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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstvideo.top_of_page"></a>gstvideo</span></h2>
<p>gstvideo — Support library for video operations</p>
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<div class="refsynopsisdiv">
<a name="gst-plugins-base-libs-gstvideo.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;gst/video/video.h&gt;

#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BLUE-MASK-15:CAPS" title="GST_VIDEO_BLUE_MASK_15">GST_VIDEO_BLUE_MASK_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BLUE-MASK-15-INT:CAPS" title="GST_VIDEO_BLUE_MASK_15_INT">GST_VIDEO_BLUE_MASK_15_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BLUE-MASK-16:CAPS" title="GST_VIDEO_BLUE_MASK_16">GST_VIDEO_BLUE_MASK_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BLUE-MASK-16-INT:CAPS" title="GST_VIDEO_BLUE_MASK_16_INT">GST_VIDEO_BLUE_MASK_16_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE1-MASK-24:CAPS" title="GST_VIDEO_BYTE1_MASK_24">GST_VIDEO_BYTE1_MASK_24</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE1-MASK-24-INT:CAPS" title="GST_VIDEO_BYTE1_MASK_24_INT">GST_VIDEO_BYTE1_MASK_24_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE1-MASK-32:CAPS" title="GST_VIDEO_BYTE1_MASK_32">GST_VIDEO_BYTE1_MASK_32</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE1-MASK-32-INT:CAPS" title="GST_VIDEO_BYTE1_MASK_32_INT">GST_VIDEO_BYTE1_MASK_32_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE2-MASK-24:CAPS" title="GST_VIDEO_BYTE2_MASK_24">GST_VIDEO_BYTE2_MASK_24</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE2-MASK-24-INT:CAPS" title="GST_VIDEO_BYTE2_MASK_24_INT">GST_VIDEO_BYTE2_MASK_24_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE2-MASK-32:CAPS" title="GST_VIDEO_BYTE2_MASK_32">GST_VIDEO_BYTE2_MASK_32</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE2-MASK-32-INT:CAPS" title="GST_VIDEO_BYTE2_MASK_32_INT">GST_VIDEO_BYTE2_MASK_32_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE3-MASK-24:CAPS" title="GST_VIDEO_BYTE3_MASK_24">GST_VIDEO_BYTE3_MASK_24</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE3-MASK-24-INT:CAPS" title="GST_VIDEO_BYTE3_MASK_24_INT">GST_VIDEO_BYTE3_MASK_24_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE3-MASK-32:CAPS" title="GST_VIDEO_BYTE3_MASK_32">GST_VIDEO_BYTE3_MASK_32</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE3-MASK-32-INT:CAPS" title="GST_VIDEO_BYTE3_MASK_32_INT">GST_VIDEO_BYTE3_MASK_32_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE4-MASK-32:CAPS" title="GST_VIDEO_BYTE4_MASK_32">GST_VIDEO_BYTE4_MASK_32</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BYTE4-MASK-32-INT:CAPS" title="GST_VIDEO_BYTE4_MASK_32_INT">GST_VIDEO_BYTE4_MASK_32_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-ABGR:CAPS" title="GST_VIDEO_CAPS_ABGR">GST_VIDEO_CAPS_ABGR</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-ARGB:CAPS" title="GST_VIDEO_CAPS_ARGB">GST_VIDEO_CAPS_ARGB</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-BGR:CAPS" title="GST_VIDEO_CAPS_BGR">GST_VIDEO_CAPS_BGR</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-BGRA:CAPS" title="GST_VIDEO_CAPS_BGRA">GST_VIDEO_CAPS_BGRA</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-BGRx" title="GST_VIDEO_CAPS_BGRx">GST_VIDEO_CAPS_BGRx</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-BGRx-HOST-ENDIAN" title="GST_VIDEO_CAPS_BGRx_HOST_ENDIAN">GST_VIDEO_CAPS_BGRx_HOST_ENDIAN</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-RGB:CAPS" title="GST_VIDEO_CAPS_RGB">GST_VIDEO_CAPS_RGB</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-RGBA:CAPS" title="GST_VIDEO_CAPS_RGBA">GST_VIDEO_CAPS_RGBA</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-RGB-15:CAPS" title="GST_VIDEO_CAPS_RGB_15">GST_VIDEO_CAPS_RGB_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-RGB-16:CAPS" title="GST_VIDEO_CAPS_RGB_16">GST_VIDEO_CAPS_RGB_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-RGBx" title="GST_VIDEO_CAPS_RGBx">GST_VIDEO_CAPS_RGBx</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-YUV:CAPS" title="GST_VIDEO_CAPS_YUV()">GST_VIDEO_CAPS_YUV</a>                  (fourcc)
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-xBGR" title="GST_VIDEO_CAPS_xBGR">GST_VIDEO_CAPS_xBGR</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-xRGB" title="GST_VIDEO_CAPS_xRGB">GST_VIDEO_CAPS_xRGB</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-xRGB-HOST-ENDIAN" title="GST_VIDEO_CAPS_xRGB_HOST_ENDIAN">GST_VIDEO_CAPS_xRGB_HOST_ENDIAN</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-BGR-15:CAPS" title="GST_VIDEO_CAPS_BGR_15">GST_VIDEO_CAPS_BGR_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-BGR-16:CAPS" title="GST_VIDEO_CAPS_BGR_16">GST_VIDEO_CAPS_BGR_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-RGB8-PALETTED:CAPS" title="GST_VIDEO_CAPS_RGB8_PALETTED">GST_VIDEO_CAPS_RGB8_PALETTED</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-GRAY8:CAPS" title="GST_VIDEO_CAPS_GRAY8">GST_VIDEO_CAPS_GRAY8</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-GRAY16:CAPS" title="GST_VIDEO_CAPS_GRAY16()">GST_VIDEO_CAPS_GRAY16</a>               (endianness)
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-ARGB-64:CAPS" title="GST_VIDEO_CAPS_ARGB_64">GST_VIDEO_CAPS_ARGB_64</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-CAPS-r210" title="GST_VIDEO_CAPS_r210">GST_VIDEO_CAPS_r210</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP1-MASK-15:CAPS" title="GST_VIDEO_COMP1_MASK_15">GST_VIDEO_COMP1_MASK_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP1-MASK-15-INT:CAPS" title="GST_VIDEO_COMP1_MASK_15_INT">GST_VIDEO_COMP1_MASK_15_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP1-MASK-16:CAPS" title="GST_VIDEO_COMP1_MASK_16">GST_VIDEO_COMP1_MASK_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP1-MASK-16-INT:CAPS" title="GST_VIDEO_COMP1_MASK_16_INT">GST_VIDEO_COMP1_MASK_16_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP2-MASK-15:CAPS" title="GST_VIDEO_COMP2_MASK_15">GST_VIDEO_COMP2_MASK_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP2-MASK-15-INT:CAPS" title="GST_VIDEO_COMP2_MASK_15_INT">GST_VIDEO_COMP2_MASK_15_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP2-MASK-16:CAPS" title="GST_VIDEO_COMP2_MASK_16">GST_VIDEO_COMP2_MASK_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP2-MASK-16-INT:CAPS" title="GST_VIDEO_COMP2_MASK_16_INT">GST_VIDEO_COMP2_MASK_16_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP3-MASK-15:CAPS" title="GST_VIDEO_COMP3_MASK_15">GST_VIDEO_COMP3_MASK_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP3-MASK-15-INT:CAPS" title="GST_VIDEO_COMP3_MASK_15_INT">GST_VIDEO_COMP3_MASK_15_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP3-MASK-16:CAPS" title="GST_VIDEO_COMP3_MASK_16">GST_VIDEO_COMP3_MASK_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-COMP3-MASK-16-INT:CAPS" title="GST_VIDEO_COMP3_MASK_16_INT">GST_VIDEO_COMP3_MASK_16_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-FPS-RANGE:CAPS" title="GST_VIDEO_FPS_RANGE">GST_VIDEO_FPS_RANGE</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-GREEN-MASK-15:CAPS" title="GST_VIDEO_GREEN_MASK_15">GST_VIDEO_GREEN_MASK_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-GREEN-MASK-15-INT:CAPS" title="GST_VIDEO_GREEN_MASK_15_INT">GST_VIDEO_GREEN_MASK_15_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-GREEN-MASK-16:CAPS" title="GST_VIDEO_GREEN_MASK_16">GST_VIDEO_GREEN_MASK_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-GREEN-MASK-16-INT:CAPS" title="GST_VIDEO_GREEN_MASK_16_INT">GST_VIDEO_GREEN_MASK_16_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-RED-MASK-15:CAPS" title="GST_VIDEO_RED_MASK_15">GST_VIDEO_RED_MASK_15</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-RED-MASK-15-INT:CAPS" title="GST_VIDEO_RED_MASK_15_INT">GST_VIDEO_RED_MASK_15_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-RED-MASK-16:CAPS" title="GST_VIDEO_RED_MASK_16">GST_VIDEO_RED_MASK_16</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-RED-MASK-16-INT:CAPS" title="GST_VIDEO_RED_MASK_16_INT">GST_VIDEO_RED_MASK_16_INT</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-SIZE-RANGE:CAPS" title="GST_VIDEO_SIZE_RANGE">GST_VIDEO_SIZE_RANGE</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BUFFER-TFF:CAPS" title="GST_VIDEO_BUFFER_TFF">GST_VIDEO_BUFFER_TFF</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BUFFER-RFF:CAPS" title="GST_VIDEO_BUFFER_RFF">GST_VIDEO_BUFFER_RFF</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BUFFER-ONEFIELD:CAPS" title="GST_VIDEO_BUFFER_ONEFIELD">GST_VIDEO_BUFFER_ONEFIELD</a>
#define             <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BUFFER-PROGRESSIVE:CAPS" title="GST_VIDEO_BUFFER_PROGRESSIVE">GST_VIDEO_BUFFER_PROGRESSIVE</a>
enum                <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat">GstVideoFormat</a>;
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-calculate-display-ratio" title="gst_video_calculate_display_ratio ()">gst_video_calculate_display_ratio</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *dar_n</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *dar_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_width</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_height</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_par_n</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_par_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> display_par_n</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> display_par_d</code></em>);
