gst/vaapi/gstvaapisink.c

   1 /*
   2  *  gstvaapisink.c - VA-API video sink
   3  *
   4  *  Copyright (C) 2010-2011 Splitted-Desktop Systems
   5  *  Copyright (C) 2011-2013 Intel Corporation
   6  *
   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.
  11  *
  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.
  16  *
  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
  21  */
  22
  23 /**
  24  * SECTION:gstvaapisink
  25  * @short_description: A VA-API based videosink
  26  *
  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.
  30  */
  31
  32 #include "gst/vaapi/sysdeps.h"
  33 #include <gst/gst.h>
  34 #include <gst/video/video.h>
  35 #include <gst/video/videocontext.h>
  36 #include <gst/vaapi/gstvaapivalue.h>
  37 #if USE_DRM
  38 # include <gst/vaapi/gstvaapidisplay_drm.h>
  39 #endif
  40 #if USE_X11
  41 # include <gst/vaapi/gstvaapidisplay_x11.h>
  42 # include <gst/vaapi/gstvaapiwindow_x11.h>
  43 #endif
  44 #if USE_GLX
  45 # include <gst/vaapi/gstvaapidisplay_glx.h>
  46 # include <gst/vaapi/gstvaapiwindow_glx.h>
  47 #endif
  48 #if USE_WAYLAND
  49 # include <gst/vaapi/gstvaapidisplay_wayland.h>
  50 # include <gst/vaapi/gstvaapiwindow_wayland.h>
  51 #endif
  52
  53 /* Supported interfaces */
  54 #if GST_CHECK_VERSION(1,0,0)
  55 # include <gst/video/videooverlay.h>
  56 #else
  57 # include <gst/interfaces/xoverlay.h>
  58
  59 # define GST_TYPE_VIDEO_OVERLAY         GST_TYPE_X_OVERLAY
  60 # define GST_VIDEO_OVERLAY              GST_X_OVERLAY
  61 # define GstVideoOverlay                GstXOverlay
  62 # define GstVideoOverlayInterface       GstXOverlayClass
  63
  64 # define gst_video_overlay_prepare_window_handle(sink) \
  65     gst_x_overlay_prepare_xwindow_id(sink)
  66 # define gst_video_overlay_got_window_handle(sink, window_handle) \
  67     gst_x_overlay_got_window_handle(sink, window_handle)
  68 #endif
  69
  70 #include "gstvaapisink.h"
  71 #include "gstvaapipluginutil.h"
  72 #include "gstvaapivideometa.h"
  73 #if GST_CHECK_VERSION(1,0,0)
  74 #include "gstvaapivideobufferpool.h"
  75 #include "gstvaapivideomemory.h"
  76 #endif
  77
  78 #define GST_PLUGIN_NAME "vaapisink"
  79 #define GST_PLUGIN_DESC "A VA-API based videosink"
  80
  81 GST_DEBUG_CATEGORY_STATIC(gst_debug_vaapisink);
  82 #define GST_CAT_DEFAULT gst_debug_vaapisink
  83
  84 /* Default template */
  85 static const char gst_vaapisink_sink_caps_str[] =
  86 #if !GST_CHECK_VERSION(1,0,0)
  87     "video/x-raw-yuv, "
  88     "width  = (int) [ 1, MAX ], "
  89     "height = (int) [ 1, MAX ]; "
  90 #endif
  91     GST_VAAPI_SURFACE_CAPS;
  92
  93 static GstStaticPadTemplate gst_vaapisink_sink_factory =
  94     GST_STATIC_PAD_TEMPLATE(
  95         "sink",
  96         GST_PAD_SINK,
  97         GST_PAD_ALWAYS,
  98         GST_STATIC_CAPS(gst_vaapisink_sink_caps_str));
  99
 100 /* GstImplementsInterface interface */
 101 #if !GST_CHECK_VERSION(1,0,0)
 102 static gboolean
 103 gst_vaapisink_implements_interface_supported(
 104     GstImplementsInterface *iface,
 105     GType                   type
 106 )
 107 {
 108     return (type == GST_TYPE_VIDEO_CONTEXT ||
 109             type == GST_TYPE_VIDEO_OVERLAY);
 110 }
 111
 112 static void
 113 gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface)
 114 {
 115     iface->supported = gst_vaapisink_implements_interface_supported;
 116 }
 117 #endif
 118
 119 /* GstVideoContext interface */
 120 static void
 121 gst_vaapisink_set_video_context(GstVideoContext *context, const gchar *type,
 122     const GValue *value)
 123 {
 124   GstVaapiSink *sink = GST_VAAPISINK (context);
 125   gst_vaapi_set_display (type, value, &sink->display);
 126 }
 127
 128 static void
 129 gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface)
 130 {
 131     iface->set_context = gst_vaapisink_set_video_context;
 132 }
 133
 134 static void
 135 gst_vaapisink_video_overlay_iface_init(GstVideoOverlayInterface *iface);
 136
 137 G_DEFINE_TYPE_WITH_CODE(
 138     GstVaapiSink,
 139     gst_vaapisink,
 140     GST_TYPE_VIDEO_SINK,
 141 #if !GST_CHECK_VERSION(1,0,0)
 142     G_IMPLEMENT_INTERFACE(GST_TYPE_IMPLEMENTS_INTERFACE,
 143                           gst_vaapisink_implements_iface_init);
 144 #endif
 145     G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_CONTEXT,
 146                           gst_vaapisink_video_context_iface_init);
 147     G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_OVERLAY,
 148                           gst_vaapisink_video_overlay_iface_init))
 149
 150 enum {
 151     PROP_0,
 152
 153     PROP_DISPLAY_TYPE,
 154     PROP_FULLSCREEN,
 155     PROP_SYNCHRONOUS,
 156     PROP_USE_REFLECTION,
 157     PROP_ROTATION,
 158 };
 159
 160 #define DEFAULT_DISPLAY_TYPE            GST_VAAPI_DISPLAY_TYPE_ANY
 161 #define DEFAULT_ROTATION                GST_VAAPI_ROTATION_0
 162
 163 /* GstVideoOverlay interface */
 164
 165 #if USE_X11
 166 static gboolean
 167 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id);
 168 #endif
 169
 170 static GstFlowReturn
 171 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
 172
 173 static void
 174 gst_vaapisink_video_overlay_set_window_handle(GstVideoOverlay *overlay, guintptr window)
 175 {
 176     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 177
 178     /* Disable GLX rendering when vaapisink is using a foreign X
 179        window. It's pretty much useless */
 180     if (sink->display_type == GST_VAAPI_DISPLAY_TYPE_GLX)
 181         sink->display_type = GST_VAAPI_DISPLAY_TYPE_X11;
 182
 183     sink->foreign_window = TRUE;
 184
 185     switch (sink->display_type) {
 186 #if USE_X11
