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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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608ce681e5
GstVaapiMiniObject and GstVaapiObject are deprecated. This is the first step to remove them by porting GstVaapiSurface as a GstMiniBuffer descendant. Signed-off-by: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
715 lines
19 KiB
C
715 lines
19 KiB
C
/*
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* gstvaapiwindow.c - VA window abstraction
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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/**
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* SECTION:gstvaapiwindow
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* @short_description: VA window abstraction
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*/
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#include "sysdeps.h"
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#include "gstvaapiwindow.h"
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#include "gstvaapiwindow_priv.h"
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#include "gstvaapidisplay_priv.h"
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#include "gstvaapisurface_priv.h"
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GST_DEBUG_CATEGORY (gst_debug_vaapi_window);
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#define GST_CAT_DEFAULT gst_debug_vaapi_window
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#define _do_init \
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GST_DEBUG_CATEGORY_INIT (gst_debug_vaapi_window, "vaapiwindow", 0, \
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"VA-API Window");
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstVaapiWindow, gst_vaapi_window,
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GST_TYPE_OBJECT, _do_init);
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enum
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{
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PROP_DISPLAY = 1,
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N_PROPERTIES
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};
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static GParamSpec *g_properties[N_PROPERTIES] = { NULL, };
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static void
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gst_vaapi_window_ensure_size (GstVaapiWindow * window)
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{
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const GstVaapiWindowClass *const klass = GST_VAAPI_WINDOW_GET_CLASS (window);
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if (!window->check_geometry)
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return;
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if (klass->get_geometry)
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klass->get_geometry (window, NULL, NULL, &window->width, &window->height);
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window->check_geometry = FALSE;
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window->is_fullscreen = (window->width == window->display_width &&
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window->height == window->display_height);
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}
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static gboolean
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ensure_filter (GstVaapiWindow * window)
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{
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GstVaapiDisplay *const display = GST_VAAPI_WINDOW_DISPLAY (window);
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/* Ensure VPP pipeline is built */
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if (window->filter)
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return TRUE;
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window->filter = gst_vaapi_filter_new (display);
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if (!window->filter)
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goto error_create_filter;
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if (!gst_vaapi_filter_set_format (window->filter, GST_VIDEO_FORMAT_NV12))
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goto error_unsupported_format;
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return TRUE;
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error_create_filter:
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{
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GST_WARNING ("failed to create VPP filter. Disabling");
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window->has_vpp = FALSE;
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return FALSE;
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}
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error_unsupported_format:
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{
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GST_ERROR ("unsupported render target format %s",
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gst_vaapi_video_format_to_string (GST_VIDEO_FORMAT_NV12));
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window->has_vpp = FALSE;
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return FALSE;
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}
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}
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static gboolean
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ensure_filter_surface_pool (GstVaapiWindow * window)
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{
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GstVaapiDisplay *const display = GST_VAAPI_WINDOW_DISPLAY (window);
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if (window->surface_pool)
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goto ensure_filter;
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/* Ensure VA surface pool is created */
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/* XXX: optimize the surface format to use. e.g. YUY2 */
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window->surface_pool = gst_vaapi_surface_pool_new (display,
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GST_VIDEO_FORMAT_NV12, window->width, window->height);
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if (!window->surface_pool) {
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GST_WARNING ("failed to create surface pool for conversion");
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return FALSE;
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}
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gst_vaapi_filter_replace (&window->filter, NULL);
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ensure_filter:
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return ensure_filter (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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gst_vaapi_display_get_size (GST_VAAPI_WINDOW_DISPLAY (window),
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&window->display_width, &window->display_height);
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if (!GST_VAAPI_WINDOW_GET_CLASS (window)->create (window, &width, &height))
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return FALSE;
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if (width != window->width || height != window->height) {
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GST_DEBUG ("backend resized window to %ux%u", width, height);
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window->width = width;
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window->height = height;
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}
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return TRUE;
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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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GstVaapiWindow *const window = GST_VAAPI_WINDOW (object);
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gst_vaapi_video_pool_replace (&window->surface_pool, NULL);
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gst_vaapi_filter_replace (&window->filter, NULL);
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gst_vaapi_display_replace (&window->display, NULL);
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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 (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVaapiWindow *const window = GST_VAAPI_WINDOW (object);
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switch (property_id) {
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case PROP_DISPLAY:
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g_assert (window->display == NULL);
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window->display = g_value_dup_object (value);
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g_assert (window->display != NULL);
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window->has_vpp = GST_VAAPI_DISPLAY_HAS_VPP (window->display);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_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 (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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GstVaapiWindow *const window = GST_VAAPI_WINDOW (object);
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switch (property_id) {
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case PROP_DISPLAY:
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g_value_set_object (value, window->display);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_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_class_init (GstVaapiWindowClass * klass)
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{
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GObjectClass *const object_class = G_OBJECT_CLASS (klass);
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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->finalize = gst_vaapi_window_finalize;
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/**
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* GstVaapiWindow:display:
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*
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* #GstVaapiDisplay to be used.
