70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
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/* SPDX-License-Identifier: MIT */
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/**
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@file timecodeburn.h
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@brief Declares the AJATimeCodeBurn class.
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@copyright (C) 2012-2021 AJA Video Systems, Inc. All rights reserved.
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**/
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#ifndef AJA_TIMECODEBURN_H
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#define AJA_TIMECODEBURN_H
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#include "public.h"
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//#include "ajabase/common/types.h"
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#include "ajabase/common/videotypes.h"
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/**
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* Class to support burning a simple timecode over raster.
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* @ingroup AJATimeCodeBurn
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*/
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class AJATimeCodeBurn
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{
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public:
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AJA_EXPORT AJATimeCodeBurn(void);
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AJA_EXPORT virtual ~AJATimeCodeBurn(void);
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/**
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* Render a small set of characters for timecode ahead of time...This needs to be called before
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* BurnTimeCode or BurnTimeCode will fail.
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*
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* @param[in] pixelFormat Specifies the pixel format of the rendering buffer.
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* @param[in] numPixels Specifies the raster bitmap width.
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* @param[in] numLines Specifies the raster bitmap height.
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*/
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AJA_EXPORT bool RenderTimeCodeFont (AJA_PixelFormat pixelFormat, uint32_t numPixels, uint32_t numLines);
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/**
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* Burns a timecode in with simple font 00:00:00;00.
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*
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*
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* @param[in] pBaseVideoAddress Base address of Raster
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* @param[in] inTimeCodeStr A string containing something like "00:00:00:00"
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* @param[in] inYPercent Percent down the screen. If 0, will make it 80.
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* @returns True if successful; otherwise false.
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*/
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AJA_EXPORT bool BurnTimeCode (void * pBaseVideoAddress, const std::string & inTimeCodeStr, const uint32_t inYPercent);
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/**
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* DEPRECATED: Use std::string version of this function.
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*/
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AJA_EXPORT bool BurnTimeCode (char * pBaseVideoAddress, const char * pTimeCodeString, const uint32_t percentY);
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protected:
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void CopyDigit (int digitOffset,char *pFrameBuff);
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void writeV210Pixel (char **pBytePtr, int x, int c, int y);
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void writeYCbCr10PackedPlanerPixel (char **pBytePtr, int x, int y);
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private:
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bool _bRendered; // set 'true' when Burn-In character map has been rendered
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char * _pCharRenderMap; // ptr to rendered Burn-In character set
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AJA_PixelFormat _charRenderPixelFormat; // frame buffer format of rendered characters
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int _charRenderHeight; // frame height for which rendered characters were rendered
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int _charRenderWidth; // frame width for which rendered characters were rendered
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int _charWidthBytes; // rendered character width in bytes
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int _charHeightLines; // rendered character height in frame lines
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int _charPositionX; // offset (in bytes) from left side of screen to first burn-in character
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int _charPositionY; // offset (in lines) from top of screen to top of burn-in characters
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int _rowBytes;
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};
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#endif
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