 187     case GST_VAAPI_DISPLAY_TYPE_X11:
 188         gst_vaapisink_ensure_window_xid(sink, window);
 189         break;
 190 #endif
 191     default:
 192         break;
 193     }
 194 }
 195
 196 static void
 197 gst_vaapisink_video_overlay_set_render_rectangle(
 198     GstVideoOverlay *overlay,
 199     gint         x,
 200     gint         y,
 201     gint         width,
 202     gint         height
 203 )
 204 {
 205     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 206     GstVaapiRectangle * const display_rect = &sink->display_rect;
 207
 208     display_rect->x      = x;
 209     display_rect->y      = y;
 210     display_rect->width  = width;
 211     display_rect->height = height;
 212
 213     GST_DEBUG("render rect (%d,%d):%ux%u",
 214               display_rect->x, display_rect->y,
 215               display_rect->width, display_rect->height);
 216 }
 217
 218 static void
 219 gst_vaapisink_video_overlay_expose(GstVideoOverlay *overlay)
 220 {
 221     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 222     GstBaseSink * const base_sink = GST_BASE_SINK(overlay);
 223     GstBuffer *buffer;
 224
 225     if (sink->use_overlay)
 226         buffer = sink->video_buffer ? gst_buffer_ref(sink->video_buffer) : NULL;
 227     else {
 228 #if GST_CHECK_VERSION(1,0,0)
 229         GstSample * const sample = gst_base_sink_get_last_sample(base_sink);
 230         if (!sample)
 231             return;
 232         buffer = gst_buffer_ref(gst_sample_get_buffer(sample));
 233         gst_sample_unref(sample);
 234 #else
 235         buffer = gst_base_sink_get_last_buffer(base_sink);
 236 #endif
 237     }
 238     if (buffer) {
 239         gst_vaapisink_show_frame(base_sink, buffer);
 240         gst_buffer_unref(buffer);
 241     }
 242 }
 243
 244 static void
 245 gst_vaapisink_video_overlay_iface_init(GstVideoOverlayInterface *iface)
 246 {
 247     iface->set_window_handle    = gst_vaapisink_video_overlay_set_window_handle;
 248     iface->set_render_rectangle = gst_vaapisink_video_overlay_set_render_rectangle;
 249     iface->expose               = gst_vaapisink_video_overlay_expose;
 250 }
 251
 252 static void
 253 gst_vaapisink_destroy(GstVaapiSink *sink)
 254 {
 255     gst_buffer_replace(&sink->video_buffer, NULL);
 256 #if USE_GLX
 257     gst_vaapi_texture_replace(&sink->texture, NULL);
 258 #endif
 259     gst_vaapi_display_replace(&sink->display, NULL);
 260     g_clear_object(&sink->uploader);
 261
 262     gst_caps_replace(&sink->caps, NULL);
 263 }
 264
 265 #if USE_X11
 266 /* Checks whether a ConfigureNotify event is in the queue */
 267 typedef struct _ConfigureNotifyEventPendingArgs ConfigureNotifyEventPendingArgs;
 268 struct _ConfigureNotifyEventPendingArgs {
 269     Window      window;
 270     guint       width;
 271     guint       height;
 272     gboolean    match;
 273 };
 274
 275 static Bool
 276 configure_notify_event_pending_cb(Display *dpy, XEvent *xev, XPointer arg)
 277 {
 278     ConfigureNotifyEventPendingArgs * const args =
 279         (ConfigureNotifyEventPendingArgs *)arg;
 280
 281     if (xev->type == ConfigureNotify &&
 282         xev->xconfigure.window == args->window &&
 283         xev->xconfigure.width  == args->width  &&
 284         xev->xconfigure.height == args->height)
 285         args->match = TRUE;
 286
 287     /* XXX: this is a hack to traverse the whole queue because we
 288        can't use XPeekIfEvent() since it could block */
 289     return False;
 290 }
 291
 292 static gboolean
 293 configure_notify_event_pending(
 294     GstVaapiSink *sink,
 295     Window        window,
 296     guint         width,
 297     guint         height
 298 )
 299 {
 300     ConfigureNotifyEventPendingArgs args;
 301     XEvent xev;
 302
 303     args.window = window;
 304     args.width  = width;
 305     args.height = height;
 306     args.match  = FALSE;
 307
 308     /* XXX: don't use XPeekIfEvent() because it might block */
 309     XCheckIfEvent(
 310         gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
 311         &xev,
 312         configure_notify_event_pending_cb, (XPointer)&args
 313     );
 314     return args.match;
 315 }
 316 #endif
 317
 318 static const gchar *
 319 get_display_type_name(GstVaapiDisplayType display_type)
 320 {
 321     gpointer const klass = g_type_class_peek(GST_VAAPI_TYPE_DISPLAY_TYPE);
 322     GEnumValue * const e = g_enum_get_value(klass, display_type);
 323
 324     if (e)
 325         return e->value_name;
 326     return "<unknown-type>";
 327 }
 328
 329 static inline gboolean
 330 gst_vaapisink_ensure_display(GstVaapiSink *sink)
 331 {
 332     GstVaapiDisplayType display_type;
 333     GstVaapiRenderMode render_mode;
 334     const gboolean had_display = sink->display != NULL;
 335
 336     if (!gst_vaapi_ensure_display(sink, sink->display_type, &sink->display))
 337         return FALSE;
 338
 339     display_type = gst_vaapi_display_get_display_type(sink->display);
 340     if (display_type != sink->display_type || (!had_display && sink->display)) {
 341         GST_INFO("created %s %p", get_display_type_name(display_type),
 342             sink->display);
 343         sink->display_type = display_type;
 344
 345         sink->use_overlay =
 346             gst_vaapi_display_get_render_mode(sink->display, &render_mode) &&
 347             render_mode == GST_VAAPI_RENDER_MODE_OVERLAY;
 348         GST_DEBUG("use %s rendering mode", sink->use_overlay ? "overlay" : "texture");
 349
 350         sink->use_rotation = gst_vaapi_display_has_property(
 351             sink->display, GST_VAAPI_DISPLAY_PROP_ROTATION);
 352     }
 353     return TRUE;
