mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-31 12:38:48 +00:00
Code Issues 1 Projects Releases Wiki Activity

controller: allow different controlbindings

Browse source 
Make controlbinding an abstract baseclass. Move implementation to control-
binding-direct and add a control-binding-argb. Add an example.
This commit is contained in:
Stefan Sauer 2012-01-21 20:03:52 +01:00
parent 2c8c44976f
commit b23977cb93
18 changed files with 1083 additions and 310 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
docs/gst/gstreamer-sections.txt
View file

@ -596,11 +596,9 @@ GST_USING_PRINTF_EXTENSION
GstControlBinding
GstControlBindingClass
GstControlBindingConvert
gst_control_binding_new
gst_control_binding_sync_values
gst_control_binding_get_value
gst_control_binding_get_value_array
gst_control_binding_get_control_source
gst_control_binding_set_disabled
gst_control_binding_is_disabled
<SUBSECTION Standard>

263
gst/gstcontrolbinding.c
View file

@ -38,23 +38,16 @@
#define GST_CAT_DEFAULT control_binding_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static void gst_control_binding_dispose (GObject * object);
static void gst_control_binding_finalize (GObject * object);
#define _do_init \
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "gstcontrolbinding", 0, \
"dynamic parameter control source attachment");
G_DEFINE_TYPE_WITH_CODE (GstControlBinding, gst_control_binding,
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstControlBinding, gst_control_binding,
GST_TYPE_OBJECT, _do_init);
static void
gst_control_binding_class_init (GstControlBindingClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->dispose = gst_control_binding_dispose;
gobject_class->finalize = gst_control_binding_finalize;
}
static void
@ -62,162 +55,6 @@ gst_control_binding_init (GstControlBinding * self)
{
}
static void
gst_control_binding_dispose (GObject * object)
{
GstControlBinding *self = GST_CONTROL_BINDING (object);
if (self->csource) {
g_object_unref (self->csource);
self->csource = NULL;
}
}
static void
gst_control_binding_finalize (GObject * object)
{
GstControlBinding *self = GST_CONTROL_BINDING (object);
g_value_unset (&self->cur_value);
}
/* mapping functions */
#define DEFINE_CONVERT(type,Type,TYPE) \
static void \
convert_to_##type (GstControlBinding *self, gdouble s, GValue *d) \
{ \
GParamSpec##Type *pspec = G_PARAM_SPEC_##TYPE (self->pspec); \
g##type v; \
\
s = CLAMP (s, 0.0, 1.0); \
v = pspec->minimum + (g##type) ((pspec->maximum - pspec->minimum) * s); \
g_value_set_##type (d, v); \
}
DEFINE_CONVERT (int, Int, INT);
DEFINE_CONVERT (uint, UInt, UINT);
DEFINE_CONVERT (long, Long, LONG);
DEFINE_CONVERT (ulong, ULong, ULONG);
DEFINE_CONVERT (int64, Int64, INT64);
DEFINE_CONVERT (uint64, UInt64, UINT64);
DEFINE_CONVERT (float, Float, FLOAT);
DEFINE_CONVERT (double, Double, DOUBLE);
static void
convert_to_boolean (GstControlBinding * self, gdouble s, GValue * d)
{
s = CLAMP (s, 0.0, 1.0);
g_value_set_boolean (d, (gboolean) (s + 0.5));
}
static void
convert_to_enum (GstControlBinding * self, gdouble s, GValue * d)
{
GParamSpecEnum *pspec = G_PARAM_SPEC_ENUM (self->pspec);
GEnumClass *e = pspec->enum_class;
gint v;
s = CLAMP (s, 0.0, 1.0);
v = s * (e->n_values - 1);
g_value_set_enum (d, e->values[v].value);
}
/**
* gst_control_binding_new:
* @object: the object of the property
* @property_name: the property-name to attach the control source
* @csource: the control source
*
* Create a new control-binding that attaches the #GstControlSource to the
* #GObject property.
*
* Returns: the new #GstControlBinding
*/
GstControlBinding *
gst_control_binding_new (GstObject * object, const gchar * property_name,
GstControlSource * csource)
{
GstControlBinding *self = NULL;
GParamSpec *pspec;
GST_INFO_OBJECT (object, "trying to put property '%s' under control",
property_name);
/* check if the object has a property of that name */
if ((pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
property_name))) {
GST_DEBUG_OBJECT (object, " psec->flags : 0x%08x", pspec->flags);
/* check if this param is witable && controlable && !construct-only */
g_return_val_if_fail ((pspec->flags & (G_PARAM_WRITABLE |
GST_PARAM_CONTROLLABLE | G_PARAM_CONSTRUCT_ONLY)) ==
(G_PARAM_WRITABLE | GST_PARAM_CONTROLLABLE), NULL);
if ((self = (GstControlBinding *) g_object_newv (GST_TYPE_CONTROL_BINDING,
0, NULL))) {
GType type = G_PARAM_SPEC_VALUE_TYPE (pspec), base;
// add pspec as a construction parameter and move below to construct()
self->pspec = pspec;
self->name = pspec->name;
self->csource = g_object_ref (csource);
self->disabled = FALSE;
g_value_init (&self->cur_value, type);
base = type = G_PARAM_SPEC_VALUE_TYPE (pspec);
while ((type = g_type_parent (type)))
base = type;
GST_DEBUG_OBJECT (object, " using type %s", g_type_name (base));
// select mapping function
// FIXME: only select mapping if super class hasn't set any?
switch (base) {
case G_TYPE_INT:
self->convert = convert_to_int;
break;
case G_TYPE_UINT:
self->convert = convert_to_uint;
break;
case G_TYPE_LONG:
self->convert = convert_to_long;
break;
case G_TYPE_ULONG:
self->convert = convert_to_ulong;
break;
case G_TYPE_INT64:
self->convert = convert_to_int64;
break;
case G_TYPE_UINT64:
self->convert = convert_to_uint64;
break;
case G_TYPE_FLOAT:
self->convert = convert_to_float;
break;
case G_TYPE_DOUBLE:
self->convert = convert_to_double;
break;
case G_TYPE_BOOLEAN:
self->convert = convert_to_boolean;
break;
case G_TYPE_ENUM:
self->convert = convert_to_enum;
break;
default:
// FIXME: return NULL?
GST_WARNING ("incomplete implementation for paramspec type '%s'",
G_PARAM_SPEC_TYPE_NAME (pspec));
break;
}
}
} else {
GST_WARNING_OBJECT (object, "class '%s' has no property '%s'",
G_OBJECT_TYPE_NAME (object), property_name);
}
return self;
}
/* functions */
/**
@ -240,41 +77,22 @@ gboolean
gst_control_binding_sync_values (GstControlBinding * self, GstObject * object,
GstClockTime timestamp, GstClockTime last_sync)
{
GValue *dst_val;
gdouble src_val;
gboolean ret;
GstControlBindingClass *klass;
gboolean ret = FALSE;
g_return_val_if_fail (GST_IS_CONTROL_BINDING (self), FALSE);
if (self->disabled)
return TRUE;
GST_LOG_OBJECT (object, "property '%s' at ts=%" GST_TIME_FORMAT,
self->name, GST_TIME_ARGS (timestamp));
klass = GST_CONTROL_BINDING_GET_CLASS (self);
dst_val = &self->cur_value;
ret = gst_control_source_get_value (self->csource, timestamp, &src_val);
if (G_LIKELY (ret)) {
GST_LOG_OBJECT (object, " new value %lf", src_val);
/* always set the value for first time, but then only if it changed
* this should limit g_object_notify invocations.
* FIXME: can we detect negative playback rates?
*/
if ((timestamp < last_sync) || (src_val != self->last_value)) {
GST_LOG_OBJECT (object, " mapping %s to value of type %s", self->name,
G_VALUE_TYPE_NAME (dst_val));
/* run mapping function to convert gdouble to GValue */
self->convert (self, src_val, dst_val);
/* we can make this faster
* http://bugzilla.gnome.org/show_bug.cgi?id=536939
*/
g_object_set_property ((GObject *) object, self->name, dst_val);
self->last_value = src_val;
}
if (G_LIKELY (klass->sync_values != NULL)) {
ret = klass->sync_values (self, object, timestamp, last_sync);
} else {
GST_DEBUG_OBJECT (object, "no control value for param %s", self->name);
GST_WARNING_OBJECT (self, "missing sync_values implementation");
}
return (ret);
return ret;
}
/**
@ -290,23 +108,20 @@ gst_control_binding_sync_values (GstControlBinding * self, GstObject * object,
GValue *
gst_control_binding_get_value (GstControlBinding * self, GstClockTime timestamp)
{
GValue *dst_val = NULL;
gdouble src_val;
GstControlBindingClass *klass;
GValue *ret = NULL;
g_return_val_if_fail (GST_IS_CONTROL_BINDING (self), NULL);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), NULL);
/* get current value via control source */
if (gst_control_source_get_value (self->csource, timestamp, &src_val)) {
dst_val = g_new0 (GValue, 1);
g_value_init (dst_val, G_PARAM_SPEC_VALUE_TYPE (self->pspec));
self->convert (self, src_val, dst_val);
} else {
GST_LOG ("no control value for property %s at ts %" GST_TIME_FORMAT,
self->name, GST_TIME_ARGS (timestamp));
}
klass = GST_CONTROL_BINDING_GET_CLASS (self);
return dst_val;
if (G_LIKELY (klass->get_value != NULL)) {
ret = klass->get_value (self, timestamp);
} else {
GST_WARNING_OBJECT (self, "missing get_value implementation");
}
return ret;
}
/**
@ -331,52 +146,22 @@ gst_control_binding_get_value_array (GstControlBinding * self,
GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values)
{
gint i;
gdouble *src_val;
gboolean res = FALSE;
GType type;
GstControlBindingConvert convert;
GstControlBindingClass *klass;
gboolean ret = FALSE;
g_return_val_if_fail (GST_IS_CONTROL_BINDING (self), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (interval), FALSE);
g_return_val_if_fail (values, FALSE);
convert = self->convert;
type = G_PARAM_SPEC_VALUE_TYPE (self->pspec);
klass = GST_CONTROL_BINDING_GET_CLASS (self);
src_val = g_new0 (gdouble, n_values);
if ((res = gst_control_source_get_value_array (self->csource, timestamp,
interval, n_values, src_val))) {
for (i = 0; i < n_values; i++) {
if (!isnan (src_val[i])) {
g_value_init (&values[i], type);
convert (self, src_val[i], &values[i]);
} else {
GST_LOG ("no control value for property %s at index %d", self->name, i);
}
}
if (G_LIKELY (klass->get_value_array != NULL)) {
ret = klass->get_value_array (self, timestamp, interval, n_values, values);
} else {
GST_LOG ("failed to get control value for property %s at ts %"
GST_TIME_FORMAT, self->name, GST_TIME_ARGS (timestamp));
GST_WARNING_OBJECT (self, "missing get_value_array implementation");
}
g_free (src_val);
return res;
}
/**
* gst_control_binding_get_control_source:
* @self: the control binding
*
* Get the control source.
*
* Returns: the control source. Unref when done with it.
*/
GstControlSource *
gst_control_binding_get_control_source (GstControlBinding * self)
{
g_return_val_if_fail (GST_IS_CONTROL_BINDING (self), NULL);
return g_object_ref (self->csource);
return ret;
}
/**

