gst/vaapi/gstvaapisink.c

   1 /*
   2  *  gstvaapisink.c - VA-API video sink
   3  *
   4  *  Copyright (C) 2010-2011 Splitted-Desktop Systems
   5  *  Copyright (C) 2011-2012 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 "config.h"
  33 #include <gst/gst.h>
  34 #include <gst/video/video.h>
  35 #include <gst/video/videocontext.h>
  36 #include <gst/vaapi/gstvaapivideobuffer.h>
  37 #include <gst/vaapi/gstvaapivideosink.h>
  38 #include <gst/vaapi/gstvaapidisplay_x11.h>
  39 #include <gst/vaapi/gstvaapiwindow_x11.h>
  40 #if USE_VAAPISINK_GLX
  41 #include <gst/vaapi/gstvaapidisplay_glx.h>
  42 #include <gst/vaapi/gstvaapiwindow_glx.h>
  43 #endif
  44
  45 /* Supported interfaces */
  46 #include <gst/interfaces/xoverlay.h>
  47
  48 #include "gstvaapisink.h"
  49 #include "gstvaapipluginutil.h"
  50
  51 #define GST_PLUGIN_NAME "vaapisink"
  52 #define GST_PLUGIN_DESC "A VA-API based videosink"
  53
  54 GST_DEBUG_CATEGORY_STATIC(gst_debug_vaapisink);
  55 #define GST_CAT_DEFAULT gst_debug_vaapisink
  56
  57 /* ElementFactory information */
  58 static const GstElementDetails gst_vaapisink_details =
  59     GST_ELEMENT_DETAILS(
  60         "VA-API sink",
  61         "Sink/Video",
  62         GST_PLUGIN_DESC,
  63         "Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
  64
  65 /* Default template */
  66 static GstStaticPadTemplate gst_vaapisink_sink_factory =
  67     GST_STATIC_PAD_TEMPLATE(
  68         "sink",
  69         GST_PAD_SINK,
  70         GST_PAD_ALWAYS,
  71         GST_STATIC_CAPS(GST_VAAPI_SURFACE_CAPS));
  72
  73 static void
  74 gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface);
  75
  76 static void
  77 gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface);
  78
  79 static void
  80 gst_vaapisink_xoverlay_iface_init(GstXOverlayClass *iface);
  81
  82 G_DEFINE_TYPE_WITH_CODE(
  83     GstVaapiSink,
  84     gst_vaapisink,
  85     GST_TYPE_VIDEO_SINK,
  86     G_IMPLEMENT_INTERFACE(GST_TYPE_IMPLEMENTS_INTERFACE,
  87                           gst_vaapisink_implements_iface_init);
  88     G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_CONTEXT,
  89                           gst_vaapisink_video_context_iface_init);
  90     G_IMPLEMENT_INTERFACE(GST_TYPE_X_OVERLAY,
  91                           gst_vaapisink_xoverlay_iface_init));
  92
  93 enum {
  94     PROP_0,
  95
  96     PROP_USE_GLX,
  97     PROP_FULLSCREEN,
  98     PROP_SYNCHRONOUS,
  99     PROP_USE_REFLECTION
 100 };
 101
 102 /* GstImplementsInterface interface */
 103
 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_X_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
 120 /* GstVaapiVideoSink interface */
 121
 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 /* GstXOverlay interface */
 137
 138 static gboolean
 139 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id);
 140
 141 static GstFlowReturn
 142 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
 143
 144 static void
 145 gst_vaapisink_xoverlay_set_window_handle(GstXOverlay *overlay, guintptr window)
 146 {
 147     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 148
 149     /* Disable GLX rendering when vaapisink is using a foreign X
 150        window. It's pretty much useless */
 151     sink->use_glx = FALSE;
 152
 153     sink->foreign_window = TRUE;
 154     gst_vaapisink_ensure_window_xid(sink, window);
 155 }
 156
 157 static void
 158 gst_vaapisink_xoverlay_set_render_rectangle(
 159     GstXOverlay *overlay,
 160     gint         x,
 161     gint         y,
 162     gint         width,
 163     gint         height
 164 )
 165 {
 166     GstVaapiSink * const sink = GST_VAAPISINK(overlay);
 167     GstVaapiRectangle * const display_rect = &sink->display_rect;
 168
 169     display_rect->x      = x;
 170     display_rect->y      = y;
 171     display_rect->width  = width;
 172     display_rect->height = height;
 173
 174     GST_DEBUG("render rect (%d,%d):%ux%u",
