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drug_sensitivity_reaction/cammer.cpp

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厂家提供原始代码
2025-07-17 08:39:15 +08:00
#include <Python.h>
#include "cammer.h"
#include "ui_cammer.h"
#include <QImageWriter>
//#include <opencv2/opencv.hpp>
#include<QDir>
#define DEFAULT_SHOW_RATE (30) // 默认显示帧率 | defult display frequency
#define DEFAULT_ERROR_STRING ("N/A")
#define MAX_FRAME_STAT_NUM (50)
#define MIN_LEFT_LIST_NUM (2)
#define MAX_STATISTIC_INTERVAL (5000000000) // List的更新时与最新一帧的时间最大间隔 | The maximum time interval between the update of list and the latest frame
extern bool b=false;
extern bool a=false;
extern QString savelujing;
extern QString savelujing2;
static void FrameCallback(IMV_Frame* pFrame, void* pUser)
{
cammer* pcammer = (cammer*)pUser;
if (!pcammer)
{
qDebug()<<"pcammer为空";
return;
}
if (b) // 假设 b 是一个全局变量，用于控制是否保存图像
{
if (!pcammer->SaveImageToFile(pFrame, typeSavePng))
{
qDebug()<<"正在调用保存函数,保存失败";
}
b = false; // 重置标志
}
CFrameInfo frameInfo;
frameInfo.m_nWidth = (int)pFrame->frameInfo.width;
frameInfo.m_nHeight = (int)pFrame->frameInfo.height;
frameInfo.m_nBufferSize = (int)pFrame->frameInfo.size;
frameInfo.m_nPaddingX = (int)pFrame->frameInfo.paddingX;
frameInfo.m_nPaddingY = (int)pFrame->frameInfo.paddingY;
frameInfo.m_ePixelType = pFrame->frameInfo.pixelFormat;
frameInfo.m_pImageBuf = (unsigned char *)malloc(sizeof(unsigned char) * frameInfo.m_nBufferSize);
frameInfo.m_nTimeStamp = pFrame->frameInfo.timeStamp;
// 内存申请失败，直接返回
// memory application failed, return directly
if (frameInfo.m_pImageBuf != NULL)
{
memcpy(frameInfo.m_pImageBuf, pFrame->pData, frameInfo.m_nBufferSize);
if (pcammer->m_qDisplayFrameQueue.size() > 16)
{
CFrameInfo frameOld;
if (pcammer->m_qDisplayFrameQueue.get(frameOld))
{
free(frameOld.m_pImageBuf);
frameOld.m_pImageBuf = NULL;
}
}
pcammer->m_qDisplayFrameQueue.push_back(frameInfo);
}
pcammer->recvNewFrame(pFrame->frameInfo.size);
}
// 显示线程
// display thread
static unsigned int __stdcall displayThread(void* pUser)
{
cammer* pcammer = (cammer*)pUser;
if (!pcammer)
{
printf("pcammer is NULL!\n");
return -1;
}
pcammer->display();
return 0;
}
cammer::cammer(QWidget *parent) :
QWidget(parent)
,ui(new Ui::cammer)
, m_currentCameraKey("")
, handle(NULL)
, m_nDisplayInterval(0)
, m_nFirstFrameTime(0)
, m_nLastFrameTime(0)
, m_bNeedUpdate(true)
, m_nTotalFrameCount(0)
, m_isExitDisplayThread(false)
, m_threadHandle(NULL)
{
ui->setupUi(this);
// bool b=false;
qRegisterMetaType<uint64_t>("uint64_t");
connect(this, SIGNAL(signalShowImage(unsigned char*, int, int, uint64_t)), this, SLOT(ShowImage(unsigned char*, int, int, uint64_t)));
// 默认显示30帧
// defult display 30 frames
setDisplayFPS(DEFAULT_SHOW_RATE);
m_elapsedTimer.start();
// 启动显示线程
// start display thread
m_threadHandle = (HANDLE)_beginthreadex(NULL,
0,
displayThread,
this,
CREATE_SUSPENDED,
NULL);
if (!m_threadHandle)
{
printf("Failed to create display thread!\n");
}
else
{
ResumeThread(m_threadHandle);
m_isExitDisplayThread = false;
}
ui->label_Pixmap->setHidden(false);
ui->label_Pixmap_2->setHidden(true);
}
cammer::~cammer()
{
// 关闭显示线程
// close display thread
m_isExitDisplayThread = true;