23
gst/gstcontrolbinding.h
View file

@ -68,15 +68,10 @@ struct _GstControlBinding {
/*< public >*/
const gchar *name; /* name of the property */
GParamSpec *pspec; /* GParamSpec for this property */
/*< private >*/
GParamSpec *pspec; /* GParamSpec for this property */
GstControlSource *csource; /* GstControlSource for this property */
gboolean disabled;
GValue cur_value;
gdouble last_value;
GstControlBindingConvert convert;
gpointer _gst_reserved[GST_PADDING];
};
@ -92,12 +87,11 @@ struct _GstControlBinding {
struct _GstControlBindingClass
{
GstObjectClass parent_class;
/* need vfuncs for:
_sync_values
_get_value
_get_value_array
*/
/* virtual methods */
gboolean (* sync_values) (GstControlBinding *self, GstObject *object, GstClockTime timestamp, GstClockTime last_sync);
GValue * (* get_value) (GstControlBinding *self, GstClockTime timestamp);
gboolean (* get_value_array) (GstControlBinding *self, GstClockTime timestamp,GstClockTime interval, guint n_values, GValue *values);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
@ -107,16 +101,13 @@ GType gst_control_binding_get_type (void);
/* Functions */
GstControlBinding * gst_control_binding_new (GstObject * object, const gchar * property_name,
GstControlSource * csource);
gboolean gst_control_binding_sync_values (GstControlBinding * self, GstObject *object,
GstClockTime timestamp, GstClockTime last_sync);
GValue * gst_control_binding_get_value (GstControlBinding *binding,
GstClockTime timestamp);
gboolean gst_control_binding_get_value_array (GstControlBinding *binding, GstClockTime timestamp,
GstClockTime interval, guint n_values, GValue *values);
GstControlSource * gst_control_binding_get_control_source (GstControlBinding * self);
void gst_control_binding_set_disabled (GstControlBinding * self, gboolean disabled);
gboolean gst_control_binding_is_disabled (GstControlBinding * self);
G_END_DECLS

6
gst/gstobject.c
View file

@ -117,7 +117,7 @@
* </para></listitem>
* <listitem><para>
* Attach the #GstControlSource on the controller to a property.
* gst_object_add_control_binding (object, gst_control_binding_new (objetct, "prop1", csource));
* gst_object_add_control_binding (object, gst_control_binding_direct_new (objetct, "prop1", csource));
* </para></listitem>
* <listitem><para>
* Set the control values
@ -1222,8 +1222,8 @@ gst_object_add_control_binding (GstObject * object, GstControlBinding * binding)
g_return_val_if_fail (GST_IS_OBJECT (object), FALSE);
g_return_val_if_fail (GST_IS_CONTROL_BINDING (binding), FALSE);
g_return_val_if_fail (g_type_is_a (binding->pspec->owner_type,
G_OBJECT_TYPE (object)), FALSE);
//g_return_val_if_fail (g_type_is_a (binding->pspec->owner_type,
// G_OBJECT_TYPE (object)), FALSE);
GST_OBJECT_LOCK (object);
if ((old = gst_object_find_control_binding (object, binding->name))) {

4
libs/gst/controller/Makefile.am
View file

@ -2,12 +2,16 @@ lib_LTLIBRARIES = libgstcontroller-@GST_MAJORMINOR@.la
libgstcontroller_@GST_MAJORMINOR@_includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/controller
libgstcontroller_@GST_MAJORMINOR@_include_HEADERS = \
gstcontrolbindingargb.h \
gstcontrolbindingdirect.h \
gsttimedvaluecontrolsource.h \
gstinterpolationcontrolsource.h \
gsttriggercontrolsource.h \
gstlfocontrolsource.h
libgstcontroller_@GST_MAJORMINOR@_la_SOURCES = \
gstcontrolbindingargb.c \
gstcontrolbindingdirect.c \
gsttimedvaluecontrolsource.c \
gstinterpolationcontrolsource.c \
gsttriggercontrolsource.c \

