I had a problem with my 640x480 MP4s shot with an Olympus C770. Cinelerra only displayed the top 1/4 of the video. This was because the file reported its size as 320x240. Other players struggled with the format, too.
Someone on the list had a bash script that fixed this. I modified that into a python script that I've been using to convert files.
On 4/26/06, muzzol
<[EMAIL PROTECTED]> wrote:
hi!
i just wanna share this little script to convert canon generated videos
to something that cinelerra can read correctly.
i own a canon powershot a70 and i can record 320x240 and 640x480 videos.
it seems that canon uses an extrange codec/container mixing so cinelerra
can't read it.
i found this simple settings to convert those videos to mov:
ffmpeg -i prova.avi -b 5000 -r 25 -ac 2 -ar 44100 prova.mov
so finally i wrote this script:
###########################################################
#!/bin/bash
DIR="$1"
[ "$DIR" == "" ] && DIR=.
for i in $DIR/* ; do
ffmpeg -i "$i" -b 5000 -r 25 -ac 2 -ar 44100 "${i%.*}".mov
done
###########################################################
you can pass a directory as argument to process all videos in that dir.
obviously you need ffmpeg to use it.
i hope this can help anyone.
if you find a way to improve conversion i'll be very glad to hear it
because im not sure these are best settings to work with cinelerra.
see you!
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