WaitForSingleObject(m_threadHandle, INFINITE);
CloseHandle(m_threadHandle);
delete ui;
}
bool cammer::diaoyong()
{
// start display thread
return true;
}
// 设置曝光
// set exposeTime
bool cammer::SetExposeTime(double dExposureTime)
{
int ret = IMV_OK;
ret = IMV_SetDoubleFeatureValue(handle, "ExposureTime", dExposureTime);
if (IMV_OK != ret)
{
printf("set ExposureTime value = %0.2f fail, ErrorCode[%d]\n", dExposureTime, ret);
return false;
}
return true;
}
bool cammer::SetExpose()
{
qDebug()<<"设置曝光shibai";
int ret = IMV_OK;
// uint64_t enumValue=1;
// ret = IMV_SetEnumFeatureValue(handle, "ExposureAuto", enumValue);
ret = IMV_SetEnumFeatureSymbol(handle, "ExposureAuto", "Off");
qDebug()<<ret;
if (IMV_OK != ret)
{
printf("Set feature value failed! ErrorCode[%d]\n", ret);
return ret;
qDebug()<<"设置曝光shibai";
}
else{
return true ;
qDebug()<<"设置曝光成功";
}
// int ret = IMV_OK;
// IMV_EnumEntryList pEnumEntryList;
// ret = IMV_GetEnumFeatureValue(handle, "ExposureAuto", &pEnumEntryList);
// if (IMV_OK != ret)
// {
// printf("Get feature value failed! ErrorCode[%d]\n", ret);
// return ret;
// }
}
// 设置增益
// set gain
bool cammer::SetAdjustPlus(double dGainRaw)
{
int ret = IMV_OK;
ret = IMV_SetDoubleFeatureValue(handle, "GainRaw", dGainRaw);
if (IMV_OK != ret)
{
printf("set GainRaw value = %0.2f fail, ErrorCode[%d]\n", dGainRaw, ret);
return false;
}
return true;
}
// 打开相机
// open camera
bool cammer::CameraOpen(void)
{
IMV_DeviceList deviceList;
memset(&deviceList, 0, sizeof(IMV_DeviceList));
unsigned int interfaceType = interfaceTypeUsb3;
int result = IMV_EnumDevices(&deviceList, interfaceType);
qDebug() <<deviceList.nDevNum;
if (result == IMV_OK) {
qDebug() << "USB Device Name: " << deviceList.pDevInfo->cameraName;
// 设备句柄
IMV_ECreateHandleMode mode = modeByCameraKey; // 使用设备自定义名模式
const char* customDeviceName = deviceList.pDevInfo->cameraKey; // 替换为你的设备自定义名
void* pIdentifier = reinterpret_cast<void*>(const_cast<char*>(customDeviceName)); // 将自定义名强转为 void*
// 调用 IMV_CreateHandle
int result = IMV_CreateHandle(&handle, mode, pIdentifier);
// 检查返回值
if (result == IMV_OK) {
// 打开相机
// Open camera
int ret = IMV_OK;
ret = IMV_Open(handle);
if (IMV_OK != ret)
{
qDebug()<<ret;
}
else{ qDebug()<<"成功打开相机";
ui->label_Pixmap->setHidden(false);
ui->label_Pixmap_2->setHidden(true);
if(a==false){
int ret = IMV_SetIntFeatureValue(handle, "OffsetY",0);
if (IMV_OK != ret)
{
qDebug()<<"设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"0设置成功";
int ret = IMV_SetIntFeatureValue(handle, "Width",3000);
if (IMV_OK != ret)
{
qDebug()<<"3000宽度设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"3000宽度设置成功";
int ret = IMV_SetIntFeatureValue(handle, "Height",3000);
if (IMV_OK != ret)
{
qDebug()<<"长度设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"长度设置成功";
int ret = IMV_SetIntFeatureValue(handle, "OffsetX",548);
if (IMV_OK != ret)
{
qDebug()<<"548设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"548设置成功";
return true;}
}
}
}
}
if(a==true){
int ret = IMV_SetIntFeatureValue(handle, "OffsetX",0);
if (IMV_OK != ret)
{
qDebug()<<"0设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"0设置成功";
int ret = IMV_SetIntFeatureValue(handle, "Width",4096);
if (IMV_OK != ret)
{
