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     if (!gst_vaapisink_ensure_display(sink))
 677         return FALSE;
 678
 679     sink->uploader = gst_vaapi_uploader_new(sink->display);
 680     if (!sink->uploader)
 681         return FALSE;
 682     return TRUE;
 683 }
 684
 685 static gboolean
 686 gst_vaapisink_stop(GstBaseSink *base_sink)
 687 {
 688     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 689
 690     gst_buffer_replace(&sink->video_buffer, NULL);
 691 #if GST_CHECK_VERSION(1,0,0)
 692     g_clear_object(&sink->video_buffer_pool);
 693 #endif
 694     gst_vaapi_window_replace(&sink->window, NULL);
 695     gst_vaapi_display_replace(&sink->display, NULL);
 696     g_clear_object(&sink->uploader);
 697
 698     return TRUE;
 699 }
 700
 701 static GstCaps *
 702 gst_vaapisink_get_caps_impl(GstBaseSink *base_sink)
 703 {
 704     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 705     GstCaps *out_caps, *yuv_caps;
 706
 707     out_caps = gst_caps_from_string(GST_VAAPI_SURFACE_CAPS);
 708     if (!out_caps)
 709         return NULL;
 710
 711     if (gst_vaapisink_ensure_uploader(sink)) {
 712         yuv_caps = gst_vaapi_uploader_get_caps(sink->uploader);
 713         if (yuv_caps)
 714             gst_caps_append(out_caps, gst_caps_copy(yuv_caps));
 715     }
 716     return out_caps;
 717 }
 718
 719 #if GST_CHECK_VERSION(1,0,0)
 720 static inline GstCaps *
 721 gst_vaapisink_get_caps(GstBaseSink *base_sink, GstCaps *filter)
 722 {
 723     GstCaps *caps, *out_caps;
 724
 725     caps = gst_vaapisink_get_caps_impl(base_sink);
 726     if (caps && filter) {
 727         out_caps = gst_caps_intersect_full(caps, filter,
 728             GST_CAPS_INTERSECT_FIRST);
 729         gst_caps_unref(caps);
 730     }
 731     else
 732         out_caps = caps;
 733     return out_caps;
 734 }
 735 #else
 736 #define gst_vaapisink_get_caps gst_vaapisink_get_caps_impl
 737 #endif
 738
 739 static gboolean
 740 gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
 741 {
 742     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 743     GstVideoInfo vi;
 744     guint win_width, win_height;
 745
 746 #if USE_DRM
 747     if (sink->display_type == GST_VAAPI_DISPLAY_TYPE_DRM)
 748         return TRUE;
 749 #endif
 750
 751     if (!gst_vaapisink_ensure_video_buffer_pool(sink, caps))
 752         return FALSE;
 753
 754     if (!gst_video_info_from_caps(&vi, caps))
 755         return FALSE;
 756     sink->use_video_raw = GST_VIDEO_INFO_IS_YUV(&vi);
 757     sink->video_width   = GST_VIDEO_INFO_WIDTH(&vi);
 758     sink->video_height  = GST_VIDEO_INFO_HEIGHT(&vi);
 759     sink->video_par_n   = GST_VIDEO_INFO_PAR_N(&vi);
 760     sink->video_par_d   = GST_VIDEO_INFO_PAR_D(&vi);
 761     GST_DEBUG("video pixel-aspect-ratio %d/%d",
 762               sink->video_par_n, sink->video_par_d);
 763
 764     gst_caps_replace(&sink->caps, caps);
 765
 766     if (!gst_vaapisink_ensure_display(sink))
 767         return FALSE;
 768
 769     gst_vaapisink_ensure_rotation(sink, FALSE);
 770
 771     gst_vaapisink_ensure_window_size(sink, &win_width, &win_height);
 772     if (sink->window) {
 773         if (!sink->foreign_window || sink->fullscreen)
 774             gst_vaapi_window_set_size(sink->window, win_width, win_height);
 775     }
 776     else {
 777         gst_vaapi_display_lock(sink->display);
 778         gst_video_overlay_prepare_window_handle(GST_VIDEO_OVERLAY(sink));
 779         gst_vaapi_display_unlock(sink->display);
 780         if (sink->window)
 781             return TRUE;
 782         if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
 783             return FALSE;
 784         gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
 785         gst_vaapi_window_show(sink->window);
 786         gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
