On Sun, 6 Mar 2016 23:51:40 +0100 Carlos E. R. wrote:
If I tell avidemux3 to play the original video, it has no sound, just chirps.
Hi Carlos, I did an extensive survey of audio and video editing software for Linux a few years ago and I thought I'd share my recollections. I liked kdenlive, kino and Cinelerra (I still keep this last one installed) but I don't think any of them can be used standalone. There are always "pre-processing", "interim processing" and "post-processing" tasks to be done with various libraries and command line tools. I know the following simple example isn't directly related to your current experiments, but it does exemplify this phenomenon. It is derived from my old notes: ffmpeg reading the original recording date and time and encoding it in the frames in the output file to be visible when the video is played: ffmpeg -r 29.97 -s 320x240 -i /mnt/sdc1/sources/inputfile.mpg -vhook \ '/usr/lib/vhook/imlib2.so -c white -F FreeSans.ttf/12 -x 0 -y 0 -t \ %A-%D-%T' /mnt/sdd1/projects/timestamped.mp4 You see /mnt/sdc1 and /mnt/sdd1 ? I consistently experienced the best and most reliable performance using separate, external disks for 'source,' 'temporary files' and 'target' This avoids read/write collisions which can break processing of streams. I also seem to recall the above mentioned GUIs "imported" videos by decompressing and storing ("caching") them in raw DV format. I ultimately discovered that I spent a great less time waiting when I decompressed my source files in advance to an external disk. YMMV but I hope this helps! :-) regards, Carl -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org