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));
81 gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface);
84 gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface);
87 gst_vaapisink_xoverlay_iface_init(GstXOverlayClass *iface);
89 G_DEFINE_TYPE_WITH_CODE(
93 G_IMPLEMENT_INTERFACE(GST_TYPE_IMPLEMENTS_INTERFACE,
94 gst_vaapisink_implements_iface_init);
95 G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_CONTEXT,
96 gst_vaapisink_video_context_iface_init);
97 G_IMPLEMENT_INTERFACE(GST_TYPE_X_OVERLAY,
98 gst_vaapisink_xoverlay_iface_init));
109 /* GstImplementsInterface interface */
112 gst_vaapisink_implements_interface_supported(
113 GstImplementsInterface *iface,
117 return (type == GST_TYPE_VIDEO_CONTEXT ||
118 type == GST_TYPE_X_OVERLAY);
122 gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface)
124 iface->supported = gst_vaapisink_implements_interface_supported;
127 /* GstVaapiVideoSink interface */
130 gst_vaapisink_set_video_context(GstVideoContext *context, const gchar *type,
133 GstVaapiSink *sink = GST_VAAPISINK (context);
134 gst_vaapi_set_display (type, value, &sink->display);
138 gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface)
140 iface->set_context = gst_vaapisink_set_video_context;
143 /* GstXOverlay interface */
146 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id);
149 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
152 _gst_vaapisink_xoverlay_set_xid(GstXOverlay *overlay, guintptr window_id)
154 GstVaapiSink * const sink = GST_VAAPISINK(overlay);
156 /* Disable GLX rendering when vaapisink is using a foreign X
157 window. It's pretty much useless */
158 sink->use_glx = FALSE;
160 sink->foreign_window = TRUE;
161 gst_vaapisink_ensure_window_xid(sink, window_id);
164 #if HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE
166 gst_vaapisink_xoverlay_set_window_handle(GstXOverlay *overlay, guintptr window_id)
168 _gst_vaapisink_xoverlay_set_xid(overlay, window_id);
172 gst_vaapisink_xoverlay_set_xid(GstXOverlay *overlay, XID xid)
174 _gst_vaapisink_xoverlay_set_xid(overlay, xid);
178 #if HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE
180 gst_vaapisink_xoverlay_set_render_rectangle(
181 GstXOverlay *overlay,
188 GstVaapiSink * const sink = GST_VAAPISINK(overlay);
189 GstVaapiRectangle * const display_rect = &sink->display_rect;
193 display_rect->width = width;
194 display_rect->height = height;
196 GST_DEBUG("render rect (%d,%d):%ux%u",
197 display_rect->x, display_rect->y,
198 display_rect->width, display_rect->height);
203 gst_vaapisink_xoverlay_expose(GstXOverlay *overlay)
205 GstBaseSink * const base_sink = GST_BASE_SINK(overlay);
208 buffer = gst_base_sink_get_last_buffer(base_sink);
210 gst_vaapisink_show_frame(base_sink, buffer);
211 gst_buffer_unref(buffer);
216 gst_vaapisink_xoverlay_iface_init(GstXOverlayClass *iface)
218 #if HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE
219 iface->set_window_handle = gst_vaapisink_xoverlay_set_window_handle;
221 iface->set_xwindow_id = gst_vaapisink_xoverlay_set_xid;
223 #if HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE
224 iface->set_render_rectangle = gst_vaapisink_xoverlay_set_render_rectangle;
226 iface->expose = gst_vaapisink_xoverlay_expose;
230 gst_vaapisink_destroy(GstVaapiSink *sink)
232 g_clear_object(&sink->texture);
233 g_clear_object(&sink->display);
235 gst_caps_replace(&sink->caps, NULL);
238 /* Checks whether a ConfigureNotify event is in the queue */
239 typedef struct _ConfigureNotifyEventPendingArgs ConfigureNotifyEventPendingArgs;
240 struct _ConfigureNotifyEventPendingArgs {
248 configure_notify_event_pending_cb(Display *dpy, XEvent *xev, XPointer arg)
250 ConfigureNotifyEventPendingArgs * const args =
251 (ConfigureNotifyEventPendingArgs *)arg;
253 if (xev->type == ConfigureNotify &&
254 xev->xconfigure.window == args->window &&
255 xev->xconfigure.width == args->width &&
256 xev->xconfigure.height == args->height)
259 /* XXX: this is a hack to traverse the whole queue because we
260 can't use XPeekIfEvent() since it could block */
265 configure_notify_event_pending(
272 ConfigureNotifyEventPendingArgs args;
275 args.window = window;
277 args.height = height;
280 /* XXX: don't use XPeekIfEvent() because it might block */
282 gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
284 configure_notify_event_pending_cb, (XPointer)&args
290 gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
292 GstVaapiRectangle * const display_rect = &sink->display_rect;
293 guint num, den, display_par_n, display_par_d;
