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API: add gst_object_{s,g}et_control_rate(), add private data section, fix docs

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Original commit message from CVS:
* docs/libs/gstreamer-libs-sections.txt:
* libs/gst/controller/gstcontroller.c:
(_gst_controller_get_property), (_gst_controller_set_property),
(_gst_controller_init), (_gst_controller_class_init):
* libs/gst/controller/gstcontroller.h:
* libs/gst/controller/gsthelper.c: (gst_object_get_control_rate),
(gst_object_set_control_rate):
API: add gst_object_{s,g}et_control_rate(), add private data section,
fix docs
* libs/gst/dataprotocol/dataprotocol.c: (gst_dp_packetizer_new):
* libs/gst/dataprotocol/dataprotocol.h:
add deprecation guards to make gtk-doc happy and allow disabling cruft
This commit is contained in:
Stefan Kost 2006-08-10 19:46:14 +00:00
parent 4a33367208
commit 9460b3ab7b
7 changed files with 180 additions and 7 deletions
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16
ChangeLog
View file

@ -1,3 +1,19 @@
2006-08-10 Stefan Kost <ensonic@users.sf.net>
* docs/libs/gstreamer-libs-sections.txt:
* libs/gst/controller/gstcontroller.c:
(_gst_controller_get_property), (_gst_controller_set_property),
(_gst_controller_init), (_gst_controller_class_init):
* libs/gst/controller/gstcontroller.h:
* libs/gst/controller/gsthelper.c: (gst_object_get_control_rate),
(gst_object_set_control_rate):
API: add gst_object_{s,g}et_control_rate(), add private data section,
fix docs
* libs/gst/dataprotocol/dataprotocol.c: (gst_dp_packetizer_new):
* libs/gst/dataprotocol/dataprotocol.h:
add deprecation guards to make gtk-doc happy and allow disabling cruft
2006-08-09 Tim-Philipp Müller <tim at centricular dot net>
* tests/check/Makefile.am:

3
docs/libs/gstreamer-libs-sections.txt
View file

@ -80,6 +80,7 @@ gst_controller_set_interpolation_mode
GST_PARAM_CONTROLLABLE
<SUBSECTION Standard>
GstControllerClass
GstControllerPrivate
GST_CONTROLLER
GST_IS_CONTROLLER
GST_CONTROLLER_CLASS
@ -104,6 +105,8 @@ gst_object_set_controller
gst_object_sync_values
gst_object_get_value_arrays
gst_object_get_value_array
gst_object_get_control_rate
gst_object_set_control_rate
<SUBSECTION Standard>
<SUBSECTION Private>
</SECTION>

82
libs/gst/controller/gstcontroller.c
View file

@ -78,6 +78,16 @@ GST_DEBUG_CATEGORY_EXTERN (GST_CAT_DEFAULT);
static GObjectClass *parent_class = NULL;
GQuark __gst_controller_key;
/* property ids */
enum
{
PROP_CONTROL_RATE = 1
};
struct _GstControllerPrivate
{
guint control_rate;
};
/* imports from gst-interpolation.c */
@ -1103,6 +1113,62 @@ gst_controller_set_live_value(GstController * self, gchar *property_name,
/* gobject handling */
static void
_gst_controller_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GstController *self = GST_CONTROLLER (object);
switch (property_id) {
case PROP_CONTROL_RATE:{
/* FIXME: don't change if element is playing, controller works for GObject
so this wont work
GstState c_state, p_state;
GstStateChangeReturn ret;
ret = gst_element_get_state (self->object, &c_state, &p_state, 0);
if ((ret == GST_STATE_CHANGE_SUCCESS &&
(c_state == GST_STATE_NULL || c_state == GST_STATE_READY)) ||
(ret == GST_STATE_CHANGE_ASYNC &&
(p_state == GST_STATE_NULL || p_state == GST_STATE_READY))) {
*/
g_value_set_uint (value, self->priv->control_rate);
/*
}
else {
GST_WARNING ("Changing the control rate is only allowed if the elemnt"
" is in NULL or READY");
}
*/
}
break;
default:{
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
break;
}
}
/* sets the given properties for this object */
static void
_gst_controller_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GstController *self = GST_CONTROLLER (object);
switch (property_id) {
case PROP_CONTROL_RATE:{
self->priv->control_rate = g_value_get_uint (value);
}
break;
default:{
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
break;
}
}
static void
_gst_controller_finalize (GObject * object)
{
@ -1134,7 +1200,9 @@ _gst_controller_init (GTypeInstance * instance, gpointer g_class)
GstController *self = GST_CONTROLLER (instance);
self->lock = g_mutex_new ();
self->priv =
G_TYPE_INSTANCE_GET_PRIVATE (self, GST_TYPE_CONTROLLER,
GstControllerPrivate);
}
static void
@ -1143,17 +1211,23 @@ _gst_controller_class_init (GstControllerClass * klass)
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
g_type_class_add_private (klass, sizeof (GstControllerPrivate));
gobject_class->set_property = _gst_controller_set_property;
gobject_class->get_property = _gst_controller_get_property;
gobject_class->finalize = _gst_controller_finalize;
__gst_controller_key = g_quark_from_string ("gst::controller");
/* register properties */
g_object_class_install_property (gobject_class, PROP_CONTROL_RATE,
g_param_spec_uint ("control-rate",
"control rate",
"Controlled properties will be updated this many times per second",
1, G_MAXUINT, 10, G_PARAM_READWRITE));
/* register signals */
/* set defaults for overridable methods */
/* TODO which of theses do we need ?
BilboEd : none :)
*/
}
GType

