[FFmpeg-trac] #2011(undetermined:new): i263: artefacts with deblocking filter
FFmpeg
trac at avcodec.org
Tue Dec 11 02:10:19 CET 2012
#2011: i263: artefacts with deblocking filter
-------------------------------------+-------------------------------------
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
-------------------------------------+-------------------------------------
I have tested i263 codec a bit more and found another issue.
Attached file was encoded with "deblocking filter" option enabled, (this
is a normal video, not with pb-frames) and ffmpeg decodes it with visible
artefacts.
http://www.datafilehost.com/download-09b7dbe4.html
{{{
C:\>ffmpeg -i normal_deblocking_filter.avi out.avi
ffmpeg version N-47675-g20899c5 Copyright (c) 2000-2012 the FFmpeg
developers
built on Dec 10 2012 02:38:00 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 52. 12.100 / 52. 12.100
libavcodec 54. 79.101 / 54. 79.101
libavformat 54. 49.100 / 54. 49.100
libavdevice 54. 3.102 / 54. 3.102
libavfilter 3. 26.101 / 3. 26.101
libswscale 2. 1.103 / 2. 1.103
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
Input #0, avi, from 'normal_deblocking_filter.avi':
Metadata:
encoder : VirtualDubMod 1.5.10.2 (build 2542/release)
Duration: 00:00:15.12, start: 0.000000, bitrate: 1175 kb/s
Stream #0:0: Video: h263i (I263 / 0x33363249), yuv420p, 320x240, 25
tbr, 25
tbn, 25 tbc
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf54.49.100
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 320x240,
q=2-31, 200
kb/s, 25 tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (h263i -> mpeg4)
Press [q] to stop, [?] for help
frame= 137 fps=0.0 q=5.8 size= 262kB time=00:00:05.48 bitrate=
391.9kbits/s
frame= 247 fps=0.0 q=12.1 size= 473kB time=00:00:09.88 bitrate=
392.1kbits/
frame= 378 fps=255 q=5.8 Lsize= 635kB time=00:00:15.12 bitrate=
344.1kbits/
s
video:620kB audio:0kB subtitle:0 global headers:0kB muxing overhead
2.352102%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2011>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list