<br>Generally speaking, Transport streams convey MPEG data, which is encoded in the YUV colorspace.   Presently, you'll see MPEG1, 2, and MPEG4 (and it's various flavours, including AVC/H264...)<br><br>Yes, the caps cause a negotiation with the camera to send what it's supposed/can do<br>
<br><br><div class="gmail_quote">On Mon, Aug 6, 2012 at 1:05 PM, Chuck Crisler <span dir="ltr"><<a href="mailto:ccrisler@mutualink.net" target="_blank">ccrisler@mutualink.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Thank you for the prompt reply. Your samples show using a caps filter, don't they? Does that cause the source filter to actually capture in the desired format, or does it convert what is captured to that format, or either, depending on the capabilities of the actual device? You said that mpeg is generally YUV. Does that mean that it won't contain H264? Can't you encapsulate H264 in mpegts?<br>

<br><div class="gmail_quote">On Mon, Aug 6, 2012 at 3:46 PM, Brian Quandt <span dir="ltr"><<a href="mailto:brian.quandt@gmail.com" target="_blank">brian.quandt@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Generally by setting the caps in whatever language you are using.   Looking at some of the command line examples, you can see it getting set to what they want....<br><a href="http://www.noah.org/wiki/video_4_linux_2_notes" target="_blank">http://www.noah.org/wiki/video_4_linux_2_notes</a><br>


<br>mpegts or any mpeg is just about always YUV (420 mostly, but in higher end encoders 422)<br><br><div class="gmail_quote"><div><div>On Mon, Aug 6, 2012 at 12:39 PM, Chuck Crisler <span dir="ltr"><<a href="mailto:ccrisler@mutualink.net" target="_blank">ccrisler@mutualink.net</a>></span> wrote:<br>


</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>How do you specify the capture format and resolution on the V4L2src plugin? Where is the mpegts generated, or is it captured from the device in that format? Does the mpegts contain raw YUV/RGB data or is it encoded?<br>


<br>
Thank you!<span><font color="#888888"><br>Chuck Crisler<br>
</font></span><br></div></div>_______________________________________________<br>
gstreamer-devel mailing list<br>
<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a><br>
<a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
<br></blockquote></div><br>
<br>_______________________________________________<br>
gstreamer-devel mailing list<br>
<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a><br>
<a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
<br></blockquote></div><br>
<br>_______________________________________________<br>
gstreamer-devel mailing list<br>
<a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a><br>
<a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
<br></blockquote></div><br>