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<a href="#gst-plugins-bad-libs-mpegvideoparser.description" class="shortcut">Description</a>
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<div class="refentry">
<a name="gst-plugins-bad-libs-mpegvideoparser"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-mpegvideoparser.top_of_page"></a>mpegvideoparser</span></h2>
<p>mpegvideoparser — Convenience library for mpeg1 and 2 video
bitstream parsing.</p>
</td>
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<div class="refsynopsisdiv">
<a name="gst-plugins-bad-libs-mpegvideoparser.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;gst/codecparsers/gstmpegvideoparser.h&gt;
enum <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPacketTypeCode" title="enum GstMpegVideoPacketTypeCode">GstMpegVideoPacketTypeCode</a>;
enum <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPacketExtensionCode" title="enum GstMpegVideoPacketExtensionCode">GstMpegVideoPacketExtensionCode</a>;
enum <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoLevel" title="enum GstMpegVideoLevel">GstMpegVideoLevel</a>;
enum <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoProfile" title="enum GstMpegVideoProfile">GstMpegVideoProfile</a>;
enum <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureType" title="enum GstMpegVideoPictureType">GstMpegVideoPictureType</a>;
enum <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureStructure" title="enum GstMpegVideoPictureStructure">GstMpegVideoPictureStructure</a>;
struct <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr">GstMpegVideoSequenceHdr</a>;
struct <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt">GstMpegVideoSequenceExt</a>;
struct <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr">GstMpegVideoPictureHdr</a>;
struct <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoGop" title="struct GstMpegVideoGop">GstMpegVideoGop</a>;
struct <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt">GstMpegVideoPictureExt</a>;
struct <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt">GstMpegVideoQuantMatrixExt</a>;
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse" title="gst_mpeg_video_parse ()">gst_mpeg_video_parse</a> (<em class="parameter"><code><span class="type">GstMpegVideoPacket</span> *packet</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse-sequence-header" title="gst_mpeg_video_parse_sequence_header ()">gst_mpeg_video_parse_sequence_header</a>
(<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse-picture-header" title="gst_mpeg_video_parse_picture_header ()">gst_mpeg_video_parse_picture_header</a> (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> *hdr</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse-picture-extension" title="gst_mpeg_video_parse_picture_extension ()">gst_mpeg_video_parse_picture_extension</a>
(<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> *ext</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse-gop" title="gst_mpeg_video_parse_gop ()">gst_mpeg_video_parse_gop</a> (<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse-sequence-extension" title="gst_mpeg_video_parse_sequence_extension ()">gst_mpeg_video_parse_sequence_extension</a>
(<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse-sequence-display-extension" title="gst_mpeg_video_parse_sequence_display_extension ()">gst_mpeg_video_parse_sequence_display_extension</a>
(<em class="parameter"><code><span class="type">GstMpegVideoSequenceDisplayExt</span> *seqdisplayext</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#gst-mpeg-video-parse-quant-matrix-extension" title="gst_mpeg_video_parse_quant_matrix_extension ()">gst_mpeg_video_parse_quant_matrix_extension</a>
(<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <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>
(<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>,
<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>,
<em class="parameter"><code><span class="type">GstMpegVideoSequenceDisplayExt</span> *displayext</code></em>);
<span class="returnvalue">void</span> <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>
(<em class="parameter"><code><span class="type">guint8</span> out_quant[64]</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> quant[64]</code></em>);
<span class="returnvalue">void</span> <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>
(<em class="parameter"><code><span class="type">guint8</span> out_quant[64]</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> quant[64]</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpegvideoparser.description"></a><h2>Description</h2>
<p>
</p>
<div class="refsect2">
<a name="idp59869424"></a><p>
Provides useful functions for mpeg videos bitstream parsing.
