gst/vaapi/gstvaapisink.c

   1 /*
   2  *  gstvaapisink.c - VA-API video sink
   3  *
   4  *  Copyright (C) 2010-2011 Splitted-Desktop Systems
   5  *    Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
   6  *  Copyright (C) 2011-2013 Intel Corporation
   7  *    Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
   8  *
   9  *  This library is free software; you can redistribute it and/or
  10  *  modify it under the terms of the GNU Lesser General Public License
  11  *  as published by the Free Software Foundation; either version 2.1
  12  *  of the License, or (at your option) any later version.
  13  *
  14  *  This library is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  *  Lesser General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU Lesser General Public
  20  *  License along with this library; if not, write to the Free
  21  *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22  *  Boston, MA 02110-1301 USA
  23  */
  24
  25 /**
  26  * SECTION:gstvaapisink
  27  * @short_description: A VA-API based videosink
  28  *
  29  * vaapisink renders video frames to a drawable (X #Window) on a local
  30  * display using the Video Acceleration (VA) API. The element will
  31  * create its own internal window and render into it.
  32  */
  33
  34 #include "gst/vaapi/sysdeps.h"
  35 #include <gst/gst.h>
  36 #include <gst/video/video.h>
  37
  38 #include <gst/vaapi/gstvaapivalue.h>
  39 #if USE_DRM
  40 # include <gst/vaapi/gstvaapidisplay_drm.h>
  41 #endif
  42 #if USE_X11
  43 # include <gst/vaapi/gstvaapidisplay_x11.h>
  44 # include <gst/vaapi/gstvaapiwindow_x11.h>
  45 #endif
  46 #if USE_GLX
  47 # include <gst/vaapi/gstvaapidisplay_glx.h>
  48 # include <gst/vaapi/gstvaapiwindow_glx.h>
  49 #endif
  50 #if USE_WAYLAND
  51 # include <gst/vaapi/gstvaapidisplay_wayland.h>
  52 # include <gst/vaapi/gstvaapiwindow_wayland.h>
  53 #endif
  54
  55 /* Supported interfaces */
  56 #if GST_CHECK_VERSION(1,0,0)
  57 # include <gst/video/videooverlay.h>
  58 #else
  59 # include <gst/interfaces/xoverlay.h>
  60
  61 # define GST_TYPE_VIDEO_OVERLAY         GST_TYPE_X_OVERLAY
  62 # define GST_VIDEO_OVERLAY              GST_X_OVERLAY
  63 # define GstVideoOverlay                GstXOverlay
  64 # define GstVideoOverlayInterface       GstXOverlayClass
  65
  66 # define gst_video_overlay_prepare_window_handle(sink) \
  67     gst_x_overlay_prepare_xwindow_id(sink)
  68 # define gst_video_overlay_got_window_handle(sink, window_handle) \
  69     gst_x_overlay_got_window_handle(sink, window_handle)
  70 #endif
  71
  72 #include "gstvaapisink.h"
  73 #include "gstvaapipluginutil.h"
  74 #include "gstvaapivideometa.h"
  75 #if GST_CHECK_VERSION(1,0,0)
  76 #include "gstvaapivideobufferpool.h"
  77 #include "gstvaapivideomemory.h"
  78 #endif
  79
  80 #define GST_PLUGIN_NAME "vaapisink"
  81 #define GST_PLUGIN_DESC "A VA-API based videosink"
  82
  83 GST_DEBUG_CATEGORY_STATIC(gst_debug_vaapisink);
  84 #define GST_CAT_DEFAULT gst_debug_vaapisink
  85
  86 /* Default template */
  87 static const char gst_vaapisink_sink_caps_str[] =
  88 #if GST_CHECK_VERSION(1,1,0)
  89     GST_VIDEO_CAPS_MAKE_WITH_FEATURES(
  90         GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE, "{ ENCODED, NV12, I420, YV12 }");
  91 #else
  92 #if GST_CHECK_VERSION(1,0,0)
  93     GST_VIDEO_CAPS_MAKE(GST_VIDEO_FORMATS_ALL) "; "
  94 #else
  95     "video/x-raw-yuv, "
  96     "width  = (int) [ 1, MAX ], "
  97     "height = (int) [ 1, MAX ]; "
  98 #endif
  99     GST_VAAPI_SURFACE_CAPS;
 100 #endif
 101
 102 static GstStaticPadTemplate gst_vaapisink_sink_factory =
 103     GST_STATIC_PAD_TEMPLATE(
 104         "sink",
 105         GST_PAD_SINK,
 106         GST_PAD_ALWAYS,
 107         GST_STATIC_CAPS(gst_vaapisink_sink_caps_str));
 108
 109 static gboolean
 110 gst_vaapisink_has_interface(GstVaapiPluginBase *plugin, GType type)
 111 {
 112     return type == GST_TYPE_VIDEO_OVERLAY;
 113 }
 114
 115 static void
 116 gst_vaapisink_video_overlay_iface_init(GstVideoOverlayInterface *iface);
 117
 118 G_DEFINE_TYPE_WITH_CODE(
 119     GstVaapiSink,
 120     gst_vaapisink,
 121     GST_TYPE_VIDEO_SINK,
 122     GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES
 123     G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_OVERLAY,
 124                           gst_vaapisink_video_overlay_iface_init))
 125
 126 enum {
 127     PROP_0,
 128
 129     PROP_DISPLAY_TYPE,
 130     PROP_FULLSCREEN,
 131     PROP_SYNCHRONOUS,
 132     PROP_USE_GLX,
 133     PROP_USE_REFLECTION,
 134     PROP_ROTATION,
 135     PROP_FORCE_ASPECT_RATIO,
 136 };
 137
 138 #define DEFAULT_DISPLAY_TYPE            GST_VAAPI_DISPLAY_TYPE_ANY
 139 #define DEFAULT_ROTATION                GST_VAAPI_ROTATION_0
 140
 141 /* GstVideoOverlay interface */
 142
 143 #if USE_X11
 144 static gboolean
 145 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id);
 146 #endif
 147
 148 static GstFlowReturn
 149 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
 150
 151 static void
 152 gst_vaapisink_video_overlay_set_window_handle(GstVideoOverlay *overlay,
 153     guintptr window)
 154 {
 155     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 156     GstVaapiDisplayType display_type = GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink);
 157
 158     /* Disable GLX rendering when vaapisink is using a foreign X
 159        window. It's pretty much useless */
 160     if (display_type == GST_VAAPI_DISPLAY_TYPE_GLX) {
 161         display_type = GST_VAAPI_DISPLAY_TYPE_X11;
 162         gst_vaapi_plugin_base_set_display_type(GST_VAAPI_PLUGIN_BASE(sink),
 163             display_type);
 164     }
 165
 166     sink->foreign_window = TRUE;
 167
 168     switch (display_type) {
 169 #if USE_X11
 170     case GST_VAAPI_DISPLAY_TYPE_X11:
 171         gst_vaapisink_ensure_window_xid(sink, window);
 172         break;
 173 #endif
 174     default:
