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>GstMpegvideoParser: GStreamer Bad 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 Bad Plugins 1.0 Library Reference Manual"> 8<link rel="up" href="codecparsers.html" title="Bitstream parsing Library"> 9<link rel="prev" href="gst-plugins-bad-libs-jpegparser.html" title="GstJpegParser"> 10<link rel="next" href="gst-plugins-bad-libs-mpeg4parser.html" title="GstMpeg4Parser"> 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="#gst-plugins-bad-libs-mpegvideoparser.description" class="shortcut">Description</a></span> 19</td> 20<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 21<td><a accesskey="u" href="codecparsers.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 22<td><a accesskey="p" href="gst-plugins-bad-libs-jpegparser.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 23<td><a accesskey="n" href="gst-plugins-bad-libs-mpeg4parser.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 24</tr></table> 25<div class="refentry"> 26<a name="gst-plugins-bad-libs-mpegvideoparser"></a><div class="titlepage"></div> 27<div class="refnamediv"><table width="100%"><tr> 28<td valign="top"> 29<h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-mpegvideoparser.top_of_page"></a>GstMpegvideoParser</span></h2> 30<p>GstMpegvideoParser — Convenience library for mpeg1 and 2 video 31bitstream parsing.</p> 32</td> 33<td class="gallery_image" valign="top" align="right"></td> 34</tr></table></div> 35<div class="refsect1"> 36<a name="gst-plugins-bad-libs-mpegvideoparser.functions"></a><h2>Functions</h2> 37<div class="informaltable"><table class="informaltable" width="100%" border="0"> 38<colgroup> 39<col width="150px" class="functions_return"> 40<col class="functions_name"> 41</colgroup> 42<tbody> 43<tr> 44<td class="function_type"> 45<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 46</td> 47<td class="function_name"> 48<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse" title="gst_mpeg_video_parse ()">gst_mpeg_video_parse</a> <span class="c_punctuation">()</span> 49</td> 50</tr> 51<tr> 52<td class="function_type"> 53<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 54</td> 55<td class="function_name"> 56<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-sequence-header" title="gst_mpeg_video_packet_parse_sequence_header ()">gst_mpeg_video_packet_parse_sequence_header</a> <span class="c_punctuation">()</span> 57</td> 58</tr> 59<tr> 60<td class="function_type"> 61<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 62</td> 63<td class="function_name"> 64<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-sequence-extension" title="gst_mpeg_video_packet_parse_sequence_extension ()">gst_mpeg_video_packet_parse_sequence_extension</a> <span class="c_punctuation">()</span> 65</td> 66</tr> 67<tr> 68<td class="function_type"> 69<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 70</td> 71<td class="function_name"> 72<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-sequence-display-extension" title="gst_mpeg_video_packet_parse_sequence_display_extension ()">gst_mpeg_video_packet_parse_sequence_display_extension</a> <span class="c_punctuation">()</span> 73</td> 74</tr> 75<tr> 76<td class="function_type"> 77<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 78</td> 79<td class="function_name"> 80<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-sequence-scalable-extension" title="gst_mpeg_video_packet_parse_sequence_scalable_extension ()">gst_mpeg_video_packet_parse_sequence_scalable_extension</a> <span class="c_punctuation">()</span> 81</td> 82</tr> 83<tr> 84<td class="function_type"> 85<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 86</td> 87<td class="function_name"> 88<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-picture-header" title="gst_mpeg_video_packet_parse_picture_header ()">gst_mpeg_video_packet_parse_picture_header</a> <span class="c_punctuation">()</span> 89</td> 90</tr> 91<tr> 92<td class="function_type"> 93<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 94</td> 95<td class="function_name"> 96<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-picture-extension" title="gst_mpeg_video_packet_parse_picture_extension ()">gst_mpeg_video_packet_parse_picture_extension</a> <span class="c_punctuation">()</span> 97</td> 98</tr> 99<tr> 100<td class="function_type"> 101<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 102</td> 103<td class="function_name"> 104<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-gop" title="gst_mpeg_video_packet_parse_gop ()">gst_mpeg_video_packet_parse_gop</a> <span class="c_punctuation">()</span> 105</td> 106</tr> 107<tr> 108<td class="function_type"> 109<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 110</td> 111<td class="function_name"> 112<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-slice-header" title="gst_mpeg_video_packet_parse_slice_header ()">gst_mpeg_video_packet_parse_slice_header</a> <span class="c_punctuation">()</span> 113</td> 114</tr> 115<tr> 116<td class="function_type"> 117<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 118</td> 119<td class="function_name"> 120<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-packet-parse-quant-matrix-extension" title="gst_mpeg_video_packet_parse_quant_matrix_extension ()">gst_mpeg_video_packet_parse_quant_matrix_extension</a> <span class="c_punctuation">()</span> 121</td> 122</tr> 123<tr> 124<td class="function_type"> 125<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 126</td> 127<td class="function_name"> 128<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-finalise-mpeg2-sequence-header" title="gst_mpeg_video_finalise_mpeg2_sequence_header ()">gst_mpeg_video_finalise_mpeg2_sequence_header</a> <span class="c_punctuation">()</span> 129</td> 130</tr> 131<tr> 132<td class="function_type"> 133<span class="returnvalue">void</span> 134</td> 135<td class="function_name"> 136<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-quant-matrix-get-raster-from-zigzag" title="gst_mpeg_video_quant_matrix_get_raster_from_zigzag ()">gst_mpeg_video_quant_matrix_get_raster_from_zigzag</a> <span class="c_punctuation">()</span> 137</td> 138</tr> 139<tr> 140<td class="function_type"> 141<span class="returnvalue">void</span> 142</td> 143<td class="function_name"> 144<a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-quant-matrix-get-zigzag-from-raster" title="gst_mpeg_video_quant_matrix_get_zigzag_from_raster ()">gst_mpeg_video_quant_matrix_get_zigzag_from_raster</a> <span class="c_punctuation">()</span> 145</td> 146</tr> 147</tbody> 148</table></div> 149</div> 150<div class="refsect1"> 151<a name="gst-plugins-bad-libs-mpegvideoparser.other"></a><h2>Types and Values</h2> 152<div class="informaltable"><table class="informaltable" width="100%" border="0"> 153<colgroup> 154<col width="150px" class="name"> 155<col class="description"> 156</colgroup> 157<tbody> 158<tr> 159<td class="datatype_keyword">enum</td> 160<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPacketTypeCode" title="enum GstMpegVideoPacketTypeCode">GstMpegVideoPacketTypeCode</a></td> 161</tr> 162<tr> 163<td class="datatype_keyword">enum</td> 164<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPacketExtensionCode" title="enum GstMpegVideoPacketExtensionCode">GstMpegVideoPacketExtensionCode</a></td> 165</tr> 166<tr> 167<td class="datatype_keyword">enum</td> 168<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoLevel" title="enum GstMpegVideoLevel">GstMpegVideoLevel</a></td> 169</tr> 170<tr> 171<td class="datatype_keyword">enum</td> 172<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoProfile" title="enum GstMpegVideoProfile">GstMpegVideoProfile</a></td> 173</tr> 174<tr> 175<td class="datatype_keyword">enum</td> 176<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureType" title="enum GstMpegVideoPictureType">GstMpegVideoPictureType</a></td> 177</tr> 178<tr> 179<td class="datatype_keyword">enum</td> 180<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureStructure" title="enum GstMpegVideoPictureStructure">GstMpegVideoPictureStructure</a></td> 181</tr> 182<tr> 183<td class="datatype_keyword">struct</td> 