</p>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-mpegvideoparser.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstMpegVideoPacketTypeCode"></a><h3>enum GstMpegVideoPacketTypeCode</h3>
<pre class="programlisting">typedef enum {
GST_MPEG_VIDEO_PACKET_PICTURE = 0x00,
GST_MPEG_VIDEO_PACKET_SLICE_MIN = 0x01,
GST_MPEG_VIDEO_PACKET_SLICE_MAX = 0xaf,
GST_MPEG_VIDEO_PACKET_USER_DATA = 0xb2,
GST_MPEG_VIDEO_PACKET_SEQUENCE = 0xb3,
GST_MPEG_VIDEO_PACKET_EXTENSION = 0xb5,
GST_MPEG_VIDEO_PACKET_SEQUENCE_END = 0xb7,
GST_MPEG_VIDEO_PACKET_GOP = 0xb8,
GST_MPEG_VIDEO_PACKET_NONE = 0xff
} GstMpegVideoPacketTypeCode;
</pre>
<p>
Indicates the type of MPEG packet
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-PICTURE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_PICTURE</code></span></p></td>
<td>Picture packet starting code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-SLICE-MIN:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_SLICE_MIN</code></span></p></td>
<td>Slice min packet starting code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-SLICE-MAX:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_SLICE_MAX</code></span></p></td>
<td>Slice max packet starting code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-USER-DATA:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_USER_DATA</code></span></p></td>
<td>User data packet starting code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-SEQUENCE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_SEQUENCE</code></span></p></td>
<td>Sequence packet starting code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-EXTENSION:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_EXTENSION</code></span></p></td>
<td>Extension packet starting code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-SEQUENCE-END:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_SEQUENCE_END</code></span></p></td>
<td>Sequence end packet code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-GOP:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_GOP</code></span></p></td>
<td>Group of Picture packet starting code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-NONE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_NONE</code></span></p></td>
<td>None packet code
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoPacketExtensionCode"></a><h3>enum GstMpegVideoPacketExtensionCode</h3>
<pre class="programlisting">typedef enum {
GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE = 0x01,
GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_DISPLAY = 0x02,
GST_MPEG_VIDEO_PACKET_EXT_QUANT_MATRIX = 0x03,
GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_SCALABLE = 0x05,
GST_MPEG_VIDEO_PACKET_EXT_PICTURE = 0x08
} GstMpegVideoPacketExtensionCode;
</pre>
<p>
Indicates what type of packets are in this block, some are mutually
exclusive though - ie, sequence packs are accumulated separately. GOP &amp;
Picture may occur together or separately.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-EXT-SEQUENCE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE</code></span></p></td>
<td>Sequence extension code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-EXT-SEQUENCE-DISPLAY:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_DISPLAY</code></span></p></td>
<td>Sequence Display extension code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-EXT-QUANT-MATRIX:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_EXT_QUANT_MATRIX</code></span></p></td>
<td>Quantization Matrix extension code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-EXT-SEQUENCE-SCALABLE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_SCALABLE</code></span></p></td>
<td>Sequence Scalable extension code
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PACKET-EXT-PICTURE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PACKET_EXT_PICTURE</code></span></p></td>
<td>Picture coding extension
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoLevel"></a><h3>enum GstMpegVideoLevel</h3>
<pre class="programlisting">typedef enum {
GST_MPEG_VIDEO_LEVEL_HIGH = 0x04,
GST_MPEG_VIDEO_LEVEL_HIGH_1440 = 0x06,
GST_MPEG_VIDEO_LEVEL_MAIN = 0x08,
GST_MPEG_VIDEO_LEVEL_LOW = 0x0a
} GstMpegVideoLevel;
</pre>
<p>
Mpeg-2 Levels.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="GST-MPEG-VIDEO-LEVEL-HIGH:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_LEVEL_HIGH</code></span></p></td>
<td>High level (HL)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-LEVEL-HIGH-1440:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_LEVEL_HIGH_1440</code></span></p></td>
<td>High 1440 level (H-14)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-LEVEL-MAIN:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_LEVEL_MAIN</code></span></p></td>
<td>Main level (ML)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-LEVEL-LOW:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_LEVEL_LOW</code></span></p></td>
