Tuesday, May 1, 2012

copy flv to mp4 or mp3 formatted videos with ffmpeg

copy stanza -vcodec copy -acodec copy

ffmpeg -i input.flv -vcodec copy -acodec copy output.mp4

with audio re-encode
ffmpeg -i input.flv -vcodec copy -acodec mp2 -ar 44100 -ab 128k output.mp4
upgrade audio encode
ffmpeg -i input.flv -vcodec copy -acodec libfaac -aq 200 output.mp4

mp3 encode (requires codecs to be added)
ffmpeg -i input.flv -acodec libmp3lame -aq 4  output.mp3

additional codecs for 11.10
sudo apt-get -y install ffmpeg libavcodec-extra-52
sudo apt-get -y install ffmpeg libavcodec-extra-53

link to codec discussion:

link to encoding discussion:

1 comment:

  1. nice info, thanx) but as for me, i usually use this tool for flash to video converting http://www.macvide.com/Macvide_FlashVideo_Converter/, it's simple and nice!)