184<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr">GstMpegVideoSequenceHdr</a></td> 185</tr> 186<tr> 187<td class="datatype_keyword">struct</td> 188<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt">GstMpegVideoSequenceExt</a></td> 189</tr> 190<tr> 191<td class="datatype_keyword">struct</td> 192<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr">GstMpegVideoPictureHdr</a></td> 193</tr> 194<tr> 195<td class="datatype_keyword">struct</td> 196<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoGop" title="struct GstMpegVideoGop">GstMpegVideoGop</a></td> 197</tr> 198<tr> 199<td class="datatype_keyword">struct</td> 200<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt">GstMpegVideoPictureExt</a></td> 201</tr> 202<tr> 203<td class="datatype_keyword">struct</td> 204<td class="function_name"><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt">GstMpegVideoQuantMatrixExt</a></td> 205</tr> 206</tbody> 207</table></div> 208</div> 209<div class="refsect1"> 210<a name="gst-plugins-bad-libs-mpegvideoparser.includes"></a><h2>Includes</h2> 211<pre class="synopsis">#include <gst/codecparsers/gstmpegvideoparser.h> 212</pre> 213</div> 214<div class="refsect1"> 215<a name="gst-plugins-bad-libs-mpegvideoparser.description"></a><h2>Description</h2> 216<p>Provides useful functions for mpeg videos bitstream parsing.</p> 217</div> 218<div class="refsect1"> 219<a name="gst-plugins-bad-libs-mpegvideoparser.functions_details"></a><h2>Functions</h2> 220<div class="refsect2"> 221<a name="gst-mpeg-video-parse"></a><h3>gst_mpeg_video_parse ()</h3> 222<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 223gst_mpeg_video_parse (<em class="parameter"><code><span class="type">GstMpegVideoPacket</span> *packet</code></em>, 224 <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *data</code></em>, 225 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> size</code></em>, 226 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre> 227<p>Parses the MPEG 1/2 video bitstream contained in <em class="parameter"><code>data</code></em> 228, and returns the 229offset, and if known also the size, in <em class="parameter"><code>packet</code></em> 230. This function will scan 231the data to find the next packet if needed.</p> 232<div class="refsect3"> 233<a name="gst-mpeg-video-parse.parameters"></a><h4>Parameters</h4> 234<div class="informaltable"><table class="informaltable" width="100%" border="0"> 235<colgroup> 236<col width="150px" class="parameters_name"> 237<col class="parameters_description"> 238<col width="200px" class="parameters_annotations"> 239</colgroup> 240<tbody> 241<tr> 242<td class="parameter_name"><p>packet</p></td> 243<td class="parameter_description"><p>a <span class="type">GstMpegVideoPacket</span> to fill with the data and offset of the 244next packet found</p></td> 245<td class="parameter_annotations"> </td> 246</tr> 247<tr> 248<td class="parameter_name"><p>data</p></td> 249<td class="parameter_description"><p>The data to parse</p></td> 250<td class="parameter_annotations"> </td> 251</tr> 252<tr> 253<td class="parameter_name"><p>size</p></td> 254<td class="parameter_description"><p>The size of <em class="parameter"><code>data</code></em> 255</p></td> 256<td class="parameter_annotations"> </td> 257</tr> 258<tr> 259<td class="parameter_name"><p>offset</p></td> 260<td class="parameter_description"><p>The offset from which to start parsing</p></td> 261<td class="parameter_annotations"> </td> 262</tr> 263</tbody> 264</table></div> 265</div> 266<div class="refsect3"> 267<a name="gst-mpeg-video-parse.returns"></a><h4>Returns</h4> 268<p> TRUE if a packet start code was found, otherwise FALSE.</p> 269</div> 270</div> 271<hr> 272<div class="refsect2"> 273<a name="gst-mpeg-video-packet-parse-sequence-header"></a><h3>gst_mpeg_video_packet_parse_sequence_header ()</h3> 274<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 275gst_mpeg_video_packet_parse_sequence_header 276 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 277 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> *seqhdr</code></em>);</pre> 278<p>Parses the <em class="parameter"><code>seqhdr</code></em> 279 MPEG Video Sequence Header structure members 280from video <em class="parameter"><code>packet</code></em> 281</p> 282<div class="refsect3"> 283<a name="gst-mpeg-video-packet-parse-sequence-header.parameters"></a><h4>Parameters</h4> 284<div class="informaltable"><table class="informaltable" width="100%" border="0"> 285<colgroup> 286<col width="150px" class="parameters_name"> 287<col class="parameters_description"> 288<col width="200px" class="parameters_annotations"> 289</colgroup> 290<tbody> 291<tr> 292<td class="parameter_name"><p>packet</p></td> 293<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 294<td class="parameter_annotations"> </td> 295</tr> 296<tr> 297<td class="parameter_name"><p>seqhdr</p></td> 298<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> structure to fill. </p></td> 299<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 300</tr> 301</tbody> 302</table></div> 303</div> 304<div class="refsect3"> 305<a name="gst-mpeg-video-packet-parse-sequence-header.returns"></a><h4>Returns</h4> 306<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the seqhdr could be parsed correctly, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 307</div> 308<p class="since">Since: 1.2</p> 309</div> 310<hr> 311<div class="refsect2"> 312<a name="gst-mpeg-video-packet-parse-sequence-extension"></a><h3>gst_mpeg_video_packet_parse_sequence_extension ()</h3> 313<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 314gst_mpeg_video_packet_parse_sequence_extension 315 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 316 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt"><span class="type">GstMpegVideoSequenceExt</span></a> *seqext</code></em>);</pre> 317<p>Parses the <em class="parameter"><code>seqext</code></em> 318 MPEG Video Sequence Extension structure members 319from video <em class="parameter"><code>packet</code></em> 320</p> 321<div class="refsect3"> 322<a name="gst-mpeg-video-packet-parse-sequence-extension.parameters"></a><h4>Parameters</h4> 323<div class="informaltable"><table class="informaltable" width="100%" border="0"> 324<colgroup> 325<col width="150px" class="parameters_name"> 326<col class="parameters_description"> 327<col width="200px" class="parameters_annotations"> 328</colgroup> 329<tbody> 330<tr> 331<td class="parameter_name"><p>packet</p></td> 332<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 333<td class="parameter_annotations"> </td> 334</tr> 335<tr> 336<td class="parameter_name"><p>seqext</p></td> 337<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt"><span class="type">GstMpegVideoSequenceExt</span></a> structure to fill. </p></td> 338<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 339</tr> 340</tbody> 341</table></div> 342</div> 343<div class="refsect3"> 344<a name="gst-mpeg-video-packet-parse-sequence-extension.returns"></a><h4>Returns</h4> 345<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the seqext could be parsed correctly, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 346</div> 347<p class="since">Since: 1.2</p> 348</div> 349<hr> 350<div class="refsect2"> 351<a name="gst-mpeg-video-packet-parse-sequence-display-extension"></a><h3>gst_mpeg_video_packet_parse_sequence_display_extension ()</h3> 352<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 353gst_mpeg_video_packet_parse_sequence_display_extension 354 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 355 <em class="parameter"><code><span class="type">GstMpegVideoSequenceDisplayExt</span> *seqdisplayext</code></em>);</pre> 356<p>Parses the <em class="parameter"><code>seqext</code></em> 357 MPEG Video Sequence Display Extension structure 358members from video <em class="parameter"><code>packet</code></em> 359</p> 360<div class="refsect3"> 361<a name="gst-mpeg-video-packet-parse-sequence-display-extension.parameters"></a><h4>Parameters</h4> 362<div class="informaltable"><table class="informaltable" width="100%" border="0"> 363<colgroup> 364<col width="150px" class="parameters_name"> 365<col class="parameters_description"> 366<col