mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 12:41:05 +00:00
134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef _GST_GL_MEMORY_H_
|
|
#define _GST_GL_MEMORY_H_
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/gstmemory.h>
|
|
#include <gst/gstallocator.h>
|
|
|
|
#include "gstgldisplay.h"
|
|
#include "gstgldownload.h"
|
|
#include "gstglupload.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstGLUpload GstGLUpload;
|
|
typedef struct _GstGLDownload GstGLDownload;
|
|
|
|
#define GST_TYPE_GL_ALLOCATOR (gst_gl_allocator_get_type())
|
|
GType gst_gl_allocator_get_type(void);
|
|
|
|
#define GST_IS_GL_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_ALLOCATOR))
|
|
#define GST_IS_GL_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_ALLOCATOR))
|
|
#define GST_GL_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_ALLOCATOR, GstGLAllocatorClass))
|
|
#define GST_GL_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_ALLOCATOR, GstGLAllocator))
|
|
#define GST_GL_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_ALLOCATOR, GstGLAllocatorClass))
|
|
#define GST_GL_ALLOCATOR_CAST(obj) ((GstGLAllocator *)(obj))
|
|
|
|
typedef struct _GstGLMemory GstGLMemory;
|
|
typedef struct _GstGLAllocator GstGLAllocator;
|
|
typedef struct _GstGLAllocatorClass GstGLAllocatorClass;
|
|
|
|
typedef enum
|
|
{
|
|
GST_GL_MEMORY_FLAG_DOWNLOAD_INITTED = (GST_MEMORY_FLAG_LAST << 0),
|
|
GST_GL_MEMORY_FLAG_UPLOAD_INITTED = (GST_MEMORY_FLAG_LAST << 1),
|
|
GST_GL_MEMORY_FLAG_NEED_DOWNLOAD = (GST_MEMORY_FLAG_LAST << 2),
|
|
GST_GL_MEMORY_FLAG_NEED_UPLOAD = (GST_MEMORY_FLAG_LAST << 3)
|
|
} GstGLMemoryFlags;
|
|
|
|
/**
|
|
* GST_MAP_GL:
|
|
*
|
|
* Flag indicating that we should map the GL object instead of to system memory.
|
|
*
|
|
* Combining #GST_MAP_GL with #GST_MAP_WRITE has the same semantics as though
|
|
* you are writing to OpenGL. Conversely, combining #GST_MAP_GL with
|
|
* #GST_MAP_READ has the same semantics as though you are reading from OpenGL.
|
|
*/
|
|
#define GST_MAP_GL GST_MAP_FLAG_LAST << 1
|
|
|
|
/**
|
|
* GstGLMemory:
|
|
* @mem: the parent object
|
|
* @display: the #GstGLDisplay to use
|
|
* @tex_id: the texture id
|
|
* @gl_format: the format of the texture
|
|
* @width: width of the texture
|
|
* @height: height of the texture
|
|
*
|
|
* Represents information about a GL texture
|
|
*/
|
|
struct _GstGLMemory
|
|
{
|
|
GstMemory mem;
|
|
|
|
GstGLDisplay *display;
|
|
GLuint tex_id;
|
|
GstVideoFormat v_format;
|
|
GLenum gl_format;
|
|
GLuint width;
|
|
GLuint height;
|
|
|
|
GstGLDownload *download;
|
|
GLenum render_target;
|
|
GstGLUpload *upload;
|
|
|
|
GstMapFlags map_flags;
|
|
gpointer data;
|
|
|
|
gboolean wrapped;
|
|
GDestroyNotify notify;
|
|
gpointer user_data;
|
|
};
|
|
|
|
#define GST_GL_MEMORY_ALLOCATOR "GLMemory"
|
|
|
|
#define GST_GL_MEMORY_FLAGS(mem) GST_MEMORY_FLAGS(mem)
|
|
#define GST_GL_MEMORY_FLAG_IS_SET(mem,flag) GST_MEMORY_FLAG_IS_SET(mem,flag)
|
|
#define GST_GL_MEMORY_FLAG_SET(mem,flag) GST_MINI_OBJECT_FLAG_SET(mem,flag)
|
|
#define GST_GL_MEMORY_FLAG_UNSET(mem,flag) GST_MEMORY_FLAG_UNSET(mem,flag)
|
|
|
|
void gst_gl_memory_init (void);
|
|
|
|
GstMemory * gst_gl_memory_alloc (GstGLDisplay * display, GstVideoFormat format,
|
|
gsize width, gsize height);
|
|
|
|
GstGLMemory * gst_gl_memory_wrapped (GstGLDisplay * display, GstVideoFormat format,
|
|
guint width, guint height, gpointer data,
|
|
gpointer user_data, GDestroyNotify notify);
|
|
|
|
gboolean gst_is_gl_memory (GstMemory * mem);
|
|
|
|
struct _GstGLAllocator
|
|
{
|
|
GstAllocator parent;
|
|
};
|
|
|
|
struct _GstGLAllocatorClass
|
|
{
|
|
GstAllocatorClass parent_class;
|
|
};
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* _GST_GL_MEMORY_H_ */
|