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Really add VA subpicture abstraction.
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2 changed files with 354 additions and 0 deletions
265
gst-libs/gst/vaapi/gstvaapisubpicture.c
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265
gst-libs/gst/vaapi/gstvaapisubpicture.c
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/*
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* gstvaapisubpicture.c - VA subpicture abstraction
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*
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* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <string.h>
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#include "vaapi_utils.h"
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#include "gstvaapisubpicture.h"
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#include <va/va_backend.h>
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#define DEBUG 1
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#include "vaapi_debug.h"
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G_DEFINE_TYPE(GstVaapiSubpicture, gst_vaapi_subpicture, G_TYPE_OBJECT);
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#define GST_VAAPI_SUBPICTURE_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
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GST_VAAPI_TYPE_SUBPICTURE, \
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GstVaapiSubpicturePrivate))
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struct _GstVaapiSubpicturePrivate {
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VASubpictureID subpicture_id;
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GstVaapiImage *image;
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};
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enum {
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PROP_0,
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PROP_SUBPICTURE_ID,
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PROP_IMAGE
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};
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static void
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gst_vaapi_subpicture_destroy(GstVaapiSubpicture *subpicture)
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{
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GstVaapiSubpicturePrivate * const priv = subpicture->priv;
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GstVaapiDisplay *display;
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VAStatus status;
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if (priv->subpicture_id != VA_INVALID_ID) {
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display = gst_vaapi_image_get_display(priv->image);
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if (display) {
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status = vaDestroySubpicture(
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gst_vaapi_display_get_display(display),
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priv->subpicture_id
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);
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g_object_unref(display);
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if (!vaapi_check_status(status, "vaDestroySubpicture()"))
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g_warning("failed to destroy subpicture 0x%08x\n",
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priv->subpicture_id);
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}
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priv->subpicture_id = VA_INVALID_ID;
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}
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if (priv->image) {
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g_object_unref(priv->image);
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priv->image = NULL;
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}
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}
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static gboolean
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gst_vaapi_subpicture_create(GstVaapiSubpicture *subpicture)
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{
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GstVaapiSubpicturePrivate * const priv = subpicture->priv;
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GstVaapiDisplay *display;
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VASubpictureID subpicture_id;
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VAStatus status;
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if (!priv->image)
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return FALSE;
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display = gst_vaapi_image_get_display(priv->image);
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if (!display)
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return FALSE;
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status = vaCreateSubpicture(
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gst_vaapi_display_get_display(display),
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gst_vaapi_image_get_id(priv->image),
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&subpicture_id
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);
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g_object_unref(display);
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if (!vaapi_check_status(status, "vaCreateSubpicture()"))
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return FALSE;
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priv->subpicture_id = subpicture_id;
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return TRUE;
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}
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static void
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gst_vaapi_subpicture_finalize(GObject *object)
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{
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gst_vaapi_subpicture_destroy(GST_VAAPI_SUBPICTURE(object));
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G_OBJECT_CLASS(gst_vaapi_subpicture_parent_class)->finalize(object);
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}
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static void
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gst_vaapi_subpicture_set_property(
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GObject *object,
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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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GstVaapiSubpicture * const subpicture = GST_VAAPI_SUBPICTURE(object);
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switch (prop_id) {
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case PROP_IMAGE:
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subpicture->priv->image = g_object_ref(g_value_get_object(value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_vaapi_subpicture_get_property(
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GObject *object,
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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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GstVaapiSubpicture * const subpicture = GST_VAAPI_SUBPICTURE(object);
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switch (prop_id) {
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case PROP_SUBPICTURE_ID:
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g_value_set_uint(value, gst_vaapi_subpicture_get_id(subpicture));
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break;
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case PROP_IMAGE:
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g_value_set_object(value, gst_vaapi_subpicture_get_image(subpicture));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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break;
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}
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}
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static GObject *
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gst_vaapi_subpicture_constructor(
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GType type,
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guint n_params,
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GObjectConstructParam *params
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)
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{
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GstVaapiSubpicture *subpicture;
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GObjectClass *parent_class;
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GObject *object;
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D(bug("gst_vaapi_subpicture_constructor()\n"));
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parent_class = G_OBJECT_CLASS(gst_vaapi_subpicture_parent_class);
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object = parent_class->constructor (type, n_params, params);
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if (object) {
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subpicture = GST_VAAPI_SUBPICTURE(object);
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if (!gst_vaapi_subpicture_create(subpicture)) {
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gst_vaapi_subpicture_destroy(subpicture);
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object = NULL;
