海康工业相机对接黑白画面

This commit is contained in:
zc
2026-03-11 10:55:59 +08:00
parent 41e0b0b5b4
commit fde2f18ff5
5 changed files with 844 additions and 0 deletions

View File

@@ -1,17 +1,25 @@
package top.wms.admin.config.webSocket;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import top.wms.admin.controller.hkMVS.CameraWebSocketHandler;
import top.wms.admin.controller.weighManage.ah.ScaleWebSocketHandler;
@Configuration
@EnableWebSocket
public class webSocket implements WebSocketConfigurer {
@Autowired
private CameraWebSocketHandler cameraWebSocketHandler;
@Override
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
// 注册WebSocket端点允许所有跨域请求
registry.addHandler(new ScaleWebSocketHandler(), "/ws/scale").setAllowedOrigins("*");
// 注册海康相机WebSocket端点
registry.addHandler(cameraWebSocketHandler, "/ws/camera").setAllowedOrigins("*");
}
}

View File

@@ -0,0 +1,377 @@
package top.wms.admin.controller.hkMVS;
import MvCameraControlWrapper.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.web.socket.BinaryMessage;
import org.springframework.web.socket.WebSocketSession;
import java.util.ArrayList;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import static MvCameraControlWrapper.MvCameraControlDefines.*;
@Slf4j
@Service
public class CameraService {
// 相机句柄
private Handle hCamera = null;
// 设备信息列表
private ArrayList<MV_CC_DEVICE_INFO> stDeviceList = null;
// WebSocket会话映射用于存储活跃的WebSocket连接
private final Map<String, WebSocketSession> webSocketSessions = new ConcurrentHashMap<>();
// 相机是否正在运行
private boolean isRunning = false;
/**
* 初始化相机
* @return 初始化结果
*/
public synchronized boolean initializeCamera() {
if (hCamera != null) {
log.info("Camera already initialized");
return true;
}
int nRet = MV_OK;
try {
// 初始化SDK
log.info("Initializing SDK...");
nRet = MvCameraControl.MV_CC_Initialize();
if (MV_OK != nRet) {
log.error("Initialize SDK fail! nRet [0x{0}]", Integer.toHexString(nRet));
return false;
}
// 枚举设备
log.info("Enumerating devices...");
try {
stDeviceList = MvCameraControl.MV_CC_EnumDevices(MV_GIGE_DEVICE | MV_USB_DEVICE | MV_GENTL_GIGE_DEVICE | MV_GENTL_CAMERALINK_DEVICE | MV_GENTL_CXP_DEVICE | MV_GENTL_XOF_DEVICE);
} catch (CameraControlException e) {
log.error("Enumerate devices failed!", e);
MvCameraControl.MV_CC_Finalize();
return false;
}
if (stDeviceList == null || stDeviceList.size() <= 0) {
log.error("No devices found!");
MvCameraControl.MV_CC_Finalize();
return false;
}
// 打印设备信息
log.info("Found {} device(s):", stDeviceList.size());
int i = 0;
for (MV_CC_DEVICE_INFO stDeviceInfo : stDeviceList) {
if (null == stDeviceInfo) {
continue;
}
log.info("[camera {}}", i++);
printDeviceInfo(stDeviceInfo);
}
// 默认选择第一个设备
log.info("Selecting first device...");
try {
hCamera = MvCameraControl.MV_CC_CreateHandle(stDeviceList.get(0));
} catch (CameraControlException e) {
log.error("Create handle failed!", e);
MvCameraControl.MV_CC_Finalize();
return false;
}
// 打开设备
log.info("Opening device...");
nRet = MvCameraControl.MV_CC_OpenDevice(hCamera);
if (MV_OK != nRet) {
log.error("Connect to camera failed, errcode: [0x{0}]", Integer.toHexString(nRet));
MvCameraControl.MV_CC_DestroyHandle(hCamera);
hCamera = null;
MvCameraControl.MV_CC_Finalize();
return false;
}
// 关闭触发模式
log.info("Turning off trigger mode...");
nRet = MvCameraControl.MV_CC_SetEnumValueByString(hCamera, "TriggerMode", "Off");
if (MV_OK != nRet) {