<td>Low level (LL)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoProfile"></a><h3>enum GstMpegVideoProfile</h3>
<pre class="programlisting">typedef enum {
GST_MPEG_VIDEO_PROFILE_422 = 0x00,
GST_MPEG_VIDEO_PROFILE_HIGH = 0x01,
GST_MPEG_VIDEO_PROFILE_SPATIALLY_SCALABLE = 0x02,
GST_MPEG_VIDEO_PROFILE_SNR_SCALABLE = 0x03,
GST_MPEG_VIDEO_PROFILE_MAIN = 0x04,
GST_MPEG_VIDEO_PROFILE_SIMPLE = 0x05
} GstMpegVideoProfile;
</pre>
<p>
Mpeg-2 Profiles.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PROFILE-422:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PROFILE_422</code></span></p></td>
<td>4:2:2 profile (422)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PROFILE-HIGH:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PROFILE_HIGH</code></span></p></td>
<td>High profile (HP)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PROFILE-SPATIALLY-SCALABLE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PROFILE_SPATIALLY_SCALABLE</code></span></p></td>
<td>Spatially Scalable profile (Spatial)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PROFILE-SNR-SCALABLE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PROFILE_SNR_SCALABLE</code></span></p></td>
<td>SNR Scalable profile (SNR)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PROFILE-MAIN:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PROFILE_MAIN</code></span></p></td>
<td>Main profile (MP)
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PROFILE-SIMPLE:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PROFILE_SIMPLE</code></span></p></td>
<td>Simple profile (SP)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoPictureType"></a><h3>enum GstMpegVideoPictureType</h3>
<pre class="programlisting">typedef enum {
GST_MPEG_VIDEO_PICTURE_TYPE_I = 0x01,
GST_MPEG_VIDEO_PICTURE_TYPE_P = 0x02,
GST_MPEG_VIDEO_PICTURE_TYPE_B = 0x03,
GST_MPEG_VIDEO_PICTURE_TYPE_D = 0x04
} GstMpegVideoPictureType;
</pre>
<p>
Picture type.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-I:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PICTURE_TYPE_I</code></span></p></td>
<td>Intra-coded (I) frame
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-P:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PICTURE_TYPE_P</code></span></p></td>
<td>Predictive-codec (P) frame
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-B:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PICTURE_TYPE_B</code></span></p></td>
<td>Bidirectionally predictive-coded (B) frame
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PICTURE-TYPE-D:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PICTURE_TYPE_D</code></span></p></td>
<td>D frame
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoPictureStructure"></a><h3>enum GstMpegVideoPictureStructure</h3>
<pre class="programlisting">typedef enum {
GST_MPEG_VIDEO_PICTURE_STRUCTURE_TOP_FIELD = 0x01,
GST_MPEG_VIDEO_PICTURE_STRUCTURE_BOTTOM_FIELD = 0x02,
GST_MPEG_VIDEO_PICTURE_STRUCTURE_FRAME = 0x03
} GstMpegVideoPictureStructure;
</pre>
<p>
Picture structure type.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PICTURE-STRUCTURE-TOP-FIELD:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PICTURE_STRUCTURE_TOP_FIELD</code></span></p></td>
<td>Top field
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PICTURE-STRUCTURE-BOTTOM-FIELD:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PICTURE_STRUCTURE_BOTTOM_FIELD</code></span></p></td>
<td>Bottom field
</td>
</tr>
<tr>
<td><p><a name="GST-MPEG-VIDEO-PICTURE-STRUCTURE-FRAME:CAPS"></a><span class="term"><code class="literal">GST_MPEG_VIDEO_PICTURE_STRUCTURE_FRAME</code></span></p></td>
<td>Frame picture
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoSequenceHdr"></a><h3>struct GstMpegVideoSequenceHdr</h3>
<pre class="programlisting">struct GstMpegVideoSequenceHdr {
guint16 width, height;
guint8 aspect_ratio_info;
guint8 frame_rate_code;
guint32 bitrate_value;
guint16 vbv_buffer_size_value;
guint8 constrained_parameters_flag;
guint8 intra_quantizer_matrix[64];
guint8 non_intra_quantizer_matrix[64];
/* Calculated values */
guint par_w, par_h;
guint fps_n, fps_d;
guint bitrate;
};
</pre>
<p>
The Mpeg2 Video Sequence Header structure.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><span class="type">guint16</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.width"></a>width</code></em>;</span></p></td>
<td>Width of each frame</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint16</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.height"></a>height</code></em>;</span></p></td>
<td>Height of each frame</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.aspect-ratio-info"></a>aspect_ratio_info</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.frame-rate-code"></a>frame_rate_code</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint32</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.bitrate-value"></a>bitrate_value</code></em>;</span></p></td>
