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     GST_VIDEO_CAPS_MAKE(GST_VIDEO_FORMATS_ALL) "; "
  88 #else
  89     "video/x-raw-yuv, "
  90     "width  = (int) [ 1, MAX ], "
  91     "height = (int) [ 1, MAX ]; "
  92 #endif
  93     GST_VAAPI_SURFACE_CAPS;
  94
  95 static GstStaticPadTemplate gst_vaapisink_sink_factory =
  96     GST_STATIC_PAD_TEMPLATE(
  97         "sink",
  98         GST_PAD_SINK,
  99         GST_PAD_ALWAYS,
 100         GST_STATIC_CAPS(gst_vaapisink_sink_caps_str));
 101
 102 /* GstImplementsInterface interface */
 103 #if !GST_CHECK_VERSION(1,0,0)
 104 static gboolean
 105 gst_vaapisink_implements_interface_supported(
 106     GstImplementsInterface *iface,
 107     GType                   type
 108 )
 109 {
 110     return (type == GST_TYPE_VIDEO_CONTEXT ||
 111             type == GST_TYPE_VIDEO_OVERLAY);
 112 }
 113
 114 static void
 115 gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface)
 116 {
 117     iface->supported = gst_vaapisink_implements_interface_supported;
 118 }
 119 #endif
 120
 121 /* GstVideoContext interface */
 122 static void
 123 gst_vaapisink_set_video_context(GstVideoContext *context, const gchar *type,
 124     const GValue *value)
 125 {
 126   GstVaapiSink *sink = GST_VAAPISINK (context);
 127   gst_vaapi_set_display (type, value, &sink->display);
 128 }
 129
 130 static void
 131 gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface)
 132 {
 133     iface->set_context = gst_vaapisink_set_video_context;
 134 }
 135
 136 static void
 137 gst_vaapisink_video_overlay_iface_init(GstVideoOverlayInterface *iface);
 138
 139 G_DEFINE_TYPE_WITH_CODE(
 140     GstVaapiSink,
 141     gst_vaapisink,
 142     GST_TYPE_VIDEO_SINK,
 143 #if !GST_CHECK_VERSION(1,0,0)
 144     G_IMPLEMENT_INTERFACE(GST_TYPE_IMPLEMENTS_INTERFACE,
 145                           gst_vaapisink_implements_iface_init);
 146 #endif
 147     G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_CONTEXT,
 148                           gst_vaapisink_video_context_iface_init);
 149     G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_OVERLAY,
 150                           gst_vaapisink_video_overlay_iface_init))
 151
 152 enum {
 153     PROP_0,
 154
 155     PROP_DISPLAY_TYPE,
 156     PROP_FULLSCREEN,
 157     PROP_SYNCHRONOUS,
 158     PROP_USE_GLX,
 159     PROP_USE_REFLECTION,
 160     PROP_ROTATION,
 161 };
 162
 163 #define DEFAULT_DISPLAY_TYPE            GST_VAAPI_DISPLAY_TYPE_ANY
 164 #define DEFAULT_ROTATION                GST_VAAPI_ROTATION_0
 165
 166 /* GstVideoOverlay interface */
 167
 168 #if USE_X11
 169 static gboolean
 170 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id);
 171 #endif
 172
 173 static GstFlowReturn
 174 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
 175
 176 static void
 177 gst_vaapisink_video_overlay_set_window_handle(GstVideoOverlay *overlay, guintptr window)
 178 {
 179     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 180
 181     /* Disable GLX rendering when vaapisink is using a foreign X
 182        window. It's pretty much useless */
 183     if (sink->display_type == GST_VAAPI_DISPLAY_TYPE_GLX)
 184         sink->display_type = GST_VAAPI_DISPLAY_TYPE_X11;
 185
 186     sink->foreign_window = TRUE;
 187
 188     switch (sink->display_type) {
 189 #if USE_X11
 190     case GST_VAAPI_DISPLAY_TYPE_X11:
 191         gst_vaapisink_ensure_window_xid(sink, window);
 192         break;
 193 #endif
 194     default:
 195         break;
 196     }
 197 }
 198
 199 static void
 200 gst_vaapisink_video_overlay_set_render_rectangle(
 201     GstVideoOverlay *overlay,
 202     gint         x,
 203     gint         y,
 204     gint         width,
 205     gint         height
 206 )
 207 {
 208     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 209     GstVaapiRectangle * const display_rect = &sink->display_rect;
 210
 211     display_rect->x      = x;
 212     display_rect->y      = y;
 213     display_rect->width  = width;
 214     display_rect->height = height;
 215
 216     GST_DEBUG("render rect (%d,%d):%ux%u",
 217               display_rect->x, display_rect->y,
 218               display_rect->width, display_rect->height);
 219 }
 220
 221 static void
 222 gst_vaapisink_video_overlay_expose(GstVideoOverlay *overlay)
 223 {
 224     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 225     GstBaseSink * const base_sink = GST_BASE_SINK(overlay);
 226     GstBuffer *buffer;
 227
 228     if (sink->use_overlay)
 229         buffer = sink->video_buffer ? gst_buffer_ref(sink->video_buffer) : NULL;
 230     else {
 231 #if GST_CHECK_VERSION(1,0,0)
 232         GstSample * const sample = gst_base_sink_get_last_sample(base_sink);
 233         if (!sample)
 234             return;
 235         buffer = gst_buffer_ref(gst_sample_get_buffer(sample));
 236         gst_sample_unref(sample);
 237 #else
 238         buffer = gst_base_sink_get_last_buffer(base_sink);
 239 #endif
 240     }
 241     if (buffer) {
 242         gst_vaapisink_show_frame(base_sink, buffer);
 243         gst_buffer_unref(buffer);
 244     }
 245 }
 246
 247 static void
 248 gst_vaapisink_video_overlay_iface_init(GstVideoOverlayInterface *iface)
 249 {
 250     iface->set_window_handle    = gst_vaapisink_video_overlay_set_window_handle;
 251     iface->set_render_rectangle = gst_vaapisink_video_overlay_set_render_rectangle;
 252     iface->expose               = gst_vaapisink_video_overlay_expose;
 253 }
 254
 255 static void
 256 gst_vaapisink_destroy(GstVaapiSink *sink)
 257 {
 258     gst_buffer_replace(&sink->video_buffer, NULL);
 259 #if USE_GLX
 260     gst_vaapi_texture_replace(&sink->texture, NULL);
 261 #endif
 262     gst_vaapi_display_replace(&sink->display, NULL);
 263     g_clear_object(&sink->uploader);
 264
