gstreamer/gst-libs/gst/vaapi/gstvaapiwindow_wayland.c

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/*
* gstvaapiwindow_wayland.c - VA/Wayland window abstraction
*
* Copyright (C) 2012-2013 Intel Corporation
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
/**
* SECTION:gstvaapiwindow_wayland
* @short_description: VA/Wayland window abstraction
*/
#include "sysdeps.h"
#include "gstvaapicompat.h"
#include "gstvaapisurface_priv.h"
#include "gstvaapiwindow_wayland.h"
#include "gstvaapiwindow_priv.h"
#include "gstvaapidisplay_wayland.h"
#include "gstvaapidisplay_wayland_priv.h"
#include "gstvaapiutils.h"
#include "gstvaapifilter.h"
#include "gstvaapisurfacepool.h"
GST_DEBUG_CATEGORY_EXTERN (gst_debug_vaapi_window);
#define GST_CAT_DEFAULT gst_debug_vaapi_window
#define GST_VAAPI_WINDOW_WAYLAND_CAST(obj) \
((GstVaapiWindowWayland *)(obj))
#define GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE(obj) \
gst_vaapi_window_wayland_get_instance_private (GST_VAAPI_WINDOW_WAYLAND_CAST (obj))
#define GST_VAAPI_WINDOW_WAYLAND_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VAAPI_WINDOW_WAYLAND, GstVaapiWindowWaylandClass))
typedef struct _GstVaapiWindowWaylandPrivate GstVaapiWindowWaylandPrivate;
typedef struct _GstVaapiWindowWaylandClass GstVaapiWindowWaylandClass;
typedef struct _FrameState FrameState;
struct _FrameState
{
GstVaapiWindow *window;
GstVaapiSurface *surface;
GstVaapiVideoPool *surface_pool;
struct wl_callback *callback;
gboolean done;
};
static FrameState *
frame_state_new (GstVaapiWindow * window)
{
FrameState *frame;
frame = g_slice_new (FrameState);
if (!frame)
return NULL;
frame->window = window;
frame->surface = NULL;
frame->surface_pool = NULL;
frame->callback = NULL;
frame->done = FALSE;
return frame;
}
static void
frame_state_free (FrameState * frame)
{
if (!frame)
return;
if (frame->surface) {
if (frame->surface_pool)
gst_vaapi_video_pool_put_object (frame->surface_pool, frame->surface);
frame->surface = NULL;
}
gst_vaapi_video_pool_replace (&frame->surface_pool, NULL);
g_clear_pointer (&frame->callback, wl_callback_destroy);
g_slice_free (FrameState, frame);
}
struct _GstVaapiWindowWaylandPrivate
{
struct xdg_surface *xdg_surface;
struct xdg_toplevel *xdg_toplevel;
struct wl_shell_surface *wl_shell_surface;
struct wl_surface *surface;
struct wl_region *opaque_region;
struct wl_event_queue *event_queue;
FrameState *last_frame;
GstPoll *poll;
GstPollFD pollfd;
guint is_shown:1;
guint fullscreen_on_show:1;
guint sync_failed:1;
volatile guint num_frames_pending;
gint configure_pending;
gboolean need_vpp;
};
/**
* GstVaapiWindowWayland:
*
* A Wayland window abstraction.
*/
struct _GstVaapiWindowWayland
{
/*< private > */
GstVaapiWindow parent_instance;
};
/**
* GstVaapiWindowWaylandClass:
*
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* An Wayland Window wrapper class.
