2 * gstvaapisink.c - VA-API video sink
4 * Copyright (C) 2010-2011 Splitted-Desktop Systems
5 * Copyright (C) 2011-2012 Intel Corporation
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public License
9 * as published by the Free Software Foundation; either version 2.1
10 * of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301 USA
24 * SECTION:gstvaapisink
25 * @short_description: A VA-API based videosink
27 * vaapisink renders video frames to a drawable (X #Window) on a local
28 * display using the Video Acceleration (VA) API. The element will
29 * create its own internal window and render into it.
34 #include <gst/gstutils_version.h>
35 #include <gst/video/video.h>
36 #include <gst/video/videocontext.h>
37 #include <gst/vaapi/gstvaapivideobuffer.h>
38 #include <gst/vaapi/gstvaapivideosink.h>
39 #include <gst/vaapi/gstvaapidisplay_x11.h>
40 #include <gst/vaapi/gstvaapiwindow_x11.h>
42 #include <gst/vaapi/gstvaapidisplay_glx.h>
43 #include <gst/vaapi/gstvaapiwindow_glx.h>
46 /* Supported interfaces */
47 #include <gst/interfaces/xoverlay.h>
49 #include "gstvaapisink.h"
50 #include "gstvaapipluginutil.h"
52 #define HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE \
53 GST_PLUGINS_BASE_CHECK_VERSION(0,10,31)
55 #define HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE \
56 GST_PLUGINS_BASE_CHECK_VERSION(0,10,29)
58 #define GST_PLUGIN_NAME "vaapisink"
59 #define GST_PLUGIN_DESC "A VA-API based videosink"
61 GST_DEBUG_CATEGORY_STATIC(gst_debug_vaapisink);
62 #define GST_CAT_DEFAULT gst_debug_vaapisink
64 /* ElementFactory information */
65 static const GstElementDetails gst_vaapisink_details =
70 "Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
72 /* Default template */
73 static GstStaticPadTemplate gst_vaapisink_sink_factory =
74 GST_STATIC_PAD_TEMPLATE(
78 GST_STATIC_CAPS(GST_VAAPI_SURFACE_CAPS));
80 static void gst_vaapisink_iface_init(GType type);
87 gst_vaapisink_iface_init);
98 /* GstImplementsInterface interface */
101 gst_vaapisink_implements_interface_supported(
102 GstImplementsInterface *iface,
106 return (type == GST_TYPE_VIDEO_CONTEXT ||
107 type == GST_TYPE_X_OVERLAY);
111 gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface)
113 iface->supported = gst_vaapisink_implements_interface_supported;
116 /* GstVaapiVideoSink interface */
119 gst_vaapisink_set_video_context(GstVideoContext *context, const gchar *type,
122 GstVaapiSink *sink = GST_VAAPISINK (context);
123 gst_vaapi_set_display (type, value, &sink->display);
127 gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface)
129 iface->set_context = gst_vaapisink_set_video_context;
132 /* GstXOverlay interface */
135 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id);
138 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
141 _gst_vaapisink_xoverlay_set_xid(GstXOverlay *overlay, guintptr window_id)
143 GstVaapiSink * const sink = GST_VAAPISINK(overlay);
145 /* Disable GLX rendering when vaapisink is using a foreign X
146 window. It's pretty much useless */
147 sink->use_glx = FALSE;
149 sink->foreign_window = TRUE;
150 gst_vaapisink_ensure_window_xid(sink, window_id);
153 #if HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE
155 gst_vaapisink_xoverlay_set_window_handle(GstXOverlay *overlay, guintptr window_id)
157 _gst_vaapisink_xoverlay_set_xid(overlay, window_id);
161 gst_vaapisink_xoverlay_set_xid(GstXOverlay *overlay, XID xid)
163 _gst_vaapisink_xoverlay_set_xid(overlay, xid);
167 #if HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE
169 gst_vaapisink_xoverlay_set_render_rectangle(
170 GstXOverlay *overlay,
177 GstVaapiSink * const sink = GST_VAAPISINK(overlay);
178 GstVaapiRectangle * const display_rect = &sink->display_rect;
182 display_rect->width = width;
183 display_rect->height = height;
185 GST_DEBUG("render rect (%d,%d):%ux%u",
186 display_rect->x, display_rect->y,
187 display_rect->width, display_rect->height);
