php5.3.3下安装ffmpeg
安装yasm，一般这个yum仓库会有这个包，可以直接安装yum install yasm 安装ffmpeg
svn checkout svn://svn.ffmpeg.org/ffmpeg/trunk ffmpeg
cd ffmpeg/
./configure --prefix=/usr/local/ffmpeg --enable-shared
make
make install 可以使用ffmpeg命令查看是否安装成功：
成功会返回如下信息
FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
built on Aug 16 2017 18:44:48 with gcc 4.4.7 20120313 (Red Hat 4.4.7-18)
configuration: --enable-shared
WARNING: library configuration mismatch
avutil configuration: --prefix=/usr/local/ffmpeg --enable-shared
avcore configuration: --prefix=/usr/local/ffmpeg --enable-shared
avcodec configuration: --prefix=/usr/local/ffmpeg --enable-shared
avformat configuration: --prefix=/usr/local/ffmpeg --enable-shared
avdevice configuration: --prefix=/usr/local/ffmpeg --enable-shared
avfilter configuration: --prefix=/usr/local/ffmpeg --enable-shared
swscale configuration: --prefix=/usr/local/ffmpeg --enable-shared
libavutil 50.36. 0 / 50.36. 0
libavcore 0.16. 1 /0.16. 1
libavcodec 52.108. 0 / 52.108. 0
libavformat 52.93. 0 / 52.93. 0
libavdevice 52. 2. 3 / 52. 2. 3
libavfilter 1.74. 0 /1.74. 0
libswscale 0.12. 0 /0.12. 0
Hyper fast Audio and Video encoder
usage: ffmpeg [ -i infile]... { outfile}...
Use -h to get full help or, even better, run 'man ffmpeg' 我在安装的时候出现了报错：
ffmpeg: error while loading shared libraries: libavdevice.so.52 : cannot open shared object file: No such file or directory
解决方法：
在 /etc/ld.so.conf 中最后一行添加你的ffmpeg的安装目录，并确保安装目录下有此文件 lib/libavdevice.so.52
在运行ldconfig重新加载信息 下面安装php-ffmpeg
下载地址：http://ffmpeg-php.sourceforge.net/
版本为：ffmpeg-php-0.6.0.tbz2
支持的最低版本：
[*] ffmpeg-0.4.9_pre1 or higher.
[*] php-4.3.0 or higher
[*] gd-2.0 or higher (the version of GD bundled with PHP works too)
如果没有 phpize ，则需要安装php-devel
tar xjf ffmpeg-php-0.6.0.tbz2
cd ffmpeg-php-0.6.0/
phpize
./configure --with-ffmpeg=/usr/local/ffmpeg
可以先使用make test查看是否有报错
然后在使用make clean 重新编译
make
make install 在安装php-ffmpeg出现如下报错
/root/ffmpeg-php-0.6.0/ffmpeg_frame.c:336: error: ‘PIX_FMT_RGBA32’ undeclared (first use in this function)
/root/ffmpeg-php-0.6.0/ffmpeg_frame.c:336: error: (Each undeclared identifier is reported only once
/root/ffmpeg-php-0.6.0/ffmpeg_frame.c:336: error: for each function it appears in.)
/root/ffmpeg-php-0.6.0/ffmpeg_frame.c: In function ‘zim_ffmpeg_frame_ffmpeg_frame’:
/root/ffmpeg-php-0.6.0/ffmpeg_frame.c:421: error: ‘PIX_FMT_RGBA32’ undeclared (first use in this function)
make: *** Error 1
/root/ffmpeg-php-0.6.0/ffmpeg_frame.c: In function ‘zim_ffmpeg_frame_toGDImage’: 需要将ffmpeg_frame.c 里面的 PIX_FMT_RGBA32 替换为 PIX_FMT_RGB32，总共有三处
所有编译服务安装完成之后，需要在php.ini中最后一行加入：extension=ffmpeg.so
重启php使生效
使用下面方式可以查看是否生效：
php -m|grep ffmpeg
php -r 'phpinfo();' | grep ffmpeg
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