This file is indexed.

/usr/share/doc/gstreamer0.10-vaapi/libs/GstVaapiDisplay.html is in gstreamer0.10-vaapi-doc 0.3.6-0ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GstVaapiDisplay</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
<link rel="home" href="index.html" title="GStreamer VA-API Plugins 0.10 Library Reference Manual">
<link rel="up" href="ch01.html" title="gst-plugins-vaapi Library">
<link rel="prev" href="libs-gstvaapiparamspecs.html" title="gstvaapiparamspecs">
<link rel="next" href="GstVaapiDisplayX11.html" title="GstVaapiDisplayX11">
<meta name="generator" content="GTK-Doc V1.18 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
<tr valign="middle">
<td><a accesskey="p" href="libs-gstvaapiparamspecs.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
<th width="100%" align="center">GStreamer VA-API Plugins 0.10 Library Reference Manual</th>
<td><a accesskey="n" href="GstVaapiDisplayX11.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#GstVaapiDisplay.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#GstVaapiDisplay.description" class="shortcut">Description</a>
                   | 
                  <a href="#GstVaapiDisplay.object-hierarchy" class="shortcut">Object Hierarchy</a>
                   | 
                  <a href="#GstVaapiDisplay.properties" class="shortcut">Properties</a>
</td></tr>
</table>
<div class="refentry">
<a name="GstVaapiDisplay"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GstVaapiDisplay.top_of_page"></a>GstVaapiDisplay</span></h2>
<p>GstVaapiDisplay — VA display abstraction</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GstVaapiDisplay.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct              <a class="link" href="GstVaapiDisplay.html#GstVaapiDisplay-struct" title="struct GstVaapiDisplay">GstVaapiDisplay</a>;
struct              <a class="link" href="GstVaapiDisplay.html#GstVaapiDisplayClass" title="struct GstVaapiDisplayClass">GstVaapiDisplayClass</a>;
<a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="returnvalue">GstVaapiDisplay</span></a> *   <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-new-with-display" title="gst_vaapi_display_new_with_display ()">gst_vaapi_display_new_with_display</a>  (<em class="parameter"><code><span class="type">VADisplay</span> va_display</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-lock" title="gst_vaapi_display_lock ()">gst_vaapi_display_lock</a>              (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-unlock" title="gst_vaapi_display_unlock ()">gst_vaapi_display_unlock</a>            (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-sync" title="gst_vaapi_display_sync ()">gst_vaapi_display_sync</a>              (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-flush" title="gst_vaapi_display_flush ()">gst_vaapi_display_flush</a>             (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">VADisplay</span>           <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-display" title="gst_vaapi_display_get_display ()">gst_vaapi_display_get_display</a>       (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">guint</span>               <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-width" title="gst_vaapi_display_get_width ()">gst_vaapi_display_get_width</a>         (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">guint</span>               <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-height" title="gst_vaapi_display_get_height ()">gst_vaapi_display_get_height</a>        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-size" title="gst_vaapi_display_get_size ()">gst_vaapi_display_get_size</a>          (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *pwidth</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *pheight</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-pixel-aspect-ratio" title="gst_vaapi_display_get_pixel_aspect_ratio ()">gst_vaapi_display_get_pixel_aspect_ratio</a>
                                                        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *par_d</code></em>);
<span class="returnvalue">GstCaps</span> *           <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-decode-caps" title="gst_vaapi_display_get_decode_caps ()">gst_vaapi_display_get_decode_caps</a>   (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">gboolean</span>            <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-has-decoder" title="gst_vaapi_display_has_decoder ()">gst_vaapi_display_has_decoder</a>       (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiProfile" title="enum GstVaapiProfile"><span class="type">GstVaapiProfile</span></a> profile</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiEntrypoint" title="enum GstVaapiEntrypoint"><span class="type">GstVaapiEntrypoint</span></a> entrypoint</code></em>);
<span class="returnvalue">GstCaps</span> *           <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-encode-caps" title="gst_vaapi_display_get_encode_caps ()">gst_vaapi_display_get_encode_caps</a>   (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">gboolean</span>            <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-has-encoder" title="gst_vaapi_display_has_encoder ()">gst_vaapi_display_has_encoder</a>       (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiProfile" title="enum GstVaapiProfile"><span class="type">GstVaapiProfile</span></a> profile</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiEntrypoint" title="enum GstVaapiEntrypoint"><span class="type">GstVaapiEntrypoint</span></a> entrypoint</code></em>);
<span class="returnvalue">GstCaps</span> *           <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-image-caps" title="gst_vaapi_display_get_image_caps ()">gst_vaapi_display_get_image_caps</a>    (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">gboolean</span>            <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-has-image-format" title="gst_vaapi_display_has_image_format ()">gst_vaapi_display_has_image_format</a>  (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> format</code></em>);
<span class="returnvalue">GstCaps</span> *           <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-get-subpicture-caps" title="gst_vaapi_display_get_subpicture_caps ()">gst_vaapi_display_get_subpicture_caps</a>
                                                        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);