 354 }
 355
 356 static gboolean
 357 gst_vaapisink_ensure_uploader(GstVaapiSink *sink)
 358 {
 359     if (!gst_vaapisink_ensure_display(sink))
 360         return FALSE;
 361
 362     if (!sink->uploader) {
 363         sink->uploader = gst_vaapi_uploader_new(sink->display);
 364         if (!sink->uploader)
 365             return FALSE;
 366     }
 367     return TRUE;
 368 }
 369
 370 static gboolean
 371 gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
 372 {
 373     GstVaapiRectangle * const display_rect = &sink->display_rect;
 374     guint num, den, display_par_n, display_par_d;
 375     gboolean success;
 376
 377     /* Return success if caps are not set yet */
 378     if (!sink->caps)
 379         return TRUE;
 380
 381     GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
 382
 383     gst_vaapi_display_get_pixel_aspect_ratio(
 384         sink->display,
 385         &display_par_n, &display_par_d
 386     );
 387     GST_DEBUG("display pixel-aspect-ratio %d/%d",
 388               display_par_n, display_par_d);
 389
 390     success = gst_video_calculate_display_ratio(
 391         &num, &den,
 392         sink->video_width, sink->video_height,
 393         sink->video_par_n, sink->video_par_d,
 394         display_par_n, display_par_d
 395     );
 396     if (!success)
 397         return FALSE;
 398     GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
 399               sink->video_width, sink->video_height, num, den);
 400
 401     display_rect->width = gst_util_uint64_scale_int(height, num, den);
 402     if (display_rect->width <= width) {
 403         GST_DEBUG("keeping window height");
 404         display_rect->height = height;
 405     }
 406     else {
 407         GST_DEBUG("keeping window width");
 408         display_rect->width  = width;
 409         display_rect->height =
 410             gst_util_uint64_scale_int(width, den, num);
 411     }
 412     GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
 413
 414     g_assert(display_rect->width  <= width);
 415     g_assert(display_rect->height <= height);
 416
 417     display_rect->x = (width  - display_rect->width)  / 2;
 418     display_rect->y = (height - display_rect->height) / 2;
 419
 420     GST_DEBUG("render rect (%d,%d):%ux%u",
 421               display_rect->x, display_rect->y,
 422               display_rect->width, display_rect->height);
 423     return TRUE;
 424 }
 425
 426 static void
 427 gst_vaapisink_ensure_window_size(GstVaapiSink *sink, guint *pwidth, guint *pheight)
 428 {
 429     GstVideoRectangle src_rect, dst_rect, out_rect;
 430     guint num, den, display_width, display_height, display_par_n, display_par_d;
 431     gboolean success, scale;
 432
 433     if (sink->foreign_window) {
 434         *pwidth  = sink->window_width;
 435         *pheight = sink->window_height;
 436         return;
 437     }
 438
 439     gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
 440     if (sink->fullscreen) {
 441         *pwidth  = display_width;
 442         *pheight = display_height;
 443         return;
 444     }
 445
 446     gst_vaapi_display_get_pixel_aspect_ratio(
 447         sink->display,
 448         &display_par_n, &display_par_d
 449     );
 450
 451     success = gst_video_calculate_display_ratio(
 452         &num, &den,
 453         sink->video_width, sink->video_height,
 454         sink->video_par_n, sink->video_par_d,
 455         display_par_n, display_par_d
 456     );
 457     if (!success) {
 458         num = sink->video_par_n;
 459         den = sink->video_par_d;
 460     }
 461
 462     src_rect.x = 0;
 463     src_rect.y = 0;
 464     src_rect.w = gst_util_uint64_scale_int(sink->video_height, num, den);
 465     src_rect.h = sink->video_height;
 466     dst_rect.x = 0;
 467     dst_rect.y = 0;
 468     dst_rect.w = display_width;
 469     dst_rect.h = display_height;
 470     scale      = (src_rect.w > dst_rect.w || src_rect.h > dst_rect.h);
 471     gst_video_sink_center_rect(src_rect, dst_rect, &out_rect, scale);
 472     *pwidth    = out_rect.w;
 473     *pheight   = out_rect.h;
 474 }
 475
 476 static inline gboolean
 477 gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
 478 {
 479     GstVaapiDisplay * const display = sink->display;
 480
 481     if (!sink->window) {
 482         switch (sink->display_type) {
 483 #if USE_GLX
 484         case GST_VAAPI_DISPLAY_TYPE_GLX:
 485             sink->window = gst_vaapi_window_glx_new(display, width, height);
 486             goto notify_video_overlay_interface;
 487 #endif
 488 #if USE_X11
 489         case GST_VAAPI_DISPLAY_TYPE_X11:
 490             sink->window = gst_vaapi_window_x11_new(display, width, height);
 491         notify_video_overlay_interface:
 492             if (!sink->window)
 493                 break;
 494             gst_video_overlay_got_window_handle(
 495                 GST_VIDEO_OVERLAY(sink),
 496                 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
 497             );
 498             break;
 499 #endif
 500 #if USE_WAYLAND
 501         case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
 502             sink->window = gst_vaapi_window_wayland_new(display, width, height);
 503             break;
 504 #endif
 505         default:
 506             GST_ERROR("unsupported display type %d", sink->display_type);
 507             return FALSE;
 508         }
 509     }
 510     return sink->window != NULL;
 511 }
 512
 513 #if USE_X11
 514 static gboolean
 515 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id)
 516 {
 517     Window rootwin;
 518     unsigned int width, height, border_width, depth;
