[FFmpeg-user] ffmpeg 1.0.5 and buffer underflow - Update
Reindl Harald
h.reindl at thelounge.net
Sat May 4 15:56:51 CEST 2013
Am 04.05.2013 15:45, schrieb Nicolas George:
> Le quintidi 15 floréal, an CCXXI, Reindl Harald a écrit :
>> who cares about 10% performance in case of more security?
>
> People who want to play video in real time on low-end machines
well, and that is why the options are there
and that's my static build for servers with static libx264
on x86_64 there is no noticeable impact at performance
the same for PHP, APache, Postfix. Dovecot, MySQL.......
at least on i7-3770 and Xeon E5-2640
some of the performance penalties may be negated by the compiler-optimizing
for recent CPU's and agin: that is why the options are there and rpmbuild
exists to make predictable and deployable packages on test-machines
--prefix=/usr/local --bindir=/usr/local/bin --datadir=/usr/local/share/ffmpeg --incdir=/usr/local/include/ffmpeg
--libdir=/usr/local/lib64 --mandir=/usr/local/man --arch=x86_64 --extra-cflags='-I/usr/local/x264 -m64 -O3
-march=corei7 -mtune=corei7 -fopenmp -mmmx -msse2 -msse3 -msse4.1 -msse4.2 -maes -pipe -fstack-protector
--param=ssp-buffer-size=4 -mfpmath=sse -D_FORTIFY_SOURCE=2 -fexceptions -fPIC -fPIE -fstack-protector-all'
--extra-ldflags='-I/usr/local/x264 -L/usr/local/x264 -Wl,-z,now -Wl,-z,relro' --enable-nonfree --enable-gpl
--enable-version3 --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264
--enable-libxvid --enable-libvpx --enable-static --enable-runtime-cpudetect --disable-symver --disable-shared
--disable-libspeex --disable-libopencore-amrnb --disable-libopencore-amrwb --disable-libopenjpeg
--disable-libopencv --disable-libschroedinger --disable-libgsm --disable-librtmp --disable-libopus
--disable-libfreetype
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