const <a href="/usr/share/gtk-doc/html/gobject/gobject-Generic-values.html#GValue"><span class="returnvalue">GValue</span></a> *      <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-frame-rate" title="gst_video_frame_rate ()">gst_video_frame_rate</a>                (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> *pad</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-get-size" title="gst_video_get_size ()">gst_video_get_size</a>                  (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> *pad</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *width</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *height</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-get-size-from-caps" title="gst_video_get_size_from_caps ()">gst_video_get_size_from_caps</a>        (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-convert" title="gst_video_format_convert ()">gst_video_format_convert</a>            (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> fps_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> fps_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> src_format</code></em>,
                                                         <em class="parameter"><code><span class="type">gint64</span> src_value</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> dest_format</code></em>,
                                                         <em class="parameter"><code><span class="type">gint64</span> *dest_value</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-new-caps" title="gst_video_format_new_caps ()">gst_video_format_new_caps</a>           (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_d</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_d</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-new-caps-interlaced" title="gst_video_format_new_caps_interlaced ()">gst_video_format_new_caps_interlaced</a>
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_d</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> interlaced</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-new-template-caps" title="gst_video_format_new_template_caps ()">gst_video_format_new_template_caps</a>  (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-get-component-height" title="gst_video_format_get_component_height ()">gst_video_format_get_component_height</a>
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-get-component-offset" title="gst_video_format_get_component_offset ()">gst_video_format_get_component_offset</a>
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-get-component-width" title="gst_video_format_get_component_width ()">gst_video_format_get_component_width</a>
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-get-component-depth" title="gst_video_format_get_component_depth ()">gst_video_format_get_component_depth</a>
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-get-pixel-stride" title="gst_video_format_get_pixel_stride ()">gst_video_format_get_pixel_stride</a>   (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-get-row-stride" title="gst_video_format_get_row_stride ()">gst_video_format_get_row_stride</a>     (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-get-size" title="gst_video_format_get_size ()">gst_video_format_get_size</a>           (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-has-alpha" title="gst_video_format_has_alpha ()">gst_video_format_has_alpha</a>          (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-is-rgb" title="gst_video_format_is_rgb ()">gst_video_format_is_rgb</a>             (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-is-gray" title="gst_video_format_is_gray ()">gst_video_format_is_gray</a>            (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-is-yuv" title="gst_video_format_is_yuv ()">gst_video_format_is_yuv</a>             (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);
<span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-to-fourcc" title="gst_video_format_to_fourcc ()">gst_video_format_to_fourcc</a>          (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);
<a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="returnvalue">GstVideoFormat</span></a>      <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-from-fourcc" title="gst_video_format_from_fourcc ()">gst_video_format_from_fourcc</a>        (<em class="parameter"><code><span class="type">guint32</span> fourcc</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-parse-caps" title="gst_video_format_parse_caps ()">gst_video_format_parse_caps</a>         (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> *format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *height</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-format-parse-caps-interlaced" title="gst_video_format_parse_caps_interlaced ()">gst_video_format_parse_caps_interlaced</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *interlaced</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-parse-caps-framerate" title="gst_video_parse_caps_framerate ()">gst_video_parse_caps_framerate</a>      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *fps_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *fps_d</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-parse-caps-pixel-aspect-ratio" title="gst_video_parse_caps_pixel_aspect_ratio ()">gst_video_parse_caps_pixel_aspect_ratio</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *par_d</code></em>);
const <span class="returnvalue">char</span> *        <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-parse-caps-color-matrix" title="gst_video_parse_caps_color_matrix ()">gst_video_parse_caps_color_matrix</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);
const <span class="returnvalue">char</span> *        <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-parse-caps-chroma-site" title="gst_video_parse_caps_chroma_site ()">gst_video_parse_caps_chroma_site</a>    (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-parse-caps-palette" title="gst_video_parse_caps_palette ()">gst_video_parse_caps_palette</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);
<span class="returnvalue">void</span>                (<a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoConvertFrameCallback" title="GstVideoConvertFrameCallback ()">*GstVideoConvertFrameCallback</a>)     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buf</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *error</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-convert-frame" title="gst_video_convert_frame ()">gst_video_convert_frame</a>             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buf</code></em>,
                                                         <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *to_caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> timeout</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-convert-frame-async" title="gst_video_convert_frame_async ()">gst_video_convert_frame_async</a>       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buf</code></em>,
                                                         <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *to_caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> timeout</code></em>,
                                                         <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoConvertFrameCallback" title="GstVideoConvertFrameCallback ()"><span class="type">GstVideoConvertFrameCallback</span></a> callback</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> destroy_notify</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="returnvalue">GstEvent</span></a> *          <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-still-frame" title="gst_video_event_new_still_frame ()">gst_video_event_new_still_frame</a>     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> in_still</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-parse-still-frame" title="gst_video_event_parse_still_frame ()">gst_video_event_parse_still_frame</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *in_still</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="returnvalue">GstEvent</span></a> *          <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-upstream-force-key-unit" title="gst_video_event_new_upstream_force_key_unit ()">gst_video_event_new_upstream_force_key_unit</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> running_time</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> count</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="returnvalue">GstEvent</span></a> *          <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-downstream-force-key-unit" title="gst_video_event_new_downstream_force_key_unit ()">gst_video_event_new_downstream_force_key_unit</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> timestamp</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> streamtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> runningtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> count</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-is-force-key-unit" title="gst_video_event_is_force_key_unit ()">gst_video_event_is_force_key_unit</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-parse-upstream-force-key-unit" title="gst_video_event_parse_upstream_force_key_unit ()">gst_video_event_parse_upstream_force_key_unit</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *running_time</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *count</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-parse-downstream-force-key-unit" title="gst_video_event_parse_downstream_force_key_unit ()">gst_video_event_parse_downstream_force_key_unit</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *timestamp</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *streamtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *runningtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *count</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideo.description"></a><h2>Description</h2>
<p>
</p>
<div class="refsect2">
<a name="idp29566608"></a><p>
This library contains some helper functions and includes the
videosink and videofilter base classes.