 787     }
 788     sink->window_width  = win_width;
 789     sink->window_height = win_height;
 790     GST_DEBUG("window size %ux%u", win_width, win_height);
 791
 792     return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
 793 }
 794
 795 #if USE_GLX
 796 static void
 797 render_background(GstVaapiSink *sink)
 798 {
 799     /* Original code from Mirco Muller (MacSlow):
 800        <http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
 801     GLfloat fStartX = 0.0f;
 802     GLfloat fStartY = 0.0f;
 803     GLfloat fWidth  = (GLfloat)sink->window_width;
 804     GLfloat fHeight = (GLfloat)sink->window_height;
 805
 806     glClear(GL_COLOR_BUFFER_BIT);
 807     glBegin(GL_QUADS);
 808     {
 809         /* top third, darker grey to white */
 810         glColor3f(0.85f, 0.85f, 0.85f);
 811         glVertex3f(fStartX, fStartY, 0.0f);
 812         glColor3f(0.85f, 0.85f, 0.85f);
 813         glVertex3f(fStartX + fWidth, fStartY, 0.0f);
 814         glColor3f(1.0f, 1.0f, 1.0f);
 815         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 816         glColor3f(1.0f, 1.0f, 1.0f);
 817         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 818
 819         /* middle third, just plain white */
 820         glColor3f(1.0f, 1.0f, 1.0f);
 821         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 822         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 823         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 824         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 825
 826         /* bottom third, white to lighter grey */
 827         glColor3f(1.0f, 1.0f, 1.0f);
 828         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 829         glColor3f(1.0f, 1.0f, 1.0f);
 830         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 831         glColor3f(0.62f, 0.66f, 0.69f);
 832         glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
 833         glColor3f(0.62f, 0.66f, 0.69f);
 834         glVertex3f(fStartX, fStartY + fHeight, 0.0f);
 835     }
 836     glEnd();
 837 }
 838
 839 static void
 840 render_frame(GstVaapiSink *sink, GstVaapiSurface *surface,
 841     const GstVaapiRectangle *surface_rect)
 842 {
 843     const guint x1 = sink->display_rect.x;
 844     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 845     const guint y1 = sink->display_rect.y;
 846     const guint y2 = sink->display_rect.y + sink->display_rect.height;
 847     gfloat tx1, tx2, ty1, ty2;
 848     guint width, height;
 849
 850     if (surface_rect) {
 851         gst_vaapi_surface_get_size(surface, &width, &height);
 852         tx1 = (gfloat)surface_rect->x / width;
 853         ty1 = (gfloat)surface_rect->y / height;
 854         tx2 = (gfloat)(surface_rect->x + surface_rect->width) / width;
 855         ty2 = (gfloat)(surface_rect->y + surface_rect->height) / height;
 856     }
 857     else {
 858         tx1 = 0.0f;
 859         ty1 = 0.0f;
 860         tx2 = 1.0f;
 861         ty2 = 1.0f;
 862     }
 863
 864     glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 865     glBegin(GL_QUADS);
 866     {
 867         glTexCoord2f(tx1, ty1); glVertex2i(x1, y1);
 868         glTexCoord2f(tx1, ty2); glVertex2i(x1, y2);
 869         glTexCoord2f(tx2, ty2); glVertex2i(x2, y2);
 870         glTexCoord2f(tx2, ty1); glVertex2i(x2, y1);
 871     }
 872     glEnd();
 873 }
 874
 875 static void
 876 render_reflection(GstVaapiSink *sink)
 877 {
 878     const guint x1 = sink->display_rect.x;
 879     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 880     const guint y1 = sink->display_rect.y;
 881     const guint rh = sink->display_rect.height / 5;
 882     GLfloat     ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
 883
 884     glBegin(GL_QUADS);
 885     {
