1189 lines
53 KiB
XML
1189 lines
53 KiB
XML
<?xml version="1.0"?>
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<!-- This file was automatically generated from C sources - DO NOT EDIT!
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To affect the contents of this file, edit the original C definitions,
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and/or use gtk-doc annotations. -->
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<repository version="1.2"
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xmlns="http://www.gtk.org/introspection/core/1.0"
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xmlns:c="http://www.gtk.org/introspection/c/1.0"
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xmlns:glib="http://www.gtk.org/introspection/glib/1.0">
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<include name="GLib" version="2.0"/>
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<include name="GModule" version="2.0"/>
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<include name="GObject" version="2.0"/>
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<include name="Gst" version="0.10"/>
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<include name="GstBase" version="0.10"/>
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<include name="libxml2" version="2.0"/>
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<package name="gstreamer-video-0.10"/>
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<c:include name="gst/video/gstvideofilter.h"/>
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<c:include name="gst/video/gstvideosink.h"/>
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<c:include name="gst/video/video-enumtypes.h"/>
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<c:include name="gst/video/video.h"/>
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<namespace name="GstVideo"
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version="0.10"
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shared-library="libgstvideo-0.10.so.0"
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c:identifier-prefixes="Gst"
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c:symbol-prefixes="gst">
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<constant name="VIDEO_BYTE1_MASK_24" value="0x00FF0000">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_BYTE1_MASK_24_INT" value="16711680">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_BYTE1_MASK_32" value="0xFF000000">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_BYTE1_MASK_32_INT" value="-16777216">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_BYTE2_MASK_24" value="0x0000FF00">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_BYTE2_MASK_24_INT" value="65280">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_BYTE2_MASK_32" value="0x00FF0000">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_BYTE2_MASK_32_INT" value="16711680">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_BYTE3_MASK_24" value="0x000000FF">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_BYTE3_MASK_24_INT" value="255">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_BYTE3_MASK_32" value="0x0000FF00">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_BYTE3_MASK_32_INT" value="65280">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_BYTE4_MASK_32" value="0x000000FF">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_BYTE4_MASK_32_INT" value="255">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_CAPS_GRAY8"
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value="video/x-raw-gray, bpp = (int) 8, depth = (int) 8, width = ">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_CAPS_RGB8_PALETTED"
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value="video/x-raw-rgb, bpp = (int)8, depth = (int)8, width = ">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_COMP1_MASK_15" value="0x7c00">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_COMP1_MASK_15_INT" value="31744">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_COMP1_MASK_16" value="0xf800">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_COMP1_MASK_16_INT" value="63488">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_COMP2_MASK_15" value="0x03e0">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_COMP2_MASK_15_INT" value="992">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_COMP2_MASK_16" value="0x07e0">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_COMP2_MASK_16_INT" value="2016">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_COMP3_MASK_15" value="0x001f">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_COMP3_MASK_15_INT" value="31">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_COMP3_MASK_16" value="0x001f">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_COMP3_MASK_16_INT" value="31">
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<type name="gint" c:type="gint"/>
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</constant>
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<constant name="VIDEO_FPS_RANGE" value="(fraction) [ 0, max ]">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="VIDEO_SIZE_RANGE" value="(int) [ 1, max ]">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<callback name="VideoConvertFrameCallback"
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c:type="GstVideoConvertFrameCallback">
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<return-value transfer-ownership="none">
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<type name="none" c:type="void"/>
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</return-value>
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<parameters>
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<parameter name="buf" transfer-ownership="none">
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<type name="Gst.Buffer" c:type="GstBuffer*"/>
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</parameter>
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<parameter name="error" transfer-ownership="none">
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<type name="GLib.Error" c:type="GError*"/>
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</parameter>
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<parameter name="user_data" transfer-ownership="none" closure="2">
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<type name="gpointer" c:type="gpointer"/>
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</parameter>
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</parameters>
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</callback>
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<class name="VideoFilter"
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c:symbol-prefix="video_filter"
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c:type="GstVideoFilter"
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parent="GstBase.BaseTransform"
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abstract="1"
