[FFmpeg-trac] #1601(undetermined:new): msmpeg4v2 enc: blinking square at the bottom-right corner of the video
FFmpeg
trac at avcodec.org
Fri Aug 3 18:23:17 CEST 2012
#1601: msmpeg4v2 enc: blinking square at the bottom-right corner of the video
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: | undetermined
unspecified | Keywords:
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
there is visible a blinking square in the output video at the bottom-right
corner
does not happen with removed "-b:v 1000k" from the command line
http://www.datafilehost.com/download-d92d34d7.html
{{{
C:\>ffmpeg -i mpeg1.mpg -r 25 -s 312x310 -vcodec msmpeg4v2 -an -b:v 1000k
out.wmv
ffmpeg version N-43160-g752344d Copyright (c) 2000-2012 the FFmpeg
developers
built on Aug 3 2012 02:38:06 with gcc 4.5.0 (GCC) 20100414 (Fedora
MinGW 4.5.
0-1.fc14)
configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
--arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
-pc-min
gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-
cpudetect
--enable-cross-compile --enable-static --disable-shared --extra-
libs='-lws2_32 -
lwinmm -lpthread' --extra-cflags='--static
-I/var/www/users/research/ffmpeg/snap
shots/build/include' --extra-ldflags='-static
-L/var/www/users/research/ffmpeg/s
napshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
version3
--enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
--enable-
libvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
--enable-
libopencore-amrwb --enable-libmp3lame --enable-libvpx --disable-
decoder=libvpx
libavutil 51. 66.100 / 51. 66.100
libavcodec 54. 48.100 / 54. 48.100
libavformat 54. 22.100 / 54. 22.100
libavdevice 54. 2.100 / 54. 2.100
libavfilter 3. 5.101 / 3. 5.101
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[mpeg @ 0x1eacee0] max_analyze_duration 5000000 reached at 5005000
Input #0, mpeg, from 'mpeg1.mpg':
Duration: 00:00:12.61, start: 0.825933, bitrate: 1317 kb/s
Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p, 320x240 [SAR 178:163
DAR 712
:489], 1150 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 29.97 tbc
Stream #0:1[0x1c0]: Audio: mp2, 44100 Hz, stereo, s16, 128 kb/s
Output #0, asf, to 'out.wmv':
Metadata:
WM/EncodingSettings: Lavf54.22.100
Stream #0:0: Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p, 312x310
[SAR 275
90:19071 DAR 712:489], q=2-31, 1000 kb/s, 1k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (mpeg1video -> msmpeg4v2)
Press [q] to stop, [?] for help
[msmpeg4v2 @ 0x1fa2c40] warning, clipping 1 dct coefficients to -127..127
Last message repeated 17 times
frame= 46 fps=0.0 q=2.0 size= 257kB time=00:00:01.84
bitrate=1143.2kbits/s
warning, clipping 1 dct coefficients to -127..127
[msmpeg4v2 @ 0x1fa2c40] warning, clipping 1 dct coefficients to -127..127
Last message repeated 38 times
frame= 103 fps=0.0 q=2.4 size= 588kB time=00:00:04.12
bitrate=1169.2kbits/s
warning, clipping 1 dct coefficients to -127..127
[msmpeg4v2 @ 0x1fa2c40] warning, clipping 1 dct coefficients to -127..127
Last message repeated 12 times
frame= 158 fps=105 q=2.5 size= 872kB time=00:00:06.32
bitrate=1130.8kbits/s
warning, clipping 1 dct coefficients to -127..127
[msmpeg4v2 @ 0x1fa2c40] warning, clipping 1 dct coefficients to -127..127
Last message repeated 8 times
frame= 212 fps=106 q=2.5 size= 1129kB time=00:00:08.48
bitrate=1090.3kbits/s
warning, clipping 1 dct coefficients to -127..127
[msmpeg4v2 @ 0x1fa2c40] warning, clipping 1 dct coefficients to -127..127
Last message repeated 28 times
frame= 259 fps=104 q=2.0 size= 1326kB time=00:00:10.36
bitrate=1048.1kbits/s
warning, clipping 1 dct coefficients to -127..127
[msmpeg4v2 @ 0x1fa2c40] warning, clipping 1 dct coefficients to -127..127
Last message repeated 26 times
[mpeg1video @ 0x1ead840] ac-tex damaged at 19 14
[mpeg1video @ 0x1ead840] Warning MVs not available
[mpeg1video @ 0x1ead840] concealing 20 DC, 20 AC, 20 MV errors in B frame
frame= 318 fps=105 q=2.0 Lsize= 1501kB time=00:00:12.72 bitrate=
966.5kbits/
s dup=0 drop=61
video:1479kB audio:0kB subtitle:0 global headers:0kB muxing overhead
1.442929%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1601>
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