[FFmpeg-trac] #2460(avfilter:new): af_pan cannot parse arguments from example in documentation
FFmpeg
trac at avcodec.org
Fri Apr 12 09:56:14 CEST 2013
#2460: af_pan cannot parse arguments from example in documentation
-------------------------------------+-------------------------------------
Reporter: sghpunk | Type: defect
Status: new | Priority: normal
Component: avfilter | Version:
Keywords: pan, | unspecified
af_pan, audio filter | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
ffmpeg gives an error: 'Expected out channel name, got " FL < FL"'
How to reproduce:
{{{
% ffmpeg -i file.mpg -f wav -map 0:a:1 -filter:a [in]pan="stereo: FL < FL
+ 0.7*FC + 0.6*LFE + 0.7*BL + 0.7*SL : FR < FR + 0.7*FC + 0.6*LFE + 0.7*BR
+ 0.7*SR"[out] file.wav
ffmpeg version 1.2 Copyright (c) 2000-2013 the FFmpeg developers
built on Apr 12 2013 09:56:51 with gcc 4.6 (Ubuntu/Linaro
4.6.3-1ubuntu5)
configuration: --prefix=/opt/ffmpeg-1.2 --disable-static --enable-shared
--enable-gpl --enable-version3 --enable-doc --enable-postproc --disable-
network --enable-memalign-hack --enable-libopencore-amrnb --enable-
libopencore-amrwb --enable-libmp3lame --enable-libspeex --enable-libvorbis
--enable-libx264 --enable-pthreads --enable-frei0r --cpu=amdfam10
--arch=amd64 --disable-vdpau --enable-bzlib --enable-libgsm --enable-
libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis
--enable-pthreads --enable-zlib --enable-libvpx --enable-libfreetype
--enable-vaapi --enable-libopenjpeg --enable-x11grab --enable-libmp3lame
--enable-librtmp --enable-libx264 --enable-libdc1394 --enable-libxvid
--enable-avresample --extra-cflags='-g0 -s' --extra-cxxflags='-g0 -s'
--build-suffix=-1.2 --extra-ldflags='-L/opt/ffmpeg-1.2/lib
-Wl,-rpath,/opt/ffmpeg-1.2/lib'
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
}}}
I found a regression and have patch submitted to ffmpeg-devel mailing list
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2460>
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