315
libs/gst/controller/gstcontrolbindingargb.c Normal file
View file

@ -0,0 +1,315 @@
/* GStreamer
*
* Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net>
*
* gstcontrolbindingargb.c: Attachment for multiple control sources to gargb
* properties
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:gstcontrolbindingargb
* @short_description: attachment for control source sources to argb properties
*
* A value mapping object that attaches multiple control sources to a guint
* gobject properties representing a color.
*/
#include <glib-object.h>
#include <gst/gst.h>
#include "gstcontrolbindingargb.h"
#include <math.h>
#define GST_CAT_DEFAULT control_binding_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static void gst_control_binding_argb_dispose (GObject * object);
static void gst_control_binding_argb_finalize (GObject * object);
static gboolean gst_control_binding_argb_sync_values (GstControlBinding * _self,
GstObject * object, GstClockTime timestamp, GstClockTime last_sync);
static GValue *gst_control_binding_argb_get_value (GstControlBinding * _self,
GstClockTime timestamp);
static gboolean gst_control_binding_argb_get_value_array (GstControlBinding *
_self, GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values);
#define _do_init \
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "gstcontrolbindingargb", 0, \
"dynamic parameter control source attachment");
G_DEFINE_TYPE_WITH_CODE (GstControlBindingARGB, gst_control_binding_argb,
GST_TYPE_CONTROL_BINDING, _do_init);
static void
gst_control_binding_argb_class_init (GstControlBindingARGBClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstControlBindingClass *control_binding_class =
GST_CONTROL_BINDING_CLASS (klass);
gobject_class->dispose = gst_control_binding_argb_dispose;
gobject_class->finalize = gst_control_binding_argb_finalize;
control_binding_class->sync_values = gst_control_binding_argb_sync_values;
control_binding_class->get_value = gst_control_binding_argb_get_value;
control_binding_class->get_value_array =
gst_control_binding_argb_get_value_array;
}
static void
gst_control_binding_argb_init (GstControlBindingARGB * self)
{
}
static void
gst_control_binding_argb_dispose (GObject * object)
{
GstControlBindingARGB *self = GST_CONTROL_BINDING_ARGB (object);
if (self->cs_a)
gst_object_replace ((GstObject **) & self->cs_a, NULL);
if (self->cs_r)
gst_object_replace ((GstObject **) & self->cs_r, NULL);
if (self->cs_g)
gst_object_replace ((GstObject **) & self->cs_g, NULL);
if (self->cs_b)
gst_object_replace ((GstObject **) & self->cs_b, NULL);
}
static void
gst_control_binding_argb_finalize (GObject * object)
{
GstControlBindingARGB *self = GST_CONTROL_BINDING_ARGB (object);
g_value_unset (&self->cur_value);
}
static gboolean
gst_control_binding_argb_sync_values (GstControlBinding * _self,
GstObject * object, GstClockTime timestamp, GstClockTime last_sync)
{
GstControlBindingARGB *self = GST_CONTROL_BINDING_ARGB (_self);
gdouble src_val_a = 1.0, src_val_r = 0.0, src_val_g = 0.0, src_val_b = 0.0;
gboolean ret = TRUE;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_ARGB (self), FALSE);
GST_LOG_OBJECT (object, "property '%s' at ts=%" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
if (self->cs_a)
ret &= gst_control_source_get_value (self->cs_a, timestamp, &src_val_a);
if (self->cs_r)
ret &= gst_control_source_get_value (self->cs_r, timestamp, &src_val_r);
if (self->cs_g)
ret &= gst_control_source_get_value (self->cs_g, timestamp, &src_val_g);
if (self->cs_b)
ret &= gst_control_source_get_value (self->cs_b, timestamp, &src_val_b);
if (G_LIKELY (ret)) {
guint src_val = (((guint) (CLAMP (src_val_a, 0.0, 1.0) * 255)) << 24) |
(((guint) (CLAMP (src_val_r, 0.0, 1.0) * 255)) << 16) |
(((guint) (CLAMP (src_val_g, 0.0, 1.0) * 255)) << 8) |
((guint) (CLAMP (src_val_b, 0.0, 1.0) * 255));
GST_LOG_OBJECT (object, " new value 0x%08x", src_val);
/* always set the value for first time, but then only if it changed
* this should limit g_object_notify invocations.
* FIXME: can we detect negative playback rates?
*/
if ((timestamp < last_sync) || (src_val != self->last_value)) {
GValue *dst_val = &self->cur_value;
g_value_set_uint (dst_val, src_val);
/* we can make this faster
* http://bugzilla.gnome.org/show_bug.cgi?id=536939
*/
g_object_set_property ((GObject *) object, _self->name, dst_val);
self->last_value = src_val;
}
} else {
GST_DEBUG_OBJECT (object, "no control value for param %s", _self->name);
}
return (ret);
}
static GValue *
gst_control_binding_argb_get_value (GstControlBinding * _self,
GstClockTime timestamp)
{
GstControlBindingARGB *self = GST_CONTROL_BINDING_ARGB (_self);
GValue *dst_val = NULL;
gdouble src_val_a = 1.0, src_val_r = 0.0, src_val_g = 0.0, src_val_b = 0.0;
gboolean ret = TRUE;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_ARGB (self), NULL);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), NULL);
/* get current value via control source */
if (self->cs_a)
ret &= gst_control_source_get_value (self->cs_a, timestamp, &src_val_a);
if (self->cs_r)
ret &= gst_control_source_get_value (self->cs_r, timestamp, &src_val_r);
if (self->cs_g)
ret &= gst_control_source_get_value (self->cs_g, timestamp, &src_val_g);
if (self->cs_b)
ret &= gst_control_source_get_value (self->cs_b, timestamp, &src_val_b);
if (G_LIKELY (ret)) {
guint src_val = (((guint) (CLAMP (src_val_a, 0.0, 1.0) * 255)) << 24) |
(((guint) (CLAMP (src_val_r, 0.0, 1.0) * 255)) << 16) |
(((guint) (CLAMP (src_val_g, 0.0, 1.0) * 255)) << 8) |
((guint) (CLAMP (src_val_b, 0.0, 1.0) * 255));
dst_val = g_new0 (GValue, 1);
g_value_init (dst_val, G_TYPE_UINT);
g_value_set_uint (dst_val, src_val);
} else {
GST_LOG ("no control value for property %s at ts %" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
}
return dst_val;
}
static gboolean
gst_control_binding_argb_get_value_array (GstControlBinding * _self,
GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values)
{
GstControlBindingARGB *self = GST_CONTROL_BINDING_ARGB (_self);
gint i;
gdouble *src_val_a = NULL, *src_val_r = NULL, *src_val_g = NULL, *src_val_b =
NULL;
guint src_val;
gboolean ret = TRUE;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_ARGB (self), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (interval), FALSE);
g_return_val_if_fail (values, FALSE);
if (self->cs_a) {
src_val_a = g_new0 (gdouble, n_values);
ret &= gst_control_source_get_value_array (self->cs_a, timestamp,
interval, n_values, src_val_a);
}
if (self->cs_r) {
src_val_r = g_new0 (gdouble, n_values);
ret &= gst_control_source_get_value_array (self->cs_r, timestamp,
interval, n_values, src_val_r);
}
if (self->cs_g) {
src_val_g = g_new0 (gdouble, n_values);
ret &= gst_control_source_get_value_array (self->cs_g, timestamp,
interval, n_values, src_val_g);
}
if (self->cs_b) {
src_val_b = g_new0 (gdouble, n_values);
ret &= gst_control_source_get_value_array (self->cs_b, timestamp,
interval, n_values, src_val_b);
}
if (G_LIKELY (ret)) {
for (i = 0; i < n_values; i++) {
gdouble a = 1.0, r = 0.0, g = 0.0, b = 0.0;
if (src_val_a && !isnan (src_val_a[i]))
a = src_val_a[i];
if (src_val_r && !isnan (src_val_r[i]))
r = src_val_r[i];
if (src_val_g && !isnan (src_val_g[i]))
g = src_val_g[i];
if (src_val_b && !isnan (src_val_b[i]))
b = src_val_b[i];
src_val = (((guint) (CLAMP (a, 0.0, 1.0) * 255)) << 24) |
(((guint) (CLAMP (r, 0.0, 1.0) * 255)) << 16) |
(((guint) (CLAMP (g, 0.0, 1.0) * 255)) << 8) |
((guint) (CLAMP (b, 0.0, 1.0) * 255));
g_value_init (&values[i], G_TYPE_UINT);
g_value_set_uint (&values[i], src_val);
}
} else {
GST_LOG ("failed to get control value for property %s at ts %"
GST_TIME_FORMAT, _self->name, GST_TIME_ARGS (timestamp));
}
g_free (src_val_a);
g_free (src_val_r);
g_free (src_val_g);
g_free (src_val_b);
return ret;
}
/* mapping function */
/**
* gst_control_binding_argb_new:
* @object: the object of the property
* @property_name: the property-name to attach the control source
* @cs_a: the control source for the alpha channel
* @cs_r: the control source for the red channel
* @cs_g: the control source for the green channel
* @cs_b: the control source for the blue channel
*
* Create a new control-binding that attaches the given #GstControlSource to the
* #GObject property.
*
* Returns: the new #GstControlBindingARGB
*/
GstControlBinding *
gst_control_binding_argb_new (GstObject * object, const gchar * property_name,
GstControlSource * cs_a, GstControlSource * cs_r, GstControlSource * cs_g,
GstControlSource * cs_b)
{
GstControlBindingARGB *self = NULL;
GParamSpec *pspec;
GST_INFO_OBJECT (object, "trying to put property '%s' under control",
property_name);
/* check if the object has a property of that name */
if ((pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
property_name))) {
GST_DEBUG_OBJECT (object, " psec->flags : 0x%08x", pspec->flags);
/* check if this param is witable && controlable && !construct-only */
g_return_val_if_fail ((pspec->flags & (G_PARAM_WRITABLE |
GST_PARAM_CONTROLLABLE | G_PARAM_CONSTRUCT_ONLY)) ==
(G_PARAM_WRITABLE | GST_PARAM_CONTROLLABLE), NULL);
g_return_val_if_fail (G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_UINT, NULL);
if ((self = (GstControlBindingARGB *)
g_object_newv (GST_TYPE_CONTROL_BINDING_ARGB, 0, NULL))) {
// move below to construct()
((GstControlBinding *) self)->pspec = pspec;
((GstControlBinding *) self)->name = pspec->name;
if (cs_a)
self->cs_a = gst_object_ref (cs_a);
if (cs_r)
self->cs_r = gst_object_ref (cs_r);
if (cs_g)
self->cs_g = gst_object_ref (cs_g);
if (cs_b)
self->cs_b = gst_object_ref (cs_b);
g_value_init (&self->cur_value, G_TYPE_UINT);
}
} else {
GST_WARNING_OBJECT (object, "class '%s' has no property '%s'",
G_OBJECT_TYPE_NAME (object), property_name);
}
return (GstControlBinding *) self;
}
/* functions */

98
libs/gst/controller/gstcontrolbindingargb.h Normal file
View file

@ -0,0 +1,98 @@
/* GStreamer
*
* Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net>
*
* gstcontrolbindingargb.h: Attachment for multiple control sources to gargb
* properties
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_CONTROL_BINDING_ARGB_H__
#define __GST_CONTROL_BINDING_ARGB_H__
#include <gst/gstconfig.h>
#include <glib-object.h>
#include <gst/gstcontrolsource.h>
G_BEGIN_DECLS
#define GST_TYPE_CONTROL_BINDING_ARGB \
(gst_control_binding_argb_get_type())
#define GST_CONTROL_BINDING_ARGB(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CONTROL_BINDING_ARGB,GstControlBindingARGB))
#define GST_CONTROL_BINDING_ARGB_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CONTROL_BINDING_ARGB,GstControlBindingARGBClass))
#define GST_IS_CONTROL_BINDING_ARGB(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CONTROL_BINDING_ARGB))
#define GST_IS_CONTROL_BINDING_ARGB_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CONTROL_BINDING_ARGB))
#define GST_CONTROL_BINDING_ARGB_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_CONTOL_SOURCE, GstControlBindingARGBClass))
typedef struct _GstControlBindingARGB GstControlBindingARGB;
typedef struct _GstControlBindingARGBClass GstControlBindingARGBClass;
/**
* GstControlBindingARGB:
* @name: name of the property of this binding
*
* The instance structure of #GstControlBindingARGB.
*/
struct _GstControlBindingARGB {
GstControlBinding parent;
/*< private >*/
GstControlSource *cs_a; /* GstControlSources for this property */
GstControlSource *cs_r;
GstControlSource *cs_g;
GstControlSource *cs_b;
GValue cur_value;
guint32 last_value;
gpointer _gst_reserved[GST_PADDING];
};
/**
* GstControlBindingARGBClass:
* @parent_class: Parent class
* @convert: Class method to convert control-values
*
* The class structure of #GstControlBindingARGB.
*/
struct _GstControlBindingARGBClass
{
GstControlBindingClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GType gst_control_binding_argb_get_type (void);
/* Functions */
GstControlBinding * gst_control_binding_argb_new (GstObject * object, const gchar * property_name,
GstControlSource * cs_a, GstControlSource * cs_r,
GstControlSource * cs_g, GstControlSource * cs_b);
G_END_DECLS
#endif /* __GST_CONTROL_BINDING_ARGB_H__ */

351
libs/gst/controller/gstcontrolbindingdirect.c Normal file
View file

@ -0,0 +1,351 @@
/* GStreamer
*
* Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net>
*
* gstcontrolbindingdirect.c: Direct attachment for control sources
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:gstcontrolbindingdirect
* @short_description: direct attachment for control source sources
*
* A value mapping object that attaches control sources to gobject properties.
*/
#include <glib-object.h>
#include <gst/gst.h>
#include "gstcontrolbindingdirect.h"
#include <math.h>
#define GST_CAT_DEFAULT control_binding_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static void gst_control_binding_direct_dispose (GObject * object);
static void gst_control_binding_direct_finalize (GObject * object);
static gboolean gst_control_binding_direct_sync_values (GstControlBinding *
_self, GstObject * object, GstClockTime timestamp, GstClockTime last_sync);
static GValue *gst_control_binding_direct_get_value (GstControlBinding * _self,
GstClockTime timestamp);
static gboolean gst_control_binding_direct_get_value_array (GstControlBinding *
_self, GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values);
#define _do_init \
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "gstcontrolbindingdirect", 0, \
"dynamic parameter control source attachment");
G_DEFINE_TYPE_WITH_CODE (GstControlBindingDirect, gst_control_binding_direct,
GST_TYPE_CONTROL_BINDING, _do_init);
static void
gst_control_binding_direct_class_init (GstControlBindingDirectClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstControlBindingClass *control_binding_class =
GST_CONTROL_BINDING_CLASS (klass);
gobject_class->dispose = gst_control_binding_direct_dispose;
gobject_class->finalize = gst_control_binding_direct_finalize;
control_binding_class->sync_values = gst_control_binding_direct_sync_values;
control_binding_class->get_value = gst_control_binding_direct_get_value;
control_binding_class->get_value_array =
gst_control_binding_direct_get_value_array;
}
static void
gst_control_binding_direct_init (GstControlBindingDirect * self)
{
}
static void
gst_control_binding_direct_dispose (GObject * object)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
if (self->csource)
gst_object_replace ((GstObject **) & self->csource, NULL);
}
static void
gst_control_binding_direct_finalize (GObject * object)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (object);
g_value_unset (&self->cur_value);
}
static gboolean
gst_control_binding_direct_sync_values (GstControlBinding * _self,
GstObject * object, GstClockTime timestamp, GstClockTime last_sync)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
gdouble src_val;
gboolean ret;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), FALSE);
GST_LOG_OBJECT (object, "property '%s' at ts=%" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
ret = gst_control_source_get_value (self->csource, timestamp, &src_val);
if (G_LIKELY (ret)) {
GST_LOG_OBJECT (object, " new value %lf", src_val);
/* always set the value for first time, but then only if it changed
* this should limit g_object_notify invocations.
* FIXME: can we detect negative playback rates?
*/
if ((timestamp < last_sync) || (src_val != self->last_value)) {
GValue *dst_val = &self->cur_value;
GST_LOG_OBJECT (object, " mapping %s to value of type %s", _self->name,
G_VALUE_TYPE_NAME (dst_val));
/* run mapping function to convert gdouble to GValue */
self->convert (self, src_val, dst_val);
/* we can make this faster
* http://bugzilla.gnome.org/show_bug.cgi?id=536939
*/
g_object_set_property ((GObject *) object, _self->name, dst_val);
self->last_value = src_val;
}
} else {
GST_DEBUG_OBJECT (object, "no control value for param %s", _self->name);
}
return (ret);
}
static GValue *
gst_control_binding_direct_get_value (GstControlBinding * _self,
GstClockTime timestamp)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
GValue *dst_val = NULL;
gdouble src_val;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), NULL);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), NULL);
/* get current value via control source */
if (gst_control_source_get_value (self->csource, timestamp, &src_val)) {
dst_val = g_new0 (GValue, 1);
g_value_init (dst_val, G_PARAM_SPEC_VALUE_TYPE (_self->pspec));
self->convert (self, src_val, dst_val);
} else {
GST_LOG ("no control value for property %s at ts %" GST_TIME_FORMAT,
_self->name, GST_TIME_ARGS (timestamp));
}
return dst_val;
}
static gboolean
gst_control_binding_direct_get_value_array (GstControlBinding * _self,
GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values)
{
GstControlBindingDirect *self = GST_CONTROL_BINDING_DIRECT (_self);
gint i;
gdouble *src_val;
gboolean res = FALSE;
GType type;
GstControlBindingDirectConvert convert;
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (interval), FALSE);
g_return_val_if_fail (values, FALSE);
convert = self->convert;
type = G_PARAM_SPEC_VALUE_TYPE (_self->pspec);
src_val = g_new0 (gdouble, n_values);
if ((res = gst_control_source_get_value_array (self->csource, timestamp,
interval, n_values, src_val))) {
for (i = 0; i < n_values; i++) {
if (!isnan (src_val[i])) {
g_value_init (&values[i], type);
convert (self, src_val[i], &values[i]);
} else {
GST_LOG ("no control value for property %s at index %d", _self->name,
i);
}
}
} else {
GST_LOG ("failed to get control value for property %s at ts %"
GST_TIME_FORMAT, _self->name, GST_TIME_ARGS (timestamp));
}
g_free (src_val);
return res;
}
/* mapping functions */
#define DEFINE_CONVERT(type,Type,TYPE) \
static void \
convert_to_##type (GstControlBindingDirect *self, gdouble s, GValue *d) \
{ \
GParamSpec##Type *pspec = G_PARAM_SPEC_##TYPE (((GstControlBinding *)self)->pspec); \
g##type v; \
\
s = CLAMP (s, 0.0, 1.0); \
v = pspec->minimum + (g##type) ((pspec->maximum - pspec->minimum) * s); \
g_value_set_##type (d, v); \
}
DEFINE_CONVERT (int, Int, INT);
DEFINE_CONVERT (uint, UInt, UINT);
DEFINE_CONVERT (long, Long, LONG);
DEFINE_CONVERT (ulong, ULong, ULONG);
DEFINE_CONVERT (int64, Int64, INT64);
DEFINE_CONVERT (uint64, UInt64, UINT64);
DEFINE_CONVERT (float, Float, FLOAT);
DEFINE_CONVERT (double, Double, DOUBLE);
static void
convert_to_boolean (GstControlBindingDirect * self, gdouble s, GValue * d)
{
s = CLAMP (s, 0.0, 1.0);
g_value_set_boolean (d, (gboolean) (s + 0.5));
}
static void
convert_to_enum (GstControlBindingDirect * self, gdouble s, GValue * d)
{
GParamSpecEnum *pspec =
G_PARAM_SPEC_ENUM (((GstControlBinding *) self)->pspec);
GEnumClass *e = pspec->enum_class;
gint v;
s = CLAMP (s, 0.0, 1.0);
v = s * (e->n_values - 1);
g_value_set_enum (d, e->values[v].value);
}
/**
* gst_control_binding_direct_new:
* @object: the object of the property
* @property_name: the property-name to attach the control source
* @csource: the control source
*
* Create a new control-binding that attaches the #GstControlSource to the
* #GObject property.
*
* Returns: the new #GstControlBindingDirect
*/
GstControlBinding *
gst_control_binding_direct_new (GstObject * object, const gchar * property_name,
GstControlSource * csource)
{
GstControlBindingDirect *self = NULL;
GParamSpec *pspec;
GST_INFO_OBJECT (object, "trying to put property '%s' under control",
property_name);
/* check if the object has a property of that name */
if ((pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
property_name))) {
GST_DEBUG_OBJECT (object, " psec->flags : 0x%08x", pspec->flags);
/* check if this param is witable && controlable && !construct-only */
g_return_val_if_fail ((pspec->flags & (G_PARAM_WRITABLE |
GST_PARAM_CONTROLLABLE | G_PARAM_CONSTRUCT_ONLY)) ==
(G_PARAM_WRITABLE | GST_PARAM_CONTROLLABLE), NULL);
if ((self = (GstControlBindingDirect *)
g_object_newv (GST_TYPE_CONTROL_BINDING_DIRECT, 0, NULL))) {
GType type = G_PARAM_SPEC_VALUE_TYPE (pspec), base;
// add pspec as a construction parameter and move below to construct()
((GstControlBinding *) self)->pspec = pspec;
((GstControlBinding *) self)->name = pspec->name;
self->csource = gst_object_ref (csource);
g_value_init (&self->cur_value, type);
base = type = G_PARAM_SPEC_VALUE_TYPE (pspec);
while ((type = g_type_parent (type)))
base = type;
GST_DEBUG_OBJECT (object, " using type %s", g_type_name (base));
// select mapping function
// FIXME: only select mapping if super class hasn't set any?
switch (base) {
case G_TYPE_INT:
self->convert = convert_to_int;
break;
case G_TYPE_UINT:
self->convert = convert_to_uint;
break;
case G_TYPE_LONG:
self->convert = convert_to_long;
break;
case G_TYPE_ULONG:
self->convert = convert_to_ulong;
break;
case G_TYPE_INT64:
self->convert = convert_to_int64;
break;
case G_TYPE_UINT64:
self->convert = convert_to_uint64;
break;
case G_TYPE_FLOAT:
self->convert = convert_to_float;
break;
case G_TYPE_DOUBLE:
self->convert = convert_to_double;
break;
case G_TYPE_BOOLEAN:
self->convert = convert_to_boolean;
break;
case G_TYPE_ENUM:
self->convert = convert_to_enum;
break;
default:
// FIXME: return NULL?
GST_WARNING ("incomplete implementation for paramspec type '%s'",
G_PARAM_SPEC_TYPE_NAME (pspec));
break;
}
}
} else {
GST_WARNING_OBJECT (object, "class '%s' has no property '%s'",
G_OBJECT_TYPE_NAME (object), property_name);
}
return (GstControlBinding *) self;
}
/* functions */
/**
* gst_control_binding_direct_get_control_source:
* @self: the control binding
*
* Get the control source.
*
* Returns: the control source. Unref when done with it.
*/
GstControlSource *
gst_control_binding_direct_get_control_source (GstControlBindingDirect * self)
{
g_return_val_if_fail (GST_IS_CONTROL_BINDING_DIRECT (self), NULL);
return g_object_ref (self->csource);
}

106
libs/gst/controller/gstcontrolbindingdirect.h Normal file
View file

@ -0,0 +1,106 @@
/* GStreamer
*
* Copyright (C) 2011 Stefan Sauer <ensonic@users.sf.net>
*
* gstcontrolbindingdirect.h: Direct attachment for control sources
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_CONTROL_BINDING_DIRECT_H__
#define __GST_CONTROL_BINDING_DIRECT_H__
#include <gst/gstconfig.h>
#include <glib-object.h>
#include <gst/gstcontrolsource.h>
G_BEGIN_DECLS
#define GST_TYPE_CONTROL_BINDING_DIRECT \
(gst_control_binding_direct_get_type())
#define GST_CONTROL_BINDING_DIRECT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CONTROL_BINDING_DIRECT,GstControlBindingDirect))
#define GST_CONTROL_BINDING_DIRECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CONTROL_BINDING_DIRECT,GstControlBindingDirectClass))
#define GST_IS_CONTROL_BINDING_DIRECT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CONTROL_BINDING_DIRECT))
#define GST_IS_CONTROL_BINDING_DIRECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CONTROL_BINDING_DIRECT))
#define GST_CONTROL_BINDING_DIRECT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_CONTOL_SOURCE, GstControlBindingDirectClass))
typedef struct _GstControlBindingDirect GstControlBindingDirect;
typedef struct _GstControlBindingDirectClass GstControlBindingDirectClass;
/**
* GstControlBindingDirectConvert:
* @self: the #GstControlBindingDirect instance
* @src_value: the value returned by the cotnrol source
* @dest_value: the target GValue
*
* Function to map a control-value to the target GValue.
*/
typedef void (* GstControlBindingDirectConvert) (GstControlBindingDirect *self, gdouble src_value, GValue *dest_value);
/**
* GstControlBindingDirect:
* @name: name of the property of this binding
*
* The instance structure of #GstControlBindingDirect.
*/
struct _GstControlBindingDirect {
GstControlBinding parent;
/*< private >*/
GstControlSource *csource; /* GstControlSource for this property */
GValue cur_value;
gdouble last_value;
GstControlBindingDirectConvert convert;
gpointer _gst_reserved[GST_PADDING];
};
/**
* GstControlBindingDirectClass:
* @parent_class: Parent class
* @convert: Class method to convert control-values
*
* The class structure of #GstControlBindingDirect.
*/
struct _GstControlBindingDirectClass
{
GstControlBindingClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GType gst_control_binding_direct_get_type (void);
/* Functions */
GstControlBinding * gst_control_binding_direct_new (GstObject * object, const gchar * property_name,
GstControlSource * csource);
GstControlSource * gst_control_binding_direct_get_control_source (GstControlBindingDirect * self);
G_END_DECLS
#endif /* __GST_CONTROL_BINDING_DIRECT_H__ */

2
tests/benchmarks/controller.c
View file

@ -112,7 +112,7 @@ main (gint argc, gchar * argv[])
/* create and configure control source */
csource = gst_interpolation_control_source_new ();
gst_object_add_control_binding (GST_OBJECT (src),
gst_control_binding_new (GST_OBJECT (src), "freq",
gst_control_binding_direct_new (GST_OBJECT (src), "freq",
GST_CONTROL_SOURCE (csource)));
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);

28
tests/check/gst/gstcontroller.c
View file

@ -328,7 +328,7 @@ GST_START_TEST (controller_new_fail1)
cs = gst_test_control_source_new ();
/* that property should not exist */
cb = gst_control_binding_new (GST_OBJECT (elem), "_schrompf_",
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "_schrompf_",
GST_CONTROL_SOURCE (cs));
fail_unless (cb == NULL, NULL);
@ -349,7 +349,7 @@ GST_START_TEST (controller_new_fail2)
cs = gst_test_control_source_new ();
/* that property should exist and but is readonly */
ASSERT_CRITICAL (cb = gst_control_binding_new (GST_OBJECT (elem),
ASSERT_CRITICAL (cb = gst_control_binding_direct_new (GST_OBJECT (elem),
"readonly", GST_CONTROL_SOURCE (cs)));
fail_unless (cb == NULL, NULL);
@ -370,7 +370,7 @@ GST_START_TEST (controller_new_fail3)
cs = gst_test_control_source_new ();
/* that property should exist and but is not controlable */
ASSERT_CRITICAL (cb = gst_control_binding_new (GST_OBJECT (elem),
ASSERT_CRITICAL (cb = gst_control_binding_direct_new (GST_OBJECT (elem),
"static", GST_CONTROL_SOURCE (cs)));
fail_unless (cb == NULL, NULL);
@ -392,7 +392,7 @@ GST_START_TEST (controller_new_fail4)
/* that property should exist and but is construct-only */
ASSERT_CRITICAL (cb =
gst_control_binding_new (GST_OBJECT (elem), "construct-only",
gst_control_binding_direct_new (GST_OBJECT (elem), "construct-only",
GST_CONTROL_SOURCE (cs)));
fail_unless (cb == NULL, NULL);
@ -414,7 +414,7 @@ GST_START_TEST (controller_new_okay1)
cs = gst_test_control_source_new ();
/* that property should exist and should be controllable */
cb = gst_control_binding_new (GST_OBJECT (elem), "int",
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "int",
GST_CONTROL_SOURCE (cs));
fail_unless (cb != NULL, NULL);
@ -437,11 +437,11 @@ GST_START_TEST (controller_new_okay2)
cs2 = gst_test_control_source_new ();
/* these properties should exist and should be controllable */
cb1 = gst_control_binding_new (GST_OBJECT (elem), "int",
cb1 = gst_control_binding_direct_new (GST_OBJECT (elem), "int",
GST_CONTROL_SOURCE (cs1));
fail_unless (cb1 != NULL, NULL);
cb2 = gst_control_binding_new (GST_OBJECT (elem), "boolean",
cb2 = gst_control_binding_direct_new (GST_OBJECT (elem), "boolean",
GST_CONTROL_SOURCE (cs2));
fail_unless (cb2 != NULL, NULL);
@ -466,7 +466,7 @@ GST_START_TEST (controller_param_twice)
cs = gst_test_control_source_new ();
/* that property should exist and should be controllable */
cb = gst_control_binding_new (GST_OBJECT (elem), "int",
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "int",
GST_CONTROL_SOURCE (cs));
fail_unless (cb != NULL, NULL);
cb = gst_object_ref (cb);
@ -527,7 +527,7 @@ GST_START_TEST (controller_controlsource_refcounts)
fail_unless_equals_int (G_OBJECT (cs)->ref_count, 1);
cb = gst_control_binding_new (GST_OBJECT (elem), "int", cs);
cb = gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs);
fail_unless (cb != NULL, NULL);
fail_unless_equals_int (G_OBJECT (cs)->ref_count, 2);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem), cb));
@ -560,9 +560,9 @@ GST_START_TEST (controller_bind_twice)
cs = (GstControlSource *) gst_test_control_source_new ();
fail_unless (cs != NULL, NULL);
cb1 = gst_control_binding_new (GST_OBJECT (elem), "int", cs);
cb1 = gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs);
fail_unless (cb1 != NULL, NULL);
cb2 = gst_control_binding_new (GST_OBJECT (elem), "double", cs);
cb2 = gst_control_binding_direct_new (GST_OBJECT (elem), "double", cs);
fail_unless (cb2 != NULL, NULL);
gst_object_unref (cb1);
@ -585,7 +585,7 @@ GST_START_TEST (controller_sync1)
fail_unless (csource != NULL, NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int",
gst_control_binding_direct_new (GST_OBJECT (elem), "int",
(GstControlSource *) csource)));
csource->value = 0.5;
@ -611,10 +611,10 @@ GST_START_TEST (controller_sync2)
fail_unless (csource != NULL, NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int",
gst_control_binding_direct_new (GST_OBJECT (elem), "int",
(GstControlSource *) csource)));
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "double",
gst_control_binding_direct_new (GST_OBJECT (elem), "double",
(GstControlSource *) csource)));
csource->value = 0.5;

