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gst/base/gstbasesink.c: Prepare for more accurate position reporting and query handling.

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Original commit message from CVS:
* gst/base/gstbasesink.c: (gst_base_sink_class_init),
(gst_base_sink_send_event), (gst_base_sink_peer_query),
(gst_base_sink_query):
Prepare for more accurate position reporting and query
handling.

* gst/gstelement.c: (gst_element_send_event),
(gst_element_set_state):
Add some comment.
This commit is contained in:
Wim Taymans 2005-09-22 18:07:22 +00:00
parent 1901cd0471
commit 43c8433a07
4 changed files with 172 additions and 0 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2005-09-22 Wim Taymans <wim@fluendo.com>
* gst/base/gstbasesink.c: (gst_base_sink_class_init),
(gst_base_sink_send_event), (gst_base_sink_peer_query),
(gst_base_sink_query):
Prepare for more accurate position reporting and query
handling.
* gst/gstelement.c: (gst_element_send_event),
(gst_element_set_state):
Add some comment.
2005-09-22 Wim Taymans <wim@fluendo.com>
* gst/gstquery.c: (gst_query_new_segment), (gst_query_set_segment),

79
gst/base/gstbasesink.c
View file

@ -105,6 +105,10 @@ static void gst_base_sink_set_property (GObject * object, guint prop_id,
static void gst_base_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_base_sink_send_event (GstElement * element,
GstEvent * event);
static gboolean gst_base_sink_query (GstElement * element, GstQuery * query);
static GstCaps *gst_base_sink_get_caps (GstBaseSink * sink);
static gboolean gst_base_sink_set_caps (GstBaseSink * sink, GstCaps * caps);
static GstFlowReturn gst_base_sink_buffer_alloc (GstBaseSink * sink,
@ -162,6 +166,8 @@ gst_base_sink_class_init (GstBaseSinkClass * klass)
gstelement_class->set_clock = GST_DEBUG_FUNCPTR (gst_base_sink_set_clock);
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_base_sink_change_state);
gstelement_class->send_event = GST_DEBUG_FUNCPTR (gst_base_sink_send_event);
gstelement_class->query = GST_DEBUG_FUNCPTR (gst_base_sink_query);
klass->get_caps = GST_DEBUG_FUNCPTR (gst_base_sink_get_caps);
klass->set_caps = GST_DEBUG_FUNCPTR (gst_base_sink_set_caps);
@ -1291,6 +1297,79 @@ gst_base_sink_activate_pull (GstPad * pad, gboolean active)
return result;
}
static gboolean
gst_base_sink_send_event (GstElement * element, GstEvent * event)
{
GstPad *pad;
GstBaseSink *basesink = GST_BASE_SINK (element);
gboolean result;
GST_LOCK (element);
pad = basesink->sinkpad;
gst_object_ref (pad);
GST_UNLOCK (element);
result = gst_pad_push_event (pad, event);
gst_object_unref (pad);
return result;
}
static gboolean
gst_base_sink_peer_query (GstBaseSink * sink, GstQuery * query)
{
GstPad *peer;
gboolean res = FALSE;
if ((peer = gst_pad_get_peer (sink->sinkpad))) {
res = gst_pad_query (peer, query);
gst_object_unref (peer);
}
return res;
}
static gboolean
gst_base_sink_query (GstElement * element, GstQuery * query)
{
gboolean res = FALSE;
GstBaseSink *basesink = GST_BASE_SINK (element);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
res = gst_base_sink_peer_query (basesink, query);
break;
case GST_QUERY_LATENCY:
break;
case GST_QUERY_JITTER:
break;
case GST_QUERY_RATE:
//gst_query_set_rate (query, basesink->segment_rate);
res = TRUE;
break;
case GST_QUERY_SEEKING:
res = gst_base_sink_peer_query (basesink, query);
break;
case GST_QUERY_SEGMENT:
{
gst_query_set_segment (query, basesink->segment_rate,
GST_FORMAT_TIME, basesink->segment_start, basesink->segment_stop,
basesink->segment_base);
break;
}
case GST_QUERY_CONVERT:
res = gst_base_sink_peer_query (basesink, query);
break;
case GST_QUERY_FORMATS:
res = gst_base_sink_peer_query (basesink, query);
break;
default:
break;
}
return res;
}
static GstStateChangeReturn
gst_base_sink_change_state (GstElement * element, GstStateChange transition)
{

