--- /dev/null
+/*
+ * gstvaapitypes.h - Basic types
+ *
+ * gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+/**
+ * SECTION:gstvaapitypes
+ * @short_description: Basic types
+ */
+
+#include "config.h"
+#include <gst/gstvalue.h>
+#include <gobject/gvaluecollector.h>
+#include "gstvaapitypes.h"
+
+#if GST_VAAPI_TYPE_ID_SIZE == 4
+# define GST_VAAPI_VALUE_ID_(cvalue) ((cvalue).v_int)
+# define GST_VAAPI_VALUE_ID_CFORMAT "i"
+#elif GST_VAAPI_TYPE_ID_SIZE == 8
+# define GST_VAAPI_VALUE_ID_(cvalue) ((cvalue).v_int64)
+# define GST_VAAPI_VALUE_ID_CFORMAT "q"
+#else
+# error "unsupported GstVaapiID size"
+#endif
+#define GST_VAAPI_VALUE_ID(value) GST_VAAPI_VALUE_ID_((value)->data[0])
+
+static void
+gst_vaapi_value_id_init(GValue *value)
+{
+ GST_VAAPI_VALUE_ID(value) = 0;
+}
+
+static void
+gst_vaapi_value_id_copy(const GValue *src_value, GValue *dst_value)
+{
+ GST_VAAPI_VALUE_ID(dst_value) = GST_VAAPI_VALUE_ID(src_value);
+}
+
+static gchar *
+gst_vaapi_value_id_collect(
+ GValue *value,
+ guint n_collect_values,
+ GTypeCValue *collect_values,
+ guint collect_flags
+)
+{
+ GST_VAAPI_VALUE_ID(value) = GST_VAAPI_VALUE_ID_(collect_values[0]);
+
+ return NULL;
+}
+
+static gchar *
+gst_vaapi_value_id_lcopy(
+ const GValue *value,
+ guint n_collect_values,
+ GTypeCValue *collect_values,
+ guint collect_flags
+)
+{
+ GstVaapiID *id_p = collect_values[0].v_pointer;
+
+ if (!id_p)
+ return g_strdup_printf("value location for `%s' passed as NULL",
+ G_VALUE_TYPE_NAME(value));
+
+ *id_p = GST_VAAPI_VALUE_ID(value);
+ return NULL;
+}
+
+static GTypeInfo gst_vaapi_type_info = {
+ 0,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ NULL,
+};
+
+static GTypeFundamentalInfo gst_vaapi_type_finfo = {
+ 0
+};
+
+#define GST_VAAPI_TYPE_DEFINE(type, name) \
+GType gst_vaapi_ ## type ## _get_type(void) \
+{ \
+ static GType gst_vaapi_ ## type ## _type = 0; \
+ \
+ if (G_UNLIKELY(gst_vaapi_ ## type ## _type == 0)) { \
+ gst_vaapi_type_info.value_table = \
+ &gst_vaapi_ ## type ## _value_table; \
+ gst_vaapi_ ## type ## _type = g_type_register_fundamental( \
+ g_type_fundamental_next(), \
+ name, \
+ &gst_vaapi_type_info, \
+ &gst_vaapi_type_finfo, \
+ 0 \
+ ); \
+ } \
+ \
+ return gst_vaapi_ ## type ## _type; \
+}
+
+static const GTypeValueTable gst_vaapi_id_value_table = {
+ gst_vaapi_value_id_init,
+ NULL,
+ gst_vaapi_value_id_copy,
+ NULL,
+ GST_VAAPI_VALUE_ID_CFORMAT,
+ gst_vaapi_value_id_collect,
+ "p",
+ gst_vaapi_value_id_lcopy
+};
+
+GST_VAAPI_TYPE_DEFINE(id, "GstVaapiID");
+
+/**
+ * gst_vaapi_value_get_id:
+ * @value: a GValue initialized to #GstVaapiID
+ *
+ * Gets the integer contained in @value.
+ *
+ * Return value: the integer contained in @value
+ */
+GstVaapiID
+gst_vaapi_value_get_id(const GValue *value)
+{
+ g_return_val_if_fail(GST_VAAPI_VALUE_HOLDS_ID(value), 0);
+
+ return GST_VAAPI_VALUE_ID(value);
+}
+
+/**
+ * gst_vaapi_value_set_id:
+ * @value: a GValue initialized to #GstVaapiID
+ * @id: a #GstVaapiID
+ *
+ * Sets the integer contained in @id to @value.
+ */
+void
+gst_vaapi_value_set_id(GValue *value, GstVaapiID id)
+{
+ g_return_if_fail(GST_VAAPI_VALUE_HOLDS_ID(value));
+
+ GST_VAAPI_VALUE_ID(value) = id;
+}
/*
- * gstvaapitypes.h - Misc types
+ * gstvaapitypes.h - Basic types
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
#ifndef GST_VAAPI_TYPES_H
#define GST_VAAPI_TYPES_H
-#include <glib/gtypes.h>
+#include <glib-object.h>
G_BEGIN_DECLS
/**
+ * GstVaapiID:
+ *
+ * An integer large enough to hold a generic VA id or a pointer
+ * wherever necessary.
+ */
+#if defined(GLIB_SIZEOF_VOID_P)
+# define GST_VAAPI_TYPE_ID_SIZE GLIB_SIZEOF_VOID_P
+#elif G_MAXULONG == 0xffffffff
+# define GST_VAAPI_TYPE_ID_SIZE 4
+#elif G_MAXULONG == 0xffffffffffffffffull
+# define GST_VAAPI_TYPE_ID_SIZE 8
+#else
+# error "could not determine size of GstVaapiID"
+#endif
+#if GST_VAAPI_TYPE_ID_SIZE == 4
+typedef guint32 GstVaapiID;
+#elif GST_VAAPI_TYPE_ID_SIZE == 8
+typedef guint64 GstVaapiID;
+#else
+# error "unsupported value for GST_VAAPI_TYPE_ID_SIZE"
+#endif
+
+/**
+ * GST_VAAPI_TYPE_ID:
+ *
+ * A #GValue type that represents a VA identifier.
+ *
+ * Return value: the #GType of GstVaapiID
+ */
+#define GST_VAAPI_TYPE_ID gst_vaapi_id_get_type()
+
+/**
+ * GST_VAAPI_VALUE_HOLDS_ID:
+ * @x: the #GValue to check
+ *
+ * Checks if the given #GValue contains a #GstVaapiID value.
+ */
+#define GST_VAAPI_VALUE_HOLDS_ID(x) (G_VALUE_HOLDS((x), GST_VAAPI_TYPE_ID))
+
+GType
+gst_vaapi_id_get_type(void);
+
+GstVaapiID
+gst_vaapi_value_get_id(const GValue *value);
+
+void
+gst_vaapi_value_set_id(GValue *value, GstVaapiID id);
+
+/**
* GstVaapiPoint:
* @x: X coordinate
* @y: Y coordinate
projects / platform / upstream / gstreamer.git / commitdiff