mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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332 lines
8.9 KiB
C
332 lines
8.9 KiB
C
/*
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* gstvaapiwindow.c - VA window 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 "gstvaapiwindow.h"
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#define DEBUG 1
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#include "vaapi_debug.h"
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G_DEFINE_TYPE(GstVaapiWindow, gst_vaapi_window, G_TYPE_OBJECT);
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#define GST_VAAPI_WINDOW_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
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GST_VAAPI_TYPE_WINDOW, \
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GstVaapiWindowPrivate))
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struct _GstVaapiWindowPrivate {
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gboolean is_constructed;
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guint width;
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guint height;
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};
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enum {
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PROP_0,
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PROP_WIDTH,
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PROP_HEIGHT
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};
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static void
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gst_vaapi_window_destroy(GstVaapiWindow *window)
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{
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GST_VAAPI_WINDOW_GET_CLASS(window)->destroy(window);
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}
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static gboolean
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gst_vaapi_window_create(GstVaapiWindow *window, guint width, guint height)
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{
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if (width == 0 || height == 0)
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return FALSE;
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return GST_VAAPI_WINDOW_GET_CLASS(window)->create(window, width, height);
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}
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static void
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gst_vaapi_window_finalize(GObject *object)
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{
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gst_vaapi_window_destroy(GST_VAAPI_WINDOW(object));
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G_OBJECT_CLASS(gst_vaapi_window_parent_class)->finalize(object);
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}
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static void
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gst_vaapi_window_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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GstVaapiWindow * const window = GST_VAAPI_WINDOW(object);
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switch (prop_id) {
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case PROP_WIDTH:
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gst_vaapi_window_set_width(window, g_value_get_uint(value));
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break;
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case PROP_HEIGHT:
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gst_vaapi_window_set_height(window, g_value_get_uint(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_window_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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GstVaapiWindow * const window = GST_VAAPI_WINDOW(object);
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switch (prop_id) {
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case PROP_WIDTH:
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g_value_set_uint(value, gst_vaapi_window_get_width(window));
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break;
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case PROP_HEIGHT:
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g_value_set_uint(value, gst_vaapi_window_get_height(window));
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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_window_constructed(GObject *object)
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{
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GstVaapiWindow * const window = GST_VAAPI_WINDOW(object);
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GObjectClass *parent_class;
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window->priv->is_constructed = gst_vaapi_window_create(
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window,
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window->priv->width,
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window->priv->height
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);
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parent_class = G_OBJECT_CLASS(gst_vaapi_window_parent_class);
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if (parent_class->constructed)
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parent_class->constructed(object);
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}
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static void
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gst_vaapi_window_class_init(GstVaapiWindowClass *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(GstVaapiWindowPrivate));
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object_class->finalize = gst_vaapi_window_finalize;
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object_class->set_property = gst_vaapi_window_set_property;
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object_class->get_property = gst_vaapi_window_get_property;
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object_class->constructed = gst_vaapi_window_constructed;
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g_object_class_install_property
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(object_class,
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PROP_WIDTH,
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g_param_spec_uint("width",
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"width",
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"Width",
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1, G_MAXUINT32, 1,
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G_PARAM_READWRITE));
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g_object_class_install_property
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(object_class,
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PROP_HEIGHT,
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g_param_spec_uint("height",
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"height",
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"Height",
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1, G_MAXUINT32, 1,
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G_PARAM_READWRITE));
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}
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static void
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gst_vaapi_window_init(GstVaapiWindow *window)
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{
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GstVaapiWindowPrivate *priv = GST_VAAPI_WINDOW_GET_PRIVATE(window);
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window->priv = priv;
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priv->is_constructed = FALSE;
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priv->width = 1;
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priv->height = 1;
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}
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void
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gst_vaapi_window_show(GstVaapiWindow *window)
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{
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g_return_if_fail(GST_VAAPI_IS_WINDOW(window));
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g_return_if_fail(window->priv->is_constructed);
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GST_VAAPI_WINDOW_GET_CLASS(window)->show(window);
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}
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void
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gst_vaapi_window_hide(GstVaapiWindow *window)
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{
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g_return_if_fail(GST_VAAPI_IS_WINDOW(window));
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g_return_if_fail(window->priv->is_constructed);