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*/
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g_properties[PROP_DISPLAY] =
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g_param_spec_object ("display", "Gst VA-API Display",
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"The VA-API display object to use", GST_TYPE_VAAPI_DISPLAY,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME);
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g_object_class_install_properties (object_class, N_PROPERTIES, g_properties);
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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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}
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GstVaapiWindow *
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gst_vaapi_window_new_internal (GType type, GstVaapiDisplay * display,
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GstVaapiID id, guint width, guint height)
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{
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GstVaapiWindow *window;
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if (id != GST_VAAPI_ID_INVALID) {
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g_return_val_if_fail (width == 0, NULL);
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g_return_val_if_fail (height == 0, NULL);
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} else {
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g_return_val_if_fail (width > 0, NULL);
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g_return_val_if_fail (height > 0, NULL);
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}
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window = g_object_new (type, "display", display, NULL);
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if (!window)
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return NULL;
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window->use_foreign_window = id != GST_VAAPI_ID_INVALID;
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GST_VAAPI_WINDOW_ID (window) = window->use_foreign_window ? id : 0;
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GST_DEBUG_OBJECT (window, "new window with id = 0x%08" G_GSIZE_MODIFIER
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"x and size %ux%u", id, width, height);
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if (!gst_vaapi_window_create (window, width, height))
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goto error;
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return window;
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/* ERRORS */
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error:
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{
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gst_object_unref (window);
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return NULL;
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}
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}
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GstVaapiSurface *
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gst_vaapi_window_vpp_convert_internal (GstVaapiWindow * window,
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GstVaapiSurface * surface, const GstVaapiRectangle * src_rect,
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const GstVaapiRectangle * dst_rect, guint flags)
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{
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GstVaapiSurface *vpp_surface = NULL;
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GstVaapiFilterStatus status;
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if (!window->has_vpp)
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return NULL;
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if (!ensure_filter_surface_pool (window))
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return NULL;
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if (src_rect)
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if (!gst_vaapi_filter_set_cropping_rectangle (window->filter, src_rect))
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return NULL;
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if (dst_rect)
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if (!gst_vaapi_filter_set_target_rectangle (window->filter, dst_rect))
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return NULL;
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/* Post-process the decoded source surface */
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vpp_surface = gst_vaapi_video_pool_get_object (window->surface_pool);
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if (!vpp_surface)
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return NULL;
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status =
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gst_vaapi_filter_process (window->filter, surface, vpp_surface, flags);
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if (status != GST_VAAPI_FILTER_STATUS_SUCCESS)
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goto error_process_filter;
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return vpp_surface;
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/* ERRORS */
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error_process_filter:
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{
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GST_ERROR ("failed to process surface %" GST_VAAPI_ID_FORMAT " (error %d)",
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GST_VAAPI_ID_ARGS (GST_VAAPI_SURFACE_ID (surface)), status);
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gst_vaapi_video_pool_put_object (window->surface_pool, vpp_surface);
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return NULL;
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}
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}
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/**
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* gst_vaapi_window_new:
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* @display: a #GstVaapiDisplay
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* @width: the requested window width, in pixels
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* @height: the requested windo height, in pixels
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*
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* Creates a window with the specified @width and @height. The window
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* will be attached to the @display and remains invisible to the user
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* until gst_vaapi_window_show() is called.