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glib:type-name="GstVideoFilter"
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glib:get-type="gst_video_filter_get_type"
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glib:type-struct="VideoFilterClass">
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<field name="element">
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<type name="GstBase.BaseTransform" c:type="GstBaseTransform"/>
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</field>
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<field name="inited">
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<type name="gboolean" c:type="gboolean"/>
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</field>
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</class>
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<record name="VideoFilterClass"
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c:type="GstVideoFilterClass"
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glib:is-gtype-struct-for="VideoFilter">
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<field name="parent_class">
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<type name="GstBase.BaseTransformClass"
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c:type="GstBaseTransformClass"/>
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</field>
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</record>
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<enumeration name="VideoFormat"
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glib:type-name="GstVideoFormat"
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glib:get-type="gst_video_format_get_type"
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c:type="GstVideoFormat">
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<doc xml:whitespace="preserve">Enum value describing the most common video formats.</doc>
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<member name="unknown"
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value="0"
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c:identifier="GST_VIDEO_FORMAT_UNKNOWN"
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glib:nick="unknown"/>
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<member name="i420"
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value="1"
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c:identifier="GST_VIDEO_FORMAT_I420"
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glib:nick="i420"/>
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<member name="yv12"
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value="2"
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c:identifier="GST_VIDEO_FORMAT_YV12"
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glib:nick="yv12"/>
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<member name="yuy2"
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value="3"
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c:identifier="GST_VIDEO_FORMAT_YUY2"
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glib:nick="yuy2"/>
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<member name="uyvy"
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value="4"
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c:identifier="GST_VIDEO_FORMAT_UYVY"
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glib:nick="uyvy"/>
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<member name="ayuv"
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value="5"
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c:identifier="GST_VIDEO_FORMAT_AYUV"
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glib:nick="ayuv"/>
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<member name="rgbx"
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value="6"
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c:identifier="GST_VIDEO_FORMAT_RGBx"
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glib:nick="rgbx"/>
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<member name="bgrx"
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value="7"
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c:identifier="GST_VIDEO_FORMAT_BGRx"
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glib:nick="bgrx"/>
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<member name="xrgb"
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value="8"
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c:identifier="GST_VIDEO_FORMAT_xRGB"
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glib:nick="xrgb"/>
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<member name="xbgr"
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value="9"
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c:identifier="GST_VIDEO_FORMAT_xBGR"
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glib:nick="xbgr"/>
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<member name="rgba"
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value="10"
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c:identifier="GST_VIDEO_FORMAT_RGBA"
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glib:nick="rgba"/>
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<member name="bgra"
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value="11"
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c:identifier="GST_VIDEO_FORMAT_BGRA"
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glib:nick="bgra"/>
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<member name="argb"
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value="12"
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c:identifier="GST_VIDEO_FORMAT_ARGB"
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glib:nick="argb"/>
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<member name="abgr"
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value="13"
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c:identifier="GST_VIDEO_FORMAT_ABGR"
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glib:nick="abgr"/>
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<member name="rgb"
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value="14"
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c:identifier="GST_VIDEO_FORMAT_RGB"
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glib:nick="rgb"/>
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<member name="bgr"
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value="15"
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c:identifier="GST_VIDEO_FORMAT_BGR"
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glib:nick="bgr"/>
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<member name="y41b"
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value="16"
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c:identifier="GST_VIDEO_FORMAT_Y41B"
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glib:nick="y41b"/>
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<member name="y42b"