*/
struct _GstVaapiWindowWaylandClass
{
/*< private > */
GstVaapiWindowClass parent_class;
};
G_DEFINE_TYPE_WITH_PRIVATE (GstVaapiWindowWayland, gst_vaapi_window_wayland,
GST_TYPE_VAAPI_WINDOW);
/* Object signals */
enum
{
SIZE_CHANGED,
N_SIGNALS
};
static guint signals[N_SIGNALS];
static void
handle_xdg_toplevel_configure (void *data, struct xdg_toplevel *xdg_toplevel,
int32_t width, int32_t height, struct wl_array *states)
{
GstVaapiWindow *window = GST_VAAPI_WINDOW (data);
const uint32_t *state;
GST_DEBUG ("Got XDG-toplevel::reconfigure, [width x height] = [%d x %d]",
width, height);
wl_array_for_each (state, states) {
switch (*state) {
case XDG_TOPLEVEL_STATE_FULLSCREEN:
case XDG_TOPLEVEL_STATE_MAXIMIZED:
case XDG_TOPLEVEL_STATE_RESIZING:
case XDG_TOPLEVEL_STATE_ACTIVATED:
break;
}
}
if (width > 0 && height > 0) {
gst_vaapi_window_set_size (window, width, height);
g_signal_emit (window, signals[SIZE_CHANGED], 0, width, height);
}
}
static void
handle_xdg_toplevel_close (void *data, struct xdg_toplevel *xdg_toplevel)
{
}
static const struct xdg_toplevel_listener xdg_toplevel_listener = {
handle_xdg_toplevel_configure,
handle_xdg_toplevel_close,
};
static gboolean gst_vaapi_window_wayland_sync (GstVaapiWindow * window);
static gboolean
gst_vaapi_window_wayland_show (GstVaapiWindow * window)
{
GstVaapiWindowWaylandPrivate *priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
if (priv->xdg_surface == NULL) {
GST_FIXME ("GstVaapiWindowWayland::show() unimplemented for wl_shell");
return TRUE;
}
if (priv->xdg_toplevel != NULL) {
GST_DEBUG ("XDG toplevel already mapped");
return TRUE;
}
g_atomic_int_set (&priv->configure_pending, 1);
g_atomic_int_inc (&priv->num_frames_pending);
/* Create a toplevel window out of it */
priv->xdg_toplevel = xdg_surface_get_toplevel (priv->xdg_surface);
g_return_val_if_fail (priv->xdg_toplevel, FALSE);
xdg_toplevel_set_title (priv->xdg_toplevel, "VA-API Wayland window");
wl_proxy_set_queue ((struct wl_proxy *) priv->xdg_toplevel,
priv->event_queue);
xdg_toplevel_add_listener (priv->xdg_toplevel, &xdg_toplevel_listener,
window);
/* Commit the xdg_surface state as top-level window */
wl_surface_commit (priv->surface);
return gst_vaapi_window_wayland_sync (window);
}
static gboolean
gst_vaapi_window_wayland_hide (GstVaapiWindow * window)
{
GstVaapiWindowWaylandPrivate *priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
if (priv->xdg_surface == NULL) {
GST_FIXME ("GstVaapiWindowWayland::hide() unimplemented for wl_shell");
return TRUE;
}
if (priv->xdg_toplevel != NULL) {
g_clear_pointer (&priv->xdg_toplevel, xdg_toplevel_destroy);
wl_surface_commit (priv->surface);
}
return TRUE;
}
static gboolean
gst_vaapi_window_wayland_sync (GstVaapiWindow * window)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
struct wl_display *const wl_display =
GST_VAAPI_WINDOW_NATIVE_DISPLAY (window);
if (priv->sync_failed)
return FALSE;
if (priv->pollfd.fd < 0) {
priv->pollfd.fd = wl_display_get_fd (wl_display);
gst_poll_add_fd (priv->poll, &priv->pollfd);
gst_poll_fd_ctl_read (priv->poll, &priv->pollfd, TRUE);
}
while (g_atomic_int_get (&priv->num_frames_pending) > 0) {
while (wl_display_prepare_read_queue (wl_display, priv->event_queue) < 0) {
if (wl_display_dispatch_queue_pending (wl_display, priv->event_queue) < 0)
goto error;
}
if (wl_display_flush (wl_display) < 0)
goto error;
if (g_atomic_int_get (&priv->num_frames_pending) == 0) {
wl_display_cancel_read (wl_display);
return TRUE;
}
again:
if (gst_poll_wait (priv->poll, GST_CLOCK_TIME_NONE) < 0) {
int saved_errno = errno;
if (saved_errno == EAGAIN || saved_errno == EINTR)
goto again;
wl_display_cancel_read (wl_display);
if (saved_errno == EBUSY) /* flushing */
return FALSE;
else
goto error;
}
if (wl_display_read_events (wl_display) < 0)
goto error;
if (wl_display_dispatch_queue_pending (wl_display, priv->event_queue) < 0)
goto error;
}
return TRUE;
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/* ERRORS */
error:
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{
priv->sync_failed = TRUE;
GST_ERROR ("Error on dispatching events: %s", g_strerror (errno));
return FALSE;
}
}
