[opendtv] Re: Pros/Cons of DSP processor based MPEG softwaredecoder or hardware based MPEG decoder
- From: "Tom McMahon" <TLM@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Tue, 8 Feb 2005 22:48:28 -0800
Ahh, yes, and if you can solve the A/V sync issue for the industry more power
to you!
-----Original Message-----
From: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] On
Behalf Of Kon Wilms
Sent: Tuesday, February 08, 2005 10:29 PM
To: opendtv@xxxxxxxxxxxxx
Subject: [opendtv] Re: Pros/Cons of DSP processor based MPEG softwaredecoder or
hardware based MPEG decoder
A monkey can write 10 lines of c code to wait for a sync byte...
Cheers
Kon
(Just saying!)
On Tue, 2005-02-08 at 22:00 -0800, Tom McMahon wrote:
> And gracefully exit and enter the transport stream.
>
> -----Original Message-----
> From: opendtv-bounce@xxxxxxxxxxxxx
> [mailto:opendtv-bounce@xxxxxxxxxxxxx] On Behalf Of Keith Jack
> Sent: Tuesday, February 08, 2005 2:29 PM
> To: opendtv@xxxxxxxxxxxxx
> Subject: [opendtv] Re: Pros/Cons of DSP processor based MPEG software
> decoder or hardware based MPEG decoder
>
>
> > 4) The notion of dynamically swappable SW video decoders may=20 work
> > on PCs but it won't work very well in STBs and DTV sets.=20 The
> > possibility of doing a channel change between, say,=20 H.264/AVC and
> > VC-1 and not having a long burp in the video is=20 remote without a
> > lot of very careful systems work (which=20 hasn't been done yet by
> > any standards body).
>
> As long as the decoder can decode a frame of video and swap codec =
> operation in less than 1/2 video frame, you could do it with proper buffer =
> management.
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