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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>GstGLBaseMemory: GStreamer Base Plugins 1.0 Library Reference Manual</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
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<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual">
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<link rel="up" href="gl.html" title="OpenGL Integration Library">
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<link rel="prev" href="GstGLBaseFilter.html" title="GstGLBaseFilter">
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<link rel="next" href="gst-plugins-base-libs-GstGLBuffer.html" title="GstGLBuffer">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy
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GstGLBaseMemory
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GstGLBaseMemory — memory subclass for GL buffers
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Functions
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void
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(*GstGLAllocationParamsCopyFunc) ()
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void
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(*GstGLAllocationParamsFreeFunc) ()
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gboolean
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gst_gl_allocation_params_init ()
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GstGLAllocationParams *
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gst_gl_allocation_params_copy ()
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void
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gst_gl_allocation_params_free ()
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void
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gst_gl_allocation_params_free_data ()
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void
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gst_gl_allocation_params_copy_data ()
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void
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gst_gl_base_memory_init_once ()
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void
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gst_gl_base_memory_init ()
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gboolean
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gst_is_gl_base_memory ()
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GstGLBaseMemory *
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(*GstGLBaseMemoryAllocatorAllocFunction) ()
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gboolean
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(*GstGLBaseMemoryAllocatorCreateFunction) ()
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gpointer
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(*GstGLBaseMemoryAllocatorMapFunction) ()
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void
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(*GstGLBaseMemoryAllocatorUnmapFunction) ()
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GstGLBaseMemory *
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(*GstGLBaseMemoryAllocatorCopyFunction) ()
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void
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(*GstGLBaseMemoryAllocatorDestroyFunction) ()
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GstGLBaseMemory *
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gst_gl_base_memory_alloc ()
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gboolean
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gst_gl_base_memory_alloc_data ()
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gboolean
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gst_gl_base_memory_memcpy ()
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Types and Values
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GstGLBaseMemoryAllocator
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GstGLBaseMemoryAllocatorClass
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#define
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GST_GL_BASE_MEMORY_ALLOCATOR_NAME
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#define
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GST_MAP_GL
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enum
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GstGLBaseMemoryError
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#define
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GST_GL_BASE_MEMORY_ERROR
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enum
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GstGLBaseMemoryTransfer
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struct
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GstGLAllocationParams
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#define
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_ALLOC
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#define
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM
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#define
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE
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#define
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_USER
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GstGLBaseMemory
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Object Hierarchy
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GBoxed
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╰── GstGLAllocationParams
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GObject
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╰── GInitiallyUnowned
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╰── GstObject
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╰── GstAllocator
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╰── GstGLBaseMemoryAllocator
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├── GstGLBufferAllocator
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├── GstGLMemoryAllocator
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╰── GstGLRenderbufferAllocator
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Includes
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#include <gst/gl/gl.h>
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Description
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GstGLBaseMemory is a GstMemory subclass providing the basis of support
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for the mapping of GL buffers.
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Data is uploaded or downloaded from the GPU as is necessary.
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Functions
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GstGLAllocationParamsCopyFunc ()
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void
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(*GstGLAllocationParamsCopyFunc) (GstGLAllocationParams *src,
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GstGLAllocationParams *dest);
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Copies the parameters from src
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into dest
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. The subclass must compose copy
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functions from the superclass.
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Parameters
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src
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the source GstGLAllocationParams to copy from
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dest
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the source GstGLAllocationParams to copy
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GstGLAllocationParamsFreeFunc ()
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void
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(*GstGLAllocationParamsFreeFunc) (gpointer params);
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Free any dynamically allocated data. The subclass must call the superclass'
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free.
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Parameters
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params
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a GstGLAllocationParams
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gst_gl_allocation_params_init ()
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gboolean
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gst_gl_allocation_params_init (GstGLAllocationParams *params,
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gsize struct_size,
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guint alloc_flags,
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GstGLAllocationParamsCopyFunc copy,
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GstGLAllocationParamsFreeFunc free,
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GstGLContext *context,
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gsize alloc_size,
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GstAllocationParams *alloc_params,
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gpointer wrapped_data,
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gpointer gl_handle,
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gpointer user_data,
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GDestroyNotify notify);
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notify
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will be called once for each allocated memory using these params
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when freeing the memory.
