2014-02-13 10:59:45 +00:00
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/* GStreamer Wayland video sink
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*
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* Copyright (C) 2011 Intel Corporation
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* Copyright (C) 2011 Sreerenj Balachandran <sreerenj.balachandran@intel.com>
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* Copyright (C) 2014 Collabora Ltd.
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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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2014-02-13 12:15:31 +00:00
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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2014-02-13 10:59:45 +00:00
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#include "wlwindow.h"
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2014-07-01 08:43:20 +00:00
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#include "wlshmallocator.h"
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#include "wlbuffer.h"
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2014-02-13 10:59:45 +00:00
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2014-02-13 12:28:40 +00:00
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GST_DEBUG_CATEGORY_EXTERN (gstwayland_debug);
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#define GST_CAT_DEFAULT gstwayland_debug
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2014-02-13 10:59:45 +00:00
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G_DEFINE_TYPE (GstWlWindow, gst_wl_window, G_TYPE_OBJECT);
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static void gst_wl_window_finalize (GObject * gobject);
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static void
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handle_ping (void *data, struct wl_shell_surface *shell_surface,
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uint32_t serial)
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{
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wl_shell_surface_pong (shell_surface, serial);
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}
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static void
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handle_configure (void *data, struct wl_shell_surface *shell_surface,
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uint32_t edges, int32_t width, int32_t height)
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{
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}
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static void
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handle_popup_done (void *data, struct wl_shell_surface *shell_surface)
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{
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}
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static const struct wl_shell_surface_listener shell_surface_listener = {
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handle_ping,
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handle_configure,
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handle_popup_done
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};
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static void
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gst_wl_window_class_init (GstWlWindowClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = gst_wl_window_finalize;
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}
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static void
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gst_wl_window_init (GstWlWindow * self)
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{
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}
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static void
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gst_wl_window_finalize (GObject * gobject)
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{
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GstWlWindow *self = GST_WL_WINDOW (gobject);
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2016-09-15 18:10:02 +00:00
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if (self->shell_surface)
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2014-02-13 10:59:45 +00:00
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wl_shell_surface_destroy (self->shell_surface);
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2016-09-15 18:10:02 +00:00
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if (self->video_viewport)
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wp_viewport_destroy (self->video_viewport);
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2014-07-01 08:43:20 +00:00
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wl_subsurface_destroy (self->video_subsurface);
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wl_surface_destroy (self->video_surface);
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2014-05-23 15:18:32 +00:00
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2016-09-15 18:10:02 +00:00
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if (self->area_subsurface)
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2014-07-01 08:43:20 +00:00
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wl_subsurface_destroy (self->area_subsurface);
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2016-09-15 18:10:02 +00:00
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if (self->area_viewport)
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wp_viewport_destroy (self->area_viewport);
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2014-07-01 08:43:20 +00:00
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wl_surface_destroy (self->area_surface);
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2014-05-26 09:54:10 +00:00
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2014-02-13 10:59:45 +00:00
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g_clear_object (&self->display);
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G_OBJECT_CLASS (gst_wl_window_parent_class)->finalize (gobject);
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}
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2014-05-26 09:54:10 +00:00
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static GstWlWindow *
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2014-07-01 08:43:20 +00:00
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gst_wl_window_new_internal (GstWlDisplay * display)
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2014-05-26 09:54:10 +00:00
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{
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GstWlWindow *window;
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2014-07-01 08:43:20 +00:00
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GstVideoInfo info;
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GstBuffer *buf;
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GstMapInfo mapinfo;
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struct wl_buffer *wlbuf;
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GstWlBuffer *gwlbuf;
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2014-05-26 09:54:10 +00:00
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struct wl_region *region;
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window = g_object_new (GST_TYPE_WL_WINDOW, NULL);
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window->display = g_object_ref (display);
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2014-07-01 08:43:20 +00:00
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window->area_surface = wl_compositor_create_surface (display->compositor);
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window->video_surface = wl_compositor_create_surface (display->compositor);
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wl_proxy_set_queue ((struct wl_proxy *) window->area_surface, display->queue);
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wl_proxy_set_queue ((struct wl_proxy *) window->video_surface,
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display->queue);
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/* embed video_surface in area_surface */
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window->video_subsurface =
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wl_subcompositor_get_subsurface (display->subcompositor,
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window->video_surface, window->area_surface);
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wl_subsurface_set_desync (window->video_subsurface);
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2016-09-15 18:10:02 +00:00
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if (display->viewporter) {
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window->area_viewport = wp_viewporter_get_viewport (display->viewporter,
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window->area_surface);
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window->video_viewport = wp_viewporter_get_viewport (display->viewporter,
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window->video_surface);
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}
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2014-07-01 08:43:20 +00:00
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/* draw the area_subsurface */
