forked from mirrors/gstreamer-rs
431 lines
19 KiB
Text
431 lines
19 KiB
Text
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<?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 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" version="1.2">
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<include name="Gst" version="1.0"/>
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<package name="gstreamer-allocators-1.0"/>
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<c:include name="gst/allocators/allocators.h"/>
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<namespace name="GstAllocators" version="1.0" shared-library="libgstallocators-1.0.so.0" c:identifier-prefixes="Gst" c:symbol-prefixes="gst">
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<constant name="ALLOCATOR_DMABUF" value="dmabuf" c:type="GST_ALLOCATOR_DMABUF">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="ALLOCATOR_FD" value="fd" c:type="GST_ALLOCATOR_FD">
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<constant name="CAPS_FEATURE_MEMORY_DMABUF" value="memory:DMABuf" c:type="GST_CAPS_FEATURE_MEMORY_DMABUF" version="1.12">
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<doc xml:space="preserve">Constant that defines the caps feature name for DMA buffer sharing.
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It has to be used for non-mappable dma-buf only, i.e. when the underlying
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memory is not mappable to user space. Or when the mapped memory contains
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non meaningful data. It can be the case for protected content or when the
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user wants explicitly avoid any software post processing.
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In these cases all elements between the exported and the importer has to work
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in passthrough mode. This is done by adding this caps feature.
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When the memory is mappable for read and write requests then it is assumes
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to be a fast path and so this caps feature should not be used. Though
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according to the dma-buf protocol, while it is mapped it prevents the
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exporter to migrate the buffer.
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This caps feature should not serve at all the purpose of selecting the
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@GST_ALLOCATOR_DMABUF allocator during caps negotiation.
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When the exporter is the upstream element from the importer point of view,
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the exporter should try to map the dma buffer at runtime (preferably during
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decide_allocation phase). When it succeeds for #GST_MAP_READWRITE this caps
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feature should not be used. This allows scalers, color converts and any image
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processing filters to work directly on the dma buffer.
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In this case the importer element should check all incoming memory using
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gst_is_dmabuf_memory().</doc>
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<type name="utf8" c:type="gchar*"/>
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</constant>
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<function-macro name="DMABUF_ALLOCATOR" c:identifier="GST_DMABUF_ALLOCATOR" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="DMABUF_ALLOCATOR_CAST" c:identifier="GST_DMABUF_ALLOCATOR_CAST" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="DMABUF_ALLOCATOR_CLASS" c:identifier="GST_DMABUF_ALLOCATOR_CLASS" introspectable="0">
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<parameters>
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<parameter name="klass">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="DMABUF_ALLOCATOR_GET_CLASS" c:identifier="GST_DMABUF_ALLOCATOR_GET_CLASS" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<class name="DmaBufAllocator" c:symbol-prefix="dmabuf_allocator" c:type="GstDmaBufAllocator" version="1.12" parent="FdAllocator" glib:type-name="GstDmaBufAllocator" glib:get-type="gst_dmabuf_allocator_get_type" glib:type-struct="DmaBufAllocatorClass">
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<doc xml:space="preserve">Base class for allocators with dmabuf-backed memory</doc>
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<constructor name="new" c:identifier="gst_dmabuf_allocator_new" version="1.2">
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<doc xml:space="preserve">Return a new dmabuf allocator.</doc>
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<return-value transfer-ownership="full">
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<doc xml:space="preserve">a new dmabuf allocator, or NULL if the allocator
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isn't available. Use gst_object_unref() to release the allocator after
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usage</doc>
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<type name="Gst.Allocator" c:type="GstAllocator*"/>
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</return-value>
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</constructor>
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<function name="alloc" c:identifier="gst_dmabuf_allocator_alloc" version="1.2">
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<doc xml:space="preserve">Return a %GstMemory that wraps a dmabuf file descriptor.</doc>
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<return-value transfer-ownership="full">
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<doc xml:space="preserve">a GstMemory based on @allocator.
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When the buffer will be released dmabuf allocator will close the @fd.
