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/*
 * GStreamer Android EGL/GLES Sink
 * Copyright (C) 2012 Collabora Ltd.
 *   @author: Reynaldo H. Verdejo Pinochet <reynaldo@collabora.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Alternatively, the contents of this file may be used under the
 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
 * which case the following provisions apply instead of the ones
 * mentioned above:
 *
 * 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_VIDROIDSINK_H__
#define __GST_VIDROIDSINK_H__

#include <gst/gst.h>

#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>

G_BEGIN_DECLS
#define GST_TYPE_VIDROIDSINK \
  (gst_vidroidsink_get_type())
#define GST_VIDROIDSINK(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDROIDSINK,GstViDroidSink))
#define GST_VIDROIDSINK_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDROIDSINK,GstViDroidSinkClass))
#define GST_IS_VIDROIDSINK(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDROIDSINK))
#define GST_IS_VIDROIDSINK_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDROIDSINK))
/* XXX: Harcoded format. Should be runtime built latter on. */
#define GST_VIDROIDSINK_IMAGE_RGB565 1
#define GST_VIDROIDSINK_IMAGE_NOFMT -1

#define GST_VIDROIDSINK_EGL_MIN_VERSION 1 

typedef struct _GstViDroidBuffer GstViDroidBuffer;
typedef struct _GstViDroidBufferClass GstViDroidBufferClass;

typedef struct _GstViDroidSink GstViDroidSink;
typedef struct _GstViDroidSinkClass GstViDroidSinkClass;

typedef struct _GstViDroidImageFmt GstViDroidImageFmt;

typedef struct _coord
{
  float x;
  float y;
  float z;
} coord;

struct _GstViDroidImageFmt
{
  gint fmt;
  GstCaps *caps;
};

/* XXX: Maybe use GstVideoRectangle for the image data? */
struct _GstViDroidBuffer
{
  GstBuffer buffer;
  GstViDroidSink *vidroidsink;

  EGLint *image;
  gint format;

  gint width, height;
  size_t size;
};

struct _GstViDroidSink
{
  GstVideoSink videosink;
  GstVideoFormat format;
  GstCaps *current_caps;
  GstPad *sink;

  /* XXX: The supported format list should likely be part
   * of a local EGL/GLES context and built at runtime from
   * the platform supported fmts. Right now we just add one
   * format/caps at init.
   */
  GList *supported_fmts;

  GMutex *flow_lock;

  EGLConfig config;
  EGLContext context;
  EGLDisplay display;
  EGLNativeWindowType window;
  EGLSurface surface;

  GLuint texture[1];

  gboolean have_window;
  gboolean have_surface;;
  gboolean have_vbo;
  gboolean have_texture;
  gboolean running;

  /* shader vars */
  coord coordarray[4];
  unsigned short indexarray[4];
  unsigned int vdata, idata;

  /* props */
  gboolean silent;
  gboolean can_create_window;
  gint window_default_width;
  gint window_default_height;
};

struct _GstViDroidSinkClass
{
  GstVideoSinkClass parent_class;
};

GType gst_vidroidsink_get_type (void);

G_END_DECLS
#endif /* __GST_VIDROIDSINK_H__ */