192 gst_vaapisink_xoverlay_expose(GstXOverlay *overlay)
194 GstBaseSink * const base_sink = GST_BASE_SINK(overlay);
197 buffer = gst_base_sink_get_last_buffer(base_sink);
199 gst_vaapisink_show_frame(base_sink, buffer);
200 gst_buffer_unref(buffer);
205 gst_vaapisink_xoverlay_iface_init(GstXOverlayClass *iface)
207 #if HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE
208 iface->set_window_handle = gst_vaapisink_xoverlay_set_window_handle;
210 iface->set_xwindow_id = gst_vaapisink_xoverlay_set_xid;
212 #if HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE
213 iface->set_render_rectangle = gst_vaapisink_xoverlay_set_render_rectangle;
215 iface->expose = gst_vaapisink_xoverlay_expose;
219 gst_vaapisink_iface_init(GType type)
221 const GType g_define_type_id = type;
223 G_IMPLEMENT_INTERFACE(GST_TYPE_IMPLEMENTS_INTERFACE,
224 gst_vaapisink_implements_iface_init);
225 G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_CONTEXT,
226 gst_vaapisink_video_context_iface_init);
227 G_IMPLEMENT_INTERFACE(GST_TYPE_X_OVERLAY,
228 gst_vaapisink_xoverlay_iface_init);
232 gst_vaapisink_destroy(GstVaapiSink *sink)
235 g_object_unref(sink->texture);
236 sink->texture = NULL;
240 g_object_unref(sink->display);
241 sink->display = NULL;
245 /* Checks whether a ConfigureNotify event is in the queue */
246 typedef struct _ConfigureNotifyEventPendingArgs ConfigureNotifyEventPendingArgs;
247 struct _ConfigureNotifyEventPendingArgs {
255 configure_notify_event_pending_cb(Display *dpy, XEvent *xev, XPointer arg)
257 ConfigureNotifyEventPendingArgs * const args =
258 (ConfigureNotifyEventPendingArgs *)arg;
260 if (xev->type == ConfigureNotify &&
261 xev->xconfigure.window == args->window &&
262 xev->xconfigure.width == args->width &&
263 xev->xconfigure.height == args->height)
266 /* XXX: this is a hack to traverse the whole queue because we
267 can't use XPeekIfEvent() since it could block */
272 configure_notify_event_pending(
279 ConfigureNotifyEventPendingArgs args;
282 args.window = window;
284 args.height = height;
287 /* XXX: don't use XPeekIfEvent() because it might block */
289 gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
291 configure_notify_event_pending_cb, (XPointer)&args
297 gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
299 GstVaapiRectangle * const display_rect = &sink->display_rect;
300 guint num, den, display_par_n, display_par_d;
303 GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
305 gst_vaapi_display_get_pixel_aspect_ratio(
307 &display_par_n, &display_par_d
309 GST_DEBUG("display pixel-aspect-ratio %d/%d",
310 display_par_n, display_par_d);
312 success = gst_video_calculate_display_ratio(
314 sink->video_width, sink->video_height,
315 sink->video_par_n, sink->video_par_d,
316 display_par_n, display_par_d
320 GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
321 sink->video_width, sink->video_height, num, den);
323 display_rect->width = gst_util_uint64_scale_int(height, num, den);
324 if (display_rect->width <= width) {
325 GST_DEBUG("keeping window height");
326 display_rect->height = height;
329 GST_DEBUG("keeping window width");
330 display_rect->width = width;
331 display_rect->height =
332 gst_util_uint64_scale_int(width, den, num);
334 GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
336 g_assert(display_rect->width <= width);
337 g_assert(display_rect->height <= height);
339 display_rect->x = (width - display_rect->width) / 2;
340 display_rect->y = (height - display_rect->height) / 2;
342 GST_DEBUG("render rect (%d,%d):%ux%u",
343 display_rect->x, display_rect->y,
344 display_rect->width, display_rect->height);
348 static inline gboolean
349 gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
351 GstVaapiDisplay * const display = sink->display;
354 #if USE_VAAPISINK_GLX
356 sink->window = gst_vaapi_window_glx_new(display, width, height);
359 sink->window = gst_vaapi_window_x11_new(display, width, height);
361 gst_x_overlay_got_xwindow_id(