qDebug()<<"4096宽度设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"4096宽度设置成功";
int ret = IMV_SetIntFeatureValue(handle, "Height",2712);
if (IMV_OK != ret)
{
qDebug()<<"长度设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"2712设置成功";
int ret = IMV_SetIntFeatureValue(handle, "OffsetY",144);
if (IMV_OK != ret)
{
qDebug()<<"设置失败";
qDebug()<< ret;
}
else{
qDebug()<<"144设置成功";}
}
}
}
}
}
} else {
qDebug() << "设备句柄创建失败，错误码：" << result;
return false;
}
}
else {
qDebug() << "Failed to enumerate USB devices. Error code: " << result;
return false;
}
}
// 关闭相机
// close camera
bool cammer::CameraClose(void)
{
int ret = IMV_OK;
if (!handle)
{
printf("close camera fail. No camera.\n");
return false;
}
if (false == IMV_IsOpen(handle))
{
printf("camera is already close.\n");
return false;
}
ret = IMV_Close(handle);
if (IMV_OK != ret)
{
printf("close camera failed! ErrorCode[%d]\n", ret);
return false;
}
ret = IMV_DestroyHandle(handle);
if (IMV_OK != ret)
{
printf("destroy devHandle failed! ErrorCode[%d]\n", ret);
return false;
}
handle = NULL;
ui->label_Pixmap->setHidden(true);
ui->label_Pixmap_2->setHidden(false);
return true;
}
// 开始采集
// start grabbing
bool cammer::CameraStart()
{
int ret = IMV_OK;
if (IMV_IsGrabbing(handle))
{
qDebug()<<"camera is already grebbing.\n";
return false;
}
ret = IMV_AttachGrabbing(handle, FrameCallback, this);
if (IMV_OK != ret)
{
qDebug()<<"Attach grabbing failed!";
qDebug()<<ret;
printf("Attach grabbing failed! ErrorCode[%d]\n", ret);
return false;
}
ret = IMV_StartGrabbing(handle);
if (IMV_OK != ret)
{ qDebug()<<"start grabbing failed!";
qDebug()<<ret;
printf("start grabbing failed! ErrorCode[%d]\n", ret);
return false;
}
return true;
}
// 停止采集
// stop grabbing
bool cammer::CameraStop()
{
int ret = IMV_OK;
if (!IMV_IsGrabbing(handle))
{
printf("camera is already stop grebbing.\n");
return false;
}
ret = IMV_StopGrabbing(handle);
if (IMV_OK != ret)
{
printf("Stop grabbing failed! ErrorCode[%d]\n", ret);
return false;
}
// 清空显示队列
// clear display queue
CFrameInfo frameOld;
while (m_qDisplayFrameQueue.get(frameOld))
{
free(frameOld.m_pImageBuf);
frameOld.m_pImageBuf = NULL;
}
m_qDisplayFrameQueue.clear();
return true;
}
// 切换采集方式、触发方式 （连续采集、外部触发、软件触发）
// Switch acquisition mode and triggering mode (continuous acquisition, external triggering and software triggering)
bool cammer::CameraChangeTrig(ETrigType trigType)
{
int ret = IMV_OK;
if (trigContinous == trigType)
{
// 设置触发模式
// set trigger mode
ret = IMV_SetEnumFeatureSymbol(handle, "TriggerMode", "Off");
if (IMV_OK != ret)
{
printf("set TriggerMode value = Off fail, ErrorCode[%d]\n", ret);
return false;
}
}
else if (trigSoftware == trigType)
{
// 设置触发器
// set trigger
ret = IMV_SetEnumFeatureSymbol(handle, "TriggerSelector", "FrameStart");
if (IMV_OK != ret)
{
printf("set TriggerSelector value = FrameStart fail, ErrorCode[%d]\n", ret);
return false;
}
// 设置触发模式
// set trigger mode
ret = IMV_SetEnumFeatureSymbol(handle, "TriggerMode", "On");
if (IMV_OK != ret)
{
printf("set TriggerMode value = On fail, ErrorCode[%d]\n", ret);
return false;
}
// 设置触发源为软触发
// set triggerSource as software trigger
ret = IMV_SetEnumFeatureSymbol(handle, "TriggerSource", "Software");
