From 729b1f3d5694f7a2cb306ff077dd639ee926490e Mon Sep 17 00:00:00 2001
From: Kaj-Michael Lang <milang@onion.tal.org>
Date: Fri, 29 Feb 2008 16:13:11 +0200
Subject: [PATCH] Add simple position text. Add more checks.

---
 src/audio-note.c | 71 ++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 56 insertions(+), 15 deletions(-)

diff --git a/src/audio-note.c b/src/audio-note.c
index 4637052..c2f645f 100644
--- a/src/audio-note.c
+++ b/src/audio-note.c
@@ -36,6 +36,25 @@ static note_pipeline note_record;
 static GstBus *bus;
 static gchar *cfile=NULL;
 
+static gboolean
+audio_note_position_cb(gpointer data)
+{
+GstFormat fmt=GST_FORMAT_TIME;
+GstElement *pipe;
+gint64 pos, len;
+gchar buffer[128];
+audio_note_ui *ui=(audio_note_ui *)data;
+
+pipe=ui->note_record->pipeline;
+
+if (gst_element_query_position (pipe, &fmt, &pos) && gst_element_query_duration (pipe, &fmt, &len)) {
+	g_snprintf(buffer, sizeof(buffer), "Time: %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT, GST_TIME_ARGS (pos), GST_TIME_ARGS (len));
+	gtk_label_set_text(ui->lbl_time, buffer);
+}
+
+return TRUE;
+}
+
 static gboolean
 audio_note_record_cb(GtkWidget *widget, gpointer data)
 {
@@ -71,6 +90,7 @@ if (cfile)
 cfile=g_strdup_printf("%s/an-%s.wav", basedir, buffer);
 
 audio_note_record(cfile);
+ui->pos_sid=g_timeout_add (250, (GSourceFunc)audio_note_position_cb, ui);
 
 MACRO_BANNER_SHOW_INFO(_window, _("Recording..."));
 
@@ -100,6 +120,7 @@ audio_note_new(void)
 {
 audio_note_ui *ui;
 ui=g_slice_new(audio_note_ui);
+ui->pos_sid=0;
 ui->vbox=gtk_vbox_new(FALSE, 0);
 ui->lbl_time=gtk_label_new("");
 ui->btn_record=gtk_button_new_from_stock(GTK_STOCK_MEDIA_RECORD);
@@ -153,15 +174,19 @@ return TRUE;
 static gboolean
 audio_create_pipeline(note_pipeline *np, gboolean rec)
 {
-np->pipeline=gst_pipeline_new("pipeline");
-bus=gst_pipeline_get_bus(GST_PIPELINE(np->pipeline));
-gst_bus_add_watch(bus, audio_note_bus_cb, np);
-
 if (rec==TRUE) {
 	g_debug("GST: Creating record pipeline");
-	np->src=gst_element_factory_make(AUDIO_SRC, "source");
-	np->filter=gst_element_factory_make("wavenc", "filter");
-	np->sink=gst_element_factory_make("filesink", "sink");
+	np->pipeline=gst_pipeline_new("rpipeline");
+	g_assert(np->pipeline);
+
+	np->src=gst_element_factory_make(AUDIO_SRC, "asource");
+	g_assert(np->src);
+
+	np->filter=gst_element_factory_make("wavenc", "wavfilter");
+	g_assert(np->filter);
+
+	np->sink=gst_element_factory_make("filesink", "fsink");
+	g_assert(np->sink);
 
 	gst_bin_add_many(GST_BIN(np->pipeline), np->src, np->filter, np->sink, NULL);
 
@@ -180,19 +205,35 @@ if (rec==TRUE) {
 		gst_element_link(np->src, np->filter);
 	gst_caps_unref(np->srccaps);
 #else
-	gst_element_link(np->src, np->filter);	
+	if (!gst_element_link(np->src, np->filter))
+		g_printerr("Failed to link source to filter\n");
 #endif
-	gst_element_link(np->filter, np->sink);
-
+	if (!gst_element_link(np->filter, np->sink))
+		g_printerr("Failed to link filter to source\n");
 } else {
 	g_debug("GST: Creating playback pipeline");
-	np->src=gst_element_factory_make("filesrc", "source");
-	np->filter=gst_element_factory_make("wavparse", "filter");
-	np->sink=gst_element_factory_make(AUDIO_SINK, "sink");
+	np->pipeline=gst_pipeline_new("ppipeline");
+	g_assert(np->pipeline);
+
+	np->src=gst_element_factory_make("filesrc", "fsource");
+	g_assert(np->src);
+
+	np->filter=gst_element_factory_make("wavparse", "wavparse");
+	g_assert(np->filter);
+
+	np->sink=gst_element_factory_make(AUDIO_SINK, "asink");
+	g_assert(np->sink);
+
 	gst_bin_add_many(GST_BIN(np->pipeline), np->src, np->filter, np->sink, NULL);
-	if (!gst_element_link_many(np->src, np->filter, np->sink, NULL))
-		g_printerr("Failed to link play pipeline\n");
+
+	if (!gst_element_link(np->src, np->filter))
+		g_printerr("Failed to link source to filter\n");
+	if (!gst_element_link(np->filter, np->sink))
+		g_printerr("Failed to link filter to source\n");
 }
+bus=gst_pipeline_get_bus(GST_PIPELINE(np->pipeline));
+gst_bus_add_watch(bus, audio_note_bus_cb, np);
+gst_object_unref(bus);
 np->rec=rec;
 np->active=FALSE;
 return TRUE;
-- 
2.39.5