1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>GstDiscoverer: GStreamer Base Plugins 1.0 Library Reference Manual</title> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual"> 8<link rel="up" href="gstreamer-base-utils.html" title="Base Utils Library"> 9<link rel="prev" href="gst-plugins-base-libs-Install-plugins.html" title="Install-plugins"> 10<link rel="next" href="GstEncodingProfile.html" title="GstEncodingProfile"> 11<meta name="generator" content="GTK-Doc V1.28 (XML mode)"> 12<link rel="stylesheet" href="style.css" type="text/css"> 13</head> 14<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 15<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> 16<td width="100%" align="left" class="shortcuts"> 17<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 18 <a href="#GstDiscoverer.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#GstDiscoverer.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#GstDiscoverer.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span> 21 <a href="#GstDiscoverer.signals" class="shortcut">Signals</a></span> 22</td> 23<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 24<td><a accesskey="u" href="gstreamer-base-utils.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 25<td><a accesskey="p" href="gst-plugins-base-libs-Install-plugins.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 26<td><a accesskey="n" href="GstEncodingProfile.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 27</tr></table> 28<div class="refentry"> 29<a name="GstDiscoverer"></a><div class="titlepage"></div> 30<div class="refnamediv"><table width="100%"><tr> 31<td valign="top"> 32<h2><span class="refentrytitle"><a name="GstDiscoverer.top_of_page"></a>GstDiscoverer</span></h2> 33<p>GstDiscoverer — Utility for discovering information on URIs.</p> 34</td> 35<td class="gallery_image" valign="top" align="right"></td> 36</tr></table></div> 37<div class="refsect1"> 38<a name="GstDiscoverer.functions"></a><h2>Functions</h2> 39<div class="informaltable"><table class="informaltable" width="100%" border="0"> 40<colgroup> 41<col width="150px" class="functions_return"> 42<col class="functions_name"> 43</colgroup> 44<tbody> 45<tr> 46<td class="function_type"> 47<a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="returnvalue">GstDiscoverer</span></a> * 48</td> 49<td class="function_name"> 50<a class="link" href="GstDiscoverer.html#gst-discoverer-new" title="gst_discoverer_new ()">gst_discoverer_new</a> <span class="c_punctuation">()</span> 51</td> 52</tr> 53<tr> 54<td class="function_type"> 55<span class="returnvalue">void</span> 56</td> 57<td class="function_name"> 58<a class="link" href="GstDiscoverer.html#gst-discoverer-start" title="gst_discoverer_start ()">gst_discoverer_start</a> <span class="c_punctuation">()</span> 59</td> 60</tr> 61<tr> 62<td class="function_type"> 63<span class="returnvalue">void</span> 64</td> 65<td class="function_name"> 66<a class="link" href="GstDiscoverer.html#gst-discoverer-stop" title="gst_discoverer_stop ()">gst_discoverer_stop</a> <span class="c_punctuation">()</span> 67</td> 68</tr> 69<tr> 70<td class="function_type"> 71<a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="returnvalue">GstDiscovererInfo</span></a> * 72</td> 73<td class="function_name"> 74<a class="link" href="GstDiscoverer.html#gst-discoverer-discover-uri" title="gst_discoverer_discover_uri ()">gst_discoverer_discover_uri</a> <span class="c_punctuation">()</span> 75</td> 76</tr> 77<tr> 78<td class="function_type"> 79<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 80</td> 81<td class="function_name"> 82<a class="link" href="GstDiscoverer.html#gst-discoverer-discover-uri-async" title="gst_discoverer_discover_uri_async ()">gst_discoverer_discover_uri_async</a> <span class="c_punctuation">()</span> 83</td> 84</tr> 85<tr> 86<td class="function_type"> 87<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a> 88</td> 89<td class="function_name"> 90<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-duration" title="gst_discoverer_info_get_duration ()">gst_discoverer_info_get_duration</a> <span class="c_punctuation">()</span> 91</td> 92</tr> 93<tr> 94<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="returnvalue">GstStructure</span></a> * 95</td> 96<td class="function_name"> 97<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-misc" title="gst_discoverer_info_get_misc ()">gst_discoverer_info_get_misc</a> <span class="c_punctuation">()</span> 98</td> 99</tr> 100<tr> 101<td class="function_type"> 102<a class="link" href="GstDiscoverer.html#GstDiscovererResult" title="enum GstDiscovererResult"><span class="returnvalue">GstDiscovererResult</span></a> 103</td> 104<td class="function_name"> 105<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-result" title="gst_discoverer_info_get_result ()">gst_discoverer_info_get_result</a> <span class="c_punctuation">()</span> 106</td> 107</tr> 108<tr> 109<td class="function_type"> 110<a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="returnvalue">GstDiscovererStreamInfo</span></a> * 111</td> 112<td class="function_name"> 113<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-stream-info" title="gst_discoverer_info_get_stream_info ()">gst_discoverer_info_get_stream_info</a> <span class="c_punctuation">()</span> 114</td> 115</tr> 116<tr> 117<td class="function_type"> 118<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 119</td> 120<td class="function_name"> 121<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-stream-list" title="gst_discoverer_info_get_stream_list ()">gst_discoverer_info_get_stream_list</a> <span class="c_punctuation">()</span> 122</td> 123</tr> 124<tr> 125<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * 126</td> 127<td class="function_name"> 128<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-tags" title="gst_discoverer_info_get_tags ()">gst_discoverer_info_get_tags</a> <span class="c_punctuation">()</span> 129</td> 130</tr> 131<tr> 132<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstToc.html#GstToc-struct"><span class="returnvalue">GstToc</span></a> * 133</td> 134<td class="function_name"> 135<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-toc" title="gst_discoverer_info_get_toc ()">gst_discoverer_info_get_toc</a> <span class="c_punctuation">()</span> 136</td> 137</tr> 138<tr> 139<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 140</td> 141<td class="function_name"> 142<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-uri" title="gst_discoverer_info_get_uri ()">gst_discoverer_info_get_uri</a> <span class="c_punctuation">()</span> 143</td> 144</tr> 145<tr> 146<td class="function_type"> 147<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 148</td> 149<td class="function_name"> 150<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-seekable" title="gst_discoverer_info_get_seekable ()">gst_discoverer_info_get_seekable</a> <span class="c_punctuation">()</span> 151</td> 152</tr> 153<tr> 154<td class="function_type"> 155<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 156</td> 157<td class="function_name"> 158<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-live" title="gst_discoverer_info_get_live ()">gst_discoverer_info_get_live</a> <span class="c_punctuation">()</span> 159</td> 160</tr> 161<tr> 162<td class="define_keyword">#define</td> 163<td class="function_name"> 164<a class="link" href="GstDiscoverer.html#gst-discoverer-info-ref" title="gst_discoverer_info_ref()">gst_discoverer_info_ref</a><span class="c_punctuation">()</span> 165</td> 166</tr> 167<tr> 168<td class="define_keyword">#define</td> 169<td class="function_name"> 170<a class="link" href="GstDiscoverer.html#gst-discoverer-info-unref" title="gst_discoverer_info_unref()">gst_discoverer_info_unref</a><span class="c_punctuation">()</span> 171</td> 172</tr> 173<tr> 174<td class="function_type"> 175<a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * 176</td> 177<td class="function_name"> 178<a class="link" href="GstDiscoverer.html#gst-discoverer-info-to-variant" title="gst_discoverer_info_to_variant ()">gst_discoverer_info_to_variant</a> <span class="c_punctuation">()</span> 179</td> 180</tr> 181<tr> 182<td class="function_type"> 183<a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="returnvalue">GstDiscovererInfo</span></a> * 184</td> 185<td class="function_name"> 186<a class="link" href="GstDiscoverer.html#gst-discoverer-info-from-variant" title="gst_discoverer_info_from_variant ()">gst_discoverer_info_from_variant</a> <span class="c_punctuation">()</span> 187</td> 188</tr> 189<tr> 190<td class="function_type"> 191<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> * 192</td> 193<td class="function_name"> 194<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-caps" title="gst_discoverer_stream_info_get_caps ()">gst_discoverer_stream_info_get_caps</a> <span class="c_punctuation">()</span> 195</td> 196</tr> 197<tr> 198<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="returnvalue">GstStructure</span></a> * 199</td> 200<td class="function_name"> 201<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-misc" title="gst_discoverer_stream_info_get_misc ()">gst_discoverer_stream_info_get_misc</a> <span class="c_punctuation">()</span> 202</td> 203</tr> 204<tr> 205<td class="function_type"> 206<a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="returnvalue">GstDiscovererStreamInfo</span></a> * 207</td> 208<td class="function_name"> 209<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-next" title="gst_discoverer_stream_info_get_next ()">gst_discoverer_stream_info_get_next</a> <span class="c_punctuation">()</span> 210</td> 211</tr> 212<tr> 213<td class="function_type"> 214<a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="returnvalue">GstDiscovererStreamInfo</span></a> * 215</td> 216<td class="function_name"> 217<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-previous" title="gst_discoverer_stream_info_get_previous ()">gst_discoverer_stream_info_get_previous</a> <span class="c_punctuation">()</span> 218</td> 219</tr> 220<tr> 221<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * 222</td> 223<td class="function_name"> 224<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-tags" title="gst_discoverer_stream_info_get_tags ()">gst_discoverer_stream_info_get_tags</a> <span class="c_punctuation">()</span> 225</td> 226</tr> 227<tr> 228<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstToc.html#GstToc-struct"><span class="returnvalue">GstToc</span></a> * 229</td> 230<td class="function_name"> 231<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-toc" title="gst_discoverer_stream_info_get_toc ()">gst_discoverer_stream_info_get_toc</a> <span class="c_punctuation">()</span> 232</td> 233</tr> 234<tr> 235<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 236</td> 237<td class="function_name"> 238<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-stream-id" title="gst_discoverer_stream_info_get_stream_id ()">gst_discoverer_stream_info_get_stream_id</a> <span class="c_punctuation">()</span> 239</td> 240</tr> 241<tr> 242<td class="define_keyword">#define</td> 243<td class="function_name"> 244<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-ref" title="gst_discoverer_stream_info_ref()">gst_discoverer_stream_info_ref</a><span class="c_punctuation">()</span> 245</td> 246</tr> 247<tr> 248<td class="define_keyword">#define</td> 249<td class="function_name"> 250<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-unref" title="gst_discoverer_stream_info_unref()">gst_discoverer_stream_info_unref</a><span class="c_punctuation">()</span> 251</td> 252</tr> 253<tr> 254<td class="function_type"> 255<span class="returnvalue">void</span> 256</td> 257<td class="function_name"> 258<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()">gst_discoverer_stream_info_list_free</a> <span class="c_punctuation">()</span> 259</td> 260</tr> 261<tr> 262<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 263</td> 264<td class="function_name"> 265<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-stream-type-nick" title="gst_discoverer_stream_info_get_stream_type_nick ()">gst_discoverer_stream_info_get_stream_type_nick</a> <span class="c_punctuation">()</span> 266</td> 267</tr> 268<tr> 269<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** 270</td> 271<td class="function_name"> 272<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-missing-elements-installer-details" title="gst_discoverer_info_get_missing_elements_installer_details ()">gst_discoverer_info_get_missing_elements_installer_details</a> <span class="c_punctuation">()</span> 273</td> 274</tr> 275<tr> 276<td class="function_type"> 277<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 278</td> 279<td class="function_name"> 280<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-audio-streams" title="gst_discoverer_info_get_audio_streams ()">gst_discoverer_info_get_audio_streams</a> <span class="c_punctuation">()</span> 281</td> 282</tr> 283<tr> 284<td class="function_type"> 285<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 286</td> 287<td class="function_name"> 288<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-container-streams" title="gst_discoverer_info_get_container_streams ()">gst_discoverer_info_get_container_streams</a> <span class="c_punctuation">()</span> 289</td> 290</tr> 291<tr> 292<td class="function_type"> 293<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 294</td> 295<td class="function_name"> 296<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-streams" title="gst_discoverer_info_get_streams ()">gst_discoverer_info_get_streams</a> <span class="c_punctuation">()</span> 297</td> 298</tr> 299<tr> 300<td class="function_type"> 301<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 302</td> 303<td class="function_name"> 304<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-subtitle-streams" title="gst_discoverer_info_get_subtitle_streams ()">gst_discoverer_info_get_subtitle_streams</a> <span class="c_punctuation">()</span> 305</td> 306</tr> 307<tr> 308<td class="function_type"> 309<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 310</td> 311<td class="function_name"> 312<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-video-streams" title="gst_discoverer_info_get_video_streams ()">gst_discoverer_info_get_video_streams</a> <span class="c_punctuation">()</span> 313</td> 314</tr> 315<tr> 316<td class="function_type"> 317<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 318</td> 319<td class="function_name"> 320<a class="link" href="GstDiscoverer.html#gst-discoverer-audio-info-get-bitrate" title="gst_discoverer_audio_info_get_bitrate ()">gst_discoverer_audio_info_get_bitrate</a> <span class="c_punctuation">()</span> 321</td> 322</tr> 323<tr> 324<td class="function_type"> 325<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 326</td> 327<td class="function_name"> 328<a class="link" href="GstDiscoverer.html#gst-discoverer-audio-info-get-channels" title="gst_discoverer_audio_info_get_channels ()">gst_discoverer_audio_info_get_channels</a> <span class="c_punctuation">()</span> 329</td> 