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value="17"
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c:identifier="GST_VIDEO_FORMAT_Y42B"
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glib:nick="y42b"/>
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<member name="yvyu"
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value="18"
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c:identifier="GST_VIDEO_FORMAT_YVYU"
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glib:nick="yvyu"/>
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<member name="y444"
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value="19"
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c:identifier="GST_VIDEO_FORMAT_Y444"
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glib:nick="y444"/>
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<member name="v210"
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value="20"
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c:identifier="GST_VIDEO_FORMAT_v210"
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glib:nick="v210"/>
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<member name="v216"
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value="21"
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c:identifier="GST_VIDEO_FORMAT_v216"
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glib:nick="v216"/>
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<member name="nv12"
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value="22"
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c:identifier="GST_VIDEO_FORMAT_NV12"
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glib:nick="nv12"/>
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<member name="nv21"
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value="23"
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c:identifier="GST_VIDEO_FORMAT_NV21"
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glib:nick="nv21"/>
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<member name="gray8"
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value="24"
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c:identifier="GST_VIDEO_FORMAT_GRAY8"
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glib:nick="gray8"/>
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<member name="gray16_be"
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value="25"
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c:identifier="GST_VIDEO_FORMAT_GRAY16_BE"
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glib:nick="gray16-be"/>
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<member name="gray16_le"
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value="26"
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c:identifier="GST_VIDEO_FORMAT_GRAY16_LE"
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glib:nick="gray16-le"/>
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<member name="v308"
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value="27"
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c:identifier="GST_VIDEO_FORMAT_v308"
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glib:nick="v308"/>
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<member name="y800"
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value="28"
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c:identifier="GST_VIDEO_FORMAT_Y800"
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glib:nick="y800"/>
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<member name="y16"
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value="29"
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c:identifier="GST_VIDEO_FORMAT_Y16"
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glib:nick="y16"/>
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<member name="rgb16"
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value="30"
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c:identifier="GST_VIDEO_FORMAT_RGB16"
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glib:nick="rgb16"/>
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<member name="bgr16"
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value="31"
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c:identifier="GST_VIDEO_FORMAT_BGR16"
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glib:nick="bgr16"/>
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<member name="rgb15"
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value="32"
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c:identifier="GST_VIDEO_FORMAT_RGB15"
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glib:nick="rgb15"/>
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<member name="bgr15"
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value="33"
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c:identifier="GST_VIDEO_FORMAT_BGR15"
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glib:nick="bgr15"/>
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<member name="uyvp"
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value="34"
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c:identifier="GST_VIDEO_FORMAT_UYVP"
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glib:nick="uyvp"/>
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<member name="a420"
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value="35"
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c:identifier="GST_VIDEO_FORMAT_A420"
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glib:nick="a420"/>
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<member name="rgb8_paletted"
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value="36"
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c:identifier="GST_VIDEO_FORMAT_RGB8_PALETTED"
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glib:nick="rgb8-paletted"/>
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<member name="yuv9"
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value="37"
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c:identifier="GST_VIDEO_FORMAT_YUV9"
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glib:nick="yuv9"/>
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<member name="yvu9"
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value="38"
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c:identifier="GST_VIDEO_FORMAT_YVU9"
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glib:nick="yvu9"/>
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<member name="iyu1"
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value="39"
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c:identifier="GST_VIDEO_FORMAT_IYU1"
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glib:nick="iyu1"/>
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</enumeration>
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<record name="VideoRectangle" c:type="GstVideoRectangle">