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[skip]
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Parameters
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params
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the GstGLAllocationParams to initialize
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struct_size
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the struct size of the implementation
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alloc_flags
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some alloc flags
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copy
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a copy function
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free
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a free function
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971217 |
|
|
Packit |
971217 |
context
|
|
Packit |
971217 |
a GstGLContext.
|
|
Packit |
971217 |
[transfer none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
alloc_size
|
|
Packit |
971217 |
the number of bytes to allocate.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
alloc_params
|
|
Packit |
971217 |
a GstAllocationParams to apply.
|
|
Packit |
971217 |
[transfer none][allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
wrapped_data
|
|
Packit |
971217 |
a sysmem data pointer to initialize the allocation with.
|
|
Packit |
971217 |
[transfer none][allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gl_handle
|
|
Packit |
971217 |
a GL handle to initialize the allocation with.
|
|
Packit |
971217 |
[transfer none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
user_data
|
|
Packit |
971217 |
user data to call notify
|
|
Packit |
971217 |
with.
|
|
Packit |
971217 |
[transfer none][allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
notify
|
|
Packit |
971217 |
a GDestroyNotify.
|
|
Packit |
971217 |
[allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
whether the paramaters could be initialized
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_allocation_params_copy ()
|
|
Packit |
971217 |
GstGLAllocationParams *
|
|
Packit |
971217 |
gst_gl_allocation_params_copy (GstGLAllocationParams *src);
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
src
|
|
Packit |
971217 |
the GstGLAllocationParams to initialize
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
a copy of the GstGLAllocationParams specified by
|
|
Packit |
971217 |
src
|
|
Packit |
971217 |
or NULL on failure.
|
|
Packit |
971217 |
[transfer full]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_allocation_params_free ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_gl_allocation_params_free (GstGLAllocationParams *params);
|
|
Packit |
971217 |
Frees the GstGLAllocationParams and all associated data.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
params
|
|
Packit |
971217 |
the GstGLAllocationParams to initialize
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_allocation_params_free_data ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_gl_allocation_params_free_data (GstGLAllocationParams *params);
|
|
Packit |
971217 |
Frees the dynamically allocated data in params
|
|
Packit |
971217 |
. Direct subclasses
|
|
Packit |
971217 |
should call this function in their own overriden free function.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
params
|
|
Packit |
971217 |
the source GstGLAllocationParams
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_allocation_params_copy_data ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_gl_allocation_params_copy_data (GstGLAllocationParams *src,
|
|
Packit |
971217 |
GstGLAllocationParams *dest);
|
|
Packit |
971217 |
Copies the dynamically allocated data from src
|
|
Packit |
971217 |
to dest
|
|
Packit |
971217 |
. Direct subclasses
|
|
Packit |
971217 |
should call this function in their own overriden copy function.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
src
|
|
Packit |
971217 |
the source GstGLAllocationParams
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
dest
|
|
Packit |
971217 |
the destination GstGLAllocationParams
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_base_memory_init_once ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_gl_base_memory_init_once (void);
|
|
Packit |
971217 |
Initializes the GL Base Memory allocator. It is safe to call this function
|
|
Packit |
971217 |
multiple times. This must be called before any other GstGLBaseMemory operation.
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_base_memory_init ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_gl_base_memory_init (GstGLBaseMemory *mem,
|
|
Packit |
971217 |
GstAllocator *allocator,
|
|
Packit |
971217 |
GstMemory *parent,
|
|
Packit |
971217 |
GstGLContext *context,
|
|
Packit |
971217 |
GstAllocationParams *params,
|
|
Packit |
971217 |
gsize size,
|
|
Packit |
971217 |
gpointer user_data,
|
|
Packit |
971217 |
GDestroyNotify notify);
|
|
Packit |
971217 |
Initializes mem
|
|
Packit |
971217 |
with the required parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
mem
|
|
Packit |
971217 |
the GstGLBaseMemory to initialize
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
allocator
|
|
Packit |
971217 |
the GstAllocator to initialize with
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
parent
|
|
Packit |
971217 |
the parent GstMemory to initialize with.
