[Live-devel] About -i option and output as AVI format with DivX 4

Fu-Yuan Cheng billycheng at seed.net.tw
Wed Apr 25 02:36:51 PDT 2007


Hello, 

I connect a IP-CAM and use openRTSP to grab it's MPEG4 frame via RTSP. 
I use such command: 
./openRTSP -i -w 640 -h 480 -f 15 -e 30 rtsp://192.168.1.166/mpeg4 > skinner.avi 

Below is running result: 
Opened URL "rtsp://192.168.1.166/mpeg4" 
Created receiver for "video/MP4V-ES" subsession (client ports 32780-32781) 
Created receiver for "audio/PCMU" subsession (client ports 32782-32783) 
Setup "video/MP4V-ES" subsession (client ports 32780-32781) 
Setup "audio/PCMU" subsession (client ports 32782-32783) 
Started playing session 
Receiving streamed data (for up to 30.000000 seconds)... 

I check the format of this skinner.avi file by using "file skinner.avi" 
and the result is below: 
skinner.avi: RIFF (little-endian) data, AVI, 640 x 480, ~15 fps, video: DivX 4, audio: (mono, 8000 Hz) 

By the way, when I put this skinner.avi on M$ and use WMP with DivX codec, 
WMP can't play it and told that not support this kind of file or codec. 

I use AVIcodec to check this skinner.avi and it shows: 
video: DIVX = openDivx v4, supported 
audio: CCITT u-Law, VBR, supported 

Well, does anyone tell me why or what's the problem? 
Thanks very very much~ 

with regards, 
skinner 




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