[Live-devel] H264 H264VideoRTPSource
Ross Finlayson
finlayson at live555.com
Mon Jan 25 05:00:21 PST 2010
>I'm working with the class H264VideoRTPSource when I recieve RTP
>data information of an IP Camera and I have some questions.
>
>First, If I look my (subsession->(fVideoWidth y fVideoHeight)) and I
>can't extract video resolution because this values are 0.
Only a few RTSP/RTP streams specify this information in their SDP
description (i.e., as a hint). In general, you can get this
information (video width and height) only by decoding the video
stream.
> Then I'm looking to extract that information looking the SPS,
>Sequence Parameter Set, packets. On the live555 classes I have been
>looking and I can't find any parser of that data. Is possible
>extract that information using live555 or I need to search another
>parser to do that task?
No, you will need a H.264 video decoder.
--
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
More information about the live-devel
mailing list