2
gst/gstelement.c
View file

@ -1780,6 +1780,8 @@ gst_element_set_state (GstElement * element, GstState state)
/* this is the state we should go to */
GST_STATE_FINAL (element) = state;
if (ret == GST_STATE_CHANGE_ASYNC) {
/* force next state keeping ASYNC, this is atomic as we hold
* the STATE_LOCK */
gst_element_commit_state (element);
gst_element_lost_state (element);
}

79
libs/gst/base/gstbasesink.c
View file

@ -105,6 +105,10 @@ static void gst_base_sink_set_property (GObject * object, guint prop_id,
static void gst_base_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_base_sink_send_event (GstElement * element,
GstEvent * event);
static gboolean gst_base_sink_query (GstElement * element, GstQuery * query);
static GstCaps *gst_base_sink_get_caps (GstBaseSink * sink);
static gboolean gst_base_sink_set_caps (GstBaseSink * sink, GstCaps * caps);
static GstFlowReturn gst_base_sink_buffer_alloc (GstBaseSink * sink,
@ -162,6 +166,8 @@ gst_base_sink_class_init (GstBaseSinkClass * klass)
gstelement_class->set_clock = GST_DEBUG_FUNCPTR (gst_base_sink_set_clock);
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_base_sink_change_state);
gstelement_class->send_event = GST_DEBUG_FUNCPTR (gst_base_sink_send_event);
gstelement_class->query = GST_DEBUG_FUNCPTR (gst_base_sink_query);
klass->get_caps = GST_DEBUG_FUNCPTR (gst_base_sink_get_caps);
klass->set_caps = GST_DEBUG_FUNCPTR (gst_base_sink_set_caps);
@ -1291,6 +1297,79 @@ gst_base_sink_activate_pull (GstPad * pad, gboolean active)
return result;
}
static gboolean
gst_base_sink_send_event (GstElement * element, GstEvent * event)
{
GstPad *pad;
GstBaseSink *basesink = GST_BASE_SINK (element);
gboolean result;
GST_LOCK (element);
pad = basesink->sinkpad;
gst_object_ref (pad);
GST_UNLOCK (element);
result = gst_pad_push_event (pad, event);
gst_object_unref (pad);
return result;
}
static gboolean
gst_base_sink_peer_query (GstBaseSink * sink, GstQuery * query)
{
GstPad *peer;
gboolean res = FALSE;
if ((peer = gst_pad_get_peer (sink->sinkpad))) {
res = gst_pad_query (peer, query);
gst_object_unref (peer);
}
return res;
}
static gboolean
gst_base_sink_query (GstElement * element, GstQuery * query)
{
gboolean res = FALSE;
GstBaseSink *basesink = GST_BASE_SINK (element);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
res = gst_base_sink_peer_query (basesink, query);
break;
case GST_QUERY_LATENCY:
break;
case GST_QUERY_JITTER:
break;
case GST_QUERY_RATE:
//gst_query_set_rate (query, basesink->segment_rate);
res = TRUE;
break;
case GST_QUERY_SEEKING:
res = gst_base_sink_peer_query (basesink, query);
break;
case GST_QUERY_SEGMENT:
{
gst_query_set_segment (query, basesink->segment_rate,
GST_FORMAT_TIME, basesink->segment_start, basesink->segment_stop,
basesink->segment_base);
break;
}
case GST_QUERY_CONVERT:
res = gst_base_sink_peer_query (basesink, query);
break;
case GST_QUERY_FORMATS:
res = gst_base_sink_peer_query (basesink, query);
break;
default:
break;
}
return res;
}
static GstStateChangeReturn
gst_base_sink_change_state (GstElement * element, GstStateChange transition)
{