On Fri, 28 May 2021 13:45:35 -0400 Dan Ritter <d...@randomstring.org> wrote:
> Charlie Gibbs wrote: > > [copy of posting to comp.os.linux.misc] > > > > References: <s7pfr301...@news1.newsguy.com> > > <atk9nh-fs1....@aretha.foo> > > > > On 2021-05-17, Peter 'Shaggy' Haywood <phayw...@alphalink.com.au> > > wrote: > > > mencoder tv:// -tv \ > > > driver=4vl2:input=1:norm=pal:width=720:height=576:fps=25 \ > > > -endpos 1:30:00 -ovc lavc -oac copy -lavcopts vcodec=mpeg4 \ > > > -o filename.avi > > > > I finally found the time to do some more experimenting. The example > > above is a good starting point. I found that I can watch VHS tapes > > (or whatever else is plugged into the composite video input) on my > > machine with the following command: > > > > mplayer tv:// -tv > > driver=v4l2:input=1:norm=NTSC-M:width=720:height=480 > > > > Tuner cap: STEREO LANG1 LANG2 > > Tuner rxs: MONO > > Capabilities: video capture VBI capture device tuner read/write > > streaming > > inputs: 0 = Television; 1 = Composite1; 2 = S-Video; > > Current input: 1 > > Current format: UYVY > > v4l2: current audio mode is : MONO > > Audio: no sound > > > > Note the "Audio: no sound" line. I still have to figure that one > > out to get beyond silent movies. Any hints? > > Yes: composite video doesn't carry audio at all. Your VCR has > either mono or stereo RCA audio output jacks, and you can plug > them into a stereo RCA-> 1/8" stereo headphone plug or adapter > cable to bring it into your sound card. Possibly your video > capture card has a separate jack for that? Typically red and white phono connectors are left and right audio, yellow is composite video. The S-Video connector is normally a four-pin mini-DIN connector, and also doesn't carry audio. > > Input 0 is probably RF-frequency NTSC with a tuner to select > channels. That's low-quality, but includes audio. > > Input 2 is S-Video, which is the best of the available video > connections if your VCR supports it. (I have one that does... if > it still powers up.) -- Joe