<td>Value of the bitrate as is in the stream (400bps unit)</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint16</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.vbv-buffer-size-value"></a>vbv_buffer_size_value</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.constrained-parameters-flag"></a>constrained_parameters_flag</code></em>;</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if this stream uses contrained parameters.</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.intra-quantizer-matrix"></a>intra_quantizer_matrix</code></em>[64];</span></p></td>
<td>intra-quantization table, in zigzag scan order</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.non-intra-quantizer-matrix"></a>non_intra_quantizer_matrix</code></em>[64];</span></p></td>
<td>non-intra quantization table, in zigzag scan order</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/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>;</span></p></td>
<td>Calculated Pixel Aspect Ratio width</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/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>;</span></p></td>
<td>Calculated Pixel Aspect Ratio height</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/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>;</span></p></td>
<td>Calculated Framrate nominator</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/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>;</span></p></td>
<td>Calculated Framerate denominator</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpegVideoSequenceHdr.bitrate"></a>bitrate</code></em>;</span></p></td>
<td>the real bitrate of the Mpeg video stream in bits per second, 0 if VBR stream</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoSequenceExt"></a><h3>struct GstMpegVideoSequenceExt</h3>
<pre class="programlisting">struct GstMpegVideoSequenceExt {
/* mpeg2 decoder profile */
guint8 profile;
/* mpeg2 decoder level */
guint8 level;
guint8 progressive;
guint8 chroma_format;
guint8 horiz_size_ext, vert_size_ext;
guint16 bitrate_ext;
guint8 vbv_buffer_size_extension;
guint8 low_delay;
guint8 fps_n_ext, fps_d_ext;
};
</pre>
<p>
The Mpeg2 Video Sequence Extension structure.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.profile"></a>profile</code></em>;</span></p></td>
<td>mpeg2 decoder profile</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.level"></a>level</code></em>;</span></p></td>
<td>mpeg2 decoder level</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.progressive"></a>progressive</code></em>;</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the frames are progressive <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.chroma-format"></a>chroma_format</code></em>;</span></p></td>
<td>indicates the chrominance format</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.horiz-size-ext"></a>horiz_size_ext</code></em>;</span></p></td>
<td>Horizontal size</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.vert-size-ext"></a>vert_size_ext</code></em>;</span></p></td>
<td>Vertical size</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint16</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.bitrate-ext"></a>bitrate_ext</code></em>;</span></p></td>
<td>The bitrate</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.vbv-buffer-size-extension"></a>vbv_buffer_size_extension</code></em>;</span></p></td>
<td>VBV vuffer size</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.low-delay"></a>low_delay</code></em>;</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the sequence doesn't contain any B-pictures, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>
otherwise</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.fps-n-ext"></a>fps_n_ext</code></em>;</span></p></td>
<td>Framerate nominator code</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoSequenceExt.fps-d-ext"></a>fps_d_ext</code></em>;</span></p></td>
<td>Framerate denominator code</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoPictureHdr"></a><h3>struct GstMpegVideoPictureHdr</h3>
<pre class="programlisting">struct GstMpegVideoPictureHdr {
guint16 tsn;
guint8 pic_type;
guint8 full_pel_forward_vector, full_pel_backward_vector;
guint8 f_code[2][2];
};
</pre>
<p>
The Mpeg2 Video Picture Header structure.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><span class="type">guint16</span> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.tsn"></a>tsn</code></em>;</span></p></td>
<td>Temporal Sequence Number</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.pic-type"></a>pic_type</code></em>;</span></p></td>
<td>Type of the frame</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.full-pel-forward-vector"></a>full_pel_forward_vector</code></em>;</span></p></td>
<td>the full pel forward flag of
the frame: 0 or 1.</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.full-pel-backward-vector"></a>full_pel_backward_vector</code></em>;</span></p></td>
<td>the full pel backward flag
of the frame: 0 or 1.</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureHdr.f-code"></a>f_code</code></em>[2][2];</span></p></td>