log.error("SetTriggerMode failed, errcode: [0x{0}]", Integer.toHexString(nRet));
closeCamera();
return false;
}
log.info("Camera initialized successfully");
return true;
} catch (Exception e) {
log.error("Initialize camera failed", e);
closeCamera();
return false;
}
}
/**
* 开始视频流
* @return 开始结果
*/
public synchronized boolean startStream() {
if (hCamera == null) {
log.error("Camera not initialized");
return false;
}
if (isRunning) {
log.info("Stream already running");
return true;
}
try {
// 注册图像回调
log.info("Registering image callback...");
int nRet = MvCameraControl.MV_CC_RegisterImageCallBack(hCamera, new CameraImageCallBack() {
@Override
public int OnImageCallBack(byte[] bytes, MV_FRAME_OUT_INFO mv_frame_out_info) {
printFrameInfo(mv_frame_out_info);
processImage(bytes, mv_frame_out_info);
return 0;
}
});
if (MV_OK != nRet) {
log.error("Register image callback failed, errcode: [0x{0}]", Integer.toHexString(nRet));
return false;
}
// 开始采集
log.info("Starting grabbing...");
nRet = MvCameraControl.MV_CC_StartGrabbing(hCamera);
if (MV_OK != nRet) {
log.error("StartGrabbing failed, errcode: [0x{0}]", Integer.toHexString(nRet));
return false;
}
isRunning = true;
log.info("Stream started successfully");
return true;
} catch (Exception e) {
log.error("Start stream failed", e);
return false;
}
}
/**
* 停止视频流
*/
public synchronized void stopStream() {
if (hCamera == null || !isRunning) {
return;
}
try {
// 停止采集
log.info("Stopping grabbing...");
int nRet = MvCameraControl.MV_CC_StopGrabbing(hCamera);
if (MV_OK != nRet) {
log.error("StopGrabbing failed, errcode: [0x{0}]", Integer.toHexString(nRet));
}
isRunning = false;
log.info("Stream stopped");
} catch (Exception e) {
log.error("Stop stream failed", e);
}
}
/**
* 关闭相机
*/
public synchronized void closeCamera() {
if (hCamera != null) {
try {
// 停止采集
log.info("Stopping grabbing...");
MvCameraControl.MV_CC_StopGrabbing(hCamera);
// 关闭设备
log.info("Closing device...");
MvCameraControl.MV_CC_CloseDevice(hCamera);
// 销毁句柄
log.info("Destroying handle...");
MvCameraControl.MV_CC_DestroyHandle(hCamera);
} catch (Exception e) {
log.error("Close camera failed", e);
} finally {
hCamera = null;
}
}
// 释放SDK
try {
log.info("Finalizing SDK...");
MvCameraControl.MV_CC_Finalize();
} catch (Exception e) {
log.error("Finalize SDK failed", e);
}
isRunning = false;
log.info("Camera closed");
}
/**
* 处理图像数据
* @param bytes 原始图像数据
* @param frameInfo 帧信息
*/
private void processImage(byte[] bytes, MV_FRAME_OUT_INFO frameInfo) {
if (bytes == null || frameInfo == null || webSocketSessions.isEmpty()) {
return;
}
try {
// 打印帧信息,以便调试
printFrameInfo(frameInfo);
// 对于黑白相机MV-CE050-30GM数据是单通道灰度格式
// 创建包含图像尺寸信息和原始数据的消息
// 消息格式: [width(4 bytes)][height(4 bytes)][image data]
byte[] message = new byte[8 + bytes.length];
// 写入宽度和高度(使用小端序)
message[0] = (byte) (frameInfo.width & 0xFF);
message[1] = (byte) ((frameInfo.width >> 8) & 0xFF);
message[2] = (byte) ((frameInfo.width >> 16) & 0xFF);
message[3] = (byte) ((frameInfo.width >> 24) & 0xFF);
message[4] = (byte) (frameInfo.height & 0xFF);
message[5] = (byte) ((frameInfo.height >> 8) & 0xFF);
message[6] = (byte) ((frameInfo.height >> 16) & 0xFF);
message[7] = (byte) ((frameInfo.height >> 24) & 0xFF);
// 写入原始图像数据
System.arraycopy(bytes, 0, message, 8, bytes.length);
// 发送图像数据到所有连接的WebSocket客户端
for (WebSocketSession session : webSocketSessions.values()) {
if (session.isOpen()) {
try {
session.sendMessage(new BinaryMessage(message));