53
tests/check/libs/controller.c
View file

@ -29,6 +29,7 @@
#include <gst/controller/gstinterpolationcontrolsource.h>
#include <gst/controller/gstlfocontrolsource.h>
#include <gst/controller/gsttriggercontrolsource.h>
#include <gst/controller/gstcontrolbindingdirect.h>
/* enum for text element */
@ -286,7 +287,7 @@ GST_START_TEST (controller_controlsource_empty1)
fail_unless (csource != NULL, NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int",
gst_control_binding_direct_new (GST_OBJECT (elem), "int",
(GstControlSource *) csource)));
/* don't fail on empty control point lists */
@ -312,7 +313,7 @@ GST_START_TEST (controller_controlsource_empty2)
fail_unless (csource != NULL, NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int",
gst_control_binding_direct_new (GST_OBJECT (elem), "int",
(GstControlSource *) csource)));
/* set control values */
@ -350,7 +351,7 @@ GST_START_TEST (controller_interpolation_none)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
@ -402,7 +403,7 @@ GST_START_TEST (controller_interpolation_linear)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -442,7 +443,7 @@ GST_START_TEST (controller_interpolation_cubic)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "double", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "double", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_CUBIC, NULL);
@ -491,7 +492,7 @@ GST_START_TEST (controller_interpolation_cubic_too_few_cp)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "double", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "double", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_CUBIC, NULL);
@ -533,7 +534,7 @@ GST_START_TEST (controller_interpolation_unset)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
@ -589,7 +590,7 @@ GST_START_TEST (controller_interpolation_unset_all)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
@ -637,7 +638,7 @@ GST_START_TEST (controller_interpolation_linear_value_array)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -691,7 +692,7 @@ GST_START_TEST (controller_interpolation_linear_invalid_values)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "float", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "float", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -743,7 +744,7 @@ GST_START_TEST (controller_interpolation_linear_default_values)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -814,10 +815,10 @@ GST_START_TEST (controller_interpolation_linear_disabled)
fail_unless (csource1 != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs1)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs1)));
fail_unless (csource2 != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "double", cs2)));
gst_control_binding_direct_new (GST_OBJECT (elem), "double", cs2)));
/* set interpolation mode */
g_object_set (csource1, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -939,7 +940,7 @@ GST_START_TEST (controller_interpolation_set_from_list)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -984,7 +985,7 @@ GST_START_TEST (controller_interpolation_linear_before_ts0)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -1031,7 +1032,7 @@ GST_START_TEST (controller_interpolation_linear_enums)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "enum", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "enum", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
@ -1075,7 +1076,7 @@ GST_START_TEST (controller_timed_value_count)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* set interpolation mode */
g_object_set (csource, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
@ -1116,7 +1117,7 @@ GST_START_TEST (controller_lfo_sine)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* configure lfo */
g_object_set (csource, "waveform", GST_LFO_WAVEFORM_SINE,
@ -1170,7 +1171,7 @@ GST_START_TEST (controller_lfo_sine_timeshift)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* configure lfo */
g_object_set (csource, "waveform", GST_LFO_WAVEFORM_SINE,
@ -1224,7 +1225,7 @@ GST_START_TEST (controller_lfo_square)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* configure lfo */
g_object_set (csource, "waveform", GST_LFO_WAVEFORM_SQUARE,
@ -1278,7 +1279,7 @@ GST_START_TEST (controller_lfo_saw)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* configure lfo */
g_object_set (csource, "waveform", GST_LFO_WAVEFORM_SAW,
@ -1332,7 +1333,7 @@ GST_START_TEST (controller_lfo_rsaw)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* configure lfo */
g_object_set (csource, "waveform", GST_LFO_WAVEFORM_REVERSE_SAW,
@ -1386,7 +1387,7 @@ GST_START_TEST (controller_lfo_triangle)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* configure lfo */
g_object_set (csource, "waveform", GST_LFO_WAVEFORM_TRIANGLE,
@ -1440,7 +1441,7 @@ GST_START_TEST (controller_lfo_none)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
/* now pull in values for some timestamps */
gst_object_sync_values (GST_OBJECT (elem), 0 * GST_MSECOND);
@ -1492,7 +1493,7 @@ GST_START_TEST (controller_trigger_exact)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
fail_if (gst_control_source_get_value (cs, 0 * GST_SECOND, &raw_val));
@ -1538,7 +1539,7 @@ GST_START_TEST (controller_trigger_tolerance)
fail_unless (csource != NULL);
fail_unless (gst_object_add_control_binding (GST_OBJECT (elem),
gst_control_binding_new (GST_OBJECT (elem), "int", cs)));
gst_control_binding_direct_new (GST_OBJECT (elem), "int", cs)));
g_object_set (csource, "tolerance", G_GINT64_CONSTANT (10), NULL);

1
tests/examples/controller/.gitignore vendored
View file

@ -1,5 +1,6 @@
audio-example
control-sources
text-color-example
*.bb
*.bbg
*.da

2
tests/examples/controller/Makefile.am
View file

@ -1,4 +1,4 @@
noinst_PROGRAMS = audio-example control-sources
noinst_PROGRAMS = audio-example control-sources text-color-example
AM_CFLAGS = $(GST_OBJ_CFLAGS) -I$(top_builddir)/libs

5
tests/examples/controller/audio-example.c
View file

@ -9,6 +9,7 @@
#include <gst/gst.h>
#include <gst/controller/gstinterpolationcontrolsource.h>
#include <gst/controller/gstcontrolbindingdirect.h>
gint
main (gint argc, gchar ** argv)
@ -49,10 +50,10 @@ main (gint argc, gchar ** argv)
csource2 = gst_interpolation_control_source_new ();
gst_object_add_control_binding (GST_OBJECT_CAST (src),
gst_control_binding_new (GST_OBJECT_CAST (src), "volume",
gst_control_binding_direct_new (GST_OBJECT_CAST (src), "volume",
GST_CONTROL_SOURCE (csource1)));
gst_object_add_control_binding (GST_OBJECT_CAST (src),
gst_control_binding_new (GST_OBJECT_CAST (src), "freq",
gst_control_binding_direct_new (GST_OBJECT_CAST (src), "freq",
GST_CONTROL_SOURCE (csource2)));
/* set interpolation mode */

