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tests/examples/seek/seek.c: Add statusbar.

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Original commit message from CVS:
* tests/examples/seek/seek.c: (play_cb), (pause_cb), (stop_cb),
(msg_buffering), (connect_bus_signals), (main):
Add statusbar.
Add buffering support with feedback in the statusbar.
This commit is contained in:
Wim Taymans 2008-04-03 16:10:53 +00:00
parent cbab1f4114
commit 6fcf33221f
2 changed files with 86 additions and 7 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2008-04-03 Wim Taymans <wim.taymans@collabora.co.uk>
* tests/examples/seek/seek.c: (play_cb), (pause_cb), (stop_cb),
(msg_buffering), (connect_bus_signals), (main):
Add statusbar.
Add buffering support with feedback in the statusbar.
2008-04-03 Tim-Philipp Müller <tim at centricular dot net>
* ext/ogg/gstoggmux.c:

86
tests/examples/seek/seek.c
View file

@ -75,11 +75,14 @@ static const gchar *pipeline_spec;
static gint64 position = -1;
static gint64 duration = -1;
static GtkAdjustment *adjustment;
static GtkWidget *hscale;
static GtkWidget *hscale, *statusbar;
static guint status_id = 0;
static gboolean stats = FALSE;
static gboolean elem_seek = FALSE;
static gboolean verbose = FALSE;
static gboolean is_live = FALSE;
static gboolean buffering = FALSE;
static GstState state = GST_STATE_NULL;
static guint update_id = 0;
static guint seek_timeout_id = 0;
@ -1323,18 +1326,27 @@ play_cb (GtkButton * button, gpointer data)
if (state != GST_STATE_PLAYING) {
g_print ("PLAY pipeline\n");
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
//do_seek(hscale);
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
switch (ret) {
case GST_STATE_CHANGE_FAILURE:
goto failed;
case GST_STATE_CHANGE_NO_PREROLL:
is_live = TRUE;
break;
default:
break;
}
state = GST_STATE_PLAYING;
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Playing");
}
return;
failed:
{
g_print ("PLAY failed\n");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Play failed");
}
}
@ -1344,18 +1356,28 @@ pause_cb (GtkButton * button, gpointer data)
if (state != GST_STATE_PAUSED) {
GstStateChangeReturn ret;
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
g_print ("PAUSE pipeline\n");
ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
switch (ret) {
case GST_STATE_CHANGE_FAILURE:
goto failed;
case GST_STATE_CHANGE_NO_PREROLL:
is_live = TRUE;
break;
default:
break;
}
state = GST_STATE_PAUSED;
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Paused");
}
return;
failed:
{
g_print ("PAUSE failed\n");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Pause failed");
}
}
@ -1366,12 +1388,17 @@ stop_cb (GtkButton * button, gpointer data)
GstStateChangeReturn ret;
g_print ("READY pipeline\n");
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
ret = gst_element_set_state (pipeline, GST_STATE_READY);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
state = GST_STATE_READY;
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Stopped");
is_live = FALSE;
buffering = FALSE;
set_update_scale (FALSE);
set_scale (0.0);
@ -1396,6 +1423,7 @@ stop_cb (GtkButton * button, gpointer data)
failed:
{
g_print ("STOP failed\n");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Stop failed");
}
}
@ -1869,6 +1897,44 @@ msg_segment_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
g_print ("segment seek failed\n");
}
static void
msg_buffering (GstBus * bus, GstMessage * message, GstPipeline * data)
{
gint percent;
gchar *bufstr;
gst_message_parse_buffering (message, &percent);
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
bufstr = g_strdup_printf ("Buffering...%d", percent);
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, bufstr);
g_free (bufstr);
/* no state management needed for live pipelines */
if (is_live)
return;
if (percent == 100) {
/* a 100% message means buffering is done */
buffering = FALSE;
/* if the desired state is playing, go back */
if (state == GST_STATE_PLAYING) {
fprintf (stderr, "Done buffering, setting pipeline to PLAYING ...\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Playing");
}
} else {
/* buffering busy */
if (buffering == FALSE && state == GST_STATE_PLAYING) {
/* we were not buffering but PLAYING, PAUSE the pipeline. */
fprintf (stderr, "Buffering, setting pipeline to PAUSED ...\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
buffering = TRUE;
}
}
static void
connect_bus_signals (GstElement * pipeline)
{
@ -1897,6 +1963,8 @@ connect_bus_signals (GstElement * pipeline)
pipeline);
g_signal_connect (bus, "message::segment-done", (GCallback) message_received,
pipeline);
g_signal_connect (bus, "message::buffering", (GCallback) msg_buffering,
pipeline);
gst_object_unref (bus);
}
@ -1971,6 +2039,9 @@ main (int argc, char **argv)
/* initialize gui elements ... */
tips = gtk_tooltips_new ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
statusbar = gtk_statusbar_new ();
status_id = gtk_statusbar_get_context_id (GTK_STATUSBAR (statusbar), "seek");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Stopped");
hbox = gtk_hbox_new (FALSE, 0);
vbox = gtk_vbox_new (FALSE, 0);
flagtable = gtk_table_new (4, 2, FALSE);
@ -2126,6 +2197,7 @@ main (int argc, char **argv)
gtk_box_pack_start (GTK_BOX (vbox), boxes2, TRUE, TRUE, 2);
}
gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (vbox), statusbar, TRUE, TRUE, 2);
/* connect things ... */
g_signal_connect (G_OBJECT (play_button), "clicked", G_CALLBACK (play_cb),