Hi Thiago,<br><br>Thanks for the quick help. I tried videorate, and it worked. I will test the newer good-plugin later.<br><br>Yiliang<br><br><div class="gmail_quote">On Tue, Oct 20, 2009 at 10:38 AM, thiagoss <span dir="ltr"><<a href="mailto:thiagossantos@gmail.com">thiagossantos@gmail.com</a>></span> wrote:<br> <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 class="gmail_quote"><div class="im">On Tue, Oct 20, 2009 at 3:15 PM, Yiliang Bao <span dir="ltr"><<a href="mailto:yiliangb@gmail.com" target="_blank">yiliangb@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <br> Following is the pipeline I used:<br> <br> gst-launch -e v4l2src ! ffmpegcolorspace ! x264enc ! qtmux ! filesink<br> location=a.mov<br> <br> The output from gst-launch is:<br> <br> ERROR: from element /GstPipeline:pipeline0/GstQTMux:qtmux0: Could not<br> multiplex stream.<br> Additional debug info:<br> gstqtmux.c(1107): gst_qt_mux_add_buffer ():<br> /GstPipeline:pipeline0/GstQTMux:qtmux0:<br> Failed to determine time to mux.<br> Execution ended after 416709785 ns.<br> <br> I also tried the following 2 pipelines and both of them are working fine.<br> <br> gst-launch -e v4l2src ! ffmpegcolorspace ! qtmux ! filesink location=a.mov<br> gst-launch filesrc location=Videos/g.mov ! decodebin ! ffmpegcolorspace !<br> x264enc ! qtmux ! filesink location=a.mov<br> <br> I have tried both webcam and TV capture card as the capture device, but got<br> the same result.<br> <br> Has anyone seen similar problem before? I found one post reporting the same<br> problem, but there was no followup.<br> <br> <a href="http://www.nabble.com/rtsp---h264---mp4mux-td23866919.html#a23937937" target="_blank">http://www.nabble.com/rtsp---h264---mp4mux-td23866919.html#a23937937</a></blockquote><div><br></div></div><div>This issue has already been fixed in current git (it was a v4l2src issue).</div> <div>You can backport the change (commit 72af90ae31907964b31c368164ec17d0f72aa7bf), upgrade to the git version or wait a new -good release come out.</div><div><br></div><div>Maybe adding a videorate after v4l2src will also make it work.</div> <div class="im"> <div><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> Thanks!<br> <br> Yiliang<br> <br> --<br> View this message in context: <a href="http://www.nabble.com/Cannot-save-H.264-bitstream-in-QuickTime-%28qtmux%29-file%2C-error-%22failed-to-determine-the-time-to-mux%22-tp25979039p25979039.html" target="_blank">http://www.nabble.com/Cannot-save-H.264-bitstream-in-QuickTime-%28qtmux%29-file%2C-error-%22failed-to-determine-the-time-to-mux%22-tp25979039p25979039.html</a><br> Sent from the GStreamer-devel mailing list archive at Nabble.com.<br> <br> <br> ------------------------------------------------------------------------------<br> Come build with us! The BlackBerry(R) Developer Conference in SF, CA<br> is the only developer event you need to attend this year. Jumpstart your<br> developing skills, take BlackBerry mobile applications to market and stay<br> ahead of the curve. Join us from November 9 - 12, 2009. Register now!<br> <a href="http://p.sf.net/sfu/devconference" target="_blank">http://p.sf.net/sfu/devconference</a><br> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.sourceforge.net" target="_blank">gstreamer-devel@lists.sourceforge.net</a><br> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> </blockquote></div></div><font color="#888888"><br><br clear="all"><br>-- <br>Thiago Sousa Santos<br> </font><br>------------------------------------------------------------------------------<br> Come build with us! The BlackBerry(R) Developer Conference in SF, CA<br> is the only developer event you need to attend this year. Jumpstart your<br> developing skills, take BlackBerry mobile applications to market and stay<br> ahead of the curve. Join us from November 9 - 12, 2009. Register now!<br> <a href="http://p.sf.net/sfu/devconference" target="_blank">http://p.sf.net/sfu/devconference</a><br>_______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a><br> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> <br></blockquote></div><br>