} catch (Exception e) {
log.error("Send message to WebSocket failed", e);
}
}
}
} catch (Exception e) {
log.error("Process image failed", e);
}
}
/**
* 添加WebSocket会话
* @param session WebSocket会话
*/
public void addWebSocketSession(WebSocketSession session) {
if (session != null) {
webSocketSessions.put(session.getId(), session);
log.info("WebSocket session added: {}", session.getId());
// 如果相机未初始化,初始化相机
if (!initializeCamera()) {
log.error("Failed to initialize camera for new WebSocket session");
return;
}
// 如果视频流未开始,开始视频流
if (!isRunning) {
startStream();
}
}
}
/**
* 移除WebSocket会话
* @param session WebSocket会话
*/
public void removeWebSocketSession(WebSocketSession session) {
if (session != null) {
webSocketSessions.remove(session.getId());
log.info("WebSocket session removed: {}", session.getId());
// 如果没有活跃的WebSocket会话停止视频流
if (webSocketSessions.isEmpty()) {
stopStream();
}
}
}
/**
* 获取当前连接的WebSocket会话数量
* @return 会话数量
*/
public int getWebSocketSessionCount() {
return webSocketSessions.size();
}
/**
* 检查相机是否正在运行
* @return 是否正在运行
*/
public boolean isRunning() {
return isRunning;
}
/**
* 打印设备信息
* @param stDeviceInfo 设备信息
*/
private void printDeviceInfo(MV_CC_DEVICE_INFO stDeviceInfo) {
if (null == stDeviceInfo) {
log.error("stDeviceInfo is null");
return;
}
if ((stDeviceInfo.transportLayerType == MV_GIGE_DEVICE) || (stDeviceInfo.transportLayerType == MV_GENTL_GIGE_DEVICE)) {
log.info("\tCurrentIp: {}", stDeviceInfo.gigEInfo.currentIp);
log.info("\tModel: {}", stDeviceInfo.gigEInfo.modelName);
log.info("\tUserDefinedName: {}", stDeviceInfo.gigEInfo.userDefinedName);
} else if (stDeviceInfo.transportLayerType == MV_USB_DEVICE) {
log.info("\tUserDefinedName: {}", stDeviceInfo.usb3VInfo.userDefinedName);
log.info("\tSerial Number: {}", stDeviceInfo.usb3VInfo.serialNumber);
log.info("\tDevice Number: {}", stDeviceInfo.usb3VInfo.deviceNumber);
} else if (stDeviceInfo.transportLayerType == MV_GENTL_CAMERALINK_DEVICE) {
log.info("\tUserDefinedName: {}", stDeviceInfo.cmlInfo.userDefinedName);
log.info("\tSerial Number: {}", stDeviceInfo.cmlInfo.serialNumber);
log.info("\tDevice Number: {}", stDeviceInfo.cmlInfo.DeviceID);
} else if (stDeviceInfo.transportLayerType == MV_GENTL_CXP_DEVICE) {
log.info("\tUserDefinedName: {}", stDeviceInfo.cxpInfo.userDefinedName);
log.info("\tSerial Number: {}", stDeviceInfo.cxpInfo.serialNumber);
log.info("\tDevice Number: {}", stDeviceInfo.cxpInfo.DeviceID);
} else if (stDeviceInfo.transportLayerType == MV_GENTL_XOF_DEVICE) {
log.info("\tUserDefinedName: {}", stDeviceInfo.xofInfo.userDefinedName);
log.info("\tSerial Number: {}", stDeviceInfo.xofInfo.serialNumber);
log.info("\tDevice Number: {}", stDeviceInfo.xofInfo.DeviceID);
} else {
log.error("Device is not supported! ");
}
log.info("\tAccessible: {}", MvCameraControl.MV_CC_IsDeviceAccessible(stDeviceInfo, MV_ACCESS_Exclusive));
}
/**
* 打印帧信息
* @param stFrameInfo 帧信息
*/
private void printFrameInfo(MV_FRAME_OUT_INFO stFrameInfo) {
if (null == stFrameInfo) {
log.error("stFrameInfo is null");
return;
}
StringBuilder frameInfo = new StringBuilder("");
frameInfo.append(("\tFrameNum[" + stFrameInfo.frameNum + "]"));
frameInfo.append("\tWidth[" + stFrameInfo.width + "]");
frameInfo.append("\tHeight[" + stFrameInfo.height + "]");
frameInfo.append(String.format("\tPixelType[%#x]", stFrameInfo.pixelType.getnValue()));
log.debug(frameInfo.toString());
}
}