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<doc xml:whitespace="preserve">Helper structure representing a rectangular area.</doc>
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<field name="x" writable="1">
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<type name="gint" c:type="gint"/>
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</field>
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<field name="y" writable="1">
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<type name="gint" c:type="gint"/>
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</field>
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<field name="w" writable="1">
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<type name="gint" c:type="gint"/>
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</field>
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<field name="h" writable="1">
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<type name="gint" c:type="gint"/>
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</field>
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</record>
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<class name="VideoSink"
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c:symbol-prefix="video_sink"
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c:type="GstVideoSink"
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parent="GstBase.BaseSink"
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glib:type-name="GstVideoSink"
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glib:get-type="gst_video_sink_get_type"
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glib:type-struct="VideoSinkClass">
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<doc xml:whitespace="preserve">The video sink instance structure. Derived video sinks should set the</doc>
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<function name="center_rect" c:identifier="gst_video_sink_center_rect">
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<doc xml:whitespace="preserve">Takes @src rectangle and position it at the center of @dst rectangle with or
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without @scaling. It handles clipping if the @src rectangle is bigger than
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the @dst one and @scaling is set to FALSE.</doc>
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<return-value transfer-ownership="none">
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<type name="none" c:type="void"/>
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</return-value>
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<parameters>
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<parameter name="src" transfer-ownership="none">
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<doc xml:whitespace="preserve">the #GstVideoRectangle describing the source area</doc>
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<type name="VideoRectangle" c:type="GstVideoRectangle"/>
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</parameter>
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<parameter name="dst" transfer-ownership="none">
|
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<doc xml:whitespace="preserve">the #GstVideoRectangle describing the destination area</doc>
|
|
<type name="VideoRectangle" c:type="GstVideoRectangle"/>
|
|
</parameter>
|
|
<parameter name="result" transfer-ownership="none">
|
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<doc xml:whitespace="preserve">a pointer to a #GstVideoRectangle which will receive the result area</doc>
|
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<type name="VideoRectangle" c:type="GstVideoRectangle*"/>
|
|
</parameter>
|
|
<parameter name="scaling" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #gboolean indicating if scaling should be applied or not</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
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<virtual-method name="show_frame">
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<return-value transfer-ownership="none">
|
|
<type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="buf" transfer-ownership="none">
|
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<type name="Gst.Buffer" c:type="GstBuffer*"/>
|
|
</parameter>
|
|
</parameters>
|
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</virtual-method>
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<property name="show-preroll-frame"
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writable="1"
|
|
construct="1"
|
|
transfer-ownership="none">
|
|
<type name="gboolean"/>
|
|
</property>
|
|
<field name="element">
|
|
<type name="GstBase.BaseSink" c:type="GstBaseSink"/>
|
|
</field>
|
|
<field name="width">
|
|
<type name="gint" c:type="gint"/>
|
|
</field>
|
|
<field name="height">
|
|
<type name="gint" c:type="gint"/>
|
|
</field>
|
|
<field name="priv">
|
|
<type name="VideoSinkPrivate" c:type="GstVideoSinkPrivate*"/>
|
|
</field>
|
|
<field name="_gst_reserved">
|
|
<array zero-terminated="0" c:type="gpointer" fixed-size="3">
|
|
<type name="gpointer" c:type="gpointer"/>
|
|
</array>
|
|
</field>
|
|
</class>
|
|
<record name="VideoSinkClass"
|
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c:type="GstVideoSinkClass"
|
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glib:is-gtype-struct-for="VideoSink">
|
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<doc xml:whitespace="preserve">The video sink class structure. Derived classes should override the</doc>
|
|
<field name="parent_class">
|
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<type name="GstBase.BaseSinkClass" c:type="GstBaseSinkClass"/>
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|
</field>
|
|
<field name="show_frame">
|
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<callback name="show_frame">
|
|
<return-value transfer-ownership="none">
|
|
<type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
|
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</return-value>
|
|
<parameters>
|
|
<parameter name="video_sink" transfer-ownership="none">
|
|
<type name="VideoSink" c:type="GstVideoSink*"/>
|
|
</parameter>
|
|
<parameter name="buf" transfer-ownership="none">
|
|
<type name="Gst.Buffer" c:type="GstBuffer*"/>
|
|
</parameter>
|
|
</parameters>
|
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</callback>
|
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</field>
|
|
<field name="_gst_reserved">
|
|
<array zero-terminated="0" c:type="gpointer" fixed-size="3">
|
|
<type name="gpointer" c:type="gpointer"/>
|
|
</array>
|
|
</field>
|
|
</record>
|
|
<record name="VideoSinkPrivate" c:type="GstVideoSinkPrivate" disguised="1">
|
|
</record>
|
|
<function name="video_calculate_display_ratio"
|
|
c:identifier="gst_video_calculate_display_ratio"
|
|
version="0.10.7">
|
|
<doc xml:whitespace="preserve">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.
|
|
dar_n and dar_d parameters.