296 /* Return success if caps are not set yet */
300 GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
302 gst_vaapi_display_get_pixel_aspect_ratio(
304 &display_par_n, &display_par_d
306 GST_DEBUG("display pixel-aspect-ratio %d/%d",
307 display_par_n, display_par_d);
309 success = gst_video_calculate_display_ratio(
311 sink->video_width, sink->video_height,
312 sink->video_par_n, sink->video_par_d,
313 display_par_n, display_par_d
317 GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
318 sink->video_width, sink->video_height, num, den);
320 display_rect->width = gst_util_uint64_scale_int(height, num, den);
321 if (display_rect->width <= width) {
322 GST_DEBUG("keeping window height");
323 display_rect->height = height;
326 GST_DEBUG("keeping window width");
327 display_rect->width = width;
328 display_rect->height =
329 gst_util_uint64_scale_int(width, den, num);
331 GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
333 g_assert(display_rect->width <= width);
334 g_assert(display_rect->height <= height);
336 display_rect->x = (width - display_rect->width) / 2;
337 display_rect->y = (height - display_rect->height) / 2;
339 GST_DEBUG("render rect (%d,%d):%ux%u",
340 display_rect->x, display_rect->y,
341 display_rect->width, display_rect->height);
345 static inline gboolean
346 gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
348 GstVaapiDisplay * const display = sink->display;
351 #if USE_VAAPISINK_GLX
353 sink->window = gst_vaapi_window_glx_new(display, width, height);
356 sink->window = gst_vaapi_window_x11_new(display, width, height);
358 gst_x_overlay_got_window_handle(
360 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
363 return sink->window != NULL;
367 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id)
370 unsigned int width, height, border_width, depth;
374 if (!gst_vaapi_ensure_display(sink, &sink->display))
377 gst_vaapi_display_lock(sink->display);
379 gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
382 &x, &y, &width, &height, &border_width, &depth
384 gst_vaapi_display_unlock(sink->display);
386 if ((width != sink->window_width || height != sink->window_height) &&
387 !configure_notify_event_pending(sink, xid, width, height)) {
388 if (!gst_vaapisink_ensure_render_rect(sink, width, height))
390 sink->window_width = width;
391 sink->window_height = height;
395 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window)) == xid)
398 g_clear_object(&sink->window);
400 #if USE_VAAPISINK_GLX
402 sink->window = gst_vaapi_window_glx_new_with_xid(sink->display, xid);
405 sink->window = gst_vaapi_window_x11_new_with_xid(sink->display, xid);
406 return sink->window != NULL;
410 gst_vaapisink_start(GstBaseSink *base_sink)
412 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
414 return gst_vaapi_ensure_display(sink, &sink->display);
418 gst_vaapisink_stop(GstBaseSink *base_sink)
420 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
422 g_clear_object(&sink->window);
423 g_clear_object(&sink->display);
429 gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
431 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
432 GstStructure * const structure = gst_caps_get_structure(caps, 0);
433 guint win_width, win_height, display_width, display_height;
434 gint video_width, video_height, video_par_n = 1, video_par_d = 1;
438 if (!gst_structure_get_int(structure, "width", &video_width))
440 if (!gst_structure_get_int(structure, "height", &video_height))
442 sink->video_width = video_width;
443 sink->video_height = video_height;
445 gst_video_parse_caps_pixel_aspect_ratio(caps, &video_par_n, &video_par_d);
446 sink->video_par_n = video_par_n;
447 sink->video_par_d = video_par_d;
448 GST_DEBUG("video pixel-aspect-ratio %d/%d", video_par_n, video_par_d);
450 gst_caps_replace(&sink->caps, caps);
452 if (!gst_vaapi_ensure_display(sink, &sink->display))
455 gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
456 if (sink->foreign_window) {
457 win_width = sink->window_width;
458 win_height = sink->window_height;
460 else if (sink->fullscreen ||
461 video_width > display_width || video_height > display_height) {
462 win_width = display_width;
463 win_height = display_height;
466 win_width = video_width;
467 win_height = video_height;
471 if (!sink->foreign_window || sink->fullscreen)
472 gst_vaapi_window_set_size(sink->window, win_width, win_height);
475 gst_vaapi_display_lock(sink->display);
476 gst_x_overlay_prepare_xwindow_id(GST_X_OVERLAY(sink));
477 gst_vaapi_display_unlock(sink->display);
480 if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