 265     gst_caps_replace(&sink->caps, NULL);
 266 }
 267
 268 #if USE_X11
 269 /* Checks whether a ConfigureNotify event is in the queue */
 270 typedef struct _ConfigureNotifyEventPendingArgs ConfigureNotifyEventPendingArgs;
 271 struct _ConfigureNotifyEventPendingArgs {
 272     Window      window;
 273     guint       width;
 274     guint       height;
 275     gboolean    match;
 276 };
 277
 278 static Bool
 279 configure_notify_event_pending_cb(Display *dpy, XEvent *xev, XPointer arg)
 280 {
 281     ConfigureNotifyEventPendingArgs * const args =
 282         (ConfigureNotifyEventPendingArgs *)arg;
 283
 284     if (xev->type == ConfigureNotify &&
 285         xev->xconfigure.window == args->window &&
 286         xev->xconfigure.width  == args->width  &&
 287         xev->xconfigure.height == args->height)
 288         args->match = TRUE;
 289
 290     /* XXX: this is a hack to traverse the whole queue because we
 291        can't use XPeekIfEvent() since it could block */
 292     return False;
 293 }
 294
 295 static gboolean
 296 configure_notify_event_pending(
 297     GstVaapiSink *sink,
 298     Window        window,
 299     guint         width,
 300     guint         height
 301 )
 302 {
 303     ConfigureNotifyEventPendingArgs args;
 304     XEvent xev;
 305
 306     args.window = window;
 307     args.width  = width;
 308     args.height = height;
 309     args.match  = FALSE;
 310
 311     /* XXX: don't use XPeekIfEvent() because it might block */
 312     XCheckIfEvent(
 313         gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
 314         &xev,
 315         configure_notify_event_pending_cb, (XPointer)&args
 316     );
 317     return args.match;
 318 }
 319 #endif
 320
 321 static const gchar *
 322 get_display_type_name(GstVaapiDisplayType display_type)
 323 {
 324     gpointer const klass = g_type_class_peek(GST_VAAPI_TYPE_DISPLAY_TYPE);
 325     GEnumValue * const e = g_enum_get_value(klass, display_type);
 326
 327     if (e)
 328         return e->value_name;
 329     return "<unknown-type>";
 330 }
 331
 332 static inline gboolean
 333 gst_vaapisink_ensure_display(GstVaapiSink *sink)
 334 {
 335     GstVaapiDisplayType display_type;
 336     GstVaapiRenderMode render_mode;
 337     const gboolean had_display = sink->display != NULL;
 338
 339     if (!gst_vaapi_ensure_display(sink, sink->display_type, &sink->display))
 340         return FALSE;
 341
 342     display_type = gst_vaapi_display_get_display_type(sink->display);
 343     if (display_type != sink->display_type || (!had_display && sink->display)) {
 344         GST_INFO("created %s %p", get_display_type_name(display_type),
 345             sink->display);
 346         sink->display_type = display_type;
 347
 348         sink->use_overlay =
 349             gst_vaapi_display_get_render_mode(sink->display, &render_mode) &&
 350             render_mode == GST_VAAPI_RENDER_MODE_OVERLAY;
 351         GST_DEBUG("use %s rendering mode", sink->use_overlay ? "overlay" : "texture");
 352
 353         sink->use_rotation = gst_vaapi_display_has_property(
 354             sink->display, GST_VAAPI_DISPLAY_PROP_ROTATION);
 355     }
 356     return TRUE;
 357 }
 358
 359 static gboolean
 360 gst_vaapisink_ensure_uploader(GstVaapiSink *sink)
 361 {
 362     if (!gst_vaapisink_ensure_display(sink))
 363         return FALSE;
 364
 365     if (!sink->uploader) {
 366         sink->uploader = gst_vaapi_uploader_new(sink->display);
 367         if (!sink->uploader)
 368             return FALSE;
 369     }
 370     return TRUE;
 371 }
 372
 373 static gboolean
 374 gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
 375 {
 376     GstVaapiRectangle * const display_rect = &sink->display_rect;
 377     guint num, den, display_par_n, display_par_d;
 378     gboolean success;
 379
 380     /* Return success if caps are not set yet */
 381     if (!sink->caps)
 382         return TRUE;
 383
 384     GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
 385
 386     gst_vaapi_display_get_pixel_aspect_ratio(
 387         sink->display,
 388         &display_par_n, &display_par_d
 389     );
 390     GST_DEBUG("display pixel-aspect-ratio %d/%d",
 391               display_par_n, display_par_d);
 392
 393     success = gst_video_calculate_display_ratio(
 394         &num, &den,
 395         sink->video_width, sink->video_height,
 396         sink->video_par_n, sink->video_par_d,
 397         display_par_n, display_par_d
 398     );
 399     if (!success)
 400         return FALSE;
 401     GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
 402               sink->video_width, sink->video_height, num, den);
 403
 404     display_rect->width = gst_util_uint64_scale_int(height, num, den);
 405     if (display_rect->width <= width) {
 406         GST_DEBUG("keeping window height");
 407         display_rect->height = height;
 408     }
 409     else {
 410         GST_DEBUG("keeping window width");
 411         display_rect->width  = width;
 412         display_rect->height =
 413             gst_util_uint64_scale_int(width, den, num);
 414     }
 415     GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
 416
 417     g_assert(display_rect->width  <= width);
 418     g_assert(display_rect->height <= height);
 419
 420     display_rect->x = (width  - display_rect->width)  / 2;
 421     display_rect->y = (height - display_rect->height) / 2;
 422
 423     GST_DEBUG("render rect (%d,%d):%ux%u",
 424               display_rect->x, display_rect->y,
 425               display_rect->width, display_rect->height);
 426     return TRUE;
 427 }
 428
 429 static void
 430 gst_vaapisink_ensure_window_size(GstVaapiSink *sink, guint *pwidth, guint *pheight)
 431 {
 432     GstVideoRectangle src_rect, dst_rect, out_rect;