330</tr> 331<tr> 332<td class="function_type"> 333<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="returnvalue">guint64</span></a> 334</td> 335<td class="function_name"> 336<a class="link" href="GstDiscoverer.html#gst-discoverer-audio-info-get-channel-mask" title="gst_discoverer_audio_info_get_channel_mask ()">gst_discoverer_audio_info_get_channel_mask</a> <span class="c_punctuation">()</span> 337</td> 338</tr> 339<tr> 340<td class="function_type"> 341<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 342</td> 343<td class="function_name"> 344<a class="link" href="GstDiscoverer.html#gst-discoverer-audio-info-get-depth" title="gst_discoverer_audio_info_get_depth ()">gst_discoverer_audio_info_get_depth</a> <span class="c_punctuation">()</span> 345</td> 346</tr> 347<tr> 348<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 349</td> 350<td class="function_name"> 351<a class="link" href="GstDiscoverer.html#gst-discoverer-audio-info-get-language" title="gst_discoverer_audio_info_get_language ()">gst_discoverer_audio_info_get_language</a> <span class="c_punctuation">()</span> 352</td> 353</tr> 354<tr> 355<td class="function_type"> 356<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 357</td> 358<td class="function_name"> 359<a class="link" href="GstDiscoverer.html#gst-discoverer-audio-info-get-max-bitrate" title="gst_discoverer_audio_info_get_max_bitrate ()">gst_discoverer_audio_info_get_max_bitrate</a> <span class="c_punctuation">()</span> 360</td> 361</tr> 362<tr> 363<td class="function_type"> 364<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 365</td> 366<td class="function_name"> 367<a class="link" href="GstDiscoverer.html#gst-discoverer-audio-info-get-sample-rate" title="gst_discoverer_audio_info_get_sample_rate ()">gst_discoverer_audio_info_get_sample_rate</a> <span class="c_punctuation">()</span> 368</td> 369</tr> 370<tr> 371<td class="function_type"> 372<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 373</td> 374<td class="function_name"> 375<a class="link" href="GstDiscoverer.html#gst-discoverer-container-info-get-streams" title="gst_discoverer_container_info_get_streams ()">gst_discoverer_container_info_get_streams</a> <span class="c_punctuation">()</span> 376</td> 377</tr> 378<tr> 379<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 380</td> 381<td class="function_name"> 382<a class="link" href="GstDiscoverer.html#gst-discoverer-subtitle-info-get-language" title="gst_discoverer_subtitle_info_get_language ()">gst_discoverer_subtitle_info_get_language</a> <span class="c_punctuation">()</span> 383</td> 384</tr> 385<tr> 386<td class="function_type"> 387<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 388</td> 389<td class="function_name"> 390<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-bitrate" title="gst_discoverer_video_info_get_bitrate ()">gst_discoverer_video_info_get_bitrate</a> <span class="c_punctuation">()</span> 391</td> 392</tr> 393<tr> 394<td class="function_type"> 395<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 396</td> 397<td class="function_name"> 398<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-depth" title="gst_discoverer_video_info_get_depth ()">gst_discoverer_video_info_get_depth</a> <span class="c_punctuation">()</span> 399</td> 400</tr> 401<tr> 402<td class="function_type"> 403<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 404</td> 405<td class="function_name"> 406<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-framerate-denom" title="gst_discoverer_video_info_get_framerate_denom ()">gst_discoverer_video_info_get_framerate_denom</a> <span class="c_punctuation">()</span> 407</td> 408</tr> 409<tr> 410<td class="function_type"> 411<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 412</td> 413<td class="function_name"> 414<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-framerate-num" title="gst_discoverer_video_info_get_framerate_num ()">gst_discoverer_video_info_get_framerate_num</a> <span class="c_punctuation">()</span> 415</td> 416</tr> 417<tr> 418<td class="function_type"> 419<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 420</td> 421<td class="function_name"> 422<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-height" title="gst_discoverer_video_info_get_height ()">gst_discoverer_video_info_get_height</a> <span class="c_punctuation">()</span> 423</td> 424</tr> 425<tr> 426<td class="function_type"> 427<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 428</td> 429<td class="function_name"> 430<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-is-interlaced" title="gst_discoverer_video_info_is_interlaced ()">gst_discoverer_video_info_is_interlaced</a> <span class="c_punctuation">()</span> 431</td> 432</tr> 433<tr> 434<td class="function_type"> 435<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 436</td> 437<td class="function_name"> 438<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-is-image" title="gst_discoverer_video_info_is_image ()">gst_discoverer_video_info_is_image</a> <span class="c_punctuation">()</span> 439</td> 440</tr> 441<tr> 442<td class="function_type"> 443<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 444</td> 445<td class="function_name"> 446<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-max-bitrate" title="gst_discoverer_video_info_get_max_bitrate ()">gst_discoverer_video_info_get_max_bitrate</a> <span class="c_punctuation">()</span> 447</td> 448</tr> 449<tr> 450<td class="function_type"> 451<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 452</td> 453<td class="function_name"> 454<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-par-denom" title="gst_discoverer_video_info_get_par_denom ()">gst_discoverer_video_info_get_par_denom</a> <span class="c_punctuation">()</span> 455</td> 456</tr> 457<tr> 458<td class="function_type"> 459<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 460</td> 461<td class="function_name"> 462<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-par-num" title="gst_discoverer_video_info_get_par_num ()">gst_discoverer_video_info_get_par_num</a> <span class="c_punctuation">()</span> 463</td> 464</tr> 465<tr> 466<td class="function_type"> 467<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 468</td> 469<td class="function_name"> 470<a class="link" href="GstDiscoverer.html#gst-discoverer-video-info-get-width" title="gst_discoverer_video_info_get_width ()">gst_discoverer_video_info_get_width</a> <span class="c_punctuation">()</span> 471</td> 472</tr> 473</tbody> 474</table></div> 475</div> 476<div class="refsect1"> 477<a name="GstDiscoverer.properties"></a><h2>Properties</h2> 478<div class="informaltable"><table class="informaltable" border="0"> 479<colgroup> 480<col width="150px" class="properties_type"> 481<col width="300px" class="properties_name"> 482<col width="200px" class="properties_flags"> 483</colgroup> 484<tbody> 485<tr> 486<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></td> 487<td class="property_name"><a class="link" href="GstDiscoverer.html#GstDiscoverer--timeout" title="The “timeout” property">timeout</a></td> 488<td class="property_flags">Read / Write / Construct</td> 489</tr> 490<tr> 491<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 492<td class="property_name"><a class="link" href="GstDiscoverer.html#GstDiscoverer--use-cache" title="The “use-cache” property">use-cache</a></td> 493<td class="property_flags">Read / Write / Construct</td> 494</tr> 495</tbody> 496</table></div> 497</div> 498<div class="refsect1"> 499<a name="GstDiscoverer.signals"></a><h2>Signals</h2> 500<div class="informaltable"><table class="informaltable" border="0"> 501<colgroup> 502<col width="150px" class="signals_return"> 503<col width="300px" class="signals_name"> 504<col width="200px" class="signals_flags"> 505</colgroup> 506<tbody> 507<tr> 508<td class="signal_type"><span class="returnvalue">void</span></td> 509<td class="signal_name"><a class="link" href="GstDiscoverer.html#GstDiscoverer-discovered" title="The “discovered” signal">discovered</a></td> 510<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> 511</tr> 512<tr> 513<td class="signal_type"><span class="returnvalue">void</span></td> 514<td class="signal_name"><a class="link" href="GstDiscoverer.html#GstDiscoverer-finished" title="The “finished” signal">finished</a></td> 515<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> 516</tr> 517<tr> 518<td class="signal_type"><span class="returnvalue">void</span></td> 519<td class="signal_name"><a class="link" href="GstDiscoverer.html#GstDiscoverer-source-setup" title="The “source-setup” signal">source-setup</a></td> 520<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> 521</tr> 522<tr> 523<td class="signal_type"><span class="returnvalue">void</span></td> 524<td class="signal_name"><a class="link" href="GstDiscoverer.html#GstDiscoverer-starting" title="The “starting” signal">starting</a></td> 525<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> 526</tr> 527</tbody> 528</table></div> 529</div> 530<a name="GstDiscovererInfo"></a><div class="refsect1"> 531<a name="GstDiscoverer.other"></a><h2>Types and Values</h2> 532<div class="informaltable"><table class="informaltable" width="100%" border="0"> 533<colgroup> 534<col width="150px" class="name"> 535<col class="description"> 536</colgroup> 537<tbody> 538<tr> 539<td class="datatype_keyword">struct</td> 540<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscoverer-struct" title="struct GstDiscoverer">GstDiscoverer</a></td> 541</tr> 542<tr> 543<td class="datatype_keyword"> </td> 544<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererInfo-struct" title="GstDiscovererInfo">GstDiscovererInfo</a></td> 545</tr> 546<tr> 547<td class="datatype_keyword">enum</td> 548<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererResult" title="enum GstDiscovererResult">GstDiscovererResult</a></td> 549</tr> 550<tr> 551<td class="datatype_keyword">enum</td> 552<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererSerializeFlags" title="enum GstDiscovererSerializeFlags">GstDiscovererSerializeFlags</a></td> 553</tr> 554<tr> 555<td class="datatype_keyword"> </td> 556<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo">GstDiscovererStreamInfo</a></td> 557</tr> 558<tr> 559<td class="datatype_keyword"> </td> 560<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererContainerInfo" title="GstDiscovererContainerInfo">GstDiscovererContainerInfo</a></td> 561</tr> 562<tr> 563<td class="datatype_keyword"> </td> 564<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo">GstDiscovererAudioInfo</a></td> 565</tr> 566<tr> 567<td class="datatype_keyword"> </td> 568<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo">GstDiscovererVideoInfo</a></td> 569</tr> 570<tr> 571<td class="datatype_keyword"> </td> 572<td class="function_name"><a class="link" href="GstDiscoverer.html#GstDiscovererSubtitleInfo" title="GstDiscovererSubtitleInfo">GstDiscovererSubtitleInfo</a></td> 573</tr> 574</tbody> 575</table></div> 576</div> 577<div class="refsect1"> 578<a name="GstDiscoverer.object-hierarchy"></a><h2>Object Hierarchy</h2> 579<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-Enumeration-and-Flag-Types.html">GFlags</a> 580 <span class="lineart">╰──</span> GstDiscovererSerializeFlags 581 <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 582 <span class="lineart">├──</span> GstDiscoverer 583 <span class="lineart">╰──</span> GstDiscovererInfo 584</pre> 585</div> 586<div class="refsect1"> 587<a name="GstDiscoverer.includes"></a><h2>Includes</h2> 588<pre class="synopsis">#include <gst/pbutils/pbutils.h> 589</pre> 590</div> 591<div class="refsect1"> 592<a name="GstDiscoverer.description"></a><h2>Description</h2> 593<p>The <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> is a utility object which allows to get as much 594information as possible from one or many URIs.</p> 595<p>It provides two APIs, allowing usage in blocking or non-blocking mode.</p> 596<p>The blocking mode just requires calling <a class="link" href="GstDiscoverer.html#gst-discoverer-discover-uri" title="gst_discoverer_discover_uri ()"><code class="function">gst_discoverer_discover_uri()</code></a> 597with the URI one wishes to discover.</p> 598<p>The non-blocking mode requires a running <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainLoop"><span class="type">GMainLoop</span></a> iterating a 599<a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainContext"><span class="type">GMainContext</span></a>, where one connects to the various signals, appends the 600URIs to be processed (through <a class="link" href="GstDiscoverer.html#gst-discoverer-discover-uri-async" title="gst_discoverer_discover_uri_async ()"><code class="function">gst_discoverer_discover_uri_async()</code></a>) and then 601asks for the discovery to begin (through <a class="link" href="GstDiscoverer.html#gst-discoverer-start" title="gst_discoverer_start ()"><code class="function">gst_discoverer_start()</code></a>). 602By default this will use the GLib default main context unless you have 603set a custom context using <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#g-main-context-push-thread-default"><code class="function">g_main_context_push_thread_default()</code></a>.</p> 604<p>All the information is returned in a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> structure.</p> 605</div> 606<div class="refsect1"> 607<a name="GstDiscoverer.functions_details"></a><h2>Functions</h2> 608<div class="refsect2"> 609<a name="gst-discoverer-new"></a><h3>gst_discoverer_new ()</h3> 610<pre class="programlisting"><a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="returnvalue">GstDiscoverer</span></a> * 611gst_discoverer_new (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> timeout</code></em>, 612 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **err</code></em>);</pre> 613<p>Creates a new <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> with the provided timeout.</p> 614<div class="refsect3"> 615<a name="gst-discoverer-new.parameters"></a><h4>Parameters</h4> 616<div class="informaltable"><table class="informaltable" width="100%" border="0"> 617<colgroup> 618<col width="150px" class="parameters_name"> 619<col class="parameters_description"> 620<col width="200px" class="parameters_annotations"> 621</colgroup> 622<tbody> 623<tr> 624<td class="parameter_name"><p>timeout</p></td> 625<td class="parameter_description"><p>timeout per file, in nanoseconds. Allowed are values between 626one second (<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstClock.html#GST-SECOND:CAPS"><span class="type">GST_SECOND</span></a>) and one hour (3600 * <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstClock.html#GST-SECOND:CAPS"><span class="type">GST_SECOND</span></a>)</p></td> 627<td class="parameter_annotations"> </td> 628</tr> 629<tr> 630<td class="parameter_name"><p>err</p></td> 631<td class="parameter_description"><p>a pointer to a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>. can be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td> 632<td class="parameter_annotations"> </td> 633</tr> 634</tbody> 635</table></div> 636</div> 637<div class="refsect3"> 638<a name="gst-discoverer-new.returns"></a><h4>Returns</h4> 639<p>The new <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a>. 