<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> Ack - that feels SOO CLOSE to what I need. Unfortunately, the element being discussed - 'stamp' - no longer appears to be part of gstreamer v0.10: WARNING: erroneous pipeline: no element "stamp" And sure enough 'gst-inspect' does not include any reference to a 'stamp' element either. I shall keep digging! -jason Mark Nauwelaerts wrote: <blockquote cite="mid:47CDC568.6070906@skynet.be" type="cite"> <pre wrap="">This could be another example of what is mentioned in the Note at the end of section <a class="moz-txt-link-freetext" href="http://gentrans.sourceforge.net/docs/head/manual/html/howto.html#sect-recording">http://gentrans.sourceforge.net/docs/head/manual/html/howto.html#sect-recording</a> (observe that introducing a queue actually entails a "separate thread", as it is mentioned in this context). In itself, that may not provide more of an explanation :-(, but may give some ideas/inspiration to variations/alternatives. Regards, Mark. Jason L. Buberel wrote: </pre> <blockquote type="cite"> <pre wrap="">Oddly enough, that makes things worse :( Here is what I have confirmed - the following command will result in a VERY clear high quality audio-only recording on my configuration: </pre> <blockquote type="cite"> <pre wrap="">gst-launch-0.10 alsasrc device="hw:1,0" ! </pre> </blockquote> <pre wrap="">audio/x-raw-int,rate=16000,channels=1,depth=16 ! audioconvert ! vorbisenc ! oggmux ! filesink location=audio-only.ogg Which you can hear: <a class="moz-txt-link-freetext" href="http://www.buberel.org/audio-only.ogg">http://www.buberel.org/audio-only.ogg</a> But when I use Nei's command below, which has essentially the same audio parameters but with the additional 'queue' element to record audio and video, I see many of the following error messages: WARNING: from element /pipeline0/alsasrc0: Can't record audio fast enough Additional debug info: gstbaseaudiosrc.c(603): gst_base_audio_src_create (): /pipeline0/alsasrc0: dropped 13600 samples WARNING: from element /pipeline0/alsasrc0: Can't record audio fast enough Additional debug info: gstbaseaudiosrc.c(603): gst_base_audio_src_create (): /pipeline0/alsasrc0: dropped 12000 samples WARNING: from element /pipeline0/alsasrc0: Can't record audio fast enough Additional debug info: I am going to work on an ascii-art diagram of this pipeline in the hopes that it will help others see the mistake I am making. -jason Nie Jun wrote: </pre> <blockquote type="cite"> <pre wrap="">gst-launch-0.10 v4l2src ! queue ! videorate ! video/x-raw-yuv,width=800,height=600,framerate=15/1 ! ffmpegcolorspace ! theoraenc ! queue ! oggmux name=mux alsasrc device="hw:1,0" ! audiorate ! audio/x-raw-int,rate=16000,channels=1,depth=16 ! queue ! audioconvert ! vorbisenc ! QUEUE ! mux. mux. ! queue ! filesink sync=true location=test.ogg hope it helps you. </pre> </blockquote> <pre wrap="">------------------------------------------------------------------------ ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. <a class="moz-txt-link-freetext" href="http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/">http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/</a> ------------------------------------------------------------------------ _______________________________________________ gstreamer-devel mailing list <a class="moz-txt-link-abbreviated" href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> <a class="moz-txt-link-freetext" href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> </pre> </blockquote> </blockquote> </body> </html>