static void
handle_ping (void *data, struct wl_shell_surface *wl_shell_surface,
uint32_t serial)
{
wl_shell_surface_pong (wl_shell_surface, serial);
}
static void
handle_configure (void *data, struct wl_shell_surface *wl_shell_surface,
uint32_t edges, int32_t width, int32_t height)
{
}
static void
handle_popup_done (void *data, struct wl_shell_surface *wl_shell_surface)
{
}
static const struct wl_shell_surface_listener shell_surface_listener = {
handle_ping,
handle_configure,
handle_popup_done
};
static void
handle_xdg_surface_configure (void *data, struct xdg_surface *xdg_surface,
uint32_t serial)
{
GstVaapiWindow *window = GST_VAAPI_WINDOW (data);
GstVaapiWindowWaylandPrivate *priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
xdg_surface_ack_configure (xdg_surface, serial);
if (g_atomic_int_compare_and_exchange (&priv->configure_pending, 1, 0))
g_atomic_int_dec_and_test (&priv->num_frames_pending);
}
static const struct xdg_surface_listener xdg_surface_listener = {
handle_xdg_surface_configure,
};
static gboolean
gst_vaapi_window_wayland_set_fullscreen (GstVaapiWindow * window,
gboolean fullscreen)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
if (!priv->is_shown) {
priv->fullscreen_on_show = fullscreen;
return TRUE;
}
/* XDG-shell */
if (priv->xdg_toplevel != NULL) {
if (fullscreen)
xdg_toplevel_set_fullscreen (priv->xdg_toplevel, NULL);
else
xdg_toplevel_unset_fullscreen (priv->xdg_toplevel);
return TRUE;
}
/* wl_shell fallback */
if (!fullscreen)
wl_shell_surface_set_toplevel (priv->wl_shell_surface);
else {
wl_shell_surface_set_fullscreen (priv->wl_shell_surface,
WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE, 0, NULL);
}
return TRUE;
}
static gboolean
gst_vaapi_window_wayland_create (GstVaapiWindow * window,
guint * width, guint * height)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
GstVaapiDisplayWaylandPrivate *const priv_display =
GST_VAAPI_DISPLAY_WAYLAND_GET_PRIVATE (GST_VAAPI_WINDOW_DISPLAY (window));
GST_DEBUG ("create window, size %ux%u", *width, *height);
g_return_val_if_fail (priv_display->compositor != NULL, FALSE);
g_return_val_if_fail (priv_display->xdg_wm_base || priv_display->wl_shell,
FALSE);
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
priv->event_queue = wl_display_create_queue (priv_display->wl_display);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
if (!priv->event_queue)
return FALSE;
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
priv->surface = wl_compositor_create_surface (priv_display->compositor);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
if (!priv->surface)
return FALSE;
wl_proxy_set_queue ((struct wl_proxy *) priv->surface, priv->event_queue);
/* Prefer XDG-shell over deprecated wl_shell (if available) */
if (priv_display->xdg_wm_base) {
/* Create the XDG surface. We make the toplevel on VaapiWindow::show() */
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
priv->xdg_surface = xdg_wm_base_get_xdg_surface (priv_display->xdg_wm_base,
priv->surface);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
if (!priv->xdg_surface)
return FALSE;
wl_proxy_set_queue ((struct wl_proxy *) priv->xdg_surface,
priv->event_queue);
xdg_surface_add_listener (priv->xdg_surface, &xdg_surface_listener, window);
} else {
/* Fall back to wl_shell */
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
priv->wl_shell_surface = wl_shell_get_shell_surface (priv_display->wl_shell,
priv->surface);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
if (!priv->wl_shell_surface)
return FALSE;
wl_proxy_set_queue ((struct wl_proxy *) priv->wl_shell_surface,
priv->event_queue);
wl_shell_surface_add_listener (priv->wl_shell_surface,
&shell_surface_listener, priv);
wl_shell_surface_set_toplevel (priv->wl_shell_surface);
}
priv->poll = gst_poll_new (TRUE);
gst_poll_fd_init (&priv->pollfd);
if (priv->fullscreen_on_show)
gst_vaapi_window_wayland_set_fullscreen (window, TRUE);
priv->is_shown = TRUE;
return TRUE;
}
static void
gst_vaapi_window_wayland_finalize (GObject * object)
{
GstVaapiWindow *window = GST_VAAPI_WINDOW (object);
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
