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Re: [Linphone-developers] profile-level-id not matching RTP SPS

From: Jonathan Rosser
Subject: Re: [Linphone-developers] profile-level-id not matching RTP SPS
Date: Wed, 29 Aug 2012 17:55:58 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0

On 29/08/12 17:44, Nathan Stratton wrote:
I have linphone 3.5.2 compiled with ENABLE_HD and have my profile-level-id
set to 640033 for high level 5.1 and my webcam set to 1080p. When I call
another device I send that the remote end responds with high and level 5.1
however if I look at the linphone RTP packets and the SPS I see that
Profile_idc is set to Baseline, Level_Id is set to 1.3, and resolution is
set to 800x600.

So it looks like the HD info is not getting passed to the encoder, any way
to fix this?

I had to make considerable changes to msx264, you'll see that picture size is driven by the bitrate setting.

It certainly can be done - we use it every day and 1080p is certainly possible given a number of patches. Let me know if you need more than this as a hint where to look.


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