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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Thanks Chuck, good to know there are a couple ways to do it.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Jim<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gstreamer-devel-bounces+restlessmindsstudio=gmail.com@lists.freedesktop.org [mailto:gstreamer-devel-bounces+restlessmindsstudio=gmail.com@lists.freedesktop.org] <b>On Behalf Of </b>Chuck Crisler<br><b>Sent:</b> Thursday, February 28, 2013 9:57 AM<br><b>To:</b> Discussion of the development of and with GStreamer<br><b>Subject:</b> Re: How to set audio format in code<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>2 ways, depending on what you want. I think that what you are asking is setting caps. Here is what you do.<br><br>GstCaps *pCaps = gst_caps_new_simple("audio/x-raw-int", "channels", g_int (?), 2, NULL);<br>gst_link_filtered(element*1, element*2, pCaps);<br>gst_caps_unref(pCaps);<br><br>You can also set parameters on elements using:<br><br>g_object_set(G_OBJECT(someelement), "option1", value, "option2", value, NULL);<br><br>Refer to the GstCaps and GstElement sections in the Core Reference Manual.<o:p></o:p></p><div><p class=MsoNormal>On Thu, Feb 28, 2013 at 11:46 AM, Jim <<a href="mailto:restlessmindsstudio@gmail.com" target="_blank">restlessmindsstudio@gmail.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>In the following gst-launch command line, right before the alsasink element, the audio format is being specified:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>gst-launch filesrc location=video.ts typefind=true ! flutsdemux name=demux demux. ! queue max-size-buffers=0 max-size-time=0 ! vpudec ! mfw_v4lsink demux. ! queue max-size-buffers=0 max-size-time=0 ! beepdec ! audioconvert ! 'audio/x-raw-int, channels=2' ! alsasink</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>How would I specify the audio format in my C code? Since this is separated with an exclamation point (!) in the command line, it seems like a separate element so I tried:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>gst_element_factory_make("audio/x-raw-int, channels=2", "myAudioFormat"); </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>but that didn’t work.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Jim</span><o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><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><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>