640If an error occurred when creating the discoverer, <em class="parameter"><code>err</code></em> 641will be set 642accordingly and <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> will be returned. If <em class="parameter"><code>err</code></em> 643is set, the caller must 644free it when no longer needed using <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#g-error-free"><code class="function">g_error_free()</code></a>. </p> 645<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 646</div> 647</div> 648<hr> 649<div class="refsect2"> 650<a name="gst-discoverer-start"></a><h3>gst_discoverer_start ()</h3> 651<pre class="programlisting"><span class="returnvalue">void</span> 652gst_discoverer_start (<em class="parameter"><code><a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer</code></em>);</pre> 653<p>Allow asynchronous discovering of URIs to take place. 654A <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainLoop"><span class="type">GMainLoop</span></a> must be available for <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> to properly work in 655asynchronous mode.</p> 656<div class="refsect3"> 657<a name="gst-discoverer-start.parameters"></a><h4>Parameters</h4> 658<div class="informaltable"><table class="informaltable" width="100%" border="0"> 659<colgroup> 660<col width="150px" class="parameters_name"> 661<col class="parameters_description"> 662<col width="200px" class="parameters_annotations"> 663</colgroup> 664<tbody><tr> 665<td class="parameter_name"><p>discoverer</p></td> 666<td class="parameter_description"><p>A <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 667<td class="parameter_annotations"> </td> 668</tr></tbody> 669</table></div> 670</div> 671</div> 672<hr> 673<div class="refsect2"> 674<a name="gst-discoverer-stop"></a><h3>gst_discoverer_stop ()</h3> 675<pre class="programlisting"><span class="returnvalue">void</span> 676gst_discoverer_stop (<em class="parameter"><code><a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer</code></em>);</pre> 677<p>Stop the discovery of any pending URIs and clears the list of 678pending URIS (if any).</p> 679<div class="refsect3"> 680<a name="gst-discoverer-stop.parameters"></a><h4>Parameters</h4> 681<div class="informaltable"><table class="informaltable" width="100%" border="0"> 682<colgroup> 683<col width="150px" class="parameters_name"> 684<col class="parameters_description"> 685<col width="200px" class="parameters_annotations"> 686</colgroup> 687<tbody><tr> 688<td class="parameter_name"><p>discoverer</p></td> 689<td class="parameter_description"><p>A <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 690<td class="parameter_annotations"> </td> 691</tr></tbody> 692</table></div> 693</div> 694</div> 695<hr> 696<div class="refsect2"> 697<a name="gst-discoverer-discover-uri"></a><h3>gst_discoverer_discover_uri ()</h3> 698<pre class="programlisting"><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="returnvalue">GstDiscovererInfo</span></a> * 699gst_discoverer_discover_uri (<em class="parameter"><code><a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer</code></em>, 700 <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *uri</code></em>, 701 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **err</code></em>);</pre> 702<p>Synchronously discovers the given <em class="parameter"><code>uri</code></em> 703.</p> 704<p>A copy of <em class="parameter"><code>uri</code></em> 705 will be made internally, so the caller can safely <a href="/usr/share/gtk-doc/html/glib/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a> 706afterwards.</p> 707<div class="refsect3"> 708<a name="gst-discoverer-discover-uri.parameters"></a><h4>Parameters</h4> 709<div class="informaltable"><table class="informaltable" width="100%" border="0"> 710<colgroup> 711<col width="150px" class="parameters_name"> 712<col class="parameters_description"> 713<col width="200px" class="parameters_annotations"> 714</colgroup> 715<tbody> 716<tr> 717<td class="parameter_name"><p>discoverer</p></td> 718<td class="parameter_description"><p>A <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 719<td class="parameter_annotations"> </td> 720</tr> 721<tr> 722<td class="parameter_name"><p>uri</p></td> 723<td class="parameter_description"><p>The URI to run on.</p></td> 724<td class="parameter_annotations"> </td> 725</tr> 726<tr> 727<td class="parameter_name"><p>err</p></td> 728<td class="parameter_description"><p>If an error occurred, this field will be filled in. </p></td> 729<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> 730</tr> 731</tbody> 732</table></div> 733</div> 734<div class="refsect3"> 735<a name="gst-discoverer-discover-uri.returns"></a><h4>Returns</h4> 736<p>the result of the scanning. Can be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if an 737error occurred. </p> 738<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 739</div> 740</div> 741<hr> 742<div class="refsect2"> 743<a name="gst-discoverer-discover-uri-async"></a><h3>gst_discoverer_discover_uri_async ()</h3> 744<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 745gst_discoverer_discover_uri_async (<em class="parameter"><code><a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer</code></em>, 746 <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *uri</code></em>);</pre> 747<p>Appends the given <em class="parameter"><code>uri</code></em> 748 to the list of URIs to discoverer. The actual 749discovery of the <em class="parameter"><code>uri</code></em> 750 will only take place if <a class="link" href="GstDiscoverer.html#gst-discoverer-start" title="gst_discoverer_start ()"><code class="function">gst_discoverer_start()</code></a> has 751been called.</p> 752<p>A copy of <em class="parameter"><code>uri</code></em> 753 will be made internally, so the caller can safely <a href="/usr/share/gtk-doc/html/glib/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a> 754afterwards.</p> 755<div class="refsect3"> 756<a name="gst-discoverer-discover-uri-async.parameters"></a><h4>Parameters</h4> 757<div class="informaltable"><table class="informaltable" width="100%" border="0"> 758<colgroup> 759<col width="150px" class="parameters_name"> 760<col class="parameters_description"> 761<col width="200px" class="parameters_annotations"> 762</colgroup> 763<tbody> 764<tr> 765<td class="parameter_name"><p>discoverer</p></td> 766<td class="parameter_description"><p>A <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 767<td class="parameter_annotations"> </td> 768</tr> 769<tr> 770<td class="parameter_name"><p>uri</p></td> 771<td class="parameter_description"><p>the URI to add.</p></td> 772<td class="parameter_annotations"> </td> 773</tr> 774</tbody> 775</table></div> 776</div> 777<div class="refsect3"> 778<a name="gst-discoverer-discover-uri-async.returns"></a><h4>Returns</h4> 779<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the <em class="parameter"><code>uri</code></em> 780was successfully appended to the list of pending 781uris, else <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a></p> 782</div> 783</div> 784<hr> 785<div class="refsect2"> 786<a name="gst-discoverer-info-get-duration"></a><h3>gst_discoverer_info_get_duration ()</h3> 787<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a> 788gst_discoverer_info_get_duration (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 789<div class="refsect3"> 790<a name="gst-discoverer-info-get-duration.parameters"></a><h4>Parameters</h4> 791<div class="informaltable"><table class="informaltable" width="100%" border="0"> 792<colgroup> 793<col width="150px" class="parameters_name"> 794<col class="parameters_description"> 795<col width="200px" class="parameters_annotations"> 796</colgroup> 797<tbody><tr> 798<td class="parameter_name"><p>info</p></td> 799<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 800<td class="parameter_annotations"> </td> 801</tr></tbody> 802</table></div> 803</div> 804<div class="refsect3"> 805<a name="gst-discoverer-info-get-duration.returns"></a><h4>Returns</h4> 806<p> the duration of the URI in <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> (nanoseconds).</p> 807</div> 808</div> 809<hr> 810<div class="refsect2"> 811<a name="gst-discoverer-info-get-misc"></a><h3>gst_discoverer_info_get_misc ()</h3> 812<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="returnvalue">GstStructure</span></a> * 813gst_discoverer_info_get_misc (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 814<div class="warning"> 815<p><code class="literal">gst_discoverer_info_get_misc</code> is deprecated and should not be used in newly-written code.</p> 816<p>This functions is deprecated since version 1.4, use 817<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-missing-elements-installer-details" title="gst_discoverer_info_get_missing_elements_installer_details ()"><span class="type">gst_discoverer_info_get_missing_elements_installer_details</span></a></p> 818</div> 819<div class="refsect3"> 820<a name="gst-discoverer-info-get-misc.parameters"></a><h4>Parameters</h4> 821<div class="informaltable"><table class="informaltable" width="100%" border="0"> 822<colgroup> 823<col width="150px" class="parameters_name"> 824<col class="parameters_description"> 825<col width="200px" class="parameters_annotations"> 826</colgroup> 827<tbody><tr> 828<td class="parameter_name"><p>info</p></td> 829<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 830<td class="parameter_annotations"> </td> 831</tr></tbody> 832</table></div> 833</div> 834<div class="refsect3"> 835<a name="gst-discoverer-info-get-misc.returns"></a><h4>Returns</h4> 836<p>Miscellaneous information stored as a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="type">GstStructure</span></a> 837(for example: information about missing plugins). If you wish to use the 838<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="type">GstStructure</span></a> after the life-time of <em class="parameter"><code>info</code></em> 839, you will need to copy it. </p> 840<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 841</div> 842</div> 843<hr> 844<div class="refsect2"> 845<a name="gst-discoverer-info-get-result"></a><h3>gst_discoverer_info_get_result ()</h3> 846<pre class="programlisting"><a class="link" href="GstDiscoverer.html#GstDiscovererResult" title="enum GstDiscovererResult"><span class="returnvalue">GstDiscovererResult</span></a> 847gst_discoverer_info_get_result (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 848<div class="refsect3"> 849<a name="gst-discoverer-info-get-result.parameters"></a><h4>Parameters</h4> 850<div class="informaltable"><table class="informaltable" width="100%" border="0"> 851<colgroup> 852<col width="150px" class="parameters_name"> 853<col class="parameters_description"> 854<col width="200px" class="parameters_annotations"> 855</colgroup> 856<tbody><tr> 857<td class="parameter_name"><p>info</p></td> 858<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 859<td class="parameter_annotations"> </td> 860</tr></tbody> 861</table></div> 862</div> 863<div class="refsect3"> 864<a name="gst-discoverer-info-get-result.returns"></a><h4>Returns</h4> 865<p> the result of the discovery as a <a class="link" href="GstDiscoverer.html#GstDiscovererResult" title="enum GstDiscovererResult"><span class="type">GstDiscovererResult</span></a>.</p> 866</div> 867</div> 868<hr> 869<div class="refsect2"> 870<a name="gst-discoverer-info-get-stream-info"></a><h3>gst_discoverer_info_get_stream_info ()</h3> 871<pre class="programlisting"><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="returnvalue">GstDiscovererStreamInfo</span></a> * 872gst_discoverer_info_get_stream_info (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 873<div class="refsect3"> 874<a name="gst-discoverer-info-get-stream-info.parameters"></a><h4>Parameters</h4> 875<div class="informaltable"><table class="informaltable" width="100%" border="0"> 876<colgroup> 877<col width="150px" class="parameters_name"> 878<col class="parameters_description"> 879<col width="200px" class="parameters_annotations"> 880</colgroup> 881<tbody><tr> 882<td class="parameter_name"><p>info</p></td> 883<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 884<td class="parameter_annotations"> </td> 885</tr></tbody> 886</table></div> 887</div> 888<div class="refsect3"> 889<a name="gst-discoverer-info-get-stream-info.returns"></a><h4>Returns</h4> 890<p>the structure (or topology) of the URI as a 891<a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a>. 892This structure can be traversed to see the original hierarchy. Unref with 893<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-unref" title="gst_discoverer_stream_info_unref()"><code class="function">gst_discoverer_stream_info_unref()</code></a> after usage. </p> 894<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 895</div> 896</div> 897<hr> 898<div class="refsect2"> 899<a name="gst-discoverer-info-get-stream-list"></a><h3>gst_discoverer_info_get_stream_list ()</h3> 900<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 901gst_discoverer_info_get_stream_list (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 902<div class="refsect3"> 903<a name="gst-discoverer-info-get-stream-list.parameters"></a><h4>Parameters</h4> 904<div class="informaltable"><table class="informaltable" width="100%" border="0"> 905<colgroup> 906<col width="150px" class="parameters_name"> 907<col class="parameters_description"> 908<col width="200px" class="parameters_annotations"> 909</colgroup> 910<tbody><tr> 911<td class="parameter_name"><p>info</p></td> 912<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 913<td class="parameter_annotations"> </td> 914</tr></tbody> 915</table></div> 916</div> 917<div class="refsect3"> 918<a name="gst-discoverer-info-get-stream-list.returns"></a><h4>Returns</h4> 919<p>the list of 920all streams contained in the <span class="type">info</span>. Free after usage 921with <a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()"><code class="function">gst_discoverer_stream_info_list_free()</code></a>. </p> 922<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> GstPbutils.DiscovererStreamInfo]</span></p> 923</div> 924</div> 925<hr> 926<div class="refsect2"> 927<a name="gst-discoverer-info-get-tags"></a><h3>gst_discoverer_info_get_tags ()</h3> 928<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * 929gst_discoverer_info_get_tags (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 930<div class="refsect3"> 931<a name="gst-discoverer-info-get-tags.parameters"></a><h4>Parameters</h4> 932<div class="informaltable"><table class="informaltable" width="100%" border="0"> 933<colgroup> 934<col width="150px" class="parameters_name"> 935<col class="parameters_description"> 936<col width="200px" class="parameters_annotations"> 937</colgroup> 938<tbody><tr> 939<td class="parameter_name"><p>info</p></td> 940<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 941<td class="parameter_annotations"> </td> 942</tr></tbody> 