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73 lines
2.8 KiB
73 lines
2.8 KiB
9 years ago
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Upgrade ffmpeg
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http://ffmpegmac.net/
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http://www.activeobjects.no/subsonic/forum/viewtopic.php?t=5466&highlight=
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FFmpeg now accesses x264 presets via libx264. This extends functionality by introducing several new libx264 options including -preset, -tune, and -profile. You can read more detailed information about these options with "x264 --fullhelp".
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The syntax has changed so be sure to update your commands. Example:
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ffmpeg -i input -vcodec libx264 -preset fast -tune film -profile main -crf 22 -threads 0 output
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Use baseline profile
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ffmpeg -ss %o -i %s -async 1 -b %bk -s %wx%h -ar 44100 -ac 2 -v 0 -f flv -vcodec libx264 -preset fast -threads 0 -
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http://mewiki.project357.com/wiki/X264_Settings
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One-step audio encoding without lame
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More compact transcoding format.
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Create new transcoding packs.
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Downsampling using only ffmpeg?
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Test h264 with Android.
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Create universal binary for mac.
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Update all installers.
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HOW TO BUILD FFMPEG (Ubuntu 11.04)
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----------------------------------
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http://ubuntuforums.org/showthread.php?t=786095
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sudo apt-get remove ffmpeg x264 libx264-dev
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sudo apt-get update
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sudo apt-get install build-essential checkinstall git libfaac-dev libjack-jackd2-dev \
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libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libsdl1.2-dev libtheora-dev \
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libva-dev libvdpau-dev libvorbis-dev libx11-dev libxfixes-dev libxvidcore-dev texi2html \
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yasm zlib1g-dev
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cd
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cd projects
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git clone git://git.videolan.org/x264
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cd x264
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./configure --enable-static
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make
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sudo checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh | awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes --fstrans=no --default
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cd
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cd projects
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sudo apt-get remove libvpx-dev
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git clone git://review.webmproject.org/libvpx
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cd libvpx
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./configure
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make
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sudo checkinstall --pkgname=libvpx --pkgversion="1:$(date +%Y%m%d%H%M)-git" --backup=no --deldoc=yes --fstrans=no --default
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cd
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cd projects
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git clone git://git.videolan.org/ffmpeg
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cd ffmpeg
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./configure --disable-ffplay --disable-ffprobe --disable-ffserver --enable-gpl --enable-nonfree --enable-postproc \
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--enable-pthreads --enable-libfaac --enable-libmp3lame --enable-libvpx --enable-libtheora --enable-libvorbis \
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--enable-libx264 --enable-libxvid --enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb \
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--enable-libvpx --enable-version3 --enable-bzlib \
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--enable-static --disable-shared --extra-libs=-static --extra-cflags=--static
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make
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sudo checkinstall --pkgname=ffmpeg --pkgversion="5:$(date +%Y%m%d%H%M)-git" --backup=no --deldoc=yes --fstrans=no --default
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hash x264 ffmpeg
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HOW TO BUILD LAME (Ubuntu 11.04)
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----------------------------------
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cd
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cd projects
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sudo apt-get install nasm
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wget http://downloads.sourceforge.net/project/lame/lame/3.98.4/lame-3.98.4.tar.gz
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tar xzvf lame-3.98.4.tar.gz
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cd lame-3.98.4
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./configure --enable-nasm --disable-shared
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make
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