ext/gl/gstgldownloadelement.h

/*
 * GStreamer
 * Copyright (C) 2012 Matthew Waters <ystree00@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., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __GST_GL_DOWNLOAD_ELEMENT_H__
#define __GST_GL_DOWNLOAD_ELEMENT_H__

#include <gst/video/video.h>
#include <gst/gstmemory.h>

#include <gst/gl/gl.h>
#include <gst/gl/gstglfuncs.h>

G_BEGIN_DECLS

GType gst_gl_download_element_get_type (void);
#define GST_TYPE_GL_DOWNLOAD_ELEMENT (gst_gl_download_element_get_type())
#define GST_GL_DOWNLOAD_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DOWNLOAD_ELEMENT,GstGLDownloadElement))
#define GST_GL_DOWNLOAD_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDownloadElementClass))
#define GST_IS_GL_DOWNLOAD_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DOWNLOAD_ELEMENT))
#define GST_IS_GL_DOWNLOAD_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DOWNLOAD_ELEMENT))
#define GST_GL_DOWNLOAD_ELEMENT_CAST(obj) ((GstGLDownloadElement*)(obj))

typedef struct _GstGLDownloadElement GstGLDownloadElement;
typedef struct _GstGLDownloadElementClass GstGLDownloadElementClass;

typedef GLboolean (GL_APIENTRYP PFNGLEXPORTTEXIMAGEDMAPROC)
    (GLuint Texture, GLint *Fd, GLint *Fourcc, GLsizei *Width, GLsizei *Height, GLsizei *Stride);

struct _GstGLDownloadElement
{
  /* <private> */
  GstGLBaseFilter  parent;

  gboolean do_pbo_transfers;
  GstAllocator * dmabuf_allocator;
  gboolean add_videometa;

  PFNGLEXPORTTEXIMAGEDMAPROC glExportTexImageDMA;
  GstGLContext *export_context;
  GstBufferPool * export_pool;
  GstVideoInfo src_info;
  GstVideoInfo export_info;
  GstVideoConverter *converter;
};

struct _GstGLDownloadElementClass
{
  /* <private> */
  GstGLBaseFilterClass object_class;
};

G_END_DECLS

#endif /* __GST_GL_DOWNLOAD_ELEMENT_H__ */