 886         glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 887         glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
 888         glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
 889
 890         glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
 891         glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
 892         glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
 893     }
 894     glEnd();
 895 }
 896
 897 static gboolean
 898 gst_vaapisink_ensure_texture(GstVaapiSink *sink, GstVaapiSurface *surface)
 899 {
 900     GstVideoRectangle tex_rect, dis_rect, out_rect;
 901     guint width, height;
 902
 903     if (sink->texture)
 904         return TRUE;
 905
 906     gst_vaapi_surface_get_size(surface, &width, &height);
 907     tex_rect.x = 0;
 908     tex_rect.y = 0;
 909     tex_rect.w = width;
 910     tex_rect.h = height;
 911
 912     gst_vaapi_display_get_size(sink->display, &width, &height);
 913     dis_rect.x = 0;
 914     dis_rect.y = 0;
 915     dis_rect.w = width;
 916     dis_rect.h = height;
 917
 918     gst_video_sink_center_rect(tex_rect, dis_rect, &out_rect, TRUE);
 919
 920     /* XXX: use surface size for now since some VA drivers have issues
 921        with downscaling to the provided texture size. i.e. we should be
 922        using the resulting out_rect size, which preserves the aspect
 923        ratio of the surface */
 924     width = tex_rect.w;
 925     height = tex_rect.h;
 926     GST_INFO("texture size %ux%u", width, height);
 927
 928     sink->texture = gst_vaapi_texture_new(sink->display,
 929         GL_TEXTURE_2D, GL_BGRA, width, height);
 930     return sink->texture != NULL;
 931 }
 932
 933 static gboolean
 934 gst_vaapisink_show_frame_glx(
 935     GstVaapiSink               *sink,
 936     GstVaapiSurface            *surface,
 937     const GstVaapiRectangle    *surface_rect,
 938     guint                       flags
 939 )
 940 {
 941     GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
 942     GLenum target;
 943     GLuint texture;
 944
 945     gst_vaapi_window_glx_make_current(window);
 946     if (!gst_vaapisink_ensure_texture(sink, surface))
 947         goto error_create_texture;
 948     if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
 949         goto error_transfer_surface;
 950
 951     target  = gst_vaapi_texture_get_target(sink->texture);
 952     texture = gst_vaapi_texture_get_id(sink->texture);
 953     if (target != GL_TEXTURE_2D || !texture)
 954         return FALSE;
 955
 956     if (sink->use_reflection)
 957         render_background(sink);
 958
 959     glEnable(target);
 960     glBindTexture(target, texture);
 961     {
 962         if (sink->use_reflection) {
 963             glPushMatrix();
 964             glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
 965             glTranslatef(50.0f, 0.0f, 0.0f);
 966         }
 967         render_frame(sink, surface, surface_rect);
 968         if (sink->use_reflection) {
 969             glPushMatrix();
 970             glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
 971             render_reflection(sink);
 972             glPopMatrix();
 973             glPopMatrix();
 974         }
 975     }
 976     glBindTexture(target, 0);
 977     glDisable(target);
 978     gst_vaapi_window_glx_swap_buffers(window);
 979     return TRUE;
 980
 981     /* ERRORS */
 982 error_create_texture:
 983     {
 984         GST_DEBUG("could not create VA/GLX texture");
 985         return FALSE;
 986     }
 987 error_transfer_surface:
 988     {
 989         GST_DEBUG("could not transfer VA surface to texture");
 990         return FALSE;
 991     }
 992 }
 993 #endif
 994
 995 static inline gboolean
 996 gst_vaapisink_put_surface(
 997     GstVaapiSink               *sink,
 998     GstVaapiSurface            *surface,