if (IMV_OK != ret)
{
printf("set TriggerSource value = Software fail, ErrorCode[%d]\n", ret);
return false;
}
}
else if (trigLine == trigType)
{
// 设置触发器
// set trigger
ret = IMV_SetEnumFeatureSymbol(handle, "TriggerSelector", "FrameStart");
if (IMV_OK != ret)
{
printf("set TriggerSelector value = FrameStart fail, ErrorCode[%d]\n", ret);
return false;
}
// 设置触发模式
// set trigger mode
ret = IMV_SetEnumFeatureSymbol(handle, "TriggerMode", "On");
if (IMV_OK != ret)
{
printf("set TriggerMode value = On fail, ErrorCode[%d]\n", ret);
return false;
}
// 设置触发源为Line1触发
// set trigggerSource as Line1 trigger
ret = IMV_SetEnumFeatureSymbol(handle, "TriggerSource", "Line1");
if (IMV_OK != ret)
{
printf("set TriggerSource value = Line1 fail, ErrorCode[%d]\n", ret);
return false;
}
}
return true;
}
// 执行一次软触发
// execute one software trigger
bool cammer::ExecuteSoftTrig(void)
{
int ret = IMV_OK;
ret = IMV_ExecuteCommandFeature(handle, "TriggerSoftware");
if (IMV_OK != ret)
{
printf("ExecuteSoftTrig fail, ErrorCode[%d]\n", ret);
return false;
}
printf("ExecuteSoftTrig success.\n");
return true;
}
// 设置当前相机
// set current camera
void cammer::SetCamera(const QString& strKey)
{
m_currentCameraKey = strKey;
}
// 显示
// diaplay
bool cammer::ShowImage(unsigned char* pRgbFrameBuf, int nWidth, int nHeight, uint64_t nPixelFormat)
{
QImage image;
if (NULL == pRgbFrameBuf ||
nWidth == 0 ||
nHeight == 0)
{
qDebug()<<"图像无效";
printf("%s image is invalid.\n", __FUNCTION__);
return false;
}
if (gvspPixelMono8 == nPixelFormat)
{
image = QImage(pRgbFrameBuf, nWidth, nHeight, QImage::Format_Grayscale8);
qDebug()<<"成功获取Mono8 ";
}
else
{
image = QImage(pRgbFrameBuf,nWidth, nHeight, QImage::Format_RGB888);
}
// 将QImage的大小收缩或拉伸，与label的大小保持一致。这样label中能显示完整的图片
// Shrink or stretch the size of Qimage to match the size of the label. In this way, the complete image can be displayed in the label
QImage imageScale = image.scaled(QSize(ui->label_Pixmap->width(), ui->label_Pixmap->height()));
QPixmap pixmap = QPixmap::fromImage(imageScale);
QPixmap pixmap2 = QPixmap::fromImage(image);
ui->label_Pixmap->setPixmap(pixmap);
// if(b==true)
// {
// QString filePath;
// filePath = "C:/use/1.png";
// qDebug()<<"正在保存";
// // QImageWriter writer(filePath);
// // writer.setFormat("PNG"); // 指定图像格式
// // writer.write(image);
// b=false;
// // emit xinhao(filePath);
// pixmap2.save(filePath);
// qDebug()<<"保存成功";
// }
free(pRgbFrameBuf);
return true;
}
void cammer::zhuapai()
{
b=true;
qDebug()<<"zhua";
}
void cammer::tingzhuapai()
{
qDebug()<<"ting";
b=false;
}
void cammer::setxijun()
{
a=false;
}
void cammer::setmic()
{
a=true;
}
// 显示线程
// display thread
void cammer::display()
{
while (!m_isExitDisplayThread)
{
CFrameInfo frameInfo;
if (false == m_qDisplayFrameQueue.get(frameInfo))
{
Sleep(1);
continue;
}
// 判断是否要显示。超过显示上限（30帧），就不做转码、显示处理
// Judge whether to display. If the upper display limit (30 frames) is exceeded, transcoding and display processing will not be performed
if (!isTimeToDisplay())
{
// 释放内存
// release memory
free(frameInfo.m_pImageBuf);
continue;
}
// mono8格式可不做转码，直接显示，其他格式需要经过转码才能显示
// mono8 format can be displayed directly without transcoding. Other formats can be displayed only after transcoding
