int main()
{
clock_t start, end;
start = clock();
JpegDecoder jpegDector;
jpegDector.setSource("21.jpg");
jpegDector.readHeader();
int height = jpegDector.height();
int width = jpegDector.width();
cout<<"高为:"<<height<<" 宽为："<<width<<endl;
cout<<"通道数："<<CV_MAT_CN(jpegDector.type())<<endl;
cout<<"sign："<<jpegDector.signature()<<endl;
CvMat *mat = cvCreateMat(jpegDector.height(), jpegDector.width(),(jpegDector.type()));
jpegDector.readData(*mat);
end = clock();
printf("Run time:%f ",(double)(end - start) );
#if 0
unsigned char * data;
for(int i=0;i<10;i++)
{
data = (uchar*)(mat->data.ptr + i*mat->step);
for(int j=0;j<10;j++)
{
printf("%d ",data[j*3]);
printf("%d ",data[j*3+1]);
printf("%d ",data[j*3+2]);
}
printf("\n");
}
#endif
printf("------cvMat-------\n\n");
cvReleaseMat(&mat);
//CvMat * imgSrc = cvLoadImageM("1.jpg");
#if 0
IplImage *imgSrc = cvLoadImage("21.jpg");
IplImage *imgRes = cvCreateImage(cvGetSize(imgSrc),8,3);
cout<<imgSrc->nChannels<<" "<<imgSrc->depth<<endl;
//IplImage *imgRes = cvCreateImageHeader(cvGetSize(imgSrc),8,3);
//cvNamedWindow("test source", CV_WINDOW_AUTOSIZE);
cvShowImage("source", imgSrc);
end = clock();
//cvNamedWindow("test result", CV_WINDOW_AUTOSIZE);
cvShowImage("result", imgRes);
#endif
//printf("Run time:%f ",(double)(end - start) );
//cvWaitKey(0);
system("pause");
}
void ProcessThread::own_thread()
{
enum class Format { UNKNOWN, RAW8, RAW16, MJPEG, YUYV, BGR8 };
Format format = Format::UNKNOWN;
int cv_format = CV_MAKETYPE( CV_8U, 1 );
sepia::Stream::image_header_t* hdr = m_input->getHeader( m_id );
switch( hdr->fourcc )
{
case 0x00000000:
if( hdr->bpp == 8 )
{
format = Format::RAW8;
cv_format = CV_MAKETYPE( CV_8U, 1 );
}
else if( hdr->bpp == 16 )
{
format = Format::RAW16;
cv_format = CV_MAKETYPE( CV_16U, 1 );
}
else if( hdr->bpp == 24 )
{
format = Format::BGR8;
cv_format = CV_MAKETYPE( CV_8U, 3 );
}
break;
case FOURCC( 'M', 'J', 'P', 'G'):
format = Format::MJPEG;
cv_format = CV_MAKETYPE( CV_8U, 3 ); // format after conversion
break;
default:
break;
}
cv::Mat input_frame( m_input->getHeader( m_id )->height, m_input->getHeader( m_id )->width, cv_format, m_input->getAddress( m_id ) );
cv::Mat converted_frame( m_output->getHeader( m_id )->height, m_output->getHeader( m_id )->width, CV_8UC3 );
if( m_rectifier == NULL )
{
converted_frame.data = reinterpret_cast< unsigned char* >( m_output->getAddress( m_id ) );
}
cv::Mat rectified_frame( m_output->getHeader( m_id )->height, m_output->getHeader( m_id )->width, CV_8UC3, m_output->getAddress( m_id ) );
JpegDecoder decoder;
while( !m_terminate )
{
if( format == Format::RAW8 || format == Format::RAW16 )
{
cv::demosaicing( input_frame, converted_frame, cv::COLOR_BayerBG2BGR_EA );
}
else if( format == Format::MJPEG )
{
// perform JPEG decode here
decoder.readHeader( reinterpret_cast< unsigned char* >( input_frame.data ), m_input->getHeader( m_id )->size );
decoder.readData( reinterpret_cast< unsigned char* >( converted_frame.data ), m_input->getHeader( m_id )->width * 3, true );
}
else {
}
if( m_rectifier != NULL )
{
if( m_id == 0 )
{
m_rectifier->remapLeft( &converted_frame, &rectified_frame );
}
else if( m_id == 1 )
{
m_rectifier->remapRight( &converted_frame, &rectified_frame );
}
}
m_barrier->wait();
if( m_id == 0 )
{
m_output->update();
m_input->update();
}
m_barrier->wait();
input_frame.data = reinterpret_cast< unsigned char* >( m_input->getAddress( m_id ) );
if( m_rectifier != NULL )
{
rectified_frame.data = reinterpret_cast< unsigned char* >( m_output->getAddress( m_id ) );
}
else
{
converted_frame.data = reinterpret_cast< unsigned char* >( m_output->getAddress( m_id ) );
}
}
}
