/usr/share/gtk-doc/html/ges-1.0/GESTrack.html is in libges-1.0-doc 1.6.2-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GESTrack: GStreamer Editing Services 1.6.2 Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="GStreamer Editing Services 1.6.2 Reference Manual">
<link rel="up" href="ch02.html" title="Base Classes">
<link rel="prev" href="GESBaseEffectClip.html" title="GESBaseEffectClip">
<link rel="next" href="GESTrackElement.html" title="GESTrackElement">
<meta name="generator" content="GTK-Doc V1.24 (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="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span>
<a href="#GESTrack.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
<a href="#GESTrack.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span>
<a href="#GESTrack.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span>
<a href="#GESTrack.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span>
<a href="#GESTrack.signals" class="shortcut">Signals</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch02.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="GESBaseEffectClip.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="GESTrackElement.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="GESTrack"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GESTrack.top_of_page"></a>GESTrack</span></h2>
<p>GESTrack — Composition of objects</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GESTrack.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="returnvalue">GstElement</span></a> *
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="GESTrack.html#GESCreateElementForGapFunc" title="GESCreateElementForGapFunc ()">*GESCreateElementForGapFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GESTrack.html" title="GESTrack"><span class="returnvalue">GESTrack</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTrack.html#ges-track-new" title="ges_track_new ()">ges_track_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTrack.html#ges-track-add-element" title="ges_track_add_element ()">ges_track_add_element</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GESTrack.html#ges-track-set-restriction-caps" title="ges_track_set_restriction_caps ()">ges_track_set_restriction_caps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GESTrack.html#ges-track-update-restriction-caps" title="ges_track_update_restriction_caps ()">ges_track_update_restriction_caps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTrack.html#ges-track-remove-element" title="ges_track_remove_element ()">ges_track_remove_element</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="returnvalue">GstCaps</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTrack.html#ges-track-get-caps" title="ges_track_get_caps ()">ges_track_get_caps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTrack.html#ges-track-get-elements" title="ges_track_get_elements ()">ges_track_get_elements</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESTrack.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *</td>
<td class="property_name"><a class="link" href="GESTrack.html#GESTrack--caps" title="The “caps” property">caps</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td>
<td class="property_name"><a class="link" href="GESTrack.html#GESTrack--duration" title="The “duration” property">duration</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="GESTrack.html#GESTrack--mixing" title="The “mixing” property">mixing</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *</td>
<td class="property_name"><a class="link" href="GESTrack.html#GESTrack--restriction-caps" title="The “restriction-caps” property">restriction-caps</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a class="link" href="ges-GES-Enums.html#GESTrackType" title="enum GESTrackType"><span class="type">GESTrackType</span></a></td>
<td class="property_name"><a class="link" href="GESTrack.html#GESTrack--track-type" title="The “track-type” property">track-type</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESTrack.signals"></a><h2>Signals</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GESTrack.html#GESTrack-commited" title="The “commited” signal">commited</a></td>
<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GESTrack.html#GESTrack-track-element-added" title="The “track-element-added” signal">track-element-added</a></td>
<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS">Run First</a></td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GESTrack.html#GESTrack-track-element-removed" title="The “track-element-removed” signal">track-element-removed</a></td>
<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS">Run First</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESTrack.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GESTrack.html#GESTrack-struct" title="GESTrack">GESTrack</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESTrack.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBin.html">GstBin</a>
<span class="lineart">╰──</span> GESTrack
</pre>
</div>
<div class="refsect1">
<a name="GESTrack.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GESTrack implements
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstChildProxy.html">GstChildProxy</a> and <a class="link" href="GESMetaContainer.html" title="GESMetaContainer">GESMetaContainer</a>.</p>
</div>
<div class="refsect1">
<a name="GESTrack.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <ges/ges.h>