 175               display_rect->x, display_rect->y,
 176               display_rect->width, display_rect->height);
 177 }
 178
 179 static void
 180 gst_vaapisink_xoverlay_expose(GstXOverlay *overlay)
 181 {
 182     GstBaseSink * const base_sink = GST_BASE_SINK(overlay);
 183     GstBuffer *buffer;
 184
 185     buffer = gst_base_sink_get_last_buffer(base_sink);
 186     if (buffer) {
 187         gst_vaapisink_show_frame(base_sink, buffer);
 188         gst_buffer_unref(buffer);
 189     }
 190 }
 191
 192 static void
 193 gst_vaapisink_xoverlay_iface_init(GstXOverlayClass *iface)
 194 {
 195     iface->set_window_handle    = gst_vaapisink_xoverlay_set_window_handle;
 196     iface->set_render_rectangle = gst_vaapisink_xoverlay_set_render_rectangle;
 197     iface->expose               = gst_vaapisink_xoverlay_expose;
 198 }
 199
 200 static void
 201 gst_vaapisink_destroy(GstVaapiSink *sink)
 202 {
 203     g_clear_object(&sink->texture);
 204     g_clear_object(&sink->display);
 205
 206     gst_caps_replace(&sink->caps, NULL);
 207 }
 208
 209 /* Checks whether a ConfigureNotify event is in the queue */
 210 typedef struct _ConfigureNotifyEventPendingArgs ConfigureNotifyEventPendingArgs;
 211 struct _ConfigureNotifyEventPendingArgs {
 212     Window      window;
 213     guint       width;
 214     guint       height;
 215     gboolean    match;
 216 };
 217
 218 static Bool
 219 configure_notify_event_pending_cb(Display *dpy, XEvent *xev, XPointer arg)
 220 {
 221     ConfigureNotifyEventPendingArgs * const args =
 222         (ConfigureNotifyEventPendingArgs *)arg;
 223
 224     if (xev->type == ConfigureNotify &&
 225         xev->xconfigure.window == args->window &&
 226         xev->xconfigure.width  == args->width  &&
 227         xev->xconfigure.height == args->height)
 228         args->match = TRUE;
 229
 230     /* XXX: this is a hack to traverse the whole queue because we
 231        can't use XPeekIfEvent() since it could block */
 232     return False;
 233 }
 234
 235 static gboolean
 236 configure_notify_event_pending(
 237     GstVaapiSink *sink,
 238     Window        window,
 239     guint         width,
 240     guint         height
 241 )
 242 {
 243     ConfigureNotifyEventPendingArgs args;
 244     XEvent xev;
 245
 246     args.window = window;
 247     args.width  = width;
 248     args.height = height;
 249     args.match  = FALSE;
 250
 251     /* XXX: don't use XPeekIfEvent() because it might block */
 252     XCheckIfEvent(
 253         gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
 254         &xev,
 255         configure_notify_event_pending_cb, (XPointer)&args
 256     );
 257     return args.match;
 258 }
 259
 260 static gboolean
 261 gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
 262 {
 263     GstVaapiRectangle * const display_rect = &sink->display_rect;
 264     guint num, den, display_par_n, display_par_d;
 265     gboolean success;
 266
 267     /* Return success if caps are not set yet */
 268     if (!sink->caps)
 269         return TRUE;
 270
 271     GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
 272
 273     gst_vaapi_display_get_pixel_aspect_ratio(
 274         sink->display,
 275         &display_par_n, &display_par_d
 276     );
 277     GST_DEBUG("display pixel-aspect-ratio %d/%d",
 278               display_par_n, display_par_d);
 279
 280     success = gst_video_calculate_display_ratio(
 281         &num, &den,
 282         sink->video_width, sink->video_height,
 283         sink->video_par_n, sink->video_par_d,
 284         display_par_n, display_par_d
 285     );
 286     if (!success)
 287         return FALSE;
 288     GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
 289               sink->video_width, sink->video_height, num, den);
 290
 291     display_rect->width = gst_util_uint64_scale_int(height, num, den);
 292     if (display_rect->width <= width) {
 293         GST_DEBUG("keeping window height");