width="200px" class="parameters_annotations"> 367</colgroup> 368<tbody> 369<tr> 370<td class="parameter_name"><p>packet</p></td> 371<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 372<td class="parameter_annotations"> </td> 373</tr> 374<tr> 375<td class="parameter_name"><p>seqdisplayext</p></td> 376<td class="parameter_description"><p>The <span class="type">GstMpegVideoSequenceDisplayExt</span> 377structure to fill. </p></td> 378<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 379</tr> 380</tbody> 381</table></div> 382</div> 383<div class="refsect3"> 384<a name="gst-mpeg-video-packet-parse-sequence-display-extension.returns"></a><h4>Returns</h4> 385<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the seqext could be parsed correctly, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 386</div> 387<p class="since">Since: 1.2</p> 388</div> 389<hr> 390<div class="refsect2"> 391<a name="gst-mpeg-video-packet-parse-sequence-scalable-extension"></a><h3>gst_mpeg_video_packet_parse_sequence_scalable_extension ()</h3> 392<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 393gst_mpeg_video_packet_parse_sequence_scalable_extension 394 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 395 <em class="parameter"><code><span class="type">GstMpegVideoSequenceScalableExt</span> *seqscaleext</code></em>);</pre> 396<p>Parses the <em class="parameter"><code>seqscaleext</code></em> 397 MPEG Video Sequence Scalable Extension structure 398members from video <em class="parameter"><code>packet</code></em> 399</p> 400<div class="refsect3"> 401<a name="gst-mpeg-video-packet-parse-sequence-scalable-extension.parameters"></a><h4>Parameters</h4> 402<div class="informaltable"><table class="informaltable" width="100%" border="0"> 403<colgroup> 404<col width="150px" class="parameters_name"> 405<col class="parameters_description"> 406<col width="200px" class="parameters_annotations"> 407</colgroup> 408<tbody> 409<tr> 410<td class="parameter_name"><p>packet</p></td> 411<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 412<td class="parameter_annotations"> </td> 413</tr> 414<tr> 415<td class="parameter_name"><p>seqscaleext</p></td> 416<td class="parameter_description"><p>The <span class="type">GstMpegVideoSequenceScalableExt</span> structure to fill. </p></td> 417<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 418</tr> 419</tbody> 420</table></div> 421</div> 422<div class="refsect3"> 423<a name="gst-mpeg-video-packet-parse-sequence-scalable-extension.returns"></a><h4>Returns</h4> 424<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the seqext could be parsed correctly, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 425</div> 426<p class="since">Since: 1.2</p> 427</div> 428<hr> 429<div class="refsect2"> 430<a name="gst-mpeg-video-packet-parse-picture-header"></a><h3>gst_mpeg_video_packet_parse_picture_header ()</h3> 431<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 432gst_mpeg_video_packet_parse_picture_header 433 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 434 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> *pichdr</code></em>);</pre> 435<p>Parsers the <em class="parameter"><code>pichdr</code></em> 436 MPEG Video Picture Header structure members 437from video <em class="parameter"><code>packet</code></em> 438</p> 439<div class="refsect3"> 440<a name="gst-mpeg-video-packet-parse-picture-header.parameters"></a><h4>Parameters</h4> 441<div class="informaltable"><table class="informaltable" width="100%" border="0"> 442<colgroup> 443<col width="150px" class="parameters_name"> 444<col class="parameters_description"> 445<col width="200px" class="parameters_annotations"> 446</colgroup> 447<tbody> 448<tr> 449<td class="parameter_name"><p>packet</p></td> 450<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 451<td class="parameter_annotations"> </td> 452</tr> 453<tr> 454<td class="parameter_name"><p>pichdr</p></td> 455<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> structure to fill. </p></td> 456<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 457</tr> 458</tbody> 459</table></div> 460</div> 461<div class="refsect3"> 462<a name="gst-mpeg-video-packet-parse-picture-header.returns"></a><h4>Returns</h4> 463<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the picture sequence could be parsed correctly, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> 464otherwise.</p> 465</div> 466<p class="since">Since: 1.2</p> 467</div> 468<hr> 469<div class="refsect2"> 470<a name="gst-mpeg-video-packet-parse-picture-extension"></a><h3>gst_mpeg_video_packet_parse_picture_extension ()</h3> 471<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 472gst_mpeg_video_packet_parse_picture_extension 473 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 474 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> *picext</code></em>);</pre> 475<p>Parse the <em class="parameter"><code>ext</code></em> 476 MPEG Video Picture Extension structure members from 477video <em class="parameter"><code>packet</code></em> 478</p> 479<div class="refsect3"> 480<a name="gst-mpeg-video-packet-parse-picture-extension.parameters"></a><h4>Parameters</h4> 481<div class="informaltable"><table class="informaltable" width="100%" border="0"> 482<colgroup> 483<col width="150px" class="parameters_name"> 484<col class="parameters_description"> 485<col width="200px" class="parameters_annotations"> 486</colgroup> 487<tbody> 488<tr> 489<td class="parameter_name"><p>packet</p></td> 490<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 491<td class="parameter_annotations"> </td> 492</tr> 493<tr> 494<td class="parameter_name"><p>ext</p></td> 495<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> structure to fill. </p></td> 496<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 497</tr> 498</tbody> 499</table></div> 500</div> 501<div class="refsect3"> 502<a name="gst-mpeg-video-packet-parse-picture-extension.returns"></a><h4>Returns</h4> 503<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the picture extension could be parsed correctly, 504<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 505</div> 506<p class="since">Since: 1.2</p> 507</div> 508<hr> 509<div class="refsect2"> 510<a name="gst-mpeg-video-packet-parse-gop"></a><h3>gst_mpeg_video_packet_parse_gop ()</h3> 511<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 512gst_mpeg_video_packet_parse_gop (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 513 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoGop" title="struct GstMpegVideoGop"><span class="type">GstMpegVideoGop</span></a> *gop</code></em>);</pre> 514<p>Parses the <em class="parameter"><code>gop</code></em> 515 MPEG Video Group of Picture structure members from 516video <em class="parameter"><code>packet</code></em> 517</p> 518<div class="refsect3"> 519<a name="gst-mpeg-video-packet-parse-gop.parameters"></a><h4>Parameters</h4> 520<div class="informaltable"><table class="informaltable" width="100%" border="0"> 521<colgroup> 522<col width="150px" class="parameters_name"> 523<col class="parameters_description"> 524<col width="200px" class="parameters_annotations"> 525</colgroup> 526<tbody> 527<tr> 528<td class="parameter_name"><p>packet</p></td> 529<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 530<td class="parameter_annotations"> </td> 531</tr> 532<tr> 533<td class="parameter_name"><p>gop</p></td> 534<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoGop" title="struct GstMpegVideoGop"><span class="type">GstMpegVideoGop</span></a> structure to fill. </p></td> 535<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 536</tr> 537</tbody> 538</table></div> 539</div> 540<div class="refsect3"> 541<a name="gst-mpeg-video-packet-parse-gop.returns"></a><h4>Returns</h4> 542<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the gop could be parsed correctly, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 543</div> 544<p class="since">Since: 1.2</p> 545</div> 546<hr> 547<div class="refsect2"> 548<a name="gst-mpeg-video-packet-parse-slice-header"></a><h3>gst_mpeg_video_packet_parse_slice_header ()</h3> 549<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 550gst_mpeg_video_packet_parse_slice_header 