<span class="returnvalue">gboolean</span>            <a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-has-subpicture-format" title="gst_vaapi_display_has_subpicture_format ()">gst_vaapi_display_has_subpicture_format</a>
                                                        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> format</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GstVaapiDisplay.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  GObject
   +----GstVaapiDisplay
         +----<a class="link" href="GstVaapiDisplayX11.html" title="GstVaapiDisplayX11">GstVaapiDisplayX11</a>
</pre>
</div>
<div class="refsect1">
<a name="GstVaapiDisplay.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="GstVaapiDisplay.html#GstVaapiDisplay--display" title='The "display" property'>display</a>"                  <span class="type">gpointer</span>              : Read / Write / Construct Only
  "<a class="link" href="GstVaapiDisplay.html#GstVaapiDisplay--height" title='The "height" property'>height</a>"                   <span class="type">guint</span>                 : Read
  "<a class="link" href="GstVaapiDisplay.html#GstVaapiDisplay--width" title='The "width" property'>width</a>"                    <span class="type">guint</span>                 : Read
</pre>
</div>
<div class="refsect1">
<a name="GstVaapiDisplay.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="GstVaapiDisplay.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstVaapiDisplay-struct"></a><h3>struct GstVaapiDisplay</h3>
<pre class="programlisting">struct GstVaapiDisplay;</pre>
<p>
Base class for VA displays.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiDisplayClass"></a><h3>struct GstVaapiDisplayClass</h3>
<pre class="programlisting">struct GstVaapiDisplayClass {
    gboolean   (*open_display)  (GstVaapiDisplay *display);
    void       (*close_display) (GstVaapiDisplay *display);
    void       (*lock)          (GstVaapiDisplay *display);
    void       (*unlock)        (GstVaapiDisplay *display);
    void       (*sync)          (GstVaapiDisplay *display);
    void       (*flush)         (GstVaapiDisplay *display);
    gboolean   (*get_display)   (GstVaapiDisplay *display,
                                 GstVaapiDisplayInfo *info);
    void       (*get_size)      (GstVaapiDisplay *display,
                                 guint *pwidth, guint *pheight);
    void       (*get_size_mm)   (GstVaapiDisplay *display,
                                 guint *pwidth, guint *pheight);
};
</pre>
<p>
Base class for VA displays.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.open-display"></a>open_display</code></em> ()</span></p></td>
<td>virtual function to open a display</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.close-display"></a>close_display</code></em> ()</span></p></td>
<td>virtual function to close a display</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.lock"></a>lock</code></em> ()</span></p></td>
<td>(optional) virtual function to lock a display</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.unlock"></a>unlock</code></em> ()</span></p></td>
<td>(optional) virtual function to unlock a display</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.sync"></a>sync</code></em> ()</span></p></td>
<td>(optional) virtual function to sync a display</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.flush"></a>flush</code></em> ()</span></p></td>
<td>(optional) virtual function to flush pending requests of a display</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.get-display"></a>get_display</code></em> ()</span></p></td>
<td>virtual function to retrieve the <span class="type">GstVaapiDisplayInfo</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.get-size"></a>get_size</code></em> ()</span></p></td>
<td>virtual function to retrieve the display dimensions, in pixels</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstVaapiDisplayClass.get-size-mm"></a>get_size_mm</code></em> ()</span></p></td>
<td>virtual function to retrieve the display dimensions, in millimeters</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-new-with-display"></a><h3>gst_vaapi_display_new_with_display ()</h3>
<pre class="programlisting"><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="returnvalue">GstVaapiDisplay</span></a> *   gst_vaapi_display_new_with_display  (<em class="parameter"><code><span class="type">VADisplay</span> va_display</code></em>);</pre>
<p>
Creates a new <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>, using <em class="parameter"><code>va_display</code></em> as the VA
display.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>va_display</code></em> :</span></p></td>
<td>a <span class="type">VADisplay</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the newly created <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-lock"></a><h3>gst_vaapi_display_lock ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_vaapi_display_lock              (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Locks <em class="parameter"><code>display</code></em>. If <em class="parameter"><code>display</code></em> is already locked by another thread,
the current thread will block until <em class="parameter"><code>display</code></em> is unlocked by the
other thread.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-unlock"></a><h3>gst_vaapi_display_unlock ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_vaapi_display_unlock            (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Unlocks <em class="parameter"><code>display</code></em>. If another thread is blocked in a
<a class="link" href="GstVaapiDisplay.html#gst-vaapi-display-lock" title="gst_vaapi_display_lock ()"><code class="function">gst_vaapi_display_lock()</code></a> call for <em class="parameter"><code>display</code></em>, it will be woken and
can lock <em class="parameter"><code>display</code></em> itself.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-sync"></a><h3>gst_vaapi_display_sync ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_vaapi_display_sync              (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Flushes any requests queued for the windowing system and waits until
all requests have been handled. This is often used for making sure
that the display is synchronized with the current state of the program.
