Work/vidcap/BMPCAP.CPP

#include <vidcap/bmpcap.hpp>
#include <vidcap/vidreg.hpp>
#include <common/bitmap.hpp>
#include <common/purepal.hpp>
#include <common/systime.hpp>
#include <jpeg-6b/bmpjpg.hpp>

BmpCap::BmpCap()
: mSequence(0), mSaveFrames(0), mUseSequence(false)
{
}

BmpCap::BmpCap(HWND hParentWnd,DWORD driverIndex)
: mSequence(0), mSaveFrames(false), mUseSequence(false)
{
  initialize(hParentWnd,driverIndex);
}

BmpCap::~BmpCap()
{
//  mVideoCodec.driverEnable(false);
}

void BmpCap::initialize(HWND hParentWnd,DWORD driverIndex)
{
  DWORD previewWidth;
  DWORD previewHeight;
	DriverCaps driverCaps;
  ICMOpen icmOpen;
	VidReg vidReg;

  mUseSequence=vidReg.getSequencing();
	mCaptureWidth=vidReg.getCaptureWidth();
	mCaptureHeight=vidReg.getCaptureHeight();
	mCaptureFile=vidReg.getCaptureFile();
	mQuality=vidReg.getQuality();
	previewWidth=vidReg.getPreviewWidth();
	previewHeight=vidReg.getPreviewHeight();
  create(hParentWnd,vidReg.getPreviewWidth(),vidReg.getPreviewHeight());
  connect(driverIndex);
	if(!isConnected())return;
	getDriverCaps(driverCaps);
	getVideoFormat(mBitmapInfo);
	mBitmapInfo.width(previewWidth);
	mBitmapInfo.height(previewHeight);
	setVideoFormat(mBitmapInfo);
	if(mVideoCodec.openDriver(mBitmapInfo.compression()))message("[BmpCap::initialize]Failed to open decompressor.");
	icmOpen.fccType(FOURCC("vidc"));
	icmOpen.fccHandler(mBitmapInfo.compression());
	icmOpen.flags(ICMOpen::DeCompress);
	icmOpen.version(0);
	if(!mVideoCodec.driverProc(icmOpen)){message("[BmpCap::initialize]ICMOpen failed");return;};
	if(!mVideoCodec.driverEnable()){message("[BmpCap::initialize]DriverEnable failed");return;}
	getVideoFormat(mBitmapInfo);
}

// virtuals

#if 0
void BmpCap::frameHandler(VIDEOHDR &videoHeader)
{
  if(!saveFrames())return;
  MovieData movieData(MovieData::DIBCompressed);
	MovieData dstMovieData;
	DiskInfo diskInfo;
	String srcPathFileName;
	String dstPathFileName;
	String dstPathFileTempName;
	String strTime;
	SystemTime systemTime;

  strTime.reserve(512);
  ::sprintf(strTime,"%04d%02d%02d%02d%02d%02d%02d",
	  systemTime.year(),systemTime.month(),systemTime.day(),
		systemTime.hour(),systemTime.minute(),systemTime.second(),
		systemTime.milliseconds());
  srcPathFileName=strTime+".bmp";
  dstPathFileTempName=strTime+"tmp.jpg";
	if(mUseSequence)dstPathFileName=mCaptureFile.betweenString(0,'.')+String().fromInt(mSequence++)+String(".jpg");
	else dstPathFileName=mCaptureFile;
	movieData.size(videoHeader.dwBufferLength);
	::memcpy((BYTE*)&movieData[0],videoHeader.lpData,videoHeader.dwBufferLength);
  if(!mVideoCodec.getFormat(mBitmapInfo,mDstBitmapInfo))return;
	mDstBitmapInfo.width(mCaptureWidth);
	mDstBitmapInfo.height(mCaptureHeight);
  if(!mVideoCodec.decompressFrame(mBitmapInfo,mDstBitmapInfo,movieData,dstMovieData))
	{
    if(!mVideoCodec.decompressFrame(mBitmapInfo,movieData,dstMovieData))return;
    if(!mVideoCodec.getFormat(mBitmapInfo,mDstBitmapInfo))return;
  }
	Bitmap frameBitmap(srcPathFileName,mDstBitmapInfo,dstMovieData);
	if(BitmapInfo::Bit8==mDstBitmapInfo.bitCount())
	{
	  PurePalette purePalette(mCaptureStatus.currentPalette());
	  frameBitmap.setPalette(purePalette.getPalette(),FALSE);
  }
	frameBitmap.saveBitmap();
  ImageConverter::convert(srcPathFileName,dstPathFileTempName,mQuality);
	diskInfo.rename(dstPathFileTempName,dstPathFileName);
	diskInfo.unlink(srcPathFileName);
}
#endif

