mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 10:40:34 +00:00
2f0e195709
And fix a memory leak in gst_vulkan_display_wayland_new() in error cases. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3194>
154 lines
4.4 KiB
C
154 lines
4.4 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
|
|
*
|
|
* 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 St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <gst/vulkan/gstvkapi.h>
|
|
|
|
#include <gst/vulkan/xcb/gstvkdisplay_xcb.h>
|
|
#include "xcb_event_source.h"
|
|
|
|
#define GST_CAT_DEFAULT gst_vulkan_display_debug
|
|
GST_DEBUG_CATEGORY_STATIC (gst_vulkan_display_debug);
|
|
|
|
G_DEFINE_TYPE (GstVulkanDisplayXCB, gst_vulkan_display_xcb,
|
|
GST_TYPE_VULKAN_DISPLAY);
|
|
|
|
static void gst_vulkan_display_xcb_finalize (GObject * object);
|
|
static gpointer gst_vulkan_display_xcb_get_handle (GstVulkanDisplay * display);
|
|
|
|
static void
|
|
gst_vulkan_display_xcb_class_init (GstVulkanDisplayXCBClass * klass)
|
|
{
|
|
GST_VULKAN_DISPLAY_CLASS (klass)->get_handle =
|
|
GST_DEBUG_FUNCPTR (gst_vulkan_display_xcb_get_handle);
|
|
|
|
G_OBJECT_CLASS (klass)->finalize = gst_vulkan_display_xcb_finalize;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_display_xcb_init (GstVulkanDisplayXCB * display_xcb)
|
|
{
|
|
GstVulkanDisplay *display = (GstVulkanDisplay *) display_xcb;
|
|
|
|
display->type = GST_VULKAN_DISPLAY_TYPE_XCB;
|
|
display_xcb->foreign_display = FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_display_xcb_finalize (GObject * object)
|
|
{
|
|
GstVulkanDisplayXCB *display_xcb = GST_VULKAN_DISPLAY_XCB (object);
|
|
|
|
G_OBJECT_CLASS (gst_vulkan_display_xcb_parent_class)->finalize (object);
|
|
|
|
if (!display_xcb->foreign_display && display_xcb->connection)
|
|
xcb_disconnect (display_xcb->connection);
|
|
display_xcb->connection = NULL;
|
|
}
|
|
|
|
static xcb_screen_t *
|
|
_get_screen_from_connection (xcb_connection_t * connection, int screen_no)
|
|
{
|
|
const xcb_setup_t *setup;
|
|
xcb_screen_iterator_t iter;
|
|
|
|
setup = xcb_get_setup (connection);
|
|
iter = xcb_setup_roots_iterator (setup);
|
|
while (screen_no-- > 0)
|
|
xcb_screen_next (&iter);
|
|
|
|
return iter.data;
|
|
}
|
|
|
|
/**
|
|
* gst_vulkan_display_xcb_new:
|
|
* @name: (nullable): a display name
|
|
*
|
|
* Create a new #GstVulkanDisplayXCB from the xcb display name. See XOpenDisplay\()
|
|
* for details on what is a valid name.
|
|
*
|
|
* Returns: (transfer full) (nullable): a new #GstVulkanDisplayXCB or %NULL
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
GstVulkanDisplayXCB *
|
|
gst_vulkan_display_xcb_new (const gchar * name)
|
|
{
|
|
xcb_connection_t *connection;
|
|
GstVulkanDisplayXCB *ret;
|
|
int screen_no = 0;
|
|
|
|
GST_DEBUG_CATEGORY_GET (gst_vulkan_display_debug, "vulkandisplay");
|
|
|
|
connection = xcb_connect (NULL, &screen_no);
|
|
if (connection == NULL || xcb_connection_has_error (connection)) {
|
|
GST_ERROR ("Failed to open XCB display connection with name, \'%s\'", name);
|
|
return NULL;
|
|
}
|
|
|
|
ret = gst_vulkan_display_xcb_new_with_connection (connection, screen_no);
|
|
GST_VULKAN_DISPLAY (ret)->event_source = xcb_event_source_new (ret);
|
|
g_source_attach (GST_VULKAN_DISPLAY (ret)->event_source,
|
|
GST_VULKAN_DISPLAY (ret)->main_context);
|
|
ret->foreign_display = FALSE;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_vulkan_display_xcb_new_with_connection: (skip)
|
|
* @connection: an existing, xcb display
|
|
* @screen_no: XCB screen number
|
|
*
|
|
* Creates a new display connection from a XCB Display.
|
|
*
|
|
* Returns: (transfer full): a new #GstVulkanDisplayXCB
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
GstVulkanDisplayXCB *
|
|
gst_vulkan_display_xcb_new_with_connection (xcb_connection_t * connection,
|
|
int screen_no)
|
|
{
|
|
GstVulkanDisplayXCB *ret;
|
|
|
|
g_return_val_if_fail (connection != NULL, NULL);
|
|
|
|
GST_DEBUG_CATEGORY_GET (gst_vulkan_display_debug, "vulkandisplay");
|
|
|
|
ret = g_object_new (GST_TYPE_VULKAN_DISPLAY_XCB, NULL);
|
|
gst_object_ref_sink (ret);
|
|
|
|
ret->connection = connection;
|
|
ret->screen = _get_screen_from_connection (connection, screen_no);
|
|
ret->root_window = ret->screen->root;
|
|
ret->foreign_display = TRUE;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gpointer
|
|
gst_vulkan_display_xcb_get_handle (GstVulkanDisplay * display)
|
|
{
|
|
return (gpointer) GST_VULKAN_DISPLAY_XCB_CONNECTION (display);
|
|
}
|