Thanks, Bernie. I understand. Greetings,
Janos -- Janos G. Komaromi sent it NOT from iPhone nor Google facebook, instagram, viber, snapchat, twitter, #@*~| etc. - neither of those https://jgklinux.jankom.net/ On Thu, 2022-09-29 at 19:20 +0200, Bernhard Praschinger wrote: > Hallo, > > > I have not been doing video stuff for a few years, but now as a > > retiree > > I wanted to digitize my old videos from magnetic tapes. I have a > > neat > > gizmo that creates an .avi file from VHS video and stereo inputs on > > a > > micro sd card. The created .avi file plays well with vlc. > That kind of device is what I would use this day's too. > > > Here is my issue and request for help. > > > > I try to make some very basic editing of the digitized .avi file, > > but > > ran into a problem. I studied my older posts, notes, but am still > > stuck. It looks like the.avi file created with the digitizing gizmo > > is > > too sophisticated for lavplay or glav - see below. Do I need to > > trans- > > code the .avi file, and how? Thank you for your attention - Janos > > > > As a side note: could you please add another email address to this > > mailing list. It is the address on the mail server running on my > > Fitlet > > machine - ja...@andraslinux.jgklinux.jankom.net > > > > DETAILS: > > janos@andraslinux ~/tmp $ lavplay -p S -v 2 ezcap0001.avi > > lavplay2.2.1 > > lavtools version 2.2.1 > > --DEBUG: [lavplay] Opening video file ezcap0001.avi ... > > **ERROR: [lavplay] Error opening ezcap0001.avi > > > > janos@andraslinux ~/tmp $ file ezcap0001.avi > > ezcap0001.avi: RIFF (little-endian) data, AVI, 800 x 592, 30.00 > > fps, > > video: XviD, audio: MPEG-1 Layer 3 (stereo, 44100 Hz) > > > > janos@andraslinux ~/tmp $ ffprobe ezcap0001.avi > > ffprobe version 4.4.2 Copyright (c) 2007-2021 the FFmpeg developers > > built with gcc 11.3.0 (Gentoo 11.3.0 p4) > > ... > > Input #0, avi, from 'ezcap0001.avi': > > Duration: 01:48:51.67, start: 0.000000, bitrate: 967 kb/s > > Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / > > 0x44495658), yuv420p, 800x592 [SAR 1:1 DAR 50:37], 896 kb/s, 30 > > fps, 30 > > tbr, 30 tbn, 30 tbc Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), > > 44100 Hz, stereo, fltp, 64 kb/sThe mjpegtools can only handle a few > > AVI Codecs. For example: dvvideo > and mjpeg it can't decode the encoded MPEG4 > > I don't know if ffmpeg can decode it in a format the mjpegtools > understand. But mplayer can (should) do it, here is are example > commands > for video: > >mkfifo stream.yuv > >cat stream.yuv │ yuvdenoise │ yuvscaler -O SVCD │ mpeg2enc -f 4 -o > video_svcd.m2v > >mplayer -nosound -noframedrop -vo yuv4mpeg anyfile.mpg > > For Audio: > >mplayer -vo null -ao pcm:file=anyfile.wav anyfile.mpg > > cat anyfile.wav │ mp2enc -v 2 -V -o sound.mp2 > > You find a section in the: mjpegtools manpage called: Decoding > streams > with mplayer that should explain it in more detail. I hope the > program > > I did a quick check it should work. Please test it and let us know if > it > worked. > > auf hoffentlich bald, > > Berni the Chaos of Woodquarter > > Email: bernh...@griesbach.at > www: http://www.lysator.liu.se/~gz/bernhard _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
