#ifndef __GST_VIDEO_COMMON_H__
#define __GST_VIDEO_COMMON_H__

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

typedef enum {
  GST_VIDEO_FORMAT_UNKNOWN,
  GST_VIDEO_FORMAT_I420,
  GST_VIDEO_FORMAT_YV12,
  GST_VIDEO_FORMAT_YUY2,
  GST_VIDEO_FORMAT_UYVY,
  GST_VIDEO_FORMAT_AYUV,
  GST_VIDEO_FORMAT_RGBx,
  GST_VIDEO_FORMAT_BGRx
} GstVideoFormat;



gboolean gst_video_parse_caps (GstCaps *caps, GstVideoFormat *format,
    int *width, int *height);
gboolean gst_video_parse_caps_framerate (GstCaps *caps,
    int *fps_n, int *fps_d);
gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps *caps,
    int *par_n, int *par_d);
GstCaps * gst_video_create_caps (GstVideoFormat format,
    int width, int height, int framerate_n, int framerate_d,
    int par_n, int par_d);
GstVideoFormat gst_video_fourcc_to_format (guint32 fourcc);
guint32 gst_video_format_to_fourcc (GstVideoFormat format);
GstVideoFormat gst_video_rgb32_masks_to_format (int red_mask, int green_mask, int blue_mask);
gboolean gst_video_format_is_rgb (GstVideoFormat format);
gboolean gst_video_format_is_yuv (GstVideoFormat format);
gboolean gst_video_format_has_alpha (GstVideoFormat format);
int gst_video_format_get_row_stride (GstVideoFormat format, int component,
    int width);
int gst_video_format_get_pixel_stride (GstVideoFormat format, int component);
int gst_video_format_get_component_width (GstVideoFormat format, int component,
    int width);
int gst_video_format_get_component_height (GstVideoFormat format, int component,
    int height);
int gst_video_format_get_component_offset (GstVideoFormat format, int component,
    int width, int height);
int gst_video_format_get_size (GstVideoFormat format, int width, int height);
gboolean gst_video_convert (GstVideoFormat format, int width, int height,
    int fps_n, int fps_d,
    GstFormat src_format, gint64 src_value,
    GstFormat dest_format, gint64 * dest_value);

#endif