Re: How to capture composite video
On Fri May 28 16:18:42 2021 Dan Ritter <dsr@randomstring.org> wrote:
> Charlie Gibbs wrote:
>
>> 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?
>
> 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.)
Yes, my card's inputs show up as RF, composite, and S-Video
respectively. I have composite video coming in just fine.
As for audio, I've run a triple RCA cable (red, white, and yellow) from
the jacks on the VCR to the corresponding jacks on the bracket attached
to my Hauppauge card. It's the same cable I used to hook the VCR to my
TV, where it worked fine. The VCR doesn't have S-Video output.
Presumably the Hauppauge card has an audio encoder somewhere;
I just have to find it. "ls -l /dev/ds*" shows nothing, and
"arecord -l" shows:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC892 Analog [ALC892 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 2: ALC892 Alt Analog [ALC892 Alt Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: CX8801 [Conexant CX8801], device 0: CX88 Digital [CX88 Digital]
Subdevices: 0/1
Subdevice #0: subdevice #0
None of those appear to be part of the Hauppauge card; they're probably
on the motherboard. Hmmm, maybe I could use one of them instead...
BTW there's no need to post copies to my e-mail; I see everything
on the list via the Usenet feed to linux.debian.user. Thanks.
--
/~\ Charlie Gibbs | "Some of you may die,
\ / <cgibbs@kltpzyxm.invalid> | but it's a sacrifice
X I'm really at ac.dekanfrus | I'm willing to make."
/ \ if you read it the right way. | -- Lord Farquaad (Shrek)
Reply to: