mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
Port GstVaapiObject to GstVaapiMiniObject.
This commit is contained in:
Gwenole Beauchesne
parent
6439169db5
commit
1f15c28a1b
4 changed files with 195 additions and 200 deletions
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@ -20,6 +20,7 @@ libgstvaapi_includedir = \
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$(includedir)/gstreamer-$(GST_API_VERSION)/gst/vaapi
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libgstvaapi_cflags = \
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-DGST_VAAPI_CORE \
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-DGST_USE_UNSTABLE_API \
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-I$(top_srcdir)/gst-libs \
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-I$(top_builddir)/gst-libs \
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@ -27,169 +27,117 @@
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#include "sysdeps.h"
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#include "gstvaapiobject.h"
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#include "gstvaapi_priv.h"
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#include "gstvaapiparamspecs.h"
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#include "gstvaapivalue.h"
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#include "gstvaapiobject_priv.h"
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#include "gstvaapiminiobject.h"
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#include "gstvaapidisplay_priv.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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G_DEFINE_TYPE(GstVaapiObject, gst_vaapi_object, G_TYPE_OBJECT)
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enum {
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PROP_0,
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PROP_DISPLAY,
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PROP_ID
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};
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enum {
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DESTROY,
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LAST_SIGNAL
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};
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static guint object_signals[LAST_SIGNAL] = { 0, };
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/* Ensure those symbols are actually defined in the resulting libraries */
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#undef gst_vaapi_object_ref
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#undef gst_vaapi_object_unref
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#undef gst_vaapi_object_replace
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static void
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gst_vaapi_object_dispose(GObject *object)
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gst_vaapi_object_finalize(GstVaapiObject *object)
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{
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GstVaapiObjectPrivate * const priv = GST_VAAPI_OBJECT(object)->priv;
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const GstVaapiObjectClass * const klass =
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GST_VAAPI_OBJECT_GET_CLASS(object);
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if (!priv->is_destroying) {
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priv->is_destroying = TRUE;
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g_signal_emit(object, object_signals[DESTROY], 0);
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priv->is_destroying = FALSE;
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}
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G_OBJECT_CLASS(gst_vaapi_object_parent_class)->dispose(object);
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if (klass->finalize)
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klass->finalize(object);
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g_clear_object(&object->display);
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}
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static void
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gst_vaapi_object_finalize(GObject *object)
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void
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gst_vaapi_object_class_init(GstVaapiObjectClass *klass, guint size)
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{
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GstVaapiObjectPrivate * const priv = GST_VAAPI_OBJECT(object)->priv;
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GstVaapiMiniObjectClass * const object_class =
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GST_VAAPI_MINI_OBJECT_CLASS(klass);
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priv->id = GST_VAAPI_ID_NONE;
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g_clear_object(&priv->display);
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G_OBJECT_CLASS(gst_vaapi_object_parent_class)->finalize(object);
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object_class->size = size;
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object_class->finalize = (GDestroyNotify)gst_vaapi_object_finalize;
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}
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static void
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gst_vaapi_object_set_property(
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GObject *gobject,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec
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)
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/**
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* gst_vaapi_object_new:
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* @object_class: The object class
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*
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* Creates a new #GstVaapiObject. If @object_class is NULL, then the
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* size of the allocated object is the same as sizeof(GstVaapiObject).
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* If @object_class is not NULL, typically when a sub-class is implemented,
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* that pointer shall reference a statically allocated descriptor.
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*
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* This function zero-initializes the derived object data. Also note
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* that this is an internal function that shall not be used outside of
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* libgstvaapi libraries.
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*
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* Returns: The newly allocated #GstVaapiObject
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*/
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gpointer
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gst_vaapi_object_new(const GstVaapiObjectClass *klass, GstVaapiDisplay *display)
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{
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GstVaapiObject * const object = GST_VAAPI_OBJECT(gobject);
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const GstVaapiMiniObjectClass * const object_class =
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GST_VAAPI_MINI_OBJECT_CLASS(klass);
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GstVaapiObject *object;
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guint sub_size;
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switch (prop_id) {
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case PROP_DISPLAY:
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object->priv->display = g_object_ref(g_value_get_object(value));
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break;
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case PROP_ID:
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object->priv->id = gst_vaapi_value_get_id(value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
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break;
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}
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g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
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object = (GstVaapiObject *)gst_vaapi_mini_object_new(object_class);
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if (!object)
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return NULL;
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object->display = g_object_ref(display);
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object->object_id = VA_INVALID_ID;
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sub_size = object_class->size - sizeof(*object);
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if (sub_size > 0)
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memset(((guchar *)object) + sizeof(*object), 0, sub_size);
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return object;
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}
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static void
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gst_vaapi_object_get_property(
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GObject *gobject,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec
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)
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/**
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* gst_vaapi_object_ref:
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* @object: a #GstVaapiObject
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*
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* Atomically increases the reference count of the given @object by one.
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*
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* Returns: The same @object argument
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*/
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gpointer
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gst_vaapi_object_ref(gpointer object)
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{
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GstVaapiObject * const object = GST_VAAPI_OBJECT(gobject);
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switch (prop_id) {
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case PROP_DISPLAY:
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g_value_set_object(value, gst_vaapi_object_get_display(object));
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break;
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case PROP_ID:
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gst_vaapi_value_set_id(value, gst_vaapi_object_get_id(object));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
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break;
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}
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return gst_vaapi_object_ref_internal(object);
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}
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static void
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gst_vaapi_object_class_init(GstVaapiObjectClass *klass)
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/**
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* gst_vaapi_object_unref:
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* @object: a #GstVaapiObject
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*
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* Atomically decreases the reference count of the @object by one. If
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* the reference count reaches zero, the object will be free'd.
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*/
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void
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gst_vaapi_object_unref(gpointer object)
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{
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GObjectClass * const object_class = G_OBJECT_CLASS(klass);
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g_type_class_add_private(klass, sizeof(GstVaapiObjectPrivate));
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object_class->dispose = gst_vaapi_object_dispose;
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object_class->finalize = gst_vaapi_object_finalize;
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object_class->set_property = gst_vaapi_object_set_property;
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object_class->get_property = gst_vaapi_object_get_property;
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/**
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* GstVaapiObject:display:
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*
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* The #GstVaapiDisplay this object is bound to.
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*/
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g_object_class_install_property
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(object_class,
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PROP_DISPLAY,
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g_param_spec_object("display",
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"Display",
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"The GstVaapiDisplay this object is bound to",
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GST_VAAPI_TYPE_DISPLAY,
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G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
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/**
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* GstVaapiObject:id:
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*
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* The #GstVaapiID contained in this object.
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*/
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g_object_class_install_property
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(object_class,
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PROP_ID,
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gst_vaapi_param_spec_id("id",
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"ID",
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"The GstVaapiID contained in this object",
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GST_VAAPI_ID_NONE,
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G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
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/**
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* GstVaapiObject::destroy:
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* @object: the object which received the signal
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*
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* The ::destroy signal is emitted when an object is destroyed,
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* when the user released the last reference to @object.
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*/
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object_signals[DESTROY] = g_signal_new(
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"destroy",
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G_TYPE_FROM_CLASS(object_class),
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G_SIGNAL_RUN_CLEANUP | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS,
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G_STRUCT_OFFSET(GstVaapiObjectClass, destroy),
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0
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);
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gst_vaapi_object_unref_internal(object);
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}
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static void
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gst_vaapi_object_init(GstVaapiObject *object)
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/**
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* gst_vaapi_object_replace:
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* @old_object_ptr: a pointer to a #GstVaapiObject
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* @new_object: a #GstVaapiObject
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*
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* Atomically replaces the object object held in @old_object_ptr with
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* @new_object. This means that @old_object_ptr shall reference a
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* valid object. However, @new_object can be NULL.
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*/
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void
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gst_vaapi_object_replace(gpointer old_object_ptr, gpointer new_object)
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{
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GstVaapiObjectPrivate *priv = GST_VAAPI_OBJECT_GET_PRIVATE(object);
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object->priv = priv;
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priv->display = NULL;
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priv->id = GST_VAAPI_ID_NONE;
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priv->is_destroying = FALSE;
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gst_vaapi_object_replace_internal(old_object_ptr, new_object);
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}
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/**
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@ -205,7 +153,7 @@ gst_vaapi_object_get_display(GstVaapiObject *object)
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{
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g_return_val_if_fail(GST_VAAPI_IS_OBJECT(object), NULL);
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return object->priv->display;
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return GST_VAAPI_OBJECT_DISPLAY(object);
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}
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/**
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@ -253,5 +201,5 @@ gst_vaapi_object_get_id(GstVaapiObject *object)
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{
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g_return_val_if_fail(GST_VAAPI_IS_OBJECT(object), GST_VAAPI_ID_NONE);
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return object->priv->id;
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return GST_VAAPI_OBJECT_ID(object);
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}
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@ -28,62 +28,22 @@
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_OBJECT \
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(gst_vaapi_object_get_type())
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#define GST_VAAPI_OBJECT(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_OBJECT, \
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GstVaapiObject))
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#define GST_VAAPI_OBJECT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_OBJECT, \
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GstVaapiObjectClass))
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#define GST_VAAPI_OBJECT(obj) \
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((GstVaapiObject *)(obj))
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#define GST_VAAPI_IS_OBJECT(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_OBJECT))
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#define GST_VAAPI_IS_OBJECT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_OBJECT))
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#define GST_VAAPI_OBJECT_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_OBJECT, \
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GstVaapiObjectClass))
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((obj) != NULL)
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typedef struct _GstVaapiObject GstVaapiObject;
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typedef struct _GstVaapiObjectPrivate GstVaapiObjectPrivate;
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typedef struct _GstVaapiObjectClass GstVaapiObjectClass;
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/**
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* GstVaapiObject:
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*
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* VA object base.
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*/
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struct _GstVaapiObject {
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/*< private >*/
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GObject parent_instance;
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gpointer
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gst_vaapi_object_ref(gpointer object);
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GstVaapiObjectPrivate *priv;
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};
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void
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gst_vaapi_object_unref(gpointer object);
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/**
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* GstVaapiObjectClass:
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* @destroy: signal class handler for #GstVaapiObject::destroy
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*
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* VA object base class.
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*/
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struct _GstVaapiObjectClass {
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/*< private >*/
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GObjectClass parent_class;
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/*< public >*/
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void (*destroy)(GstVaapiObject *oject);
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};
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GType
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gst_vaapi_object_get_type(void) G_GNUC_CONST;
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void
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gst_vaapi_object_replace(gpointer old_object_ptr, gpointer new_object);
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GstVaapiDisplay *
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gst_vaapi_object_get_display(GstVaapiObject *object);
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@ -24,15 +24,45 @@
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#define GST_VAAPI_OBJECT_PRIV_H
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#include <gst/vaapi/gstvaapiobject.h>
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#include "gstvaapiminiobject.h"
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#include "gstvaapidisplay_priv.h"
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G_BEGIN_DECLS
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#define GST_VAAPI_OBJECT_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
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GST_VAAPI_TYPE_OBJECT, \
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GstVaapiObjectPrivate))
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#define GST_VAAPI_OBJECT_CLASS(klass) \
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((GstVaapiObjectClass *)(klass))
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#define GST_VAAPI_OBJECT_CAST(object) ((GstVaapiObject *)(object))
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#define GST_VAAPI_IS_OBJECT_CLASS(klass) \
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((klass) != NULL)
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#define GST_VAAPI_OBJECT_GET_CLASS(object) \
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GST_VAAPI_OBJECT_CLASS(GST_VAAPI_MINI_OBJECT_GET_CLASS(object))
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typedef struct _GstVaapiObjectClass GstVaapiObjectClass;
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typedef void (*GstVaapiObjectInitFunc) (GstVaapiObject *object);
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typedef void (*GstVaapiObjectFinalizeFunc) (GstVaapiObject *object);
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#define GST_VAAPI_OBJECT_DEFINE_CLASS_WITH_CODE(TN, t_n, code) \
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static inline const GstVaapiObjectClass * \
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G_PASTE(t_n,_class)(void) \
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{ \
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static G_PASTE(TN,Class) g_class; \
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static gsize g_class_init = FALSE; \
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\
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if (g_once_init_enter(&g_class_init)) { \
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GstVaapiObjectClass * const klass = \
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GST_VAAPI_OBJECT_CLASS(&g_class); \
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gst_vaapi_object_class_init(klass, sizeof(TN)); \
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code; \
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klass->finalize = (GstVaapiObjectFinalizeFunc) \
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G_PASTE(t_n,_finalize); \
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g_once_init_leave(&g_class_init, TRUE); \
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} \
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return GST_VAAPI_OBJECT_CLASS(&g_class); \
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}
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#define GST_VAAPI_OBJECT_DEFINE_CLASS(TN, t_n) \
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GST_VAAPI_OBJECT_DEFINE_CLASS_WITH_CODE(TN, t_n, /**/)
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/**
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* GST_VAAPI_OBJECT_DISPLAY:
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@ -42,7 +72,7 @@ G_BEGIN_DECLS
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* This is an internal macro that does not do any run-time type check.