|
|
The return value is FALSE in the case of integer overflow or other error.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">A boolean indicating success and a calculated Display Ratio in the</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="dar_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Numerator of the calculated display_ratio</doc>
|
|
<type name="guint" c:type="guint*"/>
|
|
</parameter>
|
|
<parameter name="dar_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Denominator of the calculated display_ratio</doc>
|
|
<type name="guint" c:type="guint*"/>
|
|
</parameter>
|
|
<parameter name="video_width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Width of the video frame in pixels</doc>
|
|
<type name="guint" c:type="guint"/>
|
|
</parameter>
|
|
<parameter name="video_height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Height of the video frame in pixels</doc>
|
|
<type name="guint" c:type="guint"/>
|
|
</parameter>
|
|
<parameter name="video_par_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Numerator of the pixel aspect ratio of the input video.</doc>
|
|
<type name="guint" c:type="guint"/>
|
|
</parameter>
|
|
<parameter name="video_par_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Denominator of the pixel aspect ratio of the input video.</doc>
|
|
<type name="guint" c:type="guint"/>
|
|
</parameter>
|
|
<parameter name="display_par_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Numerator of the pixel aspect ratio of the display device</doc>
|
|
<type name="guint" c:type="guint"/>
|
|
</parameter>
|
|
<parameter name="display_par_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">Denominator of the pixel aspect ratio of the display device</doc>
|
|
<type name="guint" c:type="guint"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_convert_frame"
|
|
c:identifier="gst_video_convert_frame"
|
|
version="0.10.31"
|
|
introspectable="0"
|
|
throws="1">
|
|
<doc xml:whitespace="preserve">Converts a raw video buffer into the specified output caps.
|
|
The output caps can be any raw video formats or any image formats (jpeg, png, ...).
|
|
The width, height and pixel-aspect-ratio can also be specified in the output caps.
|
|
will point to the #GError).</doc>
|
|
<return-value>
|
|
<doc xml:whitespace="preserve">The converted #GstBuffer, or %NULL if an error happened (in which case @err</doc>
|
|
<type name="Gst.Buffer" c:type="GstBuffer*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="buf" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstBuffer</doc>
|
|
<type name="Gst.Buffer" c:type="GstBuffer*"/>
|
|
</parameter>
|
|
<parameter name="to_caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the #GstCaps to convert to</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
<parameter name="timeout" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the maximum amount of time allowed for the processing.</doc>
|
|
<type name="Gst.ClockTime" c:type="GstClockTime"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_convert_frame_async"
|
|
c:identifier="gst_video_convert_frame_async"
|
|
version="0.10.31">
|
|
<doc xml:whitespace="preserve">Converts a raw video buffer into the specified output caps.
|
|
The output caps can be any raw video formats or any image formats (jpeg, png, ...).
|
|
The width, height and pixel-aspect-ratio can also be specified in the output caps.
|
|
finish after @timeout. @callback will always be called from the thread default
|
|
%GMainContext, see g_main_context_get_thread_default(). If GLib before 2.22 is used,
|
|
this will always be the global default main context.
|
|
anymore.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<type name="none" c:type="void"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="buf" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstBuffer</doc>
|
|
<type name="Gst.Buffer" c:type="GstBuffer*"/>
|
|
</parameter>
|
|
<parameter name="to_caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the #GstCaps to convert to</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
<parameter name="timeout" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the maximum amount of time allowed for the processing.</doc>
|
|
<type name="Gst.ClockTime" c:type="GstClockTime"/>
|
|
</parameter>
|
|
<parameter name="callback"
|
|
transfer-ownership="none"
|
|
scope="notified"
|
|
closure="4"
|
|
destroy="5">
|
|
<doc xml:whitespace="preserve">%GstVideoConvertFrameCallback that will be called after conversion.</doc>
|
|
<type name="VideoConvertFrameCallback"
|
|
c:type="GstVideoConvertFrameCallback"/>
|
|
</parameter>
|
|
<parameter name="user_data" transfer-ownership="none">
|
|
<type name="gpointer" c:type="gpointer"/>
|
|
</parameter>
|
|
<parameter name="destroy_notify"
|
|
transfer-ownership="none"
|
|
scope="async">
|
|
<doc xml:whitespace="preserve">%GDestroyNotify to be called after @user_data is not needed anymore</doc>
|
|
<type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_event_new_still_frame"
|
|
c:identifier="gst_video_event_new_still_frame"
|
|
version="0.10.26"
|
|
introspectable="0">
|
|
<doc xml:whitespace="preserve">Creates a new Still Frame event. If @in_still is %TRUE, then the event
|
|
represents the start of a still frame sequence. If it is %FALSE, then
|
|
the event ends a still frame sequence.
