46 lines
1.6 KiB
C
Executable File
46 lines
1.6 KiB
C
Executable File
/**
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Size convert module.
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Input/output size calculation accroding to desired width/height ratio.
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@file SizeConvert.h
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Copyright Novatek Microelectronics Corp. 2011. All rights reserved.
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*/
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#ifndef _SIZECONVERT_H
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#define _SIZECONVERT_H
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typedef enum {
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SIZECONVERT_ALIGN_FLOOR_0 = 0xFFFFFFFF, ///< no alignment
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SIZECONVERT_ALIGN_FLOOR_2 = 0xFFFFFFFE, ///< align down to 2
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SIZECONVERT_ALIGN_FLOOR_4 = 0xFFFFFFFC, ///< align down to 4
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SIZECONVERT_ALIGN_FLOOR_8 = 0xFFFFFFF8, ///< align down to 8
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SIZECONVERT_ALIGN_FLOOR_16 = 0xFFFFFFF0, ///< align down to 16
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SIZECONVERT_ALIGN_FLOOR_32 = 0xFFFFFFE0, ///< align down to 32
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SIZECONVERT_ALIGN_FLOOR_64 = 0xFFFFFFC0, ///< align down to 64
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ENUM_DUMMY4WORD(SIZECONVERT_ALIGH_TYPE)
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} SIZECONVERT_ALIGH_TYPE;
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/**
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Structure definition for size convert usage.
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*/
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typedef struct {
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UINT32 uiSrcWidth; ///< [in] src width (ex. 1280x720)
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UINT32 uiSrcHeight; ///< [in] src height
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UINT32 uiDstWidth; ///< [in] dst width (ex. 640x240)
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UINT32 uiDstHeight; ///< [in] dst height
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UINT32 uiDstWRatio; ///< [in] dst wratio (ex. 4:3)
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UINT32 uiDstHRatio; ///< [in] dst hratio
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SIZECONVERT_ALIGH_TYPE alignType; ///< [in] alignment type, SIZECONVERT_ALIGN_FLOOR_32 or others
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UINT32 uiOutWidth; ///< [out] out width (ex. 640)
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UINT32 uiOutHeight; ///< [out] out height (ex. 180)
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UINT32 uiOutX; ///< [out] x offset 0
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UINT32 uiOutY; ///< [out] y offset (240-180)/2 = 30
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} SIZECONVERT_INFO;
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extern void DisplaySizeConvert(SIZECONVERT_INFO *pScinfo);
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#endif
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