/usr/share/gir-1.0/GstAllocators-1.0.gir is in libgstreamer-plugins-base1.0-dev 1.8.0-1ubuntu1.
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<!-- This file was automatically generated from C sources - DO NOT EDIT!
To affect the contents of this file, edit the original C definitions,
and/or use gtk-doc annotations. -->
<repository version="1.2"
xmlns="http://www.gtk.org/introspection/core/1.0"
xmlns:c="http://www.gtk.org/introspection/c/1.0"
xmlns:glib="http://www.gtk.org/introspection/glib/1.0">
<include name="Gst" version="1.0"/>
<package name="gstreamer-allocators-1.0"/>
<c:include name="gst/allocators/allocators.h"/>
<namespace name="GstAllocators"
version="1.0"
shared-library="libgstallocators-1.0.so.0"
c:identifier-prefixes="Gst"
c:symbol-prefixes="gst">
<alias name="FdAllocator_autoptr" c:type="GstFdAllocator_autoptr">
<type name="gpointer" c:type="gpointer"/>
</alias>
<constant name="ALLOCATOR_DMABUF"
value="dmabuf"
c:type="GST_ALLOCATOR_DMABUF">
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="ALLOCATOR_FD" value="fd" c:type="GST_ALLOCATOR_FD">
<type name="utf8" c:type="gchar*"/>
</constant>
<class name="FdAllocator"
c:symbol-prefix="fd_allocator"
c:type="GstFdAllocator"
version="1.6"
parent="Gst.Allocator"
glib:type-name="GstFdAllocator"
glib:get-type="gst_fd_allocator_get_type"
glib:type-struct="FdAllocatorClass">
<doc xml:space="preserve">Base class for allocators with fd-backed memory</doc>
<constructor name="new"
c:identifier="gst_fd_allocator_new"
version="1.6">
<doc xml:space="preserve">Return a new fd allocator.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new fd allocator, or NULL if the allocator
isn't available. Use gst_object_unref() to release the allocator after
usage</doc>
<type name="Gst.Allocator" c:type="GstAllocator*"/>
</return-value>
</constructor>
<function name="alloc"
c:identifier="gst_fd_allocator_alloc"
version="1.6">
<doc xml:space="preserve">Return a %GstMemory that wraps a generic file descriptor.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a GstMemory based on @allocator.
When the buffer will be released the allocator will close the @fd.
The memory is only mmapped on gst_buffer_mmap() request.</doc>
<type name="Gst.Memory" c:type="GstMemory*"/>
</return-value>
<parameters>
<parameter name="allocator" transfer-ownership="none">
<doc xml:space="preserve">allocator to be used for this memory</doc>
<type name="Gst.Allocator" c:type="GstAllocator*"/>
</parameter>
<parameter name="fd" transfer-ownership="none">
<doc xml:space="preserve">file descriptor</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="size" transfer-ownership="none">
<doc xml:space="preserve">memory size</doc>
<type name="gsize" c:type="gsize"/>
</parameter>
<parameter name="flags" transfer-ownership="none">
<doc xml:space="preserve">extra #GstFdMemoryFlags</doc>
<type name="FdMemoryFlags" c:type="GstFdMemoryFlags"/>
</parameter>
</parameters>
</function>
<field name="parent">
<type name="Gst.Allocator" c:type="GstAllocator"/>
</field>
</class>
<record name="FdAllocatorClass"
c:type="GstFdAllocatorClass"
glib:is-gtype-struct-for="FdAllocator">
<field name="parent_class">
<type name="Gst.AllocatorClass" c:type="GstAllocatorClass"/>
</field>
</record>
<bitfield name="FdMemoryFlags" version="1.6" c:type="GstFdMemoryFlags">
<doc xml:space="preserve">Various flags to control the operation of the fd backed memory.</doc>
<member name="none" value="0" c:identifier="GST_FD_MEMORY_FLAG_NONE">
<doc xml:space="preserve">no flag</doc>
</member>
<member name="keep_mapped"
value="1"
c:identifier="GST_FD_MEMORY_FLAG_KEEP_MAPPED">
<doc xml:space="preserve">once the memory is mapped,
keep it mapped until the memory is destroyed.</doc>
</member>
<member name="map_private"
value="2"
c:identifier="GST_FD_MEMORY_FLAG_MAP_PRIVATE">
<doc xml:space="preserve">do a private mapping instead of
the default shared mapping.</doc>
</member>
</bitfield>
<function name="dmabuf_allocator_alloc"
c:identifier="gst_dmabuf_allocator_alloc"
version="1.2">
<doc xml:space="preserve">Return a %GstMemory that wraps a dmabuf file descriptor.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a GstMemory based on @allocator.
When the buffer will be released dmabuf allocator will close the @fd.
The memory is only mmapped on gst_buffer_mmap() request.</doc>
<type name="Gst.Memory" c:type="GstMemory*"/>
</return-value>
<parameters>
<parameter name="allocator" transfer-ownership="none">
<doc xml:space="preserve">allocator to be used for this memory</doc>
<type name="Gst.Allocator" c:type="GstAllocator*"/>
</parameter>
<parameter name="fd" transfer-ownership="none">
<doc xml:space="preserve">dmabuf file descriptor</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="size" transfer-ownership="none">
<doc xml:space="preserve">memory size</doc>
<type name="gsize" c:type="gsize"/>
</parameter>
</parameters>
</function>
<function name="dmabuf_allocator_new"
c:identifier="gst_dmabuf_allocator_new"
version="1.2">
<doc xml:space="preserve">Return a new dmabuf allocator.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new dmabuf allocator, or NULL if the allocator
isn't available. Use gst_object_unref() to release the allocator after
usage</doc>
<type name="Gst.Allocator" c:type="GstAllocator*"/>
</return-value>
</function>
<function name="dmabuf_memory_get_fd"
c:identifier="gst_dmabuf_memory_get_fd"
version="1.2">
<doc xml:space="preserve">Return the file descriptor associated with @mem.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the file descriptor associated with the memory, or -1. The file
descriptor is still owned by the GstMemory. Use dup to take a copy
if you intend to use it beyond the lifetime of this GstMemory.</doc>
<type name="gint" c:type="gint"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">the memory to get the file descriptor</doc>
<type name="Gst.Memory" c:type="GstMemory*"/>
</parameter>
</parameters>
</function>
<function name="fd_memory_get_fd"
c:identifier="gst_fd_memory_get_fd"
version="1.6">
<doc xml:space="preserve">Get the fd from @mem. Call gst_is_fd_memory() to check if @mem has
an fd.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the fd of @mem or -1 when there is no fd on @mem</doc>
<type name="gint" c:type="gint"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">#GstMemory</doc>
<type name="Gst.Memory" c:type="GstMemory*"/>
</parameter>
</parameters>
</function>
<function name="is_dmabuf_memory"
c:identifier="gst_is_dmabuf_memory"
version="1.2">
<doc xml:space="preserve">Check if @mem is dmabuf memory.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if @mem is dmabuf memory, otherwise %FALSE</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">the memory to be check</doc>
<type name="Gst.Memory" c:type="GstMemory*"/>
</parameter>
</parameters>
</function>
<function name="is_fd_memory"
c:identifier="gst_is_fd_memory"
version="1.6">
<doc xml:space="preserve">Check if @mem is memory backed by an fd</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE when @mem has an fd that can be retrieved with
gst_fd_memory_get_fd().</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">#GstMemory</doc>
<type name="Gst.Memory" c:type="GstMemory*"/>
</parameter>
</parameters>
</function>
</namespace>
</repository>
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