struct wl_display *const wl_display =
GST_VAAPI_WINDOW_NATIVE_DISPLAY (window);
/* Make sure that the last wl buffer's callback could be called */
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
if (priv->surface) {
wl_surface_attach (priv->surface, NULL, 0, 0);
wl_surface_commit (priv->surface);
wl_display_flush (wl_display);
}
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
gst_poll_set_flushing (priv->poll, TRUE);
if (priv->event_queue)
wl_display_roundtrip_queue (wl_display, priv->event_queue);
g_clear_pointer (&priv->xdg_surface, xdg_surface_destroy);
g_clear_pointer (&priv->wl_shell_surface, wl_shell_surface_destroy);
g_clear_pointer (&priv->surface, wl_surface_destroy);
g_clear_pointer (&priv->event_queue, wl_event_queue_destroy);
gst_poll_free (priv->poll);
G_OBJECT_CLASS (gst_vaapi_window_wayland_parent_class)->finalize (object);
}
static gboolean
gst_vaapi_window_wayland_resize (GstVaapiWindow * window,
guint width, guint height)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
GstVaapiDisplayWaylandPrivate *const priv_display =
GST_VAAPI_DISPLAY_WAYLAND_GET_PRIVATE (GST_VAAPI_WINDOW_DISPLAY (window));
GST_DEBUG ("resize window, new size %ux%u", width, height);
if (priv->opaque_region)
wl_region_destroy (priv->opaque_region);
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
priv->opaque_region = wl_compositor_create_region (priv_display->compositor);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
wl_region_add (priv->opaque_region, 0, 0, width, height);
return TRUE;
}
static inline gboolean
frame_done (FrameState * frame)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (frame->window);
g_atomic_int_set (&frame->done, TRUE);
if (g_atomic_pointer_compare_and_exchange (&priv->last_frame, frame, NULL))
return g_atomic_int_dec_and_test (&priv->num_frames_pending);
return FALSE;
}
static void
frame_done_callback (void *data, struct wl_callback *callback, uint32_t time)
{
if (!frame_done (data))
GST_INFO ("cannot remove last frame because it didn't match or empty");
}
static const struct wl_callback_listener frame_callback_listener = {
frame_done_callback
};
static void
frame_release_callback (void *data, struct wl_buffer *wl_buffer)
{
FrameState *const frame = data;
if (!frame->done)
if (!frame_done (frame))
GST_INFO ("cannot remove last frame because it didn't match or empty");
wl_buffer_destroy (wl_buffer);
frame_state_free (frame);
}
static const struct wl_buffer_listener frame_buffer_listener = {
frame_release_callback
};
static gboolean
gst_vaapi_window_wayland_render (GstVaapiWindow * window,
GstVaapiSurface * surface,
const GstVaapiRectangle * src_rect,
const GstVaapiRectangle * dst_rect, guint flags)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
GstVaapiDisplay *const display = GST_VAAPI_WINDOW_DISPLAY (window);
struct wl_display *const wl_display =
GST_VAAPI_WINDOW_NATIVE_DISPLAY (window);
struct wl_buffer *buffer;
FrameState *frame;
guint width, height, va_flags;
VAStatus status;
/* Check that we don't need to crop source VA surface */
gst_vaapi_surface_get_size (surface, &width, &height);
if (src_rect->x != 0 || src_rect->y != 0)
priv->need_vpp = TRUE;
if (src_rect->width != width || src_rect->height != height)
priv->need_vpp = TRUE;
/* Check that we don't render to a subregion of this window */
if (dst_rect->x != 0 || dst_rect->y != 0)
priv->need_vpp = TRUE;
if (dst_rect->width != window->width || dst_rect->height != window->height)
priv->need_vpp = TRUE;
/* Try to construct a Wayland buffer from VA surface as is (without VPP) */
if (!priv->need_vpp) {
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
va_flags = from_GstVaapiSurfaceRenderFlags (flags);
status = vaGetSurfaceBufferWl (GST_VAAPI_DISPLAY_VADISPLAY (display),
GST_VAAPI_SURFACE_ID (surface),
va_flags & (VA_TOP_FIELD | VA_BOTTOM_FIELD), &buffer);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
if (status == VA_STATUS_ERROR_FLAG_NOT_SUPPORTED ||
status == VA_STATUS_ERROR_UNIMPLEMENTED ||
status == VA_STATUS_ERROR_INVALID_IMAGE_FORMAT)
priv->need_vpp = TRUE;
else if (!vaapi_check_status (status, "vaGetSurfaceBufferWl()"))
return FALSE;
}