 433     guint num, den, display_width, display_height, display_par_n, display_par_d;
 434     gboolean success, scale;
 435
 436     if (sink->foreign_window) {
 437         *pwidth  = sink->window_width;
 438         *pheight = sink->window_height;
 439         return;
 440     }
 441
 442     gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
 443     if (sink->fullscreen) {
 444         *pwidth  = display_width;
 445         *pheight = display_height;
 446         return;
 447     }
 448
 449     gst_vaapi_display_get_pixel_aspect_ratio(
 450         sink->display,
 451         &display_par_n, &display_par_d
 452     );
 453
 454     success = gst_video_calculate_display_ratio(
 455         &num, &den,
 456         sink->video_width, sink->video_height,
 457         sink->video_par_n, sink->video_par_d,
 458         display_par_n, display_par_d
 459     );
 460     if (!success) {
 461         num = sink->video_par_n;
 462         den = sink->video_par_d;
 463     }
 464
 465     src_rect.x = 0;
 466     src_rect.y = 0;
 467     src_rect.w = gst_util_uint64_scale_int(sink->video_height, num, den);
 468     src_rect.h = sink->video_height;
 469     dst_rect.x = 0;
 470     dst_rect.y = 0;
 471     dst_rect.w = display_width;
 472     dst_rect.h = display_height;
 473     scale      = (src_rect.w > dst_rect.w || src_rect.h > dst_rect.h);
 474     gst_video_sink_center_rect(src_rect, dst_rect, &out_rect, scale);
 475     *pwidth    = out_rect.w;
 476     *pheight   = out_rect.h;
 477 }
 478
 479 static inline gboolean
 480 gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
 481 {
 482     GstVaapiDisplay * const display = sink->display;
 483
 484     if (!sink->window) {
 485         switch (sink->display_type) {
 486 #if USE_GLX
 487         case GST_VAAPI_DISPLAY_TYPE_GLX:
 488             sink->window = gst_vaapi_window_glx_new(display, width, height);
 489             goto notify_video_overlay_interface;
 490 #endif
 491 #if USE_X11
 492         case GST_VAAPI_DISPLAY_TYPE_X11:
 493             sink->window = gst_vaapi_window_x11_new(display, width, height);
 494         notify_video_overlay_interface:
 495             if (!sink->window)
 496                 break;
 497             gst_video_overlay_got_window_handle(
 498                 GST_VIDEO_OVERLAY(sink),
 499                 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
 500             );
 501             break;
 502 #endif
 503 #if USE_WAYLAND
 504         case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
 505             sink->window = gst_vaapi_window_wayland_new(display, width, height);
 506             break;
 507 #endif
 508         default:
 509             GST_ERROR("unsupported display type %d", sink->display_type);
 510             return FALSE;
 511         }
 512     }
 513     return sink->window != NULL;
 514 }
 515
 516 #if USE_X11
 517 static gboolean
 518 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id)
 519 {
 520     Window rootwin;
 521     unsigned int width, height, border_width, depth;
 522     int x, y;
 523     XID xid = window_id;
 524
 525     if (!gst_vaapisink_ensure_display(sink))
 526         return FALSE;
 527
 528     gst_vaapi_display_lock(sink->display);
 529     XGetGeometry(
 530         gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
 531         xid,
 532         &rootwin,
 533         &x, &y, &width, &height, &border_width, &depth
 534     );
 535     gst_vaapi_display_unlock(sink->display);
 536
 537     if ((width != sink->window_width || height != sink->window_height) &&
 538         !configure_notify_event_pending(sink, xid, width, height)) {
 539         if (!gst_vaapisink_ensure_render_rect(sink, width, height))
 540             return FALSE;
 541         sink->window_width  = width;
 542         sink->window_height = height;
 543     }
 544
 545     if (sink->window &&
 546         gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window)) == xid)
 547         return TRUE;
 548
 549     gst_vaapi_window_replace(&sink->window, NULL);
 550
 551     switch (sink->display_type) {
 552 #if USE_GLX
 553     case GST_VAAPI_DISPLAY_TYPE_GLX:
 554         sink->window = gst_vaapi_window_glx_new_with_xid(sink->display, xid);
 555         break;
 556 #endif
 557     case GST_VAAPI_DISPLAY_TYPE_X11:
 558         sink->window = gst_vaapi_window_x11_new_with_xid(sink->display, xid);
 559         break;
 560     default:
 561         GST_ERROR("unsupported display type %d", sink->display_type);
 562         return FALSE;
 563     }
 564     return sink->window != NULL;
 565 }
 566 #endif
 567
 568 static gboolean
 569 gst_vaapisink_ensure_rotation(GstVaapiSink *sink, gboolean recalc_display_rect)
 570 {
 571     gboolean success = FALSE;
 572
 573     g_return_val_if_fail(sink->display, FALSE);
 574
 575     if (sink->rotation == sink->rotation_req)
 576         return TRUE;
 577
 578     if (!sink->use_rotation) {
 579         GST_WARNING("VA display does not support rotation");
 580         goto end;
 581     }
 582
 583     gst_vaapi_display_lock(sink->display);
 584     success = gst_vaapi_display_set_rotation(sink->display, sink->rotation_req);
 585     gst_vaapi_display_unlock(sink->display);
 586     if (!success) {
 587         GST_ERROR("failed to change VA display rotation mode");
 588         goto end;
 589     }
 590
 591     if (((sink->rotation + sink->rotation_req) % 180) == 90) {
 592         /* Orientation changed */
 593         G_PRIMITIVE_SWAP(guint, sink->video_width, sink->video_height);
 594         G_PRIMITIVE_SWAP(gint, sink->video_par_n, sink->video_par_d);
 595     }
 596
 597     if (recalc_display_rect && !sink->foreign_window)
 598         gst_vaapisink_ensure_render_rect(sink, sink->window_width,
 599             sink->window_height);
 600     success = TRUE;
 601
 602 end:
