avi to pmp.x264.mp4 脚本

最新推荐文章于 2024-05-14 07:49:54 发布

最新推荐文章于 2024-05-14 07:49:54 发布 · 167 阅读

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本文介绍了一个用于将视频转换为适用于PSP格式的Shell脚本。该脚本使用mencoder工具对输入文件进行转码，调整分辨率并设置比特率，同时分离视频和音频流。最后使用Perl脚本将它们重新封装成PMP格式。


#usage <scriptname> inputfile outputfile 

BITRATE=450 

###########generated muxed video / sound########## 
~/install/mencoder_psp/install/mencoder "$1" -vf scale=480:272 -ovc x264 -x264encopts bitrate=$BITRATE:pass=1:turbo=1:threads=2 -srate 44100 -oac mp3lame -lameopts vol=0:mode=0:cbr:br=128 -o /dev/null 

~/install/mencoder_psp/install/mencoder "$1" -vf scale=480:272 -ovc x264 -x264encopts bitrate=$BITRATE:pass=2 -srate 44100 -oac mp3lame -lameopts vol=0:mode=0:cbr:br=128 -o "$2".temp 

###########rename x264 file########## 
mv x264file.txt "$2".264.txt 

###########copy video out########## 
~/install/mencoder_psp/install/mencoder "$2".temp -ovc copy -nosound -o "$2".264 

###########copy sound out########## 
~/install/mencoder_psp/install/mencoder "$2".temp -srate 44100 -oac copy -ovc copy -of rawaudio -o "$2".mp3 

##########generate pmp file########## 
~/install/pmpmux/pmp_muxer_avc.pl -v "$2".264 -a "$2".mp3 -o "$2".pmp -w 480 -h 272 


#clean up: 
if [ -f "$2".pmp ] 
then 
        echo "Found PMP. Cleaning up temp files." 
        rm "$2".264.txt "$2".264 "$2".mp3 "$2".temp 
        exit 0 
fi 

echo "**********************************************" 
echo "PMP file wasn't found. Temp files not deleted." 
echo "**********************************************"