</p>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstvideo.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GST-VIDEO-BLUE-MASK-15:CAPS"></a><h3>GST_VIDEO_BLUE_MASK_15</h3>
<pre class="programlisting">#define GST_VIDEO_BLUE_MASK_15 GST_VIDEO_COMP3_MASK_15
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_BLUE_MASK_15</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BLUE-MASK-15-INT:CAPS"></a><h3>GST_VIDEO_BLUE_MASK_15_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BLUE_MASK_15_INT GST_VIDEO_COMP3_MASK_15_INT
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_BLUE_MASK_15_INT</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BLUE-MASK-16:CAPS"></a><h3>GST_VIDEO_BLUE_MASK_16</h3>
<pre class="programlisting">#define GST_VIDEO_BLUE_MASK_16 GST_VIDEO_COMP3_MASK_16
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_BLUE_MASK_16</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BLUE-MASK-16-INT:CAPS"></a><h3>GST_VIDEO_BLUE_MASK_16_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BLUE_MASK_16_INT GST_VIDEO_COMP3_MASK_16_INT
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_BLUE_MASK_16_INT</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE1-MASK-24:CAPS"></a><h3>GST_VIDEO_BYTE1_MASK_24</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE1_MASK_24  "0x00FF0000"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE1-MASK-24-INT:CAPS"></a><h3>GST_VIDEO_BYTE1_MASK_24_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE1_MASK_24_INT  0x00FF0000
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE1-MASK-32:CAPS"></a><h3>GST_VIDEO_BYTE1_MASK_32</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE1_MASK_32  "0xFF000000"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE1-MASK-32-INT:CAPS"></a><h3>GST_VIDEO_BYTE1_MASK_32_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE1_MASK_32_INT  0xFF000000
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE2-MASK-24:CAPS"></a><h3>GST_VIDEO_BYTE2_MASK_24</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE2_MASK_24  "0x0000FF00"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE2-MASK-24-INT:CAPS"></a><h3>GST_VIDEO_BYTE2_MASK_24_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE2_MASK_24_INT  0x0000FF00
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE2-MASK-32:CAPS"></a><h3>GST_VIDEO_BYTE2_MASK_32</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE2_MASK_32  "0x00FF0000"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE2-MASK-32-INT:CAPS"></a><h3>GST_VIDEO_BYTE2_MASK_32_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE2_MASK_32_INT  0x00FF0000
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE3-MASK-24:CAPS"></a><h3>GST_VIDEO_BYTE3_MASK_24</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE3_MASK_24  "0x000000FF"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE3-MASK-24-INT:CAPS"></a><h3>GST_VIDEO_BYTE3_MASK_24_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE3_MASK_24_INT  0x000000FF
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE3-MASK-32:CAPS"></a><h3>GST_VIDEO_BYTE3_MASK_32</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE3_MASK_32  "0x0000FF00"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE3-MASK-32-INT:CAPS"></a><h3>GST_VIDEO_BYTE3_MASK_32_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE3_MASK_32_INT  0x0000FF00
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE4-MASK-32:CAPS"></a><h3>GST_VIDEO_BYTE4_MASK_32</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE4_MASK_32  "0x000000FF"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BYTE4-MASK-32-INT:CAPS"></a><h3>GST_VIDEO_BYTE4_MASK_32_INT</h3>
<pre class="programlisting">#define GST_VIDEO_BYTE4_MASK_32_INT  0x000000FF
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-ABGR:CAPS"></a><h3>GST_VIDEO_CAPS_ABGR</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_ABGR</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-ARGB:CAPS"></a><h3>GST_VIDEO_CAPS_ARGB</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_ARGB</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-BGR:CAPS"></a><h3>GST_VIDEO_CAPS_BGR</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_BGR</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-BGRA:CAPS"></a><h3>GST_VIDEO_CAPS_BGRA</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_BGRA</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-BGRx"></a><h3>GST_VIDEO_CAPS_BGRx</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_BGRx</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-BGRx-HOST-ENDIAN"></a><h3>GST_VIDEO_CAPS_BGRx_HOST_ENDIAN</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_BGRx_HOST_ENDIAN</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-RGB:CAPS"></a><h3>GST_VIDEO_CAPS_RGB</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_RGB</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-RGBA:CAPS"></a><h3>GST_VIDEO_CAPS_RGBA</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_RGBA</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-RGB-15:CAPS"></a><h3>GST_VIDEO_CAPS_RGB_15</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_RGB_15</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-RGB-16:CAPS"></a><h3>GST_VIDEO_CAPS_RGB_16</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_RGB_16</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-RGBx"></a><h3>GST_VIDEO_CAPS_RGBx</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_RGBx</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-YUV:CAPS"></a><h3>GST_VIDEO_CAPS_YUV()</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_YUV(fourcc)</pre>
<p>
Generic caps string for YUV video, for use in pad templates.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>fourcc</code></em> :</span></p></td>
<td>YUV fourcc format that describes the pixel layout, as string
(e.g. "I420", "YV12", "YUY2", "AYUV", etc.)</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-xBGR"></a><h3>GST_VIDEO_CAPS_xBGR</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_xBGR</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-xRGB"></a><h3>GST_VIDEO_CAPS_xRGB</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_xRGB</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-xRGB-HOST-ENDIAN"></a><h3>GST_VIDEO_CAPS_xRGB_HOST_ENDIAN</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_xRGB_HOST_ENDIAN</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-BGR-15:CAPS"></a><h3>GST_VIDEO_CAPS_BGR_15</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_BGR_15</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-BGR-16:CAPS"></a><h3>GST_VIDEO_CAPS_BGR_16</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_BGR_16</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-RGB8-PALETTED:CAPS"></a><h3>GST_VIDEO_CAPS_RGB8_PALETTED</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_RGB8_PALETTED</pre>
<p>
Generic caps string for 8-bit paletted RGB video, for use in pad templates.
</p>
<p class="since">Since 0.10.32</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-GRAY8:CAPS"></a><h3>GST_VIDEO_CAPS_GRAY8</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_GRAY8</pre>
<p>
Generic caps string for 8-bit grayscale video, for use in pad templates.
