From dfe6b01c38210a00cc192834713f9e775c0835ed Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Mon, 18 Nov 2013 13:13:21 +0100
Subject: UDP_AND_GST1_AND_CLOCK

---
 src/audio.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 60 insertions(+), 5 deletions(-)

(limited to 'src/audio.c')

diff --git a/src/audio.c b/src/audio.c
index af92db5..a5c41d3 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -8,11 +8,32 @@
 
 void
 cmumble_audio_push(struct cmumble *cm, struct cmumble_user *user,
-		   const guint8 *data, gsize size)
+		   const guint8 *data, gsize size, gint64 sequence)
 {
 	GstBuffer *gstbuf;
+	GstClock *clock;
+	GstClockTime time = 0;
+	GstClockTime base_time, now;
+
+	clock = gst_pipeline_get_clock(GST_PIPELINE(user->pipeline));
+	now = gst_clock_get_time(clock);
+	g_object_unref(clock);
+	base_time = gst_element_get_base_time(user->pipeline);
+
+	if (user->sequence_start_time == GST_CLOCK_TIME_NONE && sequence > 0)
+		user->sequence_start_time = GST_CLOCK_DIFF(now, base_time) -
+			gst_util_uint64_scale_int(sequence, GST_SECOND, 100);
+
+	if (sequence == 0) {
+		user->sequence_start_time = GST_CLOCK_DIFF(now, base_time);
+		time = user->sequence_start_time;
+	} else if (sequence > 0) {
+		time = user->sequence_start_time + 
+			gst_util_uint64_scale_int(sequence, GST_SECOND, 100);
+	}
 
 	gstbuf = gst_app_buffer_new(g_memdup(data, size), size, g_free, NULL);
+	GST_BUFFER_TIMESTAMP(gstbuf) = time;
 	gst_app_src_push_buffer(user->src, gstbuf);
 }
 
@@ -135,13 +156,44 @@ out:
 	g_object_unref(G_OBJECT(elm));
 }
 
+static void
+need_data(GstAppSrc *src, guint length, gpointer user_data)
+{
+	//g_print("%s: %d\n", __func__, length);
+}
+static void
+enough_data(GstAppSrc *src, gpointer user_data)
+{
+	g_print("%s\n", __func__);
+}
+
+static gboolean 
+seek_data(GstAppSrc *src, guint64 offset, gpointer user_data)
+{
+	g_print("%s\n", __func__);
+	return FALSE;
+}
+
+static void
+destroy_notify(gpointer user_data)
+{
+	g_print("%s\n", __func__);
+}
+
+static GstAppSrcCallbacks cbs = {
+	need_data,
+	enough_data,
+	seek_data
+};
+
 int
 cmumble_audio_create_playback_pipeline(struct cmumble *cm,
 				       struct cmumble_user *user)
 {
 	GstElement *pipeline, *sink_bin;
 	GError *error = NULL;
-	char *desc = "appsrc name=src ! celtdec ! audioconvert ! autoaudiosink name=sink";
+	//identity sync=TRUE datarate=48000 ! 
+	char *desc = "appsrc name=src ! celtdec ! audiorate ! audioconvert ! autoaudiosink name=sink";
 
 	pipeline = gst_parse_launch(desc, &error);
 	if (error) {
@@ -151,13 +203,16 @@ cmumble_audio_create_playback_pipeline(struct cmumble *cm,
 
 	user->pipeline = pipeline;
 	user->src = GST_APP_SRC(gst_bin_get_by_name(GST_BIN(pipeline), "src"));
+	user->sequence_start_time = GST_CLOCK_TIME_NONE;
 
 	/* Important! */
 	gst_base_src_set_live(GST_BASE_SRC(user->src), TRUE); 
-	gst_base_src_set_do_timestamp(GST_BASE_SRC(user->src), TRUE);
+	//gst_base_src_set_do_timestamp(GST_BASE_SRC(user->src), TRUE);
 	gst_base_src_set_format(GST_BASE_SRC(user->src), GST_FORMAT_TIME);
+	//gst_base_src_set_format(GST_BASE_SRC(user->src), GST_FORMAT_BYTES);
 
 	gst_app_src_set_stream_type(user->src, GST_APP_STREAM_TYPE_STREAM); 
+	gst_app_src_set_callbacks(user->src, &cbs, cm, destroy_notify);
 
 	gst_element_set_state(pipeline, GST_STATE_PLAYING);
 
@@ -168,9 +223,9 @@ cmumble_audio_create_playback_pipeline(struct cmumble *cm,
 
 	/* Setup Celt Decoder */
 	cmumble_audio_push(cm, user,
-			   cm->audio.celt_header_packet, sizeof(CELTHeader));
+			   cm->audio.celt_header_packet, sizeof(CELTHeader), -1);
 	/* fake vorbiscomment buffer */
-	cmumble_audio_push(cm, user, NULL, 0);
+	cmumble_audio_push(cm, user, NULL, 0, -1);
 
 	return 0;
 }
-- 
cgit