<pre><br>><i>I found there was no the line of "a=x-dimensions:<width>,<height>" <br></i>><i>to update the default width and height by the real dimension. I just <br></i>><i>found the lines of "a=cliprect:0,0,288,352" and "a=framesize:96 <br></i>><i>352-288".<br></i>><i><br></i>><i>First, I didn't find any explanation about the sematics for these <br></i>><i>two attributes on Internet.<br></i><br>> That's because they have not been standardized (as far as I can tell).<br><br>If is there other way to force RTSP streaming server to add the frame rate and video frame size attributes into SDP description text?<br>MP4Box didn't put frame rate into its generated SDP description text. <br><br>Thank you Ross! <br></pre> <BR><BR>Hong Liu<br>------------------------------<p> 
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