 999     const GstVaapiRectangle    *surface_rect,
1000     guint                       flags
1001 )
1002 {
1003     if (!gst_vaapi_window_put_surface(sink->window, surface,
1004                 surface_rect, &sink->display_rect, flags)) {
1005         GST_DEBUG("could not render VA surface");
1006         return FALSE;
1007     }
1008     return TRUE;
1009 }
1010
1011 static GstFlowReturn
1012 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *src_buffer)
1013 {
1014     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1015     GstVaapiVideoMeta *meta;
1016     GstVaapiSurface *surface;
1017     GstBuffer *buffer;
1018     guint flags;
1019     gboolean success;
1020     GstVaapiRectangle *surface_rect = NULL;
1021 #if GST_CHECK_VERSION(1,0,0)
1022     GstVaapiRectangle tmp_rect;
1023 #endif
1024
1025     meta = gst_buffer_get_vaapi_video_meta(src_buffer);
1026 #if GST_CHECK_VERSION(1,0,0)
1027     if (!meta)
1028         return GST_FLOW_EOS;
1029     buffer = gst_buffer_ref(src_buffer);
1030
1031     GstVideoCropMeta * const crop_meta =
1032         gst_buffer_get_video_crop_meta(buffer);
1033     if (crop_meta) {
1034         surface_rect = &tmp_rect;
1035         surface_rect->x = crop_meta->x;
1036         surface_rect->y = crop_meta->y;
1037         surface_rect->width = crop_meta->width;
1038         surface_rect->height = crop_meta->height;
1039     }
1040 #else
1041     if (meta)
1042         buffer = gst_buffer_ref(src_buffer);
1043     else if (sink->use_video_raw) {
1044         buffer = gst_vaapi_uploader_get_buffer(sink->uploader);
1045         if (!buffer)
1046             return GST_FLOW_EOS;
1047         meta = gst_buffer_get_vaapi_video_meta(buffer);
1048         if (!meta)
1049             goto error;
1050     }
1051     else
1052         return GST_FLOW_EOS;
1053
1054     if (sink->use_video_raw &&
1055         !gst_vaapi_uploader_process(sink->uploader, src_buffer, buffer)) {
1056         GST_WARNING("failed to process raw YUV buffer");
1057         goto error;
1058     }
1059 #endif
1060
1061     if (sink->display != gst_vaapi_video_meta_get_display(meta))
1062         gst_vaapi_display_replace(&sink->display,
1063             gst_vaapi_video_meta_get_display(meta));
1064
1065     if (!sink->window)
1066         goto error;
1067
1068     gst_vaapisink_ensure_rotation(sink, TRUE);
1069
1070     surface = gst_vaapi_video_meta_get_surface(meta);
1071     if (!surface)
1072         goto error;
1073
1074     GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
1075               GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
1076
1077     if (!surface_rect)
1078         surface_rect = (GstVaapiRectangle *)
1079             gst_vaapi_video_meta_get_render_rect(meta);
1080
1081     if (surface_rect)
1082         GST_DEBUG("render rect (%d,%d), size %ux%u",
1083                   surface_rect->x, surface_rect->y,
1084                   surface_rect->width, surface_rect->height);
1085
1086     flags = gst_vaapi_video_meta_get_render_flags(meta);
1087
1088     if (!gst_vaapi_apply_composition(surface, src_buffer))
1089         GST_WARNING("could not update subtitles");
1090
1091     switch (sink->display_type) {
1092 #if USE_DRM
1093     case GST_VAAPI_DISPLAY_TYPE_DRM:
1094         success = TRUE;
1095         break;
1096 #endif
1097 #if USE_GLX
1098     case GST_VAAPI_DISPLAY_TYPE_GLX:
1099         if (!sink->use_glx)
1100             goto put_surface_x11;
1101         success = gst_vaapisink_show_frame_glx(sink, surface, surface_rect,
1102             flags);
1103         break;
1104 #endif
1105 #if USE_X11
1106     case GST_VAAPI_DISPLAY_TYPE_X11:
1107     put_surface_x11:
1108         success = gst_vaapisink_put_surface(sink, surface, surface_rect, flags);
1109         break;
1110 #endif
1111 #if USE_WAYLAND
