gstreamer/gst-libs/gst/gl/gstglmemorypbo.h

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/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
* 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_MEMORY_PBO_H_
#define _GST_GL_MEMORY_PBO_H_
#include <gst/gl/gstglmemory.h>
G_BEGIN_DECLS
#define GST_TYPE_GL_MEMORY_PBO_ALLOCATOR (gst_gl_memory_pbo_allocator_get_type())
GST_GL_API
GType gst_gl_memory_pbo_allocator_get_type(void);
#define GST_IS_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
#define GST_IS_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
#define GST_GL_MEMORY_PBO_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass))
#define GST_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocator))
#define GST_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass))
#define GST_GL_MEMORY_PBO_ALLOCATOR_CAST(obj) ((GstGLMemoryPBOAllocator *)(obj))
/**
* GstGLMemoryPBO:
*
* Private instance
*/
struct _GstGLMemoryPBO
{
/* <private> */
GstGLMemory mem;
GstGLBuffer *pbo;
gpointer _padding[GST_PADDING];
};
/**
* GST_GL_MEMORY_PBO_ALLOCATOR_NAME:
*
* The name of the GL Memory PBO allocator
*/
#define GST_GL_MEMORY_PBO_ALLOCATOR_NAME "GLMemoryPBO"
GST_GL_API
void gst_gl_memory_pbo_init_once (void);
GST_GL_API
gboolean gst_is_gl_memory_pbo (GstMemory * mem);
GST_GL_API
void gst_gl_memory_pbo_download_transfer (GstGLMemoryPBO * gl_mem);
GST_GL_API
void gst_gl_memory_pbo_upload_transfer (GstGLMemoryPBO * gl_mem);
GST_GL_API
gboolean gst_gl_memory_pbo_copy_into_texture (GstGLMemoryPBO *gl_mem,
guint tex_id,
GstGLTextureTarget target,
GstGLFormat tex_format,
gint width,
gint height,
gint stride,
gboolean respecify);
/**
* GstGLMemoryPBOAllocator:
*
* Opaque #GstGLMemoryPBOAllocator struct
*/
struct _GstGLMemoryPBOAllocator
{
GstGLMemoryAllocator parent;
/* <private> */
gpointer _padding[GST_PADDING];
};
/**
* GstGLMemoryPBOAllocatorClass:
*
* Only contains private data
*/
struct _GstGLMemoryPBOAllocatorClass
{
GstGLMemoryAllocatorClass parent_class;
/* <private> */
gpointer _padding[GST_PADDING];
};
G_END_DECLS
#endif /* _GST_GL_MEMORY_PBO_H_ */