#ifndef _GST_GL_BUFFER_H_
#define _GST_GL_BUFFER_H_

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

#include "gstgldisplay.h"

typedef struct _GstGLBuffer GstGLBuffer;

#define GST_TYPE_GL_BUFFER (gst_gl_buffer_get_type())

#define GST_IS_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_BUFFER))
#define GST_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_BUFFER, GstGLBuffer))



struct _GstGLBuffer {
    GstBuffer buffer;

    GstGLDisplay *display;

    GstVideoFormat video_format;

    GLuint texture;
    GLuint texture_u;
    GLuint texture_v;

    gint width;
    gint height;
};

GType gst_gl_buffer_get_type (void);

#define gst_gl_buffer_ref(x) ((GstGLBuffer *)(gst_buffer_ref((GstBuffer *)(x))))
#define gst_gl_buffer_unref(x) (gst_buffer_unref((GstBuffer *)(x)))

GstGLBuffer* gst_gl_buffer_new_from_video_format (GstGLDisplay* display, GstVideoFormat format, 
												  gint context_width, gint context_height, 
                                                  gint width, gint height);
gint gst_gl_buffer_format_get_size (GstVideoFormat format, gint width, gint height);
gboolean gst_gl_buffer_format_parse_caps (GstCaps* caps, GstVideoFormat* format,
										  gint* width, gint* height);


#define GST_GL_VIDEO_CAPS \
  "video/x-raw-gl," \
  "width=(int)[1,1920]," \
  "height=(int)[1,1080]," \
  "pixel-aspect-ratio=(fraction)1/1," \
  "framerate=(fraction)[0/1,100/1]"

#endif