[FFmpeg-devel] [PATCH] ffserver rtsp bug fixes

Howard Chu hyc
Wed May 19 08:24:36 CEST 2010

Howard Chu wrote:
> Howard Chu wrote:
>> This patch plugs a number of per-session memory leaks in the rtsp code. Also
>> replaced one instance of strchr() with memchr() to silence a valgrind warning
>> about running off into the weeds (reading uninit'd memory). Unfortunately
>> there are still a large number of those...
> All of my testing so far was with streams coming from an ffm feed. I just
> found this bug while running valgrind using a stream read from a file. Streams
> read from a file will reference freed memory because add_av_stream1() didn't
> copy the extradata from the codec.
> Note that I still haven't gotten ffserver to successfully stream anything from
> a file, there are plenty more problems left to chase down.

It turns out that streaming just audio from FLV files was working fine. But 
the H264 video was encoded as the AVC1 subtype, and none of the sdp or rtp 
code handled this. This patch gets RTP working for me from an FLV (AVC1) file 

   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/
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