482 gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
483 gst_vaapi_window_show(sink->window);
484 gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
486 sink->window_width = win_width;
487 sink->window_height = win_height;
488 GST_DEBUG("window size %ux%u", win_width, win_height);
490 return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
493 #if USE_VAAPISINK_GLX
495 render_background(GstVaapiSink *sink)
497 /* Original code from Mirco Muller (MacSlow):
498 <http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
499 GLfloat fStartX = 0.0f;
500 GLfloat fStartY = 0.0f;
501 GLfloat fWidth = (GLfloat)sink->window_width;
502 GLfloat fHeight = (GLfloat)sink->window_height;
504 glClear(GL_COLOR_BUFFER_BIT);
507 /* top third, darker grey to white */
508 glColor3f(0.85f, 0.85f, 0.85f);
509 glVertex3f(fStartX, fStartY, 0.0f);
510 glColor3f(0.85f, 0.85f, 0.85f);
511 glVertex3f(fStartX + fWidth, fStartY, 0.0f);
512 glColor3f(1.0f, 1.0f, 1.0f);
513 glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
514 glColor3f(1.0f, 1.0f, 1.0f);
515 glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
517 /* middle third, just plain white */
518 glColor3f(1.0f, 1.0f, 1.0f);
519 glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
520 glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
521 glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
522 glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
524 /* bottom third, white to lighter grey */
525 glColor3f(1.0f, 1.0f, 1.0f);
526 glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
527 glColor3f(1.0f, 1.0f, 1.0f);
528 glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
529 glColor3f(0.62f, 0.66f, 0.69f);
530 glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
531 glColor3f(0.62f, 0.66f, 0.69f);
532 glVertex3f(fStartX, fStartY + fHeight, 0.0f);
538 render_frame(GstVaapiSink *sink)
540 const guint x1 = sink->display_rect.x;
541 const guint x2 = sink->display_rect.x + sink->display_rect.width;
542 const guint y1 = sink->display_rect.y;
543 const guint y2 = sink->display_rect.y + sink->display_rect.height;
545 glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
548 glTexCoord2f(0.0f, 0.0f); glVertex2i(x1, y1);
549 glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y2);
550 glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y2);
551 glTexCoord2f(1.0f, 0.0f); glVertex2i(x2, y1);
557 render_reflection(GstVaapiSink *sink)
559 const guint x1 = sink->display_rect.x;
560 const guint x2 = sink->display_rect.x + sink->display_rect.width;
561 const guint y1 = sink->display_rect.y;
562 const guint rh = sink->display_rect.height / 5;
563 GLfloat ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
567 glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
568 glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
569 glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
571 glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
572 glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
573 glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
579 gst_vaapisink_show_frame_glx(
581 GstVaapiSurface *surface,
585 GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
589 gst_vaapi_window_glx_make_current(window);
590 if (!sink->texture) {
591 sink->texture = gst_vaapi_texture_new(
599 goto error_create_texture;
601 if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
602 goto error_transfer_surface;
604 target = gst_vaapi_texture_get_target(sink->texture);
605 texture = gst_vaapi_texture_get_id(sink->texture);
606 if (target != GL_TEXTURE_2D || !texture)
609 if (sink->use_reflection)
610 render_background(sink);
613 glBindTexture(target, texture);
615 if (sink->use_reflection) {
617 glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
618 glTranslatef(50.0f, 0.0f, 0.0f);
621 if (sink->use_reflection) {
623 glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
624 render_reflection(sink);
629 glBindTexture(target, 0);
631 gst_vaapi_window_glx_swap_buffers(window);
635 error_create_texture:
637 GST_DEBUG("could not create VA/GLX texture");
640 error_transfer_surface:
642 GST_DEBUG("could not transfer VA surface to texture");
648 static inline gboolean
649 gst_vaapisink_show_frame_x11(
651 GstVaapiSurface *surface,
655 if (!gst_vaapi_window_put_surface(sink->window, surface,
656 NULL, &sink->display_rect, flags)) {
657 GST_DEBUG("could not render VA surface");
664 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer)
666 GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
