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| <a href="#gst-plugins-bad-libs-mpegvideoparser.synopsis" class="shortcut">Top</a> |
| | |
| <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> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <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> |
| <td valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsynopsisdiv"> |
| <a name="gst-plugins-bad-libs-mpegvideoparser.synopsis"></a><h2>Synopsis</h2> |
| <pre class="synopsis"> |
| #include <gst/codecparsers/gstmpegvideoparser.h> |
| |
| 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> *params</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-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>); |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-bad-libs-mpegvideoparser.description"></a><h2>Description</h2> |
| <p> |
| </p> |
| <div class="refsect2"> |
| <a name="idp9977120"></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"> |
| <col align="left" valign="top"> |
| <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_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 & |
| Picture may occur together or separately. |
| </p> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <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-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"> |
| <col align="left" valign="top"> |
| <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"> |
| <col align="left" valign="top"> |
| <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"> |
| <col align="left" valign="top"> |
| <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"> |
| <col align="left" valign="top"> |
| <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"> |
| <col align="left" valign="top"> |
| <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</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</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"> |
| <col align="left" valign="top"> |
| <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"> |
| <col align="left" valign="top"> |
| <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"> |
| <col align="left" valign="top"> |
| <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"> |
| <col align="left" valign="top"> |
| <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 |
| </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 |
| detect packets as a list of <span class="type">GstMpegVideoTypeOffsetSize</span>. |
| </p> |
| <div class="variablelist"><table border="0"> |
| <col align="left" valign="top"> |
| <tbody> |
| <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</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> *params</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 <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"> |
| <col align="left" valign="top"> |
| <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> |
| <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"> |
| <col align="left" valign="top"> |
| <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> |
| <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"> |
| <col align="left" valign="top"> |
| <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> |
| <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"> |
| <col align="left" valign="top"> |
| <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> |
| <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"> |
| <col align="left" valign="top"> |
| <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-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> |
| <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"> |
| <col align="left" valign="top"> |
| <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> |
| </div> |
| </div> |
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