|
|
To parse an event created by gst_video_event_new_still_frame() use
|
|
gst_video_event_parse_still_frame().</doc>
|
|
<return-value>
|
|
<doc xml:whitespace="preserve">The new GstEvent</doc>
|
|
<type name="Gst.Event" c:type="GstEvent*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="in_still" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">boolean value for the still-frame state of the event.</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_event_parse_still_frame"
|
|
c:identifier="gst_video_event_parse_still_frame"
|
|
version="0.10.26">
|
|
<doc xml:whitespace="preserve">Parse a #GstEvent, 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.
|
|
Create a still frame event using gst_video_event_new_still_frame()</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">%TRUE if the event is a valid still-frame event. %FALSE if not</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="event" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">A #GstEvent to parse</doc>
|
|
<type name="Gst.Event" c:type="GstEvent*"/>
|
|
</parameter>
|
|
<parameter name="in_still" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">A boolean to receive the still-frame status from the event, or NULL</doc>
|
|
<type name="gboolean" c:type="gboolean*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_convert"
|
|
c:identifier="gst_video_format_convert"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Converts among various #GstFormat 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.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if the conversion was successful.</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the width of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the height of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="fps_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">frame rate numerator</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="fps_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">frame rate denominator</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="src_format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">#GstFormat of the @src_value</doc>
|
|
<type name="Gst.Format" c:type="GstFormat"/>
|
|
</parameter>
|
|
<parameter name="src_value" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">value to convert</doc>
|
|
<type name="gint64" c:type="gint64"/>
|
|
</parameter>
|
|
<parameter name="dest_format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">#GstFormat of the @dest_value</doc>
|
|
<type name="Gst.Format" c:type="GstFormat"/>
|
|
</parameter>
|
|
<parameter name="dest_value" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to destination value</doc>
|
|
<type name="gint64" c:type="gint64*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_from_fourcc"
|
|
c:identifier="gst_video_format_from_fourcc"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Converts a FOURCC value into the corresponding #GstVideoFormat.
|
|
If the FOURCC cannot be represented by #GstVideoFormat,
|
|
#GST_VIDEO_FORMAT_UNKNOWN is returned.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the #GstVideoFormat describing the FOURCC value</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="fourcc" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a FOURCC value representing raw YUV video</doc>
|
|
<type name="guint32" c:type="guint32"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_get_component_height"
|
|
c:identifier="gst_video_format_get_component_height"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Calculates the height of the component. See
|
|
of the component index.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">height of component @component</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="component" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the component index</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the height of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_get_component_offset"
|
|
c:identifier="gst_video_format_get_component_offset"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Calculates the offset (in bytes) of the first pixel of the component
|
|
with index @component. 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 @gst_video_format_get_row_stride for a description
|
|
of the component index.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">offset of component @component</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="component" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the component index</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the width of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the height of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_get_component_width"
|
|
c:identifier="gst_video_format_get_component_width"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Calculates the width of the component. See
|
|
of the component index.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">width of component @component</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="component" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the component index</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the width of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_get_pixel_stride"
|
|
c:identifier="gst_video_format_get_pixel_stride"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">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 @component. See @gst_video_format_get_row_stride for a description
|
|
of the component index.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pixel stride of component @component</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="component" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the component index</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_get_row_stride"
|
|
c:identifier="gst_video_format_get_row_stride"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Calculates the row stride (number of bytes from one row of pixels to
|
|
the next) for the video component with an index of @component. 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 @width parameter always represents the width of the
|
|
video, not the component.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">row stride of component @component</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="component" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the component index</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the width of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_get_size"
|
|
c:identifier="gst_video_format_get_size"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Calculates the total number of bytes in the raw video format. This
|
|
number should be used when allocating a buffer for raw video.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">size (in bytes) of raw video format</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the width of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the height of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_has_alpha"
|
|
