hxcolor.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _HXCOLOR_H_
- #define _HXCOLOR_H_
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include "ciddefs.h"
- /*
- * component GUID support.
- */
- HX_RESULT HXEXPORT ENTRYPOINT(GetHXColorGUID) (UCHAR* pGUID);
- /*
- * Initialize color conversion library.
- */
- void HXEXPORT ENTRYPOINT(InitColorConverter) ();
- /*
- * Set YUV color adjustments.
- * Use:
- * void SetColorAdjustments (float Brightness,
- * float Contrast, float Saturation, float Hue);
- * Input:
- * Brightness - brightness adjustment [-1,1], default - 0
- * Contrast - contrast adjustment [-1,1], default - 0
- * Saturation - saturation adjustment [-1,1], default - 0
- * Hue - hue adjustment [-1,1], default - 0
- * Returns:
- * none.
- */
- void HXEXPORT ENTRYPOINT(SetColorAdjustments) (float Brightness,
- float Contrast, float Saturation, float Hue);
- /*
- * Get the current YUV color adjustments.
- * Use:
- * void GetColorAdjustments (float *Brightness,
- * float *Contrast, float *Saturation, float *Hue);
- * Output:
- * Brightness - brightness adjustment [-1,1], default - 0
- * Contrast - contrast adjustment [-1,1], default - 0
- * Saturation - saturation adjustment [-1,1], default - 0
- * Hue - hue adjustment [-1,1], default - 0
- * Returns:
- * none.
- */
- void HXEXPORT ENTRYPOINT(GetColorAdjustments) (float* Brightness,
- float* Contrast, float* Saturation, float* Hue);
- /*
- * Suggest palette to use for 8-bit RGB output.
- * Use:
- * int SuggestRGB8Palette (int nColors, UINT32 *lpRGBVals);
- * Input:
- * nColors - the number of existing colors in palette
- * lpRGBVals - RGB values for each palette entry
- * lpIndices - pixel values (palette indices)
- * Returns:
- * >0, the total number of colors to be used, if success
- * -1, if error
- */
- #ifdef _FAT_HXCOLOR
- int HXEXPORT ENTRYPOINT(SuggestRGB8Palette) (int nColors, UINT32 *lpRGBVals);
- #endif
- /*
- * Set palette to use for 8-bit RGB output.
- * Use:
- * int SetRGB8Palette (int nColors, UINT32 *lpRGBVals, int *lpIndices);
- * Input:
- * nColors - the number of colors in palette
- * lpRGBVals - RGB values for each palette entry
- * lpIndices - pixel values (palette indices)
- * Returns:
- * >0, the total number of colors set, if success
- * -1, if error
- */
- #ifdef _FAT_HXCOLOR
- int HXEXPORT ENTRYPOINT(SetRGB8Palette) (int nColors, UINT32 *lpRGBVals, int *lpIndices);
- #endif
- /*
- * Sets YUV 4:4:4 -> YUV 4:2:0 chroma resampling mode
- * Use:
- * int SetChromaResamplingMode(int nNewMode);
- * Input:
- * nNewMode - a chroma resampling mode to use
- * E.g. given input a b
- * chroma samples: c d
- * we will produce:
- * mode = 0: (a+b+c+d) / 4
- * 1: (a+b) / 2
- * 2: (c+d) / 2
- * Returns:
- * previously set resampling mode.
- */
- #ifdef _FAT_HXCOLOR
- int HXEXPORT ENTRYPOINT(SetChromaResamplingMode)(int nNewMode);
- #endif
- /*
- * Low-level format-conversion routines.
- * Use:
- * int XXXXtoYYYY (unsigned char *dest_ptr, int dest_width, int dest_height,
- * int dest_pitch, int dest_x, int dest_y, int dest_dx, int dest_dy,
- * unsigned char *src_ptr, int src_width, int src_height, int src_pitch,
- * int src_x, int src_y, int src_dx, int src_dy);
- * Input:
- * dest_ptr - pointer to a destination buffer
- * dest_width, dest_height - width/height of the destination image (pixels)
- * dest_pitch - pitch of the dest. buffer (in bytes; <0 - if bottom up image)
- * dest_x, dest_y, dest_dx, dest_dy - destination rectangle (pixels)
- * src_ptr - pointer to an input image
- * src_width, src_height - width/height of the input image (pixels)
- * src_pitch - pitch of the source buffer (in bytes; <0 - if bottom up image)
- * src_x, src_y, src_dx, src_dy - source rectangle (pixels)
- * Returns:
- * 0 - if success; -1 if failure.