 603     sink->rotation = sink->rotation_req;
 604     return success;
 605 }
 606
 607 static gboolean
 608 gst_vaapisink_ensure_video_buffer_pool(GstVaapiSink *sink, GstCaps *caps)
 609 {
 610 #if GST_CHECK_VERSION(1,0,0)
 611     GstBufferPool *pool;
 612     GstCaps *pool_caps;
 613     GstStructure *config;
 614     GstVideoInfo vi;
 615     gboolean need_pool;
 616
 617     if (!gst_vaapisink_ensure_display(sink))
 618         return FALSE;
 619
 620     if (sink->video_buffer_pool) {
 621         config = gst_buffer_pool_get_config(sink->video_buffer_pool);
 622         gst_buffer_pool_config_get_params(config, &pool_caps, NULL, NULL, NULL);
 623         need_pool = !gst_caps_is_equal(caps, pool_caps);
 624         gst_structure_free(config);
 625         if (!need_pool)
 626             return TRUE;
 627         g_clear_object(&sink->video_buffer_pool);
 628         sink->video_buffer_size = 0;
 629     }
 630
 631     pool = gst_vaapi_video_buffer_pool_new(sink->display);
 632     if (!pool)
 633         goto error_create_pool;
 634
 635     gst_video_info_init(&vi);
 636     gst_video_info_from_caps(&vi, caps);
 637     if (GST_VIDEO_INFO_FORMAT(&vi) == GST_VIDEO_FORMAT_ENCODED) {
 638         GST_DEBUG("assume video buffer pool format is NV12");
 639         gst_video_info_set_format(&vi, GST_VIDEO_FORMAT_NV12,
 640             GST_VIDEO_INFO_WIDTH(&vi), GST_VIDEO_INFO_HEIGHT(&vi));
 641     }
 642     sink->video_buffer_size = vi.size;
 643
 644     config = gst_buffer_pool_get_config(pool);
 645     gst_buffer_pool_config_set_params(config, caps, sink->video_buffer_size,
 646         0, 0);
 647     gst_buffer_pool_config_add_option(config,
 648         GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META);
 649     if (!gst_buffer_pool_set_config(pool, config))
 650         goto error_pool_config;
 651     sink->video_buffer_pool = pool;
 652     return TRUE;
 653
 654     /* ERRORS */
 655 error_create_pool:
 656     {
 657         GST_ERROR("failed to create buffer pool");
 658         return FALSE;
 659     }
 660 error_pool_config:
 661     {
 662         GST_ERROR("failed to reset buffer pool config");
 663         gst_object_unref(pool);
 664         return FALSE;
 665     }
 666 #else
 667     return TRUE;
 668 #endif
 669 }
 670
 671 static gboolean
 672 gst_vaapisink_start(GstBaseSink *base_sink)
 673 {
 674     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 675
 676     return gst_vaapisink_ensure_uploader(sink);
 677 }
 678
 679 static gboolean
 680 gst_vaapisink_stop(GstBaseSink *base_sink)
 681 {
 682     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 683
 684     gst_buffer_replace(&sink->video_buffer, NULL);
 685 #if GST_CHECK_VERSION(1,0,0)
 686     g_clear_object(&sink->video_buffer_pool);
 687 #endif
 688     gst_vaapi_window_replace(&sink->window, NULL);
 689     gst_vaapi_display_replace(&sink->display, NULL);
 690     g_clear_object(&sink->uploader);
 691
 692     return TRUE;
 693 }
 694
 695 static GstCaps *
 696 gst_vaapisink_get_caps_impl(GstBaseSink *base_sink)
 697 {
 698     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 699     GstCaps *out_caps, *yuv_caps;
 700
 701     out_caps = gst_caps_from_string(GST_VAAPI_SURFACE_CAPS);
 702     if (!out_caps)
 703         return NULL;
 704
 705     if (gst_vaapisink_ensure_uploader(sink)) {
 706         yuv_caps = gst_vaapi_uploader_get_caps(sink->uploader);
 707         if (yuv_caps)
 708             gst_caps_append(out_caps, gst_caps_copy(yuv_caps));
 709     }
 710     return out_caps;
 711 }
 712
 713 #if GST_CHECK_VERSION(1,0,0)
 714 static inline GstCaps *
 715 gst_vaapisink_get_caps(GstBaseSink *base_sink, GstCaps *filter)
 716 {
 717     GstCaps *caps, *out_caps;
 718
 719     caps = gst_vaapisink_get_caps_impl(base_sink);
 720     if (caps && filter) {
 721         out_caps = gst_caps_intersect_full(caps, filter,
 722             GST_CAPS_INTERSECT_FIRST);
 723         gst_caps_unref(caps);
 724     }
 725     else
 726         out_caps = caps;
 727     return out_caps;
 728 }
 729 #else
 730 #define gst_vaapisink_get_caps gst_vaapisink_get_caps_impl
 731 #endif
 732
 733 static gboolean
 734 gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
 735 {
 736     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 737     GstVideoInfo vi;
 738     guint win_width, win_height;
 739
 740 #if USE_DRM
 741     if (sink->display_type == GST_VAAPI_DISPLAY_TYPE_DRM)
 742         return TRUE;
 743 #endif
 744
 745     if (!gst_vaapisink_ensure_video_buffer_pool(sink, caps))
 746         return FALSE;
 747
 748     if (!gst_video_info_from_caps(&vi, caps))
 749         return FALSE;
 750     sink->use_video_raw = GST_VIDEO_INFO_IS_YUV(&vi);
 751     sink->video_width   = GST_VIDEO_INFO_WIDTH(&vi);
 752     sink->video_height  = GST_VIDEO_INFO_HEIGHT(&vi);
 753     sink->video_par_n   = GST_VIDEO_INFO_PAR_N(&vi);
 754     sink->video_par_d   = GST_VIDEO_INFO_PAR_D(&vi);
 755     GST_DEBUG("video pixel-aspect-ratio %d/%d",
 756               sink->video_par_n, sink->video_par_d);
 757
 758     gst_caps_replace(&sink->caps, caps);
 759
 760     if (!gst_vaapisink_ensure_display(sink))
 761         return FALSE;
 762
 763     gst_vaapisink_ensure_rotation(sink, FALSE);
 764
 765     gst_vaapisink_ensure_window_size(sink, &win_width, &win_height);
 766     if (sink->window) {
 767         if (!sink->foreign_window || sink->fullscreen)
 768             gst_vaapi_window_set_size(sink->window, win_width, win_height);
 769     }
 770     else {
 771         gst_vaapi_display_lock(sink->display);
 772         gst_video_overlay_prepare_window_handle(GST_VIDEO_OVERLAY(sink));
 773         gst_vaapi_display_unlock(sink->display);
 774         if (sink->window)
 775             return TRUE;