</p>
<p>
This is most useful for X11. On windowing systems where requests are
handled synchronously, this function will do nothing.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-flush"></a><h3>gst_vaapi_display_flush ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_vaapi_display_flush             (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Flushes any requests queued for the windowing system.
</p>
<p>
This is most useful for X11. On windowing systems where requests
are handled synchronously, this function will do nothing.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-display"></a><h3>gst_vaapi_display_get_display ()</h3>
<pre class="programlisting"><span class="returnvalue">VADisplay</span>           gst_vaapi_display_get_display       (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Returns the <span class="type">VADisplay</span> bound to <em class="parameter"><code>display</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <span class="type">VADisplay</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-width"></a><h3>gst_vaapi_display_get_width ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span>               gst_vaapi_display_get_width         (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Retrieves the width of a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the width of the <em class="parameter"><code>display</code></em>, in pixels</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-height"></a><h3>gst_vaapi_display_get_height ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span>               gst_vaapi_display_get_height        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Retrieves the height of a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the height of the <em class="parameter"><code>display</code></em>, in pixels</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-size"></a><h3>gst_vaapi_display_get_size ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_vaapi_display_get_size          (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *pwidth</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *pheight</code></em>);</pre>
<p>
Retrieves the dimensions of a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pwidth</code></em> :</span></p></td>
<td>return location for the width, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pheight</code></em> :</span></p></td>
<td>return location for the height, or <code class="literal">NULL</code>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-pixel-aspect-ratio"></a><h3>gst_vaapi_display_get_pixel_aspect_ratio ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_vaapi_display_get_pixel_aspect_ratio
                                                        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> *par_d</code></em>);</pre>
<p>
Retrieves the pixel aspect ratio of a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_n</code></em> :</span></p></td>
<td>return location for the numerator of pixel aspect ratio, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_d</code></em> :</span></p></td>
<td>return location for the denominator of pixel aspect ratio, or <code class="literal">NULL</code>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-decode-caps"></a><h3>gst_vaapi_display_get_decode_caps ()</h3>
<pre class="programlisting"><span class="returnvalue">GstCaps</span> *           gst_vaapi_display_get_decode_caps   (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Gets the supported profiles for decoding as <span class="type">GstCaps</span> capabilities.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a newly allocated <span class="type">GstCaps</span> object, possibly empty</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-has-decoder"></a><h3>gst_vaapi_display_has_decoder ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>            gst_vaapi_display_has_decoder       (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiProfile" title="enum GstVaapiProfile"><span class="type">GstVaapiProfile</span></a> profile</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiEntrypoint" title="enum GstVaapiEntrypoint"><span class="type">GstVaapiEntrypoint</span></a> entrypoint</code></em>);</pre>
<p>
Returns whether VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>profile</code></em> for decoding at the
specified <em class="parameter"><code>entrypoint</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>profile</code></em> :</span></p></td>
<td>a <span class="type">VAProfile</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>entrypoint</code></em> :</span></p></td>
<td>a <span class="type">GstVaaiEntrypoint</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>profile</code></em> for decoding.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-encode-caps"></a><h3>gst_vaapi_display_get_encode_caps ()</h3>
<pre class="programlisting"><span class="returnvalue">GstCaps</span> *           gst_vaapi_display_get_encode_caps   (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Gets the supported profiles for decoding as <span class="type">GstCaps</span> capabilities.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a newly allocated <span class="type">GstCaps</span> object, possibly empty</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-has-encoder"></a><h3>gst_vaapi_display_has_encoder ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>            gst_vaapi_display_has_encoder       (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiProfile" title="enum GstVaapiProfile"><span class="type">GstVaapiProfile</span></a> profile</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiProfile.html#GstVaapiEntrypoint" title="enum GstVaapiEntrypoint"><span class="type">GstVaapiEntrypoint</span></a> entrypoint</code></em>);</pre>
