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Flv-to-mpg-using-ffmpeg-record-convert-stream-digital-audio

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April 12, 2009, at 08:51 AM by 118.95.6.52 -
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'''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 abbrevia‚
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 automati‚cally. 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

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