Flv-to-mpg-using-ffmpeg-record-convert-stream-digital-audio
Flv-to-mpg-using-ffmpeg-record-convert-stream-digital-audio
FFmpeg is a computer program that can record, convert and stream digital audio and video in numerous formats.
ffmpeg -i kernel_recompile.flv -ab 56 -ar 22050 -b 500 -s 320x240 kernel_recompile.mpg
ffmpeg [[infile options][-i infile]]... {[outfile options] outfile}...
-b 64 option, it sets the video bitrate of the next file.
-i filename input filename
Video Options
-b bitrate
Set the video bitrate in kbit/s (default = 200 kb/s).
-r fps
Set frame rate (default = 25).
-s size
Set frame size. The format is wxh (default = 160x128). The following abbreviaâ
tions are recognized:
-target type
Specify target file type ("vcd", "svcd", "dvd", "dv", "pal-vcd", "ntsc-svcd", ...). All the format options (bitrate, codecs, buffer sizes) are then set automatiâcally. You can just type:
ffmpeg -i myfile.avi -target vcd /tmp/vcd.mpg
Nevertheless you can specify additional options as long as you know they do not conflict with the standard, as in:
ffmpeg -i myfile.avi -target vcd -bf 2 /tmp/vcd.mpg
You can read more about this at http://ffmpeg.mplayerhq.hu/ffmpeg-doc.html