|
|
Packit |
971217 |
[allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
context
|
|
Packit |
971217 |
the GstGLContext to initialize with
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
params
|
|
Packit |
971217 |
the GstAllocationParams
|
|
Packit |
971217 |
to initialize with.
|
|
Packit |
971217 |
[allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
size
|
|
Packit |
971217 |
the number of bytes to be allocated
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
user_data
|
|
Packit |
971217 |
user data to call notify
|
|
Packit |
971217 |
with.
|
|
Packit |
971217 |
[allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
notify
|
|
Packit |
971217 |
a GDestroyNotify.
|
|
Packit |
971217 |
[allow-none]
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_is_gl_base_memory ()
|
|
Packit |
971217 |
gboolean
|
|
Packit |
971217 |
gst_is_gl_base_memory (GstMemory *mem);
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
mem
|
|
Packit |
971217 |
a GstMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
whether the memory at mem
|
|
Packit |
971217 |
is a GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorAllocFunction ()
|
|
Packit |
971217 |
GstGLBaseMemory *
|
|
Packit |
971217 |
(*GstGLBaseMemoryAllocatorAllocFunction)
|
|
Packit |
971217 |
(GstGLBaseMemoryAllocator *allocator,
|
|
Packit |
971217 |
GstGLAllocationParams *params);
|
|
Packit |
971217 |
Note: not called with a GL context current
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
allocator
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocator
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
params
|
|
Packit |
971217 |
the GstGLAllocationParams to allocate the memory with
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
a newly allocated GstGLBaseMemory from allocator
|
|
Packit |
971217 |
and params
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorCreateFunction ()
|
|
Packit |
971217 |
gboolean
|
|
Packit |
971217 |
(*GstGLBaseMemoryAllocatorCreateFunction)
|
|
Packit |
971217 |
(GstGLBaseMemory *mem,
|
|
Packit |
971217 |
GError **error);
|
|
Packit |
971217 |
As this virtual method is called with an OpenGL context current, use this
|
|
Packit |
971217 |
function to allocate and OpenGL resources needed for your application
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
mem
|
|
Packit |
971217 |
a GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
error
|
|
Packit |
971217 |
a GError to use on failure
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
whether the creation succeeded
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorMapFunction ()
|
|
Packit |
971217 |
gpointer
|
|
Packit |
971217 |
(*GstGLBaseMemoryAllocatorMapFunction)
|
|
Packit |
971217 |
(GstGLBaseMemory *mem,
|
|
Packit |
971217 |
GstMapInfo *info,
|
|
Packit |
971217 |
gsize maxsize);
|
|
Packit |
971217 |
Also see gst_memory_map();
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
mem
|
|
Packit |
971217 |
a GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
info
|
|
Packit |
971217 |
a GstMapInfo to map with
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
maxsize
|
|
Packit |
971217 |
the size to map
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
the mapped pointer
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorUnmapFunction ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
(*GstGLBaseMemoryAllocatorUnmapFunction)
|
|
Packit |
971217 |
(GstGLBaseMemory *mem,
|
|
Packit |
971217 |
GstMapInfo *info);
|
|
Packit |
971217 |
Also see gst_memory_unmap();
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
mem
|
|
Packit |
971217 |
a GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
info
|
|
Packit |
971217 |
a GstMapInfo to map with
|
|
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971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorCopyFunction ()
|
|
Packit |
971217 |
GstGLBaseMemory *
|
|
Packit |
971217 |
(*GstGLBaseMemoryAllocatorCopyFunction)
|
|
Packit |
971217 |
(GstGLBaseMemory *mem,
|
|
Packit |
971217 |
gssize offset,
|
|
Packit |
971217 |
gssize size);
|
|
Packit |
971217 |
Also see gst_memory_copy();
|
|
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971217 |
|
|
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971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
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971217 |
|
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Packit |
971217 |
|
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971217 |
|
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Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
mem
|
|
Packit |
971217 |
a GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
offset
|
|
Packit |
971217 |
the offset to copy from
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
size
|
|
Packit |
971217 |
the number of bytes to copy
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