 175         break;
 176     }
 177 }
 178
 179 static void
 180 gst_vaapisink_video_overlay_set_render_rectangle(
 181     GstVideoOverlay *overlay,
 182     gint         x,
 183     gint         y,
 184     gint         width,
 185     gint         height
 186 )
 187 {
 188     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 189     GstVaapiRectangle * const display_rect = &sink->display_rect;
 190
 191     display_rect->x      = x;
 192     display_rect->y      = y;
 193     display_rect->width  = width;
 194     display_rect->height = height;
 195
 196     GST_DEBUG("render rect (%d,%d):%ux%u",
 197               display_rect->x, display_rect->y,
 198               display_rect->width, display_rect->height);
 199 }
 200
 201 static void
 202 gst_vaapisink_video_overlay_expose(GstVideoOverlay *overlay)
 203 {
 204     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 205     GstBaseSink * const base_sink = GST_BASE_SINK(overlay);
 206     GstBuffer *buffer;
 207
 208     if (sink->use_overlay)
 209         buffer = sink->video_buffer ? gst_buffer_ref(sink->video_buffer) : NULL;
 210     else {
 211 #if GST_CHECK_VERSION(1,0,0)
 212         GstSample * const sample = gst_base_sink_get_last_sample(base_sink);
 213         if (!sample)
 214             return;
 215         buffer = gst_buffer_ref(gst_sample_get_buffer(sample));
 216         gst_sample_unref(sample);
 217 #else
 218         buffer = gst_base_sink_get_last_buffer(base_sink);
 219 #endif
 220     }
 221     if (buffer) {
 222         gst_vaapisink_show_frame(base_sink, buffer);
 223         gst_buffer_unref(buffer);
 224     }
 225 }
 226
 227 static void
 228 gst_vaapisink_video_overlay_iface_init(GstVideoOverlayInterface *iface)
 229 {
 230     iface->set_window_handle    = gst_vaapisink_video_overlay_set_window_handle;
 231     iface->set_render_rectangle = gst_vaapisink_video_overlay_set_render_rectangle;
 232     iface->expose               = gst_vaapisink_video_overlay_expose;
 233 }
 234
 235 static void
 236 gst_vaapisink_destroy(GstVaapiSink *sink)
 237 {
 238     gst_buffer_replace(&sink->video_buffer, NULL);
 239 #if USE_GLX
 240     gst_vaapi_texture_replace(&sink->texture, NULL);
 241 #endif
 242     gst_caps_replace(&sink->caps, NULL);
 243 }
 244
 245 #if USE_X11
 246 /* Checks whether a ConfigureNotify event is in the queue */
 247 typedef struct _ConfigureNotifyEventPendingArgs ConfigureNotifyEventPendingArgs;
 248 struct _ConfigureNotifyEventPendingArgs {
 249     Window      window;
 250     guint       width;
 251     guint       height;
 252     gboolean    match;
 253 };
 254
 255 static Bool
 256 configure_notify_event_pending_cb(Display *dpy, XEvent *xev, XPointer arg)
 257 {
 258     ConfigureNotifyEventPendingArgs * const args =
 259         (ConfigureNotifyEventPendingArgs *)arg;
 260
 261     if (xev->type == ConfigureNotify &&
 262         xev->xconfigure.window == args->window &&
 263         xev->xconfigure.width  == args->width  &&
 264         xev->xconfigure.height == args->height)
 265         args->match = TRUE;
 266
 267     /* XXX: this is a hack to traverse the whole queue because we
 268        can't use XPeekIfEvent() since it could block */
 269     return False;
 270 }
 271
 272 static gboolean
 273 configure_notify_event_pending(
 274     GstVaapiSink *sink,
 275     Window        window,
 276     guint         width,
 277     guint         height
 278 )
 279 {
 280     GstVaapiDisplayX11 * const display =
 281         GST_VAAPI_DISPLAY_X11(GST_VAAPI_PLUGIN_BASE_DISPLAY(sink));
 282     ConfigureNotifyEventPendingArgs args;
 283     XEvent xev;
 284
 285     args.window = window;
 286     args.width  = width;
 287     args.height = height;
 288     args.match  = FALSE;
 289
 290     /* XXX: don't use XPeekIfEvent() because it might block */
 291     XCheckIfEvent(
 292         gst_vaapi_display_x11_get_display(display),
 293         &xev,
 294         configure_notify_event_pending_cb, (XPointer)&args
 295     );
 296     return args.match;
 297 }
 298 #endif
 299
 300 static const gchar *
 301 get_display_type_name(GstVaapiDisplayType display_type)
 302 {
 303     gpointer const klass = g_type_class_peek(GST_VAAPI_TYPE_DISPLAY_TYPE);
 304     GEnumValue * const e = g_enum_get_value(klass, display_type);
 305
 306     if (e)
 307         return e->value_name;
 308     return "<unknown-type>";
 309 }
 310
 311 static inline gboolean
 312 gst_vaapisink_ensure_display(GstVaapiSink *sink)
 313 {
 314     return gst_vaapi_plugin_base_ensure_display(GST_VAAPI_PLUGIN_BASE(sink));
 315 }
 316
 317 static void
 318 gst_vaapisink_display_changed(GstVaapiPluginBase *plugin)
 319 {
 320     GstVaapiSink * const sink = GST_VAAPISINK(plugin);
 321     GstVaapiRenderMode render_mode;
 322
 323     GST_INFO("created %s %p", get_display_type_name(plugin->display_type),
 324              plugin->display);
 325
 326     sink->use_overlay =
 327         gst_vaapi_display_get_render_mode(plugin->display, &render_mode) &&
 328         render_mode == GST_VAAPI_RENDER_MODE_OVERLAY;
 329     GST_DEBUG("use %s rendering mode",
 330               sink->use_overlay ? "overlay" : "texture");
 331
 332     sink->use_rotation = gst_vaapi_display_has_property(plugin->display,
 333         GST_VAAPI_DISPLAY_PROP_ROTATION);
 334 }
 335
 336 static gboolean
 337 gst_vaapisink_ensure_uploader(GstVaapiSink *sink)
 338 {
 339     if (!gst_vaapisink_ensure_display(sink))
 340         return FALSE;
 341     if (!gst_vaapi_plugin_base_ensure_uploader(GST_VAAPI_PLUGIN_BASE(sink)))
 342         return FALSE;
 343     return TRUE;
 344 }
 345
 346 static gboolean
 347 gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
 348 {
 349     GstVaapiRectangle * const display_rect = &sink->display_rect;
 350     guint num, den, display_par_n, display_par_d;
 351     gboolean success;
 352
 353     /* Return success if caps are not set yet */
 354     if (!sink->caps)