551 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 552 <em class="parameter"><code><span class="type">GstMpegVideoSliceHdr</span> *slice_hdr</code></em>, 553 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> *seq_hdr</code></em>, 554 <em class="parameter"><code><span class="type">GstMpegVideoSequenceScalableExt</span> *seqscaleext</code></em>);</pre> 555<p>Parses the <em class="parameter"><code>GstMpegVideoSliceHdr</code></em> 556 structure members from <em class="parameter"><code>data</code></em> 557</p> 558<div class="refsect3"> 559<a name="gst-mpeg-video-packet-parse-slice-header.parameters"></a><h4>Parameters</h4> 560<div class="informaltable"><table class="informaltable" width="100%" border="0"> 561<colgroup> 562<col width="150px" class="parameters_name"> 563<col class="parameters_description"> 564<col width="200px" class="parameters_annotations"> 565</colgroup> 566<tbody> 567<tr> 568<td class="parameter_name"><p>packet</p></td> 569<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 570<td class="parameter_annotations"> </td> 571</tr> 572<tr> 573<td class="parameter_name"><p>slice_hdr</p></td> 574<td class="parameter_description"><p>The <span class="type">GstMpegVideoSliceHdr</span> structure to fill. </p></td> 575<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 576</tr> 577<tr> 578<td class="parameter_name"><p>seqhdr</p></td> 579<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> header</p></td> 580<td class="parameter_annotations"> </td> 581</tr> 582<tr> 583<td class="parameter_name"><p>seqscaleext</p></td> 584<td class="parameter_description"><p>The <span class="type">GstMpegVideoSequenceScalableExt</span> header</p></td> 585<td class="parameter_annotations"> </td> 586</tr> 587</tbody> 588</table></div> 589</div> 590<div class="refsect3"> 591<a name="gst-mpeg-video-packet-parse-slice-header.returns"></a><h4>Returns</h4> 592<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the slice could be parsed correctly, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 593</div> 594<p class="since">Since: 1.2</p> 595</div> 596<hr> 597<div class="refsect2"> 598<a name="gst-mpeg-video-packet-parse-quant-matrix-extension"></a><h3>gst_mpeg_video_packet_parse_quant_matrix_extension ()</h3> 599<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 600gst_mpeg_video_packet_parse_quant_matrix_extension 601 (<em class="parameter"><code>const <span class="type">GstMpegVideoPacket</span> *packet</code></em>, 602 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt"><span class="type">GstMpegVideoQuantMatrixExt</span></a> *quant</code></em>);</pre> 603<p>Parses the <em class="parameter"><code>quant</code></em> 604 MPEG Video Quantization Matrix Extension 605structure members from video <em class="parameter"><code>packet</code></em> 606</p> 607<div class="refsect3"> 608<a name="gst-mpeg-video-packet-parse-quant-matrix-extension.parameters"></a><h4>Parameters</h4> 609<div class="informaltable"><table class="informaltable" width="100%" border="0"> 610<colgroup> 611<col width="150px" class="parameters_name"> 612<col class="parameters_description"> 613<col width="200px" class="parameters_annotations"> 614</colgroup> 615<tbody> 616<tr> 617<td class="parameter_name"><p>packet</p></td> 618<td class="parameter_description"><p>The <span class="type">GstMpegVideoPacket</span> that carries the data</p></td> 619<td class="parameter_annotations"> </td> 620</tr> 621<tr> 622<td class="parameter_name"><p>quant</p></td> 623<td class="parameter_description"><p>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt"><span class="type">GstMpegVideoQuantMatrixExt</span></a> structure to fill. </p></td> 624<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 625</tr> 626</tbody> 627</table></div> 628</div> 629<div class="refsect3"> 630<a name="gst-mpeg-video-packet-parse-quant-matrix-extension.returns"></a><h4>Returns</h4> 631<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the quant matrix extension could be parsed correctly, 632<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> 633</div> 634<p class="since">Since: 1.2</p> 635</div> 636<hr> 637<div class="refsect2"> 638<a name="gst-mpeg-video-finalise-mpeg2-sequence-header"></a><h3>gst_mpeg_video_finalise_mpeg2_sequence_header ()</h3> 639<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 640gst_mpeg_video_finalise_mpeg2_sequence_header 641 (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> *hdr</code></em>, 642 <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt"><span class="type">GstMpegVideoSequenceExt</span></a> *seqext</code></em>, 643 <em class="parameter"><code><span class="type">GstMpegVideoSequenceDisplayExt</span> *displayext</code></em>);</pre> 644</div> 645<hr> 646<div class="refsect2"> 647<a name="gst-mpeg-video-quant-matrix-get-raster-from-zigzag"></a><h3>gst_mpeg_video_quant_matrix_get_raster_from_zigzag ()</h3> 648<pre class="programlisting"><span class="returnvalue">void</span> 649gst_mpeg_video_quant_matrix_get_raster_from_zigzag 650 (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> out_quant[64]</code></em>, 651 <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> quant[64]</code></em>);</pre> 652<p>Converts quantization matrix <em class="parameter"><code>quant</code></em> 653 from zigzag scan order to 654raster scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em> 655.</p> 656<p>Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em> 657 and 658<em class="parameter"><code>out_quant</code></em> 659 arguments.</p> 660<div class="refsect3"> 661<a name="gst-mpeg-video-quant-matrix-get-raster-from-zigzag.parameters"></a><h4>Parameters</h4> 662<div class="informaltable"><table class="informaltable" width="100%" border="0"> 663<colgroup> 664<col width="150px" class="parameters_name"> 665<col class="parameters_description"> 666<col width="200px" class="parameters_annotations"> 667</colgroup> 668<tbody> 669<tr> 670<td class="parameter_name"><p>out_quant</p></td> 671<td class="parameter_description"><p>The resulting quantization matrix. </p></td> 672<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 673</tr> 674<tr> 675<td class="parameter_name"><p>quant</p></td> 676<td class="parameter_description"><p>The source quantization matrix</p></td> 677<td class="parameter_annotations"> </td> 678</tr> 679</tbody> 680</table></div> 681</div> 682<p class="since">Since: 1.2</p> 683</div> 684<hr> 685<div class="refsect2"> 686<a name="gst-mpeg-video-quant-matrix-get-zigzag-from-raster"></a><h3>gst_mpeg_video_quant_matrix_get_zigzag_from_raster ()</h3> 687<pre class="programlisting"><span class="returnvalue">void</span> 688gst_mpeg_video_quant_matrix_get_zigzag_from_raster 689 (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> out_quant[64]</code></em>, 690 <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> quant[64]</code></em>);</pre> 691<p>Converts quantization matrix <em class="parameter"><code>quant</code></em> 692 from raster scan order to 693zigzag scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em> 694.</p> 695<p>Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em> 696 and 697<em class="parameter"><code>out_quant</code></em> 698 arguments.