c:identifier="gst_video_format_has_alpha"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Returns TRUE or FALSE depending on if the video format provides an
|
|
alpha channel.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @format has an alpha channel</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_is_gray"
|
|
c:identifier="gst_video_format_is_gray"
|
|
version="0.10.29">
|
|
<doc xml:whitespace="preserve">Determine whether the video format is a grayscale format.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @format represents grayscale video</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_is_rgb"
|
|
c:identifier="gst_video_format_is_rgb"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Determine whether the video format is an RGB format.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @format represents RGB video</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_is_yuv"
|
|
c:identifier="gst_video_format_is_yuv"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Determine whether the video format is a YUV format.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @format represents YUV video</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_new_caps"
|
|
c:identifier="gst_video_format_new_caps"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Creates a new #GstCaps object based on the parameters provided.</doc>
|
|
<return-value transfer-ownership="full">
|
|
<doc xml:whitespace="preserve">a new #GstCaps object, or NULL if there was an error</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the #GstVideoFormat describing the raw video format</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">width of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">height of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="framerate_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">numerator of frame rate</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="framerate_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">denominator of frame rate</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="par_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">numerator of pixel aspect ratio</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="par_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">denominator of pixel aspect ratio</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_new_caps_interlaced"
|
|
c:identifier="gst_video_format_new_caps_interlaced"
|
|
version="0.10.23">
|
|
<doc xml:whitespace="preserve">Creates a new #GstCaps object based on the parameters provided.</doc>
|
|
<return-value transfer-ownership="full">
|
|
<doc xml:whitespace="preserve">a new #GstCaps object, or NULL if there was an error</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the #GstVideoFormat describing the raw video format</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">width of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">height of video</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="framerate_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">numerator of frame rate</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="framerate_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">denominator of frame rate</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="par_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">numerator of pixel aspect ratio</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="par_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">denominator of pixel aspect ratio</doc>
|
|
<type name="gint" c:type="int"/>
|
|
</parameter>
|
|
<parameter name="interlaced" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">#TRUE if the format is interlaced</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_parse_caps"
|
|
c:identifier="gst_video_format_parse_caps"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Determines the #GstVideoFormat of @caps and places it in the location
|
|
pointed to by @format. Extracts the size of the video and places it
|
|
in the location pointed to by @width and @height. If @caps does not
|
|
represent one of the raw video formats listed in #GstVideoFormat, the
|
|
function will fail and return FALSE.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @caps was parsed correctly.</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the #GstCaps to parse</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the #GstVideoFormat of the video represented by @caps (output)</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat*"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the width of the video represented by @caps, may be NULL (output)</doc>
|
|
<type name="gint" c:type="int*"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the height of the video represented by @caps, may be NULL (output)</doc>
|
|
<type name="gint" c:type="int*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_parse_caps_interlaced"
|
|
c:identifier="gst_video_format_parse_caps_interlaced"
|
|
version="0.10.23">
|
|
<doc xml:whitespace="preserve">Extracts whether the caps represents interlaced content or not and places it
|
|
in @interlaced.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @caps was parsed correctly.</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the fixed #GstCaps to parse</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
<parameter name="interlaced" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">whether @caps represents interlaced video or not, may be NULL (output)</doc>
|
|
<type name="gboolean" c:type="gboolean*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_format_to_fourcc"
|
|
c:identifier="gst_video_format_to_fourcc"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Converts a #GstVideoFormat value into the corresponding FOURCC. Only
|
|
a few YUV formats have corresponding FOURCC values. If @format has
|
|
no corresponding FOURCC value, 0 is returned.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the FOURCC corresponding to @format</doc>
|
|
<type name="guint32" c:type="guint32"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="format" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a #GstVideoFormat video format</doc>
|
|
<type name="VideoFormat" c:type="GstVideoFormat"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_frame_rate" c:identifier="gst_video_frame_rate">
|
|
<doc xml:whitespace="preserve">A convenience function to retrieve a GValue holding the framerate
|
|
from the caps on a pad.
|
|
The pad needs to have negotiated caps containing a framerate property.
|
|
do not contain a framerate.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">NULL if the pad has no configured caps or the configured caps</doc>
|
|
<type name="GObject.Value" c:type="GValue*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="pad" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to a #GstPad</doc>
|
|
<type name="Gst.Pad" c:type="GstPad*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_get_size" c:identifier="gst_video_get_size">
|
|
<doc xml:whitespace="preserve">Inspect the caps of the provided pad and retrieve the width and height of
|
|
the video frames it is configured for.
