I'm closing this thread for now. Thank you, Bernie and Stephen, for your ideas and guidance. In summary:
The OS on my Fitlet2 computer is Gentoo, Desktop stable. It has Alsa for sound. After trying to resolve the Alsa / OSS issue with help from Gentoo Forum community I found a solution to the simple video editing task: avidemux. Best regards to you all, Janos On Sat, 19 Nov 2022 06:57:03 +0100 Bernhard Praschinger <bernh...@griesbach.at> wrote: > cd dowHallo, > > Janos G. Komaromi wrote: > > Sorry, I'm back again. I still would like to do my video editing > > with glav and sound. Consequently I did a lot of research and > > Gentoo Forum message exchanges about alsa and OSS. I tried to > > resolve the issue without turning to this mailing list community. > > Here is the latest situation, and now I'm asking for comments, > > suggestions. > > > > After enabling /dev/dsp and making sure that alsa oss emulation is > > configured correctly - quote: > > > > janos@andraslinux ~/save/tmp/videoDigitizing $ glav xcoded.avi > > ++: **ERROR: [lavplay] Error initializing Audio: Audio task died. > > Reason: Error: Soundcard fragment size unexpected > > ++: lavtools version 2.2.1 > I get that error too. > > > janos@andraslinux ~/save/tmp/videoDigitizing $ aoss glav xcoded.avi > > ++: **ERROR: [lavplay] Error initializing Audio: Audio task died. > > Reason: Error: Invalid argument - mapping audio buffer (consider > > using read/write instead of mmap) > > ++: lavtools version 2.2.1 > > Unquote. > With the same options the same error message. It get's more > descriptive if you add -v 2 > Did you add -U so it uses the the Read/write mode instead of the mmap > mode ? This helps me here to lavplay/glav does not crash. > > Does your distribution use still ALSA ? My opensuse uses PulseAudio, > using the padsp - PulseAudio OSS Wrapper instead of aoss, made > lavplay play back the videos audio and sound. The command looked like > this: padsp lavplay file.avi -U > > > Apparently something is wrong either with "fragment size". I could > > probably configure fragment size if I knew what lavplay expects; the > > loaded modules are: > > > > snd_pcm_oss > > snd_mixer_oss > > or something is wrong with in the code of lavplay. > Could be, but I just enjoy a old Music Video from Marusha :-) > > auf hoffentlich bald, > > Berni the Chaos of Woodquarter > > Email: bernh...@griesbach.at > www: http://www.lysator.liu.se/~gz/bernhard -- sent from Janos' Hillary server and NOT from iPhone nor Google facebook, instagram, viber, snapchat, twitter, tik-tok, etc. - neither of like those. https://andraslinux.jgklinux.jankom.net/ _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users