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		   Video for Linux Mailing List Archives

List:       linux-video
Subject:    [video4linux] Broadway Mpeg-1 Capture Card
From:       Brian Ristuccia <brianr () osiris ! ml ! org>
Date:       1998-11-13 17:05:13

It looks like some folks are working on a Linux driver for the Broadway
Mpeg-1 Capture Card, but there's no mention of using the Video For Linux API
anywhere on their web page.

I sent them mail about the project. Hopefully they'll take a look at the 
v4l API, and we'll avoid having yet another capture card API. 

The URL is: http://students.washington.edu/huseby/index.html  

-- 
Brian Ristuccia
brianr@osiris.ml.org
bristucc@baynetworks.com
bristucc@cs.uml.edu

List:       linux-video
Subject:    Re: [video4linux] Broadway Mpeg-1 Capture Card
From:       Alan Cox <alan () cymru ! net>
Date:       1998-11-13 18:07:34

> I sent them mail about the project. Hopefully they'll take a look at the 
> v4l API, and we'll avoid having yet another capture card API. 
> 
> The URL is: http://students.washington.edu/huseby/index.html  

I just got mail from them about the mail they got about V4L. It'll be up
shortly.

Alan

List:       linux-video
Subject:    [video4linux] 
From:       "D. Huseby" <huseby () u ! washington ! edu>
Date:       1998-11-13 20:01:36

Hey Eveybody,
	As you might have seen, there is a new project starting up to
support the Broadway(tm) MPEG1 Capture Card.  Data Translation, Inc. has
release all of their win32 source and the effort to write a driver for
Linux has begun.  I have been in contact with the guys at Slashdot and
they pointed me in your direction.  After talking with Alan, the
LinuxBroadway team has decided to integrate into the V4L API.  The
LinuxBroadway driver will be 100% V4L compliant and will be updated as the
V4L API standard evolves.  We are also working on an X windows equivilent
video capture app that will resemble the win32 capture app that Data
Translation, Inc. released.  Currently the LinuxBroadway project is still
looking for volunteers so if you are interested email Dave Huseby
(huseby@u.washington.edu).  The home page for the LinuxBroadway project
can be found at http://students.washington.edu/huseby/index.html  The
source code that was released by Data Translation, Inc. can be downloaded
from the LinuxBroadway site or from http://www.b-way.com  Thanks.
	Dave Huseby
	LinuxBroadway Coordinator
	huseby@u.washington.edu

List:       linux-video
Subject:    Re: [video4linux] Broadway Mpeg-1 Capture Card
From:       Andreas Bogk <ich () andreas ! org>
Date:       1998-11-14 14:10:37

On Fri, Nov 13, 1998 at 12:05:13PM -0500, Brian Ristuccia wrote:
> I sent them mail about the project. Hopefully they'll take a look at the 
> v4l API, and we'll avoid having yet another capture card API. 

The question is: is the v4l API suited for MPEG?

Andreas

-- 
Gwydion Dylan Development -> http://www.randomhacks.com/dylan
"We're fully buzzword-compliant."

List:       linux-video
Subject:    Re: [video4linux] Broadway Mpeg-1 Capture Card
From:       Brian Ristuccia <brianr () osiris ! ml ! org>
Date:       1998-11-14 17:55:39

On Sat, Nov 14, 1998 at 03:10:37PM +0100, Andreas Bogk wrote:
> On Fri, Nov 13, 1998 at 12:05:13PM -0500, Brian Ristuccia wrote:
> > I sent them mail about the project. Hopefully they'll take a look at the 
> > v4l API, and we'll avoid having yet another capture card API. 
> 
> The question is: is the v4l API suited for MPEG?
> 

v4l2 supports codecs. Unless I've really misinterpreted the spec, this
includes mpeg compression in both hardware and software.

-- 
Brian Ristuccia
brianr@osiris.ml.org
bristucc@baynetworks.com
bristucc@cs.uml.edu

List:       linux-video
Subject:    Re: [video4linux] Broadway Mpeg-1 Capture Card (fwd)
From:       "D. Huseby" <huseby () u ! washington ! edu>
Date:       1998-11-15 6:40:31

>On Fri, Nov 13, 1998 at 12:05:13PM -0500, Brian Ristuccia wrote:
>> I sent them mail about the project. Hopefully they'll take a look at
>>the v4l API, and we'll avoid having yet another capture card API. 

>The question is: is the v4l API suited for MPEG?

>Andreas

YES, v4l is ready for MPEG.  The Broadway card does compression at the
hardware level.  You can put it in AVI mode where it gives you an AVI
stream or you can put it in MPEG mode and it gives you MPEG1 compressed
stream, either way, it still supports overlay mode.  Because the hardware
does the compression a command line program is probably going to be
required to initialize the hardware before any commands that copy the data
directly from the device to a file are issued.  The command line details
haven't even been looked at yet, so any and all comments and ideas will be
considered.  I'm pretty sure that no knowledge of the MPEG1 codec will be
needed to program apps that use the Broadway card as far as I can tell.
If you wanna help with the development email me back
huseby@u.washington.edu
	Dave  

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