[Live-devel] testRTSPClient / H.264 Network Camera Stream

[tboonefisher at clear.net]

From: Ross Finlayson 
Sent: Friday, April 05, 2013 7:10 PM
To: LIVE555 Streaming Media - development & use 
Subject: Re: [Live-devel] testRTSPClient / H.264 Network Camera Stream

      I am experimenting with the testRTSPClient app to develop a DirectShow source filter to connect to a network camera outputting an H.264
  video stream. The app successfully connects to the camera and shows the following continuous output:
  ... 
  Stream "rtsp://192.168.1.7:65534/videoSub/"; audio/PCMU:        Received 960 bytes.     Presentation time: 1365102232.117119
  Stream "rtsp://192.168.1.7:65534/videoSub/"; video/H264:        Received 411 bytes.     Presentation time: 1365102232.186298
  Stream "rtsp://192.168.1.7:65534/videoSub/"; audio/PCMU:        Received 960 bytes.     Presentation time: 1365102232.226244
  Stream "rtsp://192.168.1.7:65534/videoSub/"; video/H264:        Received 458 bytes.     Presentation time: 1365102232.375975
  Stream "rtsp://192.168.1.7:65534/videoSub/"; audio/PCMU:        Received 960 bytes.     Presentation time: 1365102232.359869
  Stream "rtsp://192.168.1.7:65534/videoSub/"; audio/PCMU:        Received 960 bytes.     Presentation time: 1365102232.465869
  Stream "rtsp://192.168.1.7:65534/videoSub/"; audio/PCMU:        Received 960 bytes.     Presentation time: 1365102232.585744
  Stream "rtsp://192.168.1.7:65534/videoSub/"; video/H264:        Received 950 bytes.     Presentation time: 1365102232.666086
  ...

      Initially, I am only interested in the video portion of the stream.
  Using the library, what is the most efficient way to get access to the H.264 portion of the stream

>>Because this is a Frequently Asked Question, I have now added an entry for it to the FAQ.  See: 
>>http://www.live555.com/liveMedia/faq.html#testRTSPClient-how-to-decode-data

Re-reading your explanation above, in my ContinueAfterSETUP method,  should I do the following:

unsigned n_records=0;
const char* sps = scs.subsession->fmtp_spropparametersets();    
SPropRecord* pSPropRecord = parseSPropParameterSets( sps, n_records );

Now what do I send to my downstream decoder ??

Thanks,

Tom Fisher






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