 294         display_rect->height = height;
 295     }
 296     else {
 297         GST_DEBUG("keeping window width");
 298         display_rect->width  = width;
 299         display_rect->height =
 300             gst_util_uint64_scale_int(width, den, num);
 301     }
 302     GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
 303
 304     g_assert(display_rect->width  <= width);
 305     g_assert(display_rect->height <= height);
 306
 307     display_rect->x = (width  - display_rect->width)  / 2;
 308     display_rect->y = (height - display_rect->height) / 2;
 309
 310     GST_DEBUG("render rect (%d,%d):%ux%u",
 311               display_rect->x, display_rect->y,
 312               display_rect->width, display_rect->height);
 313     return TRUE;
 314 }
 315
 316 static inline gboolean
 317 gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
 318 {
 319     GstVaapiDisplay * const display = sink->display;
 320
 321     if (!sink->window) {
 322 #if USE_VAAPISINK_GLX
 323         if (sink->use_glx)
 324             sink->window = gst_vaapi_window_glx_new(display, width, height);
 325         else
 326 #endif
 327             sink->window = gst_vaapi_window_x11_new(display, width, height);
 328         if (sink->window)
 329             gst_x_overlay_got_window_handle(
 330                 GST_X_OVERLAY(sink),
 331                 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
 332             );
 333     }
 334     return sink->window != NULL;
 335 }
 336
 337 static gboolean
 338 gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id)
 339 {
 340     Window rootwin;
 341     unsigned int width, height, border_width, depth;
 342     int x, y;
 343     XID xid = window_id;
 344
 345     if (!gst_vaapi_ensure_display(sink, &sink->display))
 346         return FALSE;
 347
 348     gst_vaapi_display_lock(sink->display);
 349     XGetGeometry(
 350         gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
 351         xid,
 352         &rootwin,
 353         &x, &y, &width, &height, &border_width, &depth
 354     );
 355     gst_vaapi_display_unlock(sink->display);
 356
 357     if ((width != sink->window_width || height != sink->window_height) &&
 358         !configure_notify_event_pending(sink, xid, width, height)) {
 359         if (!gst_vaapisink_ensure_render_rect(sink, width, height))
 360             return FALSE;
 361         sink->window_width  = width;
 362         sink->window_height = height;
 363     }
 364
 365     if (sink->window &&
 366         gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window)) == xid)
 367         return TRUE;
 368
 369     g_clear_object(&sink->window);
 370
 371 #if USE_VAAPISINK_GLX
 372     if (sink->use_glx)
 373         sink->window = gst_vaapi_window_glx_new_with_xid(sink->display, xid);
 374     else
 375 #endif
 376         sink->window = gst_vaapi_window_x11_new_with_xid(sink->display, xid);
 377     return sink->window != NULL;
 378 }
 379
 380 static gboolean
 381 gst_vaapisink_start(GstBaseSink *base_sink)
 382 {
 383     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 384
 385     return gst_vaapi_ensure_display(sink, &sink->display);
 386 }
 387
 388 static gboolean
 389 gst_vaapisink_stop(GstBaseSink *base_sink)
 390 {
 391     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 392
 393     g_clear_object(&sink->window);
 394     g_clear_object(&sink->display);
 395
 396     return TRUE;
 397 }
 398
 399 static gboolean
 400 gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
 401 {
 402     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 403     GstStructure * const structure = gst_caps_get_structure(caps, 0);
 404     guint win_width, win_height, display_width, display_height;
 405     gint video_width, video_height, video_par_n = 1, video_par_d = 1;
 406
 407     if (!structure)
 408         return FALSE;
 409     if (!gst_structure_get_int(structure, "width",  &video_width))
