<div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 24, 2012 at 5:46 PM, Stefan Sauer <span dir="ltr"><<a href="mailto:ensonic@hora-obscura.de" target="_blank">ensonic@hora-obscura.de</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u> <div bgcolor="#ffffff" text="#000000"><div><div class="h5"> On 04/24/2012 11:18 AM, Sree Gowri wrote: <blockquote type="cite"> <div class="gmail_extra"><br> <br> <div class="gmail_quote">On Mon, Apr 16, 2012 at 12:53 AM, Stefan Sauer <span dir="ltr"><<a href="mailto:ensonic@hora-obscura.de" target="_blank">ensonic@hora-obscura.de</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div bgcolor="#ffffff" text="#000000"> <div> On 04/12/2012 06:23 AM, Sree Gowri wrote: <blockquote type="cite"><font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif">Hi,<br> <br> I am trying to extract audio metadata like streamurl,streamtitle,artist,genre,album.However I am not able to extract the metadata using GstTagList. Below is the snippet of the code. Does anyone suggest what are the additions to be done in order to extract the metadata?<br> <br> Only the following data has been extracted.<br> layer: 3<br> mode: joint<br> emphasis: none<br> audio codec: MPEG-1 layer 3<br> bitrate: 128000<br> <br> Pipeline is as follows:<br> <br> [code]<br> app->pipeline= gst_parse_launch("appsrc name=mysource ! audio/mpeg ! mad ! alsasink", NULL);<br> [/code]<br> </font></blockquote> </div> <font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif">"appsrc name=mysource ! audio/mpeg ! </font>mp3parse <font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif">! mad ! alsasink"<br> or even better<br> </font><font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif">"appsrc name=mysource ! audio/mpeg ! decodebin2</font><font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif"> ! alsasink"</font><br> <br> Stefan<br> <br> <blockquote type="cite"> <div> <div><font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif"><br> Audio data fed to the appsrc element<br> <br> [code]<br> buf =( GstBuffer *) gst_app_buffer_new (data, READBUF, g_free, data);<br> g_signal_emit_by_name (GST_APP_SRC (app->appsrc), "push-buffer", buf, &ret);<br> [/code]<br> <br> Bus message<br> <br> [code]<br> case GST_MESSAGE_TAG:<br> {<br> GstTagList *tags = NULL;<br> char *artist;<br> gst_message_parse_tag (message, &tags);<br> g_print ("Got tags from element %s:\n", GST_OBJECT_NAME (message->src));<br> if (gst_tag_list_get_string (tags, GST_TAG_ARTIST, &artist))<br> {<br> printf("got artist: %s\n",artist);<br> }<br> else<br> {<br> printf("no artist!! \n");<br> }<br> gst_tag_list_foreach (tags, print_tag, NULL);<br> g_print ("\n");<br> gst_tag_list_free (tags);<br> break;<br> [/code]<br> <br> print_tag function code<br> [code]<br> static void print_tag (const GstTagList * list, const gchar * tag, gpointer unused)<br> {<br> gint i, count;<br> count = gst_tag_list_get_tag_size (list, tag);<br> for (i = 0; i < count; i++) {<br> gchar *str;<br> if (gst_tag_get_type (tag) == G_TYPE_STRING) {<br> if (!gst_tag_list_get_string_index (list, tag, i, &str))<br> g_assert_not_reached ();<br> <br> } else {<br> str =<br> g_strdup_value_contents (gst_tag_list_get_value_index (list, tag, i));<br> }<br> if (i == 0) {<br> g_print (" %15s: %s\n", gst_tag_get_nick (tag), str);<br> } else {<br> g_print (" : %s\n", str);<br> }<br> g_free (str); <br> }<br> }<br> [/code]<br> <br> Thanks and Regards,<br> Sree Gowri<br> </font></div> </div> </blockquote> </div> </blockquote> <div> Hi stephan,<br> <br> First would like to thank you for the input you provided.<br> <br> I tried both the pipelines that you have mentioned,however meta data has not been extracted.<br> <br> Kindly request you to let me know if there are any other changes that needs to be done.<br> </div> </div> </div> </blockquote> <br></div></div> Are you sure the stream you are looking at is tagged with such metadata? Try gst-launch-0.10 -t playbin2 uri=...<span class="HOEnZb"><font color="#888888"><br> <br> Stefan</font></span></div></blockquote><div><br> Yes the stream contains the metadata like streamTitle, streamUrl. In order to check does the stream really has metadata, appsrc buffer is written to a file and checked using hexedit and I can find the metadata.Sure will try your suggestion tomorrow and update you. Thankyou. <br> </div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#ffffff" text="#000000"><div class="im"><br> <br> <blockquote type="cite"> <div class="gmail_extra"> <div class="gmail_quote"> <div> <br> Regards,<br> Sree Gowri<br> </div> <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div bgcolor="#ffffff" text="#000000"> <blockquote type="cite"> <div> <div><font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif"> </font> </div> </div> <pre><fieldset></fieldset> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </pre> </blockquote> <br> </div> <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> </div> <pre><fieldset></fieldset> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </pre> </blockquote> <br> </div></div> <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></div>