943</table></div> 944</div> 945<div class="refsect3"> 946<a name="gst-discoverer-info-get-tags.returns"></a><h4>Returns</h4> 947<p>all tags contained in the URI. If you wish to use 948the tags after the life-time of <em class="parameter"><code>info</code></em> 949, you will need to copy them. </p> 950<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 951</div> 952</div> 953<hr> 954<div class="refsect2"> 955<a name="gst-discoverer-info-get-toc"></a><h3>gst_discoverer_info_get_toc ()</h3> 956<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstToc.html#GstToc-struct"><span class="returnvalue">GstToc</span></a> * 957gst_discoverer_info_get_toc (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 958<div class="refsect3"> 959<a name="gst-discoverer-info-get-toc.parameters"></a><h4>Parameters</h4> 960<div class="informaltable"><table class="informaltable" width="100%" border="0"> 961<colgroup> 962<col width="150px" class="parameters_name"> 963<col class="parameters_description"> 964<col width="200px" class="parameters_annotations"> 965</colgroup> 966<tbody><tr> 967<td class="parameter_name"><p>info</p></td> 968<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 969<td class="parameter_annotations"> </td> 970</tr></tbody> 971</table></div> 972</div> 973<div class="refsect3"> 974<a name="gst-discoverer-info-get-toc.returns"></a><h4>Returns</h4> 975<p>TOC contained in the URI. If you wish to use 976the TOC after the life-time of <em class="parameter"><code>info</code></em> 977, you will need to copy it. </p> 978<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 979</div> 980</div> 981<hr> 982<div class="refsect2"> 983<a name="gst-discoverer-info-get-uri"></a><h3>gst_discoverer_info_get_uri ()</h3> 984<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 985gst_discoverer_info_get_uri (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 986<div class="refsect3"> 987<a name="gst-discoverer-info-get-uri.parameters"></a><h4>Parameters</h4> 988<div class="informaltable"><table class="informaltable" width="100%" border="0"> 989<colgroup> 990<col width="150px" class="parameters_name"> 991<col class="parameters_description"> 992<col width="200px" class="parameters_annotations"> 993</colgroup> 994<tbody><tr> 995<td class="parameter_name"><p>info</p></td> 996<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 997<td class="parameter_annotations"> </td> 998</tr></tbody> 999</table></div> 1000</div> 1001<div class="refsect3"> 1002<a name="gst-discoverer-info-get-uri.returns"></a><h4>Returns</h4> 1003<p>the URI to which this information corresponds to. 1004Copy it if you wish to use it after the life-time of <em class="parameter"><code>info</code></em> 1005. </p> 1006<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 1007</div> 1008</div> 1009<hr> 1010<div class="refsect2"> 1011<a name="gst-discoverer-info-get-seekable"></a><h3>gst_discoverer_info_get_seekable ()</h3> 1012<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 1013gst_discoverer_info_get_seekable (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 1014<div class="refsect3"> 1015<a name="gst-discoverer-info-get-seekable.parameters"></a><h4>Parameters</h4> 1016<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1017<colgroup> 1018<col width="150px" class="parameters_name"> 1019<col class="parameters_description"> 1020<col width="200px" class="parameters_annotations"> 1021</colgroup> 1022<tbody><tr> 1023<td class="parameter_name"><p>info</p></td> 1024<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1025<td class="parameter_annotations"> </td> 1026</tr></tbody> 1027</table></div> 1028</div> 1029<div class="refsect3"> 1030<a name="gst-discoverer-info-get-seekable.returns"></a><h4>Returns</h4> 1031<p> the whether the URI is seekable.</p> 1032</div> 1033</div> 1034<hr> 1035<div class="refsect2"> 1036<a name="gst-discoverer-info-get-live"></a><h3>gst_discoverer_info_get_live ()</h3> 1037<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 1038gst_discoverer_info_get_live (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 1039<div class="refsect3"> 1040<a name="gst-discoverer-info-get-live.parameters"></a><h4>Parameters</h4> 1041<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1042<colgroup> 1043<col width="150px" class="parameters_name"> 1044<col class="parameters_description"> 1045<col width="200px" class="parameters_annotations"> 1046</colgroup> 1047<tbody><tr> 1048<td class="parameter_name"><p>info</p></td> 1049<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1050<td class="parameter_annotations"> </td> 1051</tr></tbody> 1052</table></div> 1053</div> 1054<div class="refsect3"> 1055<a name="gst-discoverer-info-get-live.returns"></a><h4>Returns</h4> 1056<p> whether the URI is live.</p> 1057</div> 1058<p class="since">Since: <a class="link" href="ix04.html#api-index-1.14">1.14</a></p> 1059</div> 1060<hr> 1061<div class="refsect2"> 1062<a name="gst-discoverer-info-ref"></a><h3>gst_discoverer_info_ref()</h3> 1063<pre class="programlisting">#define gst_discoverer_info_ref(info) (g_object_ref((GObject*)info)) 1064</pre> 1065<p>Increments the reference count of <em class="parameter"><code>info</code></em> 1066.</p> 1067<div class="refsect3"> 1068<a name="gst-discoverer-info-ref.parameters"></a><h4>Parameters</h4> 1069<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1070<colgroup> 1071<col width="150px" class="parameters_name"> 1072<col class="parameters_description"> 1073<col width="200px" class="parameters_annotations"> 1074</colgroup> 1075<tbody><tr> 1076<td class="parameter_name"><p>info</p></td> 1077<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1078<td class="parameter_annotations"> </td> 1079</tr></tbody> 1080</table></div> 1081</div> 1082<div class="refsect3"> 1083<a name="gst-discoverer-info-ref.returns"></a><h4>Returns</h4> 1084<p> the same <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> object</p> 1085</div> 1086</div> 1087<hr> 1088<div class="refsect2"> 1089<a name="gst-discoverer-info-unref"></a><h3>gst_discoverer_info_unref()</h3> 1090<pre class="programlisting">#define gst_discoverer_info_unref(info) (g_object_unref((GObject*)info)) 1091</pre> 1092<p>Decrements the reference count of <em class="parameter"><code>info</code></em> 1093.</p> 1094<div class="refsect3"> 1095<a name="gst-discoverer-info-unref.parameters"></a><h4>Parameters</h4> 1096<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1097<colgroup> 1098<col width="150px" class="parameters_name"> 1099<col class="parameters_description"> 1100<col width="200px" class="parameters_annotations"> 1101</colgroup> 1102<tbody><tr> 1103<td class="parameter_name"><p>info</p></td> 1104<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1105<td class="parameter_annotations"> </td> 1106</tr></tbody> 1107</table></div> 1108</div> 1109</div> 1110<hr> 1111<div class="refsect2"> 1112<a name="gst-discoverer-info-to-variant"></a><h3>gst_discoverer_info_to_variant ()</h3> 1113<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * 1114gst_discoverer_info_to_variant (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>, 1115 <em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererSerializeFlags" title="enum GstDiscovererSerializeFlags"><span class="type">GstDiscovererSerializeFlags</span></a> flags</code></em>);</pre> 1116<p>Serializes <em class="parameter"><code>info</code></em> 1117 to a <a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> that can be parsed again 1118through <a class="link" href="GstDiscoverer.html#gst-discoverer-info-from-variant" title="gst_discoverer_info_from_variant ()"><code class="function">gst_discoverer_info_from_variant()</code></a>.</p> 1119<p>Note that any <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstToc.html#GstToc-struct"><span class="type">GstToc</span></a> (s) that might have been discovered will not be serialized 1120for now.</p> 1121<div class="refsect3"> 1122<a name="gst-discoverer-info-to-variant.parameters"></a><h4>Parameters</h4> 1123<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1124<colgroup> 1125<col width="150px" class="parameters_name"> 1126<col class="parameters_description"> 1127<col width="200px" class="parameters_annotations"> 1128</colgroup> 1129<tbody> 1130<tr> 1131<td class="parameter_name"><p>info</p></td> 1132<td class="parameter_description"><p>A <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1133<td class="parameter_annotations"> </td> 1134</tr> 1135<tr> 1136<td class="parameter_name"><p>flags</p></td> 1137<td class="parameter_description"><p>A combination of <a class="link" href="GstDiscoverer.html#GstDiscovererSerializeFlags" title="enum GstDiscovererSerializeFlags"><span class="type">GstDiscovererSerializeFlags</span></a> to specify 1138what needs to be serialized.</p></td> 1139<td class="parameter_annotations"> </td> 1140</tr> 1141</tbody> 1142</table></div> 1143</div> 1144<div class="refsect3"> 1145<a name="gst-discoverer-info-to-variant.returns"></a><h4>Returns</h4> 1146<p>A newly-allocated <a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> representing <em class="parameter"><code>info</code></em> 1147. </p> 1148<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 1149</div> 1150<p class="since">Since: <a class="link" href="ix10.html#api-index-1.6">1.6</a></p> 1151</div> 1152<hr> 1153<div class="refsect2"> 1154<a name="gst-discoverer-info-from-variant"></a><h3>gst_discoverer_info_from_variant ()</h3> 1155<pre class="programlisting"><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="returnvalue">GstDiscovererInfo</span></a> * 1156gst_discoverer_info_from_variant (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *variant</code></em>);</pre> 1157<p>Parses a <a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> as produced by <a class="link" href="GstDiscoverer.html#gst-discoverer-info-to-variant" title="gst_discoverer_info_to_variant ()"><code class="function">gst_discoverer_info_to_variant()</code></a> 1158back to a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a>.</p> 1159<div class="refsect3"> 1160<a name="gst-discoverer-info-from-variant.parameters"></a><h4>Parameters</h4> 1161<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1162<colgroup> 1163<col width="150px" class="parameters_name"> 1164<col class="parameters_description"> 1165<col width="200px" class="parameters_annotations"> 1166</colgroup> 1167<tbody><tr> 1168<td class="parameter_name"><p>variant</p></td> 1169<td class="parameter_description"><p>A <a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> to deserialize into a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a>.</p></td> 1170<td class="parameter_annotations"> </td> 1171</tr></tbody> 1172</table></div> 1173</div> 1174<div class="refsect3"> 1175<a name="gst-discoverer-info-from-variant.returns"></a><h4>Returns</h4> 1176<p>A newly-allocated <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a>. </p> 1177<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 1178</div> 1179<p class="since">Since: <a class="link" href="ix10.html#api-index-1.6">1.6</a></p> 1180</div> 1181<hr> 1182<div class="refsect2"> 1183<a name="gst-discoverer-stream-info-get-caps"></a><h3>gst_discoverer_stream_info_get_caps ()</h3> 1184<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> * 1185gst_discoverer_stream_info_get_caps (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1186<div class="refsect3"> 1187<a name="gst-discoverer-stream-info-get-caps.parameters"></a><h4>Parameters</h4> 1188<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1189<colgroup> 1190<col width="150px" class="parameters_name"> 1191<col class="parameters_description"> 1192<col width="200px" class="parameters_annotations"> 1193</colgroup> 1194<tbody><tr> 1195<td class="parameter_name"><p>info</p></td> 1196<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1197<td class="parameter_annotations"> </td> 1198</tr></tbody> 1199</table></div> 1200</div> 1201<div class="refsect3"> 1202<a name="gst-discoverer-stream-info-get-caps.returns"></a><h4>Returns</h4> 1203<p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> of the stream. Unref with 1204<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstCaps.html#gst-caps-unref"><span class="type">gst_caps_unref</span></a> after usage. </p> 1205<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 1206</div> 1207</div> 1208<hr> 1209<div class="refsect2"> 1210<a name="gst-discoverer-stream-info-get-misc"></a><h3>gst_discoverer_stream_info_get_misc ()</h3> 1211<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="returnvalue">GstStructure</span></a> * 1212gst_discoverer_stream_info_get_misc (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1213<div class="warning"> 1214<p><code class="literal">gst_discoverer_stream_info_get_misc</code> is deprecated and should not be used in newly-written code.</p> 1215<p>This functions is deprecated since version 1.4, use 1216<a class="link" href="GstDiscoverer.html#gst-discoverer-info-get-missing-elements-installer-details" title="gst_discoverer_info_get_missing_elements_installer_details ()"><span class="type">gst_discoverer_info_get_missing_elements_installer_details</span></a></p> 1217</div> 1218<div class="refsect3"> 1219<a name="gst-discoverer-stream-info-get-misc.parameters"></a><h4>Parameters</h4> 1220<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1221<colgroup> 1222<col width="150px" class="parameters_name"> 1223<col class="parameters_description"> 1224<col width="200px" class="parameters_annotations"> 1225</colgroup> 1226<tbody><tr> 1227<td class="parameter_name"><p>info</p></td> 1228<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1229<td class="parameter_annotations"> </td> 1230</tr></tbody> 1231</table></div> 1232</div> 1233<div class="refsect3"> 1234<a name="gst-discoverer-stream-info-get-misc.returns"></a><h4>Returns</h4> 1235<p>additional information regarding the stream (for 1236example codec version, profile, etc..). If you wish to use the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="type">GstStructure</span></a> 1237after the life-time of <em class="parameter"><code>info</code></em> 1238you will need to copy it. </p> 1239<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 1240</div> 1241</div> 1242<hr> 1243<div class="refsect2"> 1244<a name="gst-discoverer-stream-info-get-next"></a><h3>gst_discoverer_stream_info_get_next ()</h3> 1245<pre class="programlisting"><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="returnvalue">GstDiscovererStreamInfo</span></a> * 1246gst_discoverer_stream_info_get_next (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1247<div class="refsect3"> 1248<a name="gst-discoverer-stream-info-get-next.parameters"></a><h4>Parameters</h4> 1249<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1250<colgroup> 1251<col width="150px" class="parameters_name"> 1252<col class="parameters_description"> 1253<col width="200px" class="parameters_annotations"> 1254</colgroup> 1255<tbody><tr> 1256<td class="parameter_name"><p>info</p></td> 1257<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1258<td class="parameter_annotations"> </td> 1259</tr></tbody> 1260</table></div> 1261</div> 1262<div class="refsect3"> 1263<a name="gst-discoverer-stream-info-get-next.returns"></a><h4>Returns</h4> 1264<p>the next <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> in a chain. <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> 1265for final streams. 