block tick callback for 0.5 sec after a seek

Original commit message from CVS:
block tick callback for 0.5 sec after a seek
parent 1474d866
2004-02-02 Thomas Vander Stichele <thomas at apestaart dot org>
* gst-libs/gst/play/play.c: (gst_play_tick_callback),
(gst_play_state_change), (gst_play_seek_to_time):
block the tick callback for 0.5 secs after doing a seek
2004-02-02 Thomas Vander Stichele <thomas at apestaart dot org>
* gst-libs/gst/play/play.c: (gst_play_new):
......
......@@ -24,6 +24,8 @@
#include "play.h"
#define TICK_INTERVAL_MSEC 200
enum
{
TIME_TICK,
......@@ -42,6 +44,9 @@ struct _GstPlayPrivate {
gint get_length_attempt;
gint tick_unblock_remaining; /* how many msecs left
to unblock due to seeking */
guint tick_id;
guint length_id;
......@@ -338,6 +343,12 @@ gst_play_tick_callback (GstPlay *play)
GstElement *audio_sink_element = NULL;
g_return_val_if_fail (play != NULL, FALSE);
/* just return without updating the UI when we are in the middle of seeking */
if (play->priv->tick_unblock_remaining > 0)
{
play->priv->tick_unblock_remaining -= TICK_INTERVAL_MSEC;
return TRUE;
}
if (!GST_IS_PLAY (play)) {
play->priv->tick_id = 0;
......@@ -433,7 +444,7 @@ gst_play_state_change (GstElement *element, GstElementState old,
play->priv->tick_id = 0;
}
play->priv->tick_id = g_timeout_add (200,
play->priv->tick_id = g_timeout_add (TICK_INTERVAL_MSEC,
(GSourceFunc) gst_play_tick_callback,
play);
......@@ -444,7 +455,7 @@ gst_play_state_change (GstElement *element, GstElementState old,
play->priv->length_id = 0;
}
play->priv->length_id = g_timeout_add (200,
play->priv->length_id = g_timeout_add (TICK_INTERVAL_MSEC,
(GSourceFunc) gst_play_get_length_callback,
play);
}
......@@ -671,9 +682,10 @@ gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
GST_IS_ELEMENT (audio_sink_element)) {
gboolean s = FALSE;
/* We block the tick signal while seeking */
if (play->priv->tick_id)
g_signal_handler_block (G_OBJECT (play), play->priv->tick_id);
/* HACK: block tick signal from idler for 500 msec */
/* GStreamer can't currently report when seeking is finished,
so we just chose a .5 sec default block time */
play->priv->tick_unblock_remaining = 500;
s = gst_element_seek (video_seek_element, GST_FORMAT_TIME |
GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH,
......@@ -684,10 +696,6 @@ gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
time_nanos);
}
/* We unblock the tick signal after seeking */
if (play->priv->tick_id)
g_signal_handler_unblock (G_OBJECT (play), play->priv->tick_id);
if (s) {
GstFormat format = GST_FORMAT_TIME;
gboolean q = FALSE;
......
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