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gst_video_info_set_format (&info,
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/* we want WL_SHM_FORMAT_XRGB8888 */
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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GST_VIDEO_FORMAT_xRGB,
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#else
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GST_VIDEO_FORMAT_BGRx,
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#endif
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1, 1);
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buf = gst_buffer_new_allocate (gst_wl_shm_allocator_get (), info.size, NULL);
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gst_buffer_map (buf, &mapinfo, GST_MAP_WRITE);
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*((guint32 *) mapinfo.data) = 0; /* paint it black */
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gst_buffer_unmap (buf, &mapinfo);
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wlbuf =
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gst_wl_shm_memory_construct_wl_buffer (gst_buffer_peek_memory (buf, 0),
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display, &info);
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gwlbuf = gst_buffer_add_wl_buffer (buf, wlbuf, display);
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gst_wl_buffer_attach (gwlbuf, window->area_surface);
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/* at this point, the GstWlBuffer keeps the buffer
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* alive and will free it on wl_buffer::release */
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gst_buffer_unref (buf);
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2014-05-26 09:54:10 +00:00
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/* do not accept input */
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region = wl_compositor_create_region (display->compositor);
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2014-07-01 08:43:20 +00:00
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wl_surface_set_input_region (window->area_surface, region);
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wl_region_destroy (region);
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region = wl_compositor_create_region (display->compositor);
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wl_surface_set_input_region (window->video_surface, region);
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2014-05-26 09:54:10 +00:00
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wl_region_destroy (region);
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return window;
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}
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2014-02-13 10:59:45 +00:00
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GstWlWindow *
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2014-07-01 08:43:20 +00:00
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gst_wl_window_new_toplevel (GstWlDisplay * display, const GstVideoInfo * info)
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2014-02-13 10:59:45 +00:00
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{
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GstWlWindow *window;
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2014-07-01 08:43:20 +00:00
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gint width;
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2014-02-13 10:59:45 +00:00
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2014-07-01 08:43:20 +00:00
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window = gst_wl_window_new_internal (display);
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2014-05-21 10:14:15 +00:00
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2014-07-01 08:43:20 +00:00
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/* go toplevel */
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2014-02-13 10:59:45 +00:00
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window->shell_surface = wl_shell_get_shell_surface (display->shell,
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2014-07-01 08:43:20 +00:00
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window->area_surface);
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2014-02-13 10:59:45 +00:00
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if (window->shell_surface) {
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wl_shell_surface_add_listener (window->shell_surface,
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&shell_surface_listener, window);
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wl_shell_surface_set_toplevel (window->shell_surface);
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} else {
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GST_ERROR ("Unable to get wl_shell_surface");
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g_object_unref (window);
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return NULL;
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}
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2014-07-01 08:43:20 +00:00
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/* set the initial size to be the same as the reported video size */
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width =
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gst_util_uint64_scale_int_round (info->width, info->par_n, info->par_d);
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gst_wl_window_set_render_rectangle (window, 0, 0, width, info->height);
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2014-02-13 10:59:45 +00:00
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return window;
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}
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2014-05-23 15:18:32 +00:00
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GstWlWindow *
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gst_wl_window_new_in_surface (GstWlDisplay * display,
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struct wl_surface * parent)
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{
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GstWlWindow *window;
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2014-07-01 08:43:20 +00:00
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window = gst_wl_window_new_internal (display);
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2014-05-23 15:18:32 +00:00
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2014-07-01 08:43:20 +00:00
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/* embed in parent */
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window->area_subsurface =
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wl_subcompositor_get_subsurface (display->subcompositor,
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window->area_surface, parent);
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wl_subsurface_set_desync (window->area_subsurface);
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2014-05-23 15:18:32 +00:00
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return window;
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}
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2014-02-13 10:59:45 +00:00
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GstWlDisplay *
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gst_wl_window_get_display (GstWlWindow * window)
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{
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g_return_val_if_fail (window != NULL, NULL);
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return g_object_ref (window->display);
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}
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struct wl_surface *
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gst_wl_window_get_wl_surface (GstWlWindow * window)
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{
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g_return_val_if_fail (window != NULL, NULL);
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2014-07-01 08:43:20 +00:00
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return window->video_surface;
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2014-02-13 10:59:45 +00:00
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}
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2014-02-28 09:48:30 +00:00
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gboolean
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gst_wl_window_is_toplevel (GstWlWindow * window)
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{
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g_return_val_if_fail (window != NULL, FALSE);
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return (window->shell_surface != NULL);
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}
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2014-05-26 11:13:56 +00:00
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static void
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2014-07-01 08:43:20 +00:00
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gst_wl_window_resize_video_surface (GstWlWindow * window, gboolean commit)
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2014-05-26 11:13:56 +00:00
