testyuv_cvt.h File Reference

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Functions
SDL_bool	ConvertRGBtoYUV (Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
int	CalculateYUVPitch (Uint32 format, int width)

Function Documentation

CalculateYUVPitch()

int CalculateYUVPitch	(	Uint32	format,
		int	width
	)

Definition at line 282 of file testyuv_cvt.c.

{
    switch (format)
    {
    case SDL_PIXELFORMAT_YV12:
    case SDL_PIXELFORMAT_IYUV:
    case SDL_PIXELFORMAT_NV12:
    case SDL_PIXELFORMAT_NV21:
        return width;
    case SDL_PIXELFORMAT_YUY2:
    case SDL_PIXELFORMAT_UYVY:
    case SDL_PIXELFORMAT_YVYU:
        return 4*((width + 1)/2);
    default:
        return 0;
    }
}

References SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_NV12, SDL_PIXELFORMAT_NV21, SDL_PIXELFORMAT_UYVY, SDL_PIXELFORMAT_YUY2, SDL_PIXELFORMAT_YV12, and SDL_PIXELFORMAT_YVYU.

Referenced by main(), and run_automated_tests().

ConvertRGBtoYUV()

SDL_bool ConvertRGBtoYUV	(	Uint32	format,
		Uint8 *	src,
		int	pitch,
		Uint8 *	out,
		int	w,
		int	h,
		SDL_YUV_CONVERSION_MODE	mode,
		int	monochrome,
		int	luminance
	)

Definition at line 262 of file testyuv_cvt.c.

{
    switch (format)
    {
    case SDL_PIXELFORMAT_YV12:
    case SDL_PIXELFORMAT_IYUV:
    case SDL_PIXELFORMAT_NV12:
    case SDL_PIXELFORMAT_NV21:
        ConvertRGBtoPlanar2x2(format, src, pitch, out, w, h, mode, monochrome, luminance);
        return SDL_TRUE;
    case SDL_PIXELFORMAT_YUY2:
    case SDL_PIXELFORMAT_UYVY:
    case SDL_PIXELFORMAT_YVYU:
        ConvertRGBtoPacked4(format, src, pitch, out, w, h, mode, monochrome, luminance);
        return SDL_TRUE;
    default:
        return SDL_FALSE;
    }
}

References ConvertRGBtoPacked4(), ConvertRGBtoPlanar2x2(), SDL_FALSE, SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_NV12, SDL_PIXELFORMAT_NV21, SDL_PIXELFORMAT_UYVY, SDL_PIXELFORMAT_YUY2, SDL_PIXELFORMAT_YV12, SDL_PIXELFORMAT_YVYU, and SDL_TRUE.

Referenced by main(), and run_automated_tests().