1266Unref with <a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-unref" title="gst_discoverer_stream_info_unref()"><span class="type">gst_discoverer_stream_info_unref</span></a> after usage. </p> 1267<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 1268</div> 1269</div> 1270<hr> 1271<div class="refsect2"> 1272<a name="gst-discoverer-stream-info-get-previous"></a><h3>gst_discoverer_stream_info_get_previous ()</h3> 1273<pre class="programlisting"><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="returnvalue">GstDiscovererStreamInfo</span></a> * 1274gst_discoverer_stream_info_get_previous 1275 (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1276<div class="refsect3"> 1277<a name="gst-discoverer-stream-info-get-previous.parameters"></a><h4>Parameters</h4> 1278<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1279<colgroup> 1280<col width="150px" class="parameters_name"> 1281<col class="parameters_description"> 1282<col width="200px" class="parameters_annotations"> 1283</colgroup> 1284<tbody><tr> 1285<td class="parameter_name"><p>info</p></td> 1286<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1287<td class="parameter_annotations"> </td> 1288</tr></tbody> 1289</table></div> 1290</div> 1291<div class="refsect3"> 1292<a name="gst-discoverer-stream-info-get-previous.returns"></a><h4>Returns</h4> 1293<p>the previous <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> in a chain. 1294<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> for starting points. Unref with <a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-unref" title="gst_discoverer_stream_info_unref()"><span class="type">gst_discoverer_stream_info_unref</span></a> 1295after usage. </p> 1296<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> 1297</div> 1298</div> 1299<hr> 1300<div class="refsect2"> 1301<a name="gst-discoverer-stream-info-get-tags"></a><h3>gst_discoverer_stream_info_get_tags ()</h3> 1302<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstTagList.html#GstTagList-struct"><span class="returnvalue">GstTagList</span></a> * 1303gst_discoverer_stream_info_get_tags (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1304<div class="refsect3"> 1305<a name="gst-discoverer-stream-info-get-tags.parameters"></a><h4>Parameters</h4> 1306<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1307<colgroup> 1308<col width="150px" class="parameters_name"> 1309<col class="parameters_description"> 1310<col width="200px" class="parameters_annotations"> 1311</colgroup> 1312<tbody><tr> 1313<td class="parameter_name"><p>info</p></td> 1314<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1315<td class="parameter_annotations"> </td> 1316</tr></tbody> 1317</table></div> 1318</div> 1319<div class="refsect3"> 1320<a name="gst-discoverer-stream-info-get-tags.returns"></a><h4>Returns</h4> 1321<p>the tags contained in this stream. If you wish to 1322use the tags after the life-time of <em class="parameter"><code>info</code></em> 1323you will need to copy them. </p> 1324<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 1325</div> 1326</div> 1327<hr> 1328<div class="refsect2"> 1329<a name="gst-discoverer-stream-info-get-toc"></a><h3>gst_discoverer_stream_info_get_toc ()</h3> 1330<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstToc.html#GstToc-struct"><span class="returnvalue">GstToc</span></a> * 1331gst_discoverer_stream_info_get_toc (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1332<div class="refsect3"> 1333<a name="gst-discoverer-stream-info-get-toc.parameters"></a><h4>Parameters</h4> 1334<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1335<colgroup> 1336<col width="150px" class="parameters_name"> 1337<col class="parameters_description"> 1338<col width="200px" class="parameters_annotations"> 1339</colgroup> 1340<tbody><tr> 1341<td class="parameter_name"><p>info</p></td> 1342<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1343<td class="parameter_annotations"> </td> 1344</tr></tbody> 1345</table></div> 1346</div> 1347<div class="refsect3"> 1348<a name="gst-discoverer-stream-info-get-toc.returns"></a><h4>Returns</h4> 1349<p>the TOC contained in this stream. If you wish to 1350use the TOC after the life-time of <em class="parameter"><code>info</code></em> 1351you will need to copy it. </p> 1352<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 1353</div> 1354</div> 1355<hr> 1356<div class="refsect2"> 1357<a name="gst-discoverer-stream-info-get-stream-id"></a><h3>gst_discoverer_stream_info_get_stream_id ()</h3> 1358<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 1359gst_discoverer_stream_info_get_stream_id 1360 (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1361<div class="refsect3"> 1362<a name="gst-discoverer-stream-info-get-stream-id.parameters"></a><h4>Parameters</h4> 1363<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1364<colgroup> 1365<col width="150px" class="parameters_name"> 1366<col class="parameters_description"> 1367<col width="200px" class="parameters_annotations"> 1368</colgroup> 1369<tbody><tr> 1370<td class="parameter_name"><p>info</p></td> 1371<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1372<td class="parameter_annotations"> </td> 1373</tr></tbody> 1374</table></div> 1375</div> 1376<div class="refsect3"> 1377<a name="gst-discoverer-stream-info-get-stream-id.returns"></a><h4>Returns</h4> 1378<p>the stream ID of this stream. If you wish to 1379use the stream ID after the life-time of <em class="parameter"><code>info</code></em> 1380you will need to copy it. </p> 1381<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> 1382</div> 1383</div> 1384<hr> 1385<div class="refsect2"> 1386<a name="gst-discoverer-stream-info-ref"></a><h3>gst_discoverer_stream_info_ref()</h3> 1387<pre class="programlisting">#define gst_discoverer_stream_info_ref(info) ((GstDiscovererStreamInfo*) g_object_ref((GObject*) info)) 1388</pre> 1389<p>Increments the reference count of <em class="parameter"><code>info</code></em> 1390.</p> 1391<div class="refsect3"> 1392<a name="gst-discoverer-stream-info-ref.parameters"></a><h4>Parameters</h4> 1393<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1394<colgroup> 1395<col width="150px" class="parameters_name"> 1396<col class="parameters_description"> 1397<col width="200px" class="parameters_annotations"> 1398</colgroup> 1399<tbody><tr> 1400<td class="parameter_name"><p>info</p></td> 1401<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1402<td class="parameter_annotations"> </td> 1403</tr></tbody> 1404</table></div> 1405</div> 1406<div class="refsect3"> 1407<a name="gst-discoverer-stream-info-ref.returns"></a><h4>Returns</h4> 1408<p> the same <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> object</p> 1409</div> 1410</div> 1411<hr> 1412<div class="refsect2"> 1413<a name="gst-discoverer-stream-info-unref"></a><h3>gst_discoverer_stream_info_unref()</h3> 1414<pre class="programlisting">#define gst_discoverer_stream_info_unref(info) (g_object_unref((GObject*) info)) 1415</pre> 1416<p>Decrements the reference count of <em class="parameter"><code>info</code></em> 1417.</p> 1418<div class="refsect3"> 1419<a name="gst-discoverer-stream-info-unref.parameters"></a><h4>Parameters</h4> 1420<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1421<colgroup> 1422<col width="150px" class="parameters_name"> 1423<col class="parameters_description"> 1424<col width="200px" class="parameters_annotations"> 1425</colgroup> 1426<tbody><tr> 1427<td class="parameter_name"><p>info</p></td> 1428<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1429<td class="parameter_annotations"> </td> 1430</tr></tbody> 1431</table></div> 1432</div> 1433</div> 1434<hr> 1435<div class="refsect2"> 1436<a name="gst-discoverer-stream-info-list-free"></a><h3>gst_discoverer_stream_info_list_free ()</h3> 1437<pre class="programlisting"><span class="returnvalue">void</span> 1438gst_discoverer_stream_info_list_free (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *infos</code></em>);</pre> 1439<p>Decrements the reference count of all contained <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> 1440and fress the <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a>.</p> 1441<div class="refsect3"> 1442<a name="gst-discoverer-stream-info-list-free.parameters"></a><h4>Parameters</h4> 1443<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1444<colgroup> 1445<col width="150px" class="parameters_name"> 1446<col class="parameters_description"> 1447<col width="200px" class="parameters_annotations"> 1448</colgroup> 1449<tbody><tr> 1450<td class="parameter_name"><p>infos</p></td> 1451<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a>. </p></td> 1452<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GstPbutils.DiscovererStreamInfo]</span></td> 1453</tr></tbody> 1454</table></div> 1455</div> 1456</div> 1457<hr> 1458<div class="refsect2"> 1459<a name="gst-discoverer-stream-info-get-stream-type-nick"></a><h3>gst_discoverer_stream_info_get_stream_type_nick ()</h3> 1460<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 1461gst_discoverer_stream_info_get_stream_type_nick 1462 (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> *info</code></em>);</pre> 1463<div class="refsect3"> 1464<a name="gst-discoverer-stream-info-get-stream-type-nick.parameters"></a><h4>Parameters</h4> 1465<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1466<colgroup> 1467<col width="150px" class="parameters_name"> 1468<col class="parameters_description"> 1469<col width="200px" class="parameters_annotations"> 1470</colgroup> 1471<tbody><tr> 1472<td class="parameter_name"><p>info</p></td> 1473<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1474<td class="parameter_annotations"> </td> 1475</tr></tbody> 1476</table></div> 1477</div> 1478<div class="refsect3"> 1479<a name="gst-discoverer-stream-info-get-stream-type-nick.returns"></a><h4>Returns</h4> 1480<p> a human readable name for the stream type of the given <em class="parameter"><code>info</code></em> 1481(ex : "audio", 1482"container",...).</p> 1483</div> 1484</div> 1485<hr> 1486<div class="refsect2"> 1487<a name="gst-discoverer-info-get-missing-elements-installer-details"></a><h3>gst_discoverer_info_get_missing_elements_installer_details ()</h3> 1488<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** 1489gst_discoverer_info_get_missing_elements_installer_details 1490 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 1491<p>Get the installer details for missing elements</p> 1492<div class="refsect3"> 1493<a name="gst-discoverer-info-get-missing-elements-installer-details.parameters"></a><h4>Parameters</h4> 1494<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1495<colgroup> 1496<col width="150px" class="parameters_name"> 1497<col class="parameters_description"> 1498<col width="200px" class="parameters_annotations"> 1499</colgroup> 1500<tbody><tr> 1501<td class="parameter_name"><p>info</p></td> 1502<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> to retrieve installer detail 1503for the missing element</p></td> 1504<td class="parameter_annotations"> </td> 1505</tr></tbody> 1506</table></div> 1507</div> 1508<div class="refsect3"> 1509<a name="gst-discoverer-info-get-missing-elements-installer-details.returns"></a><h4>Returns</h4> 1510<p>An array of strings 1511containing informations about how to install the various missing elements 1512for <em class="parameter"><code>info</code></em> 1513to be usable. If you wish to use the strings after the life-time 1514of <em class="parameter"><code>info</code></em> 1515, you will need to copy them. </p> 1516<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></p> 1517</div> 1518<p class="since">Since: <a class="link" href="ix11.html#api-index-1.4">1.4</a></p> 1519</div> 1520<hr> 1521<div class="refsect2"> 1522<a name="gst-discoverer-info-get-audio-streams"></a><h3>gst_discoverer_info_get_audio_streams ()</h3> 1523<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 1524gst_discoverer_info_get_audio_streams (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 1525<p>Finds all the <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> contained in <em class="parameter"><code>info</code></em> 1526</p> 1527<div class="refsect3"> 1528<a name="gst-discoverer-info-get-audio-streams.parameters"></a><h4>Parameters</h4> 1529<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1530<colgroup> 1531<col width="150px" class="parameters_name"> 1532<col class="parameters_description"> 1533<col width="200px" class="parameters_annotations"> 1534</colgroup> 1535<tbody><tr> 1536<td class="parameter_name"><p>info</p></td> 1537<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1538<td class="parameter_annotations"> </td> 1539</tr></tbody> 1540</table></div> 1541</div> 1542<div class="refsect3"> 1543<a name="gst-discoverer-info-get-audio-streams.returns"></a><h4>Returns</h4> 1544<p>A <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of 1545matching <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a>. The caller should free it with 1546<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()"><code class="function">gst_discoverer_stream_info_list_free()</code></a>. </p> 1547<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> GstPbutils.DiscovererStreamInfo]</span></p> 1548</div> 1549</div> 1550<hr> 1551<div class="refsect2"> 1552<a name="gst-discoverer-info-get-container-streams"></a><h3>gst_discoverer_info_get_container_streams ()</h3> 1553<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 1554gst_discoverer_info_get_container_streams 1555 (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 1556<p>Finds all the <a class="link" href="GstDiscoverer.html#GstDiscovererContainerInfo" title="GstDiscovererContainerInfo"><span class="type">GstDiscovererContainerInfo</span></a> contained in <em class="parameter"><code>info</code></em> 1557</p> 1558<div class="refsect3"> 1559<a name="gst-discoverer-info-get-container-streams.parameters"></a><h4>Parameters</h4> 1560<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1561<colgroup> 1562<col width="150px" class="parameters_name"> 1563<col class="parameters_description"> 1564<col width="200px" class="parameters_annotations"> 1565</colgroup> 1566<tbody><tr> 1567<td class="parameter_name"><p>info</p></td> 1568<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1569<td class="parameter_annotations"> </td> 1570</tr></tbody> 1571</table></div> 1572</div> 1573<div class="refsect3"> 1574<a name="gst-discoverer-info-get-container-streams.returns"></a><h4>Returns</h4> 1575<p>A <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of 1576matching <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a>. The caller should free it with 1577<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()"><code class="function">gst_discoverer_stream_info_list_free()</code></a>. </p> 1578<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> GstPbutils.DiscovererStreamInfo]</span></p> 1579</div> 1580</div> 1581<hr> 1582<div class="refsect2"> 1583<a name="gst-discoverer-info-get-streams"></a><h3>gst_discoverer_info_get_streams ()</h3> 1584<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 1585gst_discoverer_info_get_streams (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>, 1586 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> streamtype</code></em>);</pre> 1587<p>Finds the <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> contained in <em class="parameter"><code>info</code></em> 1588 that match the 1589given <em class="parameter"><code>streamtype</code></em> 1590.