--- /dev/null
+/*
+ * gstvaapisubpicture.c - VA subpicture abstraction
+ *
+ * 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
+ */
+
+#include "config.h"
+#include <string.h>
+#include "vaapi_utils.h"
+#include "gstvaapisubpicture.h"
+#include <va/va_backend.h>
+
+#define DEBUG 1
+#include "vaapi_debug.h"
+
+G_DEFINE_TYPE(GstVaapiSubpicture, gst_vaapi_subpicture, G_TYPE_OBJECT);
+
+#define GST_VAAPI_SUBPICTURE_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE((obj), \
+ GST_VAAPI_TYPE_SUBPICTURE, \
+ GstVaapiSubpicturePrivate))
+
+struct _GstVaapiSubpicturePrivate {
+ VASubpictureID subpicture_id;
+ GstVaapiImage *image;
+};
+
+enum {
+ PROP_0,
+
+ PROP_SUBPICTURE_ID,
+ PROP_IMAGE
+};
+
+static void
+gst_vaapi_subpicture_destroy(GstVaapiSubpicture *subpicture)
+{
+ GstVaapiSubpicturePrivate * const priv = subpicture->priv;
+ GstVaapiDisplay *display;
+ VAStatus status;
+
+ if (priv->subpicture_id != VA_INVALID_ID) {
+ display = gst_vaapi_image_get_display(priv->image);
+ if (display) {
+ status = vaDestroySubpicture(
+ gst_vaapi_display_get_display(display),
+ priv->subpicture_id
+ );
+ g_object_unref(display);
+ if (!vaapi_check_status(status, "vaDestroySubpicture()"))
+ g_warning("failed to destroy subpicture 0x%08x\n",
+ priv->subpicture_id);
+ }
+ priv->subpicture_id = VA_INVALID_ID;
+ }
+
+ if (priv->image) {
+ g_object_unref(priv->image);
+ priv->image = NULL;
+ }
+}
+
+static gboolean
+gst_vaapi_subpicture_create(GstVaapiSubpicture *subpicture)
+{
+ GstVaapiSubpicturePrivate * const priv = subpicture->priv;
+ GstVaapiDisplay *display;
+ VASubpictureID subpicture_id;
+ VAStatus status;
+
+ if (!priv->image)
+ return FALSE;
+
+ display = gst_vaapi_image_get_display(priv->image);
+ if (!display)
+ return FALSE;
+
+ status = vaCreateSubpicture(
+ gst_vaapi_display_get_display(display),
+ gst_vaapi_image_get_id(priv->image),
+ &subpicture_id
+ );
+ g_object_unref(display);
+ if (!vaapi_check_status(status, "vaCreateSubpicture()"))
+ return FALSE;
+
+ priv->subpicture_id = subpicture_id;
+ return TRUE;
+}
+
+static void
+gst_vaapi_subpicture_finalize(GObject *object)
+{
+ gst_vaapi_subpicture_destroy(GST_VAAPI_SUBPICTURE(object));
+
+ G_OBJECT_CLASS(gst_vaapi_subpicture_parent_class)->finalize(object);
+}
+
+static void
+gst_vaapi_subpicture_set_property(
+ GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec
+)
+{
+ GstVaapiSubpicture * const subpicture = GST_VAAPI_SUBPICTURE(object);
+
+ switch (prop_id) {
+ case PROP_IMAGE:
+ subpicture->priv->image = g_object_ref(g_value_get_object(value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_vaapi_subpicture_get_property(
+ GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec
+)
+{
+ GstVaapiSubpicture * const subpicture = GST_VAAPI_SUBPICTURE(object);
+
+ switch (prop_id) {
+ case PROP_SUBPICTURE_ID:
+ g_value_set_uint(value, gst_vaapi_subpicture_get_id(subpicture));
+ break;
+ case PROP_IMAGE:
+ g_value_set_object(value, gst_vaapi_subpicture_get_image(subpicture));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+ break;
+ }
+}
+
+static GObject *
+gst_vaapi_subpicture_constructor(
+ GType type,
+ guint n_params,
+ GObjectConstructParam *params
+)
+{
+ GstVaapiSubpicture *subpicture;
+ GObjectClass *parent_class;
+ GObject *object;
+
+ D(bug("gst_vaapi_subpicture_constructor()\n"));
+
+ parent_class = G_OBJECT_CLASS(gst_vaapi_subpicture_parent_class);
+ object = parent_class->constructor (type, n_params, params);
+
+ if (object) {
+ subpicture = GST_VAAPI_SUBPICTURE(object);
+ if (!gst_vaapi_subpicture_create(subpicture)) {
+ gst_vaapi_subpicture_destroy(subpicture);
+ object = NULL;
+ }
+ }
+ return object;
+}
+
+static void
+gst_vaapi_subpicture_class_init(GstVaapiSubpictureClass *klass)
+{
+ GObjectClass * const object_class = G_OBJECT_CLASS(klass);
+
+ g_type_class_add_private(klass, sizeof(GstVaapiSubpicturePrivate));
