mpeg2 support in kernel?

mpeg2 support in kernel?

[Britton]

I see the following snipet of code in the O'Reilly Linux Multimedia Guide:

if (formats & AFMT_MPEG) {
  printf("  MPEG 2");
  (deffmt = AFMT_MPEG) ? printf(" (default)\n") : printf("\n");
}

Is there something you can compile into the kernel that will let the "dsp"
produce mpeg 2 encoded stuff?  If so I'd love to know about it.

__
GNU GPL: "The Source will be with you... always."

Britton Kerin

Re: mpeg2 support in kernel?

[Erik de Castro Lopo]

Britton wrote:
> 
> I see the following snipet of code in the O'Reilly Linux Multimedia Guide:
> 
> if (formats & AFMT_MPEG) {
>   printf("  MPEG 2");
>   (deffmt = AFMT_MPEG) ? printf(" (default)\n") : printf("\n");
> }
> 
> Is there something you can compile into the kernel that will let the "dsp"
> produce mpeg 2 encoded stuff?  If so I'd love to know about it.

MPEG encoding/decoding does not belong in the kernel but in a 
user space program or library. The libary option is probably
best.

Erik
-- 
+-------------------------------------------------+
     Erik de Castro Lopo     erikd@zip.com.au
+-------------------------------------------------+
"We all know Linux is great...it does infinite loops in 5 
seconds." -- Linus Torvalds

Re: mpeg2 support in kernel?

[Hannu Savolainen]

On Wed, 10 Feb 1999, Erik de Castro Lopo wrote:

> MPEG encoding/decoding does not belong in the kernel but in a 
> user space program or library. The libary option is probably
> best.
True. The sample format option is there just for (future) devices that
support MPEG encoding/decoding in hardware.

Best regards,

Hannu
-----
Hannu Savolainen (hannu@opensound.com)
http://www.opensound.com (Open Sound System (OSS))
http://www.opensound.com/ossfree (OSS/Free)

Re: mpeg2 support in kernel?

[Britton]

On Wed, 10 Feb 1999, Erik de Castro Lopo wrote:

> Britton wrote:
> > 
> > I see the following snipet of code in the O'Reilly Linux Multimedia Guide:
> > 
> > if (formats & AFMT_MPEG) {
> >   printf("  MPEG 2");
> >   (deffmt = AFMT_MPEG) ? printf(" (default)\n") : printf("\n");
> > }
> > 
> > Is there something you can compile into the kernel that will let the "dsp"
> > produce mpeg 2 encoded stuff?  If so I'd love to know about it.
> 
> MPEG encoding/decoding does not belong in the kernel but in a 
> user space program or library. The libary option is probably
> best.

That's what I'd have thought.  So the above snipet of code is testing for
that support in one of the included files?


Britton Kerin