Sam Varshavchik wrote:
David Miller writes:
My church has decided that they would like to do digital recording
using a computer in place using tape. I have setup a FC10 machine
that I plan on using for this. I see several packages that will record
but I don't want to have a 700M file. Is there a package that will
break the recording into, lets say, 10min files and then be able to
burn those to CD as audio tracks with zero time between tracks.
At some point later I would like to get a camera and start doing video
recording of the service and place of DVD.
mplayer's mencoder should be able to do it. Use it as a no-op filter,
but specify the -ss and -endpos options to extract a chunk from the
source video.
mencoder should work for both audio and video files. There's probably an
mplayer option that dumps the chronological size of the audio/video
file. Have a script use that to figure out how to chop up the file, then
invoke mencoder repeatedly to carve out each chunk.
Warning, having tried to do that using ffmpeg, if you break at the wrong point
you will lose sync between sound and video. There is a granularity issue which I
don't remember, other than having to play with audio to video offset later to
get it right.
Hint: that same audio time shift can be a life saver if you are recording from a
distance using a zoom lens and a shotgun mic or parabolic audio mic, since the
sound will be delayed. You can shift it back "in sync" with ffmpeg.
--
Bill Davidsen <davidsen@xxxxxxx>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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