 355         return TRUE;
 356
 357     if (!sink->keep_aspect) {
 358         display_rect->width = width;
 359         display_rect->height = height;
 360         display_rect->x = 0;
 361         display_rect->y = 0;
 362
 363         GST_DEBUG("force-aspect-ratio is false; distorting while scaling video");
 364         GST_DEBUG("render rect (%d,%d):%ux%u",
 365                   display_rect->x, display_rect->y,
 366                   display_rect->width, display_rect->height);
 367         return TRUE;
 368     }
 369
 370     GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
 371
 372     gst_vaapi_display_get_pixel_aspect_ratio(
 373         GST_VAAPI_PLUGIN_BASE_DISPLAY(sink),
 374         &display_par_n, &display_par_d
 375     );
 376     GST_DEBUG("display pixel-aspect-ratio %d/%d",
 377               display_par_n, display_par_d);
 378
 379     success = gst_video_calculate_display_ratio(
 380         &num, &den,
 381         sink->video_width, sink->video_height,
 382         sink->video_par_n, sink->video_par_d,
 383         display_par_n, display_par_d
 384     );
 385     if (!success)
 386         return FALSE;
 387     GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
 388               sink->video_width, sink->video_height, num, den);
 389
 390     display_rect->width = gst_util_uint64_scale_int(height, num, den);
 391     if (display_rect->width <= width) {
 392         GST_DEBUG("keeping window height");
 393         display_rect->height = height;
 394     }
 395     else {
 396         GST_DEBUG("keeping window width");
 397         display_rect->width  = width;
 398         display_rect->height =
 399             gst_util_uint64_scale_int(width, den, num);
 400     }
 401     GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
 402
 403     g_assert(display_rect->width  <= width);
 404     g_assert(display_rect->height <= height);
 405
 406     display_rect->x = (width  - display_rect->width)  / 2;
 407     display_rect->y = (height - display_rect->height) / 2;
 408
 409     GST_DEBUG("render rect (%d,%d):%ux%u",
 410               display_rect->x, display_rect->y,
 411               display_rect->width, display_rect->height);
 412     return TRUE;
 413 }
 414
 415 static void
 416 gst_vaapisink_ensure_window_size(GstVaapiSink *sink, guint *pwidth, guint *pheight)
 417 {
 418     GstVaapiDisplay * const display = GST_VAAPI_PLUGIN_BASE_DISPLAY(sink);
 419     GstVideoRectangle src_rect, dst_rect, out_rect;
 420     guint num, den, display_width, display_height, display_par_n, display_par_d;
 421     gboolean success, scale;
 422
 423     if (sink->foreign_window) {
 424         *pwidth  = sink->window_width;
 425         *pheight = sink->window_height;
 426         return;
 427     }
 428
 429     gst_vaapi_display_get_size(display, &display_width, &display_height);
 430     if (sink->fullscreen) {
 431         *pwidth  = display_width;
 432         *pheight = display_height;
 433         return;
 434     }
 435
 436     gst_vaapi_display_get_pixel_aspect_ratio(
 437         display,
 438         &display_par_n, &display_par_d
 439     );
 440
 441     success = gst_video_calculate_display_ratio(
 442         &num, &den,
 443         sink->video_width, sink->video_height,
 444         sink->video_par_n, sink->video_par_d,
 445         display_par_n, display_par_d
 446     );
 447     if (!success) {
 448         num = sink->video_par_n;
 449         den = sink->video_par_d;
 450     }
 451
 452     src_rect.x = 0;
 453     src_rect.y = 0;
 454     src_rect.w = gst_util_uint64_scale_int(sink->video_height, num, den);
 455     src_rect.h = sink->video_height;
 456     dst_rect.x = 0;
 457     dst_rect.y = 0;
 458     dst_rect.w = display_width;
 459     dst_rect.h = display_height;
 460     scale      = (src_rect.w > dst_rect.w || src_rect.h > dst_rect.h);
 461     gst_video_sink_center_rect(src_rect, dst_rect, &out_rect, scale);
 462     *pwidth    = out_rect.w;
 463     *pheight   = out_rect.h;
 464 }
 465
 466 static inline gboolean
 467 gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
 468 {
 469     GstVaapiDisplay * const display = GST_VAAPI_PLUGIN_BASE_DISPLAY(sink);
 470
 471     if (!sink->window) {
 472         const GstVaapiDisplayType display_type =
 473             GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink);
 474         switch (display_type) {
 475 #if USE_GLX
 476         case GST_VAAPI_DISPLAY_TYPE_GLX:
 477             sink->window = gst_vaapi_window_glx_new(display, width, height);
 478             goto notify_video_overlay_interface;
 479 #endif
 480 #if USE_X11
 481         case GST_VAAPI_DISPLAY_TYPE_X11:
 482             sink->window = gst_vaapi_window_x11_new(display, width, height);
 483         notify_video_overlay_interface:
 484             if (!sink->window)
 485                 break;
 486             gst_video_overlay_got_window_handle(
 487                 GST_VIDEO_OVERLAY(sink),
 488                 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
 489             );
 490             break;
 491 #endif
 492 #if USE_WAYLAND
 493         case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
 494             sink->window = gst_vaapi_window_wayland_new(display, width, height);
 495             break;
 496 #endif
 497         default:
 498             GST_ERROR("unsupported display type %d", display_type);
 499             return FALSE;
 500         }
 501     }
 502     return sink->window != NULL;
 503 }
 504
 505 #if USE_X11
 506 static gboolean
 507 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id)
 508 {
 509     GstVaapiDisplay *display;
 510     Window rootwin;
 511     unsigned int width, height, border_width, depth;
 512     int x, y;
 513     XID xid = window_id;
 514
 515     if (!gst_vaapisink_ensure_display(sink))
 516         return FALSE;
 517     display = GST_VAAPI_PLUGIN_BASE_DISPLAY(sink);
 518
 519     gst_vaapi_display_lock(display);