363 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
366 return sink->window != NULL;
370 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id)
373 unsigned int width, height, border_width, depth;
377 if (!gst_vaapi_ensure_display(sink, &sink->display))
380 gst_vaapi_display_lock(sink->display);
382 gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
385 &x, &y, &width, &height, &border_width, &depth
387 gst_vaapi_display_unlock(sink->display);
389 if ((width != sink->window_width || height != sink->window_height) &&
390 !configure_notify_event_pending(sink, xid, width, height)) {
391 if (!gst_vaapisink_ensure_render_rect(sink, width, height))
393 sink->window_width = width;
394 sink->window_height = height;
398 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window)) == xid)
402 g_object_unref(sink->window);
406 #if USE_VAAPISINK_GLX
408 sink->window = gst_vaapi_window_glx_new_with_xid(sink->display, xid);
411 sink->window = gst_vaapi_window_x11_new_with_xid(sink->display, xid);
412 return sink->window != NULL;
416 gst_vaapisink_start(GstBaseSink *base_sink)
418 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
420 return gst_vaapi_ensure_display(sink, &sink->display);
424 gst_vaapisink_stop(GstBaseSink *base_sink)
426 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
429 g_object_unref(sink->window);
434 g_object_unref(sink->display);
435 sink->display = NULL;
441 gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
443 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
444 GstStructure * const structure = gst_caps_get_structure(caps, 0);
445 guint win_width, win_height, display_width, display_height;
446 gint video_width, video_height, video_par_n = 1, video_par_d = 1;
450 if (!gst_structure_get_int(structure, "width", &video_width))
452 if (!gst_structure_get_int(structure, "height", &video_height))
454 sink->video_width = video_width;
455 sink->video_height = video_height;
457 gst_video_parse_caps_pixel_aspect_ratio(caps, &video_par_n, &video_par_d);
458 sink->video_par_n = video_par_n;
459 sink->video_par_d = video_par_d;
460 GST_DEBUG("video pixel-aspect-ratio %d/%d", video_par_n, video_par_d);
462 if (!gst_vaapi_ensure_display(sink, &sink->display))
465 gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
466 if (sink->fullscreen ||
467 video_width > display_width || video_height > display_height) {
468 win_width = display_width;
469 win_height = display_height;
472 win_width = video_width;
473 win_height = video_height;
477 gst_vaapi_window_set_size(sink->window, win_width, win_height);
479 gst_vaapi_display_lock(sink->display);
480 gst_x_overlay_prepare_xwindow_id(GST_X_OVERLAY(sink));
481 gst_vaapi_display_unlock(sink->display);
484 if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
486 gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
487 gst_vaapi_window_show(sink->window);
488 gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
490 sink->window_width = win_width;
491 sink->window_height = win_height;
492 GST_DEBUG("window size %ux%u", win_width, win_height);
494 return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
497 #if USE_VAAPISINK_GLX
499 render_background(GstVaapiSink *sink)
501 /* Original code from Mirco Muller (MacSlow):
502 <http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
503 GLfloat fStartX = 0.0f;
504 GLfloat fStartY = 0.0f;
505 GLfloat fWidth = (GLfloat)sink->window_width;
506 GLfloat fHeight = (GLfloat)sink->window_height;
508 glClear(GL_COLOR_BUFFER_BIT);
511 /* top third, darker grey to white */
512 glColor3f(0.85f, 0.85f, 0.85f);
513 glVertex3f(fStartX, fStartY, 0.0f);
514 glColor3f(0.85f, 0.85f, 0.85f);
515 glVertex3f(fStartX + fWidth, fStartY, 0.0f);
516 glColor3f(1.0f, 1.0f, 1.0f);
517 glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
518 glColor3f(1.0f, 1.0f, 1.0f);
519 glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
521 /* middle third, just plain white */