 776         if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
 777             return FALSE;
 778         gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
 779         gst_vaapi_window_show(sink->window);
 780         gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
 781     }
 782     sink->window_width  = win_width;
 783     sink->window_height = win_height;
 784     GST_DEBUG("window size %ux%u", win_width, win_height);
 785
 786     return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
 787 }
 788
 789 #if USE_GLX
 790 static void
 791 render_background(GstVaapiSink *sink)
 792 {
 793     /* Original code from Mirco Muller (MacSlow):
 794        <http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
 795     GLfloat fStartX = 0.0f;
 796     GLfloat fStartY = 0.0f;
 797     GLfloat fWidth  = (GLfloat)sink->window_width;
 798     GLfloat fHeight = (GLfloat)sink->window_height;
 799
 800     glClear(GL_COLOR_BUFFER_BIT);
 801     glBegin(GL_QUADS);
 802     {
 803         /* top third, darker grey to white */
 804         glColor3f(0.85f, 0.85f, 0.85f);
 805         glVertex3f(fStartX, fStartY, 0.0f);
 806         glColor3f(0.85f, 0.85f, 0.85f);
 807         glVertex3f(fStartX + fWidth, fStartY, 0.0f);
 808         glColor3f(1.0f, 1.0f, 1.0f);
 809         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 810         glColor3f(1.0f, 1.0f, 1.0f);
 811         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 812
 813         /* middle third, just plain white */
 814         glColor3f(1.0f, 1.0f, 1.0f);
 815         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 816         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 817         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 818         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 819
 820         /* bottom third, white to lighter grey */
 821         glColor3f(1.0f, 1.0f, 1.0f);
 822         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 823         glColor3f(1.0f, 1.0f, 1.0f);
 824         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 825         glColor3f(0.62f, 0.66f, 0.69f);
 826         glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
 827         glColor3f(0.62f, 0.66f, 0.69f);
 828         glVertex3f(fStartX, fStartY + fHeight, 0.0f);
 829     }
 830     glEnd();
 831 }
 832
 833 static void
 834 render_frame(GstVaapiSink *sink, GstVaapiSurface *surface,
 835     const GstVaapiRectangle *surface_rect)
 836 {
 837     const guint x1 = sink->display_rect.x;
 838     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 839     const guint y1 = sink->display_rect.y;
 840     const guint y2 = sink->display_rect.y + sink->display_rect.height;
 841     gfloat tx1, tx2, ty1, ty2;
 842     guint width, height;
 843
 844     if (surface_rect) {
 845         gst_vaapi_surface_get_size(surface, &width, &height);
 846         tx1 = (gfloat)surface_rect->x / width;
 847         ty1 = (gfloat)surface_rect->y / height;
 848         tx2 = (gfloat)(surface_rect->x + surface_rect->width) / width;
 849         ty2 = (gfloat)(surface_rect->y + surface_rect->height) / height;
 850     }
 851     else {
 852         tx1 = 0.0f;
 853         ty1 = 0.0f;
 854         tx2 = 1.0f;
 855         ty2 = 1.0f;
 856     }
 857
 858     glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 859     glBegin(GL_QUADS);
 860     {
 861         glTexCoord2f(tx1, ty1); glVertex2i(x1, y1);
 862         glTexCoord2f(tx1, ty2); glVertex2i(x1, y2);
 863         glTexCoord2f(tx2, ty2); glVertex2i(x2, y2);
 864         glTexCoord2f(tx2, ty1); glVertex2i(x2, y1);
 865     }
 866     glEnd();
 867 }
 868
 869 static void
 870 render_reflection(GstVaapiSink *sink)
 871 {
 872     const guint x1 = sink->display_rect.x;
 873     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 874     const guint y1 = sink->display_rect.y;
 875     const guint rh = sink->display_rect.height / 5;
 876     GLfloat     ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
 877
 878     glBegin(GL_QUADS);
 879     {
 880         glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 881         glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
 882         glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
 883
 884         glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
 885         glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
 886         glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
 887     }
 888     glEnd();
 889 }
 890
 891 static gboolean
 892 gst_vaapisink_ensure_texture(GstVaapiSink *sink, GstVaapiSurface *surface)
 893 {
 894     GstVideoRectangle tex_rect, dis_rect, out_rect;
 895     guint width, height;
 896
 897     if (sink->texture)
 898         return TRUE;
 899
 900     gst_vaapi_surface_get_size(surface, &width, &height);
 901     tex_rect.x = 0;
 902     tex_rect.y = 0;
 903     tex_rect.w = width;
 904     tex_rect.h = height;
 905
 906     gst_vaapi_display_get_size(sink->display, &width, &height);
 907     dis_rect.x = 0;
 908     dis_rect.y = 0;
 909     dis_rect.w = width;
 910     dis_rect.h = height;
 911
 912     gst_video_sink_center_rect(tex_rect, dis_rect, &out_rect, TRUE);
 913
 914     /* XXX: use surface size for now since some VA drivers have issues
 915        with downscaling to the provided texture size. i.e. we should be
 916        using the resulting out_rect size, which preserves the aspect
 917        ratio of the surface */
 918     width = tex_rect.w;
 919     height = tex_rect.h;
 920     GST_INFO("texture size %ux%u", width, height);
 921
 922     sink->texture = gst_vaapi_texture_new(sink->display,
 923         GL_TEXTURE_2D, GL_BGRA, width, height);
 924     return sink->texture != NULL;
 925 }
 926
 927 static gboolean
 928 gst_vaapisink_show_frame_glx(