667 GstVaapiVideoBuffer * const vbuffer = GST_VAAPI_VIDEO_BUFFER(buffer);
668 GstVaapiSurface *surface;
671 GstVideoOverlayComposition * const composition =
672 gst_video_buffer_get_overlay_composition(buffer);
674 if (sink->display != gst_vaapi_video_buffer_get_display (vbuffer)) {
675 g_clear_object(&sink->display);
676 sink->display = g_object_ref (gst_vaapi_video_buffer_get_display (vbuffer));
680 return GST_FLOW_UNEXPECTED;
682 surface = gst_vaapi_video_buffer_get_surface(vbuffer);
684 return GST_FLOW_UNEXPECTED;
686 GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
687 GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
689 flags = gst_vaapi_video_buffer_get_render_flags(vbuffer);
691 if (!gst_vaapi_surface_set_subpictures_from_composition(surface,
693 GST_WARNING("could not update subtitles");
695 #if USE_VAAPISINK_GLX
697 success = gst_vaapisink_show_frame_glx(sink, surface, flags);
700 success = gst_vaapisink_show_frame_x11(sink, surface, flags);
701 return success ? GST_FLOW_OK : GST_FLOW_UNEXPECTED;
705 gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
707 GstVaapiSink *sink = GST_VAAPISINK(base_sink);
708 GST_DEBUG ("sharing display %p", sink->display);
709 return gst_vaapi_reply_to_query (query, sink->display);
713 gst_vaapisink_finalize(GObject *object)
715 gst_vaapisink_destroy(GST_VAAPISINK(object));
717 G_OBJECT_CLASS(gst_vaapisink_parent_class)->finalize(object);
721 gst_vaapisink_set_property(
728 GstVaapiSink * const sink = GST_VAAPISINK(object);
732 sink->use_glx = g_value_get_boolean(value);
734 case PROP_FULLSCREEN:
735 sink->fullscreen = g_value_get_boolean(value);
737 case PROP_SYNCHRONOUS:
738 sink->synchronous = g_value_get_boolean(value);
740 case PROP_USE_REFLECTION:
741 sink->use_reflection = g_value_get_boolean(value);
744 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
750 gst_vaapisink_get_property(
757 GstVaapiSink * const sink = GST_VAAPISINK(object);
761 g_value_set_boolean(value, sink->use_glx);
763 case PROP_FULLSCREEN:
764 g_value_set_boolean(value, sink->fullscreen);
766 case PROP_SYNCHRONOUS:
767 g_value_set_boolean(value, sink->synchronous);
769 case PROP_USE_REFLECTION:
770 g_value_set_boolean(value, sink->use_reflection);
773 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
779 gst_vaapisink_class_init(GstVaapiSinkClass *klass)
781 GObjectClass * const object_class = G_OBJECT_CLASS(klass);
782 GstElementClass * const element_class = GST_ELEMENT_CLASS(klass);
783 GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
784 GstPadTemplate *pad_template;
786 GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
787 GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
789 object_class->finalize = gst_vaapisink_finalize;
790 object_class->set_property = gst_vaapisink_set_property;
791 object_class->get_property = gst_vaapisink_get_property;
793 basesink_class->start = gst_vaapisink_start;
794 basesink_class->stop = gst_vaapisink_stop;
795 basesink_class->set_caps = gst_vaapisink_set_caps;
796 basesink_class->preroll = gst_vaapisink_show_frame;
797 basesink_class->render = gst_vaapisink_show_frame;
798 basesink_class->query = gst_vaapisink_query;
800 gst_element_class_set_details_simple(
802 gst_vaapisink_details.longname,
803 gst_vaapisink_details.klass,
804 gst_vaapisink_details.description,
805 gst_vaapisink_details.author
808 pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
809 gst_element_class_add_pad_template(element_class, pad_template);
810 gst_object_unref(pad_template);
812 #if USE_VAAPISINK_GLX
813 g_object_class_install_property
816 g_param_spec_boolean("use-glx",
818 "Enables GLX rendering",
822 g_object_class_install_property
825 g_param_spec_boolean("use-reflection",
827 "Enables OpenGL reflection effect",
832 g_object_class_install_property
835 g_param_spec_boolean("fullscreen",
837 "Requests window in fullscreen state",
842 * GstVaapiSink:synchronous:
844 * When enabled, runs the X display in synchronous mode. Note that
845 * this is used only for debugging.
847 g_object_class_install_property
850 g_param_spec_boolean("synchronous",
852 "Toggles X display synchronous mode",
858 gst_vaapisink_init(GstVaapiSink *sink)
861 sink->display = NULL;
863 sink->window_width = 0;
864 sink->window_height = 0;
865 sink->texture = NULL;
866 sink->video_width = 0;
867 sink->video_height = 0;
868 sink->video_par_n = 1;
869 sink->video_par_d = 1;
870 sink->foreign_window = FALSE;
871 sink->fullscreen = FALSE;
872 sink->synchronous = FALSE;
873 sink->use_glx = USE_VAAPISINK_GLX;
874 sink->use_reflection = FALSE;