 520     XGetGeometry(
 521         gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(display)),
 522         xid,
 523         &rootwin,
 524         &x, &y, &width, &height, &border_width, &depth
 525     );
 526     gst_vaapi_display_unlock(display);
 527
 528     if ((width != sink->window_width || height != sink->window_height) &&
 529         !configure_notify_event_pending(sink, xid, width, height)) {
 530         if (!gst_vaapisink_ensure_render_rect(sink, width, height))
 531             return FALSE;
 532         sink->window_width  = width;
 533         sink->window_height = height;
 534     }
 535
 536     if (sink->window &&
 537         gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window)) == xid)
 538         return TRUE;
 539
 540     gst_vaapi_window_replace(&sink->window, NULL);
 541
 542     switch (GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink)) {
 543 #if USE_GLX
 544     case GST_VAAPI_DISPLAY_TYPE_GLX:
 545         sink->window = gst_vaapi_window_glx_new_with_xid(display, xid);
 546         break;
 547 #endif
 548     case GST_VAAPI_DISPLAY_TYPE_X11:
 549         sink->window = gst_vaapi_window_x11_new_with_xid(display, xid);
 550         break;
 551     default:
 552         GST_ERROR("unsupported display type %d",
 553                   GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink));
 554         return FALSE;
 555     }
 556     return sink->window != NULL;
 557 }
 558 #endif
 559
 560 static gboolean
 561 gst_vaapisink_ensure_rotation(GstVaapiSink *sink, gboolean recalc_display_rect)
 562 {
 563     GstVaapiDisplay * const display = GST_VAAPI_PLUGIN_BASE_DISPLAY(sink);
 564     gboolean success = FALSE;
 565
 566     g_return_val_if_fail(display, FALSE);
 567
 568     if (sink->rotation == sink->rotation_req)
 569         return TRUE;
 570
 571     if (!sink->use_rotation) {
 572         GST_WARNING("VA display does not support rotation");
 573         goto end;
 574     }
 575
 576     gst_vaapi_display_lock(display);
 577     success = gst_vaapi_display_set_rotation(display, sink->rotation_req);
 578     gst_vaapi_display_unlock(display);
 579     if (!success) {
 580         GST_ERROR("failed to change VA display rotation mode");
 581         goto end;
 582     }
 583
 584     if (((sink->rotation + sink->rotation_req) % 180) == 90) {
 585         /* Orientation changed */
 586         G_PRIMITIVE_SWAP(guint, sink->video_width, sink->video_height);
 587         G_PRIMITIVE_SWAP(gint, sink->video_par_n, sink->video_par_d);
 588     }
 589
 590     if (recalc_display_rect && !sink->foreign_window)
 591         gst_vaapisink_ensure_render_rect(sink, sink->window_width,
 592             sink->window_height);
 593     success = TRUE;
 594
 595 end:
 596     sink->rotation = sink->rotation_req;
 597     return success;
 598 }
 599
 600 static gboolean
 601 gst_vaapisink_start(GstBaseSink *base_sink)
 602 {
 603     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 604
 605     if (!gst_vaapi_plugin_base_open(GST_VAAPI_PLUGIN_BASE(sink)))
 606         return FALSE;
 607     return gst_vaapisink_ensure_uploader(sink);
 608 }
 609
 610 static gboolean
 611 gst_vaapisink_stop(GstBaseSink *base_sink)
 612 {
 613     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 614
 615     gst_buffer_replace(&sink->video_buffer, NULL);
 616 #if GST_CHECK_VERSION(1,0,0)
 617     g_clear_object(&sink->video_buffer_pool);
 618 #endif
 619     gst_vaapi_window_replace(&sink->window, NULL);
 620
 621     gst_vaapi_plugin_base_close(GST_VAAPI_PLUGIN_BASE(sink));
 622     return TRUE;
 623 }
 624
 625 static GstCaps *
 626 gst_vaapisink_get_caps_impl(GstBaseSink *base_sink)
 627 {
 628     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 629     GstCaps *out_caps, *yuv_caps;
 630
 631 #if GST_CHECK_VERSION(1,1,0)
 632     out_caps = gst_static_pad_template_get_caps(&gst_vaapisink_sink_factory);
 633 #else
 634     out_caps = gst_caps_from_string(GST_VAAPI_SURFACE_CAPS);
 635 #endif
 636     if (!out_caps)
 637         return NULL;
 638
 639     if (gst_vaapisink_ensure_uploader(sink)) {
 640         yuv_caps = GST_VAAPI_PLUGIN_BASE_UPLOADER_CAPS(sink);
 641         if (yuv_caps) {
 642             out_caps = gst_caps_make_writable(out_caps);
 643             gst_caps_append(out_caps, gst_caps_copy(yuv_caps));
 644         }
 645     }
 646     return out_caps;
 647 }
 648
 649 #if GST_CHECK_VERSION(1,0,0)
 650 static inline GstCaps *
 651 gst_vaapisink_get_caps(GstBaseSink *base_sink, GstCaps *filter)
 652 {
 653     GstCaps *caps, *out_caps;
 654
 655     caps = gst_vaapisink_get_caps_impl(base_sink);
 656     if (caps && filter) {
 657         out_caps = gst_caps_intersect_full(caps, filter,
 658             GST_CAPS_INTERSECT_FIRST);
 659         gst_caps_unref(caps);
 660     }
 661     else
 662         out_caps = caps;
 663     return out_caps;
 664 }
 665 #else
 666 #define gst_vaapisink_get_caps gst_vaapisink_get_caps_impl
 667 #endif
 668
 669 static gboolean
 670 gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
 671 {
 672     GstVaapiPluginBase * const plugin = GST_VAAPI_PLUGIN_BASE(base_sink);
 673     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 674     GstVideoInfo * const vip = GST_VAAPI_PLUGIN_BASE_SINK_PAD_INFO(sink);
 675     GstVaapiDisplay *display;
 676     guint win_width, win_height;
 677
 678     if (!gst_vaapisink_ensure_display(sink))
 679         return FALSE;
 680     display = GST_VAAPI_PLUGIN_BASE_DISPLAY(sink);
 681
 682 #if USE_DRM
 683     if (GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink) == GST_VAAPI_DISPLAY_TYPE_DRM)
 684         return TRUE;
 685 #endif
 686
 687     if (!gst_vaapi_plugin_base_set_caps(plugin, caps, NULL))
 688         return FALSE;
 689
 690     sink->video_width   = GST_VIDEO_INFO_WIDTH(vip);
 691     sink->video_height  = GST_VIDEO_INFO_HEIGHT(vip);
 692     sink->video_par_n   = GST_VIDEO_INFO_PAR_N(vip);