</pre>
</div>
<div class="refsect1">
<a name="GESTrack.description"></a><h2>Description</h2>
<p>Corresponds to one output format (i.e. audio OR video).</p>
<p>Contains the compatible TrackElement(s).</p>
</div>
<div class="refsect1">
<a name="GESTrack.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GESCreateElementForGapFunc"></a><h3>GESCreateElementForGapFunc ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="returnvalue">GstElement</span></a> *
<span class="c_punctuation">(</span>*GESCreateElementForGapFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track</code></em>);</pre>
<p>A function that will be called to create the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> that will be used
as a source to fill the gaps in <em class="parameter"><code>track</code></em>
.</p>
<div class="refsect3">
<a name="id-1.3.11.11.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.11.11.2.6"></a><h4>Returns</h4>
<p> A <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> (must be a source) that will be used to
fill the gaps (periods of time in <em class="parameter"><code>track</code></em>
that containes no source).</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-new"></a><h3>ges_track_new ()</h3>
<pre class="programlisting"><a class="link" href="GESTrack.html" title="GESTrack"><span class="returnvalue">GESTrack</span></a> *
ges_track_new (<em class="parameter"><code><a class="link" href="ges-GES-Enums.html#GESTrackType" title="enum GESTrackType"><span class="type">GESTrackType</span></a> type</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *caps</code></em>);</pre>
<p>Creates a new <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> with the given <em class="parameter"><code>type</code></em>
and <em class="parameter"><code>caps</code></em>
.</p>
<p>The newly created track will steal a reference to the caps. If you wish to
use those caps elsewhere, you will have to take an extra reference.</p>
<div class="refsect3">
<a name="id-1.3.11.11.3.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>The type of track</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>caps</p></td>
<td class="parameter_description"><p> The caps to restrict the output of the track to. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.11.11.3.7"></a><h4>Returns</h4>
<p> A new <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-add-element"></a><h3>ges_track_add_element ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_track_add_element (<em class="parameter"><code><a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track</code></em>,
<em class="parameter"><code><a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> *object</code></em>);</pre>
<p>Adds the given object to the track. Sets the object's controlling track,
and thus takes ownership of the <em class="parameter"><code>object</code></em>
.</p>
<p>An object can only be added to one track.</p>
<div class="refsect3">
<a name="id-1.3.11.11.4.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p> the <a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> to add. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.11.11.4.7"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if the object was properly added. <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><span class="type">FALSE</span></a> if the track does not
want to accept the object.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-set-restriction-caps"></a><h3>ges_track_set_restriction_caps ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_track_set_restriction_caps (<em class="parameter"><code><a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *caps</code></em>);</pre>
<p>Sets the given <em class="parameter"><code>caps</code></em>
as the caps the track has to output.</p>
<div class="refsect3">
<a name="id-1.3.11.11.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>caps</p></td>
<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> to set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-update-restriction-caps"></a><h3>ges_track_update_restriction_caps ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_track_update_restriction_caps (<em class="parameter"><code><a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *caps</code></em>);</pre>
<p>Updates the restriction caps by modifying all the fields present in <em class="parameter"><code>caps</code></em>
in the original restriction caps. If for example the current restriction caps
are video/x-raw, format=I420, width=360 and <em class="parameter"><code>caps</code></em>
is video/x-raw, format=RGB,
the restriction caps will be updated to video/x-raw, format=RGB, width=360.</p>
<p>Modification happens for each structure in the new caps, and
one can add new fields or structures through that function.</p>
<div class="refsect3">
<a name="id-1.3.11.11.6.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>caps</p></td>
<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> to update with</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-remove-element"></a><h3>ges_track_remove_element ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_track_remove_element (<em class="parameter"><code><a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track</code></em>,
<em class="parameter"><code><a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> *object</code></em>);</pre>
<p>Removes the object from the track and unparents it.
