ffmpeg视频格式转换笔记

1，将YUV转换成h264

ffmpeg -s 176x144 -pixel_format yuv420p -i 176x144_pea_result.yuv -an -vcodec libx264 -b:500 -r:24 -s 176x144  h264.mp4

2，将MP4转换成h264

ffmpeg -i test.mp4 -vcodec copy -an -f m4v test.h264

3，将AVI转换成h264

ffmpeg -i test.avi -vcodec copy -an -f m4v test.h264

4, 将WMV转换成mp4

ffmpeg -i test.wmv -c:v libx264 -strict -2 test.mp4ffmpeg -i test.wmv -c:v libx264 -strict -2 -s 1280x720 -b 1000k test.mp4

5, 批量转换WMV为mp4

#!/bin/shecho "convert to mp4"for f_wmv in *.WMVdoname=${f_wmv%%.*}file_mp4=$name'.mp4'echo $nameecho $f_wmv'==>'$file_mp4echo "ffmpeg  -i $f_wmv -c:v libx264 -strict -2 $file_mp4"ffmpeg  -i $f_wmv -c:v libx264 -strict -2 $file_mp4done