Re: Sony videocam w/ USB

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Bill Davidsen wrote:

Yes, the "local storage" is a tape drive. And given that the camera has only a dozen hours of use in five years, I have a hard time justifying an upgrade. It's totally adequate for the intended use as an easy to use movie camera for a non-camera person. I'd like to get data out pre split, I can split it if absolutely necessary. :-(

OK Bill,
You got me interested enough that I went to the SONY WWW site and I found the use manual for your camera:

	http://www.docs.sony.com/release/DCRTRV260.pdf

It mentions that your camera has the following 3 options:

A/V out. I'm not sure if this is 1 cable with lots of connectors, or many cables, but supposedly it can play to the standard RCA inputs on your VCR (or to an MPEG encoder video capture card). I own a Happauge PVR-350 and use it to record TV directly from my analog cable input, but this card (and others like it) are also capable of recording from an A/V input or even from an S-Video input. And since it contains an MPEG-2 encoder on the card, the result is an MPEG stream that you can write directly to an .mpg file if you so desire. I've even used a fairly simple script to transcode the .mpg files to a format suitable for burning onto DVDs. If your input is clean (digital quality), so should your capture be as well. You've already mentioned that you don't think you want to do an NTSC capture, so that leaves:

i.LNK in/out. The manual states that your i.lnk port is better known as ieee1394 (which is firewire). It also claims that this is a DV port. So, do you have a firewire capture on your computer? dvgrab is supposed to be able to capture firewire input for you. Perhaps a firewire PCI card could help? My laptop has an ieee1394a port, but not everyone does.

USB jack. Here the manual states that the USB jack can be used with a program on your application disk. It calls the output a USB stream. This strongly suggests that one of the previously suggested solutions (like kino or dvgrab) might be able to be used to capture the stream directly if the program supports using the USB connection for input. The dvgrab man page doesn't mention any support for capturing from USB (seems silly though as USB and firewire are used similarly in this regard, but the hardware is very different). What you need is some software to read the stream from the USB port (similar to dvgrab) and provide an interface (like /dev/video0) that you can then use to save the stream to disk like my video capture card does.

I hope this helps!

--
Kevin J. Cummings
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cummings@xxxxxxxxxxxxxxxxxxxxxxx
Registered Linux User #1232 (http://counter.li.org)

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