 410         return FALSE;
 411     if (!gst_structure_get_int(structure, "height", &video_height))
 412         return FALSE;
 413     sink->video_width  = video_width;
 414     sink->video_height = video_height;
 415
 416     gst_video_parse_caps_pixel_aspect_ratio(caps, &video_par_n, &video_par_d);
 417     sink->video_par_n  = video_par_n;
 418     sink->video_par_d  = video_par_d;
 419     GST_DEBUG("video pixel-aspect-ratio %d/%d", video_par_n, video_par_d);
 420
 421     gst_caps_replace(&sink->caps, caps);
 422
 423     if (!gst_vaapi_ensure_display(sink, &sink->display))
 424         return FALSE;
 425
 426     gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
 427     if (sink->foreign_window) {
 428         win_width  = sink->window_width;
 429         win_height = sink->window_height;
 430     }
 431     else if (sink->fullscreen ||
 432              video_width > display_width || video_height > display_height) {
 433         win_width  = display_width;
 434         win_height = display_height;
 435     }
 436     else {
 437         win_width  = video_width;
 438         win_height = video_height;
 439     }
 440
 441     if (sink->window) {
 442         if (!sink->foreign_window || sink->fullscreen)
 443             gst_vaapi_window_set_size(sink->window, win_width, win_height);
 444     }
 445     else {
 446         gst_vaapi_display_lock(sink->display);
 447         gst_x_overlay_prepare_xwindow_id(GST_X_OVERLAY(sink));
 448         gst_vaapi_display_unlock(sink->display);
 449         if (sink->window)
 450             return TRUE;
 451         if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
 452             return FALSE;
 453         gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
 454         gst_vaapi_window_show(sink->window);
 455         gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
 456     }
 457     sink->window_width  = win_width;
 458     sink->window_height = win_height;
 459     GST_DEBUG("window size %ux%u", win_width, win_height);
 460
 461     return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
 462 }
 463
 464 #if USE_VAAPISINK_GLX
 465 static void
 466 render_background(GstVaapiSink *sink)
 467 {
 468     /* Original code from Mirco Muller (MacSlow):
 469        <http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
 470     GLfloat fStartX = 0.0f;
 471     GLfloat fStartY = 0.0f;
 472     GLfloat fWidth  = (GLfloat)sink->window_width;
 473     GLfloat fHeight = (GLfloat)sink->window_height;
 474
 475     glClear(GL_COLOR_BUFFER_BIT);
 476     glBegin(GL_QUADS);
 477     {
 478         /* top third, darker grey to white */
 479         glColor3f(0.85f, 0.85f, 0.85f);
 480         glVertex3f(fStartX, fStartY, 0.0f);
 481         glColor3f(0.85f, 0.85f, 0.85f);
 482         glVertex3f(fStartX + fWidth, fStartY, 0.0f);
 483         glColor3f(1.0f, 1.0f, 1.0f);
 484         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 485         glColor3f(1.0f, 1.0f, 1.0f);
 486         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 487
 488         /* middle third, just plain white */
 489         glColor3f(1.0f, 1.0f, 1.0f);
 490         glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
 491         glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
 492         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 493         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 494
 495         /* bottom third, white to lighter grey */
 496         glColor3f(1.0f, 1.0f, 1.0f);
 497         glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 498         glColor3f(1.0f, 1.0f, 1.0f);
 499         glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
 500         glColor3f(0.62f, 0.66f, 0.69f);
 501         glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
 502         glColor3f(0.62f, 0.66f, 0.69f);
 503         glVertex3f(fStartX, fStartY + fHeight, 0.0f);
 504     }
