一段将多张图片生成AVI视频的C++源码

本文主要是介绍一段将多张图片生成AVI视频的C++源码，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

将做工程过程较好的代码段备份一下，下面的代码段是关于一段将多张图片生成AVI视频的C++的代码，应该能对各朋友有一些帮助。

#pragma once
#include <vfw.h>
#pragma comment(lib,“Vfw32.lib”)

class ImageToAVI : public base::_class{
protected:
PAVIFILE _file;
PAVISTREAM _aviStream,
_aviCompressed;
int _frames,_delay;

void _initMember();
bool _initStream(LPBITMAPINFOHEADER pbih,HWND parent);

public:
ImageToAVI();
~ImageToAVI();

bool Create(LPCTSTR fn,int delay,int cx = 0,int cy = 0);
void Close();
bool AddFrame(base::gdi::Bitmap& bmp,HWND parent = 0);   
bool IsOK(){return _aviStream!=0;} 

};

#include “stdafx.h”
#include “AVIVideo.h”
inline WORD PaletteSize(WORD color){
if(color>8) return 0;
}
int CreateDibHeader(base::Memory& data,int cx,int cy,int bits){
base::gdi::Bitmap bmp;
bmp.CreateCompatibleBitmap(cx,cy);
if(bits==0) bits = 32;

DWORD hLen = sizeof(BITMAPINFOHEADER) + PaletteSize(bits);
data.SetLength(hLen+16);
data.Zero();

LPBITMAPINFO pbi = (LPBITMAPINFO)data.Handle();
HPALETTE hpal = (HPALETTE)::GetStockObject(DEFAULT_PALETTE);

base::gdi::DC dc;
dc.GetDC();
dc.RealizePalette();

pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
if(!count) goto exit;

pbi->bmiHeader.biCompression = 0;
pbi->bmiHeader.biBitCount = bits;
pbi->bmiHeader.biClrUsed = PaletteSize(bits);

exit:
dc.SelectPalette(hpal);
if(!count) return 0;
return hLen;
}
ImageToAVI::ImageToAVI(){
AVIFileInit();
_aopts[0] = &_opts;
_initMember();
}
void ImageToAVI::_initMember(){
_size.SetValue(0,0);
_frames = 0;
_file = NULL;
_aviStream = NULL;
_aviCompressed = NULL;
::ZeroMemory(&_opts,sizeof(_opts));
}
bool ImageToAVI::Create(LPCTSTR fn, int delay, int cx, int cy){
if(_file) return 0;

base::FileSystem fs;
fs.Initialize(fn);
fs.Delete();

HRESULT hr = AVIFileOpen(&_file,(LPWSTR)fn,OF_WRITE|OF_CREATE,NULL); 
if(hr!=AVIERR_OK) return 0;

_size.SetValue(cx,cy);
_delay = delay;

return 1;

}
bool ImageToAVI::_initStream(LPBITMAPINFOHEADER pbih,HWND parent){
AVISTREAMINFO strhdr;
::ZeroMemory(&strhdr,sizeof(strhdr));
strhdr.fccHandler = 0;
strhdr.dwScale = 1;
strhdr.dwRate = 1;
strhdr.dwSuggestedBufferSize = pbih->biSizeImage;
SetRect(&strhdr.rcFrame,0,0,pbih->biWidth,pbih->biHeight);

HRESULT hr = AVIFileCreateStream(_file,&_aviStream,&strhdr);
if(_aviStream==0){
    PrintD(L"ImageToAVI::_initStream: _aviStream = 0");
    return 0;
}

    PrintD(L"ImageToAVI::_initStream: AVISaveOptions failed");
    return 0;
}

hr = AVIMakeCompressedStream(&_aviCompressed,_aviStream,&_opts,NULL); 
if(_aviCompressed==0){
    base::Warning(L"Compressed");
    PrintD(L"ImageToAVI::_initStream: _aviCompressed = 0");
    return 0;
}

if(hr != AVIERR_OK){
    PrintD(L"ImageToAVI::_initStream: AVIStreamSetFormat failed");  
    return 0;
}

return 1;

}
void ImageToAVI::Close(){
if(_aviStream) AVIStreamClose(_aviStream);
if(_aviCompressed) AVIStreamClose(_aviCompressed);
if(_file) AVIFileClose(_file);
_initMember();
}
ImageToAVI::~ImageToAVI(){
Close();
AVIFileExit();
}

bool ImageToAVI::AddFrame(base::gdi::Bitmap& bmp,HWND hwnd){
if(!_file){
PrintD(L"ImageToAVI::AddFrame: object not init,call Create first");
return false;
}
if(bmp.IsNull()){
PrintD(L"ImageToAVI::AddFrame: bmp is null");
return 0;
}
if(_size.Value0) _size = bmp.Size();
if(bmp.Size()!=_size){
if(!bmp.Resize(_size.x,_size.y)) return 0;
}
base::Memory dib;
int dibLen = bmp.GetDib(dib,32);
if(dibLen0) return false;

LPBITMAPINFO pbi = (LPBITMAPINFO)dib.Handle();
LPBITMAPINFOHEADER pbih = &pbi->bmiHeader;

if(_aviCompressed==0){
    if(!_initStream(pbih,hwnd)) return 0;
}

    pbih->biSize + PaletteSize(32),
    NULL,
    NULL); 
if(hr!=AVIERR_OK){ 
    Close();
    return false; 
} 
_frames++; 
return true; 

}

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