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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/gst.h>
#include <gst/gstallocator.h>
#include <gst/gstmemory.h>
#include <gst/video/video.h>
#include <gst/gl/gstglmemory.h>
G_BEGIN_DECLS
#define GST_TYPE_GL_MEMORY_PBO_ALLOCATOR (gst_gl_memory_pbo_allocator_get_type())
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, GstGLAllocatorClass))
#define GST_GL_MEMORY_PBO_ALLOCATOR_CAST(obj) ((GstGLMemoryPBOAllocator *)(obj))
/**
* GstGLMemoryPBO:
*
* Private instance
*/
struct _GstGLMemoryPBO
{
GstGLMemory mem;
/* <private> */
GstGLBuffer *pbo;
};
/**
* GST_GL_MEMORY_PBO_ALLOCATOR:
*
* The name of the GL Memory PBO allocator
*/
#define GST_GL_MEMORY_PBO_ALLOCATOR_NAME "GLMemoryPBO"
void gst_gl_memory_pbo_init_once (void);
gboolean gst_is_gl_memory_pbo (GstMemory * mem);
GstMemory * gst_gl_memory_pbo_alloc (GstGLContext * context,
GstGLTextureTarget target,
GstAllocationParams *params,
GstVideoInfo * info,
guint plane,
GstVideoAlignment *valign);
GstGLMemoryPBO * gst_gl_memory_pbo_wrapped (GstGLContext * context,
GstGLTextureTarget target,
GstVideoInfo * info,
guint plane,
GstVideoAlignment *valign,
gpointer data,
gpointer user_data,
GDestroyNotify notify);
GstGLMemoryPBO * gst_gl_memory_pbo_wrapped_texture (GstGLContext * context,
guint texture_id,
GstGLTextureTarget target,
GstVideoInfo * info,
guint plane,
GstVideoAlignment *valign,
gpointer user_data,
GDestroyNotify notify);
void gst_gl_memory_pbo_download_transfer (GstGLMemoryPBO * gl_mem);
void gst_gl_memory_pbo_upload_transfer (GstGLMemoryPBO * gl_mem);
gboolean gst_gl_memory_pbo_copy_into_texture (GstGLMemoryPBO *gl_mem,
guint tex_id,
GstGLTextureTarget target,
GstVideoGLTextureType tex_type,
gint width,
gint height,
gint stride,
gboolean respecify);
gboolean gst_gl_memory_pbo_setup_buffer (GstGLContext * context,
GstGLTextureTarget target,
GstAllocationParams * params,
GstVideoInfo * info,
GstVideoAlignment *valign,
GstBuffer * buffer);
gboolean gst_gl_memory_pbo_setup_wrapped (GstGLContext * context,
GstGLTextureTarget target,
GstVideoInfo * info,
GstVideoAlignment *valign,
gpointer data[GST_VIDEO_MAX_PLANES],
GstGLMemoryPBO *textures[GST_VIDEO_MAX_PLANES],
gpointer user_data,
GDestroyNotify notify);
/**
* GstGLAllocator
*
* Opaque #GstGLAllocator struct
*/
struct _GstGLMemoryPBOAllocator
{
GstGLMemoryAllocator parent;
};
/**
* GstGLAllocatorClass:
*
* The #GstGLAllocatorClass only contains private data
*/
struct _GstGLMemoryPBOAllocatorClass
{
GstGLMemoryAllocatorClass parent_class;
};
G_END_DECLS
#endif /* _GST_GL_MEMORY_PBO_H_ */
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