<p>
Returns whether VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>profile</code></em> for encoding at the
specified <em class="parameter"><code>entrypoint</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>profile</code></em> :</span></p></td>
<td>a <span class="type">VAProfile</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>entrypoint</code></em> :</span></p></td>
<td>a <a class="link" href="libs-GstVaapiProfile.html#GstVaapiEntrypoint" title="enum GstVaapiEntrypoint"><span class="type">GstVaapiEntrypoint</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>profile</code></em> for encoding.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-image-caps"></a><h3>gst_vaapi_display_get_image_caps ()</h3>
<pre class="programlisting"><span class="returnvalue">GstCaps</span> *           gst_vaapi_display_get_image_caps    (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Gets the supported image formats for <a class="link" href="libs-gstvaapisurface.html#gst-vaapi-surface-get-image" title="gst_vaapi_surface_get_image ()"><code class="function">gst_vaapi_surface_get_image()</code></a>
or <a class="link" href="libs-gstvaapisurface.html#gst-vaapi-surface-put-image" title="gst_vaapi_surface_put_image ()"><code class="function">gst_vaapi_surface_put_image()</code></a> as <span class="type">GstCaps</span> capabilities.
</p>
<p>
Note that this method does not necessarily map image formats
returned by <code class="function">vaQueryImageFormats()</code>. The set of capabilities can be
stripped down, if gstreamer-vaapi does not support the format, or
expanded to cover compatible formats not exposed by the underlying
driver. e.g. I420 can be supported even if the driver only exposes
YV12.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a newly allocated <span class="type">GstCaps</span> object, possibly empty</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-has-image-format"></a><h3>gst_vaapi_display_has_image_format ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>            gst_vaapi_display_has_image_format  (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> format</code></em>);</pre>
<p>
Returns whether VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>format</code></em> image format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <span class="type">GstVaapiFormat</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>format</code></em> image format</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-get-subpicture-caps"></a><h3>gst_vaapi_display_get_subpicture_caps ()</h3>
<pre class="programlisting"><span class="returnvalue">GstCaps</span> *           gst_vaapi_display_get_subpicture_caps
                                                        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>);</pre>
<p>
Gets the supported subpicture formats as <span class="type">GstCaps</span> capabilities.
</p>
<p>
Note that this method does not necessarily map subpicture formats
returned by <code class="function">vaQuerySubpictureFormats()</code>. The set of capabilities can
be stripped down if gstreamer-vaapi does not support the
format. e.g. this is the case for paletted formats like IA44.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a newly allocated <span class="type">GstCaps</span> object, possibly empty</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-has-subpicture-format"></a><h3>gst_vaapi_display_has_subpicture_format ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>            gst_vaapi_display_has_subpicture_format
                                                        (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
                                                         <em class="parameter"><code><a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> format</code></em>);</pre>
<p>
Returns whether VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>format</code></em> subpicture format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <span class="type">GstVaapiFormat</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if VA <em class="parameter"><code>display</code></em> supports <em class="parameter"><code>format</code></em> subpicture format</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GstVaapiDisplay.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVaapiDisplay--display"></a><h3>The <code class="literal">"display"</code> property</h3>
<pre class="programlisting">  "display"                  <span class="type">gpointer</span>              : Read / Write / Construct Only</pre>
<p>VA display.</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiDisplay--height"></a><h3>The <code class="literal">"height"</code> property</h3>
<pre class="programlisting">  "height"                   <span class="type">guint</span>                 : Read</pre>
<p>The display height.</p>
<p>Allowed values: &gt;= 1</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiDisplay--width"></a><h3>The <code class="literal">"width"</code> property</h3>
<pre class="programlisting">  "width"                    <span class="type">guint</span>                 : Read</pre>
<p>The display width.</p>
<p>Allowed values: &gt;= 1</p>
<p>Default value: 1</p>
</div>
</div>
</div>
<div class="footer">
<hr>
          Generated by GTK-Doc V1.18</div>
</body>
</html>