8
libs/gst/controller/gstcontroller.h
View file

@ -111,6 +111,8 @@ typedef enum
typedef struct _GstController GstController;
typedef struct _GstControllerClass GstControllerClass;
typedef struct _GstControllerPrivate GstControllerPrivate;
/**
* GstController:
@ -127,7 +129,8 @@ struct _GstController
GObject *object; /* the object we control */
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
GstControllerPrivate *priv;
gpointer _gst_reserved[GST_PADDING - sizeof (GstControllerPrivate *)];
};
struct _GstControllerClass
@ -194,6 +197,9 @@ gboolean gst_object_get_value_arrays (GObject * object,
gboolean gst_object_get_value_array (GObject * object,
GstClockTime timestamp, GstValueArray * value_array);
guint gst_object_get_control_rate (GObject * object);
void gst_object_set_control_rate (GObject * object, guint control_rate);
/* lib init/done */
gboolean gst_controller_init (int * argc, char ***argv);

61
libs/gst/controller/gsthelper.c
View file

@ -107,6 +107,8 @@ gst_object_uncontrol_properties (GObject * object, ...)
* gst_object_get_controller:
* @object: the object that has controlled properties
*
* Gets the controller for the given GObject
*
* Returns: the controller handling some of the given element's properties, %NULL if no controller
* Since: 0.9
*/
@ -230,3 +232,62 @@ gst_object_get_value_array (GObject * object, GstClockTime timestamp,
}
return (FALSE);
}
/**
* gst_object_get_control_rate:
* @object: the object that has controlled properties
*
* Obtain the control-rate for this @object. Audio processing #GstElement
* objects will use this rate to sub-divide their processing loop and call
* gst_object_sync_values() inbetween. The length of the processing segment
* should be sampling-rate/control-rate.
*
* If the @object is not under property control, this will return 0. This allows
* the element to avoid the sub-dividing.
*
* The control-rate is not expected to change if the elemnt is in
* %GST_STATE_PAUSED or %GST_STATE_PLAYING.
*
* Returns: the control rate
* Since: 0.10.10
*/
guint
gst_object_get_control_rate (GObject * object)
{
GstController *ctrl;
guint control_rate = 0;
g_return_val_if_fail (G_IS_OBJECT (object), FALSE);
if ((ctrl = g_object_get_qdata (object, __gst_controller_key))) {
g_object_get (ctrl, "control-rate", &control_rate, NULL);
}
return (control_rate);
}
/**
* gst_object_set_control_rate:
* @object: the object that has controlled properties
* @control_rate: the new control-rate (1 .. sampling_rate)
*
* Change the control-rate for this @object. Audio processing #GstElement
* objects will use this rate to sub-divide their processing loop and call
* gst_object_sync_values() inbetween. The length of the processing segment
* should be sampling-rate/control-rate.
*
* The control-rate should not change if the elemnt is in %GST_STATE_PAUSED or
* %GST_STATE_PLAYING.
*
* Since: 0.10.10
*/
void
gst_object_set_control_rate (GObject * object, guint control_rate)
{
GstController *ctrl;
g_return_if_fail (G_IS_OBJECT (object));
if ((ctrl = g_object_get_qdata (object, __gst_controller_key))) {
g_object_set (ctrl, "control-rate", control_rate, NULL);
}
}