 693     sink->video_par_d   = GST_VIDEO_INFO_PAR_D(vip);
 694     GST_DEBUG("video pixel-aspect-ratio %d/%d",
 695               sink->video_par_n, sink->video_par_d);
 696
 697     gst_caps_replace(&sink->caps, caps);
 698
 699     gst_vaapisink_ensure_rotation(sink, FALSE);
 700
 701     gst_vaapisink_ensure_window_size(sink, &win_width, &win_height);
 702     if (sink->window) {
 703         if (!sink->foreign_window || sink->fullscreen)
 704             gst_vaapi_window_set_size(sink->window, win_width, win_height);
 705     }
 706     else {
 707         gst_vaapi_display_lock(display);
 708         gst_video_overlay_prepare_window_handle(GST_VIDEO_OVERLAY(sink));
 709         gst_vaapi_display_unlock(display);
 710         if (sink->window)
 711             return TRUE;
 712         if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
 713             return FALSE;
 714         gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
 715         gst_vaapi_window_show(sink->window);
 716         gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
 717     }
 718     sink->window_width  = win_width;
 719     sink->window_height = win_height;
 720     GST_DEBUG("window size %ux%u", win_width, win_height);
 721
 722     return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
 723 }
 724
 725 #if USE_GLX
 726 static void
 727 render_background(GstVaapiSink *sink)
 728 {
 729     /* Original code from Mirco Muller (MacSlow):
 730        <http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
 731     GLfloat fStartX = 0.0f;
 732     GLfloat fStartY = 0.0f;
 733     GLfloat fWidth  = (GLfloat)sink->window_width;
 734     GLfloat fHeight = (GLfloat)sink->window_height;
 735
 736     glClear(GL_COLOR_BUFFER_BIT);
 737     glBegin(GL_QUADS);
 738     {
 739         /* top third, darker grey to white */
 740         glColor3f(0.85f, 0.85f, 0.85f);
 741         glVertex3f(fStartX, fStartY, 0.0f);
 742         glColor3f(0.85f, 0.85f, 0.85f);
 743         glVertex3f(fStartX + fWidth, fStartY, 0.0f);
 744         glColor3f(1.0f, 1.0f, 1.0f);
 745         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 746         glColor3f(1.0f, 1.0f, 1.0f);
 747         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 748
 749         /* middle third, just plain white */
 750         glColor3f(1.0f, 1.0f, 1.0f);
 751         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 752         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 753         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 754         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 755
 756         /* bottom third, white to lighter grey */
 757         glColor3f(1.0f, 1.0f, 1.0f);
 758         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 759         glColor3f(1.0f, 1.0f, 1.0f);
 760         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 761         glColor3f(0.62f, 0.66f, 0.69f);
 762         glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
 763         glColor3f(0.62f, 0.66f, 0.69f);
 764         glVertex3f(fStartX, fStartY + fHeight, 0.0f);
 765     }
 766     glEnd();
 767 }
 768
 769 static void
 770 render_frame(GstVaapiSink *sink, GstVaapiSurface *surface,
 771     const GstVaapiRectangle *surface_rect)
 772 {
 773     const guint x1 = sink->display_rect.x;
 774     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 775     const guint y1 = sink->display_rect.y;
 776     const guint y2 = sink->display_rect.y + sink->display_rect.height;
 777     gfloat tx1, tx2, ty1, ty2;
 778     guint width, height;
 779
 780     if (surface_rect) {
 781         gst_vaapi_surface_get_size(surface, &width, &height);
 782         tx1 = (gfloat)surface_rect->x / width;
 783         ty1 = (gfloat)surface_rect->y / height;
 784         tx2 = (gfloat)(surface_rect->x + surface_rect->width) / width;
 785         ty2 = (gfloat)(surface_rect->y + surface_rect->height) / height;
 786     }
 787     else {
 788         tx1 = 0.0f;
 789         ty1 = 0.0f;
 790         tx2 = 1.0f;
 791         ty2 = 1.0f;
 792     }
 793
 794     glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 795     glBegin(GL_QUADS);
 796     {
 797         glTexCoord2f(tx1, ty1); glVertex2i(x1, y1);
 798         glTexCoord2f(tx1, ty2); glVertex2i(x1, y2);
 799         glTexCoord2f(tx2, ty2); glVertex2i(x2, y2);
 800         glTexCoord2f(tx2, ty1); glVertex2i(x2, y1);
 801     }
 802     glEnd();
 803 }
 804
 805 static void
 806 render_reflection(GstVaapiSink *sink)
 807 {
 808     const guint x1 = sink->display_rect.x;
 809     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 810     const guint y1 = sink->display_rect.y;
 811     const guint rh = sink->display_rect.height / 5;
 812     GLfloat     ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
 813
 814     glBegin(GL_QUADS);
 815     {
 816         glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 817         glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
 818         glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
 819
 820         glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
 821         glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
 822         glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
 823     }
 824     glEnd();
 825 }
 826
 827 static gboolean
 828 gst_vaapisink_ensure_texture(GstVaapiSink *sink, GstVaapiSurface *surface)
 829 {
 830     GstVaapiDisplay * display = GST_VAAPI_PLUGIN_BASE_DISPLAY(sink);
 831     GstVideoRectangle tex_rect, dis_rect, out_rect;
 832     guint width, height;
 833
 834     if (sink->texture)
 835         return TRUE;
 836
 837     gst_vaapi_surface_get_size(surface, &width, &height);
 838     tex_rect.x = 0;
 839     tex_rect.y = 0;
 840     tex_rect.w = width;
 841     tex_rect.h = height;
 842
 843     gst_vaapi_display_get_size(display, &width, &height);
 844     dis_rect.x = 0;