 519     int x, y;
 520     XID xid = window_id;
 521
 522     if (!gst_vaapisink_ensure_display(sink))
 523         return FALSE;
 524
 525     gst_vaapi_display_lock(sink->display);
 526     XGetGeometry(
 527         gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
 528         xid,
 529         &rootwin,
 530         &x, &y, &width, &height, &border_width, &depth
 531     );
 532     gst_vaapi_display_unlock(sink->display);
 533
 534     if ((width != sink->window_width || height != sink->window_height) &&
 535         !configure_notify_event_pending(sink, xid, width, height)) {
 536         if (!gst_vaapisink_ensure_render_rect(sink, width, height))
 537             return FALSE;
 538         sink->window_width  = width;
 539         sink->window_height = height;
 540     }
 541
 542     if (sink->window &&
 543         gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window)) == xid)
 544         return TRUE;
 545
 546     gst_vaapi_window_replace(&sink->window, NULL);
 547
 548     switch (sink->display_type) {
 549 #if USE_GLX
 550     case GST_VAAPI_DISPLAY_TYPE_GLX:
 551         sink->window = gst_vaapi_window_glx_new_with_xid(sink->display, xid);
 552         break;
 553 #endif
 554     case GST_VAAPI_DISPLAY_TYPE_X11:
 555         sink->window = gst_vaapi_window_x11_new_with_xid(sink->display, xid);
 556         break;
 557     default:
 558         GST_ERROR("unsupported display type %d", sink->display_type);
 559         return FALSE;
 560     }
 561     return sink->window != NULL;
 562 }
 563 #endif
 564
 565 static gboolean
 566 gst_vaapisink_ensure_rotation(GstVaapiSink *sink, gboolean recalc_display_rect)
 567 {
 568     gboolean success = FALSE;
 569
 570     g_return_val_if_fail(sink->display, FALSE);
 571
 572     if (sink->rotation == sink->rotation_req)
 573         return TRUE;
 574
 575     if (!sink->use_rotation) {
 576         GST_WARNING("VA display does not support rotation");
 577         goto end;
 578     }
 579
 580     gst_vaapi_display_lock(sink->display);
 581     success = gst_vaapi_display_set_rotation(sink->display, sink->rotation_req);
 582     gst_vaapi_display_unlock(sink->display);
 583     if (!success) {
 584         GST_ERROR("failed to change VA display rotation mode");
 585         goto end;
 586     }
 587
 588     if (((sink->rotation + sink->rotation_req) % 180) == 90) {
 589         /* Orientation changed */
 590         G_PRIMITIVE_SWAP(guint, sink->video_width, sink->video_height);
 591         G_PRIMITIVE_SWAP(gint, sink->video_par_n, sink->video_par_d);
 592     }
 593
 594     if (recalc_display_rect && !sink->foreign_window)
 595         gst_vaapisink_ensure_render_rect(sink, sink->window_width,
 596             sink->window_height);
 597     success = TRUE;
 598
 599 end:
 600     sink->rotation = sink->rotation_req;
 601     return success;
 602 }
 603
 604 static gboolean
 605 gst_vaapisink_ensure_video_buffer_pool(GstVaapiSink *sink, GstCaps *caps)
 606 {
 607 #if GST_CHECK_VERSION(1,0,0)
 608     GstBufferPool *pool;
 609     GstCaps *pool_caps;
 610     GstStructure *config;
 611     GstVideoInfo vi;
 612     gboolean need_pool;
 613
 614     if (!gst_vaapisink_ensure_display(sink))
 615         return FALSE;
 616
 617     if (sink->video_buffer_pool) {
 618         config = gst_buffer_pool_get_config(sink->video_buffer_pool);
 619         gst_buffer_pool_config_get_params(config, &pool_caps, NULL, NULL, NULL);
 620         need_pool = !gst_caps_is_equal(caps, pool_caps);
 621         gst_structure_free(config);
 622         if (!need_pool)
 623             return TRUE;
 624         g_clear_object(&sink->video_buffer_pool);
 625         sink->video_buffer_size = 0;
 626     }
 627
 628     pool = gst_vaapi_video_buffer_pool_new(sink->display);
 629     if (!pool)
 630         goto error_create_pool;
 631
 632     gst_video_info_init(&vi);
 633     gst_video_info_from_caps(&vi, caps);
 634     if (GST_VIDEO_INFO_FORMAT(&vi) == GST_VIDEO_FORMAT_ENCODED) {
 635         GST_DEBUG("assume video buffer pool format is NV12");
 636         gst_video_info_set_format(&vi, GST_VIDEO_FORMAT_NV12,
 637             GST_VIDEO_INFO_WIDTH(&vi), GST_VIDEO_INFO_HEIGHT(&vi));
 638     }
 639     sink->video_buffer_size = vi.size;
 640
 641     config = gst_buffer_pool_get_config(pool);
 642     gst_buffer_pool_config_set_params(config, caps, sink->video_buffer_size,
 643         0, 0);
 644     gst_buffer_pool_config_add_option(config,
 645         GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META);
 646     if (!gst_buffer_pool_set_config(pool, config))
 647         goto error_pool_config;
 648     sink->video_buffer_pool = pool;
 649     return TRUE;
 650
 651     /* ERRORS */
 652 error_create_pool:
 653     {
 654         GST_ERROR("failed to create buffer pool");
 655         return FALSE;
 656     }
 657 error_pool_config:
 658     {
 659         GST_ERROR("failed to reset buffer pool config");
 660         gst_object_unref(pool);
 661         return FALSE;
 662     }
 663 #else
 664     return TRUE;
 665 #endif
 666 }
 667
 668 static gboolean
 669 gst_vaapisink_start(GstBaseSink *base_sink)
 670 {
 671     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 672
 673     if (!gst_vaapisink_ensure_display(sink))
 674         return FALSE;
 675
 676     sink->uploader = gst_vaapi_uploader_new(sink->display);
 677     if (!sink->uploader)
 678         return FALSE;
 679     return TRUE;
 680 }
 681
 682 static gboolean
 683 gst_vaapisink_stop(GstBaseSink *base_sink)
 684 {
 685     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 686
 687     gst_buffer_replace(&sink->video_buffer, NULL);