</p> 699<div class="refsect3"> 700<a name="gst-mpeg-video-quant-matrix-get-zigzag-from-raster.parameters"></a><h4>Parameters</h4> 701<div class="informaltable"><table class="informaltable" width="100%" border="0"> 702<colgroup> 703<col width="150px" class="parameters_name"> 704<col class="parameters_description"> 705<col width="200px" class="parameters_annotations"> 706</colgroup> 707<tbody> 708<tr> 709<td class="parameter_name"><p>out_quant</p></td> 710<td class="parameter_description"><p>The resulting quantization matrix. </p></td> 711<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 712</tr> 713<tr> 714<td class="parameter_name"><p>quant</p></td> 715<td class="parameter_description"><p>The source quantization matrix</p></td> 716<td class="parameter_annotations"> </td> 717</tr> 718</tbody> 719</table></div> 720</div> 721<p class="since">Since: 1.2</p> 722</div> 723</div> 724<div class="refsect1"> 725<a name="gst-plugins-bad-libs-mpegvideoparser.other_details"></a><h2>Types and Values</h2> 726<div class="refsect2"> 727<a name="GstMpegVideoPacketTypeCode"></a><h3>enum GstMpegVideoPacketTypeCode</h3> 728<p>Indicates the type of MPEG packet</p> 729<div class="refsect3"> 730<a name="GstMpegVideoPacketTypeCode.members"></a><h4>Members</h4> 731<div class="informaltable"><table class="informaltable" width="100%" border="0"> 732<colgroup> 733<col width="300px" class="enum_members_name"> 734<col class="enum_members_description"> 735<col width="200px" class="enum_members_annotations"> 736</colgroup> 737<tbody> 738<tr> 739<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-PICTURE:CAPS"></a>GST_MPEG_VIDEO_PACKET_PICTURE</p></td> 740<td class="enum_member_description"> 741<p>Picture packet starting code</p> 742</td> 743<td class="enum_member_annotations"> </td> 744</tr> 745<tr> 746<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-SLICE-MIN:CAPS"></a>GST_MPEG_VIDEO_PACKET_SLICE_MIN</p></td> 747<td class="enum_member_description"> 748<p>Slice min packet starting code</p> 749</td> 750<td class="enum_member_annotations"> </td> 751</tr> 752<tr> 753<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-SLICE-MAX:CAPS"></a>GST_MPEG_VIDEO_PACKET_SLICE_MAX</p></td> 754<td class="enum_member_description"> 755<p>Slice max packet starting code</p> 756</td> 757<td class="enum_member_annotations"> </td> 758</tr> 759<tr> 760<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-USER-DATA:CAPS"></a>GST_MPEG_VIDEO_PACKET_USER_DATA</p></td> 761<td class="enum_member_description"> 762<p>User data packet starting code</p> 763</td> 764<td class="enum_member_annotations"> </td> 765</tr> 766<tr> 767<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-SEQUENCE:CAPS"></a>GST_MPEG_VIDEO_PACKET_SEQUENCE</p></td> 768<td class="enum_member_description"> 769<p>Sequence packet starting code</p> 770</td> 771<td class="enum_member_annotations"> </td> 772</tr> 773<tr> 774<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-EXTENSION:CAPS"></a>GST_MPEG_VIDEO_PACKET_EXTENSION</p></td> 775<td class="enum_member_description"> 776<p>Extension packet starting code</p> 777</td> 778<td class="enum_member_annotations"> </td> 779</tr> 780<tr> 781<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-SEQUENCE-END:CAPS"></a>GST_MPEG_VIDEO_PACKET_SEQUENCE_END</p></td> 782<td class="enum_member_description"> 783<p>Sequence end packet code</p> 784</td> 785<td class="enum_member_annotations"> </td> 786</tr> 787<tr> 788<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-GOP:CAPS"></a>GST_MPEG_VIDEO_PACKET_GOP</p></td> 789<td class="enum_member_description"> 790<p>Group of Picture packet starting code</p> 791</td> 792<td class="enum_member_annotations"> </td> 793</tr> 794<tr> 795<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-NONE:CAPS"></a>GST_MPEG_VIDEO_PACKET_NONE</p></td> 796<td class="enum_member_description"> 797<p>None packet code</p> 798</td> 799<td class="enum_member_annotations"> </td> 800</tr> 801</tbody> 802</table></div> 803</div> 804</div> 805<hr> 806<div class="refsect2"> 807<a name="GstMpegVideoPacketExtensionCode"></a><h3>enum GstMpegVideoPacketExtensionCode</h3> 808<p>Indicates what type of packets are in this block, some are mutually 809exclusive though - ie, sequence packs are accumulated separately. GOP & 810Picture may occur together or separately.</p> 811<div class="refsect3"> 812<a name="GstMpegVideoPacketExtensionCode.members"></a><h4>Members</h4> 813<div class="informaltable"><table class="informaltable" width="100%" border="0"> 814<colgroup> 815<col width="300px" class="enum_members_name"> 816<col class="enum_members_description"> 817<col width="200px" class="enum_members_annotations"> 818</colgroup> 819<tbody> 820<tr> 821<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-EXT-SEQUENCE:CAPS"></a>GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE</p></td> 822<td class="enum_member_description"> 823<p>Sequence extension code</p> 824</td> 825<td class="enum_member_annotations"> </td> 826</tr> 827<tr> 828<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-EXT-SEQUENCE-DISPLAY:CAPS"></a>GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_DISPLAY</p></td> 829<td class="enum_member_description"> 830<p>Sequence Display extension code</p> 831</td> 832<td class="enum_member_annotations"> </td> 833</tr> 834<tr> 835<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-EXT-QUANT-MATRIX:CAPS"></a>GST_MPEG_VIDEO_PACKET_EXT_QUANT_MATRIX</p></td> 836<td class="enum_member_description"> 837<p>Quantization Matrix extension code</p> 838</td> 839<td class="enum_member_annotations"> </td> 840</tr> 841<tr> 842<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-EXT-SEQUENCE-SCALABLE:CAPS"></a>GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_SCALABLE</p></td> 843<td class="enum_member_description"> 844<p>Sequence Scalable extension code</p> 845</td> 846<td class="enum_member_annotations"> </td> 847</tr> 848<tr> 849<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PACKET-EXT-PICTURE:CAPS"></a>GST_MPEG_VIDEO_PACKET_EXT_PICTURE</p></td> 850<td class="enum_member_description"> 851<p>Picture coding extension</p> 852</td> 853<td class="enum_member_annotations"> </td> 854</tr> 855</tbody> 856</table></div> 857</div> 858</div> 859<hr> 860<div class="refsect2"> 861<a name="GstMpegVideoLevel"></a><h3>enum GstMpegVideoLevel</h3> 862<p>Mpeg-2 Levels.</p> 863<div class="refsect3"> 864<a name="GstMpegVideoLevel.members"></a><h4>Members</h4> 865<div class="informaltable"><table class="informaltable" width="100%" border="0"> 866<colgroup> 867<col width="300px" class="enum_members_name"> 868<col class="enum_members_description"> 869<col width="200px" class="enum_members_annotations"> 870</colgroup> 871<tbody> 872<tr> 873<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-LEVEL-HIGH:CAPS"></a>GST_MPEG_VIDEO_LEVEL_HIGH</p></td> 874<td class="enum_member_description"> 875<p>High level (HL)</p> 876</td> 877<td class="enum_member_annotations"> </td> 878</tr> 879<tr> 880<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-LEVEL-HIGH-1440:CAPS"></a>GST_MPEG_VIDEO_LEVEL_HIGH_1440</p></td> 881<td class="enum_member_description"> 882<p>High 1440 level (H-14)</p> 883</td> 884<td class="enum_member_annotations"> </td> 885</tr> 886<tr> 887<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-LEVEL-MAIN:CAPS"></a>GST_MPEG_VIDEO_LEVEL_MAIN</p></td> 888<td class="enum_member_description"> 889<p>Main level (ML)</p> 890</td> 891<td class="enum_member_annotations"> </td> 892</tr> 893<tr> 894<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-LEVEL-LOW:CAPS"></a>GST_MPEG_VIDEO_LEVEL_LOW</p></td> 895<td class="enum_member_description"> 896<p>Low level (LL)</p> 897</td> 898<td class="enum_member_annotations"> </td> 899</tr> 900</tbody> 901</table></div> 902</div> 903</div> 904<hr> 905<div class="refsect2"> 906<a name="GstMpegVideoProfile"></a><h3>enum GstMpegVideoProfile</h3> 907<p>Mpeg-2 Profiles.</p> 908<div class="refsect3"> 909<a name="GstMpegVideoProfile.members"></a><h4>Members</h4> 910<div class="informaltable"><table class="informaltable" width="100%" border="0"> 911<colgroup> 912<col width="300px" class="enum_members_name"> 913<col class="enum_members_description"> 914<col width="200px" class="enum_members_annotations"> 915</colgroup> 916<tbody> 917<tr> 918<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PROFILE-422:CAPS"></a>GST_MPEG_VIDEO_PROFILE_422</p></td> 919<td class="enum_member_description"> 920<p>4:2:2 profile (422)</p> 921</td> 922<td class="enum_member_annotations"> </td> 923</tr> 924<tr> 925<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PROFILE-HIGH:CAPS"></a>GST_MPEG_VIDEO_PROFILE_HIGH</p></td> 926<td class="enum_member_description"> 927<p>High profile (HP)</p> 928</td> 929<td class="enum_member_annotations"> </td> 930</tr> 931<tr> 932<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PROFILE-SPATIALLY-SCALABLE:CAPS"></a>GST_MPEG_VIDEO_PROFILE_SPATIALLY_SCALABLE</p></td> 933<td class="enum_member_description"> 934<p>Spatially Scalable profile (Spatial)</p> 935</td> 936<td class="enum_member_annotations"> </td> 937</tr> 938<tr> 939<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PROFILE-SNR-SCALABLE:CAPS"></a>GST_MPEG_VIDEO_PROFILE_SNR_SCALABLE</p></td> 940<td class="enum_member_description"> 941<p>SNR Scalable profile (SNR)</p> 942</td> 943<td class="enum_member_annotations"> </td> 944</tr> 945<tr> 946<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PROFILE-MAIN:CAPS"></a>GST_MPEG_VIDEO_PROFILE_MAIN</p></td> 947<td class="enum_member_description"> 948<p>Main profile (MP)</p> 949</td> 950<td class="enum_member_annotations"> </td> 951</tr> 952<tr> 953<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PROFILE-SIMPLE:CAPS"></a>GST_MPEG_VIDEO_PROFILE_SIMPLE</p></td> 954<td class="enum_member_description"> 955<p>Simple profile (SP)</p> 956</td> 957<td class="enum_member_annotations"> </td> 958</tr> 959</tbody> 960</table></div> 961</div> 962</div> 963<hr> 964<div class="refsect2"> 965<a name="GstMpegVideoPictureType"></a><h3>enum GstMpegVideoPictureType</h3> 966<p>Picture type.