 505     glEnd();
 506 }
 507
 508 static void
 509 render_frame(GstVaapiSink *sink)
 510 {
 511     const guint x1 = sink->display_rect.x;
 512     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 513     const guint y1 = sink->display_rect.y;
 514     const guint y2 = sink->display_rect.y + sink->display_rect.height;
 515
 516     glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 517     glBegin(GL_QUADS);
 518     {
 519         glTexCoord2f(0.0f, 0.0f); glVertex2i(x1, y1);
 520         glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y2);
 521         glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y2);
 522         glTexCoord2f(1.0f, 0.0f); glVertex2i(x2, y1);
 523     }
 524     glEnd();
 525 }
 526
 527 static void
 528 render_reflection(GstVaapiSink *sink)
 529 {
 530     const guint x1 = sink->display_rect.x;
 531     const guint x2 = sink->display_rect.x + sink->display_rect.width;
 532     const guint y1 = sink->display_rect.y;
 533     const guint rh = sink->display_rect.height / 5;
 534     GLfloat     ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
 535
 536     glBegin(GL_QUADS);
 537     {
 538         glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 539         glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
 540         glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
 541
 542         glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
 543         glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
 544         glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
 545     }
 546     glEnd();
 547 }
 548
 549 static gboolean
 550 gst_vaapisink_show_frame_glx(
 551     GstVaapiSink    *sink,
 552     GstVaapiSurface *surface,
 553     guint            flags
 554 )
 555 {
 556     GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
 557     GLenum target;
 558     GLuint texture;
 559
 560     gst_vaapi_window_glx_make_current(window);
 561     if (!sink->texture) {
 562         sink->texture = gst_vaapi_texture_new(
 563             sink->display,
 564             GL_TEXTURE_2D,
 565             GL_BGRA,
 566             sink->video_width,
 567             sink->video_height
 568         );
 569         if (!sink->texture)
 570             goto error_create_texture;
 571     }
 572     if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
 573         goto error_transfer_surface;
 574
 575     target  = gst_vaapi_texture_get_target(sink->texture);
 576     texture = gst_vaapi_texture_get_id(sink->texture);
 577     if (target != GL_TEXTURE_2D || !texture)
 578         return FALSE;
 579
 580     if (sink->use_reflection)
 581         render_background(sink);
 582
 583     glEnable(target);
 584     glBindTexture(target, texture);
 585     {
 586         if (sink->use_reflection) {
 587             glPushMatrix();
 588             glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
 589             glTranslatef(50.0f, 0.0f, 0.0f);
 590         }
 591         render_frame(sink);
 592         if (sink->use_reflection) {
 593             glPushMatrix();
 594             glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
 595             render_reflection(sink);
 596             glPopMatrix();
 597             glPopMatrix();
 598         }
 599     }
 600     glBindTexture(target, 0);
 601     glDisable(target);
 602     gst_vaapi_window_glx_swap_buffers(window);
 603     return TRUE;
 604
 605     /* ERRORS */
 606 error_create_texture:
 607     {
 608         GST_DEBUG("could not create VA/GLX texture");
 609         return FALSE;
 610     }
 611 error_transfer_surface:
 612     {
 613         GST_DEBUG("could not transfer VA surface to texture");
 614         return FALSE;
 615     }
 616 }
 617 #endif
 618
 619 static inline gboolean
 620 gst_vaapisink_show_frame_x11(
 621     GstVaapiSink    *sink,
 622     GstVaapiSurface *surface,
 623     guint            flags
 624 )
 625 {