 688 #if GST_CHECK_VERSION(1,0,0)
 689     g_clear_object(&sink->video_buffer_pool);
 690 #endif
 691     gst_vaapi_window_replace(&sink->window, NULL);
 692     gst_vaapi_display_replace(&sink->display, NULL);
 693     g_clear_object(&sink->uploader);
 694
 695     return TRUE;
 696 }
 697
 698 static GstCaps *
 699 gst_vaapisink_get_caps_impl(GstBaseSink *base_sink)
 700 {
 701     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 702     GstCaps *out_caps, *yuv_caps;
 703
 704     out_caps = gst_caps_from_string(GST_VAAPI_SURFACE_CAPS);
 705     if (!out_caps)
 706         return NULL;
 707
 708     if (gst_vaapisink_ensure_uploader(sink)) {
 709         yuv_caps = gst_vaapi_uploader_get_caps(sink->uploader);
 710         if (yuv_caps)
 711             gst_caps_append(out_caps, gst_caps_copy(yuv_caps));
 712     }
 713     return out_caps;
 714 }
 715
 716 #if GST_CHECK_VERSION(1,0,0)
 717 static inline GstCaps *
 718 gst_vaapisink_get_caps(GstBaseSink *base_sink, GstCaps *filter)
 719 {
 720     return gst_vaapisink_get_caps_impl(base_sink);
 721 }
 722 #else
 723 #define gst_vaapisink_get_caps gst_vaapisink_get_caps_impl
 724 #endif
 725
 726 static gboolean
 727 gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
 728 {
 729     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 730     GstVideoInfo vi;
 731     guint win_width, win_height;
 732
 733 #if USE_DRM
 734     if (sink->display_type == GST_VAAPI_DISPLAY_TYPE_DRM)
 735         return TRUE;
 736 #endif
 737
 738     if (!gst_vaapisink_ensure_video_buffer_pool(sink, caps))
 739         return FALSE;
 740
 741     if (!gst_video_info_from_caps(&vi, caps))
 742         return FALSE;
 743     sink->use_video_raw = GST_VIDEO_INFO_IS_YUV(&vi);
 744     sink->video_width   = GST_VIDEO_INFO_WIDTH(&vi);
 745     sink->video_height  = GST_VIDEO_INFO_HEIGHT(&vi);
 746     sink->video_par_n   = GST_VIDEO_INFO_PAR_N(&vi);
 747     sink->video_par_d   = GST_VIDEO_INFO_PAR_D(&vi);
 748     GST_DEBUG("video pixel-aspect-ratio %d/%d",
 749               sink->video_par_n, sink->video_par_d);
 750
 751     gst_caps_replace(&sink->caps, caps);
 752
 753     if (!gst_vaapisink_ensure_display(sink))
 754         return FALSE;
 755
 756     gst_vaapisink_ensure_rotation(sink, FALSE);
 757
 758     gst_vaapisink_ensure_window_size(sink, &win_width, &win_height);
 759     if (sink->window) {
 760         if (!sink->foreign_window || sink->fullscreen)
 761             gst_vaapi_window_set_size(sink->window, win_width, win_height);
 762     }
 763     else {
 764         gst_vaapi_display_lock(sink->display);
 765         gst_video_overlay_prepare_window_handle(GST_VIDEO_OVERLAY(sink));
 766         gst_vaapi_display_unlock(sink->display);
 767         if (sink->window)
 768             return TRUE;
 769         if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
 770             return FALSE;
 771         gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
 772         gst_vaapi_window_show(sink->window);
 773         gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
 774     }
 775     sink->window_width  = win_width;
 776     sink->window_height = win_height;
 777     GST_DEBUG("window size %ux%u", win_width, win_height);
 778
 779     return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
 780 }
 781
 782 #if USE_GLX
 783 static void
 784 render_background(GstVaapiSink *sink)
 785 {
 786     /* Original code from Mirco Muller (MacSlow):
 787        <http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
 788     GLfloat fStartX = 0.0f;
 789     GLfloat fStartY = 0.0f;
 790     GLfloat fWidth  = (GLfloat)sink->window_width;
 791     GLfloat fHeight = (GLfloat)sink->window_height;
 792
 793     glClear(GL_COLOR_BUFFER_BIT);
 794     glBegin(GL_QUADS);
 795     {
 796         /* top third, darker grey to white */
 797         glColor3f(0.85f, 0.85f, 0.85f);
 798         glVertex3f(fStartX, fStartY, 0.0f);
 799         glColor3f(0.85f, 0.85f, 0.85f);
 800         glVertex3f(fStartX + fWidth, fStartY, 0.0f);
 801         glColor3f(1.0f, 1.0f, 1.0f);
 802         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 803         glColor3f(1.0f, 1.0f, 1.0f);
 804         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 805
 806         /* middle third, just plain white */
 807         glColor3f(1.0f, 1.0f, 1.0f);
 808         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 809         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 810         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 811         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 812
 813         /* bottom third, white to lighter grey */
 814         glColor3f(1.0f, 1.0f, 1.0f);
 815         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 816         glColor3f(1.0f, 1.0f, 1.0f);
 817         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 818         glColor3f(0.62f, 0.66f, 0.69f);
 819         glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
 820         glColor3f(0.62f, 0.66f, 0.69f);
 821         glVertex3f(fStartX, fStartY + fHeight, 0.0f);
 822     }
 823     glEnd();
 824 }
 825
 826 static void
 827 render_frame(GstVaapiSink *sink)
 828 {
 829     const guint x1 = sink->display_rect.x;
 830     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 831     const guint y1 = sink->display_rect.y;
 832     const guint y2 = sink->display_rect.y + sink->display_rect.height;
 833
 834     glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 835     glBegin(GL_QUADS);
 836     {
 837         glTexCoord2f(0.0f, 0.0f); glVertex2i(x1, y1);