</p>
<p class="since">Since 0.10.29</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-GRAY16:CAPS"></a><h3>GST_VIDEO_CAPS_GRAY16()</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_GRAY16(endianness)</pre>
<p>
Generic caps string for 16-bit grayscale video, for use in pad templates.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>endianness</code></em> :</span></p></td>
<td>endianness as string, ie. either "1234", "4321", "BIG_ENDIAN"
or "LITTLE_ENDIAN"</td>
</tr></tbody>
</table></div>
<p class="since">Since 0.10.29</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-ARGB-64:CAPS"></a><h3>GST_VIDEO_CAPS_ARGB_64</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_ARGB_64</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-CAPS-r210"></a><h3>GST_VIDEO_CAPS_r210</h3>
<pre class="programlisting">#define             GST_VIDEO_CAPS_r210</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP1-MASK-15:CAPS"></a><h3>GST_VIDEO_COMP1_MASK_15</h3>
<pre class="programlisting">#define GST_VIDEO_COMP1_MASK_15 "0x7c00"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP1-MASK-15-INT:CAPS"></a><h3>GST_VIDEO_COMP1_MASK_15_INT</h3>
<pre class="programlisting">#define GST_VIDEO_COMP1_MASK_15_INT 0x7c00
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP1-MASK-16:CAPS"></a><h3>GST_VIDEO_COMP1_MASK_16</h3>
<pre class="programlisting">#define GST_VIDEO_COMP1_MASK_16 "0xf800"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP1-MASK-16-INT:CAPS"></a><h3>GST_VIDEO_COMP1_MASK_16_INT</h3>
<pre class="programlisting">#define GST_VIDEO_COMP1_MASK_16_INT 0xf800
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP2-MASK-15:CAPS"></a><h3>GST_VIDEO_COMP2_MASK_15</h3>
<pre class="programlisting">#define GST_VIDEO_COMP2_MASK_15 "0x03e0"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP2-MASK-15-INT:CAPS"></a><h3>GST_VIDEO_COMP2_MASK_15_INT</h3>
<pre class="programlisting">#define GST_VIDEO_COMP2_MASK_15_INT 0x03e0
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP2-MASK-16:CAPS"></a><h3>GST_VIDEO_COMP2_MASK_16</h3>
<pre class="programlisting">#define GST_VIDEO_COMP2_MASK_16 "0x07e0"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP2-MASK-16-INT:CAPS"></a><h3>GST_VIDEO_COMP2_MASK_16_INT</h3>
<pre class="programlisting">#define GST_VIDEO_COMP2_MASK_16_INT 0x07e0
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP3-MASK-15:CAPS"></a><h3>GST_VIDEO_COMP3_MASK_15</h3>
<pre class="programlisting">#define GST_VIDEO_COMP3_MASK_15 "0x001f"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP3-MASK-15-INT:CAPS"></a><h3>GST_VIDEO_COMP3_MASK_15_INT</h3>
<pre class="programlisting">#define GST_VIDEO_COMP3_MASK_15_INT 0x001f
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP3-MASK-16:CAPS"></a><h3>GST_VIDEO_COMP3_MASK_16</h3>
<pre class="programlisting">#define GST_VIDEO_COMP3_MASK_16 "0x001f"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-COMP3-MASK-16-INT:CAPS"></a><h3>GST_VIDEO_COMP3_MASK_16_INT</h3>
<pre class="programlisting">#define GST_VIDEO_COMP3_MASK_16_INT 0x001f
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-FPS-RANGE:CAPS"></a><h3>GST_VIDEO_FPS_RANGE</h3>
<pre class="programlisting">#define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-GREEN-MASK-15:CAPS"></a><h3>GST_VIDEO_GREEN_MASK_15</h3>
<pre class="programlisting">#define GST_VIDEO_GREEN_MASK_15 GST_VIDEO_COMP2_MASK_15
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_GREEN_MASK_15</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-GREEN-MASK-15-INT:CAPS"></a><h3>GST_VIDEO_GREEN_MASK_15_INT</h3>
<pre class="programlisting">#define GST_VIDEO_GREEN_MASK_15_INT GST_VIDEO_COMP2_MASK_15_INT
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_GREEN_MASK_15_INT</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-GREEN-MASK-16:CAPS"></a><h3>GST_VIDEO_GREEN_MASK_16</h3>
<pre class="programlisting">#define GST_VIDEO_GREEN_MASK_16 GST_VIDEO_COMP2_MASK_16
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_GREEN_MASK_16</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-GREEN-MASK-16-INT:CAPS"></a><h3>GST_VIDEO_GREEN_MASK_16_INT</h3>
<pre class="programlisting">#define GST_VIDEO_GREEN_MASK_16_INT GST_VIDEO_COMP2_MASK_16_INT
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_GREEN_MASK_16_INT</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-RED-MASK-15:CAPS"></a><h3>GST_VIDEO_RED_MASK_15</h3>
<pre class="programlisting">#define GST_VIDEO_RED_MASK_15 GST_VIDEO_COMP1_MASK_15
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_RED_MASK_15</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-RED-MASK-15-INT:CAPS"></a><h3>GST_VIDEO_RED_MASK_15_INT</h3>
<pre class="programlisting">#define GST_VIDEO_RED_MASK_15_INT GST_VIDEO_COMP1_MASK_15_INT
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_RED_MASK_15_INT</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-RED-MASK-16:CAPS"></a><h3>GST_VIDEO_RED_MASK_16</h3>
<pre class="programlisting">#define GST_VIDEO_RED_MASK_16 GST_VIDEO_COMP1_MASK_16
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_RED_MASK_16</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-RED-MASK-16-INT:CAPS"></a><h3>GST_VIDEO_RED_MASK_16_INT</h3>
<pre class="programlisting">#define GST_VIDEO_RED_MASK_16_INT GST_VIDEO_COMP1_MASK_16_INT
</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GST_VIDEO_RED_MASK_16_INT</code> is deprecated and should not be used in newly-written code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-SIZE-RANGE:CAPS"></a><h3>GST_VIDEO_SIZE_RANGE</h3>
<pre class="programlisting">#define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BUFFER-TFF:CAPS"></a><h3>GST_VIDEO_BUFFER_TFF</h3>
<pre class="programlisting">#define GST_VIDEO_BUFFER_TFF GST_BUFFER_FLAG_MEDIA1
</pre>
<p>
If the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> is interlaced, then the first field in the video frame is
the top field.  If unset, the bottom field is first.
</p>
<p class="since">Since 0.10.23</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BUFFER-RFF:CAPS"></a><h3>GST_VIDEO_BUFFER_RFF</h3>
<pre class="programlisting">#define GST_VIDEO_BUFFER_RFF GST_BUFFER_FLAG_MEDIA2
</pre>
<p>
If the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> is interlaced, then the first field (as defined by the
<a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BUFFER-TFF:CAPS" title="GST_VIDEO_BUFFER_TFF"><code class="literal">GST_VIDEO_BUFFER_TFF</code></a> flag setting) is repeated.
</p>
<p class="since">Since 0.10.23</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BUFFER-ONEFIELD:CAPS"></a><h3>GST_VIDEO_BUFFER_ONEFIELD</h3>
<pre class="programlisting">#define GST_VIDEO_BUFFER_ONEFIELD GST_BUFFER_FLAG_MEDIA3
</pre>
<p>
If the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> is interlaced, then only the first field (as defined by the
<a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BUFFER-TFF:CAPS" title="GST_VIDEO_BUFFER_TFF"><code class="literal">GST_VIDEO_BUFFER_TFF</code></a> flag setting) is to be displayed.
</p>
<p class="since">Since 0.10.23</p>
</div>
<hr>
<div class="refsect2">
<a name="GST-VIDEO-BUFFER-PROGRESSIVE:CAPS"></a><h3>GST_VIDEO_BUFFER_PROGRESSIVE</h3>
<pre class="programlisting">#define GST_VIDEO_BUFFER_PROGRESSIVE GST_BUFFER_FLAG_MEDIA4
</pre>
<p>
If the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> is telecined, then the buffer is progressive if the
<a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-BUFFER-PROGRESSIVE:CAPS" title="GST_VIDEO_BUFFER_PROGRESSIVE"><code class="literal">GST_VIDEO_BUFFER_PROGRESSIVE</code></a> flag is set, else it is telecine mixed.
