56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
#pragma once
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#include <Vfw.h>
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#pragma comment(lib,"Vfw32.lib")
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#define ERR_INVALID_PARAM 1
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#define ERR_NO_ENCODER 2
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#define ERR_INTERNAL 3
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#define ERR_NOT_SUPPORT 4
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enum FCCHandler {
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ENCODER_BMP = BI_RGB,
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ENCODER_MJPEG = mmioFOURCC('M', 'J', 'P', 'G'),
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// 安装x264vfw编解码器: https://sourceforge.net/projects/x264vfw/
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ENCODER_H264 = mmioFOURCC('X', '2', '6', '4'),
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};
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/************************************************************************
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* @class CBmpToAvi
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* @brief 位图转AVI帧
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************************************************************************/
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class CBmpToAvi
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{
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public:
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CBmpToAvi();
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virtual ~CBmpToAvi();
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int Open(LPCTSTR szFile, LPBITMAPINFO lpbmi, int rate = 4, FCCHandler h = ENCODER_BMP);
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bool Write(unsigned char* lpBuffer);
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void Close();
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static std::string GetErrMsg(int result) {
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switch (result) {
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case ERR_INVALID_PARAM:
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return ("无效参数");
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case ERR_NOT_SUPPORT:
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return ("不支持的位深度，需要24位或32位");
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case ERR_NO_ENCODER:
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return ("未安装x264编解码器 \n下载地址：https://sourceforge.net/projects/x264vfw");
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case ERR_INTERNAL:
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return("创建AVI文件失败");
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default:
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return "succeed";
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}
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}
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private:
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FCCHandler m_fccHandler;
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PAVIFILE m_pfile;
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PAVISTREAM m_pavi;
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int m_nFrames;
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static AVISTREAMINFO m_si; // 这个参数需要是静态的
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int m_bitCount = 24;
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int m_width = 1920;
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int m_height = 1080;
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int m_quality = 90;
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HIC m_hic = NULL;
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};
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