<td>F code</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoGop"></a><h3>struct GstMpegVideoGop</h3>
<pre class="programlisting">struct GstMpegVideoGop {
guint8 drop_frame_flag;
guint8 hour, minute, second, frame;
guint8 closed_gop;
guint8 broken_link;
};
</pre>
<p>
The Mpeg Video Group of Picture structure.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoGop.drop-frame-flag"></a>drop_frame_flag</code></em>;</span></p></td>
<td>Drop Frame Flag</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoGop.hour"></a>hour</code></em>;</span></p></td>
<td>Hour (0-23)</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoGop.minute"></a>minute</code></em>;</span></p></td>
<td>Minute (O-59)</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoGop.second"></a>second</code></em>;</span></p></td>
<td>Second (0-59)</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoGop.frame"></a>frame</code></em>;</span></p></td>
<td>Frame (0-59)</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoGop.closed-gop"></a>closed_gop</code></em>;</span></p></td>
<td>Closed Gop</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoGop.broken-link"></a>broken_link</code></em>;</span></p></td>
<td>Broken link</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoPictureExt"></a><h3>struct GstMpegVideoPictureExt</h3>
<pre class="programlisting">struct GstMpegVideoPictureExt {
guint8 f_code[2][2];
guint8 intra_dc_precision;
guint8 picture_structure;
guint8 top_field_first;
guint8 frame_pred_frame_dct;
guint8 concealment_motion_vectors;
guint8 q_scale_type;
guint8 intra_vlc_format;
guint8 alternate_scan;
guint8 repeat_first_field;
guint8 chroma_420_type;
guint8 progressive_frame;
guint8 composite_display;
guint8 v_axis;
guint8 field_sequence;
guint8 sub_carrier;
guint8 burst_amplitude;
guint8 sub_carrier_phase;
};
</pre>
<p>
The Mpeg2 Video Picture Extension structure.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.f-code"></a>f_code</code></em>[2][2];</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.intra-dc-precision"></a>intra_dc_precision</code></em>;</span></p></td>
<td>Intra DC precision</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.picture-structure"></a>picture_structure</code></em>;</span></p></td>
<td>Structure of the picture</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.top-field-first"></a>top_field_first</code></em>;</span></p></td>
<td>Top field first</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.frame-pred-frame-dct"></a>frame_pred_frame_dct</code></em>;</span></p></td>
<td>Frame</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.concealment-motion-vectors"></a>concealment_motion_vectors</code></em>;</span></p></td>
<td>Concealment Motion Vectors</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.q-scale-type"></a>q_scale_type</code></em>;</span></p></td>
<td>Q Scale Type</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.intra-vlc-format"></a>intra_vlc_format</code></em>;</span></p></td>
<td>Intra Vlc Format</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.alternate-scan"></a>alternate_scan</code></em>;</span></p></td>
<td>Alternate Scan</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.repeat-first-field"></a>repeat_first_field</code></em>;</span></p></td>
<td>Repeat First Field</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.chroma-420-type"></a>chroma_420_type</code></em>;</span></p></td>
<td>Chroma 420 Type</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.progressive-frame"></a>progressive_frame</code></em>;</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the frame is progressive <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize</td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.composite-display"></a>composite_display</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.v-axis"></a>v_axis</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.field-sequence"></a>field_sequence</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.sub-carrier"></a>sub_carrier</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.burst-amplitude"></a>burst_amplitude</code></em>;</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term"><span class="type">guint8</span> <em class="structfield"><code><a name="GstMpegVideoPictureExt.sub-carrier-phase"></a>sub_carrier_phase</code></em>;</span></p></td>
<td></td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoQuantMatrixExt"></a><h3>struct GstMpegVideoQuantMatrixExt</h3>
<pre class="programlisting">struct GstMpegVideoQuantMatrixExt {
guint8 load_intra_quantiser_matrix;
guint8 intra_quantiser_matrix[64];
guint8 load_non_intra_quantiser_matrix;
guint8 non_intra_quantiser_matrix[64];
guint8 load_chroma_intra_quantiser_matrix;
guint8 chroma_intra_quantiser_matrix[64];
guint8 load_chroma_non_intra_quantiser_matrix;
guint8 chroma_non_intra_quantiser_matrix[64];
};
</pre>
<p>
The Quant Matrix Extension structure that exposes quantization
matrices in zigzag scan order. i.e. the original encoded scan
order.