 845     dis_rect.y = 0;
 846     dis_rect.w = width;
 847     dis_rect.h = height;
 848
 849     gst_video_sink_center_rect(tex_rect, dis_rect, &out_rect, TRUE);
 850
 851     /* XXX: use surface size for now since some VA drivers have issues
 852        with downscaling to the provided texture size. i.e. we should be
 853        using the resulting out_rect size, which preserves the aspect
 854        ratio of the surface */
 855     width = tex_rect.w;
 856     height = tex_rect.h;
 857     GST_INFO("texture size %ux%u", width, height);
 858
 859     sink->texture = gst_vaapi_texture_new(display,
 860         GL_TEXTURE_2D, GL_BGRA, width, height);
 861     return sink->texture != NULL;
 862 }
 863
 864 static gboolean
 865 gst_vaapisink_show_frame_glx(
 866     GstVaapiSink               *sink,
 867     GstVaapiSurface            *surface,
 868     const GstVaapiRectangle    *surface_rect,
 869     guint                       flags
 870 )
 871 {
 872     GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
 873     GLenum target;
 874     GLuint texture;
 875
 876     gst_vaapi_window_glx_make_current(window);
 877     if (!gst_vaapisink_ensure_texture(sink, surface))
 878         goto error_create_texture;
 879     if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
 880         goto error_transfer_surface;
 881
 882     target  = gst_vaapi_texture_get_target(sink->texture);
 883     texture = gst_vaapi_texture_get_id(sink->texture);
 884     if (target != GL_TEXTURE_2D || !texture)
 885         return FALSE;
 886
 887     if (sink->use_reflection)
 888         render_background(sink);
 889
 890     glEnable(target);
 891     glBindTexture(target, texture);
 892     {
 893         if (sink->use_reflection) {
 894             glPushMatrix();
 895             glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
 896             glTranslatef(50.0f, 0.0f, 0.0f);
 897         }
 898         render_frame(sink, surface, surface_rect);
 899         if (sink->use_reflection) {
 900             glPushMatrix();
 901             glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
 902             render_reflection(sink);
 903             glPopMatrix();
 904             glPopMatrix();
 905         }
 906     }
 907     glBindTexture(target, 0);
 908     glDisable(target);
 909     gst_vaapi_window_glx_swap_buffers(window);
 910     return TRUE;
 911
 912     /* ERRORS */
 913 error_create_texture:
 914     {
 915         GST_DEBUG("could not create VA/GLX texture");
 916         return FALSE;
 917     }
 918 error_transfer_surface:
 919     {
 920         GST_DEBUG("could not transfer VA surface to texture");
 921         return FALSE;
 922     }
 923 }
 924 #endif
 925
 926 static inline gboolean
 927 gst_vaapisink_put_surface(
 928     GstVaapiSink               *sink,
 929     GstVaapiSurface            *surface,
 930     const GstVaapiRectangle    *surface_rect,
 931     guint                       flags
 932 )
 933 {
 934     if (!gst_vaapi_window_put_surface(sink->window, surface,
 935                 surface_rect, &sink->display_rect, flags)) {
 936         GST_DEBUG("could not render VA surface");
 937         return FALSE;
 938     }
 939     return TRUE;
 940 }
 941
 942 static GstFlowReturn
 943 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *src_buffer)
 944 {
 945     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 946     GstVaapiVideoMeta *meta;
 947     GstVaapiSurface *surface;
 948     GstBuffer *buffer;
 949     guint flags;
 950     gboolean success;
 951     GstVaapiRectangle *surface_rect = NULL;
 952 #if GST_CHECK_VERSION(1,0,0)
 953     GstVaapiRectangle tmp_rect;
 954 #endif
 955     GstFlowReturn ret;
 956
 957 #if GST_CHECK_VERSION(1,0,0)
 958     GstVideoCropMeta * const crop_meta =
 959         gst_buffer_get_video_crop_meta(src_buffer);
 960     if (crop_meta) {
 961         surface_rect = &tmp_rect;
 962         surface_rect->x = crop_meta->x;
 963         surface_rect->y = crop_meta->y;
 964         surface_rect->width = crop_meta->width;
 965         surface_rect->height = crop_meta->height;
 966     }
 967 #endif
 968
 969     ret = gst_vaapi_plugin_base_get_input_buffer(GST_VAAPI_PLUGIN_BASE(sink),
 970         src_buffer, &buffer);
 971     if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_SUPPORTED)
 972         return ret;
 973
 974     meta = gst_buffer_get_vaapi_video_meta(buffer);
 975     GST_VAAPI_PLUGIN_BASE_DISPLAY_REPLACE(sink,
 976         gst_vaapi_video_meta_get_display(meta));
 977
 978     if (!sink->window)
 979         goto error;
 980
 981     gst_vaapisink_ensure_rotation(sink, TRUE);
 982
 983     surface = gst_vaapi_video_meta_get_surface(meta);
 984     if (!surface)
 985         goto error;
 986
 987     GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
 988               GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
 989
 990     if (!surface_rect)
 991         surface_rect = (GstVaapiRectangle *)
 992             gst_vaapi_video_meta_get_render_rect(meta);
 993
 994     if (surface_rect)
 995         GST_DEBUG("render rect (%d,%d), size %ux%u",
 996                   surface_rect->x, surface_rect->y,
 997                   surface_rect->width, surface_rect->height);
 998
 999     flags = gst_vaapi_video_meta_get_render_flags(meta);
1000
1001     if (!gst_vaapi_apply_composition(surface, src_buffer))
1002         GST_WARNING("could not update subtitles");
1003
1004     switch (GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink)) {
1005 #if USE_DRM
1006     case GST_VAAPI_DISPLAY_TYPE_DRM:
1007         success = TRUE;
1008         break;
1009 #endif
1010 #if USE_GLX
1011     case GST_VAAPI_DISPLAY_TYPE_GLX:
1012         if (!sink->use_glx)
1013             goto put_surface_x11;
1014         success = gst_vaapisink_show_frame_glx(sink, surface, surface_rect,
1015             flags);
1016         break;
1017 #endif
1018 #if USE_X11
