libarmbox: hdmi_colormetry added

choices:

- auto
- bt202ncl
- bt2020cl
- bt709

libarmbox/video_lib.h

@@ -36,6 +36,14 @@ typedef enum
 	COLORFORMAT_HDMI_YCBCR420
 } COLOR_FORMAT;
 
+typedef enum
+{
+	HDMI_MODE_AUTO,
+	HDMI_MODE_BT2020NCL,
+	HDMI_MODE_BT2020CL,
+	HDMI_MODE_BT709
+} HDMI_MODE;
+
 typedef enum
 {
 	VIDEO_FORMAT_MPEG2 = 0,
@@ -277,6 +285,7 @@ class cVideo
 		int StopVBI(void) { return 0; };
 		void SetDemux(cDemux *dmx);
 		void SetColorFormat(COLOR_FORMAT color_format);
+		void SetHdmiMode(HDMI_MODE hdmi_mode);
 		bool GetScreenImage(unsigned char *&data, int &xres, int &yres, bool get_video = true, bool get_osd = false, bool scale_to_video = false);
 };