</p>
<p class="since">Since 0.10.33</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoFormat"></a><h3>enum GstVideoFormat</h3>
<pre class="programlisting">typedef enum {
  GST_VIDEO_FORMAT_UNKNOWN,
  GST_VIDEO_FORMAT_I420,
  GST_VIDEO_FORMAT_YV12,
  GST_VIDEO_FORMAT_YUY2,
  GST_VIDEO_FORMAT_UYVY,
  GST_VIDEO_FORMAT_AYUV,
  GST_VIDEO_FORMAT_RGBx,
  GST_VIDEO_FORMAT_BGRx,
  GST_VIDEO_FORMAT_xRGB,
  GST_VIDEO_FORMAT_xBGR,
  GST_VIDEO_FORMAT_RGBA,
  GST_VIDEO_FORMAT_BGRA,
  GST_VIDEO_FORMAT_ARGB,
  GST_VIDEO_FORMAT_ABGR,
  GST_VIDEO_FORMAT_RGB,
  GST_VIDEO_FORMAT_BGR,
  GST_VIDEO_FORMAT_Y41B,
  GST_VIDEO_FORMAT_Y42B,
  GST_VIDEO_FORMAT_YVYU,
  GST_VIDEO_FORMAT_Y444,
  GST_VIDEO_FORMAT_v210,
  GST_VIDEO_FORMAT_v216,
  GST_VIDEO_FORMAT_NV12,
  GST_VIDEO_FORMAT_NV21,
  GST_VIDEO_FORMAT_GRAY8,
  GST_VIDEO_FORMAT_GRAY16_BE,
  GST_VIDEO_FORMAT_GRAY16_LE,
  GST_VIDEO_FORMAT_v308,
  GST_VIDEO_FORMAT_Y800,
  GST_VIDEO_FORMAT_Y16,
  GST_VIDEO_FORMAT_RGB16,
  GST_VIDEO_FORMAT_BGR16,
  GST_VIDEO_FORMAT_RGB15,
  GST_VIDEO_FORMAT_BGR15,
  GST_VIDEO_FORMAT_UYVP,
  GST_VIDEO_FORMAT_A420,
  GST_VIDEO_FORMAT_RGB8_PALETTED,
  GST_VIDEO_FORMAT_YUV9,
  GST_VIDEO_FORMAT_YVU9,
  GST_VIDEO_FORMAT_IYU1,
  GST_VIDEO_FORMAT_ARGB64,
  GST_VIDEO_FORMAT_AYUV64,
  GST_VIDEO_FORMAT_r210
} GstVideoFormat;
</pre>
<p>
Enum value describing the most common video formats.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-UNKNOWN:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_UNKNOWN</code></span></p></td>
<td>Unknown or unset video format id
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-I420:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_I420</code></span></p></td>
<td>planar 4:2:0 YUV
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-YV12:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_YV12</code></span></p></td>
<td>planar 4:2:0 YVU (like I420 but UV planes swapped)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-YUY2:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_YUY2</code></span></p></td>
<td>packed 4:2:2 YUV (Y0-U0-Y1-V0 Y2-U2-Y3-V2 Y4 ...)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-UYVY:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_UYVY</code></span></p></td>
<td>packed 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) 
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-AYUV:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_AYUV</code></span></p></td>
<td>packed 4:4:4 YUV with alpha channel (A0-Y0-U0-V0 ...)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-RGBx"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_RGBx</code></span></p></td>
<td>sparse rgb packed into 32 bit, space last
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-BGRx"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_BGRx</code></span></p></td>
<td>sparse reverse rgb packed into 32 bit, space last
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-xRGB"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_xRGB</code></span></p></td>
<td>sparse rgb packed into 32 bit, space first
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-xBGR"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_xBGR</code></span></p></td>
<td>sparse reverse rgb packed into 32 bit, space first
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-RGBA:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_RGBA</code></span></p></td>
<td>rgb with alpha channel last
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-BGRA:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_BGRA</code></span></p></td>
<td>reverse rgb with alpha channel last
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-ARGB:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_ARGB</code></span></p></td>
<td>rgb with alpha channel first
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-ABGR:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_ABGR</code></span></p></td>
<td>reverse rgb with alpha channel first
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-RGB:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_RGB</code></span></p></td>
<td>rgb
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-BGR:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_BGR</code></span></p></td>
<td>reverse rgb
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-Y41B:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_Y41B</code></span></p></td>
<td>planar 4:1:1 YUV (Since: 0.10.18)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-Y42B:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_Y42B</code></span></p></td>
<td>planar 4:2:2 YUV (Since: 0.10.18)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-YVYU:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_YVYU</code></span></p></td>
<td>packed 4:2:2 YUV (Y0-V0-Y1-U0 Y2-V2-Y3-U2 Y4 ...) (Since: 0.10.23)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-Y444:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_Y444</code></span></p></td>
<td>planar 4:4:4 YUV (Since: 0.10.24)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-v210"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_v210</code></span></p></td>
<td>packed 4:2:2 10-bit YUV, complex format (Since: 0.10.24)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-v216"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_v216</code></span></p></td>
<td>packed 4:2:2 16-bit YUV, Y0-U0-Y1-V1 order (Since: 0.10.24)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-NV12:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_NV12</code></span></p></td>
<td>planar 4:2:0 YUV with interleaved UV plane (Since: 0.10.26)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-NV21:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_NV21</code></span></p></td>
<td>planar 4:2:0 YUV with interleaved VU plane (Since: 0.10.26)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-GRAY8:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_GRAY8</code></span></p></td>
<td>8-bit grayscale (Since: 0.10.29)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-GRAY16-BE:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_GRAY16_BE</code></span></p></td>
<td>16-bit grayscale, most significant byte first (Since: 0.10.29)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-GRAY16-LE:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_GRAY16_LE</code></span></p></td>
<td>16-bit grayscale, least significant byte first (Since: 0.10.29)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-v308"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_v308</code></span></p></td>
<td>packed 4:4:4 YUV (Since: 0.10.29)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-Y800:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_Y800</code></span></p></td>
<td>same as GST_VIDEO_FORMAT_GRAY8 (Since: 0.10.30)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-Y16:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_Y16</code></span></p></td>
<td>same as GST_VIDEO_FORMAT_GRAY16_LE (Since: 0.10.30)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-RGB16:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_RGB16</code></span></p></td>
<td>rgb 5-6-5 bits per component (Since: 0.10.30)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-BGR16:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_BGR16</code></span></p></td>
<td>reverse rgb 5-6-5 bits per component (Since: 0.10.30)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-RGB15:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_RGB15</code></span></p></td>
<td>rgb 5-5-5 bits per component (Since: 0.10.30)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-BGR15:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_BGR15</code></span></p></td>
<td>reverse rgb 5-5-5 bits per component (Since: 0.10.30)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-UYVP:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_UYVP</code></span></p></td>
<td>packed 10-bit 4:2:2 YUV (U0-Y0-V0-Y1 U2-Y2-V2-Y3 U4 ...) (Since: 0.10.31)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-A420:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_A420</code></span></p></td>
<td>planar 4:4:2:0 AYUV (Since: 0.10.31)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-RGB8-PALETTED:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_RGB8_PALETTED</code></span></p></td>
<td>8-bit paletted RGB (Since: 0.10.32)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-YUV9:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_YUV9</code></span></p></td>
<td>planar 4:1:0 YUV (Since: 0.10.32)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-YVU9:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_YVU9</code></span></p></td>
<td>planar 4:1:0 YUV (like YUV9 but UV planes swapped) (Since: 0.10.32)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-IYU1:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_IYU1</code></span></p></td>
<td>packed 4:1:1 YUV (Cb-Y0-Y1-Cr-Y2-Y3 ...) (Since: 0.10.32)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-ARGB64:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_ARGB64</code></span></p></td>
<td>rgb with alpha channel first, 16 bits per channel (Since: 0.10.33)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-AYUV64:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_AYUV64</code></span></p></td>
<td>packed 4:4:4 YUV with alpha channel, 16 bits per channel (A0-Y0-U0-V0 ...) (Since: 0.10.33)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-FORMAT-r210"></a><span class="term"><code class="literal">GST_VIDEO_FORMAT_r210</code></span></p></td>
<td>packed 4:4:4 RGB, 10 bits per channel (Since: 0.10.33)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-calculate-display-ratio"></a><h3>gst_video_calculate_display_ratio ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_calculate_display_ratio   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *dar_n</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *dar_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_width</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_height</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_par_n</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> video_par_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> display_par_n</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> display_par_d</code></em>);</pre>
<p>
Given the Pixel Aspect Ratio and size of an input video frame, and the
pixel aspect ratio of the intended display device, calculates the actual
display ratio the video will be rendered with.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>dar_n</code></em> :</span></p></td>
<td>Numerator of the calculated display_ratio</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dar_d</code></em> :</span></p></td>
<td>Denominator of the calculated display_ratio</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>video_width</code></em> :</span></p></td>
<td>Width of the video frame in pixels</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>video_height</code></em> :</span></p></td>
<td>Height of the video frame in pixels</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>video_par_n</code></em> :</span></p></td>
<td>Numerator of the pixel aspect ratio of the input video.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>video_par_d</code></em> :</span></p></td>
<td>Denominator of the pixel aspect ratio of the input video.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>display_par_n</code></em> :</span></p></td>
<td>Numerator of the pixel aspect ratio of the display device</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>display_par_d</code></em> :</span></p></td>
<td>Denominator of the pixel aspect ratio of the display device</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A boolean indicating success and a calculated Display Ratio in the
dar_n and dar_d parameters.