 626     if (!gst_vaapi_window_put_surface(sink->window, surface,
 627                 NULL, &sink->display_rect, flags)) {
 628         GST_DEBUG("could not render VA surface");
 629         return FALSE;
 630     }
 631     return TRUE;
 632 }
 633
 634 static GstFlowReturn
 635 gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer)
 636 {
 637     GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
 638     GstVaapiVideoBuffer * const vbuffer = GST_VAAPI_VIDEO_BUFFER(buffer);
 639     GstVaapiSurface *surface;
 640     guint flags;
 641     gboolean success;
 642     GstVideoOverlayComposition * const composition =
 643         gst_video_buffer_get_overlay_composition(buffer);
 644
 645     if (sink->display != gst_vaapi_video_buffer_get_display (vbuffer)) {
 646       g_clear_object(&sink->display);
 647       sink->display = g_object_ref (gst_vaapi_video_buffer_get_display (vbuffer));
 648     }
 649
 650     if (!sink->window)
 651         return GST_FLOW_UNEXPECTED;
 652
 653     surface = gst_vaapi_video_buffer_get_surface(vbuffer);
 654     if (!surface)
 655         return GST_FLOW_UNEXPECTED;
 656
 657     GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
 658               GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
 659
 660     flags = gst_vaapi_video_buffer_get_render_flags(vbuffer);
 661
 662     if (!gst_vaapi_surface_set_subpictures_from_composition(surface,
 663              composition, TRUE))
 664         GST_WARNING("could not update subtitles");
 665
 666 #if USE_VAAPISINK_GLX
 667     if (sink->use_glx)
 668         success = gst_vaapisink_show_frame_glx(sink, surface, flags);
 669     else
 670 #endif
 671         success = gst_vaapisink_show_frame_x11(sink, surface, flags);
 672     return success ? GST_FLOW_OK : GST_FLOW_UNEXPECTED;
 673 }
 674
 675 static gboolean
 676 gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
 677 {
 678     GstVaapiSink *sink = GST_VAAPISINK(base_sink);
 679     GST_DEBUG ("sharing display %p", sink->display);
 680     return gst_vaapi_reply_to_query (query, sink->display);
 681 }
 682
 683 static void
 684 gst_vaapisink_finalize(GObject *object)
 685 {
 686     gst_vaapisink_destroy(GST_VAAPISINK(object));
 687
 688     G_OBJECT_CLASS(gst_vaapisink_parent_class)->finalize(object);
 689 }
 690
 691 static void
 692 gst_vaapisink_set_property(
 693     GObject      *object,
 694     guint         prop_id,
 695     const GValue *value,
 696     GParamSpec   *pspec
 697 )
 698 {
 699     GstVaapiSink * const sink = GST_VAAPISINK(object);
 700
 701     switch (prop_id) {
 702     case PROP_USE_GLX:
 703         sink->use_glx = g_value_get_boolean(value);
 704         break;
 705     case PROP_FULLSCREEN:
 706         sink->fullscreen = g_value_get_boolean(value);
 707         break;
 708     case PROP_SYNCHRONOUS:
 709         sink->synchronous = g_value_get_boolean(value);
 710         break;
 711     case PROP_USE_REFLECTION:
 712         sink->use_reflection = g_value_get_boolean(value);
 713         break;
 714     default:
 715         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
 716         break;
 717     }
 718 }
 719
 720 static void
 721 gst_vaapisink_get_property(
 722     GObject    *object,
 723     guint       prop_id,
 724     GValue     *value,
 725     GParamSpec *pspec
 726 )
 727 {
 728     GstVaapiSink * const sink = GST_VAAPISINK(object);
 729
 730     switch (prop_id) {
 731     case PROP_USE_GLX:
 732         g_value_set_boolean(value, sink->use_glx);
 733         break;
 734     case PROP_FULLSCREEN:
 735         g_value_set_boolean(value, sink->fullscreen);
 736         break;
 737     case PROP_SYNCHRONOUS:
 738         g_value_set_boolean(value, sink->synchronous);
 739         break;
 740     case PROP_USE_REFLECTION:
 741         g_value_set_boolean(value, sink->use_reflection);
 742         break;
 743     default:
 744         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