 838         glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y2);
 839         glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y2);
 840         glTexCoord2f(1.0f, 0.0f); glVertex2i(x2, y1);
 841     }
 842     glEnd();
 843 }
 844
 845 static void
 846 render_reflection(GstVaapiSink *sink)
 847 {
 848     const guint x1 = sink->display_rect.x;
 849     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 850     const guint y1 = sink->display_rect.y;
 851     const guint rh = sink->display_rect.height / 5;
 852     GLfloat     ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
 853
 854     glBegin(GL_QUADS);
 855     {
 856         glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 857         glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
 858         glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
 859
 860         glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
 861         glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
 862         glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
 863     }
 864     glEnd();
 865 }
 866
 867 static gboolean
 868 gst_vaapisink_show_frame_glx(
 869     GstVaapiSink    *sink,
 870     GstVaapiSurface *surface,
 871     guint            flags
 872 )
 873 {
 874     GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
 875     GLenum target;
 876     GLuint texture;
 877
 878     gst_vaapi_window_glx_make_current(window);
 879     if (!sink->texture) {
 880         sink->texture = gst_vaapi_texture_new(
 881             sink->display,
 882             GL_TEXTURE_2D,
 883             GL_BGRA,
 884             sink->video_width,
 885             sink->video_height
 886         );
 887         if (!sink->texture)
 888             goto error_create_texture;
 889     }
 890     if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
 891         goto error_transfer_surface;
 892
 893     target  = gst_vaapi_texture_get_target(sink->texture);
 894     texture = gst_vaapi_texture_get_id(sink->texture);
 895     if (target != GL_TEXTURE_2D || !texture)
 896         return FALSE;
 897
 898     if (sink->use_reflection)
 899         render_background(sink);
 900
 901     glEnable(target);
 902     glBindTexture(target, texture);
 903     {
 904         if (sink->use_reflection) {
 905             glPushMatrix();
 906             glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
 907             glTranslatef(50.0f, 0.0f, 0.0f);
 908         }
 909         render_frame(sink);
 910         if (sink->use_reflection) {
 911             glPushMatrix();
 912             glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
 913             render_reflection(sink);
 914             glPopMatrix();
 915             glPopMatrix();
 916         }
 917     }
 918     glBindTexture(target, 0);
 919     glDisable(target);
 920     gst_vaapi_window_glx_swap_buffers(window);
 921     return TRUE;
 922
 923     /* ERRORS */
 924 error_create_texture:
 925     {
 926         GST_DEBUG("could not create VA/GLX texture");
 927         return FALSE;
 928     }
 929 error_transfer_surface:
 930     {
 931         GST_DEBUG("could not transfer VA surface to texture");
 932         return FALSE;
 933     }
 934 }
 935 #endif
 936
 937 static inline gboolean
 938 gst_vaapisink_put_surface(
 939     GstVaapiSink    *sink,
 940     GstVaapiSurface *surface,
 941     guint            flags
 942 )
 943 {
 944     if (!gst_vaapi_window_put_surface(sink->window, surface,
 945                 NULL, &sink->display_rect, flags)) {
 946         GST_DEBUG("could not render VA surface");
 947         return FALSE;
 948     }
 949     return TRUE;
 950 }
 951
 952 static GstFlowReturn
 953 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *src_buffer)
 954 {
 955     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 956     GstVaapiVideoMeta *meta;
 957     GstVaapiSurface *surface;
 958     GstBuffer *buffer;
 959     guint flags;
 960     gboolean success;
 961
 962     meta = gst_buffer_get_vaapi_video_meta(src_buffer);
 963 #if GST_CHECK_VERSION(1,0,0)
 964     if (!meta)
 965         return GST_FLOW_EOS;
 966     buffer = gst_buffer_ref(src_buffer);
 967 #else
 968     if (meta)
 969         buffer = gst_buffer_ref(src_buffer);
 970     else if (sink->use_video_raw) {
 971         buffer = gst_vaapi_uploader_get_buffer(sink->uploader);
 972         if (!buffer)
 973             return GST_FLOW_EOS;
 974         meta = gst_buffer_get_vaapi_video_meta(buffer);
 975         if (!meta)
 976             goto error;
 977     }
 978     else
 979         return GST_FLOW_EOS;
 980
 981     if (sink->use_video_raw &&
 982         !gst_vaapi_uploader_process(sink->uploader, src_buffer, buffer)) {
 983         GST_WARNING("failed to process raw YUV buffer");
 984         goto error;
 985     }
 986 #endif
 987
 988     if (sink->display != gst_vaapi_video_meta_get_display(meta))
 989         gst_vaapi_display_replace(&sink->display,
 990             gst_vaapi_video_meta_get_display(meta));
 991
 992     if (!sink->window)
 993         goto error;
 994
 995     gst_vaapisink_ensure_rotation(sink, TRUE);
 996
 997     surface = gst_vaapi_video_meta_get_surface(meta);
 998     if (!surface)
 999         goto error;
1000
1001     GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
1002               GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
1003
1004     flags = gst_vaapi_video_meta_get_render_flags(meta);
1005
1006     if (!gst_vaapi_apply_composition(surface, src_buffer))
1007         GST_WARNING("could not update subtitles");
1008
1009     switch (sink->display_type) {
1010 #if USE_GLX
