Coswell Productions

LVPE: Avidemux and JPEG Photo AVI files not working?

I recently edited together a video for a friend and tried to bring it into Avidemux using the process I outlined earlier, but to no avail -- a new build of Avidemux for Ubuntu refused to read the JPEG Photo codec files I outputted from Cinelerra. Not wanting to have to mess with export formats from Cinelerra again, I decided instead to join all of the AVI files using ffmpeg and named pipes and make one big high quality MPEG-2 file that I would then convert into a DVD ready MPEG-2 file using Avidemux. The bash script I used was (be sure to convert HTML entities as needed if you copy and paste):

# clean up any leftover ffmpeg processes that may be using the fifos
pkill ffmpeg
for final_file in final-*.avi; do
  fifo_file="fifo-${final_file}.mpg"
  rm $fifo_file
  mkfifo $fifo_file
  ffmpeg -i "$final_file" -f dvd -sameq \
    -b 10000000 -ab 256000 -vcodec mpeg2video \
    -acodec mp2 -y "$fifo_file" < /dev/null &
done
cat fifo-*.mpg |\
ffmpeg -i - -i final-audio.wav \
  -f dvd \
  -vcodec mpeg2video \
  -acodec mp2 \
  -sameq \
  -aspect 16:9 -y \
  -b 10000000 -ab 256000 \
  -map 0:0 -map 1:0 \
  -r 23.976 \
  final_video.mpg

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