<br><br><div class="gmail_quote">2009/6/25 Phil Rendell <span dir="ltr"><<a href="mailto:philrendell@gmail.com">philrendell@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Thanks. That explains why the two plugins can't speak to each other. I do have ffdec_dvvideo, but I can't get gst-launch-0.10 dshowvideosrc ! fakesink to work as this causes gst-launch to crash, again without anything useful being outputted on the command line, even with the -v option. If I recreate the pipeline in my application I get an integer division by zero exception sometime during the call to gst_element_link_many. <br>
<br>I know that dshowvideosrc can find the camera because when I set the device-name property to be the wrong camera name the pipeline falls through without an exception being thrown. I've had a look at the other properties I could set on dshowvideosrc, but can't see anything that jumps out at me that I should configure.<br>
<br>Is there anything else that you can think of that I could do?<br><font color="#888888"></font></blockquote><div><br>You could tell us the output you get with the 2 following pipelines:<br><br>gst-launch-0.10 -v dshowvideosrc ! "video/x-dv, systemstream=0" ! fakesink<br>
<br>and<br><br>gst-launch-0.10 -v dshowvideosrc ! "video/x-dv, systemstream=1" ! fakesink<br><br>One should fail with a link error. The other one should lead to the crash you got.<br><br>Then about the crash and the division by zero. I have some ideas but could you tell us<br>
if there is any framerate (fps) infos in the page properties of the filter and the outpins using graphedit.<br>Finally right click on the output pin and then select render pin. Then play the graph.<br>Does it play correctly?<br>
<br>Julien<br> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><font color="#888888"><br>Phil<br><br><br></font><div class="gmail_quote">
<div class="im">2009/6/25 Julien Isorce <span dir="ltr"><<a href="mailto:julien.isorce@gmail.com" target="_blank">julien.isorce@gmail.com</a>></span><br>
</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br><br><div><div></div><div class="h5"><div class="gmail_quote"><div>2009/6/25 Phil Rendell <span dir="ltr"><<a href="mailto:philrendell@gmail.com" target="_blank">philrendell@gmail.com</a>></span><br>
</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br><div>There is only one filter under the Video Capture Sources group: the Microsoft DV Camera and VCR. There are two output pins: DV A/V Out and DV Vid Out. All of the properties in DV A/V Out are disabled and are either empty or set to 'None', with the exception of the color space/compression (which is probably the one we're interested in) which is set to dvsd. <br>
<br>The properties for DV Vid Out are the same as above, but without the color space/compression set.<br><br></div></blockquote></div><br>Then I think gst-launch-0.10 dshowvideosrc ! fakesink can play (I should ask you first) because dvsd is ok with the current implementation.<br>
But in this case I can see from the implementation that dshowvideosrc outputs <br>video/x-dv<br>You should see it using -v option.<br>Anyway, ffmpegcolorspace doest not handle video/x-dv, that's why you got <br><div>
"<font size="2" color="black" face="Courier New"><span style="font-size: 10pt; color: black;">WARNING: erroneous pipeline: could not link dshowvideosrc0 to ffmpegcsp0"<br>
<br></span></font></div>Then you could try to insert a ffdec_dvvideo (if you have it) bettween dshowvideosrc and ffmpegcolorspace.<br>(note that I do not know if gstreamer has a dv decoder that does not come from gst-ffmpeg)<br>
<br>Sincerely<br><font color="#888888"><br>Julien</font><br></div></div></blockquote></div></blockquote></div><br>