+
+ object_class->finalize = gst_vaapi_subpicture_finalize;
+ object_class->set_property = gst_vaapi_subpicture_set_property;
+ object_class->get_property = gst_vaapi_subpicture_get_property;
+ object_class->constructor = gst_vaapi_subpicture_constructor;
+
+ g_object_class_install_property
+ (object_class,
+ PROP_SUBPICTURE_ID,
+ g_param_spec_uint("id",
+ "VA subpicture id",
+ "VA subpicture id",
+ 0, G_MAXUINT32, VA_INVALID_ID,
+ G_PARAM_READABLE));
+
+ g_object_class_install_property
+ (object_class,
+ PROP_IMAGE,
+ g_param_spec_object("image",
+ "image",
+ "GStreamer VA image",
+ GST_VAAPI_TYPE_IMAGE,
+ G_PARAM_READWRITE));
+}
+
+static void
+gst_vaapi_subpicture_init(GstVaapiSubpicture *subpicture)
+{
+ GstVaapiSubpicturePrivate *priv = GST_VAAPI_SUBPICTURE_GET_PRIVATE(subpicture);
+
+ D(bug("gst_vaapi_subpicture_init()\n"));
+
+ subpicture->priv = priv;
+ priv->subpicture_id = VA_INVALID_ID;
+ priv->image = NULL;
+}
+
+GstVaapiSubpicture *
+gst_vaapi_subpicture_new(GstVaapiImage *image)
+{
+ D(bug("gst_vaapi_subpicture_new(): image 0x%08x\n",
+ gst_vaapi_image_get_id(image)));
+
+ return g_object_new(GST_VAAPI_TYPE_SUBPICTURE,
+ "image", image,
+ NULL);
+}
+
+VASubpictureID
+gst_vaapi_subpicture_get_id(GstVaapiSubpicture *subpicture)
+{
+ g_return_val_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture), VA_INVALID_ID);
+
+ return subpicture->priv->subpicture_id;
+}
+
+GstVaapiImage *
+gst_vaapi_subpicture_get_image(GstVaapiSubpicture *subpicture)
+{
+ g_return_val_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture), NULL);
+
+ return g_object_ref(subpicture->priv->image);
+}
+
+void
+gst_vaapi_subpicture_set_image(
+ GstVaapiSubpicture *subpicture,
+ GstVaapiImage *image
+)
+{
+ g_return_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture));
+ g_return_if_fail(GST_VAAPI_IS_IMAGE(image));
+
+ gst_vaapi_subpicture_destroy(subpicture);
+
+ subpicture->priv->image = g_object_ref(image);
+ gst_vaapi_subpicture_create(subpicture);
+}
--- /dev/null
+/*
+ * gstvaapisubpicture.h - VA subpicture abstraction
+ *
+ * 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
+ */
+
+#ifndef GST_VAAPI_SUBPICTURE_H
+#define GST_VAAPI_SUBPICTURE_H
+
+#include <gst/vaapi/gstvaapidisplay.h>
+#include <gst/vaapi/gstvaapiimage.h>
+
+G_BEGIN_DECLS
+
+#define GST_VAAPI_TYPE_SUBPICTURE \
+ (gst_vaapi_subpicture_get_type())
+
+#define GST_VAAPI_SUBPICTURE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj), \
+ GST_VAAPI_TYPE_SUBPICTURE, \
+ GstVaapiSubpicture))
+
+#define GST_VAAPI_SUBPICTURE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass), \
+ GST_VAAPI_TYPE_SUBPICTURE, \
+ GstVaapiSubpictureClass))
+
+#define GST_VAAPI_IS_SUBPICTURE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_SUBPICTURE))
+
+#define GST_VAAPI_IS_SUBPICTURE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_SUBPICTURE))
+
+#define GST_VAAPI_SUBPICTURE_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS((obj), \
+ GST_VAAPI_TYPE_SUBPICTURE, \
+ GstVaapiSubpicture))
+
+typedef struct _GstVaapiSubpicture GstVaapiSubpicture;
+typedef struct _GstVaapiSubpicturePrivate GstVaapiSubpicturePrivate;
+typedef struct _GstVaapiSubpictureClass GstVaapiSubpictureClass;
+
+struct _GstVaapiSubpicture {
+ /*< private >*/
+ GObject parent_instance;
+
+ GstVaapiSubpicturePrivate *priv;
+};
+
+struct _GstVaapiSubpictureClass {
+ /*< private >*/
+ GObjectClass parent_class;
+};
+
+GType
+gst_vaapi_subpicture_get_type(void);
+
+GstVaapiSubpicture *
+gst_vaapi_subpicture_new(GstVaapiImage *image);
+
+VASubpictureID
+gst_vaapi_subpicture_get_id(GstVaapiSubpicture *subpicture);
+
+GstVaapiImage *
+gst_vaapi_subpicture_get_image(GstVaapiSubpicture *subpicture);
+
+void
+gst_vaapi_subpicture_set_image(
+ GstVaapiSubpicture *subpicture,
+ GstVaapiImage *image
+);
+
+G_END_DECLS
+
+#endif /* GST_VAAPI_SUBPICTURE_H */