1112     case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
1113         success = gst_vaapisink_put_surface(sink, surface, surface_rect, flags);
1114         break;
1115 #endif
1116     default:
1117         GST_ERROR("unsupported display type %d", sink->display_type);
1118         success = FALSE;
1119         break;
1120     }
1121     if (!success)
1122         goto error;
1123
1124     /* Retain VA surface until the next one is displayed */
1125     if (sink->use_overlay)
1126         gst_buffer_replace(&sink->video_buffer, buffer);
1127     gst_buffer_unref(buffer);
1128     return GST_FLOW_OK;
1129
1130 error:
1131     gst_buffer_unref(buffer);
1132     return GST_FLOW_EOS;
1133 }
1134
1135 #if GST_CHECK_VERSION(1,0,0)
1136 static gboolean
1137 gst_vaapisink_propose_allocation(GstBaseSink *base_sink, GstQuery *query)
1138 {
1139     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1140     GstCaps *caps = NULL;
1141     gboolean need_pool;
1142
1143     gst_query_parse_allocation(query, &caps, &need_pool);
1144
1145     if (need_pool) {
1146         if (!caps)
1147             goto error_no_caps;
1148         if (!gst_vaapisink_ensure_video_buffer_pool(sink, caps))
1149             return FALSE;
1150         gst_query_add_allocation_pool(query, sink->video_buffer_pool,
1151             sink->video_buffer_size, 0, 0);
1152     }
1153
1154     gst_query_add_allocation_meta(query,
1155         GST_VAAPI_VIDEO_META_API_TYPE, NULL);
1156     gst_query_add_allocation_meta(query,
1157         GST_VIDEO_META_API_TYPE, NULL);
1158     gst_query_add_allocation_meta(query,
1159         GST_VIDEO_CROP_META_API_TYPE, NULL);
1160     gst_query_add_allocation_meta(query,
1161         GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
1162     return TRUE;
1163
1164     /* ERRORS */
1165 error_no_caps:
1166     {
1167         GST_ERROR("no caps specified");
1168         return FALSE;
1169     }
1170 }
1171 #else
1172 static GstFlowReturn
1173 gst_vaapisink_buffer_alloc(
1174     GstBaseSink        *base_sink,
1175     guint64             offset,
1176     guint               size,
1177     GstCaps            *caps,
1178     GstBuffer         **pbuf
1179 )
1180 {
1181     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1182     GstVideoInfo vi;
1183     GstBuffer *buf;
1184
1185     *pbuf = NULL;
1186
1187     if (!sink->use_video_raw) {
1188         /* Note: this code path is rarely used but for raw YUV formats
1189            from custom pipeline. Otherwise, GstBaseSink::set_caps() is
1190            called first, and GstBaseSink::buffer_alloc() is not called
1191            in VA surface format mode */
1192         if (!gst_video_info_from_caps(&vi, caps))
1193             return GST_FLOW_NOT_SUPPORTED;
1194         if (!GST_VIDEO_INFO_IS_YUV(&vi))
1195             return GST_FLOW_OK;
1196     }
1197
1198     if (!gst_vaapi_uploader_ensure_display(sink->uploader, sink->display))
1199         return GST_FLOW_NOT_SUPPORTED;
1200     if (!gst_vaapi_uploader_ensure_caps(sink->uploader, caps, NULL))
1201         return GST_FLOW_NOT_SUPPORTED;
1202
1203     buf = gst_vaapi_uploader_get_buffer(sink->uploader);
1204     if (!buf) {
1205         GST_WARNING("failed to allocate resources for raw YUV buffer");
1206         return GST_FLOW_NOT_SUPPORTED;
1207     }
1208
1209     *pbuf = buf;
1210     return GST_FLOW_OK;
1211 }
1212 #endif
1213
1214 static gboolean
1215 gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
1216 {
1217     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1218
1219     if (gst_vaapi_reply_to_query(query, sink->display)) {
1220         GST_DEBUG("sharing display %p", sink->display);
1221         return TRUE;
1222     }
1223     return GST_BASE_SINK_CLASS(gst_vaapisink_parent_class)->query(base_sink,
1224         query);
1225 }
1226
1227 static void