if (gvspPixelMono8 == frameInfo.m_ePixelType)
{
// 显示线程中发送显示信号，在主线程中显示图像
// Send display signal in display thread and display image in main thread
// emit signalShowImage(frameInfo.m_pImageBuf, (int)frameInfo.m_nWidth, (int)frameInfo.m_nHeight, (uint64_t)frameInfo.m_ePixelType);
frameInfo.m_nWidth = 2400;
frameInfo.m_nHeight =2400;
emit signalShowImage(frameInfo.m_pImageBuf, (int)frameInfo.m_nWidth, (int)frameInfo.m_nHeight, (uint64_t)frameInfo.m_ePixelType);
}
else
{
// 转码
unsigned char* pRGBbuffer = NULL;
int nRgbBufferSize = 0;
nRgbBufferSize = frameInfo.m_nWidth * frameInfo.m_nHeight * 3;
pRGBbuffer = (unsigned char*)malloc(nRgbBufferSize);
if (pRGBbuffer == NULL)
{
// 释放内存
// release memory
free(frameInfo.m_pImageBuf);
printf("RGBbuffer malloc failed.\n");
continue;
}
IMV_PixelConvertParam stPixelConvertParam;
stPixelConvertParam.nWidth = frameInfo.m_nWidth;
stPixelConvertParam.nHeight = frameInfo.m_nHeight;
stPixelConvertParam.ePixelFormat = frameInfo.m_ePixelType;
stPixelConvertParam.pSrcData = frameInfo.m_pImageBuf;
stPixelConvertParam.nSrcDataLen = frameInfo.m_nBufferSize;
stPixelConvertParam.nPaddingX = frameInfo.m_nPaddingX;
stPixelConvertParam.nPaddingY = frameInfo.m_nPaddingY;
stPixelConvertParam.eBayerDemosaic = demosaicNearestNeighbor;
stPixelConvertParam.eDstPixelFormat = gvspPixelRGB8;
stPixelConvertParam.pDstBuf = pRGBbuffer;
stPixelConvertParam.nDstBufSize = nRgbBufferSize;
int ret = IMV_PixelConvert(handle, &stPixelConvertParam);
if (IMV_OK != ret)
{
// 释放内存
// release memory
printf("image convert to RGB failed! ErrorCode[%d]\n", ret);
free(frameInfo.m_pImageBuf);
free(pRGBbuffer);
continue;
}
// 释放内存
// release memory
free(frameInfo.m_pImageBuf);
// 显示线程中发送显示信号，在主线程中显示图像
// Send display signal in display thread and display image in main thread
emit signalShowImage(pRGBbuffer, (int)stPixelConvertParam.nWidth , (int)stPixelConvertParam.nHeight, (uint64_t)stPixelConvertParam.eDstPixelFormat);
}
}
}
bool cammer::diaoyong2()
{
CFrameInfo frameInfo;
if (false == m_qDisplayFrameQueue.get(frameInfo))
{
Sleep(1);
qDebug()<<"失败获取一帧图像";
}
// 判断是否要显示。超过显示上限（30帧），就不做转码、显示处理
// Judge whether to display. If the upper display limit (30 frames) is exceeded, transcoding and display processing will not be performed
if (!isTimeToDisplay())
{
// 释放内存
// release memory
free(frameInfo.m_pImageBuf);
qDebug()<<"失败获取一帧图像2";
}
if (gvspPixelMono8 == frameInfo.m_ePixelType)
{
// 显示线程中发送显示信号，在主线程中显示图像
// Send display signal in display thread and display image in main thread
// emit signalShowImage(frameInfo.m_pImageBuf, (int)frameInfo.m_nWidth, (int)frameInfo.m_nHeight, (uint64_t)frameInfo.m_ePixelType);
qDebug()<<"成功获取一帧图像1";
CameraStop();
CameraClose();
}
else
{
// 转码
unsigned char* pRGBbuffer = NULL;
int nRgbBufferSize = 0;
nRgbBufferSize = frameInfo.m_nWidth * frameInfo.m_nHeight * 3;
pRGBbuffer = (unsigned char*)malloc(nRgbBufferSize);
if (pRGBbuffer == NULL)
{
// 释放内存
// release memory
free(frameInfo.m_pImageBuf);
printf("RGBbuffer malloc failed.\n");
}
qDebug()<<"成功获取一帧图像2";
IMV_PixelConvertParam stPixelConvertParam;
stPixelConvertParam.nWidth = frameInfo.m_nWidth;
stPixelConvertParam.nHeight = frameInfo.m_nHeight;
