[Live-devel] Parser for sprop-parameter-sets at desribe response to get width- height...
Ross Finlayson
finlayson at live555.com
Tue Jan 10 17:00:27 PST 2012
> Well, actually i do not decode h264 stream but just need width, height info...
>
> For h264 stream, here is simple buggy parser which gets width height
> from fSpropParameterSets...
> Maybe someone also need a starting point for parsing those data...
Note that we already provide a function:
parseSPropParameterSets()
(defined in "liveMedia/include/H264VideoRTPSource.hh") that parses the "MediaSubsession::fmtp_spropparametersets()" string, Base64-decodes it, etc. - returning an array of NAL units (in binary form).
So you don't need to do the string-to-binary conversion. Instead, you need focus on parsing the NAL unit binaries.
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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