ubuntu 12.04安装ffmpeg

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1、下载ffmpeg-2.6.3.tar.bz2、last_x264.tar.bz2、yasm-1.2.0.tar.gz http://download.csdn.net/detail/xl4025/8919329

2、libx264需要yasm,所以先安装yasm

3、安装ffmpeg的依赖包

libfaac、libmp3lame、libtheora、libvorbis、libxvid、libxext、libxfixes

apt-get install libx264-devapt-get install libfaac-devapt-get install libmp3lame-devapt-get install libtheora-devapt-get install libvorbis-devapt-get install libxvidcore-devapt-get install libxext-devapt-get install libxfixes-dev

4、解压ffmpeg

tar -xjvf ffmpeg-2.6.3.tar.bz2

对ffmpeg进行编译安装

./configure --prefix=/usr/local/ffmpeg --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-pthreads --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libx264 --enable-libxvid --enable-x11grab --enable-libvorbis

makemake install

5、当中问题

1）、执行 ffmpeg -i "/home/user/down/flv/001.flv" -acodec copy -vcodec libx264 -b 560k -bf 6 -s 682*310 -f mp4 "/home/user/test/001.mp4"遇到错误

Unknown encoder 'libx264' 错误由于已经安装过libx264、迷茫找了很久找到

Unknown encoder 'libx264'. Installing the package libavcodec-extra-53

In Ubuntu 14.04 LTS the package that is needed is called libavcodec-extra-54 (and libav-tools)

安装libavcodec-extra-53

apt-get install libavcodec-extra-53

进入到

/usr/local/ffmpeg/bin 目录下把
复制到/usr/local/bin下

在命令中直接运行

ffmpeg

提示

built with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
configuration: --prefix=/usr/local/ffmpeg --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-pthreads --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libx264 --enable-libxvid --enable-x11grab --enable-libvorbis
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

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