View File

@@ -0,0 +1,64 @@
package top.wms.admin.controller.hkMVS;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.BinaryWebSocketHandler;
@Slf4j
@Component
public class CameraWebSocketHandler extends BinaryWebSocketHandler {
@Resource
private CameraService cameraService;
/**
* 连接建立时触发
*/
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
log.info("WebSocket connection established: {}", session.getId());
// 添加WebSocket会话到CameraService
cameraService.addWebSocketSession(session);
}
/**
* 连接关闭时触发
*/
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
log.info("WebSocket connection closed: {}, status: {}", session.getId(), status);
// 从CameraService移除WebSocket会话
cameraService.removeWebSocketSession(session);
}
/**
* 处理二进制消息
*/
@Override
protected void handleBinaryMessage(WebSocketSession session, org.springframework.web.socket.BinaryMessage message) throws Exception {
// 可以在这里处理前端发送的二进制消息(如果需要)
log.debug("Received binary message from WebSocket session: {}", session.getId());
}
/**
* 处理文本消息
*/
@Override
protected void handleTextMessage(WebSocketSession session, org.springframework.web.socket.TextMessage message) {
// 可以在这里处理前端发送的文本消息(如果需要)
log.debug("Received text message from WebSocket session: {}, message: {}", session.getId(), message.getPayload());
}
/**
* 处理传输错误
*/
@Override
public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {
log.error("WebSocket transport error: {}", exception.getMessage(), exception);
// 从CameraService移除WebSocket会话
cameraService.removeWebSocketSession(session);
}
}

