/*

 * GStreamer

 * Copyright (C) 2009 Julien Isorce <julien.isorce@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_MIXER_H__

#define __GST_GL_MIXER_H__

#include <gst/gst.h>

#include <gst/video/video.h>

#include <gst/gl/gl.h>

#include <gst/gl/gstglfuncs.h>

#include "gstglbasemixer.h"

G_BEGIN_DECLS

typedef struct _GstGLMixer GstGLMixer;

typedef struct _GstGLMixerClass GstGLMixerClass;

typedef struct _GstGLMixerPrivate GstGLMixerPrivate;

#define GST_TYPE_GL_MIXER_PAD (gst_gl_mixer_pad_get_type())

#define GST_GL_MIXER_PAD(obj) \

        (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER_PAD, GstGLMixerPad))

#define GST_GL_MIXER_PAD_CLASS(klass) \

        (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER_PAD, GstGLMixerPadClass))

#define GST_IS_GL_MIXER_PAD(obj) \

        (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER_PAD))

#define GST_IS_GL_MIXER_PAD_CLASS(klass) \

        (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER_PAD))

#define GST_GL_MIXER_PAD_GET_CLASS(obj) \

        (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER_PAD,GstGLMixerPadClass))

typedef struct _GstGLMixerPad GstGLMixerPad;

typedef struct _GstGLMixerPadClass GstGLMixerPadClass;

/* all information needed for one video stream */

struct _GstGLMixerPad

{

  GstGLBaseMixerPad parent;

  guint current_texture;

};

struct _GstGLMixerPadClass

{

  GstGLBaseMixerPadClass parent_class;

};

GType gst_gl_mixer_pad_get_type (void);

#define GST_TYPE_GL_MIXER (gst_gl_mixer_get_type())

#define GST_GL_MIXER(obj) \

        (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_MIXER, GstGLMixer))

#define GST_GL_MIXER_CLASS(klass) \

        (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_MIXER, GstGLMixerClass))

#define GST_IS_GL_MIXER(obj) \

        (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_MIXER))

#define GST_IS_GL_MIXER_CLASS(klass) \

        (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_MIXER))

#define GST_GL_MIXER_GET_CLASS(obj) \

        (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_MIXER,GstGLMixerClass))

typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer,

  GstCaps* outcaps);

typedef void (*GstGLMixerReset) (GstGLMixer *mixer);

typedef gboolean (*GstGLMixerProcessFunc) (GstGLMixer *mix, GstBuffer *outbuf);

typedef gboolean (*GstGLMixerProcessTextures) (GstGLMixer *mix, GstGLMemory *out_tex);

struct _GstGLMixer

{

  GstGLBaseMixer vaggregator;

  GstGLFramebuffer *fbo;

  GstCaps *out_caps;

  GstGLMixerPrivate *priv;

};

struct _GstGLMixerClass

{

  GstGLBaseMixerClass parent_class;

  GstGLMixerSetCaps set_caps;

  GstGLMixerReset reset;

  GstGLMixerProcessFunc process_buffers;

  GstGLMixerProcessTextures process_textures;

};

GType gst_gl_mixer_get_type(void);

gboolean gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf);

G_END_DECLS

#endif /* __GST_GL_MIXER_H__ */