void BmpCap::frameHandler(VIDEOHDR &videoHeader)
{
  if(!saveFrames())return;
  MovieData movieData(MovieData::DIBCompressed);


	MovieData dstMovieData;
	DiskInfo diskInfo;
	String srcPathFileName;
	String dstPathFileName;
	String dstPathFileTempName;
	String strTime;
	SystemTime systemTime;

	DWORD elapsedTime;
	String strMessage;
  strMessage.reserve(512);

  elapsedTime=::GetTickCount();

  strTime.reserve(512);
  ::sprintf(strTime,"%04d%02d%02d%02d%02d%02d%02d",
	  systemTime.year(),systemTime.month(),systemTime.day(),
		systemTime.hour(),systemTime.minute(),systemTime.second(),
		systemTime.milliseconds());
  srcPathFileName=strTime+".bmp";
  dstPathFileTempName=strTime+"tmp.jpg";
	if(mUseSequence)dstPathFileName=mCaptureFile.betweenString(0,'.')+String().fromInt(mSequence++)+String(".jpg");
	else dstPathFileName=mCaptureFile;
	movieData.size(videoHeader.dwBufferLength);
	::memcpy((BYTE*)&movieData[0],videoHeader.lpData,videoHeader.dwBufferLength);
//  if(!mVideoCodec.getFormat(mBitmapInfo,mDstBitmapInfo))return;

  if(!(ICERR_OK==mVideoCodec.getFormat(mBitmapInfo,mDstBitmapInfo)))return;

	mDstBitmapInfo.width(mCaptureWidth);
	mDstBitmapInfo.height(mCaptureHeight);

  elapsedTime=::GetTickCount()-elapsedTime;
	::sprintf(strMessage,"[BmpCap::frameHandler] Prologue took (ms) "+String().fromInt(elapsedTime));
	message(strMessage);
	elapsedTime=::GetTickCount();

  if(ICERR_OK!=mVideoCodec.decompressFrame(mBitmapInfo,mDstBitmapInfo,movieData,dstMovieData))
	{
    if(ICERR_OK!=mVideoCodec.decompressFrame(mBitmapInfo,movieData,dstMovieData))return;
    if(ICERR_OK!=mVideoCodec.getFormat(mBitmapInfo,mDstBitmapInfo))return;
  }

	elapsedTime=::GetTickCount()-elapsedTime;
	::sprintf(strMessage,"[BmpCap::frameHandler] Decompress frame took (ms) "+String().fromInt(elapsedTime));
	message(strMessage);
	elapsedTime=::GetTickCount();

	Bitmap frameBitmap(srcPathFileName,mDstBitmapInfo,dstMovieData);
	if(BitmapInfo::Bit8==mDstBitmapInfo.bitCount())
	{
	  PurePalette purePalette(mCaptureStatus.currentPalette());
	  frameBitmap.setPalette(purePalette.getPalette(),FALSE);
  }
	frameBitmap.saveBitmap();

  elapsedTime=::GetTickCount()-elapsedTime;
	::sprintf(strMessage,"[BmpCap::frameHandler] Save bitmap took (ms) "+String().fromInt(elapsedTime));
	message(strMessage);
	elapsedTime=::GetTickCount();

  ImageConverter::convert(srcPathFileName,dstPathFileTempName,mQuality);

  elapsedTime=::GetTickCount()-elapsedTime;
	::sprintf(strMessage,"[BmpCap::frameHandler] Convert to jpeg took (ms) "+String().fromInt(elapsedTime));
	message(strMessage);

	diskInfo.rename(dstPathFileTempName,dstPathFileName);
	diskInfo.unlink(srcPathFileName);
}

void BmpCap::message(const String &message)
{
  return;
}