522 glColor3f(1.0f, 1.0f, 1.0f);
523 glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
524 glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
525 glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
526 glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
528 /* bottom third, white to lighter grey */
529 glColor3f(1.0f, 1.0f, 1.0f);
530 glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
531 glColor3f(1.0f, 1.0f, 1.0f);
532 glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
533 glColor3f(0.62f, 0.66f, 0.69f);
534 glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
535 glColor3f(0.62f, 0.66f, 0.69f);
536 glVertex3f(fStartX, fStartY + fHeight, 0.0f);
542 render_frame(GstVaapiSink *sink)
544 const guint x1 = sink->display_rect.x;
545 const guint x2 = sink->display_rect.x + sink->display_rect.width;
546 const guint y1 = sink->display_rect.y;
547 const guint y2 = sink->display_rect.y + sink->display_rect.height;
549 glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
552 glTexCoord2f(0.0f, 0.0f); glVertex2i(x1, y1);
553 glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y2);
554 glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y2);
555 glTexCoord2f(1.0f, 0.0f); glVertex2i(x2, y1);
561 render_reflection(GstVaapiSink *sink)
563 const guint x1 = sink->display_rect.x;
564 const guint x2 = sink->display_rect.x + sink->display_rect.width;
565 const guint y1 = sink->display_rect.y;
566 const guint rh = sink->display_rect.height / 5;
567 GLfloat ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
571 glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
572 glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
573 glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
575 glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
576 glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
577 glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
583 gst_vaapisink_show_frame_glx(
585 GstVaapiSurface *surface,
589 GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
593 gst_vaapi_window_glx_make_current(window);
594 if (!sink->texture) {
595 sink->texture = gst_vaapi_texture_new(
603 goto error_create_texture;
605 if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
606 goto error_transfer_surface;
608 target = gst_vaapi_texture_get_target(sink->texture);
609 texture = gst_vaapi_texture_get_id(sink->texture);
610 if (target != GL_TEXTURE_2D || !texture)
613 if (sink->use_reflection)
614 render_background(sink);
617 glBindTexture(target, texture);
619 if (sink->use_reflection) {
621 glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
622 glTranslatef(50.0f, 0.0f, 0.0f);
625 if (sink->use_reflection) {
627 glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
628 render_reflection(sink);
633 glBindTexture(target, 0);
635 gst_vaapi_window_glx_swap_buffers(window);
639 error_create_texture:
641 GST_DEBUG("could not create VA/GLX texture");
644 error_transfer_surface:
646 GST_DEBUG("could not transfer VA surface to texture");
652 static inline gboolean
653 gst_vaapisink_show_frame_x11(
655 GstVaapiSurface *surface,
659 if (!gst_vaapi_window_put_surface(sink->window, surface,
660 NULL, &sink->display_rect, flags)) {
661 GST_DEBUG("could not render VA surface");
668 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer)
670 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
671 GstVaapiVideoBuffer * const vbuffer = GST_VAAPI_VIDEO_BUFFER(buffer);
672 GstVaapiSurface *surface;
675 GstVideoOverlayComposition * const composition =
676 gst_video_buffer_get_overlay_composition(buffer);
678 if (sink->display != gst_vaapi_video_buffer_get_display (vbuffer)) {
680 g_object_unref (sink->display);
681 sink->display = g_object_ref (gst_vaapi_video_buffer_get_display (vbuffer));
685 return GST_FLOW_UNEXPECTED;
687 surface = gst_vaapi_video_buffer_get_surface(vbuffer);
689 return GST_FLOW_UNEXPECTED;
691 GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
