<div dir="ltr"><div><div><div><div><div><div><div><div>There are three packetization modes for H264/RTP.<br><br></div>0. SIngle NAL<br></div>1. Non-interleaved<br></div>2. Interleaved.<br><br></div>I have 1 video source that is supplying RTP input with packetization mode 1. None of the others specify the packetization mode. My RTSP clients all fail to decode/display the RTP from this source, but succeed with other sources. My RTSP server has dynamic sources.<br>
<br></div>I don't know the details of what the packetization mode means and effects. I have read about it in RFC 3984 and other places. I suspect that it affects the actual macroblock encoding, hence the decoding, and cannot be determined from the bitstream. That would cause my clients to fail since my RTSP SDP isn't specifying the packetization and the default is 0 (single NAL).<br>
<br></div>The packetization mode can be specified in an SDP. Since the GStreamer RTSP server uses a supplied cap filter with an sprop-parameter-set, it seems like you should be able to also specify the packetization mode. GStreamer 0.10.7 ignores it. :-(<br>
<br></div>I don't know if this is the source of my problem. To be honest, I really don't know the details about what I am talking about. I am thinking of modifying the GStreamer RTSP server code to hardcode the packetization mode in the SDP to see if that allows clients to decode that video stream.<br>
<br></div>But since it seems that the GStreamer RTSP server 0.10.7 doesn't support this option (that is based on my testing), the question is no longer relevant.<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Fri, Jan 17, 2014 at 12:12 PM, Andrey Utkin <span dir="ltr"><<a href="mailto:andrey.krieger.utkin@gmail.com" target="_blank">andrey.krieger.utkin@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2014/1/17 Chuck Crisler <<a href="mailto:ccrisler@mutualink.net">ccrisler@mutualink.net</a>>:<br>
<div class="im">> How do you specify the packetization mode with an RTSP server?<br>
<br>
</div>What exactly do you mean?<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Andrey Utkin<br>
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