1011     case GST_VAAPI_DISPLAY_TYPE_GLX:
1012         success = gst_vaapisink_show_frame_glx(sink, surface, flags);
1013         break;
1014 #endif
1015 #if USE_DRM
1016     case GST_VAAPI_DISPLAY_TYPE_DRM:
1017         success = TRUE;
1018         break;
1019 #endif
1020 #if USE_X11
1021     case GST_VAAPI_DISPLAY_TYPE_X11:
1022         success = gst_vaapisink_put_surface(sink, surface, flags);
1023         break;
1024 #endif
1025 #if USE_WAYLAND
1026     case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
1027         success = gst_vaapisink_put_surface(sink, surface, flags);
1028         break;
1029 #endif
1030     default:
1031         GST_ERROR("unsupported display type %d", sink->display_type);
1032         success = FALSE;
1033         break;
1034     }
1035     if (!success)
1036         goto error;
1037
1038     /* Retain VA surface until the next one is displayed */
1039     if (sink->use_overlay)
1040         gst_buffer_replace(&sink->video_buffer, buffer);
1041     gst_buffer_unref(buffer);
1042     return GST_FLOW_OK;
1043
1044 error:
1045     gst_buffer_unref(buffer);
1046     return GST_FLOW_EOS;
1047 }
1048
1049 #if GST_CHECK_VERSION(1,0,0)
1050 static gboolean
1051 gst_vaapisink_propose_allocation(GstBaseSink *base_sink, GstQuery *query)
1052 {
1053     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1054     GstCaps *caps = NULL;
1055     gboolean need_pool;
1056
1057     gst_query_parse_allocation(query, &caps, &need_pool);
1058
1059     if (need_pool) {
1060         if (!caps)
1061             goto error_no_caps;
1062         if (!gst_vaapisink_ensure_video_buffer_pool(sink, caps))
1063             return FALSE;
1064         gst_query_add_allocation_pool(query, sink->video_buffer_pool,
1065             sink->video_buffer_size, 0, 0);
1066     }
1067
1068     gst_query_add_allocation_meta(query,
1069         GST_VAAPI_VIDEO_META_API_TYPE, NULL);
1070     gst_query_add_allocation_meta(query,
1071         GST_VIDEO_META_API_TYPE, NULL);
1072     gst_query_add_allocation_meta(query,
1073         GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
1074     return TRUE;
1075
1076     /* ERRORS */
1077 error_no_caps:
1078     {
1079         GST_ERROR("no caps specified");
1080         return FALSE;
1081     }
1082 }
1083 #else
1084 static GstFlowReturn
1085 gst_vaapisink_buffer_alloc(
1086     GstBaseSink        *base_sink,
1087     guint64             offset,
1088     guint               size,
1089     GstCaps            *caps,
1090     GstBuffer         **pbuf
1091 )
1092 {
1093     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1094     GstVideoInfo vi;
1095     GstBuffer *buf;
1096
1097     *pbuf = NULL;
1098
1099     if (!sink->use_video_raw) {
1100         /* Note: this code path is rarely used but for raw YUV formats
1101            from custom pipeline. Otherwise, GstBaseSink::set_caps() is
1102            called first, and GstBaseSink::buffer_alloc() is not called
1103            in VA surface format mode */
1104         if (!gst_video_info_from_caps(&vi, caps))
1105             return GST_FLOW_NOT_SUPPORTED;
1106         if (!GST_VIDEO_INFO_IS_YUV(&vi))
1107             return GST_FLOW_OK;
1108     }
1109
1110     if (!gst_vaapi_uploader_ensure_display(sink->uploader, sink->display))
1111         return GST_FLOW_NOT_SUPPORTED;
1112     if (!gst_vaapi_uploader_ensure_caps(sink->uploader, caps, NULL))
1113         return GST_FLOW_NOT_SUPPORTED;
1114
1115     buf = gst_vaapi_uploader_get_buffer(sink->uploader);
1116     if (!buf) {
1117         GST_WARNING("failed to allocate resources for raw YUV buffer");
1118         return GST_FLOW_NOT_SUPPORTED;
1119     }
1120
1121     *pbuf = buf;
1122     return GST_FLOW_OK;
1123 }
1124 #endif
1125
1126 static gboolean
1127 gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
1128 {
1129     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1130
1131     if (gst_vaapi_reply_to_query(query, sink->display)) {
1132         GST_DEBUG("sharing display %p", sink->display);
1133         return TRUE;
1134     }
1135     return GST_BASE_SINK_CLASS(gst_vaapisink_parent_class)->query(base_sink,
1136         query);
1137 }
1138
1139 static void
1140 gst_vaapisink_finalize(GObject *object)
1141 {
1142     gst_vaapisink_destroy(GST_VAAPISINK(object));
1143
1144     G_OBJECT_CLASS(gst_vaapisink_parent_class)->finalize(object);
1145 }
1146
1147 static void
1148 gst_vaapisink_set_property(
1149     GObject      *object,
1150     guint         prop_id,
1151     const GValue *value,
1152     GParamSpec   *pspec
1153 )
1154 {
1155     GstVaapiSink * const sink = GST_VAAPISINK(object);
1156
1157     switch (prop_id) {
1158     case PROP_DISPLAY_TYPE:
1159         sink->display_type = g_value_get_enum(value);
1160         break;
1161     case PROP_FULLSCREEN:
1162         sink->fullscreen = g_value_get_boolean(value);
1163         break;
1164     case PROP_SYNCHRONOUS:
1165         sink->synchronous = g_value_get_boolean(value);
1166         break;
1167     case PROP_USE_REFLECTION:
1168         sink->use_reflection = g_value_get_boolean(value);
1169         break;
1170     case PROP_ROTATION:
1171         sink->rotation_req = g_value_get_enum(value);
1172         break;
1173     default:
1174         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1175         break;
1176     }
1177 }
1178
1179 static void
1180 gst_vaapisink_get_property(
1181     GObject    *object,
1182     guint       prop_id,
1183     GValue     *value,
1184     GParamSpec *pspec
1185 )
1186 {
1187     GstVaapiSink * const sink = GST_VAAPISINK(object);
1188
1189     switch (prop_id) {
1190     case PROP_DISPLAY_TYPE:
