| /* GStreamer Wayland video sink |
| * |
| * Copyright (C) 2011 Intel Corporation |
| * Copyright (C) 2011 Sreerenj Balachandran <sreerenj.balachandran@intel.com> |
| * Copyright (C) 2014 Collabora Ltd. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the Free |
| * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301 USA. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include "wlwindow.h" |
| |
| GST_DEBUG_CATEGORY_EXTERN (gstwayland_debug); |
| #define GST_CAT_DEFAULT gstwayland_debug |
| |
| G_DEFINE_TYPE (GstWlWindow, gst_wl_window, G_TYPE_OBJECT); |
| |
| static void gst_wl_window_finalize (GObject * gobject); |
| |
| static void |
| handle_ping (void *data, struct wl_shell_surface *shell_surface, |
| uint32_t serial) |
| { |
| wl_shell_surface_pong (shell_surface, serial); |
| } |
| |
| static void |
| handle_configure (void *data, struct wl_shell_surface *shell_surface, |
| uint32_t edges, int32_t width, int32_t height) |
| { |
| } |
| |
| static void |
| handle_popup_done (void *data, struct wl_shell_surface *shell_surface) |
| { |
| } |
| |
| static const struct wl_shell_surface_listener shell_surface_listener = { |
| handle_ping, |
| handle_configure, |
| handle_popup_done |
| }; |
| |
| static void |
| gst_wl_window_class_init (GstWlWindowClass * klass) |
| { |
| GObjectClass *gobject_class = G_OBJECT_CLASS (klass); |
| gobject_class->finalize = gst_wl_window_finalize; |
| } |
| |
| static void |
| gst_wl_window_init (GstWlWindow * self) |
| { |
| } |
| |
| static void |
| gst_wl_window_finalize (GObject * gobject) |
| { |
| GstWlWindow *self = GST_WL_WINDOW (gobject); |
| |
| if (self->shell_surface) { |
| wl_shell_surface_destroy (self->shell_surface); |
| } |
| |
| if (self->subsurface) { |
| wl_subsurface_destroy (self->subsurface); |
| } |
| |
| wl_viewport_destroy (self->viewport); |
| wl_surface_destroy (self->surface); |
| |
| g_clear_object (&self->display); |
| |
| G_OBJECT_CLASS (gst_wl_window_parent_class)->finalize (gobject); |
| } |
| |
| static GstWlWindow * |
| gst_wl_window_new_internal (GstWlDisplay * display, struct wl_surface *surface) |
| { |
| GstWlWindow *window; |
| struct wl_region *region; |
| |
| g_return_val_if_fail (surface != NULL, NULL); |
| |
| window = g_object_new (GST_TYPE_WL_WINDOW, NULL); |
| window->display = g_object_ref (display); |
| window->surface = surface; |
| |
| /* make sure the surface runs on our local queue */ |
| wl_proxy_set_queue ((struct wl_proxy *) surface, display->queue); |
| |
| window->viewport = wl_scaler_get_viewport (display->scaler, window->surface); |
| |
| /* do not accept input */ |
| region = wl_compositor_create_region (display->compositor); |
| wl_surface_set_input_region (surface, region); |
| wl_region_destroy (region); |
| |
| return window; |
| } |
| |
| GstWlWindow * |
| gst_wl_window_new_toplevel (GstWlDisplay * display, GstVideoInfo * video_info) |
| { |
| GstWlWindow *window; |
| |
| window = gst_wl_window_new_internal (display, |
| wl_compositor_create_surface (display->compositor)); |
| |
| gst_wl_window_set_video_info (window, video_info); |
| gst_wl_window_set_render_rectangle (window, 0, 0, window->video_width, |
| window->video_height); |
| |
| window->shell_surface = wl_shell_get_shell_surface (display->shell, |
| window->surface); |
| |
| if (window->shell_surface) { |
| wl_shell_surface_add_listener (window->shell_surface, |
| &shell_surface_listener, window); |
| wl_shell_surface_set_toplevel (window->shell_surface); |
| } else { |
| GST_ERROR ("Unable to get wl_shell_surface"); |
| |
| g_object_unref (window); |
| return NULL; |
| } |
| |
| return window; |
| } |
| |
| GstWlWindow * |
| gst_wl_window_new_in_surface (GstWlDisplay * display, |
| struct wl_surface * parent) |
| { |
| GstWlWindow *window; |
| |
| window = gst_wl_window_new_internal (display, |
| wl_compositor_create_surface (display->compositor)); |
| |
| window->subsurface = wl_subcompositor_get_subsurface (display->subcompositor, |
| window->surface, parent); |
| wl_subsurface_set_desync (window->subsurface); |
| |
| return window; |
| } |
| |
| GstWlDisplay * |
| gst_wl_window_get_display (GstWlWindow * window) |
| { |
| g_return_val_if_fail (window != NULL, NULL); |
| |
| return g_object_ref (window->display); |
| } |
| |
| struct wl_surface * |
| gst_wl_window_get_wl_surface (GstWlWindow * window) |
| { |
| g_return_val_if_fail (window != NULL, NULL); |
| |
| return window->surface; |
| } |
| |
| gboolean |
| gst_wl_window_is_toplevel (GstWlWindow * window) |
| { |
| g_return_val_if_fail (window != NULL, FALSE); |
| |
| return (window->shell_surface != NULL); |
| } |
| |
| static void |
| gst_wl_window_resize_internal (GstWlWindow * window, gboolean commit) |
| { |
| GstVideoRectangle src, res; |
| |
| src.w = window->video_width; |
| src.h = window->video_height; |
| gst_video_sink_center_rect (src, window->render_rectangle, &res, TRUE); |
| |
| if (window->subsurface) |
| wl_subsurface_set_position (window->subsurface, |
| window->render_rectangle.x + res.x, window->render_rectangle.y + res.y); |
| wl_viewport_set_destination (window->viewport, res.w, res.h); |
| |
| if (commit) { |
| wl_surface_damage (window->surface, 0, 0, res.w, res.h); |
| wl_surface_commit (window->surface); |
| } |
| |
| /* this is saved for use in wl_surface_damage */ |
| window->surface_width = res.w; |
| window->surface_height = res.h; |
| } |
| |
| void |
| gst_wl_window_set_video_info (GstWlWindow * window, GstVideoInfo * info) |
| { |
| g_return_if_fail (window != NULL); |
| |
| window->video_width = |
| gst_util_uint64_scale_int_round (info->width, info->par_n, info->par_d); |
| window->video_height = info->height; |
| |
| if (window->render_rectangle.w != 0) |
| gst_wl_window_resize_internal (window, FALSE); |
| } |
| |
| void |
| gst_wl_window_set_render_rectangle (GstWlWindow * window, gint x, gint y, |
| gint w, gint h) |
| { |
| g_return_if_fail (window != NULL); |
| |
| window->render_rectangle.x = x; |
| window->render_rectangle.y = y; |
| window->render_rectangle.w = w; |
| window->render_rectangle.h = h; |
| |
| if (window->video_width != 0) |
| gst_wl_window_resize_internal (window, TRUE); |
| } |