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The memory is only mmapped on gst_buffer_map() request.</doc>
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<type name="Gst.Memory" c:type="GstMemory*"/>
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</return-value>
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<parameters>
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<parameter name="allocator" transfer-ownership="none">
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<doc xml:space="preserve">allocator to be used for this memory</doc>
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<type name="Gst.Allocator" c:type="GstAllocator*"/>
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</parameter>
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<parameter name="fd" transfer-ownership="none">
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<doc xml:space="preserve">dmabuf file descriptor</doc>
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<type name="gint" c:type="gint"/>
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</parameter>
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<parameter name="size" transfer-ownership="none">
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<doc xml:space="preserve">memory size</doc>
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<type name="gsize" c:type="gsize"/>
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</parameter>
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</parameters>
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</function>
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<function name="alloc_with_flags" c:identifier="gst_dmabuf_allocator_alloc_with_flags" version="1.16">
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<doc xml:space="preserve">Return a %GstMemory that wraps a dmabuf file descriptor.</doc>
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<return-value transfer-ownership="full">
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<doc xml:space="preserve">a GstMemory based on @allocator.
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When the buffer will be released the allocator will close the @fd unless
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the %GST_FD_MEMORY_FLAG_DONT_CLOSE flag is specified.
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The memory is only mmapped on gst_buffer_mmap() request.</doc>
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<type name="Gst.Memory" c:type="GstMemory*"/>
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</return-value>
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<parameters>
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<parameter name="allocator" transfer-ownership="none">
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<doc xml:space="preserve">allocator to be used for this memory</doc>
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<type name="Gst.Allocator" c:type="GstAllocator*"/>
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</parameter>
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<parameter name="fd" transfer-ownership="none">
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<doc xml:space="preserve">dmabuf file descriptor</doc>
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<type name="gint" c:type="gint"/>
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</parameter>
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<parameter name="size" transfer-ownership="none">
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<doc xml:space="preserve">memory size</doc>
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<type name="gsize" c:type="gsize"/>
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</parameter>
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<parameter name="flags" transfer-ownership="none">
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<doc xml:space="preserve">extra #GstFdMemoryFlags</doc>
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<type name="FdMemoryFlags" c:type="GstFdMemoryFlags"/>
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</parameter>
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</parameters>
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</function>
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<field name="parent">
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<type name="FdAllocator" c:type="GstFdAllocator"/>
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</field>
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<field name="_gst_reserved" readable="0" private="1">
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<array zero-terminated="0" fixed-size="4">
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<type name="gpointer" c:type="gpointer"/>
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</array>
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</field>
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</class>
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<record name="DmaBufAllocatorClass" c:type="GstDmaBufAllocatorClass" glib:is-gtype-struct-for="DmaBufAllocator">
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<field name="parent_class">
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<type name="FdAllocatorClass" c:type="GstFdAllocatorClass"/>
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</field>
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<field name="_gst_reserved" readable="0" private="1">
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<array zero-terminated="0" fixed-size="4">
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<type name="gpointer" c:type="gpointer"/>
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</array>
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</field>
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</record>
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<function-macro name="FD_ALLOCATOR" c:identifier="GST_FD_ALLOCATOR" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="FD_ALLOCATOR_CAST" c:identifier="GST_FD_ALLOCATOR_CAST" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="FD_ALLOCATOR_CLASS" c:identifier="GST_FD_ALLOCATOR_CLASS" introspectable="0">
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<parameters>
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<parameter name="klass">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="FD_ALLOCATOR_GET_CLASS" c:identifier="GST_FD_ALLOCATOR_GET_CLASS" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<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">
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<doc xml:space="preserve">Base class for allocators with fd-backed memory</doc>
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<constructor name="new" c:identifier="gst_fd_allocator_new" version="1.6">
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<doc xml:space="preserve">Return a new fd allocator.</doc>
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<return-value transfer-ownership="full">
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<doc xml:space="preserve">a new fd allocator, or NULL if the allocator
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isn't available. Use gst_object_unref() to release the allocator after
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usage</doc>
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<type name="Gst.Allocator" c:type="GstAllocator*"/>
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</return-value>
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</constructor>
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<function name="alloc" c:identifier="gst_fd_allocator_alloc" version="1.6">
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<doc xml:space="preserve">Return a %GstMemory that wraps a generic file descriptor.</doc>
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<return-value transfer-ownership="full">
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<doc xml:space="preserve">a GstMemory based on @allocator.
