mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 23:46:43 +00:00
a10b35c011
They can't be used in any useful way. The type of every GstMemory is always GST_TYPE_MEMORY and the subtyping relationship has to be implemented on top of that via the associated allocator and mem_type string. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1764>
151 lines
4.7 KiB
C
151 lines
4.7 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef _GST_GL_BUFFER_H_
|
|
#define _GST_GL_BUFFER_H_
|
|
|
|
#include <gst/gl/gstglbasememory.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_GL_BUFFER_ALLOCATOR (gst_gl_buffer_allocator_get_type())
|
|
GST_GL_API
|
|
GType gst_gl_buffer_allocator_get_type(void);
|
|
|
|
#define GST_IS_GL_BUFFER_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_ALLOCATOR))
|
|
#define GST_IS_GL_BUFFER_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_BUFFER_ALLOCATOR))
|
|
#define GST_GL_BUFFER_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_BUFFER_ALLOCATOR, GstGLBufferAllocatorClass))
|
|
#define GST_GL_BUFFER_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_BUFFER_ALLOCATOR, GstGLBufferAllocator))
|
|
#define GST_GL_BUFFER_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_BUFFER_ALLOCATOR, GstGLBufferAllocatorClass))
|
|
#define GST_GL_BUFFER_ALLOCATOR_CAST(obj) ((GstGLBufferAllocator *)(obj))
|
|
|
|
/**
|
|
* GstGLBuffer:
|
|
* @mem: the parent object
|
|
* @id: the buffer id for this memory
|
|
* @target: the OpenGL target of this texture for binding purposes
|
|
* @usage_hints: the OpenGL usage hints this buffer was created with
|
|
*
|
|
* Represents information about a GL buffer
|
|
*/
|
|
struct _GstGLBuffer
|
|
{
|
|
GstGLBaseMemory mem;
|
|
|
|
guint id;
|
|
guint target; /* XXX: put this in the allocator? */
|
|
guint usage_hints; /* XXX: put this in the allocator? */
|
|
};
|
|
|
|
typedef struct _GstGLBufferAllocationParams GstGLBufferAllocationParams;
|
|
|
|
#define GST_TYPE_GL_BUFFER_ALLOCATION_PARAMS (gst_gl_buffer_allocation_params_get_type())
|
|
GST_GL_API
|
|
GType gst_gl_buffer_allocation_params_get_type (void);
|
|
|
|
/**
|
|
* GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_BUFFER:
|
|
*
|
|
* GL allocation flag indicating the allocation of a GL buffer.
|
|
*/
|
|
#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_BUFFER (1 << 4)
|
|
|
|
/**
|
|
* GstGLBufferAllocationParams:
|
|
* @parent: parent object
|
|
* @gl_target: the OpenGL target to bind the buffer to
|
|
* @gl_usage: the OpenGL usage hint to create the buffer with
|
|
*/
|
|
struct _GstGLBufferAllocationParams
|
|
{
|
|
GstGLAllocationParams parent;
|
|
|
|
guint gl_target;
|
|
guint gl_usage;
|
|
|
|
/*< private >*/
|
|
gpointer _padding[GST_PADDING];
|
|
};
|
|
|
|
GST_GL_API
|
|
GstGLBufferAllocationParams * gst_gl_buffer_allocation_params_new (GstGLContext * context,
|
|
gsize alloc_size,
|
|
const GstAllocationParams * alloc_params,
|
|
guint gl_target,
|
|
guint gl_usage);
|
|
|
|
/**
|
|
* GstGLBufferAllocator:
|
|
*
|
|
* Opaque #GstGLBufferAllocator struct
|
|
*/
|
|
struct _GstGLBufferAllocator
|
|
{
|
|
GstGLBaseMemoryAllocator parent;
|
|
|
|
/*< private >*/
|
|
gpointer _padding[GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GstGLBufferAllocatorClass:
|
|
*
|
|
* The #GstGLBufferAllocatorClass only contains private data
|
|
*/
|
|
struct _GstGLBufferAllocatorClass
|
|
{
|
|
GstGLBaseMemoryAllocatorClass parent_class;
|
|
|
|
/*< private >*/
|
|
gpointer _padding[GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GST_CAPS_FEATURE_MEMORY_GL_BUFFER:
|
|
*
|
|
* Name of the caps feature indicating the use of GL buffers
|
|
*/
|
|
#define GST_CAPS_FEATURE_MEMORY_GL_BUFFER "memory:GLBuffer"
|
|
|
|
/**
|
|
* GST_GL_BUFFER_ALLOCATOR_NAME:
|
|
*
|
|
* The name of the GL buffer allocator
|
|
*/
|
|
#define GST_GL_BUFFER_ALLOCATOR_NAME "GLBuffer"
|
|
|
|
/**
|
|
* GST_TYPE_GL_BUFFER:
|
|
*
|
|
* Since: 1.20
|
|
* Deprecated: 1.22: This type has no use.
|
|
*/
|
|
#define GST_TYPE_GL_BUFFER (gst_gl_buffer_get_type())
|
|
GST_GL_DEPRECATED
|
|
GType gst_gl_buffer_get_type(void);
|
|
|
|
GST_GL_API
|
|
void gst_gl_buffer_init_once (void);
|
|
GST_GL_API
|
|
gboolean gst_is_gl_buffer (GstMemory * mem);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* _GST_GL_BUFFER_H_ */
|