate=N/A dup=83
drop=0
[wmv2 @ 02667020]
error while decoding intra block: 17 x 13 (4)
[wmv2 @ 02667020] Error at MB: 290
[wmv2 @ 02667020] concealing 72 DC, 72 AC, 72 MV errors in P frame
dc overflow- block: 4 qscale: 5//A time=00:00:33.20 bitrate=N/A dup=149
drop=0
[wmv2 @ 02667020]
error while decoding intra block: 13 x 12 (4)
[wmv2 @ 02667020] Error at MB: 265
[wmv2 @ 02667020] concealing 96 DC, 96 AC, 96 MV errors in I frame
[wmv2 @ 02667020] dc overflow- block: 4 qscale: 7//
[wmv2 @ 02667020]
error while decoding intra block: 15 x 12 (4)
[wmv2 @ 02667020] Error at MB: 267
[wmv2 @ 02667020] concealing 94 DC, 94 AC, 94 MV errors in P frame
frame= 1077 fps=884 q=0.0 Lsize=N/A time=00:00:40.35 bitrate=N/A dup=179
drop=0
video:67kB audio:1736kB subtitle:0 global headers:0kB muxing overhead
-100.001191%
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2414#comment:6>
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