the newly copied GstGLMemory or NULL
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorDestroyFunction ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
(*GstGLBaseMemoryAllocatorDestroyFunction)
|
|
Packit |
971217 |
(GstGLBaseMemory *mem);
|
|
Packit |
971217 |
Destroy any resources allocated throughout the lifetime of mem
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
mem
|
|
Packit |
971217 |
a GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_base_memory_alloc ()
|
|
Packit |
971217 |
GstGLBaseMemory *
|
|
Packit |
971217 |
gst_gl_base_memory_alloc (GstGLBaseMemoryAllocator *allocator,
|
|
Packit |
971217 |
GstGLAllocationParams *params);
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
allocator
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocator
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
params
|
|
Packit |
971217 |
the GstGLAllocationParams to allocate the memory with
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
a new GstGLBaseMemory from allocator
|
|
Packit |
971217 |
with the requested params
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_base_memory_alloc_data ()
|
|
Packit |
971217 |
gboolean
|
|
Packit |
971217 |
gst_gl_base_memory_alloc_data (GstGLBaseMemory *gl_mem);
|
|
Packit |
971217 |
Note: only intended for subclass usage to allocate the sytem memory buffer
|
|
Packit |
971217 |
on demand. If there is already a non-NULL data pointer in gl_mem->data
|
|
Packit |
971217 |
,
|
|
Packit |
971217 |
then this function imply returns TRUE.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gl_mem
|
|
Packit |
971217 |
a GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
whether the system memory could be allocated
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_gl_base_memory_memcpy ()
|
|
Packit |
971217 |
gboolean
|
|
Packit |
971217 |
gst_gl_base_memory_memcpy (GstGLBaseMemory *src,
|
|
Packit |
971217 |
GstGLBaseMemory *dest,
|
|
Packit |
971217 |
gssize offset,
|
|
Packit |
971217 |
gssize size);
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
src
|
|
Packit |
971217 |
the source GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
dest
|
|
Packit |
971217 |
the destination GstGLBaseMemory
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
offset
|
|
Packit |
971217 |
the offset to start at
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
size
|
|
Packit |
971217 |
the number of bytes to copy
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
whether the copy suceeded.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Types and Values
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocator
|
|
Packit |
971217 |
typedef struct _GstGLBaseMemoryAllocator GstGLBaseMemoryAllocator;
|
|
Packit |
971217 |
Opaque GstGLBaseMemoryAllocator struct
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorClass
|
|
Packit |
971217 |
typedef struct {
|
|
Packit |
971217 |
GstAllocatorClass parent_class;
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorAllocFunction alloc;
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorCreateFunction create;
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorMapFunction map;
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorUnmapFunction unmap;
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorCopyFunction copy;
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorDestroyFunction destroy;
|
|
Packit |
971217 |
} GstGLBaseMemoryAllocatorClass;
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Members
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorAllocFunction alloc;
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocatorAllocFunction
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorCreateFunction create;
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocatorCreateFunction
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorMapFunction map;
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocatorMapFunction
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorUnmapFunction unmap;
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocatorUnmapFunction
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorCopyFunction copy;
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocatorCopyFunction
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GstGLBaseMemoryAllocatorDestroyFunction destroy;
|
|
Packit |
971217 |
a GstGLBaseMemoryAllocatorDestroyFunction
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_GL_BASE_MEMORY_ALLOCATOR_NAME
|
|
Packit |
971217 |
#define GST_GL_BASE_MEMORY_ALLOCATOR_NAME "GLBaseMemory"
|
|
Packit |
971217 |
|
|
Packit |
971217 |
The name of the GL buffer allocator
|
|
Packit |
971217 |
Since: 1.8
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_MAP_GL
|
|
Packit |
971217 |
#define GST_MAP_GL (GST_MAP_FLAG_LAST << 1)
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Flag indicating that we should map the GL object instead of to system memory.
