Re: Dynamic Reconnection in directshow filters
- From: "Alessandro Angeli [MVP::DigitalMedia]" <nobody@xxxxxxxxxxxxxxxxxx>
- Date: Sat, 24 Dec 2005 09:21:33 +0100
bhavnarohra@xxxxxxxxxxx wrote:
[CUT]
> Can someone guide me on this. Yes, but this is true that
> the IPinConnection interface is not supported by the avi
> mux filter. So does that mean that the avi muxer does not
> support dynamic reconnection?
Yes, the AVIMux does not support dynamic reconnection. What
would the point being of supporting it on an AVI muxer? The
AVI container does not support format changes in mid-stream.
It's not like a video renderer which can re-allocate a new
display surface on the fly.
The same applies to muxers for almost any other file format
(ASF/WMV, MOV...): the stream format is written once in the
header and can not change in mid-stream.
The MPEG1/2 system stream is the only one I know of that can
handle format changes because there is no header and the
format is stated at the beginning of each audio frame or
video GOP. I don't know about MP4.
--
// Alessandro Angeli
// MVP :: Digital Media
// a dot angeli at psynet dot net
.
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