|
|
The pad needs to have negotiated caps containing width and height properties.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if the width and height could be retrieved.</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="pad" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to a #GstPad</doc>
|
|
<type name="Gst.Pad" c:type="GstPad*"/>
|
|
</parameter>
|
|
<parameter name="width" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to integer to hold pixel width of the video frames (output)</doc>
|
|
<type name="gint" c:type="gint*"/>
|
|
</parameter>
|
|
<parameter name="height" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to integer to hold pixel height of the video frames (output)</doc>
|
|
<type name="gint" c:type="gint*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_parse_caps_chroma_site"
|
|
c:identifier="gst_video_parse_caps_chroma_site"
|
|
version="0.10.29">
|
|
<doc xml:whitespace="preserve">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.
|
|
When no chroma site is specified in the caps, it should be assumed
|
|
to be "mpeg2".
|
|
determined.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a chroma site string, or NULL if no chroma site could be</doc>
|
|
<type name="utf8" c:type="char*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the fixed #GstCaps to parse</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_parse_caps_color_matrix"
|
|
c:identifier="gst_video_parse_caps_color_matrix"
|
|
version="0.10.29">
|
|
<doc xml:whitespace="preserve">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)
|
|
determined.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">a color matrix string, or NULL if no color matrix could be</doc>
|
|
<type name="utf8" c:type="char*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">the fixed #GstCaps to parse</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_parse_caps_framerate"
|
|
c:identifier="gst_video_parse_caps_framerate"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Extracts the frame rate from @caps and places the values in the locations
|
|
pointed to by @fps_n and @fps_d. Returns TRUE if the values could be
|
|
parsed correctly, FALSE if not.
|
|
This function can be used with #GstCaps that have any media type; it
|
|
is not limited to formats handled by #GstVideoFormat.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @caps was parsed correctly.</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to a #GstCaps instance</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
<parameter name="fps_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to integer to hold numerator of frame rate (output)</doc>
|
|
<type name="gint" c:type="int*"/>
|
|
</parameter>
|
|
<parameter name="fps_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to integer to hold denominator of frame rate (output)</doc>
|
|
<type name="gint" c:type="int*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_parse_caps_palette"
|
|
c:identifier="gst_video_parse_caps_palette"
|
|
version="0.10.32"
|
|
introspectable="0">
|
|
<doc xml:whitespace="preserve">Returns the palette data from the caps as a #GstBuffer. For
|
|
#GST_VIDEO_FORMAT_RGB8_PALETTED this is containing 256 #guint32
|
|
values, each containing ARGB colors in native endianness.</doc>
|
|
<return-value>
|
|
<doc xml:whitespace="preserve">a #GstBuffer containing the palette data. Unref after usage.</doc>
|
|
<type name="Gst.Buffer" c:type="GstBuffer*"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">#GstCaps to parse</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
<function name="video_parse_caps_pixel_aspect_ratio"
|
|
c:identifier="gst_video_parse_caps_pixel_aspect_ratio"
|
|
version="0.10.16">
|
|
<doc xml:whitespace="preserve">Extracts the pixel aspect ratio from @caps and places the values in
|
|
the locations pointed to by @par_n and @par_d. Returns TRUE if the
|
|
values could be parsed correctly, FALSE if not.
|
|
This function can be used with #GstCaps that have any media type; it
|
|
is not limited to formats handled by #GstVideoFormat.</doc>
|
|
<return-value transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">TRUE if @caps was parsed correctly.</doc>
|
|
<type name="gboolean" c:type="gboolean"/>
|
|
</return-value>
|
|
<parameters>
|
|
<parameter name="caps" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to a #GstCaps instance</doc>
|
|
<type name="Gst.Caps" c:type="GstCaps*"/>
|
|
</parameter>
|
|
<parameter name="par_n" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to numerator of pixel aspect ratio (output)</doc>
|
|
<type name="gint" c:type="int*"/>
|
|
</parameter>
|
|
<parameter name="par_d" transfer-ownership="none">
|
|
<doc xml:whitespace="preserve">pointer to denominator of pixel aspect ratio (output)</doc>
|
|
<type name="gint" c:type="int*"/>
|
|
</parameter>
|
|
</parameters>
|
|
</function>
|
|
</namespace>
|
|
</repository>
|