</p> 967<div class="refsect3"> 968<a name="GstMpegVideoPictureType.members"></a><h4>Members</h4> 969<div class="informaltable"><table class="informaltable" width="100%" border="0"> 970<colgroup> 971<col width="300px" class="enum_members_name"> 972<col class="enum_members_description"> 973<col width="200px" class="enum_members_annotations"> 974</colgroup> 975<tbody> 976<tr> 977<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-I:CAPS"></a>GST_MPEG_VIDEO_PICTURE_TYPE_I</p></td> 978<td class="enum_member_description"> 979<p>Intra-coded (I) frame</p> 980</td> 981<td class="enum_member_annotations"> </td> 982</tr> 983<tr> 984<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-P:CAPS"></a>GST_MPEG_VIDEO_PICTURE_TYPE_P</p></td> 985<td class="enum_member_description"> 986<p>Predictive-codec (P) frame</p> 987</td> 988<td class="enum_member_annotations"> </td> 989</tr> 990<tr> 991<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-B:CAPS"></a>GST_MPEG_VIDEO_PICTURE_TYPE_B</p></td> 992<td class="enum_member_description"> 993<p>Bidirectionally predictive-coded (B) frame</p> 994</td> 995<td class="enum_member_annotations"> </td> 996</tr> 997<tr> 998<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-D:CAPS"></a>GST_MPEG_VIDEO_PICTURE_TYPE_D</p></td> 999<td class="enum_member_description"> 1000<p>D frame</p> 1001</td> 1002<td class="enum_member_annotations"> </td> 1003</tr> 1004</tbody> 1005</table></div> 1006</div> 1007</div> 1008<hr> 1009<div class="refsect2"> 1010<a name="GstMpegVideoPictureStructure"></a><h3>enum GstMpegVideoPictureStructure</h3> 1011<p>Picture structure type.</p> 1012<div class="refsect3"> 1013<a name="GstMpegVideoPictureStructure.members"></a><h4>Members</h4> 1014<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1015<colgroup> 1016<col width="300px" class="enum_members_name"> 1017<col class="enum_members_description"> 1018<col width="200px" class="enum_members_annotations"> 1019</colgroup> 1020<tbody> 1021<tr> 1022<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PICTURE-STRUCTURE-TOP-FIELD:CAPS"></a>GST_MPEG_VIDEO_PICTURE_STRUCTURE_TOP_FIELD</p></td> 1023<td class="enum_member_description"> 1024<p>Top field</p> 1025</td> 1026<td class="enum_member_annotations"> </td> 1027</tr> 1028<tr> 1029<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PICTURE-STRUCTURE-BOTTOM-FIELD:CAPS"></a>GST_MPEG_VIDEO_PICTURE_STRUCTURE_BOTTOM_FIELD</p></td> 1030<td class="enum_member_description"> 1031<p>Bottom field</p> 1032</td> 1033<td class="enum_member_annotations"> </td> 1034</tr> 1035<tr> 1036<td class="enum_member_name"><p><a name="GST-MPEG-VIDEO-PICTURE-STRUCTURE-FRAME:CAPS"></a>GST_MPEG_VIDEO_PICTURE_STRUCTURE_FRAME</p></td> 1037<td class="enum_member_description"> 1038<p>Frame picture</p> 1039</td> 1040<td class="enum_member_annotations"> </td> 1041</tr> 1042</tbody> 1043</table></div> 1044</div> 1045</div> 1046<hr> 1047<div class="refsect2"> 1048<a name="GstMpegVideoSequenceHdr"></a><h3>struct GstMpegVideoSequenceHdr</h3> 1049<pre class="programlisting">struct GstMpegVideoSequenceHdr { 1050 guint16 width, height; 1051 guint8 aspect_ratio_info; 1052 guint8 frame_rate_code; 1053 guint32 bitrate_value; 1054 guint16 vbv_buffer_size_value; 1055 1056 guint8 constrained_parameters_flag; 1057 1058 guint8 load_intra_quantiser_matrix; 1059 guint8 intra_quantizer_matrix[64]; 1060 guint8 load_non_intra_quantiser_matrix; 1061 guint8 non_intra_quantizer_matrix[64]; 1062 1063 /* Calculated values */ 1064 guint par_w, par_h; 1065 guint fps_n, fps_d; 1066 guint bitrate; 1067}; 1068</pre> 1069<p>The Mpeg2 Video Sequence Header structure.</p> 1070<div class="refsect3"> 1071<a name="GstMpegVideoSequenceHdr.members"></a><h4>Members</h4> 1072<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1073<colgroup> 1074<col width="300px" class="struct_members_name"> 1075<col class="struct_members_description"> 1076<col width="200px" class="struct_members_annotations"> 1077</colgroup> 1078<tbody> 1079<tr> 1080<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.width"></a>width</code></em>;</p></td> 1081<td class="struct_member_description"><p>Width of each frame</p></td> 1082<td class="struct_member_annotations"> </td> 1083</tr> 1084<tr> 1085<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.height"></a>height</code></em>;</p></td> 1086<td class="struct_member_description"><p>Height of each frame</p></td> 1087<td class="struct_member_annotations"> </td> 1088</tr> 1089<tr> 1090<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.aspect-ratio-info"></a>aspect_ratio_info</code></em>;</p></td> 1091<td> </td> 1092<td> </td> 1093</tr> 1094<tr> 1095<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.frame-rate-code"></a>frame_rate_code</code></em>;</p></td> 1096<td> </td> 1097<td> </td> 1098</tr> 1099<tr> 1100<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.bitrate-value"></a>bitrate_value</code></em>;</p></td> 1101<td class="struct_member_description"><p>Value of the bitrate as is in the stream (400bps unit)</p></td> 1102<td class="struct_member_annotations"> </td> 1103</tr> 1104<tr> 1105<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.vbv-buffer-size-value"></a>vbv_buffer_size_value</code></em>;</p></td> 1106<td> </td> 1107<td> </td> 1108</tr> 1109<tr> 1110<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.constrained-parameters-flag"></a>constrained_parameters_flag</code></em>;</p></td> 1111<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if this stream uses contrained parameters.</p></td> 1112<td class="struct_member_annotations"> </td> 1113</tr> 1114<tr> 1115<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.load-intra-quantiser-matrix"></a>load_intra_quantiser_matrix</code></em>;</p></td> 1116<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> indicates the presence of intra_quantiser_matrix</p></td> 1117<td class="struct_member_annotations"> </td> 1118</tr> 1119<tr> 1120<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.intra-quantizer-matrix"></a>intra_quantizer_matrix</code></em>[64];</p></td> 1121<td class="struct_member_description"><p>intra-quantization table, in zigzag scan order</p></td> 1122<td class="struct_member_annotations"> </td> 1123</tr> 1124<tr> 1125<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.load-non-intra-quantiser-matrix"></a>load_non_intra_quantiser_matrix</code></em>;</p></td> 1126<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> indicates the presence of non_intra_quantiser_matrix</p></td> 1127<td class="struct_member_annotations"> </td> 1128</tr> 1129<tr> 1130<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.non-intra-quantizer-matrix"></a>non_intra_quantizer_matrix</code></em>[64];</p></td> 1131<td class="struct_member_description"><p>non-intra quantization table, in zigzag scan order</p></td> 1132<td class="struct_member_annotations"> </td> 1133</tr> 1134<tr> 1135<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.par-w"></a>par_w</code></em>;</p></td> 1136<td class="struct_member_description"><p>Calculated Pixel Aspect Ratio width</p></td> 1137<td class="struct_member_annotations"> </td> 1138</tr> 1139<tr> 1140<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.par-h"></a>par_h</code></em>;</p></td> 1141<td class="struct_member_description"><p>Calculated Pixel Aspect