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*
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* Return value: the newly allocated #GstVaapiWindow object
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*/
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GstVaapiWindow *
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gst_vaapi_window_new (GstVaapiDisplay * display, guint width, guint height)
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{
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GstVaapiDisplayClass *dpy_class;
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g_return_val_if_fail (GST_VAAPI_IS_DISPLAY (display), NULL);
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dpy_class = GST_VAAPI_DISPLAY_GET_CLASS (display);
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if (G_UNLIKELY (!dpy_class->create_window))
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return NULL;
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return dpy_class->create_window (display, GST_VAAPI_ID_INVALID, width,
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height);
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}
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/**
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* gst_vaapi_window_replace:
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* @old_window_ptr: a pointer to a #GstVaapiWindow
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* @new_window: a #GstVaapiWindow
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*
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* Atomically replaces the window window held in @old_window_ptr with
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* @new_window. This means that @old_window_ptr shall reference a
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* valid window. However, @new_window can be NULL.
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*/
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void
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gst_vaapi_window_replace (GstVaapiWindow ** old_window_ptr,
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GstVaapiWindow * new_window)
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{
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gst_object_replace ((GstObject **) old_window_ptr, GST_OBJECT (new_window));
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}
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/**
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* gst_vaapi_window_get_display:
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* @window: a #GstVaapiWindow
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*
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* Returns the #GstVaapiDisplay this @window is bound to.
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*
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* Return value: the parent #GstVaapiDisplay object
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*/
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GstVaapiDisplay *
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gst_vaapi_window_get_display (GstVaapiWindow * window)
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{
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g_return_val_if_fail (GST_VAAPI_IS_WINDOW (window), NULL);
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return GST_VAAPI_WINDOW_DISPLAY (window);
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}
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/**
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* gst_vaapi_window_show:
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* @window: a #GstVaapiWindow
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*
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* Flags a window to be displayed. Any window that is not shown will
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* not appear on the screen.
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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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GST_VAAPI_WINDOW_GET_CLASS (window)->show (window);
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window->check_geometry = TRUE;
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}
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/**
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* gst_vaapi_window_hide:
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* @window: a #GstVaapiWindow
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*
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* Reverses the effects of gst_vaapi_window_show(), causing the window
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* to be hidden (invisible to the user).
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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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GST_VAAPI_WINDOW_GET_CLASS (window)->hide (window);
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}
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/**
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* gst_vaapi_window_get_fullscreen:
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* @window: a #GstVaapiWindow
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*
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* Retrieves whether the @window is fullscreen or not
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*
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* Return value: %TRUE if the window is fullscreen
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*/
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gboolean
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gst_vaapi_window_get_fullscreen (GstVaapiWindow * window)
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{
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g_return_val_if_fail (GST_VAAPI_IS_WINDOW (window), FALSE);
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gst_vaapi_window_ensure_size (window);
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return window->is_fullscreen;
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}
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/**
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* gst_vaapi_window_set_fullscreen:
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* @window: a #GstVaapiWindow
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* @fullscreen: %TRUE to request window to get fullscreen
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*
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* Requests to place the @window in fullscreen or unfullscreen states.
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*/
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void
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gst_vaapi_window_set_fullscreen (GstVaapiWindow * window, gboolean fullscreen)
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{
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const GstVaapiWindowClass *klass;
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g_return_if_fail (GST_VAAPI_IS_WINDOW (window));
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klass = GST_VAAPI_WINDOW_GET_CLASS (window);
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if (window->is_fullscreen != fullscreen &&
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klass->set_fullscreen && klass->set_fullscreen (window, fullscreen)) {
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window->is_fullscreen = fullscreen;
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window->check_geometry = TRUE;
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}
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}
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/**
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* gst_vaapi_window_get_width:
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* @window: a #GstVaapiWindow
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*
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* Retrieves the width of a #GstVaapiWindow.
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*
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* Return value: the width of the @window, in pixels
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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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gst_vaapi_window_ensure_size (window);
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return window->width;
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}
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/**
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* gst_vaapi_window_get_height:
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* @window: a #GstVaapiWindow
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*
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* Retrieves the height of a #GstVaapiWindow
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*
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* Return value: the height of the @window, in pixels
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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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gst_vaapi_window_ensure_size (window);
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return window->height;
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}
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/**
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* gst_vaapi_window_get_size:
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* @window: a #GstVaapiWindow
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* @width_ptr: return location for the width, or %NULL
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* @height_ptr: return location for the height, or %NULL
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*
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* Retrieves the dimensions of a #GstVaapiWindow.