stPixelConvertParam.ePixelFormat = frameInfo.m_ePixelType;
stPixelConvertParam.pSrcData = frameInfo.m_pImageBuf;
stPixelConvertParam.nSrcDataLen = frameInfo.m_nBufferSize;
stPixelConvertParam.nPaddingX = frameInfo.m_nPaddingX;
stPixelConvertParam.nPaddingY = frameInfo.m_nPaddingY;
stPixelConvertParam.eBayerDemosaic = demosaicNearestNeighbor;
stPixelConvertParam.eDstPixelFormat = gvspPixelRGB8;
stPixelConvertParam.pDstBuf = pRGBbuffer;
stPixelConvertParam.nDstBufSize = nRgbBufferSize;
int ret = IMV_PixelConvert(handle, &stPixelConvertParam);
if (IMV_OK != ret)
{
// 释放内存
// release memory
printf("image convert to RGB failed! ErrorCode[%d]\n", ret);
free(frameInfo.m_pImageBuf);
free(pRGBbuffer);
}
// 释放内存
// release memory
free(frameInfo.m_pImageBuf);
// 显示线程中发送显示信号，在主线程中显示图像
// Send display signal in display thread and display image in main thread
emit signalShowImage(pRGBbuffer, (int)stPixelConvertParam.nWidth, (int)stPixelConvertParam.nHeight, (uint64_t)stPixelConvertParam.eDstPixelFormat);
}
}
bool cammer::isTimeToDisplay()
{
m_mxTime.lock();
// 不显示
// don't display
if (m_nDisplayInterval <= 0)
{
m_mxTime.unlock();
return false;
}
// 第一帧必须显示
// the frist frame must be displayed
if (m_nFirstFrameTime == 0 || m_nLastFrameTime == 0)
{
m_nFirstFrameTime = m_elapsedTimer.nsecsElapsed();
m_nLastFrameTime = m_nFirstFrameTime;
m_mxTime.unlock();
return true;
}
// 当前帧和上一帧的间隔如果大于显示间隔就显示
// display if the interval between the current frame and the previous frame is greater than the display interval
uint64_t nCurTimeTmp = m_elapsedTimer.nsecsElapsed();
uint64_t nAcquisitionInterval = nCurTimeTmp - m_nLastFrameTime;
if (nAcquisitionInterval > m_nDisplayInterval)
{
m_nLastFrameTime = nCurTimeTmp;
m_mxTime.unlock();
return true;
}
// 当前帧相对于第一帧的时间间隔
// Time interval between the current frame and the first frame
uint64_t nPre = (m_nLastFrameTime - m_nFirstFrameTime) % m_nDisplayInterval;
if (nPre + nAcquisitionInterval > m_nDisplayInterval)
{
m_nLastFrameTime = nCurTimeTmp;
m_mxTime.unlock();
return true;
}
m_mxTime.unlock();
return false;
}
// 设置显示频率
// set display frequency
void cammer::setDisplayFPS(int nFPS)
{
m_mxTime.lock();
if (nFPS > 0)
{
m_nDisplayInterval = 1000 * 1000 * 1000.0 / nFPS;
}
else
{
m_nDisplayInterval = 0;
}
m_mxTime.unlock();
}
// 窗口关闭响应函数
// window close response function
void cammer::closeEvent(QCloseEvent * event)
{
IMV_DestroyHandle(handle);
handle = NULL;
}
// 状态栏统计信息 开始
// Status bar statistics begin
void cammer::resetStatistic()
{
QMutexLocker locker(&m_mxStatistic);
m_nTotalFrameCount = 0;
m_listFrameStatInfo.clear();
m_bNeedUpdate = true;
}
QString cammer::getStatistic()
{
if (m_mxStatistic.tryLock(30))
{
if (m_bNeedUpdate)
{
updateStatistic();
}
m_mxStatistic.unlock();
return m_strStatistic;
}
return "";
}
void cammer::updateStatistic()
{
size_t nFrameCount = m_listFrameStatInfo.size();
QString strFPS = DEFAULT_ERROR_STRING;
QString strSpeed = DEFAULT_ERROR_STRING;
if (nFrameCount > 1)
{
quint64 nTotalSize = 0;
FrameList::const_iterator it = m_listFrameStatInfo.begin();
if (m_listFrameStatInfo.size() == 2)
{
nTotalSize = m_listFrameStatInfo.back().m_nFrameSize;
}
else
{
for (++it; it != m_listFrameStatInfo.end(); ++it)