|
|
Packit |
971217 |
Combining GST_MAP_GL with GST_MAP_WRITE has the same semantics as though
|
|
Packit |
971217 |
you are writing to OpenGL. Conversely, combining GST_MAP_GL with
|
|
Packit |
971217 |
GST_MAP_READ has the same semantics as though you are reading from OpenGL.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
enum GstGLBaseMemoryError
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Members
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_GL_BASE_MEMORY_ERROR_FAILED
|
|
Packit |
971217 |
|
|
Packit |
971217 |
generic faliure
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_GL_BASE_MEMORY_ERROR_OLD_LIBS
|
|
Packit |
971217 |
|
|
Packit |
971217 |
the implementation is too old and doesn't
|
|
Packit |
971217 |
implement enough features
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_GL_BASE_MEMORY_ERROR_RESOURCE_UNAVAILABLE
|
|
Packit |
971217 |
|
|
Packit |
971217 |
a resource could not be found
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_GL_BASE_MEMORY_ERROR
|
|
Packit |
971217 |
#define GST_GL_BASE_MEMORY_ERROR (gst_gl_base_memory_error_quark ())
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Error domain for GStreamer's GL memory module. Errors in this domain will be
|
|
Packit |
971217 |
from the GstGLBaseMemoryError enumeration
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
enum GstGLBaseMemoryTransfer
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Members
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD
|
|
Packit |
971217 |
|
|
Packit |
971217 |
the texture needs downloading
|
|
Packit |
971217 |
to the data pointer
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD
|
|
Packit |
971217 |
|
|
Packit |
971217 |
the data pointer needs uploading
|
|
Packit |
971217 |
to the texture
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
struct GstGLAllocationParams
|
|
Packit |
971217 |
struct GstGLAllocationParams {
|
|
Packit |
971217 |
gsize struct_size;
|
|
Packit |
971217 |
GstGLAllocationParamsCopyFunc copy;
|
|
Packit |
971217 |
GstGLAllocationParamsFreeFunc free;
|
|
Packit |
971217 |
|
|
Packit |
971217 |
guint alloc_flags;
|
|
Packit |
971217 |
gsize alloc_size;
|
|
Packit |
971217 |
GstAllocationParams *alloc_params;
|
|
Packit |
971217 |
GstGLContext *context;
|
|
Packit |
971217 |
GDestroyNotify notify;
|
|
Packit |
971217 |
gpointer user_data;
|
|
Packit |
971217 |
|
|
Packit |
971217 |
/* GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM only */
|
|
Packit |
971217 |
gpointer wrapped_data;
|
|
Packit |
971217 |
/* GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE only */
|
|
Packit |
971217 |
gpointer gl_handle;
|
|
Packit |
971217 |
};
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Members
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gsize struct_size;
|
|
Packit |
971217 |
the size of the struct (including and subclass data)
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
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GstGLAllocationParamsCopyFunc copy;
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a GstGLAllocationParamsCopyFunc
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GstGLAllocationParamsFreeFunc free;
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a GstGLAllocationParamsFreeFunc
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guint alloc_flags;
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allocation flags
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gsize alloc_size;
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the allocation size
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GstAllocationParams *alloc_params;
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the GstAllocationParams
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GstGLContext *context;
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a GstGLContext
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GDestroyNotify notify;
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a GDestroyNotify
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gpointer user_data;
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argument to call notify
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with
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gpointer wrapped_data;
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the wrapped data pointer
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gpointer gl_handle;
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the wrapped OpenGL handle
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_ALLOC
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#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_ALLOC (1 << 0)
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GL Allocation flag indicating that the implementation should allocate the
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necessary resources.
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM
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#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_SYSMEM (1 << 1)
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GL Allocation flag for using the provided system memory data as storage.
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE
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#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_WRAP_GPU_HANDLE (1 << 2)
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GL Allocation flag for using the provided GPU handle as storage.
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GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_USER
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#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_USER (1 << 16)
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Values >= than GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_USER can be used for
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user-defined purposes.
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GstGLBaseMemory
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typedef struct {
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GstMemory mem;
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GstGLContext *context;
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} GstGLBaseMemory;
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Represents information about a GL memory object
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Members
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GstMemory mem;
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the parent object
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GstGLContext *context;
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the GstGLContext to use for GL operations
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See Also
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GstMemory, GstAllocator
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Generated by GTK-Doc V1.27
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