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From: | Sven Westergren |
Subject: | [Linphone-developers] H263 and RFC2190 parsing |
Date: | Wed, 26 May 2010 12:15:41 +0200 |
Hi all, We have been experiencing problems when
using mediastreamer2 to call some h263 phones (e.g. Visiontech 8808, Tandberg
E20) with minor to severe artifacts and loads of error printouts from ffmpeg
h263 decoder. After comparing different h263 stream we have come to suspect
that it’s the handling of the rfc2190 header that is the culprit. In the
current implementation in videodec.c the SBIT and EBIT fields are not handled, so
when packets are concatenated before being sent to ffmpeg bits that should be
ignored/stripped are included. Are there any plans to introduce support
for SBIT and EBIT in mediastreamer2 or is it already handled in some other way that
we have missed? Best regards Sven Westergren nWise AB |
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