1019     case GST_VAAPI_DISPLAY_TYPE_X11:
1020     put_surface_x11:
1021         success = gst_vaapisink_put_surface(sink, surface, surface_rect, flags);
1022         break;
1023 #endif
1024 #if USE_WAYLAND
1025     case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
1026         success = gst_vaapisink_put_surface(sink, surface, surface_rect, flags);
1027         break;
1028 #endif
1029     default:
1030         GST_ERROR("unsupported display type %d",
1031                   GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink));
1032         success = FALSE;
1033         break;
1034     }
1035     if (!success)
1036         goto error;
1037
1038     /* Retain VA surface until the next one is displayed */
1039     if (sink->use_overlay)
1040         gst_buffer_replace(&sink->video_buffer, buffer);
1041     gst_buffer_unref(buffer);
1042     return GST_FLOW_OK;
1043
1044 error:
1045     gst_buffer_unref(buffer);
1046     return GST_FLOW_EOS;
1047 }
1048
1049 #if GST_CHECK_VERSION(1,0,0)
1050 static gboolean
1051 gst_vaapisink_propose_allocation(GstBaseSink *base_sink, GstQuery *query)
1052 {
1053     GstVaapiPluginBase * const plugin = GST_VAAPI_PLUGIN_BASE(base_sink);
1054
1055     if (!gst_vaapi_plugin_base_propose_allocation(plugin, query))
1056         return FALSE;
1057
1058     gst_query_add_allocation_meta(query, GST_VIDEO_CROP_META_API_TYPE, NULL);
1059     gst_query_add_allocation_meta(query,
1060         GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
1061     return TRUE;
1062 }
1063 #else
1064 static GstFlowReturn
1065 gst_vaapisink_buffer_alloc(GstBaseSink *base_sink, guint64 offset, guint size,
1066     GstCaps *caps, GstBuffer **outbuf_ptr)
1067 {
1068     return gst_vaapi_plugin_base_allocate_input_buffer(
1069         GST_VAAPI_PLUGIN_BASE(base_sink), caps, outbuf_ptr);
1070 }
1071 #endif
1072
1073 static gboolean
1074 gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
1075 {
1076     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
1077
1078     GST_INFO_OBJECT(sink, "query type %s", GST_QUERY_TYPE_NAME(query));
1079
1080     if (gst_vaapi_reply_to_query(query, GST_VAAPI_PLUGIN_BASE_DISPLAY(sink))) {
1081         GST_DEBUG("sharing display %p", GST_VAAPI_PLUGIN_BASE_DISPLAY(sink));
1082         return TRUE;
1083     }
1084
1085     return GST_BASE_SINK_CLASS(gst_vaapisink_parent_class)->query(base_sink,
1086         query);
1087 }
1088
1089 static void
1090 gst_vaapisink_finalize(GObject *object)
1091 {
1092     gst_vaapisink_destroy(GST_VAAPISINK(object));
1093
1094     gst_vaapi_plugin_base_finalize(GST_VAAPI_PLUGIN_BASE(object));
1095     G_OBJECT_CLASS(gst_vaapisink_parent_class)->finalize(object);
1096 }
1097
1098 static void
1099 gst_vaapisink_set_property(
1100     GObject      *object,
1101     guint         prop_id,
1102     const GValue *value,
1103     GParamSpec   *pspec
1104 )
1105 {
1106     GstVaapiSink * const sink = GST_VAAPISINK(object);
1107
1108     switch (prop_id) {
1109     case PROP_DISPLAY_TYPE:
1110         gst_vaapi_plugin_base_set_display_type(GST_VAAPI_PLUGIN_BASE(sink),
1111             g_value_get_enum(value));
1112         break;
1113     case PROP_FULLSCREEN:
1114         sink->fullscreen = g_value_get_boolean(value);
1115         break;
1116     case PROP_SYNCHRONOUS:
1117         sink->synchronous = g_value_get_boolean(value);
1118         break;
1119     case PROP_USE_GLX:
1120         sink->use_glx = g_value_get_boolean(value);
1121         break;
1122     case PROP_USE_REFLECTION:
1123         sink->use_reflection = g_value_get_boolean(value);
1124         break;
1125     case PROP_ROTATION:
1126         sink->rotation_req = g_value_get_enum(value);
1127         break;
1128     case PROP_FORCE_ASPECT_RATIO:
1129         sink->keep_aspect = g_value_get_boolean(value);
1130         break;
1131     default:
1132         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1133         break;
1134     }
1135 }
1136
1137 static void
1138 gst_vaapisink_get_property(
1139     GObject    *object,
1140     guint       prop_id,
1141     GValue     *value,
1142     GParamSpec *pspec
1143 )
1144 {
1145     GstVaapiSink * const sink = GST_VAAPISINK(object);
1146
1147     switch (prop_id) {
1148     case PROP_DISPLAY_TYPE:
1149         g_value_set_enum(value, GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(sink));
1150         break;
1151     case PROP_FULLSCREEN:
1152         g_value_set_boolean(value, sink->fullscreen);
1153         break;
1154     case PROP_SYNCHRONOUS:
1155         g_value_set_boolean(value, sink->synchronous);
1156         break;
1157     case PROP_USE_GLX:
1158         g_value_set_boolean(value, sink->use_glx);
1159         break;
1160     case PROP_USE_REFLECTION:
1161         g_value_set_boolean(value, sink->use_reflection);
1162         break;
1163     case PROP_ROTATION:
1164         g_value_set_enum(value, sink->rotation);
1165         break;
1166     case PROP_FORCE_ASPECT_RATIO:
1167         g_value_set_boolean(value, sink->keep_aspect);
1168         break;
1169     default:
1170         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
1171         break;
1172     }
1173 }
1174
1175 static void
1176 gst_vaapisink_class_init(GstVaapiSinkClass *klass)
1177 {
1178     GObjectClass * const     object_class   = G_OBJECT_CLASS(klass);
1179     GstElementClass * const  element_class  = GST_ELEMENT_CLASS(klass);
1180     GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
1181     GstVaapiPluginBaseClass * const base_plugin_class =
1182         GST_VAAPI_PLUGIN_BASE_CLASS(klass);
1183     GstPadTemplate *pad_template;
1184
1185     GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
1186                             GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
1187
1188     gst_vaapi_plugin_base_class_init(base_plugin_class);
1189     base_plugin_class->has_interface    = gst_vaapisink_has_interface;
