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_OBJECT_DISPLAY (window);
struct wl_display *const wl_display =
GST_VAAPI_OBJECT_NATIVE_DISPLAY (window);
struct wl_buffer *buffer;
FrameState *frame;
guint width, height, va_flags;
VAStatus status;
gboolean need_vpp = FALSE;
/* 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)
need_vpp = TRUE;
if (src_rect->width != width || src_rect->height != height)
need_vpp = TRUE;
/* Check that we don't render to a subregion of this window */
if (dst_rect->x != 0 || dst_rect->y != 0)
need_vpp = TRUE;
if (dst_rect->width != window->width || dst_rect->height != window->height)
need_vpp = TRUE;
/* Try to construct a Wayland buffer from VA surface as is (without VPP) */
if (!need_vpp) {
GST_VAAPI_OBJECT_LOCK_DISPLAY (window);
va_flags = from_GstVaapiSurfaceRenderFlags (flags);
status = vaGetSurfaceBufferWl (GST_VAAPI_DISPLAY_VADISPLAY (display),
GST_VAAPI_OBJECT_ID (surface),
va_flags & (VA_TOP_FIELD | VA_BOTTOM_FIELD), &buffer);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY (window);
if (status == VA_STATUS_ERROR_FLAG_NOT_SUPPORTED)
need_vpp = TRUE;
else if (!vaapi_check_status (status, "vaGetSurfaceBufferWl()"))
return FALSE;
}
/* Try to construct a Wayland buffer with VPP */
if (need_vpp) {
if (priv->use_vpp) {
GstVaapiSurface *const vpp_surface =
vpp_convert (window, surface, src_rect, dst_rect, flags);
if (G_UNLIKELY (!vpp_surface))
need_vpp = FALSE;
else {
surface = vpp_surface;
width = window->width;
height = window->height;
}
}
GST_VAAPI_OBJECT_LOCK_DISPLAY (window);
status = vaGetSurfaceBufferWl (GST_VAAPI_DISPLAY_VADISPLAY (display),
GST_VAAPI_OBJECT_ID (surface), VA_FRAME_PICTURE, &buffer);
GST_VAAPI_OBJECT_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)) {
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 (need_vpp && priv->use_vpp) {
frame->surface = surface;
frame->surface_pool = gst_vaapi_video_pool_ref (priv->surface_pool);
}
/* XXX: attach to the specified target rectangle */
GST_VAAPI_OBJECT_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_OBJECT_UNLOCK_DISPLAY (window);
return TRUE;
}
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(window)->priv;
GstVaapiDisplay * const display = GST_VAAPI_OBJECT_DISPLAY(window);
struct wl_display * const wl_display = GST_VAAPI_OBJECT_WL_DISPLAY(window);
struct wl_buffer *buffer;
struct wl_callback *callback;
guint width, height, va_flags;
VASurfaceID surface_id;
VAStatus status;
/* XXX: use VPP to support unusual source and destination rectangles */
gst_vaapi_surface_get_size(surface, &width, &height);
if (src_rect->x != 0 ||
src_rect->y != 0 ||
src_rect->width != width ||
src_rect->height != height) {
GST_ERROR("unsupported source rectangle for rendering");
return FALSE;
}
if (0 && (dst_rect->width != width || dst_rect->height != height)) {
GST_ERROR("unsupported target rectangle for rendering");
return FALSE;
}
surface_id = GST_VAAPI_OBJECT_ID(surface);
if (surface_id == VA_INVALID_ID)
return FALSE;
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
/* Wait for the previous frame to complete redraw */
if (priv->redraw_pending)
wl_display_iterate(wl_display, WL_DISPLAY_READABLE);
/* XXX: use VA/VPP for other filters */
va_flags = from_GstVaapiSurfaceRenderFlags(flags);
status = vaGetSurfaceBufferWl(
GST_VAAPI_DISPLAY_VADISPLAY(display),
surface_id,
va_flags & (VA_TOP_FIELD|VA_BOTTOM_FIELD),
&buffer
);
if (status == VA_STATUS_ERROR_FLAG_NOT_SUPPORTED) {
/* XXX: de-interlacing flags not supported, try with VPP? */
status = vaGetSurfaceBufferWl(
GST_VAAPI_DISPLAY_VADISPLAY(display),
surface_id,
VA_FRAME_PICTURE,
&buffer
);
}
if (!vaapi_check_status(status, "vaGetSurfaceBufferWl()"))
return FALSE;
/* XXX: attach to the specified target rectangle */
wl_surface_attach(priv->surface, buffer, 0, 0);
wl_surface_damage(priv->surface, 0, 0, width, height);
wl_display_iterate(wl_display, WL_DISPLAY_WRITABLE);
priv->redraw_pending = TRUE;
priv->buffer = buffer;
callback = wl_surface_frame(priv->surface);
wl_callback_add_listener(callback, &frame_callback_listener, priv);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
return TRUE;
}