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*/
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void
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gst_vaapi_window_get_size (GstVaapiWindow * window, guint * width_ptr,
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guint * height_ptr)
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{
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g_return_if_fail (GST_VAAPI_IS_WINDOW (window));
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gst_vaapi_window_ensure_size (window);
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if (width_ptr)
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*width_ptr = window->width;
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if (height_ptr)
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*height_ptr = window->height;
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}
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/**
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* gst_vaapi_window_set_width:
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* @window: a #GstVaapiWindow
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* @width: requested new width for the window, in pixels
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*
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* Resizes the @window to match the specified @width.
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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->height);
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}
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/**
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* gst_vaapi_window_set_height:
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* @window: a #GstVaapiWindow
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* @height: requested new height for the window, in pixels
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*
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* Resizes the @window to match the specified @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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{
|
|
g_return_if_fail (GST_VAAPI_IS_WINDOW (window));
|
|
|
|
gst_vaapi_window_set_size (window, window->width, height);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_window_set_size:
|
|
* @window: a #GstVaapiWindow
|
|
* @width: requested new width for the window, in pixels
|
|
* @height: requested new height for the window, in pixels
|
|
*
|
|
* Resizes the @window to match the specified @width and @height.
|
|
*/
|
|
void
|
|
gst_vaapi_window_set_size (GstVaapiWindow * window, guint width, guint height)
|
|
{
|
|
g_return_if_fail (GST_VAAPI_IS_WINDOW (window));
|
|
|
|
if (width == window->width && height == window->height)
|
|
return;
|
|
|
|
if (!GST_VAAPI_WINDOW_GET_CLASS (window)->resize (window, width, height))
|
|
return;
|
|
|
|
gst_vaapi_video_pool_replace (&window->surface_pool, NULL);
|
|
|
|
window->width = width;
|
|
window->height = height;
|
|
}
|
|
|
|
static inline void
|
|
get_surface_rect (GstVaapiSurface * surface, GstVaapiRectangle * rect)
|
|
{
|
|
rect->x = 0;
|
|
rect->y = 0;
|
|
rect->width = GST_VAAPI_SURFACE_WIDTH (surface);
|
|
rect->height = GST_VAAPI_SURFACE_HEIGHT (surface);
|
|
}
|
|
|
|
static inline void
|
|
get_window_rect (GstVaapiWindow * window, GstVaapiRectangle * rect)
|
|
{
|
|
guint width, height;
|
|
|
|
gst_vaapi_window_get_size (window, &width, &height);
|
|
rect->x = 0;
|
|
rect->y = 0;
|
|
rect->width = width;
|
|
rect->height = height;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_window_put_surface:
|
|
* @window: a #GstVaapiWindow
|
|
* @surface: a #GstVaapiSurface
|
|
* @src_rect: the sub-rectangle of the source surface to
|
|
* extract and process. If %NULL, the entire surface will be used.
|
|
* @dst_rect: the sub-rectangle of the destination
|
|
* window into which the surface is rendered. If %NULL, the entire
|
|
* window will be used.
|
|
* @flags: postprocessing flags. See #GstVaapiSurfaceRenderFlags
|
|
*
|
|
* Renders the @surface region specified by @src_rect into the @window
|
|
* region specified by @dst_rect. The @flags specify how de-interlacing
|
|
* (if needed), color space conversion, scaling and other postprocessing
|
|
* transformations are performed.
|
|
*
|
|
* Return value: %TRUE on success
|
|
*/
|
|
gboolean
|
|
gst_vaapi_window_put_surface (GstVaapiWindow * window,
|
|
GstVaapiSurface * surface,
|
|
const GstVaapiRectangle * src_rect,
|
|
const GstVaapiRectangle * dst_rect, guint flags)
|
|
{
|
|
const GstVaapiWindowClass *klass;
|
|
GstVaapiRectangle src_rect_default, dst_rect_default;
|
|
|
|
g_return_val_if_fail (GST_VAAPI_IS_WINDOW (window), FALSE);
|
|
g_return_val_if_fail (surface != NULL, FALSE);
|
|
|
|
klass = GST_VAAPI_WINDOW_GET_CLASS (window);
|
|
if (!klass->render)
|
|
return FALSE;
|
|
|
|
if (!src_rect) {
|
|
src_rect = &src_rect_default;
|
|
get_surface_rect (surface, &src_rect_default);
|
|
}
|
|
|
|
if (!dst_rect) {
|
|
dst_rect = &dst_rect_default;
|
|
get_window_rect (window, &dst_rect_default);
|
|
}
|
|
|
|
return klass->render (window, surface, src_rect, dst_rect, flags);
|
|
}
|
|
|
|
static inline void
|
|
get_pixmap_rect (GstVaapiPixmap * pixmap, GstVaapiRectangle * rect)
|
|
{
|
|
guint width, height;
|
|
|
|
gst_vaapi_pixmap_get_size (pixmap, &width, &height);
|
|
rect->x = 0;
|
|
rect->y = 0;
|
|
rect->width = width;
|
|
rect->height = height;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_window_put_pixmap:
|
|
* @window: a #GstVaapiWindow
|
|
* @pixmap: a #GstVaapiPixmap
|
|
* @src_rect: the sub-rectangle of the source pixmap to
|
|
* extract and process. If %NULL, the entire pixmap will be used.