Unparenting it means the reference owned by <em class="parameter"><code>track</code></em>
on the <em class="parameter"><code>object</code></em>
will be
removed. If you wish to use the <em class="parameter"><code>object</code></em>
after this function, make sure you
call <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#gst-object-ref"><code class="function">gst_object_ref()</code></a> before removing it from the <em class="parameter"><code>track</code></em>
.</p>
<div class="refsect3">
<a name="id-1.3.11.11.7.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> to remove</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.11.11.7.6"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if the object was removed, else <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><span class="type">FALSE</span></a> if the track
could not remove the object (like if it didn't belong to the track).</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-get-caps"></a><h3>ges_track_get_caps ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="returnvalue">GstCaps</span></a> *
ges_track_get_caps (<em class="parameter"><code><a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track</code></em>);</pre>
<p>Get the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> this track is configured to output.</p>
<div class="refsect3">
<a name="id-1.3.11.11.8.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.11.11.8.6"></a><h4>Returns</h4>
<p> The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> this track is configured to output.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-get-elements"></a><h3>ges_track_get_elements ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *
ges_track_get_elements (<em class="parameter"><code><a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track</code></em>);</pre>
<p>Gets the <a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> contained in <em class="parameter"><code>track</code></em>
</p>
<div class="refsect3">
<a name="id-1.3.11.11.9.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.3.11.11.9.6"></a><h4>Returns</h4>
<p> the list of
<a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> present in the Track sorted by priority and start. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GESTrackElement]</span></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="GESTrack.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GESTrack-struct"></a><h3>GESTrack</h3>
<pre class="programlisting">typedef struct {
/* READ-ONLY */
GESTrackType type;
} GESTrack;
</pre>
<div class="refsect3">
<a name="id-1.3.11.12.2.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody><tr>
<td class="struct_member_name"><p><a class="link" href="ges-GES-Enums.html#GESTrackType" title="enum GESTrackType"><span class="type">GESTrackType</span></a> <em class="structfield"><code><a name="GESTrack-struct.type"></a>type</code></em>;</p></td>
<td class="struct_member_description"><p>a <a class="link" href="ges-GES-Enums.html#GESTrackType" title="enum GESTrackType"><span class="type">GESTrackType</span></a> indicting the basic type of the track.</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GESTrack.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GESTrack--caps"></a><h3>The <code class="literal">“caps”</code> property</h3>
<pre class="programlisting"> “caps” <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *</pre>
<p>Caps used to filter/choose the output stream. This is generally set to
a generic set of caps like 'video/x-raw' for raw video.</p>
<p>Default value: <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html#GST-CAPS-ANY:CAPS"><span class="type">GST_CAPS_ANY</span></a>.</p>
<p>Flags: Read / Write / Construct Only</p>
</div>
<hr>
<div class="refsect2">
<a name="GESTrack--duration"></a><h3>The <code class="literal">“duration”</code> property</h3>
<pre class="programlisting"> “duration” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></pre>
<p>Current duration of the track</p>
<p>Default value: O</p>
<p>Flags: Read</p>
<p>Default value: 1000000000</p>
</div>
<hr>
<div class="refsect2">
<a name="GESTrack--mixing"></a><h3>The <code class="literal">“mixing”</code> property</h3>
<pre class="programlisting"> “mixing” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Whether layer mixing is activated or not on the track.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GESTrack--restriction-caps"></a><h3>The <code class="literal">“restriction-caps”</code> property</h3>
<pre class="programlisting"> “restriction-caps” <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html"><span class="type">GstCaps</span></a> *</pre>
<p>Caps used to filter/choose the output stream.</p>
<p>Default value: <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html#GST-CAPS-ANY:CAPS"><span class="type">GST_CAPS_ANY</span></a>.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GESTrack--track-type"></a><h3>The <code class="literal">“track-type”</code> property</h3>
<pre class="programlisting"> “track-type” <a class="link" href="ges-GES-Enums.html#GESTrackType" title="enum GESTrackType"><span class="type">GESTrackType</span></a></pre>
<p>Type of stream the track outputs. This is used when creating the <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a>
to specify in generic terms what type of content will be outputted.</p>
<p>It also serves as a 'fast' way to check what type of data will be outputted
from the <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> without having to actually check the <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a>'s caps
property.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Default value: GES_TRACK_TYPE_CUSTOM</p>
</div>
</div>
<div class="refsect1">
<a name="GESTrack.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GESTrack-commited"></a><h3>The <code class="literal">“commited”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *track,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<div class="refsect3">
<a name="id-1.3.11.14.2.4"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>track</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GESTrack-track-element-added"></a><h3>The <code class="literal">“track-element-added”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *object,
<a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> *effect,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>Will be emitted after a track element was added to the track.</p>
<div class="refsect3">
<a name="id-1.3.11.14.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>effect</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> that was added.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS">Run First</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GESTrack-track-element-removed"></a><h3>The <code class="literal">“track-element-removed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a> *object,
<a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> *effect,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>Will be emitted after a track element was removed from the track.</p>
<div class="refsect3">
<a name="id-1.3.11.14.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTrack.html" title="GESTrack"><span class="type">GESTrack</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>effect</p></td>
<td class="parameter_description"><p>the <a class="link" href="GESTrackElement.html" title="GESTrackElement"><span class="type">GESTrackElement</span></a> that was removed.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS">Run First</a></p>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.24</div>
</body>
</html>
|