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block tick callback for 0.5 sec after a seek

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Original commit message from CVS:
block tick callback for 0.5 sec after a seek
This commit is contained in:
Thomas Vander Stichele 2004-02-02 10:49:32 +00:00
parent df9ceefe55
commit 9cbe2fb4b1
2 changed files with 23 additions and 9 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
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> 2004-02-02 Thomas Vander Stichele <thomas at apestaart dot org>
* gst-libs/gst/play/play.c: (gst_play_new): * gst-libs/gst/play/play.c: (gst_play_new):

26
gst-libs/gst/play/play.c
View file

@ -24,6 +24,8 @@
#include "play.h" #include "play.h"
#define TICK_INTERVAL_MSEC 200
enum enum
{ {
TIME_TICK, TIME_TICK,
@ -42,6 +44,9 @@ struct _GstPlayPrivate {
gint get_length_attempt; gint get_length_attempt;
gint tick_unblock_remaining; /* how many msecs left
to unblock due to seeking */
guint tick_id; guint tick_id;
guint length_id; guint length_id;
@ -338,6 +343,12 @@ gst_play_tick_callback (GstPlay *play)
GstElement *audio_sink_element = NULL; GstElement *audio_sink_element = NULL;
g_return_val_if_fail (play != NULL, FALSE); 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)) { if (!GST_IS_PLAY (play)) {
play->priv->tick_id = 0; 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 = 0;
} }
play->priv->tick_id = g_timeout_add (200, play->priv->tick_id = g_timeout_add (TICK_INTERVAL_MSEC,
(GSourceFunc) gst_play_tick_callback, (GSourceFunc) gst_play_tick_callback,
play); play);
@ -444,7 +455,7 @@ gst_play_state_change (GstElement *element, GstElementState old,
play->priv->length_id = 0; 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, (GSourceFunc) gst_play_get_length_callback,
play); play);
} }
@ -671,9 +682,10 @@ gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
GST_IS_ELEMENT (audio_sink_element)) { GST_IS_ELEMENT (audio_sink_element)) {
gboolean s = FALSE; gboolean s = FALSE;
/* We block the tick signal while seeking */ /* HACK: block tick signal from idler for 500 msec */
if (play->priv->tick_id) /* GStreamer can't currently report when seeking is finished,
g_signal_handler_block (G_OBJECT (play), play->priv->tick_id); 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 | s = gst_element_seek (video_seek_element, GST_FORMAT_TIME |
GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH,
@ -684,10 +696,6 @@ gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
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) { if (s) {
GstFormat format = GST_FORMAT_TIME; GstFormat format = GST_FORMAT_TIME;
gboolean q = FALSE; gboolean q = FALSE;