1190     base_plugin_class->display_changed  = gst_vaapisink_display_changed;
1191
1192     object_class->finalize       = gst_vaapisink_finalize;
1193     object_class->set_property   = gst_vaapisink_set_property;
1194     object_class->get_property   = gst_vaapisink_get_property;
1195
1196     basesink_class->start        = gst_vaapisink_start;
1197     basesink_class->stop         = gst_vaapisink_stop;
1198     basesink_class->get_caps     = gst_vaapisink_get_caps;
1199     basesink_class->set_caps     = gst_vaapisink_set_caps;
1200     basesink_class->preroll      = gst_vaapisink_show_frame;
1201     basesink_class->render       = gst_vaapisink_show_frame;
1202     basesink_class->query        = gst_vaapisink_query;
1203 #if GST_CHECK_VERSION(1,0,0)
1204     basesink_class->propose_allocation = gst_vaapisink_propose_allocation;
1205 #else
1206     basesink_class->buffer_alloc = gst_vaapisink_buffer_alloc;
1207 #endif
1208
1209     gst_element_class_set_static_metadata(element_class,
1210         "VA-API sink",
1211         "Sink/Video",
1212         GST_PLUGIN_DESC,
1213         "Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
1214
1215     pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
1216     gst_element_class_add_pad_template(element_class, pad_template);
1217
1218     g_object_class_install_property
1219         (object_class,
1220          PROP_DISPLAY_TYPE,
1221          g_param_spec_enum("display",
1222                            "display type",
1223                            "display type to use",
1224                            GST_VAAPI_TYPE_DISPLAY_TYPE,
1225                            GST_VAAPI_DISPLAY_TYPE_ANY,
1226                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1227
1228 #if USE_GLX
1229     g_object_class_install_property
1230         (object_class,
1231          PROP_USE_GLX,
1232          g_param_spec_boolean("use-glx",
1233                               "OpenGL rendering",
1234                               "Enables OpenGL rendering",
1235                               FALSE,
1236                               G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1237
1238     g_object_class_install_property
1239         (object_class,
1240          PROP_USE_REFLECTION,
1241          g_param_spec_boolean("use-reflection",
1242                               "Reflection effect",
1243                               "Enables OpenGL reflection effect",
1244                               FALSE,
1245                               G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1246 #endif
1247
1248     g_object_class_install_property
1249         (object_class,
1250          PROP_FULLSCREEN,
1251          g_param_spec_boolean("fullscreen",
1252                               "Fullscreen",
1253                               "Requests window in fullscreen state",
1254                               FALSE,
1255                               G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1256
1257     /**
1258      * GstVaapiSink:synchronous:
1259      *
1260      * When enabled, runs the X display in synchronous mode. Note that
1261      * this is used only for debugging.
1262      */
1263     g_object_class_install_property
1264         (object_class,
1265          PROP_SYNCHRONOUS,
1266          g_param_spec_boolean("synchronous",
1267                               "Synchronous mode",
1268                               "Toggles X display synchronous mode",
1269                               FALSE,
1270                               G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1271
1272     /**
1273      * GstVaapiSink:rotation:
1274      *
1275      * The VA display rotation mode, expressed as a #GstVaapiRotation.
1276      */
1277     g_object_class_install_property
1278         (object_class,
1279          PROP_ROTATION,
1280          g_param_spec_enum(GST_VAAPI_DISPLAY_PROP_ROTATION,
1281                            "rotation",
1282                            "The display rotation mode",
1283                            GST_VAAPI_TYPE_ROTATION,
1284                            DEFAULT_ROTATION,
1285                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1286
1287     /**
1288      * GstVaapiSink:force-aspect-ratio:
1289      *
1290      * When enabled, scaling respects video aspect ratio; when disabled, the
1291      * video is distorted to fit the window.
1292      */
1293     g_object_class_install_property
1294         (object_class,
1295          PROP_FORCE_ASPECT_RATIO,
1296          g_param_spec_boolean("force-aspect-ratio",
1297                               "Force aspect ratio",
1298                               "When enabled, scaling will respect original aspect ratio",
1299                               TRUE,
1300                               G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
1301 }
1302
1303 static void
1304 gst_vaapisink_init(GstVaapiSink *sink)
1305 {
1306     GstVaapiPluginBase * const plugin = GST_VAAPI_PLUGIN_BASE(sink);
1307
1308     gst_vaapi_plugin_base_init(plugin, GST_CAT_DEFAULT);
1309     gst_vaapi_plugin_base_set_display_type(plugin, DEFAULT_DISPLAY_TYPE);
1310
1311     sink->caps           = NULL;
1312     sink->window         = NULL;
1313     sink->window_width   = 0;
1314     sink->window_height  = 0;
1315     sink->texture        = NULL;
1316     sink->video_buffer   = NULL;
1317     sink->video_width    = 0;
1318     sink->video_height   = 0;
1319     sink->video_par_n    = 1;
1320     sink->video_par_d    = 1;
1321     sink->foreign_window = FALSE;
1322     sink->fullscreen     = FALSE;
1323     sink->synchronous    = FALSE;
1324     sink->rotation       = DEFAULT_ROTATION;
1325     sink->rotation_req   = DEFAULT_ROTATION;
1326     sink->use_reflection = FALSE;
1327     sink->use_overlay    = FALSE;
1328     sink->use_rotation   = FALSE;
1329     sink->keep_aspect    = TRUE;
1330     gst_video_info_init(&sink->video_info);
1331 }