Ratio height</p></td> 1142<td class="struct_member_annotations"> </td> 1143</tr> 1144<tr> 1145<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.fps-n"></a>fps_n</code></em>;</p></td> 1146<td class="struct_member_description"><p>Calculated Framrate nominator</p></td> 1147<td class="struct_member_annotations"> </td> 1148</tr> 1149<tr> 1150<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.fps-d"></a>fps_d</code></em>;</p></td> 1151<td class="struct_member_description"><p>Calculated Framerate denominator</p></td> 1152<td class="struct_member_annotations"> </td> 1153</tr> 1154<tr> 1155<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.bitrate"></a>bitrate</code></em>;</p></td> 1156<td class="struct_member_description"><p>the real bitrate of the Mpeg video stream in bits per second, 0 if VBR stream</p></td> 1157<td class="struct_member_annotations"> </td> 1158</tr> 1159</tbody> 1160</table></div> 1161</div> 1162</div> 1163<hr> 1164<div class="refsect2"> 1165<a name="GstMpegVideoSequenceExt"></a><h3>struct GstMpegVideoSequenceExt</h3> 1166<pre class="programlisting">struct GstMpegVideoSequenceExt { 1167 /* mpeg2 decoder profile */ 1168 guint8 profile; 1169 /* mpeg2 decoder level */ 1170 guint8 level; 1171 1172 guint8 progressive; 1173 guint8 chroma_format; 1174 1175 guint8 horiz_size_ext, vert_size_ext; 1176 1177 guint16 bitrate_ext; 1178 guint8 vbv_buffer_size_extension; 1179 guint8 low_delay; 1180 guint8 fps_n_ext, fps_d_ext; 1181 1182 /* Additional information */ 1183 guint8 profile_level_escape_bit; 1184}; 1185</pre> 1186<p>The Mpeg2 Video Sequence Extension structure.</p> 1187<div class="refsect3"> 1188<a name="GstMpegVideoSequenceExt.members"></a><h4>Members</h4> 1189<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1190<colgroup> 1191<col width="300px" class="struct_members_name"> 1192<col class="struct_members_description"> 1193<col width="200px" class="struct_members_annotations"> 1194</colgroup> 1195<tbody> 1196<tr> 1197<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.profile"></a>profile</code></em>;</p></td> 1198<td class="struct_member_description"><p>mpeg2 decoder profile</p></td> 1199<td class="struct_member_annotations"> </td> 1200</tr> 1201<tr> 1202<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.level"></a>level</code></em>;</p></td> 1203<td class="struct_member_description"><p>mpeg2 decoder level</p></td> 1204<td class="struct_member_annotations"> </td> 1205</tr> 1206<tr> 1207<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.progressive"></a>progressive</code></em>;</p></td> 1208<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the frames are progressive <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p></td> 1209<td class="struct_member_annotations"> </td> 1210</tr> 1211<tr> 1212<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.chroma-format"></a>chroma_format</code></em>;</p></td> 1213<td class="struct_member_description"><p>indicates the chrominance format</p></td> 1214<td class="struct_member_annotations"> </td> 1215</tr> 1216<tr> 1217<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.horiz-size-ext"></a>horiz_size_ext</code></em>;</p></td> 1218<td class="struct_member_description"><p>Horizontal size</p></td> 1219<td class="struct_member_annotations"> </td> 1220</tr> 1221<tr> 1222<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.vert-size-ext"></a>vert_size_ext</code></em>;</p></td> 1223<td class="struct_member_description"><p>Vertical size</p></td> 1224<td class="struct_member_annotations"> </td> 1225</tr> 1226<tr> 1227<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.bitrate-ext"></a>bitrate_ext</code></em>;</p></td> 1228<td class="struct_member_description"><p>The bitrate</p></td> 1229<td class="struct_member_annotations"> </td> 1230</tr> 1231<tr> 1232<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.vbv-buffer-size-extension"></a>vbv_buffer_size_extension</code></em>;</p></td> 1233<td class="struct_member_description"><p>VBV vuffer size</p></td> 1234<td class="struct_member_annotations"> </td> 1235</tr> 1236<tr> 1237<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.low-delay"></a>low_delay</code></em>;</p></td> 1238<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the sequence doesn't contain any B-pictures, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> 1239otherwise</p></td> 1240<td class="struct_member_annotations"> </td> 1241</tr> 1242<tr> 1243<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.fps-n-ext"></a>fps_n_ext</code></em>;</p></td> 1244<td class="struct_member_description"><p>Framerate nominator code</p></td> 1245<td class="struct_member_annotations"> </td> 1246</tr> 1247<tr> 1248<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.fps-d-ext"></a>fps_d_ext</code></em>;</p></td> 1249<td class="struct_member_description"><p>Framerate denominator code</p></td> 1250<td class="struct_member_annotations"> </td> 1251</tr> 1252<tr> 1253<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.profile-level-escape-bit"></a>profile_level_escape_bit</code></em>;</p></td> 1254<td class="struct_member_description"><p>Escape bit. If set, the meaning of the 1255<em class="parameter"><code>profile</code></em> 1256and <em class="parameter"><code>level</code></em> 1257fields is different.</p></td> 1258<td class="struct_member_annotations"> </td> 1259</tr> 1260</tbody> 1261</table></div> 1262</div> 1263</div> 1264<hr> 1265<div class="refsect2"> 1266<a name="GstMpegVideoPictureHdr"></a><h3>struct GstMpegVideoPictureHdr</h3> 1267<pre class="programlisting">struct GstMpegVideoPictureHdr { 1268 guint16 tsn; 1269 guint8 pic_type; 1270 guint16 vbv_delay; 1271 1272 guint8 full_pel_forward_vector, full_pel_backward_vector; 1273 1274 guint8 f_code[2][2]; 1275}; 1276</pre> 1277<p>The Mpeg2 Video Picture Header structure.</p> 1278<div class="refsect3"> 1279<a name="GstMpegVideoPictureHdr.members"></a><h4>Members</h4> 1280<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1281<colgroup> 1282<col width="300px" class="struct_members_name"> 1283<col class="struct_members_description"> 1284<col width="200px" class="struct_members_annotations"> 1285</colgroup> 1286<tbody> 1287<tr> 1288<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.tsn"></a>tsn</code></em>;</p></td> 1289<td class="struct_member_description"><p>Temporal Sequence Number</p></td> 1290<td class="struct_member_annotations"> </td> 1291</tr> 1292<tr> 1293<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.pic-type"></a>pic_type</code></em>;</p></td> 1294<td class="struct_member_description"><p>Type of the frame</p></td> 1295<td class="struct_member_annotations"> </td> 1296</tr> 1297<tr> 1298<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.vbv-delay"></a>vbv_delay</code></em>;</p></td> 1299<td> </td> 1300<td> </td> 1301</tr> 1302<tr> 1303<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.full-pel-forward-vector"></a>full_pel_forward_vector</code></em>;</p></td> 1304<td class="struct_member_description"><p>the full pel forward flag of 1305the frame: 0 or 1.</p></td> 1306<td class="struct_member_annotations"> </td> 1307</tr> 1308<tr> 1309<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.full-pel-backward-vector"></a>full_pel_backward_vector</code></em>;</p></td> 1310<td class="struct_member_description"><p>the full pel backward flag 1311of the frame: 0 or 1.</p></td> 1312<td class="struct_member_annotations"> </td> 1313</tr> 1314<tr> 1315<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.f-code"></a>f_code</code></em>[2][2];</p></td> 1316<td class="struct_member_description"><p>F code</p></td> 1317<td class="struct_member_annotations"> </td> 1318</tr> 1319</tbody> 1320</table></div> 1321</div> 1322</div> 1323<hr> 1324<div class="refsect2"> 1325<a name="GstMpegVideoGop"></a><h3>struct GstMpegVideoGop</h3> 1326<pre class="programlisting">struct GstMpegVideoGop { 1327 guint8 drop_frame_flag; 1328 1329 guint8 hour, minute, second, frame; 1330 1331 guint8 closed_gop; 1332 guint8 broken_link; 1333}; 1334</pre> 1335<p>The Mpeg Video Group of Picture structure.