</p> 1591<div class="refsect3"> 1592<a name="gst-discoverer-info-get-streams.parameters"></a><h4>Parameters</h4> 1593<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1594<colgroup> 1595<col width="150px" class="parameters_name"> 1596<col class="parameters_description"> 1597<col width="200px" class="parameters_annotations"> 1598</colgroup> 1599<tbody> 1600<tr> 1601<td class="parameter_name"><p>info</p></td> 1602<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1603<td class="parameter_annotations"> </td> 1604</tr> 1605<tr> 1606<td class="parameter_name"><p>streamtype</p></td> 1607<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> derived from <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1608<td class="parameter_annotations"> </td> 1609</tr> 1610</tbody> 1611</table></div> 1612</div> 1613<div class="refsect3"> 1614<a name="gst-discoverer-info-get-streams.returns"></a><h4>Returns</h4> 1615<p>A <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of 1616matching <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a>. The caller should free it with 1617<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()"><code class="function">gst_discoverer_stream_info_list_free()</code></a>. </p> 1618<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> GstPbutils.DiscovererStreamInfo]</span></p> 1619</div> 1620</div> 1621<hr> 1622<div class="refsect2"> 1623<a name="gst-discoverer-info-get-subtitle-streams"></a><h3>gst_discoverer_info_get_subtitle_streams ()</h3> 1624<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 1625gst_discoverer_info_get_subtitle_streams 1626 (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 1627<p>Finds all the <a class="link" href="GstDiscoverer.html#GstDiscovererSubtitleInfo" title="GstDiscovererSubtitleInfo"><span class="type">GstDiscovererSubtitleInfo</span></a> contained in <em class="parameter"><code>info</code></em> 1628</p> 1629<div class="refsect3"> 1630<a name="gst-discoverer-info-get-subtitle-streams.parameters"></a><h4>Parameters</h4> 1631<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1632<colgroup> 1633<col width="150px" class="parameters_name"> 1634<col class="parameters_description"> 1635<col width="200px" class="parameters_annotations"> 1636</colgroup> 1637<tbody><tr> 1638<td class="parameter_name"><p>info</p></td> 1639<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1640<td class="parameter_annotations"> </td> 1641</tr></tbody> 1642</table></div> 1643</div> 1644<div class="refsect3"> 1645<a name="gst-discoverer-info-get-subtitle-streams.returns"></a><h4>Returns</h4> 1646<p>A <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of 1647matching <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a>. The caller should free it with 1648<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()"><code class="function">gst_discoverer_stream_info_list_free()</code></a>. </p> 1649<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> GstPbutils.DiscovererStreamInfo]</span></p> 1650</div> 1651</div> 1652<hr> 1653<div class="refsect2"> 1654<a name="gst-discoverer-info-get-video-streams"></a><h3>gst_discoverer_info_get_video_streams ()</h3> 1655<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 1656gst_discoverer_info_get_video_streams (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info</code></em>);</pre> 1657<p>Finds all the <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> contained in <em class="parameter"><code>info</code></em> 1658</p> 1659<div class="refsect3"> 1660<a name="gst-discoverer-info-get-video-streams.parameters"></a><h4>Parameters</h4> 1661<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1662<colgroup> 1663<col width="150px" class="parameters_name"> 1664<col class="parameters_description"> 1665<col width="200px" class="parameters_annotations"> 1666</colgroup> 1667<tbody><tr> 1668<td class="parameter_name"><p>info</p></td> 1669<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 1670<td class="parameter_annotations"> </td> 1671</tr></tbody> 1672</table></div> 1673</div> 1674<div class="refsect3"> 1675<a name="gst-discoverer-info-get-video-streams.returns"></a><h4>Returns</h4> 1676<p>A <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of 1677matching <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a>. The caller should free it with 1678<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()"><code class="function">gst_discoverer_stream_info_list_free()</code></a>. </p> 1679<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> GstPbutils.DiscovererStreamInfo]</span></p> 1680</div> 1681</div> 1682<hr> 1683<div class="refsect2"> 1684<a name="gst-discoverer-audio-info-get-bitrate"></a><h3>gst_discoverer_audio_info_get_bitrate ()</h3> 1685<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1686gst_discoverer_audio_info_get_bitrate (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> *info</code></em>);</pre> 1687<div class="refsect3"> 1688<a name="gst-discoverer-audio-info-get-bitrate.parameters"></a><h4>Parameters</h4> 1689<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1690<colgroup> 1691<col width="150px" class="parameters_name"> 1692<col class="parameters_description"> 1693<col width="200px" class="parameters_annotations"> 1694</colgroup> 1695<tbody><tr> 1696<td class="parameter_name"><p>info</p></td> 1697<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a></p></td> 1698<td class="parameter_annotations"> </td> 1699</tr></tbody> 1700</table></div> 1701</div> 1702<div class="refsect3"> 1703<a name="gst-discoverer-audio-info-get-bitrate.returns"></a><h4>Returns</h4> 1704<p> the average or nominal bitrate of the stream in bits/second.</p> 1705</div> 1706</div> 1707<hr> 1708<div class="refsect2"> 1709<a name="gst-discoverer-audio-info-get-channels"></a><h3>gst_discoverer_audio_info_get_channels ()</h3> 1710<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1711gst_discoverer_audio_info_get_channels 1712 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> *info</code></em>);</pre> 1713<div class="refsect3"> 1714<a name="gst-discoverer-audio-info-get-channels.parameters"></a><h4>Parameters</h4> 1715<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1716<colgroup> 1717<col width="150px" class="parameters_name"> 1718<col class="parameters_description"> 1719<col width="200px" class="parameters_annotations"> 1720</colgroup> 1721<tbody><tr> 1722<td class="parameter_name"><p>info</p></td> 1723<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a></p></td> 1724<td class="parameter_annotations"> </td> 1725</tr></tbody> 1726</table></div> 1727</div> 1728<div class="refsect3"> 1729<a name="gst-discoverer-audio-info-get-channels.returns"></a><h4>Returns</h4> 1730<p> the number of channels in the stream.</p> 1731</div> 1732</div> 1733<hr> 1734<div class="refsect2"> 1735<a name="gst-discoverer-audio-info-get-channel-mask"></a><h3>gst_discoverer_audio_info_get_channel_mask ()</h3> 1736<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="returnvalue">guint64</span></a> 1737gst_discoverer_audio_info_get_channel_mask 1738 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> *info</code></em>);</pre> 1739<div class="refsect3"> 1740<a name="gst-discoverer-audio-info-get-channel-mask.parameters"></a><h4>Parameters</h4> 1741<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1742<colgroup> 1743<col width="150px" class="parameters_name"> 1744<col class="parameters_description"> 1745<col width="200px" class="parameters_annotations"> 1746</colgroup> 1747<tbody><tr> 1748<td class="parameter_name"><p>info</p></td> 1749<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a></p></td> 1750<td class="parameter_annotations"> </td> 1751</tr></tbody> 1752</table></div> 1753</div> 1754<div class="refsect3"> 1755<a name="gst-discoverer-audio-info-get-channel-mask.returns"></a><h4>Returns</h4> 1756<p> the channel-mask of the stream, refer to 1757<a class="link" href="gst-plugins-base-libs-Audio-channels.html#gst-audio-channel-positions-from-mask" title="gst_audio_channel_positions_from_mask ()"><code class="function">gst_audio_channel_positions_from_mask()</code></a> for more 1758information.</p> 1759</div> 1760<p class="since">Since: <a class="link" href="ix04.html#api-index-1.14">1.14</a></p> 1761</div> 1762<hr> 1763<div class="refsect2"> 1764<a name="gst-discoverer-audio-info-get-depth"></a><h3>gst_discoverer_audio_info_get_depth ()</h3> 1765<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1766gst_discoverer_audio_info_get_depth (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> *info</code></em>);</pre> 1767<div class="refsect3"> 1768<a name="gst-discoverer-audio-info-get-depth.parameters"></a><h4>Parameters</h4> 1769<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1770<colgroup> 1771<col width="150px" class="parameters_name"> 1772<col class="parameters_description"> 1773<col width="200px" class="parameters_annotations"> 1774</colgroup> 1775<tbody><tr> 1776<td class="parameter_name"><p>info</p></td> 1777<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a></p></td> 1778<td class="parameter_annotations"> </td> 1779</tr></tbody> 1780</table></div> 1781</div> 1782<div class="refsect3"> 1783<a name="gst-discoverer-audio-info-get-depth.returns"></a><h4>Returns</h4> 1784<p> the number of bits used per sample in each channel.</p> 1785</div> 1786</div> 1787<hr> 1788<div class="refsect2"> 1789<a name="gst-discoverer-audio-info-get-language"></a><h3>gst_discoverer_audio_info_get_language ()</h3> 1790<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 1791gst_discoverer_audio_info_get_language 1792 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> *info</code></em>);</pre> 1793<div class="refsect3"> 1794<a name="gst-discoverer-audio-info-get-language.parameters"></a><h4>Parameters</h4> 1795<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1796<colgroup> 1797<col width="150px" class="parameters_name"> 1798<col class="parameters_description"> 1799<col width="200px" class="parameters_annotations"> 1800</colgroup> 1801<tbody><tr> 1802<td class="parameter_name"><p>info</p></td> 1803<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a></p></td> 1804<td class="parameter_annotations"> </td> 1805</tr></tbody> 1806</table></div> 1807</div> 1808<div class="refsect3"> 1809<a name="gst-discoverer-audio-info-get-language.returns"></a><h4>Returns</h4> 1810<p> the language of the stream, or NULL if unknown.</p> 1811</div> 1812</div> 1813<hr> 1814<div class="refsect2"> 1815<a name="gst-discoverer-audio-info-get-max-bitrate"></a><h3>gst_discoverer_audio_info_get_max_bitrate ()</h3> 1816<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1817gst_discoverer_audio_info_get_max_bitrate 1818 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> *info</code></em>);</pre> 1819<div class="refsect3"> 1820<a name="gst-discoverer-audio-info-get-max-bitrate.parameters"></a><h4>Parameters</h4> 1821<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1822<colgroup> 1823<col width="150px" class="parameters_name"> 1824<col class="parameters_description"> 1825<col width="200px" class="parameters_annotations"> 1826</colgroup> 1827<tbody><tr> 1828<td class="parameter_name"><p>info</p></td> 1829<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a></p></td> 1830<td class="parameter_annotations"> </td> 1831</tr></tbody> 1832</table></div> 1833</div> 1834<div class="refsect3"> 1835<a name="gst-discoverer-audio-info-get-max-bitrate.returns"></a><h4>Returns</h4> 1836<p> the maximum bitrate of the stream in bits/second.</p> 1837</div> 1838</div> 1839<hr> 1840<div class="refsect2"> 1841<a name="gst-discoverer-audio-info-get-sample-rate"></a><h3>gst_discoverer_audio_info_get_sample_rate ()</h3> 1842<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1843gst_discoverer_audio_info_get_sample_rate 1844 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> *info</code></em>);</pre> 1845<div class="refsect3"> 1846<a name="gst-discoverer-audio-info-get-sample-rate.parameters"></a><h4>Parameters</h4> 1847<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1848<colgroup> 1849<col width="150px" class="parameters_name"> 1850<col class="parameters_description"> 1851<col width="200px" class="parameters_annotations"> 1852</colgroup> 1853<tbody><tr> 1854<td class="parameter_name"><p>info</p></td> 1855<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a></p></td> 1856<td class="parameter_annotations"> </td> 1857</tr></tbody> 1858</table></div> 1859</div> 1860<div class="refsect3"> 1861<a name="gst-discoverer-audio-info-get-sample-rate.returns"></a><h4>Returns</h4> 1862<p> the sample rate of the stream in Hertz.</p> 1863</div> 1864</div> 1865<hr> 1866<div class="refsect2"> 1867<a name="gst-discoverer-container-info-get-streams"></a><h3>gst_discoverer_container_info_get_streams ()</h3> 1868<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 1869gst_discoverer_container_info_get_streams 1870 (<em class="parameter"><code><a class="link" href="GstDiscoverer.html#GstDiscovererContainerInfo" title="GstDiscovererContainerInfo"><span class="type">GstDiscovererContainerInfo</span></a> *info</code></em>);</pre> 1871<div class="refsect3"> 1872<a name="gst-discoverer-container-info-get-streams.parameters"></a><h4>Parameters</h4> 1873<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1874<colgroup> 1875<col width="150px" class="parameters_name"> 1876<col class="parameters_description"> 1877<col width="200px" class="parameters_annotations"> 1878</colgroup> 1879<tbody><tr> 1880<td class="parameter_name"><p>info</p></td> 1881<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a></p></td> 1882<td class="parameter_annotations"> </td> 1883</tr></tbody> 1884</table></div> 1885</div> 1886<div class="refsect3"> 1887<a name="gst-discoverer-container-info-get-streams.returns"></a><h4>Returns</h4> 1888<p>the list of 1889<a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> this container stream offers. 