- * Notes:
- * a) In all cases, pointers to the source and destination buffers must be
- * DWORD aligned, and both pitch parameters must be multiple of 4!!!
- * b) Converters that deal with YUV 4:2:2, or 4:2:0 formats may also require
- * rectangle parameters (x,y,dx,dy) to be multiple of 2. Failure to provide
- * aligned rectangles will result in partially converted image.
- * c) Currently only scale factors of 1:1 and 2:1 are supported; if the rates
- * dest_dx/src_dx & dest_dy/src_dy are neither 1, or 2, the converters
- * will fail.
- */
- typedef int (* LPHXCOLORCONVERTER)
- (unsigned char *, int, int, int, int, int, int, int,
- unsigned char *, int, int, int, int, int, int, int);
-
- #if defined(HELIX_CONFIG_NOSTATICS)
- #include "nostatic/yuv.h" //for color_data_t
- typedef int (* LPHXCOLORCONVERTERNOSTATIC)
- (unsigned char *, int, int, int, int, int, int, int,
- unsigned char *, int, int, int, int, int, int, int,
- color_data_t* );
-
- #endif
-
- HX_RESULT HXEXPORT ENTRYPOINT(GetCompatibleColorFormats)(INT32 cidIn, INT32* pcidOut, UINT32* pnSize);
- /*
- * Find a converter to trasform data from format X to format Y.
- * Use:
- * LPHXCOLORCONVERTER GetColorConverter (INT32 cidIn, INT32 cidOut);
- * Input:
- * cidIn - input color format ID (!CID_UNKNOWN)
- * cidOut - desirable output color format ID (!CID_UNKNOWN)
- * Returns:
- * pointer to an appropriate color conversion routine, if success;
- * NULL - conversion is not supported.
- */
- LPHXCOLORCONVERTER HXEXPORT ENTRYPOINT(GetColorConverter) (INT32 cidIn, INT32 cidOut);
- /*
- * Low-level format-conversion routines.
- * Use:
- * int I420toYYYY (unsigned char *dest_ptr, int dest_width, int dest_height,
- * int dest_pitch, int dest_x, int dest_y, int dest_dx, int dest_dy,
- * unsigned char *pY, unsigned char *pU, unsigned char *pV,
- * int src_width, int src_height, int yPitch, int uPitch, int vPitch,
- * int src_x, int src_y, int src_dx, int src_dy);
- * Input:
- * dest_ptr - pointer to a destination buffer
- * dest_width, dest_height - width/height of the destination image (pixels)
- * dest_pitch - pitch of the dest. buffer (in bytes; <0 - if bottom up image)
- * dest_x, dest_y, dest_dx, dest_dy - destination rectangle (pixels)
- * pY - pointer to the y plane
- * pU - pointer to the u plane
- * pV - pointer to the v plane
- * src_width, src_height - width/height of the input image (pixels)
- * yPitch - pitch of the y source buffer (in bytes; <0 - if bottom up image)
- * uPitch - pitch of the u source buffer (in bytes; <0 - if bottom up image)
- * vPitch - pitch of the v source buffer (in bytes; <0 - if bottom up image)
- * src_x, src_y, src_dx, src_dy - source rectangle (pixels)
- * Returns:
- * 0 - if success; -1 if failure.
- * Notes:
- * a) In all cases, pointers to the source and destination buffers must be
- * DWORD aligned, and both pitch parameters must be multiple of 4!!!
- * b) Converters that deal with YUV 4:2:2, or 4:2:0 formats may also require
- * rectangle parameters (x,y,dx,dy) to be multiple of 2. Failure to provide
- * aligned rectangles will result in partially converted image.
- * c) Currently only scale factors of 1:1 and 2:1 are supported; if the rates
- * dest_dx/src_dx & dest_dy/src_dy are neither 1, or 2, the converters
- * will fail.
- */
- typedef int (* LPHXCOLORCONVERTER2)
- (unsigned char *, int, int, int, int, int, int, int,
- unsigned char *, unsigned char *, unsigned char *,
- int, int, int, int, int, int, int, int, int);
- LPHXCOLORCONVERTER2 HXEXPORT ENTRYPOINT(GetColorConverter2) (INT32 cidIn, INT32 cidOut);
- /*
- * Try selected compatible color formats.