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{
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2014-12-16 12:35:14 +00:00
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GstVideoRectangle src = { 0, };
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2015-11-18 11:56:06 +00:00
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GstVideoRectangle dst = { 0, };
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2014-12-16 12:35:14 +00:00
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GstVideoRectangle res;
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2014-05-26 11:13:56 +00:00
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2014-07-01 08:43:20 +00:00
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/* center the video_subsurface inside area_subsurface */
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2014-05-26 11:13:56 +00:00
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src.w = window->video_width;
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src.h = window->video_height;
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2015-11-18 11:56:06 +00:00
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dst.w = window->render_rectangle.w;
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dst.h = window->render_rectangle.h;
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2016-09-15 18:10:02 +00:00
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if (window->video_viewport) {
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gst_video_sink_center_rect (src, dst, &res, TRUE);
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wp_viewport_set_destination (window->video_viewport, res.w, res.h);
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} else {
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gst_video_sink_center_rect (src, dst, &res, FALSE);
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}
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2014-05-26 11:13:56 +00:00
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2014-07-01 08:43:20 +00:00
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wl_subsurface_set_position (window->video_subsurface, res.x, res.y);
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2016-09-15 18:10:02 +00:00
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2014-05-26 11:13:56 +00:00
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2014-06-13 14:37:38 +00:00
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if (commit) {
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2014-07-01 08:43:20 +00:00
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wl_surface_damage (window->video_surface, 0, 0, res.w, res.h);
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wl_surface_commit (window->video_surface);
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2014-06-13 14:37:38 +00:00
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}
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2014-05-26 11:13:56 +00:00
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2014-07-24 14:53:53 +00:00
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if (gst_wl_window_is_toplevel (window)) {
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struct wl_region *region;
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region = wl_compositor_create_region (window->display->compositor);
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2014-12-16 12:35:14 +00:00
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wl_region_add (region, 0, 0, window->render_rectangle.w,
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window->render_rectangle.h);
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2014-07-24 14:53:53 +00:00
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wl_surface_set_input_region (window->area_surface, region);
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wl_region_destroy (region);
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}
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2014-05-26 11:13:56 +00:00
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/* this is saved for use in wl_surface_damage */
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window->surface_width = res.w;
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window->surface_height = res.h;
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}
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2014-02-13 10:59:45 +00:00
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void
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2014-07-01 08:43:20 +00:00
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gst_wl_window_render (GstWlWindow * window, GstWlBuffer * buffer,
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const GstVideoInfo * info)
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2014-02-13 10:59:45 +00:00
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{
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2014-07-01 08:43:20 +00:00
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if (G_UNLIKELY (info)) {
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window->video_width =
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gst_util_uint64_scale_int_round (info->width, info->par_n, info->par_d);
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window->video_height = info->height;
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2014-02-13 10:59:45 +00:00
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2014-07-01 08:43:20 +00:00
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wl_subsurface_set_sync (window->video_subsurface);
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gst_wl_window_resize_video_surface (window, FALSE);
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}
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if (G_LIKELY (buffer))
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gst_wl_buffer_attach (buffer, window->video_surface);
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else
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wl_surface_attach (window->video_surface, NULL, 0, 0);
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wl_surface_damage (window->video_surface, 0, 0, window->surface_width,
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window->surface_height);
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wl_surface_commit (window->video_surface);
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if (G_UNLIKELY (info)) {
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/* commit also the parent (area_surface) in order to change
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* the position of the video_subsurface */
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wl_surface_damage (window->area_surface, 0, 0, window->render_rectangle.w,
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window->render_rectangle.h);
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|
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|
wl_surface_commit (window->area_surface);
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|
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wl_subsurface_set_desync (window->video_subsurface);
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|
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}
|
2014-05-26 11:13:56 +00:00
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|
2014-07-01 08:43:20 +00:00
|
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|
wl_display_flush (window->display->display);
|
2014-05-26 11:13:56 +00:00
|
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|
}
|
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|
void
|
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gst_wl_window_set_render_rectangle (GstWlWindow * window, gint x, gint y,
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|
gint w, gint h)
|
|
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|
{
|
|
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|
g_return_if_fail (window != NULL);
|
|
|
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window->render_rectangle.x = x;
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window->render_rectangle.y = y;
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|
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window->render_rectangle.w = w;
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|
|
window->render_rectangle.h = h;
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|
|
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|
2014-07-01 08:43:20 +00:00
|
|
|
/* position the area inside the parent - needs a parent commit to apply */
|
|
|
|
if (window->area_subsurface)
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|
|
|
wl_subsurface_set_position (window->area_subsurface, x, y);
|
|
|
|
|
|
|
|
/* change the size of the area */
|
2016-09-15 18:10:02 +00:00
|
|
|
if (window->area_viewport)
|
|
|
|
wp_viewport_set_destination (window->area_viewport, w, h);
|
2014-07-01 08:43:20 +00:00
|
|
|
|
|
|
|
if (window->video_width != 0) {
|
|
|
|
wl_subsurface_set_sync (window->video_subsurface);
|
|
|
|
gst_wl_window_resize_video_surface (window, TRUE);
|
|
|
|
}
|
|
|
|
|
|
|
|
wl_surface_damage (window->area_surface, 0, 0, w, h);
|
|
|
|
wl_surface_commit (window->area_surface);
|
|
|
|
|
2014-05-26 11:13:56 +00:00
|
|
|
if (window->video_width != 0)
|
2014-07-01 08:43:20 +00:00
|
|
|
wl_subsurface_set_desync (window->video_subsurface);
|
2014-02-13 10:59:45 +00:00
|
|
|
}
|