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Lower latency state changes by unlocking the clock

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Original commit message from CVS:
Lower latency state changes by unlocking the clock
This commit is contained in:
Wim Taymans 2002-12-29 21:18:16 +00:00
parent 206cd78b4c
commit 4d831cc9b2
2 changed files with 28 additions and 8 deletions
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35
gst/mpegstream/gstmpegparse.c
View file

@ -102,6 +102,8 @@ static void gst_mpeg_parse_set_property (GObject *object, guint prop_id,
static void gst_mpeg_parse_set_index (GstElement *element, GstIndex *index);
static GstIndex* gst_mpeg_parse_get_index (GstElement *element);
static gboolean gst_mpeg_parse_release_locks (GstElement *element);
static GstElementClass *parent_class = NULL;
/*static guint gst_mpeg_parse_signals[LAST_SIGNAL] = { 0 };*/
@ -153,11 +155,12 @@ gst_mpeg_parse_class_init (GstMPEGParseClass *klass)
gobject_class->get_property = gst_mpeg_parse_get_property;
gobject_class->set_property = gst_mpeg_parse_set_property;
gstelement_class->change_state = gst_mpeg_parse_change_state;
gstelement_class->get_clock = gst_mpeg_parse_get_clock;
gstelement_class->set_clock = gst_mpeg_parse_set_clock;
gstelement_class->get_index = gst_mpeg_parse_get_index;
gstelement_class->set_index = gst_mpeg_parse_set_index;
gstelement_class->change_state = gst_mpeg_parse_change_state;
gstelement_class->get_clock = gst_mpeg_parse_get_clock;
gstelement_class->set_clock = gst_mpeg_parse_set_clock;
gstelement_class->get_index = gst_mpeg_parse_get_index;
gstelement_class->set_index = gst_mpeg_parse_set_index;
gstelement_class->release_locks = gst_mpeg_parse_release_locks;
klass->parse_packhead = gst_mpeg_parse_parse_packhead;
klass->parse_syshead = NULL;
@ -190,6 +193,7 @@ gst_mpeg_parse_init (GstMPEGParse *mpeg_parse)
mpeg_parse->packetize = NULL;
mpeg_parse->sync = FALSE;
mpeg_parse->id = NULL;
mpeg_parse->max_discont = DEFAULT_MAX_DISCONT;
mpeg_parse->provided_clock = gst_mpeg_clock_new ("MPEGParseClock",
gst_mpeg_parse_get_time, mpeg_parse);
@ -468,11 +472,12 @@ gst_mpeg_parse_loop (GstElement *element)
CLASS (mpeg_parse)->send_data (mpeg_parse, data, time);
if (mpeg_parse->clock && mpeg_parse->sync && !mpeg_parse->discont_pending) {
GstClockID id = gst_clock_new_single_shot_id (mpeg_parse->clock, time);
mpeg_parse->id = gst_clock_new_single_shot_id (mpeg_parse->clock, time);
GST_DEBUG (GST_CAT_CLOCK, "syncing mpegparse");
gst_element_clock_wait (GST_ELEMENT (mpeg_parse), id, NULL);
gst_clock_id_free (id);
gst_element_clock_wait (GST_ELEMENT (mpeg_parse), mpeg_parse->id, NULL);
gst_clock_id_free (mpeg_parse->id);
mpeg_parse->id = NULL;
}
if (mpeg_parse->current_scr != -1)
@ -832,6 +837,20 @@ gst_mpeg_parse_get_index (GstElement *element)
return mpeg_parse->index;
}
static gboolean
gst_mpeg_parse_release_locks (GstElement *element)
{
GstMPEGParse *mpeg_parse;
mpeg_parse = GST_MPEG_PARSE (element);
if (mpeg_parse->id) {
gst_clock_id_unlock (mpeg_parse->id);
}
return TRUE;
}
gboolean
gst_mpeg_parse_plugin_init (GModule *module, GstPlugin *plugin)
{

1
gst/mpegstream/gstmpegparse.h
View file

@ -71,6 +71,7 @@ struct _GstMPEGParse {
GstClock *provided_clock;
GstClock *clock;
gboolean sync;
GstClockID id;
GstIndex *index;
gint index_id;