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When the buffer will be released the allocator will close the @fd unless
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the %GST_FD_MEMORY_FLAG_DONT_CLOSE flag is specified.
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The memory is only mmapped on gst_buffer_map() request.</doc>
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<type name="Gst.Memory" c:type="GstMemory*"/>
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</return-value>
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<parameters>
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<parameter name="allocator" transfer-ownership="none">
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<doc xml:space="preserve">allocator to be used for this memory</doc>
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<type name="Gst.Allocator" c:type="GstAllocator*"/>
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</parameter>
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<parameter name="fd" transfer-ownership="none">
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<doc xml:space="preserve">file descriptor</doc>
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<type name="gint" c:type="gint"/>
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</parameter>
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<parameter name="size" transfer-ownership="none">
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<doc xml:space="preserve">memory size</doc>
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<type name="gsize" c:type="gsize"/>
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</parameter>
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<parameter name="flags" transfer-ownership="none">
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<doc xml:space="preserve">extra #GstFdMemoryFlags</doc>
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<type name="FdMemoryFlags" c:type="GstFdMemoryFlags"/>
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</parameter>
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</parameters>
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</function>
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<field name="parent">
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<type name="Gst.Allocator" c:type="GstAllocator"/>
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</field>
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</class>
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<record name="FdAllocatorClass" c:type="GstFdAllocatorClass" glib:is-gtype-struct-for="FdAllocator">
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<field name="parent_class">
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<type name="Gst.AllocatorClass" c:type="GstAllocatorClass"/>
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</field>
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</record>
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<bitfield name="FdMemoryFlags" version="1.6" c:type="GstFdMemoryFlags">
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<doc xml:space="preserve">Various flags to control the operation of the fd backed memory.</doc>
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<member name="none" value="0" c:identifier="GST_FD_MEMORY_FLAG_NONE">
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<doc xml:space="preserve">no flag</doc>
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</member>
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<member name="keep_mapped" value="1" c:identifier="GST_FD_MEMORY_FLAG_KEEP_MAPPED">
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<doc xml:space="preserve">once the memory is mapped,
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keep it mapped until the memory is destroyed.</doc>
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</member>
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<member name="map_private" value="2" c:identifier="GST_FD_MEMORY_FLAG_MAP_PRIVATE">
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<doc xml:space="preserve">do a private mapping instead of
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the default shared mapping.</doc>
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</member>
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<member name="dont_close" value="4" c:identifier="GST_FD_MEMORY_FLAG_DONT_CLOSE">
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<doc xml:space="preserve">don't close the file descriptor when
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the memory is freed. Since: 1.10</doc>
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</member>
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</bitfield>
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<function-macro name="IS_DMABUF_ALLOCATOR" c:identifier="GST_IS_DMABUF_ALLOCATOR" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="IS_DMABUF_ALLOCATOR_CLASS" c:identifier="GST_IS_DMABUF_ALLOCATOR_CLASS" introspectable="0">
