<div class="gmail_extra"> <div class="gmail_quote">On Mon, Apr 16, 2012 at 12:53 AM, Stefan Sauer <<a href="mailto:ensonic@hora-obscura.de" target="_blank">ensonic@hora-obscura.de</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div bgcolor="#ffffff" text="#000000"><div> On 04/12/2012 06:23 AM, Sree Gowri wrote: <blockquote type="cite">Hi, 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? Only the following data has been extracted. layer: 3 mode: joint emphasis: none audio codec: MPEG-1 layer 3 bitrate: 128000 Pipeline is as follows: [code] app->pipeline= gst_parse_launch("appsrc name=mysource ! audio/mpeg ! mad ! alsasink", NULL); [/code] </blockquote> </div>"appsrc name=mysource ! audio/mpeg ! mp3parse ! mad ! alsasink" or even better "appsrc name=mysource ! audio/mpeg ! decodebin2 ! alsasink" Stefan <blockquote type="cite"><div><div> Audio data fed to the appsrc element [code] buf =( GstBuffer *) gst_app_buffer_new (data, READBUF, g_free, data); g_signal_emit_by_name (GST_APP_SRC (app->appsrc), "push-buffer", buf, &ret); [/code] Bus message [code] case GST_MESSAGE_TAG: { GstTagList *tags = NULL; char *artist; gst_message_parse_tag (message, &tags); g_print ("Got tags from element %s:\n", GST_OBJECT_NAME (message->src)); if (gst_tag_list_get_string (tags, GST_TAG_ARTIST, &artist)) { printf("got artist: %s\n",artist); } else { printf("no artist!! \n"); } gst_tag_list_foreach (tags, print_tag, NULL); g_print ("\n"); gst_tag_list_free (tags); break; [/code] print_tag function code [code] static void print_tag (const GstTagList * list, const gchar * tag, gpointer unused) { gint i, count; count = gst_tag_list_get_tag_size (list, tag); for (i = 0; i < count; i++) { gchar *str; if (gst_tag_get_type (tag) == G_TYPE_STRING) { if (!gst_tag_list_get_string_index (list, tag, i, &str)) g_assert_not_reached (); } else { str = g_strdup_value_contents (gst_tag_list_get_value_index (list, tag, i)); } if (i == 0) { g_print (" %15s: %s\n", gst_tag_get_nick (tag), str); } else { g_print (" : %s\n", str); } g_free (str); } } [/code] Thanks and Regards, Sree Gowri </div></div></blockquote></div></blockquote><div> Hi stephan, First would like to thank you for the input you provided. I tried both the pipelines that you have mentioned,however meta data has not been extracted. Kindly request you to let me know if there are any other changes that needs to be done. Regards, Sree Gowri </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> </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> </div> _______________________________________________ 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> </blockquote></div> </div>