The return value is FALSE in the case of integer overflow or other error.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.7</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-frame-rate"></a><h3>gst_video_frame_rate ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gobject/gobject-Generic-values.html#GValue"><span class="returnvalue">GValue</span></a> *      gst_video_frame_rate                (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> *pad</code></em>);</pre>
<p>
A convenience function to retrieve a GValue holding the framerate
from the caps on a pad.
</p>
<p>
The pad needs to have negotiated caps containing a framerate property.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>pointer to a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>NULL if the pad has no configured caps or the configured caps
do not contain a framerate.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-get-size"></a><h3>gst_video_get_size ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_get_size                  (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> *pad</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *width</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *height</code></em>);</pre>
<p>
Inspect the caps of the provided pad and retrieve the width and height of
the video frames it is configured for.
</p>
<p>
The pad needs to have negotiated caps containing width and height properties.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>pointer to a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>pointer to integer to hold pixel width of the video frames (output)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>pointer to integer to hold pixel height of the video frames (output)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if the width and height could be retrieved.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-get-size-from-caps"></a><h3>gst_video_get_size_from_caps ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_get_size_from_caps        (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *size</code></em>);</pre>
<p>
Calculates the total number of bytes in the raw video format for the given
caps.  This number should be used when allocating a buffer for raw video.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>a pointer to <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>a pointer to a gint that will be assigned the size (in bytes) of a video frame with the given caps</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the size could be calculated from the caps</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.36</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-convert"></a><h3>gst_video_format_convert ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_format_convert            (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> fps_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> fps_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> src_format</code></em>,
                                                         <em class="parameter"><code><span class="type">gint64</span> src_value</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> dest_format</code></em>,
                                                         <em class="parameter"><code><span class="type">gint64</span> *dest_value</code></em>);</pre>
<p>
Converts among various <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> types.  This function handles
GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT.  For
raw video, GST_FORMAT_DEFAULT corresponds to video frames.  This
function can be to handle pad queries of the type GST_QUERY_CONVERT.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the width of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the height of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>fps_n</code></em> :</span></p></td>
<td>frame rate numerator</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>fps_d</code></em> :</span></p></td>
<td>frame rate denominator</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src_format</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> of the <em class="parameter"><code>src_value</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src_value</code></em> :</span></p></td>
<td>value to convert</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest_format</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> of the <em class="parameter"><code>dest_value</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest_value</code></em> :</span></p></td>
<td>pointer to destination value</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if the conversion was successful.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-new-caps"></a><h3>gst_video_format_new_caps ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_video_format_new_caps           (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_d</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_d</code></em>);</pre>
<p>
Creates a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> object based on the parameters provided.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>the <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> describing the raw video format</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>width of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>height of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>framerate_n</code></em> :</span></p></td>
<td>numerator of frame rate</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>framerate_d</code></em> :</span></p></td>
<td>denominator of frame rate</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_n</code></em> :</span></p></td>
<td>numerator of pixel aspect ratio</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_d</code></em> :</span></p></td>
<td>denominator of pixel aspect ratio</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> object, or NULL if there was an error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-new-caps-interlaced"></a><h3>gst_video_format_new_caps_interlaced ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_video_format_new_caps_interlaced
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> framerate_d</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> par_d</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> interlaced</code></em>);</pre>
<p>
Creates a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> object based on the parameters provided.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>the <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> describing the raw video format</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>width of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>height of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>framerate_n</code></em> :</span></p></td>
<td>numerator of frame rate</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>framerate_d</code></em> :</span></p></td>
<td>denominator of frame rate</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_n</code></em> :</span></p></td>
<td>numerator of pixel aspect ratio</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_d</code></em> :</span></p></td>
<td>denominator of pixel aspect ratio</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>interlaced</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if the format is interlaced</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> object, or NULL if there was an error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.23</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-new-template-caps"></a><h3>gst_video_format_new_template_caps ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_video_format_new_template_caps  (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);</pre>
<p>
Creates a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> object based on the parameters provided.
Size, frame rate, and pixel aspect ratio are set to the full
range.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>the <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> describing the raw video format</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> object, or NULL if there was an error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.33</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-get-component-height"></a><h3>gst_video_format_get_component_height ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 gst_video_format_get_component_height
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Calculates the height of the component.  See
<em class="parameter"><code>gst_video_format_get_row_stride</code></em> for a description
of the component index.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>component</code></em> :</span></p></td>
<td>the component index</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the height of video</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>height of component <em class="parameter"><code>component</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-get-component-offset"></a><h3>gst_video_format_get_component_offset ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 gst_video_format_get_component_offset
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Calculates the offset (in bytes) of the first pixel of the component
with index <em class="parameter"><code>component</code></em>.  For packed formats, this will typically be a
small integer (0, 1, 2, 3).  For planar formats, this will be a
(relatively) large offset to the beginning of the second or third
component planes.  See <em class="parameter"><code>gst_video_format_get_row_stride</code></em> for a description
of the component index.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>component</code></em> :</span></p></td>
<td>the component index</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the width of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the height of video</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>offset of component <em class="parameter"><code>component</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-get-component-width"></a><h3>gst_video_format_get_component_width ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 gst_video_format_get_component_width
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>);</pre>
<p>
Calculates the width of the component.  See
<em class="parameter"><code>gst_video_format_get_row_stride</code></em> for a description
of the component index.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>component</code></em> :</span></p></td>
<td>the component index</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the width of video</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>width of component <em class="parameter"><code>component</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-get-component-depth"></a><h3>gst_video_format_get_component_depth ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 gst_video_format_get_component_depth
                                                        (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>);</pre>
<p>
Returns the number of bits used to encode an individual pixel of
a given <em class="parameter"><code>component</code></em>.  Typically this is 8, although higher and lower
values are possible for some formats.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>component</code></em> :</span></p></td>
<td>the video component (e.g. 0 for 'R' in RGB)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>depth of component</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.33</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-get-pixel-stride"></a><h3>gst_video_format_get_pixel_stride ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 gst_video_format_get_pixel_stride   (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>);</pre>
<p>
Calculates the pixel stride (number of bytes from one pixel to the
pixel to its immediate left) for the video component with an index
of <em class="parameter"><code>component</code></em>.  See <em class="parameter"><code>gst_video_format_get_row_stride</code></em> for a description
of the component index.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>component</code></em> :</span></p></td>
<td>the component index</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>pixel stride of component <em class="parameter"><code>component</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-get-row-stride"></a><h3>gst_video_format_get_row_stride ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 gst_video_format_get_row_stride     (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> component</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>);</pre>
<p>
Calculates the row stride (number of bytes from one row of pixels to
the next) for the video component with an index of <em class="parameter"><code>component</code></em>.  For
YUV video, Y, U, and V have component indices of 0, 1, and 2,
respectively.  For RGB video, R, G, and B have component indicies of
0, 1, and 2, respectively.  Alpha channels, if present, have a component
index of 3.  The <em class="parameter"><code>width</code></em> parameter always represents the width of the
video, not the component.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>component</code></em> :</span></p></td>
<td>the component index</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the width of video</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>row stride of component <em class="parameter"><code>component</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-get-size"></a><h3>gst_video_format_get_size ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 gst_video_format_get_size           (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Calculates the total number of bytes in the raw video format.  This
number should be used when allocating a buffer for raw video.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the width of video</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the height of video</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>size (in bytes) of raw video format</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-has-alpha"></a><h3>gst_video_format_has_alpha ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_format_has_alpha          (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);</pre>
<p>
Returns TRUE or FALSE depending on if the video format provides an
alpha channel.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>format</code></em> has an alpha channel</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-is-rgb"></a><h3>gst_video_format_is_rgb ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_format_is_rgb             (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);</pre>
<p>
Determine whether the video format is an RGB format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>format</code></em> represents RGB video</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-is-gray"></a><h3>gst_video_format_is_gray ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_format_is_gray            (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);</pre>
<p>
Determine whether the video format is a grayscale format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>format</code></em> represents grayscale video</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.29</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-is-yuv"></a><h3>gst_video_format_is_yuv ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_format_is_yuv             (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);</pre>
<p>
Determine whether the video format is a YUV format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>format</code></em> represents YUV video</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-to-fourcc"></a><h3>gst_video_format_to_fourcc ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>             gst_video_format_to_fourcc          (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>);</pre>
<p>
Converts a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> value into the corresponding FOURCC.  Only
a few YUV formats have corresponding FOURCC values.  If <em class="parameter"><code>format</code></em> has
no corresponding FOURCC value, 0 is returned.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> video format</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the FOURCC corresponding to <em class="parameter"><code>format</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-from-fourcc"></a><h3>gst_video_format_from_fourcc ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="returnvalue">GstVideoFormat</span></a>      gst_video_format_from_fourcc        (<em class="parameter"><code><span class="type">guint32</span> fourcc</code></em>);</pre>
<p>
Converts a FOURCC value into the corresponding <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>.