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GST_VAAPI_WINDOW_GET_CLASS(window)->hide(window);
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}
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guint
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gst_vaapi_window_get_width(GstVaapiWindow *window)
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{
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g_return_val_if_fail(GST_VAAPI_IS_WINDOW(window), 0);
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g_return_val_if_fail(window->priv->is_constructed, 0);
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return window->priv->width;
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}
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guint
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gst_vaapi_window_get_height(GstVaapiWindow *window)
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{
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g_return_val_if_fail(GST_VAAPI_IS_WINDOW(window), 0);
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g_return_val_if_fail(window->priv->is_constructed, 0);
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return window->priv->height;
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}
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void
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gst_vaapi_window_get_size(GstVaapiWindow *window, guint *pwidth, guint *pheight)
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{
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g_return_if_fail(GST_VAAPI_IS_WINDOW(window));
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g_return_if_fail(window->priv->is_constructed);
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if (pwidth)
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*pwidth = window->priv->width;
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if (pheight)
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*pheight = window->priv->height;
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}
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void
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gst_vaapi_window_set_width(GstVaapiWindow *window, guint width)
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{
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g_return_if_fail(GST_VAAPI_IS_WINDOW(window));
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gst_vaapi_window_set_size(window, width, window->priv->height);
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}
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void
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gst_vaapi_window_set_height(GstVaapiWindow *window, guint height)
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{
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g_return_if_fail(GST_VAAPI_IS_WINDOW(window));
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gst_vaapi_window_set_size(window, window->priv->width, height);
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}
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void
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gst_vaapi_window_set_size(GstVaapiWindow *window, guint width, guint height)
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{
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g_return_if_fail(GST_VAAPI_IS_WINDOW(window));
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if (width == window->priv->width && height == window->priv->height)
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return;
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window->priv->width = width;
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window->priv->height = height;
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if (window->priv->is_constructed)
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GST_VAAPI_WINDOW_GET_CLASS(window)->resize(window, width, height);
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}
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static inline void
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get_surface_rect(GstVaapiSurface *surface, GstVideoRectangle *rect)
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{
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guint width, height;
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gst_vaapi_surface_get_size(surface, &width, &height);
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rect->x = 0;
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rect->y = 0;
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rect->w = width;
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rect->h = height;
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}
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static inline void
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get_window_rect(GstVaapiWindow *window, GstVideoRectangle *rect)
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{
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guint width, height;
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gst_vaapi_window_get_size(window, &width, &height);
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rect->x = 0;
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rect->y = 0;
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rect->w = width;
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rect->h = height;
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}
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gboolean
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gst_vaapi_window_put_surface(
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GstVaapiWindow *window,
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GstVaapiSurface *surface,
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guint flags
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)
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{
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GstVideoRectangle src_rect, dst_rect;
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g_return_val_if_fail(GST_VAAPI_IS_WINDOW(window), FALSE);
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g_return_val_if_fail(window->priv->is_constructed, FALSE);
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), FALSE);
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get_surface_rect(surface, &src_rect);
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get_window_rect(window, &dst_rect);
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return GST_VAAPI_WINDOW_GET_CLASS(window)->render(window,
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surface,
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&src_rect,
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&dst_rect,
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flags);
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}
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gboolean
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gst_vaapi_window_put_surface_full(
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GstVaapiWindow *window,
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GstVaapiSurface *surface,
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const GstVideoRectangle *src_rect,
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const GstVideoRectangle *dst_rect,
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guint flags
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)
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{
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GstVideoRectangle src_rect_default, dst_rect_default;
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g_return_val_if_fail(GST_VAAPI_IS_WINDOW(window), FALSE);
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g_return_val_if_fail(window->priv->is_constructed, FALSE);
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), FALSE);
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if (!src_rect) {
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src_rect = &src_rect_default;
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get_surface_rect(surface, &src_rect_default);
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}
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if (!dst_rect) {
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dst_rect = &dst_rect_default;
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get_window_rect(window, &dst_rect_default);
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}
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return GST_VAAPI_WINDOW_GET_CLASS(window)->render(window,
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surface,
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src_rect,
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dst_rect,
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flags);
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}
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