</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse"></a><h3>gst_mpeg_video_parse ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse (<em class="parameter"><code><span class="type">GstMpegVideoPacket</span> *packet</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<p>
Parses the MPEG 1/2 video bitstream contained in <em class="parameter"><code>data</code></em>, and returns the
offset, and if known also the size, in <em class="parameter"><code>packet</code></em>. This function will scan
the data to find the next packet if needed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>packet</code></em> :</span></p></td>
<td>a <span class="type">GstMpegVideoPacket</span> to fill with the data and offset of the
next packet found</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The data to parse</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>The size of <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>The offset from which to start parsing</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if a packet start code was found, otherwise FALSE.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse-sequence-header"></a><h3>gst_mpeg_video_parse_sequence_header ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse_sequence_header
(<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gst_mpeg_video_parse_sequence_header</code> is deprecated and should not be used in newly-written code. Use <code class="function">gst_mpeg_video_packet_parse_sequence_header()</code> instead.</p>
</div>
<p>
Parses the <em class="parameter"><code>seqhdr</code></em> Mpeg Video Sequence Header structure members from <em class="parameter"><code>data</code></em>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>seqhdr</code></em> :</span></p></td>
<td>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> structure to fill. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The data from which to parse the sequence header</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>The size of <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>The offset in byte from which to start parsing <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the seqhdr could be parsed correctly, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse-picture-header"></a><h3>gst_mpeg_video_parse_picture_header ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse_picture_header (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> *hdr</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gst_mpeg_video_parse_picture_header</code> is deprecated and should not be used in newly-written code. Use <code class="function">gst_mpeg_video_packet_parse_picture_header()</code> instead.</p>
</div>
<p>
Parsers the <em class="parameter"><code>hdr</code></em> Mpeg Video Picture Header structure members from <em class="parameter"><code>data</code></em>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>hdr</code></em> :</span></p></td>
<td>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> structure to fill. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The data from which to parse the picture header</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>The size of <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>The offset in byte from which to start the parsing</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the picture sequence could be parsed correctly, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>
otherwize.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse-picture-extension"></a><h3>gst_mpeg_video_parse_picture_extension ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse_picture_extension
(<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> *ext</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gst_mpeg_video_parse_picture_extension</code> is deprecated and should not be used in newly-written code. Use <code class="function">gst_mpeg_video_packet_parse_picture_extension()</code> instead.</p>
</div>
<p>
Parse the <em class="parameter"><code>ext</code></em> Mpeg Video Picture Extension structure members from <em class="parameter"><code>data</code></em>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>ext</code></em> :</span></p></td>
<td>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> structure to fill. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The data from which to parse the picture extension</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>The size of <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>The offset in byte from which to start the parsing</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the picture extension could be parsed correctly,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse-gop"></a><h3>gst_mpeg_video_parse_gop ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse_gop (<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gst_mpeg_video_parse_gop</code> is deprecated and should not be used in newly-written code. Use <code class="function">gst_mpeg_video_packet_parse_gop()</code> instead.</p>
</div>
<p>
Parses the <em class="parameter"><code>gop</code></em> Mpeg Video Group of Picture structure members from <em class="parameter"><code>data</code></em>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gop</code></em> :</span></p></td>
<td>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoGop" title="struct GstMpegVideoGop"><span class="type">GstMpegVideoGop</span></a> structure to fill. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The data from which to parse the gop</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>The size of <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>The offset in byte from which to start the parsing</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the gop could be parsed correctly, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse-sequence-extension"></a><h3>gst_mpeg_video_parse_sequence_extension ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse_sequence_extension