1890Free with <a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-list-free" title="gst_discoverer_stream_info_list_free ()"><code class="function">gst_discoverer_stream_info_list_free()</code></a> after usage. </p> 1891<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> GstPbutils.DiscovererStreamInfo]</span></p> 1892</div> 1893</div> 1894<hr> 1895<div class="refsect2"> 1896<a name="gst-discoverer-subtitle-info-get-language"></a><h3>gst_discoverer_subtitle_info_get_language ()</h3> 1897<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 1898gst_discoverer_subtitle_info_get_language 1899 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererSubtitleInfo" title="GstDiscovererSubtitleInfo"><span class="type">GstDiscovererSubtitleInfo</span></a> *info</code></em>);</pre> 1900<div class="refsect3"> 1901<a name="gst-discoverer-subtitle-info-get-language.parameters"></a><h4>Parameters</h4> 1902<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1903<colgroup> 1904<col width="150px" class="parameters_name"> 1905<col class="parameters_description"> 1906<col width="200px" class="parameters_annotations"> 1907</colgroup> 1908<tbody><tr> 1909<td class="parameter_name"><p>info</p></td> 1910<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererSubtitleInfo" title="GstDiscovererSubtitleInfo"><span class="type">GstDiscovererSubtitleInfo</span></a></p></td> 1911<td class="parameter_annotations"> </td> 1912</tr></tbody> 1913</table></div> 1914</div> 1915<div class="refsect3"> 1916<a name="gst-discoverer-subtitle-info-get-language.returns"></a><h4>Returns</h4> 1917<p> the language of the stream, or NULL if unknown.</p> 1918</div> 1919</div> 1920<hr> 1921<div class="refsect2"> 1922<a name="gst-discoverer-video-info-get-bitrate"></a><h3>gst_discoverer_video_info_get_bitrate ()</h3> 1923<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1924gst_discoverer_video_info_get_bitrate (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 1925<div class="refsect3"> 1926<a name="gst-discoverer-video-info-get-bitrate.parameters"></a><h4>Parameters</h4> 1927<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1928<colgroup> 1929<col width="150px" class="parameters_name"> 1930<col class="parameters_description"> 1931<col width="200px" class="parameters_annotations"> 1932</colgroup> 1933<tbody><tr> 1934<td class="parameter_name"><p>info</p></td> 1935<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 1936<td class="parameter_annotations"> </td> 1937</tr></tbody> 1938</table></div> 1939</div> 1940<div class="refsect3"> 1941<a name="gst-discoverer-video-info-get-bitrate.returns"></a><h4>Returns</h4> 1942<p> the average or nominal bitrate of the video stream in bits/second.</p> 1943</div> 1944</div> 1945<hr> 1946<div class="refsect2"> 1947<a name="gst-discoverer-video-info-get-depth"></a><h3>gst_discoverer_video_info_get_depth ()</h3> 1948<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1949gst_discoverer_video_info_get_depth (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 1950<div class="refsect3"> 1951<a name="gst-discoverer-video-info-get-depth.parameters"></a><h4>Parameters</h4> 1952<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1953<colgroup> 1954<col width="150px" class="parameters_name"> 1955<col class="parameters_description"> 1956<col width="200px" class="parameters_annotations"> 1957</colgroup> 1958<tbody><tr> 1959<td class="parameter_name"><p>info</p></td> 1960<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 1961<td class="parameter_annotations"> </td> 1962</tr></tbody> 1963</table></div> 1964</div> 1965<div class="refsect3"> 1966<a name="gst-discoverer-video-info-get-depth.returns"></a><h4>Returns</h4> 1967<p> the depth in bits of the video stream.</p> 1968</div> 1969</div> 1970<hr> 1971<div class="refsect2"> 1972<a name="gst-discoverer-video-info-get-framerate-denom"></a><h3>gst_discoverer_video_info_get_framerate_denom ()</h3> 1973<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 1974gst_discoverer_video_info_get_framerate_denom 1975 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 1976<div class="refsect3"> 1977<a name="gst-discoverer-video-info-get-framerate-denom.parameters"></a><h4>Parameters</h4> 1978<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1979<colgroup> 1980<col width="150px" class="parameters_name"> 1981<col class="parameters_description"> 1982<col width="200px" class="parameters_annotations"> 1983</colgroup> 1984<tbody><tr> 1985<td class="parameter_name"><p>info</p></td> 1986<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 1987<td class="parameter_annotations"> </td> 1988</tr></tbody> 1989</table></div> 1990</div> 1991<div class="refsect3"> 1992<a name="gst-discoverer-video-info-get-framerate-denom.returns"></a><h4>Returns</h4> 1993<p> the framerate of the video stream (denominator).</p> 1994</div> 1995</div> 1996<hr> 1997<div class="refsect2"> 1998<a name="gst-discoverer-video-info-get-framerate-num"></a><h3>gst_discoverer_video_info_get_framerate_num ()</h3> 1999<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 2000gst_discoverer_video_info_get_framerate_num 2001 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2002<div class="refsect3"> 2003<a name="gst-discoverer-video-info-get-framerate-num.parameters"></a><h4>Parameters</h4> 2004<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2005<colgroup> 2006<col width="150px" class="parameters_name"> 2007<col class="parameters_description"> 2008<col width="200px" class="parameters_annotations"> 2009</colgroup> 2010<tbody><tr> 2011<td class="parameter_name"><p>info</p></td> 2012<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2013<td class="parameter_annotations"> </td> 2014</tr></tbody> 2015</table></div> 2016</div> 2017<div class="refsect3"> 2018<a name="gst-discoverer-video-info-get-framerate-num.returns"></a><h4>Returns</h4> 2019<p> the framerate of the video stream (numerator).</p> 2020</div> 2021</div> 2022<hr> 2023<div class="refsect2"> 2024<a name="gst-discoverer-video-info-get-height"></a><h3>gst_discoverer_video_info_get_height ()</h3> 2025<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 2026gst_discoverer_video_info_get_height (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2027<div class="refsect3"> 2028<a name="gst-discoverer-video-info-get-height.parameters"></a><h4>Parameters</h4> 2029<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2030<colgroup> 2031<col width="150px" class="parameters_name"> 2032<col class="parameters_description"> 2033<col width="200px" class="parameters_annotations"> 2034</colgroup> 2035<tbody><tr> 2036<td class="parameter_name"><p>info</p></td> 2037<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2038<td class="parameter_annotations"> </td> 2039</tr></tbody> 2040</table></div> 2041</div> 2042<div class="refsect3"> 2043<a name="gst-discoverer-video-info-get-height.returns"></a><h4>Returns</h4> 2044<p> the height of the video stream in pixels.</p> 2045</div> 2046</div> 2047<hr> 2048<div class="refsect2"> 2049<a name="gst-discoverer-video-info-is-interlaced"></a><h3>gst_discoverer_video_info_is_interlaced ()</h3> 2050<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 2051gst_discoverer_video_info_is_interlaced 2052 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2053<div class="refsect3"> 2054<a name="gst-discoverer-video-info-is-interlaced.parameters"></a><h4>Parameters</h4> 2055<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2056<colgroup> 2057<col width="150px" class="parameters_name"> 2058<col class="parameters_description"> 2059<col width="200px" class="parameters_annotations"> 2060</colgroup> 2061<tbody><tr> 2062<td class="parameter_name"><p>info</p></td> 2063<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2064<td class="parameter_annotations"> </td> 2065</tr></tbody> 2066</table></div> 2067</div> 2068<div class="refsect3"> 2069<a name="gst-discoverer-video-info-is-interlaced.returns"></a><h4>Returns</h4> 2070<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the stream is interlaced, else <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p> 2071</div> 2072</div> 2073<hr> 2074<div class="refsect2"> 2075<a name="gst-discoverer-video-info-is-image"></a><h3>gst_discoverer_video_info_is_image ()</h3> 2076<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 2077gst_discoverer_video_info_is_image (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2078<div class="refsect3"> 2079<a name="gst-discoverer-video-info-is-image.parameters"></a><h4>Parameters</h4> 2080<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2081<colgroup> 2082<col width="150px" class="parameters_name"> 2083<col class="parameters_description"> 2084<col width="200px" class="parameters_annotations"> 2085</colgroup> 2086<tbody><tr> 2087<td class="parameter_name"><p>info</p></td> 2088<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2089<td class="parameter_annotations"> </td> 2090</tr></tbody> 2091</table></div> 2092</div> 2093<div class="refsect3"> 2094<a name="gst-discoverer-video-info-is-image.returns"></a><h4>Returns</h4> 2095<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the video stream corresponds to an image (i.e. only contains 2096one frame).</p> 2097</div> 2098</div> 2099<hr> 2100<div class="refsect2"> 2101<a name="gst-discoverer-video-info-get-max-bitrate"></a><h3>gst_discoverer_video_info_get_max_bitrate ()</h3> 2102<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 2103gst_discoverer_video_info_get_max_bitrate 2104 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2105<div class="refsect3"> 2106<a name="gst-discoverer-video-info-get-max-bitrate.parameters"></a><h4>Parameters</h4> 2107<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2108<colgroup> 2109<col width="150px" class="parameters_name"> 2110<col class="parameters_description"> 2111<col width="200px" class="parameters_annotations"> 2112</colgroup> 2113<tbody><tr> 2114<td class="parameter_name"><p>info</p></td> 2115<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2116<td class="parameter_annotations"> </td> 2117</tr></tbody> 2118</table></div> 2119</div> 2120<div class="refsect3"> 2121<a name="gst-discoverer-video-info-get-max-bitrate.returns"></a><h4>Returns</h4> 2122<p> the maximum bitrate of the video stream in bits/second.</p> 2123</div> 2124</div> 2125<hr> 2126<div class="refsect2"> 2127<a name="gst-discoverer-video-info-get-par-denom"></a><h3>gst_discoverer_video_info_get_par_denom ()</h3> 2128<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 2129gst_discoverer_video_info_get_par_denom 2130 (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2131<div class="refsect3"> 2132<a name="gst-discoverer-video-info-get-par-denom.parameters"></a><h4>Parameters</h4> 2133<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2134<colgroup> 2135<col width="150px" class="parameters_name"> 2136<col class="parameters_description"> 2137<col width="200px" class="parameters_annotations"> 2138</colgroup> 2139<tbody><tr> 2140<td class="parameter_name"><p>info</p></td> 2141<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2142<td class="parameter_annotations"> </td> 2143</tr></tbody> 2144</table></div> 2145</div> 2146<div class="refsect3"> 2147<a name="gst-discoverer-video-info-get-par-denom.returns"></a><h4>Returns</h4> 2148<p> the Pixel Aspect Ratio (PAR) of the video stream (denominator).</p> 2149</div> 2150</div> 2151<hr> 2152<div class="refsect2"> 2153<a name="gst-discoverer-video-info-get-par-num"></a><h3>gst_discoverer_video_info_get_par_num ()</h3> 2154<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 2155gst_discoverer_video_info_get_par_num (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2156<div class="refsect3"> 2157<a name="gst-discoverer-video-info-get-par-num.parameters"></a><h4>Parameters</h4> 2158<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2159<colgroup> 2160<col width="150px" class="parameters_name"> 2161<col class="parameters_description"> 2162<col width="200px" class="parameters_annotations"> 2163</colgroup> 2164<tbody><tr> 2165<td class="parameter_name"><p>info</p></td> 2166<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2167<td class="parameter_annotations"> </td> 2168</tr></tbody> 2169</table></div> 2170</div> 2171<div class="refsect3"> 2172<a name="gst-discoverer-video-info-get-par-num.returns"></a><h4>Returns</h4> 2173<p> the Pixel Aspect Ratio (PAR) of the video stream (numerator).</p> 2174</div> 2175</div> 2176<hr> 2177<div class="refsect2"> 2178<a name="gst-discoverer-video-info-get-width"></a><h3>gst_discoverer_video_info_get_width ()</h3> 2179<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 2180gst_discoverer_video_info_get_width (<em class="parameter"><code>const <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> *info</code></em>);</pre> 2181<div class="refsect3"> 2182<a name="gst-discoverer-video-info-get-width.parameters"></a><h4>Parameters</h4> 2183<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2184<colgroup> 2185<col width="150px" class="parameters_name"> 2186<col class="parameters_description"> 2187<col width="200px" class="parameters_annotations"> 2188</colgroup> 2189<tbody><tr> 2190<td class="parameter_name"><p>info</p></td> 2191<td class="parameter_description"><p>a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a></p></td> 2192<td class="parameter_annotations"> </td> 2193</tr></tbody> 2194</table></div> 2195</div> 2196<div class="refsect3"> 2197<a name="gst-discoverer-video-info-get-width.returns"></a><h4>Returns</h4> 2198<p> the width of the video stream in pixels.</p> 2199</div> 2200</div> 2201</div> 2202<div class="refsect1"> 2203<a name="GstDiscoverer.other_details"></a><h2>Types and Values</h2> 2204<div class="refsect2"> 2205<a name="GstDiscoverer-struct"></a><h3>struct GstDiscoverer</h3> 2206<pre class="programlisting">struct GstDiscoverer;</pre> 2207<p>The <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> structure.</p> 2208</div> 2209<hr> 2210<div class="refsect2"> 2211<a name="GstDiscovererInfo-struct"></a><h3>GstDiscovererInfo</h3> 2212<pre class="programlisting">typedef struct _GstDiscovererInfo GstDiscovererInfo;</pre> 2213<p>Structure containing the information of a URI analyzed by <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a>.</p> 2214</div> 2215<hr> 2216<div class="refsect2"> 2217<a name="GstDiscovererResult"></a><h3>enum GstDiscovererResult</h3> 2218<p>Result values for the discovery process.