[FFmpeg-user] Issues with conversion

Lou lou at lrcd.com
Sat Jun 11 23:29:31 CEST 2011


On Sat, 11 Jun 2011 23:07:59 +0200
Reindl Harald <h.reindl at thelounge.net> wrote:

> 
> Am 11.06.2011 22:59, schrieb Lou:
> 
> >> ffmpeg version git-N-29954-g33651e3, Copyright (c) 2000-2011 the
> >> FFmpeg developers built on May 26 2011 18:52:42 with gcc 4.5.1
> >> 20100924 (Red Hat 4.5.1-4) configuration: --prefix=/usr
> >> --bindir=/usr/bin --datadir=/usr/share/ffmpeg
> >> --incdir=/usr/include/ffmpeg --libdir=/usr/lib64
> >> --mandir=/usr/share/man --arch=x86_64 --enable-nonfree --enable-gpl
> >> --enable-version3 --enable-libopencore-amrnb
> >> --enable-libopencore-amrwb --enable-version3 --enable-libdc1394
> >> --enable-libdirac --enable-libfaac --enable-libgsm
> >> --enable-libmp3lame --enable-libopenjpeg --enable-libschroedinger
> >> --enable-libspeex --enable-libtheora --enable-libvorbis
> >> --enable-libx264 --enable-libxvid --enable-libvpx --enable-librtmp
> >> --enable-avfilter --enable-postproc --enable-swscale --enable-bzlib
> >> --enable-zlib --enable-libfreetype --enable-pthreads
> >> --enable-fastdiv --enable-pic --enable-libopencv --enable-shared
> >> --disable-vdpau --disable-vaapi --disable-hwaccels
> >> --disable-static --disable-debug --shlibdir=/usr/lib64
> > 
> > Reindl's ./configure is quite impressive, (and contains some
> > redundant options) so don't let that scare you
> 
> Hm - what is there redundant?

Just a few unimportant things:
VAAPI and VDPAU are disabled by default, IIRC.
--enable-version3 is listed twice.
--enable-pthreads, --enable-zlib, --enable-bzlib are autodetected


> the disabled hwaccel is because ffmpeg runs most time on
> VMware-Machines and is reducing dependencies - maybe
> --disable-hwaccels is enough and "--disable-vdpau --disable-vaapi" is
> implicit, however it works :-)
> 
> i did not post my cpu-options because you should really know what
> hardware you are running, since there are two older machines i can
> not use -msse4.2 :-(
> 
>  --cpu=core2 --extra-cflags='-O6 -march=core2 -mtune=core2 -mmmx
> -msse2 -msse3 -msse4.1 -fopenmp -mfpmath=sse
> -fno-delete-null-pointer-checks -fstack-protector -pipe
> -D_FORTIFY_SOURCE=2'


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