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*/
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#define GST_VAAPI_OBJECT_DISPLAY(object) \
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GST_VAAPI_OBJECT_CAST(object)->priv->display
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GST_VAAPI_OBJECT(object)->display
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/**
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* GST_VAAPI_OBJECT_ID:
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@ -52,7 +82,7 @@ G_BEGIN_DECLS
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* This is an internal macro that does not do any run-time type checks.
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*/
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#define GST_VAAPI_OBJECT_ID(object) \
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GST_VAAPI_OBJECT_CAST(object)->priv->id
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GST_VAAPI_OBJECT(object)->object_id
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/**
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* GST_VAAPI_OBJECT_DISPLAY_X11:
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@ -152,16 +182,72 @@ G_BEGIN_DECLS
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GST_VAAPI_DISPLAY_UNLOCK(GST_VAAPI_OBJECT_DISPLAY(object))
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/**
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* GstVaapiObjectPrivate:
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* GstVaapiObject:
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*
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* VA object base.
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*/
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struct _GstVaapiObjectPrivate {
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struct _GstVaapiObject {
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/*< private >*/
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GstVaapiMiniObject parent_instance;
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GstVaapiDisplay *display;
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GstVaapiID id;
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guint is_destroying : 1;
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GstVaapiID object_id;
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};
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/**
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* GstVaapiObjectClass:
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*
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* VA object base class.
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*/
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struct _GstVaapiObjectClass {
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/*< private >*/
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GstVaapiMiniObjectClass parent_class;
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GstVaapiObjectInitFunc init;
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GstVaapiObjectFinalizeFunc finalize;
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};
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void
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gst_vaapi_object_class_init(GstVaapiObjectClass *klass, guint size);
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gpointer
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gst_vaapi_object_new(const GstVaapiObjectClass *klass,
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GstVaapiDisplay *display);
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|
||||
/* Inline reference counting for core libgstvaapi library */
|
||||
#ifdef GST_VAAPI_CORE
|
||||
static inline gpointer
|
||||
gst_vaapi_object_ref_internal(gpointer object)
|
||||
{
|
||||
return gst_vaapi_mini_object_ref(object);
|
||||
}
|
||||
|
||||
static inline void
|
||||
gst_vaapi_object_unref_internal(gpointer object)
|
||||
{
|
||||
gst_vaapi_mini_object_unref(object);
|
||||
}
|
||||
|
||||
static inline void
|
||||
gst_vaapi_object_replace_internal(gpointer old_object_ptr, gpointer new_object)
|
||||
{
|
||||
gst_vaapi_mini_object_replace((GstVaapiMiniObject **)old_object_ptr,
|
||||
new_object);
|
||||
}
|
||||
|
||||
#undef gst_vaapi_object_ref
|
||||
#define gst_vaapi_object_ref(object) \
|
||||
gst_vaapi_object_ref_internal((object))
|
||||
|
||||
#undef gst_vaapi_object_unref
|
||||
#define gst_vaapi_object_unref(object) \
|
||||
gst_vaapi_object_unref_internal((object))
|
||||
|
||||
#undef gst_vaapi_object_replace
|
||||
#define gst_vaapi_object_replace(old_object_ptr, new_object) \
|
||||
gst_vaapi_object_replace_internal((old_object_ptr), (new_object))
|
||||
#endif
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* GST_VAAPI_OBJECT_PRIV_H */
|
||||
|
|
|
|||
Loading…
Reference in a new issue