 929     GstVaapiSink               *sink,
 930     GstVaapiSurface            *surface,
 931     const GstVaapiRectangle    *surface_rect,
 932     guint                       flags
 933 )
 934 {
 935     GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
 936     GLenum target;
 937     GLuint texture;
 938
 939     gst_vaapi_window_glx_make_current(window);
 940     if (!gst_vaapisink_ensure_texture(sink, surface))
 941         goto error_create_texture;
 942     if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
 943         goto error_transfer_surface;
 944
 945     target  = gst_vaapi_texture_get_target(sink->texture);
 946     texture = gst_vaapi_texture_get_id(sink->texture);
 947     if (target != GL_TEXTURE_2D || !texture)
 948         return FALSE;
 949
 950     if (sink->use_reflection)
 951         render_background(sink);
 952
 953     glEnable(target);
 954     glBindTexture(target, texture);
 955     {
 956         if (sink->use_reflection) {
 957             glPushMatrix();
 958             glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
 959             glTranslatef(50.0f, 0.0f, 0.0f);
 960         }
 961         render_frame(sink, surface, surface_rect);
 962         if (sink->use_reflection) {
 963             glPushMatrix();
 964             glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
 965             render_reflection(sink);
 966             glPopMatrix();
 967             glPopMatrix();
 968         }
 969     }
 970     glBindTexture(target, 0);
 971     glDisable(target);
 972     gst_vaapi_window_glx_swap_buffers(window);
 973     return TRUE;
 974
 975     /* ERRORS */
 976 error_create_texture:
 977     {
 978         GST_DEBUG("could not create VA/GLX texture");
 979         return FALSE;
 980     }
 981 error_transfer_surface:
 982     {
 983         GST_DEBUG("could not transfer VA surface to texture");
 984         return FALSE;
 985     }
 986 }
 987 #endif
 988
 989 static inline gboolean
 990 gst_vaapisink_put_surface(
 991     GstVaapiSink               *sink,
 992     GstVaapiSurface            *surface,
 993     const GstVaapiRectangle    *surface_rect,
 994     guint                       flags
 995 )
 996 {
 997     if (!gst_vaapi_window_put_surface(sink->window, surface,
 998                 surface_rect, &sink->display_rect, flags)) {
 999         GST_DEBUG("could not render VA surface");
1000         return FALSE;
1001     }
1002     return TRUE;
1003 }
1004
1005 static GstFlowReturn
1006 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *src_buffer)
1007 {
1008     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1009     GstVaapiVideoMeta *meta;
1010     GstVaapiSurface *surface;
1011     GstBuffer *buffer;
1012     guint flags;
1013     gboolean success;
1014     GstVaapiRectangle *surface_rect = NULL;
1015 #if GST_CHECK_VERSION(1,0,0)
1016     GstVaapiRectangle tmp_rect;
1017 #endif
1018
1019     meta = gst_buffer_get_vaapi_video_meta(src_buffer);
1020 #if GST_CHECK_VERSION(1,0,0)
1021     if (!meta)
1022         return GST_FLOW_EOS;
1023     buffer = gst_buffer_ref(src_buffer);
1024
1025     GstVideoCropMeta * const crop_meta =
1026         gst_buffer_get_video_crop_meta(buffer);
1027     if (crop_meta) {
1028         surface_rect = &tmp_rect;
1029         surface_rect->x = crop_meta->x;
1030         surface_rect->y = crop_meta->y;
1031         surface_rect->width = crop_meta->width;
1032         surface_rect->height = crop_meta->height;
1033     }
1034 #else
1035     if (meta)
1036         buffer = gst_buffer_ref(src_buffer);
1037     else if (sink->use_video_raw) {
1038         buffer = gst_vaapi_uploader_get_buffer(sink->uploader);
1039         if (!buffer)
1040             return GST_FLOW_EOS;
1041         meta = gst_buffer_get_vaapi_video_meta(buffer);
1042         if (!meta)
1043             goto error;
1044     }
1045     else
1046         return GST_FLOW_EOS;
1047
1048     if (sink->use_video_raw &&
1049         !gst_vaapi_uploader_process(sink->uploader, src_buffer, buffer)) {
1050         GST_WARNING("failed to process raw YUV buffer");
1051         goto error;
1052     }
1053 #endif
1054
1055     if (sink->display != gst_vaapi_video_meta_get_display(meta))
1056         gst_vaapi_display_replace(&sink->display,
1057             gst_vaapi_video_meta_get_display(meta));
1058
1059     if (!sink->window)
1060         goto error;
1061
1062     gst_vaapisink_ensure_rotation(sink, TRUE);
1063
1064     surface = gst_vaapi_video_meta_get_surface(meta);
1065     if (!surface)
1066         goto error;
1067
1068     GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
1069               GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
1070
1071     if (!surface_rect)
1072         surface_rect = (GstVaapiRectangle *)
1073             gst_vaapi_video_meta_get_render_rect(meta);
1074
1075     if (surface_rect)
1076         GST_DEBUG("render rect (%d,%d), size %ux%u",
1077                   surface_rect->x, surface_rect->y,
1078                   surface_rect->width, surface_rect->height);
1079
1080     flags = gst_vaapi_video_meta_get_render_flags(meta);
1081
1082     if (!gst_vaapi_apply_composition(surface, src_buffer))
1083         GST_WARNING("could not update subtitles");
1084
1085     switch (sink->display_type) {
1086 #if USE_DRM
1087     case GST_VAAPI_DISPLAY_TYPE_DRM:
1088         success = TRUE;
1089         break;
1090 #endif
1091 #if USE_GLX
1092     case GST_VAAPI_DISPLAY_TYPE_GLX:
1093         if (!sink->use_glx)
1094             goto put_surface_x11;
1095         success = gst_vaapisink_show_frame_glx(sink, surface, surface_rect,
1096             flags);
1097         break;
1098 #endif
1099 #if USE_X11
1100     case GST_VAAPI_DISPLAY_TYPE_X11:
1101     put_surface_x11:
1102         success = gst_vaapisink_put_surface(sink, surface, surface_rect, flags);