- * Use:
- * BOOL ScanCompatibleColorFormats (INT32 cidIn, INT32 cidOutMask, void *pParam,
- * BOOL (*pfnTryIt) (void *pParam, INT32 cidOut, LPHXCOLORCONVERTER pfnCC));
- * Input:
- * cidIn - input color format ID (!CID_UNKNOWN)
- * cidOutMask - masks output formats to try (use ~0 to scan all formats)
- * pParam - pointer to a parameter block to pass to fpTryIt ()
- * pfnTryIt - pointer to a function, which will be called for each
- * compatible output format;
- * Special Inputs:
- * Last INT32 argument is dummy unused one created just for avoiding ADS 1.2 ARM compiler's crash due to
- * not being able handle nested function ptr as the last argument. It should be taken out once we
- * are sure that is not the case such as compiler update from current 1.2 to 2.0.
- *
- * Returns:
- * TRUE, if fpTryIt() has exited with TRUE status;
- * FALSE, if non of the compatible formats has been accepted by fpTryIt().
- */
- BOOL HXEXPORT ENTRYPOINT(ScanCompatibleColorFormats) (INT32 cidIn, INT32 cidOutMask, void *pParam,
- BOOL (*pfnTryIt) (void *pParam, INT32 cidOut, LPHXCOLORCONVERTER pfnCC),INT32=0);
- /*
- * Try all compatible color formats.
- */
- BOOL HXEXPORT ENTRYPOINT(ScanAllCompatibleColorFormats) (INT32 cidIn, void *pParam,
- BOOL (*pfnTryIt) (void *pParam, INT32 cidOut, LPHXCOLORCONVERTER pfnCC),INT32=0);
- /***********************
- * Old HXCOLOR.DLL interface:
- ****************************************************/
- #define T_RGB888 7
- #define T_RGB555 8
- #define T_RGB565 9
- /*
- * Main color-conversion function.
- *
- * Input:
- * ysrc, usrc, vsrc - pointers to planar YUV420
- * dst - pointer to RGB output buffer
- * width, height - size of input image, in pixels
- * pitch - horizontal pitch of RGB output buffer, in pixels
- * negative pitch toggles inverted output
- * usually, pitch = width (or 2*width if expanding)
- * format - format of RGB output buffer
- * expand - flag to enable bilinear-interpolated output
- * output buffer must be twice as large
- *
- * Output:
- * dst filled with RGB output.
- */
- #ifdef _FAT_HXCOLOR
- void HXEXPORT ENTRYPOINT(ConvertYUVtoRGB) (UCHAR* ySrc,
- UCHAR* uSrc,
- UCHAR* vSrc,
- INT32 nPitchSrc,
- UCHAR* Dst,
- INT32 nWidth,
- INT32 nHeight,
- INT32 nPitchDst,
- INT16 nFormat,
- INT16 nExpand);
- #endif
- /*
- * Mac color-conversion function.
- *
- * Input:
- * ysrc, usrc, vsrc - pointers to planar YUV420
- * dst - pointer to RGB output buffer
- * width, height - size of input image, in pixels
- * pitch - horizontal pitch of RGB output buffer, in pixels
- * negative pitch toggles inverted output
- * usually, pitch = width (or 2*width if expanding)
- * format - format of RGB output buffer
- * expand - flag to enable bilinear-interpolated output
- * output buffer must be twice as large
- *
- * Output:
- * dst filled with RGB output.
- */
- #ifdef _FAT_HXCOLOR
- #ifdef _MACINTOSH
- #pragma export on
- #endif //_MACINTOSH
- void HXEXPORT ENTRYPOINT(ConvertYUVtoMacRGB32) (UCHAR* ySrc,
- UCHAR* uSrc,
- UCHAR* vSrc,
- INT32 nPitchSrc,
- UCHAR* Dst,
- INT32 nWidth,
- INT32 nHeight,
- INT32 nPitchDst,
- INT16 nFormat,
- INT16 nExpand);
- #ifdef _MACINTOSH
- #pragma export off
- #endif //_MACINTOSH
- #endif
- /*
- * Converts a RGB3 buffer into a YUV buffer in Y'CbCr 4:2:0 format.
- */
- #ifdef _FAT_HXCOLOR
- void HXEXPORT ENTRYPOINT(ConvertRGBtoYUV) (UCHAR* pInput,
- UCHAR* pOutput,
- INT32 nWidth,
- INT32 nHeight,
- BOOL bBGR);
- #endif
- /*
- * Converts a RGB3 buffer into an XRGB buffer.
- */
- #ifdef _FAT_HXCOLOR
- void HXEXPORT ENTRYPOINT(ConvertRGB24toXRGB) (UCHAR* pSrc, UCHAR* pDest,
- ULONG32 srcSize, ULONG32 destSize, INT32 nWidth, INT32 nHeight);
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif // _HXCOLOR_H_