8
libs/gst/dataprotocol/dataprotocol.c
View file

@ -380,6 +380,7 @@ gst_dp_header_payload_type (const guint8 * header)
*
* Returns: %TRUE if the header was successfully created.
*/
#ifndef GST_DISABLE_DEPRECATED
gboolean
gst_dp_header_from_buffer (const GstBuffer * buffer, GstDPHeaderFlag flags,
guint * length, guint8 ** header)
@ -387,6 +388,7 @@ gst_dp_header_from_buffer (const GstBuffer * buffer, GstDPHeaderFlag flags,
return gst_dp_header_from_buffer_any (buffer, flags, length, header,
GST_DP_VERSION_0_2);
}
#endif
static gboolean
gst_dp_header_from_buffer_1_0 (const GstBuffer * buffer, GstDPHeaderFlag flags,
@ -410,6 +412,7 @@ gst_dp_header_from_buffer_1_0 (const GstBuffer * buffer, GstDPHeaderFlag flags,
*
* Returns: %TRUE if the packet was successfully created.
*/
#ifndef GST_DISABLE_DEPRECATED
gboolean
gst_dp_packet_from_caps (const GstCaps * caps, GstDPHeaderFlag flags,
guint * length, guint8 ** header, guint8 ** payload)
@ -417,6 +420,7 @@ gst_dp_packet_from_caps (const GstCaps * caps, GstDPHeaderFlag flags,
return gst_dp_packet_from_caps_any (caps, flags, length, header, payload,
GST_DP_VERSION_0_2);
}
#endif
static gboolean
gst_dp_packet_from_caps_1_0 (const GstCaps * caps, GstDPHeaderFlag flags,
@ -440,6 +444,7 @@ gst_dp_packet_from_caps_1_0 (const GstCaps * caps, GstDPHeaderFlag flags,
*
* Returns: %TRUE if the packet was successfully created.
*/
#ifndef GST_DISABLE_DEPRECATED
gboolean
gst_dp_packet_from_event (const GstEvent * event, GstDPHeaderFlag flags,
guint * length, guint8 ** header, guint8 ** payload)
@ -517,6 +522,7 @@ gst_dp_packet_from_event (const GstEvent * event, GstDPHeaderFlag flags,
*header = h;
return TRUE;
}
#endif
static gboolean
gst_dp_packet_from_event_1_0 (const GstEvent * event, GstDPHeaderFlag flags,
@ -869,11 +875,13 @@ gst_dp_packetizer_new (GstDPVersion version)
ret->version = version;
switch (version) {
#ifndef GST_DISABLE_DEPRECATED
case GST_DP_VERSION_0_2:
ret->header_from_buffer = gst_dp_header_from_buffer;
ret->packet_from_caps = gst_dp_packet_from_caps;
ret->packet_from_event = gst_dp_packet_from_event;
break;
#endif
case GST_DP_VERSION_1_0:
ret->header_from_buffer = gst_dp_header_from_buffer_1_0;
ret->packet_from_caps = gst_dp_packet_from_caps_1_0;

7
libs/gst/dataprotocol/dataprotocol.h
View file

@ -140,21 +140,26 @@ GstDPPayloadType
gst_dp_header_payload_type (const guint8 * header);
/* converting from GstBuffer/GstEvent/GstCaps */
#ifndef GST_DISABLE_DEPRECATED
gboolean gst_dp_header_from_buffer (const GstBuffer * buffer,
GstDPHeaderFlag flags,
guint * length,
guint8 ** header);
#endif
#ifndef GST_DISABLE_DEPRECATED
gboolean gst_dp_packet_from_caps (const GstCaps * caps,
GstDPHeaderFlag flags,
guint * length,
guint8 ** header,
guint8 ** payload);
#endif
#ifndef GST_DISABLE_DEPRECATED
gboolean gst_dp_packet_from_event (const GstEvent * event,
GstDPHeaderFlag flags,
guint * length,
guint8 ** header,
guint8 ** payload);
#endif
/* converting to GstBuffer/GstEvent/GstCaps */
GstBuffer * gst_dp_buffer_from_header (guint header_length,
const guint8 * header);