1228 gst_vaapisink_finalize(GObject *object)
1229 {
1230     gst_vaapisink_destroy(GST_VAAPISINK(object));
1231
1232     G_OBJECT_CLASS(gst_vaapisink_parent_class)->finalize(object);
1233 }
1234
1235 static void
1236 gst_vaapisink_set_property(
1237     GObject      *object,
1238     guint         prop_id,
1239     const GValue *value,
1240     GParamSpec   *pspec
1241 )
1242 {
1243     GstVaapiSink * const sink = GST_VAAPISINK(object);
1244
1245     switch (prop_id) {
1246     case PROP_DISPLAY_TYPE:
1247         sink->display_type = g_value_get_enum(value);
1248         break;
1249     case PROP_FULLSCREEN:
1250         sink->fullscreen = g_value_get_boolean(value);
1251         break;
1252     case PROP_SYNCHRONOUS:
1253         sink->synchronous = g_value_get_boolean(value);
1254         break;
1255     case PROP_USE_GLX:
1256         sink->use_glx = g_value_get_boolean(value);
1257         break;
1258     case PROP_USE_REFLECTION:
1259         sink->use_reflection = g_value_get_boolean(value);
1260         break;
1261     case PROP_ROTATION:
1262         sink->rotation_req = g_value_get_enum(value);
1263         break;
1264     default:
1265         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1266         break;
1267     }
1268 }
1269
1270 static void
1271 gst_vaapisink_get_property(
1272     GObject    *object,
1273     guint       prop_id,
1274     GValue     *value,
1275     GParamSpec *pspec
1276 )
1277 {
1278     GstVaapiSink * const sink = GST_VAAPISINK(object);
1279
1280     switch (prop_id) {
1281     case PROP_DISPLAY_TYPE:
1282         g_value_set_enum(value, sink->display_type);
1283         break;
1284     case PROP_FULLSCREEN:
1285         g_value_set_boolean(value, sink->fullscreen);
1286         break;
1287     case PROP_SYNCHRONOUS:
1288         g_value_set_boolean(value, sink->synchronous);
1289         break;
1290     case PROP_USE_GLX:
1291         g_value_set_boolean(value, sink->use_glx);
1292         break;
1293     case PROP_USE_REFLECTION:
1294         g_value_set_boolean(value, sink->use_reflection);
1295         break;
1296     case PROP_ROTATION:
1297         g_value_set_enum(value, sink->rotation);
1298         break;
1299     default:
1300         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1301         break;
1302     }
1303 }
1304
1305 static void
1306 gst_vaapisink_class_init(GstVaapiSinkClass *klass)
1307 {
1308     GObjectClass * const     object_class   = G_OBJECT_CLASS(klass);
1309     GstElementClass * const  element_class  = GST_ELEMENT_CLASS(klass);
1310     GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
1311     GstPadTemplate *pad_template;
1312
1313     GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
1314                             GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
1315
1316     object_class->finalize       = gst_vaapisink_finalize;
1317     object_class->set_property   = gst_vaapisink_set_property;
1318     object_class->get_property   = gst_vaapisink_get_property;
1319
1320     basesink_class->start        = gst_vaapisink_start;
1321     basesink_class->stop         = gst_vaapisink_stop;
1322     basesink_class->get_caps     = gst_vaapisink_get_caps;
1323     basesink_class->set_caps     = gst_vaapisink_set_caps;
1324     basesink_class->preroll      = gst_vaapisink_show_frame;
1325     basesink_class->render       = gst_vaapisink_show_frame;
1326     basesink_class->query        = gst_vaapisink_query;
1327 #if GST_CHECK_VERSION(1,0,0)
1328     basesink_class->propose_allocation = gst_vaapisink_propose_allocation;
1329 #else
1330     basesink_class->buffer_alloc = gst_vaapisink_buffer_alloc;
1331 #endif
1332
1333     gst_element_class_set_static_metadata(element_class,
1334         "VA-API sink",
1335         "Sink/Video",
1336         GST_PLUGIN_DESC,