12
tests/examples/controller/control-sources.c
View file

@ -15,6 +15,7 @@
#include <gst/gst.h>
#include <gst/controller/gstinterpolationcontrolsource.h>
#include <gst/controller/gstlfocontrolsource.h>
#include <gst/controller/gstcontrolbindingdirect.h>
/* local test element */
@ -192,7 +193,8 @@ test_interpolation (void)
tvcs = (GstTimedValueControlSource *) ics;
cs = (GstControlSource *) ics;
gst_object_add_control_binding (e, gst_control_binding_new (e, "int", cs));
gst_object_add_control_binding (e, gst_control_binding_direct_new (e, "int",
cs));
gst_timed_value_control_source_set (tvcs, 0 * GST_SECOND, 0.0);
gst_timed_value_control_source_set (tvcs, 10 * GST_SECOND, 1.0);
@ -275,7 +277,8 @@ test_lfo (void)
lfocs = gst_lfo_control_source_new ();
cs = (GstControlSource *) lfocs;
gst_object_add_control_binding (e, gst_control_binding_new (e, "int", cs));
gst_object_add_control_binding (e, gst_control_binding_direct_new (e, "int",
cs));
g_object_set (lfocs,
"frequency", (gdouble) 0.05,
@ -381,7 +384,8 @@ test_chained_lfo (void)
lfocs1 = gst_lfo_control_source_new ();
cs1 = (GstControlSource *) lfocs1;
gst_object_add_control_binding (e, gst_control_binding_new (e, "int", cs1));
gst_object_add_control_binding (e, gst_control_binding_direct_new (e, "int",
cs1));
g_object_set (lfocs1,
"waveform", GST_LFO_WAVEFORM_SINE,
@ -392,7 +396,7 @@ test_chained_lfo (void)
cs2 = (GstControlSource *) lfocs2;
gst_object_add_control_binding ((GstObject *) lfocs1,
gst_control_binding_new ((GstObject *) lfocs1, "amplitude", cs2));
gst_control_binding_direct_new ((GstObject *) lfocs1, "amplitude", cs2));
g_object_set (lfocs2,
"waveform", GST_LFO_WAVEFORM_SINE,

120
tests/examples/controller/text-color-example.c Normal file
View file

@ -0,0 +1,120 @@
/*
* text-color-example.c
*
* Builds a pipeline with [videotestsrc ! textoverlay ! ximagesink] and
* modulates color, text and text pos.
*
* Needs gst-plugin-base installed.
*/
#include <gst/gst.h>
#include <gst/controller/gstinterpolationcontrolsource.h>
#include <gst/controller/gstlfocontrolsource.h>
#include <gst/controller/gstcontrolbindingargb.h>
#include <gst/controller/gstcontrolbindingdirect.h>
gint
main (gint argc, gchar ** argv)
{
gint res = 1;
GstElement *src, *text, *sink;
GstElement *bin;
GstLFOControlSource *cs;
GstLFOControlSource *cs_r, *cs_g, *cs_b;
GstClock *clock;
GstClockID clock_id;
GstClockReturn wait_ret;
gst_init (&argc, &argv);
/* build pipeline */
bin = gst_pipeline_new ("pipeline");
clock = gst_pipeline_get_clock (GST_PIPELINE (bin));
src = gst_element_factory_make ("videotestsrc", NULL);
if (!src) {
GST_WARNING ("need videotestsrc from gst-plugins-base");
goto Error;
}
g_object_set (src, "pattern", /* checkers-8 */ 10,
NULL);
text = gst_element_factory_make ("textoverlay", NULL);
if (!text) {
GST_WARNING ("need textoverlay from gst-plugins-base");
goto Error;
}
g_object_set (text,
"text", "GStreamer rocks!",
"font-desc", "Sans, 30", "halignment", /* position */ 4,
"valignment", /* position */ 3,
NULL);
sink = gst_element_factory_make ("ximagesink", NULL);
if (!sink) {
GST_WARNING ("need ximagesink from gst-plugins-base");
goto Error;
}
gst_bin_add_many (GST_BIN (bin), src, text, sink, NULL);
if (!gst_element_link_many (src, text, sink, NULL)) {
GST_WARNING ("can't link elements");
goto Error;
}
/* setup control sources */
cs = gst_lfo_control_source_new ();
g_object_set (cs,
"frequency", (gdouble) 0.11,
"amplitude", (gdouble) 0.2, "offset", (gdouble) 0.5, NULL);
gst_object_add_control_binding (GST_OBJECT_CAST (text),
gst_control_binding_direct_new (GST_OBJECT_CAST (text), "xpos",
GST_CONTROL_SOURCE (cs)));
gst_object_unref (cs);
cs = gst_lfo_control_source_new ();
g_object_set (cs,
"frequency", (gdouble) 0.04,
"amplitude", (gdouble) 0.4, "offset", (gdouble) 0.5, NULL);
gst_object_add_control_binding (GST_OBJECT_CAST (text),
gst_control_binding_direct_new (GST_OBJECT_CAST (text), "ypos",
GST_CONTROL_SOURCE (cs)));
gst_object_unref (cs);
cs_r = gst_lfo_control_source_new ();
g_object_set (cs_r,
"frequency", (gdouble) 0.19,
"amplitude", (gdouble) 0.5, "offset", (gdouble) 0.5, NULL);
cs_g = gst_lfo_control_source_new ();
g_object_set (cs_g,
"frequency", (gdouble) 0.27,
"amplitude", (gdouble) 0.5, "offset", (gdouble) 0.5, NULL);
cs_b = gst_lfo_control_source_new ();
g_object_set (cs_b,
"frequency", (gdouble) 0.13,
"amplitude", (gdouble) 0.5, "offset", (gdouble) 0.5, NULL);
gst_object_add_control_binding (GST_OBJECT_CAST (text),
gst_control_binding_argb_new (GST_OBJECT_CAST (text), "color", NULL,
GST_CONTROL_SOURCE (cs_r), GST_CONTROL_SOURCE (cs_g),
GST_CONTROL_SOURCE (cs_b)));
gst_object_unref (cs_r);
gst_object_unref (cs_g);
gst_object_unref (cs_b);
/* run for 10 seconds */
clock_id =
gst_clock_new_single_shot_id (clock,
gst_clock_get_time (clock) + (30 * GST_SECOND));
if (gst_element_set_state (bin, GST_STATE_PLAYING)) {
if ((wait_ret = gst_clock_id_wait (clock_id, NULL)) != GST_CLOCK_OK) {
GST_WARNING ("clock_id_wait returned: %d", wait_ret);
}
gst_element_set_state (bin, GST_STATE_NULL);
}
/* cleanup */
gst_clock_id_unref (clock_id);
gst_object_unref (G_OBJECT (clock));
gst_object_unref (G_OBJECT (bin));
res = 0;
Error:
return (res);
}

2
win32/common/libgstreamer.def
View file

@ -254,12 +254,10 @@ EXPORTS
gst_clock_single_shot_id_reinit
gst_clock_type_get_type
gst_clock_unadjust_unlocked
gst_control_binding_get_control_source
gst_control_binding_get_type
gst_control_binding_get_value
gst_control_binding_get_value_array
gst_control_binding_is_disabled
gst_control_binding_new
gst_control_binding_set_disabled
gst_control_binding_sync_values
gst_control_source_get_type