[FFmpeg-devel] [PATCH] sdp: Add a framesize attribute to H263 SDP descriptions

Martin Storsjö martin
Mon Dec 20 16:09:10 CET 2010

On Mon, 20 Dec 2010, Luca Abeni wrote:

> On 12/20/2010 02:08 PM, Martin Storsj? wrote:
> > Hi Luca,
> > 
> > Yes, we've discussed it before, but then I didn't know about any players
> > actually requiring it - now I've stumbled upon such ones.
> Well, if there are players who need this attribute, this must be done.
> I just suggest to add a small comment (to avoid confusing other people
> reading the code).

Ok, added a comment.

> > Do we btw normally support muxing streams with varying frame size? We've
> > got the same issue for all other formats that transmit the frame size
> > implicitly in extradata in the SDP (such as H264 or MPEG4).
> If you use in-band global headers, it works ok. I tried it in the past
> with H.264 and in-band PPS/SPS, and it worked (I think this kind of
> things are done by DVB-H for changing the resolution on advertisements,
> or similar).

Ah, yeah, now I recall you mentioning that.

// Martin
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