I usually render in .dv format and use ffmpeg to convert to mp4 or whatever.
My script looks like this:
#!/bin/bash
# David Koski
#bitrate="6000k"
bitrate="5600k"
#bitrate="4800k"
iformat="dv"
odname=""
while [ "$1" != "" ]; do
if [ "$1" == '-d' ]; then
shift
# get output directory name
odname="$1"
shift
fi
infile="$1"
bname=$(basename "$1" ".$iformat")
[ "$odname" == "" ] && odname=$(dirname "$1")
shift
[ ! -d "$odname" ] && echo "No directory: $odname" && continue
# pcm_s16be=twos complement
# see "ffmpeg -codecs" and "ffmpeg -formats" for lists of supported
types
ffmpeg -threads 4 -i "$infile" -vcodec mpeg4 -b "$bitrate" -acodec
libfaac
-f mp4 -aspect 4:3 "$odname/$bname.mp4"
done
Yes, it is a bit of a hack but look at the line:
ffmpeg -threads 4 -i "$infile" -vcodec mpeg4 -b "$bitrate" -acodec
libfaac
-f mp4 -aspect 4:3 "$odname/$bname.mp4"
(It is wrapped in the email)
David
> I am willing to use ffmpeg or something to modify an output from Cinelerra
> to get a suitable format if it cannot be created directly, but I would
> appreciate someone telling me exactly HOW to do it.
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