ECS Installation Manual

Use the following command to trim a MP4 file. ffmpeg -ss 00:02:45 -t 00:04:00 -i source.mp4 -c copy output.mp4 Explanation: -ss 00:02:45 : You can trim the video from beginning ( set this parameter to 00:00:00)  or in the middle. In this example, the output will start from 2mins and 45 seconds from the original video. -t 00:04:00 : duration that need. In this example, the output will start from 02:45 of the source video and stop at 06:45. -c copy : use the same codec with the source file

Use the following command to convert FLV file to MP4. ffmpeg -i source.flv output.mp4 If you received error ( Codec is experimental but experimental codecs are not enabled, try -strict -2 ) when trying to use the command above, you can try ffmpeg -i source.flv -strict -2 output.mp4 If you would like to change the bit rate, you can add in ar option. ffmpeg -i source.flv -ar 22050 output.mp4