{
nTotalSize += it->m_nFrameSize;
}
}
const FrameStatInfo& first = m_listFrameStatInfo.front();
const FrameStatInfo& last = m_listFrameStatInfo.back();
qint64 nsecs = last.m_nPassTime - first.m_nPassTime;
if (nsecs > 0)
{
double dFPS = (nFrameCount - 1) * ((double)1000000000.0 / nsecs);
double dSpeed = nTotalSize * ((double)1000000000.0 / nsecs) / (1000.0) / (1000.0) * (8.0);
strFPS = QString::number(dFPS, 'f', 2);
strSpeed = QString::number(dSpeed, 'f', 2);
}
}
m_strStatistic = QString("Stream: %1 images %2 FPS %3 Mbps")
.arg(m_nTotalFrameCount)
.arg(strFPS)
.arg(strSpeed);
m_bNeedUpdate = false;
}
void cammer::recvNewFrame(quint32 frameSize)
{
QMutexLocker locker(&m_mxStatistic);
if (m_listFrameStatInfo.size() >= MAX_FRAME_STAT_NUM)
{
m_listFrameStatInfo.pop_front();
}
m_listFrameStatInfo.push_back(FrameStatInfo(frameSize, m_elapsedTimer.nsecsElapsed()));
++m_nTotalFrameCount;
if (m_listFrameStatInfo.size() > MIN_LEFT_LIST_NUM)
{
FrameStatInfo infoFirst = m_listFrameStatInfo.front();
FrameStatInfo infoLast = m_listFrameStatInfo.back();
while (m_listFrameStatInfo.size() > MIN_LEFT_LIST_NUM && infoLast.m_nPassTime - infoFirst.m_nPassTime > MAX_STATISTIC_INTERVAL)
{
m_listFrameStatInfo.pop_front();
infoFirst = m_listFrameStatInfo.front();
}
}
m_bNeedUpdate = true;
}
// 状态栏统计信息 end
// Status bar statistics endingf
bool cammer::SaveImageToFile(IMV_Frame* pFrame, IMV_ESaveFileType saveFormat)
{
CRITICAL_SECTION saveImagelock;
int ret = IMV_OK;
InitializeCriticalSection(&saveImagelock);
IMV_SaveImageToFileParam saveImageToFileParam;
memset(&saveImageToFileParam, 0, sizeof(saveImageToFileParam));
EnterCriticalSection(&saveImagelock);
saveImageToFileParam.eImageType = saveFormat;
saveImageToFileParam.nWidth = pFrame->frameInfo.width;
saveImageToFileParam.nHeight = pFrame->frameInfo.height;
saveImageToFileParam.ePixelFormat = pFrame->frameInfo.pixelFormat;
saveImageToFileParam.pSrcData = pFrame->pData;
saveImageToFileParam.nSrcDataLen = pFrame->frameInfo.size;
saveImageToFileParam.eBayerDemosaic = demosaicEdgeSensing;
saveImageToFileParam.pImagePath = (char*)malloc(256);
memset(saveImageToFileParam.pImagePath, 0, 256);
QString newFileName = QDateTime::currentDateTime().toString("yyyy-MM-dd-hh-mm-ss");
savelujing = "use/"+newFileName + ".png";
qDebug()<<savelujing.toUtf8().constData();
snprintf(saveImageToFileParam.pImagePath, 256,savelujing.toUtf8().constData() );
savelujing2=savelujing;
//snprintf(saveImageToFileParam.pImagePath, 256,"use/1.png");
if (typeSaveJpeg == saveImageToFileParam.eImageType)
{
saveImageToFileParam.nQuality = 90;
}
else if (typeSavePng == saveImageToFileParam.eImageType)
{
saveImageToFileParam.nQuality = 2;
qDebug()<<"saveImageToFileParam.nQuality = 2;";
}
// 保存图片
// Save image
ret = IMV_SaveImageToFile(handle, &saveImageToFileParam);
if (IMV_OK != ret)
{
printf("Save image failed! ErrorCode[%d]\n", ret);
LeaveCriticalSection(&saveImagelock);
DeleteCriticalSection(&saveImagelock);
free(saveImageToFileParam.pImagePath);
return false;
}
LeaveCriticalSection(&saveImagelock);
DeleteCriticalSection(&saveImagelock);
free(saveImageToFileParam.pImagePath);
return true;
}
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