1191         g_value_set_enum(value, sink->display_type);
1192         break;
1193     case PROP_FULLSCREEN:
1194         g_value_set_boolean(value, sink->fullscreen);
1195         break;
1196     case PROP_SYNCHRONOUS:
1197         g_value_set_boolean(value, sink->synchronous);
1198         break;
1199     case PROP_USE_REFLECTION:
1200         g_value_set_boolean(value, sink->use_reflection);
1201         break;
1202     case PROP_ROTATION:
1203         g_value_set_enum(value, sink->rotation);
1204         break;
1205     default:
1206         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1207         break;
1208     }
1209 }
1210
1211 static void
1212 gst_vaapisink_class_init(GstVaapiSinkClass *klass)
1213 {
1214     GObjectClass * const     object_class   = G_OBJECT_CLASS(klass);
1215     GstElementClass * const  element_class  = GST_ELEMENT_CLASS(klass);
1216     GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
1217     GstPadTemplate *pad_template;
1218
1219     GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
1220                             GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
1221
1222     object_class->finalize       = gst_vaapisink_finalize;
1223     object_class->set_property   = gst_vaapisink_set_property;
1224     object_class->get_property   = gst_vaapisink_get_property;
1225
1226     basesink_class->start        = gst_vaapisink_start;
1227     basesink_class->stop         = gst_vaapisink_stop;
1228     basesink_class->get_caps     = gst_vaapisink_get_caps;
1229     basesink_class->set_caps     = gst_vaapisink_set_caps;
1230     basesink_class->preroll      = gst_vaapisink_show_frame;
1231     basesink_class->render       = gst_vaapisink_show_frame;
1232     basesink_class->query        = gst_vaapisink_query;
1233 #if GST_CHECK_VERSION(1,0,0)
1234     basesink_class->propose_allocation = gst_vaapisink_propose_allocation;
1235 #else
1236     basesink_class->buffer_alloc = gst_vaapisink_buffer_alloc;
1237 #endif
1238
1239     gst_element_class_set_static_metadata(element_class,
1240         "VA-API sink",
1241         "Sink/Video",
1242         GST_PLUGIN_DESC,
1243         "Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
1244
1245     pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
1246     gst_element_class_add_pad_template(element_class, pad_template);
1247
1248     g_object_class_install_property
1249         (object_class,
1250          PROP_DISPLAY_TYPE,
1251          g_param_spec_enum("display",
1252                            "display type",
1253                            "display type to use",
1254                            GST_VAAPI_TYPE_DISPLAY_TYPE,
1255                            GST_VAAPI_DISPLAY_TYPE_ANY,
1256                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1257
1258 #if USE_GLX
1259     g_object_class_install_property
1260         (object_class,
1261          PROP_USE_REFLECTION,
1262          g_param_spec_boolean("use-reflection",
1263                               "Reflection effect",
1264                               "Enables OpenGL reflection effect",
1265                               FALSE,
1266                               G_PARAM_READWRITE));
1267 #endif
1268
1269     g_object_class_install_property
1270         (object_class,
1271          PROP_FULLSCREEN,
1272          g_param_spec_boolean("fullscreen",
1273                               "Fullscreen",
1274                               "Requests window in fullscreen state",
1275                               FALSE,
1276                               G_PARAM_READWRITE));
1277
1278     /**
1279      * GstVaapiSink:synchronous:
1280      *
1281      * When enabled, runs the X display in synchronous mode. Note that
1282      * this is used only for debugging.
1283      */
1284     g_object_class_install_property
1285         (object_class,
1286          PROP_SYNCHRONOUS,
1287          g_param_spec_boolean("synchronous",
1288                               "Synchronous mode",
1289                               "Toggles X display synchronous mode",
1290                               FALSE,
1291                               G_PARAM_READWRITE));
1292
1293     /**
1294      * GstVaapiSink:rotation:
1295      *
1296      * The VA display rotation mode, expressed as a #GstVaapiRotation.
1297      */
1298     g_object_class_install_property
1299         (object_class,
1300          PROP_ROTATION,
1301          g_param_spec_enum(GST_VAAPI_DISPLAY_PROP_ROTATION,
1302                            "rotation",
1303                            "The display rotation mode",
1304                            GST_VAAPI_TYPE_ROTATION,
1305                            DEFAULT_ROTATION,
1306                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1307 }
1308
1309 static void
1310 gst_vaapisink_init(GstVaapiSink *sink)
1311 {
1312     sink->caps           = NULL;
1313     sink->display        = NULL;
1314     sink->window         = NULL;
1315     sink->window_width   = 0;
1316     sink->window_height  = 0;
1317     sink->texture        = NULL;
1318     sink->video_buffer   = NULL;
1319     sink->video_width    = 0;
1320     sink->video_height   = 0;
1321     sink->video_par_n    = 1;
1322     sink->video_par_d    = 1;
1323     sink->foreign_window = FALSE;
1324     sink->fullscreen     = FALSE;
1325     sink->synchronous    = FALSE;
1326     sink->display_type   = DEFAULT_DISPLAY_TYPE;
1327     sink->rotation       = DEFAULT_ROTATION;
1328     sink->rotation_req   = DEFAULT_ROTATION;
1329     sink->use_reflection = FALSE;
1330     sink->use_overlay    = FALSE;
1331     sink->use_rotation   = FALSE;
1332 }