692 GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
694 flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
696 if (!gst_vaapi_surface_set_subpictures_from_composition(surface,
698 GST_WARNING("could not update subtitles");
700 #if USE_VAAPISINK_GLX
702 success = gst_vaapisink_show_frame_glx(sink, surface, flags);
705 success = gst_vaapisink_show_frame_x11(sink, surface, flags);
706 return success ? GST_FLOW_OK : GST_FLOW_UNEXPECTED;
710 gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
712 GstVaapiSink *sink = GST_VAAPISINK(base_sink);
713 GST_DEBUG ("sharing display %p", sink->display);
714 return gst_vaapi_reply_to_query (query, sink->display);
718 gst_vaapisink_finalize(GObject *object)
720 gst_vaapisink_destroy(GST_VAAPISINK(object));
722 G_OBJECT_CLASS(parent_class)->finalize(object);
726 gst_vaapisink_set_property(
733 GstVaapiSink * const sink = GST_VAAPISINK(object);
737 sink->use_glx = g_value_get_boolean(value);
739 case PROP_FULLSCREEN:
740 sink->fullscreen = g_value_get_boolean(value);
742 case PROP_SYNCHRONOUS:
743 sink->synchronous = g_value_get_boolean(value);
745 case PROP_USE_REFLECTION:
746 sink->use_reflection = g_value_get_boolean(value);
749 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
755 gst_vaapisink_get_property(
762 GstVaapiSink * const sink = GST_VAAPISINK(object);
766 g_value_set_boolean(value, sink->use_glx);
768 case PROP_FULLSCREEN:
769 g_value_set_boolean(value, sink->fullscreen);
771 case PROP_SYNCHRONOUS:
772 g_value_set_boolean(value, sink->synchronous);
774 case PROP_USE_REFLECTION:
775 g_value_set_boolean(value, sink->use_reflection);
778 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
784 gst_vaapisink_base_init(gpointer klass)
786 GstElementClass * const element_class = GST_ELEMENT_CLASS(klass);
787 GstPadTemplate *pad_template;
789 gst_element_class_set_details(element_class, &gst_vaapisink_details);
791 pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
792 gst_element_class_add_pad_template(element_class, pad_template);
793 gst_object_unref(pad_template);
797 gst_vaapisink_class_init(GstVaapiSinkClass *klass)
799 GObjectClass * const object_class = G_OBJECT_CLASS(klass);
800 GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
802 GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
803 GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
805 object_class->finalize = gst_vaapisink_finalize;
806 object_class->set_property = gst_vaapisink_set_property;
807 object_class->get_property = gst_vaapisink_get_property;
809 basesink_class->start = gst_vaapisink_start;
810 basesink_class->stop = gst_vaapisink_stop;
811 basesink_class->set_caps = gst_vaapisink_set_caps;
812 basesink_class->preroll = gst_vaapisink_show_frame;
813 basesink_class->render = gst_vaapisink_show_frame;
814 basesink_class->query = gst_vaapisink_query;
816 #if USE_VAAPISINK_GLX
817 g_object_class_install_property
820 g_param_spec_boolean("use-glx",
822 "Enables GLX rendering",
826 g_object_class_install_property
829 g_param_spec_boolean("use-reflection",
831 "Enables OpenGL reflection effect",
836 g_object_class_install_property
839 g_param_spec_boolean("fullscreen",
841 "Requests window in fullscreen state",
846 * GstVaapiSink:synchronous:
848 * When enabled, runs the X display in synchronous mode. Note that
849 * this is used only for debugging.
851 g_object_class_install_property
854 g_param_spec_boolean("synchronous",
856 "Toggles X display synchronous mode",
862 gst_vaapisink_init(GstVaapiSink *sink, GstVaapiSinkClass *klass)
864 sink->display = NULL;
866 sink->window_width = 0;
867 sink->window_height = 0;
868 sink->texture = NULL;
869 sink->video_width = 0;
870 sink->video_height = 0;
871 sink->video_par_n = 1;
872 sink->video_par_d = 1;
873 sink->foreign_window = FALSE;
874 sink->fullscreen = FALSE;
875 sink->synchronous = FALSE;
876 sink->use_glx = USE_VAAPISINK_GLX;
877 sink->use_reflection = FALSE;