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FFmpeg系列:FFmepg常用命令
阅读量:240 次
发布时间:2019-03-01

本文共 430 字,大约阅读时间需要 1 分钟。

查看FFmpeg版本

ffmpeg -version

获取视频总帧数

ffprobe -v error -count_frames -select_streams v:0 -show_entries stream=nb_read_frames -of default=nokey=1:noprint_wrappers=1 C:\abc.mp4

命令最后的“C:\abc.mp4”是本地视频路径。

输出为:

3816

参考:

获取视频最后一帧(目前只能按每50毫秒,也就是0.05秒一帧,来输出图片)

ffmpeg -i C:\ds.mp4 -r 20 -f image2 C:\ds_image-%05d.jpeg

其中 20=1/0.05

如果想把图片输出到某一个目录,需要先在C盘新建文件夹,否则会报错,然后执行命令。

ffmpeg -i C:\ds.mp4 -r 20 -f image2 C:\ds\ds_image-%05d.jpeg
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xxx

转载地址:http://lcbt.baihongyu.com/

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