</p> 2219<div class="refsect3"> 2220<a name="GstDiscovererResult.members"></a><h4>Members</h4> 2221<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2222<colgroup> 2223<col width="300px" class="enum_members_name"> 2224<col class="enum_members_description"> 2225<col width="200px" class="enum_members_annotations"> 2226</colgroup> 2227<tbody> 2228<tr> 2229<td class="enum_member_name"><p><a name="GST-DISCOVERER-OK:CAPS"></a>GST_DISCOVERER_OK</p></td> 2230<td class="enum_member_description"> 2231<p>The discovery was successful</p> 2232</td> 2233<td class="enum_member_annotations"> </td> 2234</tr> 2235<tr> 2236<td class="enum_member_name"><p><a name="GST-DISCOVERER-URI-INVALID:CAPS"></a>GST_DISCOVERER_URI_INVALID</p></td> 2237<td class="enum_member_description"> 2238<p>the URI is invalid</p> 2239</td> 2240<td class="enum_member_annotations"> </td> 2241</tr> 2242<tr> 2243<td class="enum_member_name"><p><a name="GST-DISCOVERER-ERROR:CAPS"></a>GST_DISCOVERER_ERROR</p></td> 2244<td class="enum_member_description"> 2245<p>an error happened and the GError is set</p> 2246</td> 2247<td class="enum_member_annotations"> </td> 2248</tr> 2249<tr> 2250<td class="enum_member_name"><p><a name="GST-DISCOVERER-TIMEOUT:CAPS"></a>GST_DISCOVERER_TIMEOUT</p></td> 2251<td class="enum_member_description"> 2252<p>the discovery timed-out</p> 2253</td> 2254<td class="enum_member_annotations"> </td> 2255</tr> 2256<tr> 2257<td class="enum_member_name"><p><a name="GST-DISCOVERER-BUSY:CAPS"></a>GST_DISCOVERER_BUSY</p></td> 2258<td class="enum_member_description"> 2259<p>the discoverer was already discovering a file</p> 2260</td> 2261<td class="enum_member_annotations"> </td> 2262</tr> 2263<tr> 2264<td class="enum_member_name"><p><a name="GST-DISCOVERER-MISSING-PLUGINS:CAPS"></a>GST_DISCOVERER_MISSING_PLUGINS</p></td> 2265<td class="enum_member_description"> 2266<p>Some plugins are missing for full discovery</p> 2267</td> 2268<td class="enum_member_annotations"> </td> 2269</tr> 2270</tbody> 2271</table></div> 2272</div> 2273</div> 2274<hr> 2275<div class="refsect2"> 2276<a name="GstDiscovererSerializeFlags"></a><h3>enum GstDiscovererSerializeFlags</h3> 2277<p>You can use these flags to control what is serialized by 2278<a class="link" href="GstDiscoverer.html#gst-discoverer-info-to-variant" title="gst_discoverer_info_to_variant ()"><code class="function">gst_discoverer_info_to_variant()</code></a></p> 2279<div class="refsect3"> 2280<a name="GstDiscovererSerializeFlags.members"></a><h4>Members</h4> 2281<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2282<colgroup> 2283<col width="300px" class="enum_members_name"> 2284<col class="enum_members_description"> 2285<col width="200px" class="enum_members_annotations"> 2286</colgroup> 2287<tbody> 2288<tr> 2289<td class="enum_member_name"><p><a name="GST-DISCOVERER-SERIALIZE-BASIC:CAPS"></a>GST_DISCOVERER_SERIALIZE_BASIC</p></td> 2290<td class="enum_member_description"> 2291<p>Serialize only basic information, excluding 2292caps, tags and miscellaneous information</p> 2293</td> 2294<td class="enum_member_annotations"> </td> 2295</tr> 2296<tr> 2297<td class="enum_member_name"><p><a name="GST-DISCOVERER-SERIALIZE-CAPS"></a>GST_DISCOVERER_SERIALIZE_CAPS</p></td> 2298<td class="enum_member_description"> 2299<p>Serialize the caps for each stream</p> 2300</td> 2301<td class="enum_member_annotations"> </td> 2302</tr> 2303<tr> 2304<td class="enum_member_name"><p><a name="GST-DISCOVERER-SERIALIZE-TAGS:CAPS"></a>GST_DISCOVERER_SERIALIZE_TAGS</p></td> 2305<td class="enum_member_description"> 2306<p>Serialize the tags for each stream</p> 2307</td> 2308<td class="enum_member_annotations"> </td> 2309</tr> 2310<tr> 2311<td class="enum_member_name"><p><a name="GST-DISCOVERER-SERIALIZE-MISC:CAPS"></a>GST_DISCOVERER_SERIALIZE_MISC</p></td> 2312<td class="enum_member_description"> 2313<p>Serialize miscellaneous information for each stream</p> 2314</td> 2315<td class="enum_member_annotations"> </td> 2316</tr> 2317<tr> 2318<td class="enum_member_name"><p><a name="GST-DISCOVERER-SERIALIZE-ALL:CAPS"></a>GST_DISCOVERER_SERIALIZE_ALL</p></td> 2319<td class="enum_member_description"> 2320<p>Serialize all the available info, including 2321caps, tags and miscellaneous information</p> 2322</td> 2323<td class="enum_member_annotations"> </td> 2324</tr> 2325</tbody> 2326</table></div> 2327</div> 2328<p class="since">Since: <a class="link" href="ix10.html#api-index-1.6">1.6</a></p> 2329</div> 2330<hr> 2331<div class="refsect2"> 2332<a name="GstDiscovererStreamInfo"></a><h3>GstDiscovererStreamInfo</h3> 2333<pre class="programlisting">typedef struct _GstDiscovererStreamInfo GstDiscovererStreamInfo;</pre> 2334<p>Base structure for information concerning a media stream. Depending on the 2335stream type, one can find more media-specific information in 2336<a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a>, <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a>, and 2337<a class="link" href="GstDiscoverer.html#GstDiscovererContainerInfo" title="GstDiscovererContainerInfo"><span class="type">GstDiscovererContainerInfo</span></a>.</p> 2338<p>The <a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> represents the topology of the stream. Siblings 2339can be iterated over with <a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-next" title="gst_discoverer_stream_info_get_next ()"><code class="function">gst_discoverer_stream_info_get_next()</code></a> and 2340<a class="link" href="GstDiscoverer.html#gst-discoverer-stream-info-get-previous" title="gst_discoverer_stream_info_get_previous ()"><code class="function">gst_discoverer_stream_info_get_previous()</code></a>. Children (sub-streams) of a 2341stream can be accessed using the <a class="link" href="GstDiscoverer.html#GstDiscovererContainerInfo" title="GstDiscovererContainerInfo"><span class="type">GstDiscovererContainerInfo</span></a> API.</p> 2342<p>As a simple example, if you run <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> on an AVI file with one audio 2343and one video stream, you will get a <a class="link" href="GstDiscoverer.html#GstDiscovererContainerInfo" title="GstDiscovererContainerInfo"><span class="type">GstDiscovererContainerInfo</span></a> 2344corresponding to the AVI container, which in turn will have a 2345<a class="link" href="GstDiscoverer.html#GstDiscovererAudioInfo" title="GstDiscovererAudioInfo"><span class="type">GstDiscovererAudioInfo</span></a> sub-stream and a <a class="link" href="GstDiscoverer.html#GstDiscovererVideoInfo" title="GstDiscovererVideoInfo"><span class="type">GstDiscovererVideoInfo</span></a> sub-stream 2346for the audio and video streams respectively.</p> 2347</div> 2348<hr> 2349<div class="refsect2"> 2350<a name="GstDiscovererContainerInfo"></a><h3>GstDiscovererContainerInfo</h3> 2351<pre class="programlisting">typedef struct _GstDiscovererContainerInfo GstDiscovererContainerInfo;</pre> 2352<p><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> specific to container streams.</p> 2353</div> 2354<hr> 2355<div class="refsect2"> 2356<a name="GstDiscovererAudioInfo"></a><h3>GstDiscovererAudioInfo</h3> 2357<pre class="programlisting">typedef struct _GstDiscovererAudioInfo GstDiscovererAudioInfo;</pre> 2358<p><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> specific to audio streams.</p> 2359</div> 2360<hr> 2361<div class="refsect2"> 2362<a name="GstDiscovererVideoInfo"></a><h3>GstDiscovererVideoInfo</h3> 2363<pre class="programlisting">typedef struct _GstDiscovererVideoInfo GstDiscovererVideoInfo;</pre> 2364<p><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> specific to video streams (this includes images).</p> 2365</div> 2366<hr> 2367<div class="refsect2"> 2368<a name="GstDiscovererSubtitleInfo"></a><h3>GstDiscovererSubtitleInfo</h3> 2369<pre class="programlisting">typedef struct _GstDiscovererSubtitleInfo GstDiscovererSubtitleInfo;</pre> 2370<p><a class="link" href="GstDiscoverer.html#GstDiscovererStreamInfo" title="GstDiscovererStreamInfo"><span class="type">GstDiscovererStreamInfo</span></a> specific to subtitle streams (this includes text and 2371image based ones).</p> 2372</div> 2373</div> 2374<div class="refsect1"> 2375<a name="GstDiscoverer.property-details"></a><h2>Property Details</h2> 2376<div class="refsect2"> 2377<a name="GstDiscoverer--timeout"></a><h3>The <code class="literal">“timeout”</code> property</h3> 2378<pre class="programlisting"> “timeout” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a></pre> 2379<p>The duration (in nanoseconds) after which the discovery of an individual 2380URI will timeout.</p> 2381<p>If the discovery of a URI times out, the <a class="link" href="GstDiscoverer.html#GST-DISCOVERER-TIMEOUT:CAPS"><code class="literal">GST_DISCOVERER_TIMEOUT</code></a> will be 2382set on the result flags.</p> 2383<p>Flags: Read / Write / Construct</p> 2384<p>Allowed values: [1000000000,3600000000000]</p> 2385<p>Default value: 15000000000</p> 2386</div> 2387<hr> 2388<div class="refsect2"> 2389<a name="GstDiscoverer--use-cache"></a><h3>The <code class="literal">“use-cache”</code> property</h3> 2390<pre class="programlisting"> “use-cache” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 2391<p>Use cache.</p> 2392<p>Flags: Read / Write / Construct</p> 2393<p>Default value: FALSE</p> 2394</div> 2395</div> 2396<div class="refsect1"> 2397<a name="GstDiscoverer.signal-details"></a><h2>Signal Details</h2> 2398<div class="refsect2"> 2399<a name="GstDiscoverer-discovered"></a><h3>The <code class="literal">“discovered”</code> signal</h3> 2400<pre class="programlisting"><span class="returnvalue">void</span> 2401user_function (<a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer, 2402 <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a> *info, 2403 <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *error, 2404 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 2405<p>Will be emitted in async mode when all information on a URI could be 2406discovered, or an error occurred.</p> 2407<p>When an error occurs, <em class="parameter"><code>info</code></em> 2408 might still contain some partial information, 2409depending on the circumstances of the error.</p> 2410<div class="refsect3"> 2411<a name="GstDiscoverer-discovered.parameters"></a><h4>Parameters</h4> 2412<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2413<colgroup> 2414<col width="150px" class="parameters_name"> 2415<col class="parameters_description"> 2416<col width="200px" class="parameters_annotations"> 2417</colgroup> 2418<tbody> 2419<tr> 2420<td class="parameter_name"><p>discoverer</p></td> 2421<td class="parameter_description"><p>the <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 2422<td class="parameter_annotations"> </td> 2423</tr> 2424<tr> 2425<td class="parameter_name"><p>info</p></td> 2426<td class="parameter_description"><p>the results <a class="link" href="GstDiscoverer.html#GstDiscovererInfo"><span class="type">GstDiscovererInfo</span></a></p></td> 2427<td class="parameter_annotations"> </td> 2428</tr> 2429<tr> 2430<td class="parameter_name"><p>error</p></td> 2431<td class="parameter_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>, which will be non-NULL 2432if an error occurred during 2433discovery. You must not free 2434this <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>, it will be freed by 2435the discoverer. </p></td> 2436<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> GLib.Error]</span></td> 2437</tr> 2438<tr> 2439<td class="parameter_name"><p>user_data</p></td> 2440<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 2441<td class="parameter_annotations"> </td> 2442</tr> 2443</tbody> 2444</table></div> 2445</div> 2446<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> 2447</div> 2448<hr> 2449<div class="refsect2"> 2450<a name="GstDiscoverer-finished"></a><h3>The <code class="literal">“finished”</code> signal</h3> 2451<pre class="programlisting"><span class="returnvalue">void</span> 2452user_function (<a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer, 2453 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 2454<p>Will be emitted in async mode when all pending URIs have been processed.</p> 2455<div class="refsect3"> 2456<a name="GstDiscoverer-finished.parameters"></a><h4>Parameters</h4> 2457<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2458<colgroup> 2459<col width="150px" class="parameters_name"> 2460<col class="parameters_description"> 2461<col width="200px" class="parameters_annotations"> 2462</colgroup> 2463<tbody> 2464<tr> 2465<td class="parameter_name"><p>discoverer</p></td> 2466<td class="parameter_description"><p>the <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 2467<td class="parameter_annotations"> </td> 2468</tr> 2469<tr> 2470<td class="parameter_name"><p>user_data</p></td> 2471<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 2472<td class="parameter_annotations"> </td> 2473</tr> 2474</tbody> 2475</table></div> 2476</div> 2477<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> 2478</div> 2479<hr> 2480<div class="refsect2"> 2481<a name="GstDiscoverer-source-setup"></a><h3>The <code class="literal">“source-setup”</code> signal</h3> 2482<pre class="programlisting"><span class="returnvalue">void</span> 2483user_function (<a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer, 2484 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct"><span class="type">GstElement</span></a> *source, 2485 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 2486<p>This signal is emitted after the source element has been created for, so 2487the URI being discovered, so it can be configured by setting additional 2488properties (e.g. set a proxy server for an http source, or set the device 2489and read speed for an audio cd source).</p> 2490<p>This signal is usually emitted from the context of a GStreamer streaming 2491thread.</p> 2492<div class="refsect3"> 2493<a name="GstDiscoverer-source-setup.parameters"></a><h4>Parameters</h4> 2494<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2495<colgroup> 2496<col width="150px" class="parameters_name"> 2497<col class="parameters_description"> 2498<col width="200px" class="parameters_annotations"> 2499</colgroup> 2500<tbody> 2501<tr> 2502<td class="parameter_name"><p>discoverer</p></td> 2503<td class="parameter_description"><p>the <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 2504<td class="parameter_annotations"> </td> 2505</tr> 2506<tr> 2507<td class="parameter_name"><p>source</p></td> 2508<td class="parameter_description"><p>source element</p></td> 2509<td class="parameter_annotations"> </td> 2510</tr> 2511<tr> 2512<td class="parameter_name"><p>user_data</p></td> 2513<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 2514<td class="parameter_annotations"> </td> 2515</tr> 2516</tbody> 2517</table></div> 2518</div> 2519<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> 2520</div> 2521<hr> 2522<div class="refsect2"> 2523<a name="GstDiscoverer-starting"></a><h3>The <code class="literal">“starting”</code> signal</h3> 2524<pre class="programlisting"><span class="returnvalue">void</span> 2525user_function (<a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a> *discoverer, 2526 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 2527<p>Will be emitted when the discover starts analyzing the pending URIs</p> 2528<div class="refsect3"> 2529<a name="GstDiscoverer-starting.parameters"></a><h4>Parameters</h4> 2530<div class="informaltable"><table class="informaltable" width="100%" border="0"> 2531<colgroup> 2532<col width="150px" class="parameters_name"> 2533<col class="parameters_description"> 2534<col width="200px" class="parameters_annotations"> 2535</colgroup> 2536<tbody> 2537<tr> 2538<td class="parameter_name"><p>discoverer</p></td> 2539<td class="parameter_description"><p>the <a class="link" href="GstDiscoverer.html" title="GstDiscoverer"><span class="type">GstDiscoverer</span></a></p></td> 2540<td class="parameter_annotations"> </td> 2541</tr> 2542<tr> 2543<td class="parameter_name"><p>user_data</p></td> 2544<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 2545<td class="parameter_annotations"> </td> 2546</tr> 2547</tbody> 2548</table></div> 2549</div> 2550<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> 2551</div> 2552</div> 2553</div> 2554<div class="footer"> 2555<hr>Generated by GTK-Doc V1.28</div> 2556</body> 2557</html>