If the FOURCC cannot be represented by <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>,
<a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-FORMAT-UNKNOWN:CAPS"><span class="type">GST_VIDEO_FORMAT_UNKNOWN</span></a> is returned.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>fourcc</code></em> :</span></p></td>
<td>a FOURCC value representing raw YUV video</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> describing the FOURCC value</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-parse-caps"></a><h3>gst_video_format_parse_caps ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_format_parse_caps         (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> *format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *height</code></em>);</pre>
<p>
Determines the <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> of <em class="parameter"><code>caps</code></em> and places it in the location
pointed to by <em class="parameter"><code>format</code></em>.  Extracts the size of the video and places it
in the location pointed to by <em class="parameter"><code>width</code></em> and <em class="parameter"><code>height</code></em>.  If <em class="parameter"><code>caps</code></em> does not
represent a video format or does not contain height and width, the
function will fail and return FALSE. If <em class="parameter"><code>caps</code></em> does not represent a raw
video format listed in <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>, but still contains video caps,
this function will return TRUE and set <em class="parameter"><code>format</code></em> to <a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-FORMAT-UNKNOWN:CAPS"><span class="type">GST_VIDEO_FORMAT_UNKNOWN</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>the <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> of the video represented by <em class="parameter"><code>caps</code></em> (output)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the width of the video represented by <em class="parameter"><code>caps</code></em>, may be NULL (output)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the height of the video represented by <em class="parameter"><code>caps</code></em>, may be NULL (output)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>caps</code></em> was parsed correctly.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-format-parse-caps-interlaced"></a><h3>gst_video_format_parse_caps_interlaced ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_format_parse_caps_interlaced
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *interlaced</code></em>);</pre>
<p>
Extracts whether the caps represents interlaced content or not and places it
in <em class="parameter"><code>interlaced</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>caps</code></em> :</span></p></td>
<td>the fixed <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>interlaced</code></em> :</span></p></td>
<td>whether <em class="parameter"><code>caps</code></em> represents interlaced video or not, may be NULL (output)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>caps</code></em> was parsed correctly.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.23</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-parse-caps-framerate"></a><h3>gst_video_parse_caps_framerate ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_parse_caps_framerate      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *fps_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *fps_d</code></em>);</pre>
<p>
Extracts the frame rate from <em class="parameter"><code>caps</code></em> and places the values in the locations
pointed to by <em class="parameter"><code>fps_n</code></em> and <em class="parameter"><code>fps_d</code></em>.  Returns TRUE if the values could be
parsed correctly, FALSE if not.
</p>
<p>
This function can be used with <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> that have any media type; it
is not limited to formats handled by <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>pointer to a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> instance</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>fps_n</code></em> :</span></p></td>
<td>pointer to integer to hold numerator of frame rate (output)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>fps_d</code></em> :</span></p></td>
<td>pointer to integer to hold denominator of frame rate (output)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>caps</code></em> was parsed correctly.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-parse-caps-pixel-aspect-ratio"></a><h3>gst_video_parse_caps_pixel_aspect_ratio ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_parse_caps_pixel_aspect_ratio
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *par_n</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> *par_d</code></em>);</pre>
<p>
Extracts the pixel aspect ratio from <em class="parameter"><code>caps</code></em> and places the values in
the locations pointed to by <em class="parameter"><code>par_n</code></em> and <em class="parameter"><code>par_d</code></em>.  Returns TRUE if the
values could be parsed correctly, FALSE if not.
</p>
<p>
This function can be used with <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> that have any media type; it
is not limited to formats handled by <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>pointer to a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> instance</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_n</code></em> :</span></p></td>
<td>pointer to numerator of pixel aspect ratio (output)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>par_d</code></em> :</span></p></td>
<td>pointer to denominator of pixel aspect ratio (output)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>caps</code></em> was parsed correctly.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-parse-caps-color-matrix"></a><h3>gst_video_parse_caps_color_matrix ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *        gst_video_parse_caps_color_matrix   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre>
<p>
Extracts the color matrix used by the caps.  Possible values are
"sdtv" for the standard definition color matrix (as specified in
Rec. ITU-R BT.470-6) or "hdtv" for the high definition color
matrix (as specified in Rec. ITU-R BT.709)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>the fixed <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a color matrix string, or NULL if no color matrix could be
determined.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.29</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-parse-caps-chroma-site"></a><h3>gst_video_parse_caps_chroma_site ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *        gst_video_parse_caps_chroma_site    (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre>
<p>
Extracts the chroma site used by the caps.  Possible values are
"mpeg2" for MPEG-2 style chroma siting (co-sited horizontally,
halfway-sited vertically), "jpeg" for JPEG and Theora style
chroma siting (halfway-sited both horizontally and vertically).
Other chroma site values are possible, but uncommon.
</p>
<p>
When no chroma site is specified in the caps, it should be assumed
to be "mpeg2".
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>the fixed <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a chroma site string, or NULL if no chroma site could be
determined.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.29</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-parse-caps-palette"></a><h3>gst_video_parse_caps_palette ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_video_parse_caps_palette        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre>
<p>
Returns the palette data from the caps as a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>. For
<a class="link" href="gst-plugins-base-libs-gstvideo.html#GST-VIDEO-FORMAT-RGB8-PALETTED:CAPS"><span class="type">GST_VIDEO_FORMAT_RGB8_PALETTED</span></a> this is containing 256 <span class="type">guint32</span>
values, each containing ARGB colors in native endianness.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> containing the palette data. Unref after usage.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.32</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoConvertFrameCallback"></a><h3>GstVideoConvertFrameCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                (*GstVideoConvertFrameCallback)     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buf</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> *error</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-convert-frame"></a><h3>gst_video_convert_frame ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_video_convert_frame             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buf</code></em>,
                                                         <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *to_caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> timeout</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Converts a raw video buffer into the specified output caps.
</p>
<p>
The output caps can be any raw video formats or any image formats (jpeg, png, ...).
</p>
<p>
The width, height and pixel-aspect-ratio can also be specified in the output caps.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>to_caps</code></em> :</span></p></td>
<td>the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> to convert to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timeout</code></em> :</span></p></td>
<td>the maximum amount of time allowed for the processing.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>pointer to a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>. Can be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The converted <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if an error happened (in which case <em class="parameter"><code>err</code></em>
will point to the <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>).</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-convert-frame-async"></a><h3>gst_video_convert_frame_async ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_video_convert_frame_async       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buf</code></em>,
                                                         <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *to_caps</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> timeout</code></em>,
                                                         <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoConvertFrameCallback" title="GstVideoConvertFrameCallback ()"><span class="type">GstVideoConvertFrameCallback</span></a> callback</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> destroy_notify</code></em>);</pre>
<p>
Converts a raw video buffer into the specified output caps.
</p>
<p>
The output caps can be any raw video formats or any image formats (jpeg, png, ...).
</p>
<p>
The width, height and pixel-aspect-ratio can also be specified in the output caps.