|
|
* @dst_rect: the sub-rectangle of the destination
|
|
* window into which the pixmap is rendered. If %NULL, the entire
|
|
* window will be used.
|
|
*
|
|
* Renders the @pixmap region specified by @src_rect into the @window
|
|
* region specified by @dst_rect.
|
|
*
|
|
* Return value: %TRUE on success
|
|
*/
|
|
gboolean
|
|
gst_vaapi_window_put_pixmap (GstVaapiWindow * window,
|
|
GstVaapiPixmap * pixmap,
|
|
const GstVaapiRectangle * src_rect, const GstVaapiRectangle * dst_rect)
|
|
{
|
|
const GstVaapiWindowClass *klass;
|
|
GstVaapiRectangle src_rect_default, dst_rect_default;
|
|
|
|
g_return_val_if_fail (GST_VAAPI_IS_WINDOW (window), FALSE);
|
|
g_return_val_if_fail (pixmap != NULL, FALSE);
|
|
|
|
klass = GST_VAAPI_WINDOW_GET_CLASS (window);
|
|
if (!klass->render_pixmap)
|
|
return FALSE;
|
|
|
|
if (!src_rect) {
|
|
src_rect = &src_rect_default;
|
|
get_pixmap_rect (pixmap, &src_rect_default);
|
|
}
|
|
|
|
if (!dst_rect) {
|
|
dst_rect = &dst_rect_default;
|
|
get_window_rect (window, &dst_rect_default);
|
|
}
|
|
return klass->render_pixmap (window, pixmap, src_rect, dst_rect);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_window_reconfigure:
|
|
* @window: a #GstVaapiWindow
|
|
*
|
|
* Updates internal window size from geometry of the underlying window
|
|
* implementation if necessary.
|
|
*/
|
|
void
|
|
gst_vaapi_window_reconfigure (GstVaapiWindow * window)
|
|
{
|
|
g_return_if_fail (GST_VAAPI_IS_WINDOW (window));
|
|
|
|
window->check_geometry = TRUE;
|
|
gst_vaapi_window_ensure_size (window);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_window_unblock:
|
|
* @window: a #GstVaapiWindow
|
|
*
|
|
* Unblocks a rendering surface operation.
|
|
*/
|
|
gboolean
|
|
gst_vaapi_window_unblock (GstVaapiWindow * window)
|
|
{
|
|
const GstVaapiWindowClass *klass;
|
|
|
|
g_return_val_if_fail (GST_VAAPI_IS_WINDOW (window), FALSE);
|
|
|
|
klass = GST_VAAPI_WINDOW_GET_CLASS (window);
|
|
|
|
if (klass->unblock)
|
|
return klass->unblock (window);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_window_unblock_cancel:
|
|
* @window: a #GstVaapiWindow
|
|
*
|
|
* Cancels the previous unblock request.
|
|
*/
|
|
gboolean
|
|
gst_vaapi_window_unblock_cancel (GstVaapiWindow * window)
|
|
{
|
|
const GstVaapiWindowClass *klass;
|
|
|
|
g_return_val_if_fail (GST_VAAPI_IS_WINDOW (window), FALSE);
|
|
|
|
klass = GST_VAAPI_WINDOW_GET_CLASS (window);
|
|
|
|
if (klass->unblock_cancel)
|
|
return klass->unblock_cancel (window);
|
|
|
|
return TRUE;
|
|
}
|