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<parameters>
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<parameter name="klass">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="IS_FD_ALLOCATOR" c:identifier="GST_IS_FD_ALLOCATOR" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="IS_FD_ALLOCATOR_CLASS" c:identifier="GST_IS_FD_ALLOCATOR_CLASS" introspectable="0">
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<parameters>
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<parameter name="klass">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="PHYS_MEMORY_ALLOCATOR_CAST" c:identifier="GST_PHYS_MEMORY_ALLOCATOR_CAST" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<function-macro name="PHYS_MEMORY_ALLOCATOR_GET_INTERFACE" c:identifier="GST_PHYS_MEMORY_ALLOCATOR_GET_INTERFACE" introspectable="0">
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<parameters>
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<parameter name="obj">
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</parameter>
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</parameters>
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</function-macro>
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<interface name="PhysMemoryAllocator" c:symbol-prefix="phys_memory_allocator" c:type="GstPhysMemoryAllocator" version="1.14" glib:type-name="GstPhysMemoryAllocator" glib:get-type="gst_phys_memory_allocator_get_type" glib:type-struct="PhysMemoryAllocatorInterface">
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<prerequisite name="Gst.Allocator"/>
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<virtual-method name="get_phys_addr">
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<return-value transfer-ownership="none">
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<type name="guintptr" c:type="guintptr"/>
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</return-value>
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<parameters>
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<instance-parameter name="allocator" transfer-ownership="none">
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<type name="PhysMemoryAllocator" c:type="GstPhysMemoryAllocator*"/>
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</instance-parameter>
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<parameter name="mem" transfer-ownership="none">
|
||
|
|
<type name="Gst.Memory" c:type="GstMemory*"/>
|
||
|
|
</parameter>
|
||
|
|
</parameters>
|
||
|
|
</virtual-method>
|
||
|
|
</interface>
|
||
|
|
<record name="PhysMemoryAllocatorInterface" c:type="GstPhysMemoryAllocatorInterface" glib:is-gtype-struct-for="PhysMemoryAllocator" version="1.14">
|
||
|
|
<doc xml:space="preserve">Marker interface for allocators with physical address backed memory</doc>
|
||
|
|
|
||
|
|
<field name="parent_iface" readable="0" private="1">
|
||
|
|
<type name="GObject.TypeInterface" c:type="GTypeInterface"/>
|
||
|
|
</field>
|
||
|
|
<field name="get_phys_addr">
|
||
|
|
<callback name="get_phys_addr">
|
||
|
|
|
||
|
|
<return-value transfer-ownership="none">
|
||
|
|
<type name="guintptr" c:type="guintptr"/>
|
||
|
|
</return-value>
|
||
|
|
<parameters>
|
||
|
|
<parameter name="allocator" transfer-ownership="none">
|
||
|
|
<type name="PhysMemoryAllocator" c:type="GstPhysMemoryAllocator*"/>
|
||
|
|
</parameter>
|
||
|
|
<parameter name="mem" transfer-ownership="none">
|
||
|
|
<type name="Gst.Memory" c:type="GstMemory*"/>
|
||
|
|
</parameter>
|
||
|
|
</parameters>
|
||
|
|
</callback>
|
||
|
|
</field>
|
||
|
|
</record>
|
||
|
|
<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>
|
||
|
|
<function name="is_phys_memory" c:identifier="gst_is_phys_memory" version="1.14">
|
||
|
|
|
||
|
|
<return-value transfer-ownership="none">
|
||
|
|
<doc xml:space="preserve">whether the memory at @mem is backed by physical memory</doc>
|
||
|
|
<type name="gboolean" c:type="gboolean"/>
|
||
|
|
</return-value>
|
||
|
|
<parameters>
|
||
|
|
<parameter name="mem" transfer-ownership="none">
|
||
|
|
<doc xml:space="preserve">a #GstMemory</doc>
|
||
|
|
<type name="Gst.Memory" c:type="GstMemory*"/>
|
||
|
|
</parameter>
|
||
|
|
</parameters>
|
||
|
|
</function>
|
||
|
|
<function name="phys_memory_get_phys_addr" c:identifier="gst_phys_memory_get_phys_addr" version="1.14">
|
||
|
|
|
||
|
|
<return-value transfer-ownership="none">
|
||
|
|
<doc xml:space="preserve">Physical memory address that is backing @mem, or 0 if none</doc>
|
||
|
|
<type name="guintptr" c:type="guintptr"/>
|
||
|
|
</return-value>
|
||
|
|
<parameters>
|
||
|
|
<parameter name="mem" transfer-ownership="none">
|
||
|
|
<doc xml:space="preserve">a #GstMemory</doc>
|
||
|
|
<type name="Gst.Memory" c:type="GstMemory*"/>
|
||
|
|
</parameter>
|
||
|
|
</parameters>
|
||
|
|
</function>
|
||
|
|
</namespace>
|
||
|
|
</repository>
|