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}
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}
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return object;
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}
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static void
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gst_vaapi_subpicture_class_init(GstVaapiSubpictureClass *klass)
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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(GstVaapiSubpicturePrivate));
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object_class->finalize = gst_vaapi_subpicture_finalize;
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object_class->set_property = gst_vaapi_subpicture_set_property;
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object_class->get_property = gst_vaapi_subpicture_get_property;
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object_class->constructor = gst_vaapi_subpicture_constructor;
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g_object_class_install_property
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(object_class,
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PROP_SUBPICTURE_ID,
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g_param_spec_uint("id",
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"VA subpicture id",
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"VA subpicture id",
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0, G_MAXUINT32, VA_INVALID_ID,
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G_PARAM_READABLE));
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g_object_class_install_property
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(object_class,
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PROP_IMAGE,
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g_param_spec_object("image",
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"image",
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"GStreamer VA image",
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GST_VAAPI_TYPE_IMAGE,
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G_PARAM_READWRITE));
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}
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static void
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gst_vaapi_subpicture_init(GstVaapiSubpicture *subpicture)
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{
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GstVaapiSubpicturePrivate *priv = GST_VAAPI_SUBPICTURE_GET_PRIVATE(subpicture);
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D(bug("gst_vaapi_subpicture_init()\n"));
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subpicture->priv = priv;
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priv->subpicture_id = VA_INVALID_ID;
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priv->image = NULL;
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}
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GstVaapiSubpicture *
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gst_vaapi_subpicture_new(GstVaapiImage *image)
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{
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D(bug("gst_vaapi_subpicture_new(): image 0x%08x\n",
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gst_vaapi_image_get_id(image)));
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return g_object_new(GST_VAAPI_TYPE_SUBPICTURE,
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"image", image,
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NULL);
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}
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VASubpictureID
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gst_vaapi_subpicture_get_id(GstVaapiSubpicture *subpicture)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture), VA_INVALID_ID);
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return subpicture->priv->subpicture_id;
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}
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GstVaapiImage *
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gst_vaapi_subpicture_get_image(GstVaapiSubpicture *subpicture)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture), NULL);
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return g_object_ref(subpicture->priv->image);
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}
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void
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gst_vaapi_subpicture_set_image(
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GstVaapiSubpicture *subpicture,
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GstVaapiImage *image
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)
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{
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g_return_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture));
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g_return_if_fail(GST_VAAPI_IS_IMAGE(image));
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gst_vaapi_subpicture_destroy(subpicture);
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subpicture->priv->image = g_object_ref(image);
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gst_vaapi_subpicture_create(subpicture);
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}
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89
gst-libs/gst/vaapi/gstvaapisubpicture.h
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89
gst-libs/gst/vaapi/gstvaapisubpicture.h
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@ -0,0 +1,89 @@
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/*
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* gstvaapisubpicture.h - VA subpicture abstraction
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*
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* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef GST_VAAPI_SUBPICTURE_H
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#define GST_VAAPI_SUBPICTURE_H
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapiimage.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_SUBPICTURE \
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(gst_vaapi_subpicture_get_type())
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#define GST_VAAPI_SUBPICTURE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_SUBPICTURE, \
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GstVaapiSubpicture))
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#define GST_VAAPI_SUBPICTURE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_SUBPICTURE, \
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GstVaapiSubpictureClass))
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#define GST_VAAPI_IS_SUBPICTURE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_SUBPICTURE))
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#define GST_VAAPI_IS_SUBPICTURE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_SUBPICTURE))
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#define GST_VAAPI_SUBPICTURE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_SUBPICTURE, \
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GstVaapiSubpicture))
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typedef struct _GstVaapiSubpicture GstVaapiSubpicture;
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typedef struct _GstVaapiSubpicturePrivate GstVaapiSubpicturePrivate;
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typedef struct _GstVaapiSubpictureClass GstVaapiSubpictureClass;
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struct _GstVaapiSubpicture {
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/*< private >*/
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GObject parent_instance;
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GstVaapiSubpicturePrivate *priv;
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};
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struct _GstVaapiSubpictureClass {
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/*< private >*/
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GObjectClass parent_class;
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};
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GType
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gst_vaapi_subpicture_get_type(void);
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GstVaapiSubpicture *
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gst_vaapi_subpicture_new(GstVaapiImage *image);
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VASubpictureID
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gst_vaapi_subpicture_get_id(GstVaapiSubpicture *subpicture);
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GstVaapiImage *
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gst_vaapi_subpicture_get_image(GstVaapiSubpicture *subpicture);
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void
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gst_vaapi_subpicture_set_image(
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GstVaapiSubpicture *subpicture,
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GstVaapiImage *image
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);
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G_END_DECLS
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#endif /* GST_VAAPI_SUBPICTURE_H */
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