 745         break;
 746     }
 747 }
 748
 749 static void
 750 gst_vaapisink_class_init(GstVaapiSinkClass *klass)
 751 {
 752     GObjectClass * const     object_class   = G_OBJECT_CLASS(klass);
 753     GstElementClass * const  element_class  = GST_ELEMENT_CLASS(klass);
 754     GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
 755     GstPadTemplate *pad_template;
 756
 757     GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
 758                             GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
 759
 760     object_class->finalize       = gst_vaapisink_finalize;
 761     object_class->set_property   = gst_vaapisink_set_property;
 762     object_class->get_property   = gst_vaapisink_get_property;
 763
 764     basesink_class->start        = gst_vaapisink_start;
 765     basesink_class->stop         = gst_vaapisink_stop;
 766     basesink_class->set_caps     = gst_vaapisink_set_caps;
 767     basesink_class->preroll      = gst_vaapisink_show_frame;
 768     basesink_class->render       = gst_vaapisink_show_frame;
 769     basesink_class->query        = gst_vaapisink_query;
 770
 771     gst_element_class_set_details_simple(
 772         element_class,
 773         gst_vaapisink_details.longname,
 774         gst_vaapisink_details.klass,
 775         gst_vaapisink_details.description,
 776         gst_vaapisink_details.author
 777     );
 778
 779     pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
 780     gst_element_class_add_pad_template(element_class, pad_template);
 781     gst_object_unref(pad_template);
 782
 783 #if USE_VAAPISINK_GLX
 784     g_object_class_install_property
 785         (object_class,
 786          PROP_USE_GLX,
 787          g_param_spec_boolean("use-glx",
 788                               "GLX rendering",
 789                               "Enables GLX rendering",
 790                               TRUE,
 791                               G_PARAM_READWRITE));
 792
 793     g_object_class_install_property
 794         (object_class,
 795          PROP_USE_REFLECTION,
 796          g_param_spec_boolean("use-reflection",
 797                               "Reflection effect",
 798                               "Enables OpenGL reflection effect",
 799                               FALSE,
 800                               G_PARAM_READWRITE));
 801 #endif
 802
 803     g_object_class_install_property
 804         (object_class,
 805          PROP_FULLSCREEN,
 806          g_param_spec_boolean("fullscreen",
 807                               "Fullscreen",
 808                               "Requests window in fullscreen state",
 809                               FALSE,
 810                               G_PARAM_READWRITE));
 811
 812     /**
 813      * GstVaapiSink:synchronous:
 814      *
 815      * When enabled, runs the X display in synchronous mode. Note that
 816      * this is used only for debugging.
 817      */
 818     g_object_class_install_property
 819         (object_class,
 820          PROP_SYNCHRONOUS,
 821          g_param_spec_boolean("synchronous",
 822                               "Synchronous mode",
 823                               "Toggles X display synchronous mode",
 824                               FALSE,
 825                               G_PARAM_READWRITE));
 826 }
 827
 828 static void
 829 gst_vaapisink_init(GstVaapiSink *sink)
 830 {
 831     sink->caps           = NULL;
 832     sink->display        = NULL;
 833     sink->window         = NULL;
 834     sink->window_width   = 0;
 835     sink->window_height  = 0;
 836     sink->texture        = NULL;
 837     sink->video_width    = 0;
 838     sink->video_height   = 0;
 839     sink->video_par_n    = 1;
 840     sink->video_par_d    = 1;
 841     sink->foreign_window = FALSE;
 842     sink->fullscreen     = FALSE;
 843     sink->synchronous    = FALSE;
 844     sink->use_glx        = USE_VAAPISINK_GLX;
 845     sink->use_reflection = FALSE;
 846 }