/* Try to construct a Wayland buffer with VPP */
if (priv->need_vpp) {
if (window->has_vpp) {
GstVaapiSurface *const vpp_surface =
gst_vaapi_window_vpp_convert_internal (window, surface, src_rect,
dst_rect, flags);
if (G_UNLIKELY (!vpp_surface))
priv->need_vpp = FALSE;
else {
surface = vpp_surface;
width = window->width;
height = window->height;
}
}
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
status = vaGetSurfaceBufferWl (GST_VAAPI_DISPLAY_VADISPLAY (display),
GST_VAAPI_SURFACE_ID (surface), VA_FRAME_PICTURE, &buffer);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
if (!vaapi_check_status (status, "vaGetSurfaceBufferWl()"))
return FALSE;
}
/* Wait for the previous frame to complete redraw */
if (!gst_vaapi_window_wayland_sync (window)) {
/* Release vpp surface if exists */
if (priv->need_vpp && window->has_vpp)
gst_vaapi_video_pool_put_object (window->surface_pool, surface);
wl_buffer_destroy (buffer);
return !priv->sync_failed;
}
frame = frame_state_new (window);
if (!frame)
return FALSE;
g_atomic_pointer_set (&priv->last_frame, frame);
g_atomic_int_inc (&priv->num_frames_pending);
if (priv->need_vpp && window->has_vpp) {
frame->surface = surface;
frame->surface_pool = gst_vaapi_video_pool_ref (window->surface_pool);
}
/* XXX: attach to the specified target rectangle */
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
wl_surface_attach (priv->surface, buffer, 0, 0);
wl_surface_damage (priv->surface, 0, 0, width, height);
if (priv->opaque_region) {
wl_surface_set_opaque_region (priv->surface, priv->opaque_region);
wl_region_destroy (priv->opaque_region);
priv->opaque_region = NULL;
}
wl_proxy_set_queue ((struct wl_proxy *) buffer, priv->event_queue);
wl_buffer_add_listener (buffer, &frame_buffer_listener, frame);
frame->callback = wl_surface_frame (priv->surface);
wl_callback_add_listener (frame->callback, &frame_callback_listener, frame);
wl_surface_commit (priv->surface);
wl_display_flush (wl_display);
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
return TRUE;
}
static gboolean
gst_vaapi_window_wayland_unblock (GstVaapiWindow * window)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
gst_poll_set_flushing (priv->poll, TRUE);
return TRUE;
}
static gboolean
gst_vaapi_window_wayland_unblock_cancel (GstVaapiWindow * window)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
gst_poll_set_flushing (priv->poll, FALSE);
return TRUE;
}
static void
gst_vaapi_window_wayland_class_init (GstVaapiWindowWaylandClass * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstVaapiWindowClass *const window_class = GST_VAAPI_WINDOW_CLASS (klass);
object_class->finalize = gst_vaapi_window_wayland_finalize;
window_class->create = gst_vaapi_window_wayland_create;
window_class->show = gst_vaapi_window_wayland_show;
window_class->hide = gst_vaapi_window_wayland_hide;
window_class->render = gst_vaapi_window_wayland_render;
window_class->resize = gst_vaapi_window_wayland_resize;
window_class->set_fullscreen = gst_vaapi_window_wayland_set_fullscreen;
window_class->unblock = gst_vaapi_window_wayland_unblock;
window_class->unblock_cancel = gst_vaapi_window_wayland_unblock_cancel;
signals[SIZE_CHANGED] = g_signal_new ("size-changed",
G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL,
G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
}
static void
gst_vaapi_window_wayland_init (GstVaapiWindowWayland * window)
{
}
/**
* gst_vaapi_window_wayland_new:
* @display: a #GstVaapiDisplay
* @width: the requested window width, in pixels
* @height: the requested windo height, in pixels
*
* Creates a window with the specified @width and @height. The window
* will be attached to the @display and remains invisible to the user
* until gst_vaapi_window_show() is called.
*
* Return value: the newly allocated #GstVaapiWindow object
*/
GstVaapiWindow *
gst_vaapi_window_wayland_new (GstVaapiDisplay * display,
guint width, guint height)
{
g_return_val_if_fail (GST_VAAPI_IS_DISPLAY_WAYLAND (display), NULL);
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return gst_vaapi_window_new_internal (GST_TYPE_VAAPI_WINDOW_WAYLAND, display,
GST_VAAPI_ID_INVALID, width, height);
}