1103         break;
1104 #endif
1105 #if USE_WAYLAND
1106     case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
1107         success = gst_vaapisink_put_surface(sink, surface, surface_rect, flags);
1108         break;
1109 #endif
1110     default:
1111         GST_ERROR("unsupported display type %d", sink->display_type);
1112         success = FALSE;
1113         break;
1114     }
1115     if (!success)
1116         goto error;
1117
1118     /* Retain VA surface until the next one is displayed */
1119     if (sink->use_overlay)
1120         gst_buffer_replace(&sink->video_buffer, buffer);
1121     gst_buffer_unref(buffer);
1122     return GST_FLOW_OK;
1123
1124 error:
1125     gst_buffer_unref(buffer);
1126     return GST_FLOW_EOS;
1127 }
1128
1129 #if GST_CHECK_VERSION(1,0,0)
1130 static gboolean
1131 gst_vaapisink_propose_allocation(GstBaseSink *base_sink, GstQuery *query)
1132 {
1133     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1134     GstCaps *caps = NULL;
1135     gboolean need_pool;
1136
1137     gst_query_parse_allocation(query, &caps, &need_pool);
1138
1139     if (need_pool) {
1140         if (!caps)
1141             goto error_no_caps;
1142         if (!gst_vaapisink_ensure_video_buffer_pool(sink, caps))
1143             return FALSE;
1144         gst_query_add_allocation_pool(query, sink->video_buffer_pool,
1145             sink->video_buffer_size, 0, 0);
1146     }
1147
1148     gst_query_add_allocation_meta(query,
1149         GST_VAAPI_VIDEO_META_API_TYPE, NULL);
1150     gst_query_add_allocation_meta(query,
1151         GST_VIDEO_META_API_TYPE, NULL);
1152     gst_query_add_allocation_meta(query,
1153         GST_VIDEO_CROP_META_API_TYPE, NULL);
1154     gst_query_add_allocation_meta(query,
1155         GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
1156     return TRUE;
1157
1158     /* ERRORS */
1159 error_no_caps:
1160     {
1161         GST_ERROR("no caps specified");
1162         return FALSE;
1163     }
1164 }
1165 #else
1166 static GstFlowReturn
1167 gst_vaapisink_buffer_alloc(
1168     GstBaseSink        *base_sink,
1169     guint64             offset,
1170     guint               size,
1171     GstCaps            *caps,
1172     GstBuffer         **pbuf
1173 )
1174 {
1175     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1176     GstVideoInfo vi;
1177     GstBuffer *buf;
1178
1179     *pbuf = NULL;
1180
1181     if (!sink->use_video_raw) {
1182         /* Note: this code path is rarely used but for raw YUV formats
1183            from custom pipeline. Otherwise, GstBaseSink::set_caps() is
1184            called first, and GstBaseSink::buffer_alloc() is not called
1185            in VA surface format mode */
1186         if (!gst_video_info_from_caps(&vi, caps))
1187             return GST_FLOW_NOT_SUPPORTED;
1188         if (!GST_VIDEO_INFO_IS_YUV(&vi))
1189             return GST_FLOW_OK;
1190     }
1191
1192     if (!gst_vaapi_uploader_ensure_display(sink->uploader, sink->display))
1193         return GST_FLOW_NOT_SUPPORTED;
1194     if (!gst_vaapi_uploader_ensure_caps(sink->uploader, caps, NULL))
1195         return GST_FLOW_NOT_SUPPORTED;
1196
1197     buf = gst_vaapi_uploader_get_buffer(sink->uploader);
1198     if (!buf) {
1199         GST_WARNING("failed to allocate resources for raw YUV buffer");
1200         return GST_FLOW_NOT_SUPPORTED;
1201     }
1202
1203     *pbuf = buf;
1204     return GST_FLOW_OK;
1205 }
1206 #endif
1207
1208 static gboolean
1209 gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
1210 {
1211     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1212
1213     if (gst_vaapi_reply_to_query(query, sink->display)) {
1214         GST_DEBUG("sharing display %p", sink->display);
1215         return TRUE;
1216     }
1217     return GST_BASE_SINK_CLASS(gst_vaapisink_parent_class)->query(base_sink,
1218         query);
1219 }
1220
1221 static void
1222 gst_vaapisink_finalize(GObject *object)
1223 {
1224     gst_vaapisink_destroy(GST_VAAPISINK(object));
1225
1226     G_OBJECT_CLASS(gst_vaapisink_parent_class)->finalize(object);
1227 }
1228
1229 static void
1230 gst_vaapisink_set_property(
1231     GObject      *object,
1232     guint         prop_id,
1233     const GValue *value,
1234     GParamSpec   *pspec
1235 )
1236 {
1237     GstVaapiSink * const sink = GST_VAAPISINK(object);
1238
1239     switch (prop_id) {
1240     case PROP_DISPLAY_TYPE:
1241         sink->display_type = g_value_get_enum(value);
1242         break;
1243     case PROP_FULLSCREEN:
1244         sink->fullscreen = g_value_get_boolean(value);
1245         break;
1246     case PROP_SYNCHRONOUS:
1247         sink->synchronous = g_value_get_boolean(value);
1248         break;
1249     case PROP_USE_GLX:
1250         sink->use_glx = g_value_get_boolean(value);
1251         break;
1252     case PROP_USE_REFLECTION:
1253         sink->use_reflection = g_value_get_boolean(value);
1254         break;
1255     case PROP_ROTATION:
1256         sink->rotation_req = g_value_get_enum(value);
1257         break;
1258     default:
1259         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1260         break;
1261     }
1262 }
1263
1264 static void
1265 gst_vaapisink_get_property(
1266     GObject    *object,
1267     guint       prop_id,
1268     GValue     *value,
1269     GParamSpec *pspec
1270 )
1271 {
1272     GstVaapiSink * const sink = GST_VAAPISINK(object);
1273
1274     switch (prop_id) {
1275     case PROP_DISPLAY_TYPE:
1276         g_value_set_enum(value, sink->display_type);
1277         break;
1278     case PROP_FULLSCREEN:
1279         g_value_set_boolean(value, sink->fullscreen);
1280         break;
1281     case PROP_SYNCHRONOUS:
1282         g_value_set_boolean(value, sink->synchronous);
1283         break;