</p>
<p>
<em class="parameter"><code>callback</code></em> will be called after conversion, when an error occured or if conversion didn't
finish after <em class="parameter"><code>timeout</code></em>. <em class="parameter"><code>callback</code></em> will always be called from the thread default
<a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#GMainContext"><code class="literal">GMainContext</code></a>, see <a href="/usr/share/gtk-doc/html/glib/glib-The-Main-Event-Loop.html#g-main-context-get-thread-default"><code class="function">g_main_context_get_thread_default()</code></a>. If GLib before 2.22 is used,
this will always be the global default main context.
</p>
<p>
<em class="parameter"><code>destroy_notify</code></em> will be called after the callback was called and <em class="parameter"><code>user_data</code></em> is not needed
anymore.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>to_caps</code></em> :</span></p></td>
<td>the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> to convert to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timeout</code></em> :</span></p></td>
<td>the maximum amount of time allowed for the processing.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>
<a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoConvertFrameCallback" title="GstVideoConvertFrameCallback ()"><code class="literal">GstVideoConvertFrameCallback</code></a> that will be called after conversion.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>extra data that will be passed to the <em class="parameter"><code>callback</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>destroy_notify</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><code class="literal">GDestroyNotify</code></a> to be called after <em class="parameter"><code>user_data</code></em> is not needed anymore</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-event-new-still-frame"></a><h3>gst_video_event_new_still_frame ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="returnvalue">GstEvent</span></a> *          gst_video_event_new_still_frame     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> in_still</code></em>);</pre>
<p>
Creates a new Still Frame event. If <em class="parameter"><code>in_still</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, then the event
represents the start of a still frame sequence. If it is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, then
the event ends a still frame sequence.
</p>
<p>
To parse an event created by <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-still-frame" title="gst_video_event_new_still_frame ()"><code class="function">gst_video_event_new_still_frame()</code></a> use
<a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-parse-still-frame" title="gst_video_event_parse_still_frame ()"><code class="function">gst_video_event_parse_still_frame()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>in_still</code></em> :</span></p></td>
<td>boolean value for the still-frame state of the event.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The new GstEvent</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.26</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-event-parse-still-frame"></a><h3>gst_video_event_parse_still_frame ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_event_parse_still_frame   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *in_still</code></em>);</pre>
<p>
Parse a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a>, identify if it is a Still Frame event, and
return the still-frame state from the event if it is.
If the event represents the start of a still frame, the in_still
variable will be set to TRUE, otherwise FALSE. It is OK to pass NULL for the
in_still variable order to just check whether the event is a valid still-frame
event.
</p>
<p>
Create a still frame event using <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-still-frame" title="gst_video_event_new_still_frame ()"><code class="function">gst_video_event_new_still_frame()</code></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>event</code></em> :</span></p></td>
<td>A <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>in_still</code></em> :</span></p></td>
<td>A boolean to receive the still-frame status from the event, or NULL</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the event is a valid still-frame event. <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if not</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.26</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-event-new-upstream-force-key-unit"></a><h3>gst_video_event_new_upstream_force_key_unit ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="returnvalue">GstEvent</span></a> *          gst_video_event_new_upstream_force_key_unit
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> running_time</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> count</code></em>);</pre>
<p>
Creates a new upstream force key unit event. An upstream force key unit event
can be sent to request upstream elements to produce a key unit. 
</p>
<p>
<em class="parameter"><code>running_time</code></em> can be set to request a new key unit at a specific
running_time. If set to GST_CLOCK_TIME_NONE, upstream elements will produce a
new key unit as soon as possible.
</p>
<p>
To parse an event created by <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-downstream-force-key-unit" title="gst_video_event_new_downstream_force_key_unit ()"><code class="function">gst_video_event_new_downstream_force_key_unit()</code></a> use
<a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-parse-downstream-force-key-unit" title="gst_video_event_parse_downstream_force_key_unit ()"><code class="function">gst_video_event_parse_downstream_force_key_unit()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>running_time</code></em> :</span></p></td>
<td>the running_time at which a new key unit should be produced</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>all_headers</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to produce headers when starting a new key unit</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>count</code></em> :</span></p></td>
<td>integer that can be used to number key units</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The new GstEvent</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.36</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-event-new-downstream-force-key-unit"></a><h3>gst_video_event_new_downstream_force_key_unit ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="returnvalue">GstEvent</span></a> *          gst_video_event_new_downstream_force_key_unit
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> timestamp</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> streamtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> runningtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> count</code></em>);</pre>
<p>
Creates a new downstream force key unit event. A downstream force key unit
event can be sent down the pipeline to request downstream elements to produce
a key unit. A downstream force key unit event must also be sent when handling
an upstream force key unit event to notify downstream that the latter has been
handled.
</p>
<p>
To parse an event created by <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-downstream-force-key-unit" title="gst_video_event_new_downstream_force_key_unit ()"><code class="function">gst_video_event_new_downstream_force_key_unit()</code></a> use
<a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-parse-downstream-force-key-unit" title="gst_video_event_parse_downstream_force_key_unit ()"><code class="function">gst_video_event_parse_downstream_force_key_unit()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
<td>the timestamp of the buffer that starts a new key unit</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream_time</code></em> :</span></p></td>
<td>the stream_time of the buffer that starts a new key unit</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>running_time</code></em> :</span></p></td>
<td>the running_time of the buffer that starts a new key unit</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>all_headers</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to produce headers when starting a new key unit</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>count</code></em> :</span></p></td>
<td>integer that can be used to number key units</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The new GstEvent</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.36</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-event-is-force-key-unit"></a><h3>gst_video_event_is_force_key_unit ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_event_is_force_key_unit   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>);</pre>
<p>
Checks if an event is a force key unit event. Returns true for both upstream
and downstream force key unit events.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>event</code></em> :</span></p></td>
<td>A <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> to check</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the event is a valid force key unit event</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.36</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-event-parse-upstream-force-key-unit"></a><h3>gst_video_event_parse_upstream_force_key_unit ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_event_parse_upstream_force_key_unit
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *running_time</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *count</code></em>);</pre>
<p>
Get running-time, all-headers and count in the force key unit event. See
<a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-upstream-force-key-unit" title="gst_video_event_new_upstream_force_key_unit ()"><code class="function">gst_video_event_new_upstream_force_key_unit()</code></a> for a full description of the
upstream force key unit event.
</p>
<p>
Create an upstream force key unit event using  <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-upstream-force-key-unit" title="gst_video_event_new_upstream_force_key_unit ()"><code class="function">gst_video_event_new_upstream_force_key_unit()</code></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>event</code></em> :</span></p></td>
<td>A <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>running_time</code></em> :</span></p></td>
<td>A pointer to the running_time in the event. <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>all_headers</code></em> :</span></p></td>
<td>A pointer to the all_headers flag in the event. <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>count</code></em> :</span></p></td>
<td>A pointer to the count field in the event. <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"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the event is a valid upstream force-key-unit event. <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if not</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.36</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-video-event-parse-downstream-force-key-unit"></a><h3>gst_video_event_parse_downstream_force_key_unit ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_video_event_parse_downstream_force_key_unit
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> *event</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *timestamp</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *streamtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> *runningtime</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *all_headers</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *count</code></em>);</pre>
<p>
Get timestamp, stream-time, running-time, all-headers and count in the force
key unit event. See <a class="link" href="gst-plugins-base-libs-gstvideo.html#gst-video-event-new-downstream-force-key-unit" title="gst_video_event_new_downstream_force_key_unit ()"><code class="function">gst_video_event_new_downstream_force_key_unit()</code></a> for a
full description of the downstream force key unit event.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>event</code></em> :</span></p></td>
<td>A <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> to parse</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
<td>A pointer to the timestamp in the event. <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>stream_time</code></em> :</span></p></td>
<td>A pointer to the stream-time in the event. <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>running_time</code></em> :</span></p></td>
<td>A pointer to the running-time in the event. <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>all_headers</code></em> :</span></p></td>
<td>A pointer to the all_headers flag in the event. <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>count</code></em> :</span></p></td>
<td>A pointer to the count field of the event. <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"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the event is a valid downstream force key unit event.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.36</p>
</div>
</div>
</div>
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