</p> 1336<div class="refsect3"> 1337<a name="GstMpegVideoGop.members"></a><h4>Members</h4> 1338<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1339<colgroup> 1340<col width="300px" class="struct_members_name"> 1341<col class="struct_members_description"> 1342<col width="200px" class="struct_members_annotations"> 1343</colgroup> 1344<tbody> 1345<tr> 1346<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoGop.drop-frame-flag"></a>drop_frame_flag</code></em>;</p></td> 1347<td class="struct_member_description"><p>Drop Frame Flag</p></td> 1348<td class="struct_member_annotations"> </td> 1349</tr> 1350<tr> 1351<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoGop.hour"></a>hour</code></em>;</p></td> 1352<td class="struct_member_description"><p>Hour (0-23)</p></td> 1353<td class="struct_member_annotations"> </td> 1354</tr> 1355<tr> 1356<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoGop.minute"></a>minute</code></em>;</p></td> 1357<td class="struct_member_description"><p>Minute (O-59)</p></td> 1358<td class="struct_member_annotations"> </td> 1359</tr> 1360<tr> 1361<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoGop.second"></a>second</code></em>;</p></td> 1362<td class="struct_member_description"><p>Second (0-59)</p></td> 1363<td class="struct_member_annotations"> </td> 1364</tr> 1365<tr> 1366<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoGop.frame"></a>frame</code></em>;</p></td> 1367<td class="struct_member_description"><p>Frame (0-59)</p></td> 1368<td class="struct_member_annotations"> </td> 1369</tr> 1370<tr> 1371<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoGop.closed-gop"></a>closed_gop</code></em>;</p></td> 1372<td class="struct_member_description"><p>Closed Gop</p></td> 1373<td class="struct_member_annotations"> </td> 1374</tr> 1375<tr> 1376<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoGop.broken-link"></a>broken_link</code></em>;</p></td> 1377<td class="struct_member_description"><p>Broken link</p></td> 1378<td class="struct_member_annotations"> </td> 1379</tr> 1380</tbody> 1381</table></div> 1382</div> 1383</div> 1384<hr> 1385<div class="refsect2"> 1386<a name="GstMpegVideoPictureExt"></a><h3>struct GstMpegVideoPictureExt</h3> 1387<pre class="programlisting">struct GstMpegVideoPictureExt { 1388 guint8 f_code[2][2]; 1389 1390 guint8 intra_dc_precision; 1391 guint8 picture_structure; 1392 guint8 top_field_first; 1393 guint8 frame_pred_frame_dct; 1394 guint8 concealment_motion_vectors; 1395 guint8 q_scale_type; 1396 guint8 intra_vlc_format; 1397 guint8 alternate_scan; 1398 guint8 repeat_first_field; 1399 guint8 chroma_420_type; 1400 guint8 progressive_frame; 1401 guint8 composite_display; 1402 guint8 v_axis; 1403 guint8 field_sequence; 1404 guint8 sub_carrier; 1405 guint8 burst_amplitude; 1406 guint8 sub_carrier_phase; 1407}; 1408</pre> 1409<p>The Mpeg2 Video Picture Extension structure.</p> 1410<div class="refsect3"> 1411<a name="GstMpegVideoPictureExt.members"></a><h4>Members</h4> 1412<div class="informaltable"><table class="informaltable" width="100%" border="0"> 1413<colgroup> 1414<col width="300px" class="struct_members_name"> 1415<col class="struct_members_description"> 1416<col width="200px" class="struct_members_annotations"> 1417</colgroup> 1418<tbody> 1419<tr> 1420<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.f-code"></a>f_code</code></em>[2][2];</p></td> 1421<td> </td> 1422<td> </td> 1423</tr> 1424<tr> 1425<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.intra-dc-precision"></a>intra_dc_precision</code></em>;</p></td> 1426<td class="struct_member_description"><p>Intra DC precision</p></td> 1427<td class="struct_member_annotations"> </td> 1428</tr> 1429<tr> 1430<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.picture-structure"></a>picture_structure</code></em>;</p></td> 1431<td class="struct_member_description"><p>Structure of the picture</p></td> 1432<td class="struct_member_annotations"> </td> 1433</tr> 1434<tr> 1435<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.top-field-first"></a>top_field_first</code></em>;</p></td> 1436<td class="struct_member_description"><p>Top field first</p></td> 1437<td class="struct_member_annotations"> </td> 1438</tr> 1439<tr> 1440<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.frame-pred-frame-dct"></a>frame_pred_frame_dct</code></em>;</p></td> 1441<td class="struct_member_description"><p>Frame</p></td> 1442<td class="struct_member_annotations"> </td> 1443</tr> 1444<tr> 1445<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.concealment-motion-vectors"></a>concealment_motion_vectors</code></em>;</p></td> 1446<td class="struct_member_description"><p>Concealment Motion Vectors</p></td> 1447<td class="struct_member_annotations"> </td> 1448</tr> 1449<tr> 1450<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.q-scale-type"></a>q_scale_type</code></em>;</p></td> 1451<td class="struct_member_description"><p>Q Scale Type</p></td> 1452<td class="struct_member_annotations"> </td> 1453</tr> 1454<tr> 1455<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.intra-vlc-format"></a>intra_vlc_format</code></em>;</p></td> 1456<td class="struct_member_description"><p>Intra Vlc Format</p></td> 1457<td class="struct_member_annotations"> </td> 1458</tr> 1459<tr> 1460<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.alternate-scan"></a>alternate_scan</code></em>;</p></td> 1461<td class="struct_member_description"><p>Alternate Scan</p></td> 1462<td class="struct_member_annotations"> </td> 1463</tr> 1464<tr> 1465<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.repeat-first-field"></a>repeat_first_field</code></em>;</p></td> 1466<td class="struct_member_description"><p>Repeat First Field</p></td> 1467<td class="struct_member_annotations"> </td> 1468</tr> 1469<tr> 1470<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.chroma-420-type"></a>chroma_420_type</code></em>;</p></td> 1471<td class="struct_member_description"><p>Chroma 420 Type</p></td> 1472<td class="struct_member_annotations"> </td> 1473</tr> 1474<tr> 1475<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.progressive-frame"></a>progressive_frame</code></em>;</p></td> 1476<td class="struct_member_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the frame is progressive <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p></td> 1477<td class="struct_member_annotations"> </td> 1478</tr> 1479<tr> 1480<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.composite-display"></a>composite_display</code></em>;</p></td> 1481<td> </td> 1482<td> </td> 1483</tr> 1484<tr> 1485<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.v-axis"></a>v_axis</code></em>;</p></td> 1486<td> </td> 1487<td> </td> 1488</tr> 1489<tr> 1490<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.field-sequence"></a>field_sequence</code></em>;</p></td> 1491<td> </td> 1492<td> </td> 1493</tr> 1494<tr> 1495<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.sub-carrier"></a>sub_carrier</code></em>;</p></td> 1496<td> </td> 1497<td> </td> 1498</tr> 1499<tr> 1500<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.burst-amplitude"></a>burst_amplitude</code></em>;</p></td> 1501<td> </td> 1502<td> </td> 1503</tr> 1504<tr> 1505<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GstMpegVideoPictureExt.sub-carrier-phase"></a>sub_carrier_phase</code></em>;</p></td> 1506<td> </td> 1507<td> </td> 1508</tr> 1509</tbody> 1510</table></div> 1511</div> 1512</div> 1513<hr> 1514<div class="refsect2"> 1515<a name="GstMpegVideoQuantMatrixExt"></a><h3>struct GstMpegVideoQuantMatrixExt</h3> 1516<pre class="programlisting">struct GstMpegVideoQuantMatrixExt { 1517 guint8 load_intra_quantiser_matrix; 1518 guint8 intra_quantiser_matrix[64]; 1519 guint8 load_non_intra_quantiser_matrix; 1520 guint8 non_intra_quantiser_matrix[64]; 1521 guint8 load_chroma_intra_quantiser_matrix; 1522 guint8 chroma_intra_quantiser_matrix[64]; 1523 guint8 load_chroma_non_intra_quantiser_matrix; 1524 guint8 chroma_non_intra_quantiser_matrix[64]; 1525}; 1526</pre> 1527<p>The Quant Matrix Extension structure that exposes quantization 1528matrices in zigzag scan order. i.e. the original encoded scan 1529order.</p> 1530</div> 1531</div> 1532</div> 1533<div class="footer"> 1534<hr>Generated by GTK-Doc V1.28</div> 1535</body> 1536</html>
