linux下安装mplayer

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本文记录了在Red Hat Enterprise Linux Server 5上通过源代码和rpm包安装MPlayer的过程及遇到的问题解决方法，包括转换wmv、rmvb等格式到flv时出现的错误处理。

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系统：Red Hat Enterprise Linux Server release 5 (Tikanga)

起初我通过源代码安装：

c d / usr / local / src

wget http: // www1 . mplayerhq . hu / MPlayer / releases / MPlayer- 1 . 0rc2 . tar . bz2

tar -xjvf MPlayer- 1 . 0rc2 . tar . bz2

c d MPlayer- 1 . 0rc2

./ configure

Make && make install

安装好了，

问题1）从wmv转flv

Option lavfopts: Unknown suboption

i_certify_that_my_video_stream_does_not_use_b_frames

Error parsing option on the command line: -lavfopts

Exiting ... ( error parsing command line )

参看此篇文档说这个选项去掉了

http://lists.mplayerhq.hu/pipermail/mplayer-users/2007-August/068530.html

于是去掉-lavfopts i_certify_that_my_video_stream_does_not_use_b_frames

问题2）从rmvb转flv

出现问题

opening win32 dll 'drvc . so'

Win32 LoadLibrary failed to load: drvc . so , / usr / local / lib / codecs / drvc . so , / usr / lib / win32 / drvc . so , / usr / local / lib / win32 / drvc . so

于是

c d / usr / local / src

wget http: // www1 . mplayerhq . hu / MPlayer / releases / codecs / essential- 20071007 . tar . bz2

Tar -xjvf essential- 20071007 . tar . bz2

m kdir -p / usr / local / lib / codesc

cp -r essential- 20071007 . tar . bz2 / * / usr / local / lib / codesc

问题3）从mp3或者wma到flv

出现问题：

Video stream is mandatory!

查了几篇有限的文档，偶尔有两篇提出了解决方法，但我试过无效，无奈之下放弃

于是采用rpm安装别的版本

最初的rpm是

lame-3.97-1.i386.rpm （必须，否者无法安装mplayer）

libungif-4.1.0-15.i386.rpm（必须，否者无法安装mplayer，会报错：安装时缺少libu ngif.so.4）

地址： ftp://rpmfind.net/linux/redhat/9/en/os/i386/RedHat/RPMS/libungif-4.1.0-15.i386.rpm

mplayer-1.0.9-1.i386.rpm

如果你要截图那么需要安装

SDL-1.2.9-5.2.1.i386.rpm必须，否者无法安装ffmpeg，否则又会报错，缺少某某文件）

地址： http://fedora.osmirror.nl/core/development/i386/Fedora/RPMS/SDL-1.2.9-5.2.1.i386.rpm

ffmpeg-0.5.0-1.i386.rpm

安装好了之后转mp3,wma这种音频没问题，

问题1）

但转换视频的是发现必须加上

-lavfopts i_certify_that_my_video_stream_does_not_use_b_frames这个选项

问题2）

转换rm

Trying to force video codec driver family qtvideo ...

Opening video decoder: [realvid] RealVideo decoder

Error: / usr / local / lib / codecs / drvc . so: cannot restore segment prot after reloc: Permission denied

Win32 LoadLibrary failed to load: drvc . so , / usr / local / lib / codecs / drvc . so , / usr / lib / win32 / drvc . so , / usr / local / lib / win32 / drvc . so

Error loading dll

ERROR: Could not open required DirectShow codec drvc . so .

Read the RealVideo section of the DOCS!

VDecoder init failed : (

Opening video decoder: [realvid] RealVideo decoder

Error: / usr / local / lib / codecs / drv3 . so . 6.0 : cannot open shared object file: No such file or directory

Win32 LoadLibrary failed to load: drv3 . so . 6.0 , / usr / local / lib / codecs / drv3 . so . 6.0 , / usr / lib / win32 / drv3 . so . 6.0 , / usr / local / lib / win32 / drv3 . so . 6.0

Error loading dll

ERROR: Could not open required DirectShow codec drv3 . so . 6.0 .

Read the RealVideo section of the DOCS!

VDecoder init failed : (

Opening video decoder: [realvid] RealVideo decoder

Win32 LoadLibrary failed to load: drv33260 . dll , / usr / local / lib / codecs / drv33260 . dll , / usr / lib / win32 / drv33260 . dll , / usr / local / lib / win32 / drv33260 . dll

Error loading dll

ERROR: Could not open required DirectShow codec drv33260 . dll .

Read the RealVideo section of the DOCS!

VDecoder init failed : (

Opening video decoder: [realvid] RealVideo decoder

Error: / usr / local / lib / codecs / drvc . bundle / Contents / MacOS / drvc: cannot open shared object file: No such file or directory

Win32 LoadLibrary failed to load: drvc . bundle / Contents / MacOS / drvc , / usr / local / lib / codecs / drvc . bundle / Contents / MacOS / drvc , / usr / lib / win32 / drvc . bundle / Contents / MacOS / drvc , / usr / local / lib / win32 / drvc . bundle / Contents / MacOS / drvc

Error loading dll