(<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gst_mpeg_video_parse_sequence_extension</code> is deprecated and should not be used in newly-written code. Use <code class="function">gst_mpeg_video_packet_parse_sequence_extension()</code> instead.</p>
</div>
<p>
Parses the <em class="parameter"><code>seqext</code></em> Mpeg Video Sequence Extension structure members from <em class="parameter"><code>data</code></em>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>seqext</code></em> :</span></p></td>
<td>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt"><span class="type">GstMpegVideoSequenceExt</span></a> structure to fill. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The data from which to parse the sequence extension</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>The size of <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>The offset in byte from which to start parsing <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the seqext could be parsed correctly, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse-sequence-display-extension"></a><h3>gst_mpeg_video_parse_sequence_display_extension ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse_sequence_display_extension
(<em class="parameter"><code><span class="type">GstMpegVideoSequenceDisplayExt</span> *seqdisplayext</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gst_mpeg_video_parse_sequence_display_extension</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-parse-quant-matrix-extension"></a><h3>gst_mpeg_video_parse_quant_matrix_extension ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_parse_quant_matrix_extension
(<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>,
<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>,
<em class="parameter"><code><span class="type">gsize</span> size</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gst_mpeg_video_parse_quant_matrix_extension</code> is deprecated and should not be used in newly-written code. Use <code class="function">gst_mpeg_video_packet_parse_quant_matrix_extension()</code> instead.</p>
</div>
<p>
Parses the <em class="parameter"><code>quant</code></em> Mpeg Video Quant Matrix Extension structure members from
<em class="parameter"><code>data</code></em>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>quant</code></em> :</span></p></td>
<td>The <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt"><span class="type">GstMpegVideoQuantMatrixExt</span></a> structure to fill. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The data from which to parse the Quantization Matrix extension</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>The size of <em class="parameter"><code>data</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>The offset in byte from which to start the parsing</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the quant matrix extension could be parsed correctly,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-finalise-mpeg2-sequence-header"></a><h3>gst_mpeg_video_finalise_mpeg2_sequence_header ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_mpeg_video_finalise_mpeg2_sequence_header
(<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>,
<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>,
<em class="parameter"><code><span class="type">GstMpegVideoSequenceDisplayExt</span> *displayext</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-quant-matrix-get-raster-from-zigzag"></a><h3>gst_mpeg_video_quant_matrix_get_raster_from_zigzag ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gst_mpeg_video_quant_matrix_get_raster_from_zigzag
(<em class="parameter"><code><span class="type">guint8</span> out_quant[64]</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> quant[64]</code></em>);</pre>
<p>
Converts quantization matrix <em class="parameter"><code>quant</code></em> from zigzag scan order to
raster scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em>.
</p>
<p>
Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em> and
<em class="parameter"><code>out_quant</code></em> arguments.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>out_quant</code></em> :</span></p></td>
<td>The resulting quantization matrix. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>quant</code></em> :</span></p></td>
<td>The source quantization matrix</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-quant-matrix-get-zigzag-from-raster"></a><h3>gst_mpeg_video_quant_matrix_get_zigzag_from_raster ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gst_mpeg_video_quant_matrix_get_zigzag_from_raster
(<em class="parameter"><code><span class="type">guint8</span> out_quant[64]</code></em>,
<em class="parameter"><code>const <span class="type">guint8</span> quant[64]</code></em>);</pre>
<p>
Converts quantization matrix <em class="parameter"><code>quant</code></em> from raster scan order to
zigzag scan order and store the resulting factors into <em class="parameter"><code>out_quant</code></em>.
</p>
<p>
Note: it is an error to pass the same table in both <em class="parameter"><code>quant</code></em> and
<em class="parameter"><code>out_quant</code></em> arguments.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>out_quant</code></em> :</span></p></td>
<td>The resulting quantization matrix. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>quant</code></em> :</span></p></td>
<td>The source quantization matrix</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.2</p>
</div>
</div>
</div>
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