1337         "Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
1338
1339     pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
1340     gst_element_class_add_pad_template(element_class, pad_template);
1341
1342     g_object_class_install_property
1343         (object_class,
1344          PROP_DISPLAY_TYPE,
1345          g_param_spec_enum("display",
1346                            "display type",
1347                            "display type to use",
1348                            GST_VAAPI_TYPE_DISPLAY_TYPE,
1349                            GST_VAAPI_DISPLAY_TYPE_ANY,
1350                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1351
1352 #if USE_GLX
1353     g_object_class_install_property
1354         (object_class,
1355          PROP_USE_GLX,
1356          g_param_spec_boolean("use-glx",
1357                               "OpenGL rendering",
1358                               "Enables OpenGL rendering",
1359                               FALSE,
1360                               G_PARAM_READWRITE));
1361
1362     g_object_class_install_property
1363         (object_class,
1364          PROP_USE_REFLECTION,
1365          g_param_spec_boolean("use-reflection",
1366                               "Reflection effect",
1367                               "Enables OpenGL reflection effect",
1368                               FALSE,
1369                               G_PARAM_READWRITE));
1370 #endif
1371
1372     g_object_class_install_property
1373         (object_class,
1374          PROP_FULLSCREEN,
1375          g_param_spec_boolean("fullscreen",
1376                               "Fullscreen",
1377                               "Requests window in fullscreen state",
1378                               FALSE,
1379                               G_PARAM_READWRITE));
1380
1381     /**
1382      * GstVaapiSink:synchronous:
1383      *
1384      * When enabled, runs the X display in synchronous mode. Note that
1385      * this is used only for debugging.
1386      */
1387     g_object_class_install_property
1388         (object_class,
1389          PROP_SYNCHRONOUS,
1390          g_param_spec_boolean("synchronous",
1391                               "Synchronous mode",
1392                               "Toggles X display synchronous mode",
1393                               FALSE,
1394                               G_PARAM_READWRITE));
1395
1396     /**
1397      * GstVaapiSink:rotation:
1398      *
1399      * The VA display rotation mode, expressed as a #GstVaapiRotation.
1400      */
1401     g_object_class_install_property
1402         (object_class,
1403          PROP_ROTATION,
1404          g_param_spec_enum(GST_VAAPI_DISPLAY_PROP_ROTATION,
1405                            "rotation",
1406                            "The display rotation mode",
1407                            GST_VAAPI_TYPE_ROTATION,
1408                            DEFAULT_ROTATION,
1409                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1410 }
1411
1412 static void
1413 gst_vaapisink_init(GstVaapiSink *sink)
1414 {
1415     sink->caps           = NULL;
1416     sink->display        = NULL;
1417     sink->window         = NULL;
1418     sink->window_width   = 0;
1419     sink->window_height  = 0;
1420     sink->texture        = NULL;
1421     sink->video_buffer   = NULL;
1422     sink->video_width    = 0;
1423     sink->video_height   = 0;
1424     sink->video_par_n    = 1;
1425     sink->video_par_d    = 1;
1426     sink->foreign_window = FALSE;
1427     sink->fullscreen     = FALSE;
1428     sink->synchronous    = FALSE;
1429     sink->display_type   = DEFAULT_DISPLAY_TYPE;
1430     sink->rotation       = DEFAULT_ROTATION;
1431     sink->rotation_req   = DEFAULT_ROTATION;
1432     sink->use_reflection = FALSE;
1433     sink->use_overlay    = FALSE;
1434     sink->use_rotation   = FALSE;
1435 }