1284     case PROP_USE_GLX:
1285         g_value_set_boolean(value, sink->use_glx);
1286         break;
1287     case PROP_USE_REFLECTION:
1288         g_value_set_boolean(value, sink->use_reflection);
1289         break;
1290     case PROP_ROTATION:
1291         g_value_set_enum(value, sink->rotation);
1292         break;
1293     default:
1294         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1295         break;
1296     }
1297 }
1298
1299 static void
1300 gst_vaapisink_class_init(GstVaapiSinkClass *klass)
1301 {
1302     GObjectClass * const     object_class   = G_OBJECT_CLASS(klass);
1303     GstElementClass * const  element_class  = GST_ELEMENT_CLASS(klass);
1304     GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
1305     GstPadTemplate *pad_template;
1306
1307     GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
1308                             GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
1309
1310     object_class->finalize       = gst_vaapisink_finalize;
1311     object_class->set_property   = gst_vaapisink_set_property;
1312     object_class->get_property   = gst_vaapisink_get_property;
1313
1314     basesink_class->start        = gst_vaapisink_start;
1315     basesink_class->stop         = gst_vaapisink_stop;
1316     basesink_class->get_caps     = gst_vaapisink_get_caps;
1317     basesink_class->set_caps     = gst_vaapisink_set_caps;
1318     basesink_class->preroll      = gst_vaapisink_show_frame;
1319     basesink_class->render       = gst_vaapisink_show_frame;
1320     basesink_class->query        = gst_vaapisink_query;
1321 #if GST_CHECK_VERSION(1,0,0)
1322     basesink_class->propose_allocation = gst_vaapisink_propose_allocation;
1323 #else
1324     basesink_class->buffer_alloc = gst_vaapisink_buffer_alloc;
1325 #endif
1326
1327     gst_element_class_set_static_metadata(element_class,
1328         "VA-API sink",
1329         "Sink/Video",
1330         GST_PLUGIN_DESC,
1331         "Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
1332
1333     pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
1334     gst_element_class_add_pad_template(element_class, pad_template);
1335
1336     g_object_class_install_property
1337         (object_class,
1338          PROP_DISPLAY_TYPE,
1339          g_param_spec_enum("display",
1340                            "display type",
1341                            "display type to use",
1342                            GST_VAAPI_TYPE_DISPLAY_TYPE,
1343                            GST_VAAPI_DISPLAY_TYPE_ANY,
1344                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1345
1346 #if USE_GLX
1347     g_object_class_install_property
1348         (object_class,
1349          PROP_USE_GLX,
1350          g_param_spec_boolean("use-glx",
1351                               "OpenGL rendering",
1352                               "Enables OpenGL rendering",
1353                               FALSE,
1354                               G_PARAM_READWRITE));
1355
1356     g_object_class_install_property
1357         (object_class,
1358          PROP_USE_REFLECTION,
1359          g_param_spec_boolean("use-reflection",
1360                               "Reflection effect",
1361                               "Enables OpenGL reflection effect",
1362                               FALSE,
1363                               G_PARAM_READWRITE));
1364 #endif
1365
1366     g_object_class_install_property
1367         (object_class,
1368          PROP_FULLSCREEN,
1369          g_param_spec_boolean("fullscreen",
1370                               "Fullscreen",
1371                               "Requests window in fullscreen state",
1372                               FALSE,
1373                               G_PARAM_READWRITE));
1374
1375     /**
1376      * GstVaapiSink:synchronous:
1377      *
1378      * When enabled, runs the X display in synchronous mode. Note that
1379      * this is used only for debugging.
1380      */
1381     g_object_class_install_property
1382         (object_class,
1383          PROP_SYNCHRONOUS,
1384          g_param_spec_boolean("synchronous",
1385                               "Synchronous mode",
1386                               "Toggles X display synchronous mode",
1387                               FALSE,
1388                               G_PARAM_READWRITE));
1389
1390     /**
1391      * GstVaapiSink:rotation:
1392      *
1393      * The VA display rotation mode, expressed as a #GstVaapiRotation.
1394      */
1395     g_object_class_install_property
1396         (object_class,
1397          PROP_ROTATION,
1398          g_param_spec_enum(GST_VAAPI_DISPLAY_PROP_ROTATION,
1399                            "rotation",
1400                            "The display rotation mode",
1401                            GST_VAAPI_TYPE_ROTATION,
1402                            DEFAULT_ROTATION,
1403                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1404 }
1405
1406 static void
1407 gst_vaapisink_init(GstVaapiSink *sink)
1408 {
1409     sink->caps           = NULL;
1410     sink->display        = NULL;
1411     sink->window         = NULL;
1412     sink->window_width   = 0;
1413     sink->window_height  = 0;
1414     sink->texture        = NULL;
1415     sink->video_buffer   = NULL;
1416     sink->video_width    = 0;
1417     sink->video_height   = 0;
1418     sink->video_par_n    = 1;
1419     sink->video_par_d    = 1;
1420     sink->foreign_window = FALSE;
1421     sink->fullscreen     = FALSE;
1422     sink->synchronous    = FALSE;
1423     sink->display_type   = DEFAULT_DISPLAY_TYPE;
1424     sink->rotation       = DEFAULT_ROTATION;
1425     sink->rotation_req   = DEFAULT_ROTATION;
1426     sink->use_reflection = FALSE;
1427     sink->use_overlay    = FALSE;
1428     sink->use_rotation   = FALSE;
1429 }