View File

@@ -0,0 +1,386 @@
package top.wms.admin.controller.hkMVS; /***************************************************************************************************
* @file ConvertPixelType.java
* @breif Use functions provided in MvCameraControlWrapper.jar to convert pixel type。
* @author zhanglei72
* @date 2020/02/10
*
* @warning
* @version V1.0.0 2020/02/10 create this file.
* @since 2020/02/10
**************************************************************************************************/
import MvCameraControlWrapper.CameraControlException;
import MvCameraControlWrapper.MvCameraControl;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Scanner;
import static MvCameraControlWrapper.MvCameraControlDefines.*;
public class ConvertPixelType
{
public static Scanner scanner;
private static void printDeviceInfo(MV_CC_DEVICE_INFO stDeviceInfo)
{
if (null == stDeviceInfo) {
System.out.println("stDeviceInfo is null");
return;
}
if ((stDeviceInfo.transportLayerType == MV_GIGE_DEVICE) ||( stDeviceInfo.transportLayerType == MV_GENTL_GIGE_DEVICE))
{
System.out.println("\tCurrentIp: " + stDeviceInfo.gigEInfo.currentIp);
System.out.println("\tModel: " + stDeviceInfo.gigEInfo.modelName);
System.out.println("\tUserDefinedName: " + stDeviceInfo.gigEInfo.userDefinedName);
} else if (stDeviceInfo.transportLayerType == MV_USB_DEVICE) {
System.out.println("\tUserDefinedName: " + stDeviceInfo.usb3VInfo.userDefinedName);
System.out.println("\tSerial Number: " + stDeviceInfo.usb3VInfo.serialNumber);
System.out.println("\tDevice Number: " + stDeviceInfo.usb3VInfo.deviceNumber);
} else if (stDeviceInfo.transportLayerType == MV_GENTL_CAMERALINK_DEVICE)
{
System.out.println("\tUserDefinedName: " + stDeviceInfo.cmlInfo.userDefinedName);
System.out.println("\tSerial Number: " + stDeviceInfo.cmlInfo.serialNumber);
System.out.println("\tDevice Number: " + stDeviceInfo.cmlInfo.DeviceID);
}
else if (stDeviceInfo.transportLayerType == MV_GENTL_CXP_DEVICE)
{
System.out.println("\tUserDefinedName: " + stDeviceInfo.cxpInfo.userDefinedName);
System.out.println("\tSerial Number: " + stDeviceInfo.cxpInfo.serialNumber);
System.out.println("\tDevice Number: " + stDeviceInfo.cxpInfo.DeviceID);
}
else if (stDeviceInfo.transportLayerType == MV_GENTL_XOF_DEVICE)
{
System.out.println("\tUserDefinedName: " + stDeviceInfo.xofInfo.userDefinedName);
System.out.println("\tSerial Number: " + stDeviceInfo.xofInfo.serialNumber);
System.out.println("\tDevice Number: " + stDeviceInfo.xofInfo.DeviceID);
}else {
System.err.print("Device is not supported! \n");
}
System.out.println("\tAccessible: "
+ MvCameraControl.MV_CC_IsDeviceAccessible(stDeviceInfo, MV_ACCESS_Exclusive));
System.out.println("");
}
private static void printFrameInfo(MV_FRAME_OUT_INFO stFrameInfo)
{
if (null == stFrameInfo)
{
System.err.println("stFrameInfo is null");
return;
}
StringBuilder frameInfo = new StringBuilder("");
frameInfo.append(("\tFrameNum[" + stFrameInfo.frameNum + "]"));
frameInfo.append("\tWidth[" + stFrameInfo.width + "]");
frameInfo.append("\tHeight[" + stFrameInfo.height + "]");
frameInfo.append(String.format("\tPixelType[%#x]", stFrameInfo.pixelType.getnValue()));
System.out.println(frameInfo.toString());
}
public static void saveDataToFile(byte[] dataToSave, int dataSize, String fileName)
{
OutputStream os = null;
try
{
if((null == dataToSave)||(dataSize <= 0))
{
System.out.println("saveDataToFile param error.");
return;
}
// create diractory
File tempFile = new File("dat");
if (!tempFile.exists())
{
tempFile.mkdirs();
}
os = new FileOutputStream(tempFile.getPath() + File.separator + fileName);
if(null != os)
{
os.write(dataToSave, 0, dataSize);
System.out.println("ConvertPixelType succeed.");
}
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
// close file stream
try
{
if(os != null)
{
os.close();
}
} catch (IOException e)
{
e.printStackTrace();
}
}
}
public static int chooseCamera(ArrayList<MV_CC_DEVICE_INFO> stDeviceList)
{
if (null == stDeviceList)
{
return -1;
}
// Choose a device to operate
int camIndex = -1;
while (true)
{
System.out.print("Please input camera index:");
if (scanner.hasNextInt())
{
try
{
camIndex = scanner.nextInt();
if ((camIndex >= 0 && camIndex < stDeviceList.size()) || -1 == camIndex)
{
break;
}
else
{
System.out.println("Input error: " + camIndex + " Over Range:( 0 - " + (stDeviceList.size()-1) + " )");
}
}
catch (Exception e)
{
System.out.println("Input not number.");
camIndex = -1;
break;
}
}
else
{
camIndex = -1;
break;
}
}
if (-1 == camIndex) {
System.out.println("Input error.exit");
return camIndex;
}
if (0 <= camIndex && stDeviceList.size() > camIndex)
{
if ((MV_GIGE_DEVICE == stDeviceList.get(camIndex).transportLayerType)||(MV_GENTL_GIGE_DEVICE == stDeviceList.get(camIndex).transportLayerType))
{
System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).gigEInfo.userDefinedName);
}
else if (MV_USB_DEVICE == stDeviceList.get(camIndex).transportLayerType)
{
System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).usb3VInfo.userDefinedName);
}
else if (MV_GENTL_CAMERALINK_DEVICE == stDeviceList.get(camIndex).transportLayerType)
{
System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).cmlInfo.DeviceID);
}
else if (MV_GENTL_CXP_DEVICE == stDeviceList.get(camIndex).transportLayerType)
{
System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).cxpInfo.DeviceID);
}
else if (MV_GENTL_XOF_DEVICE == stDeviceList.get(camIndex).transportLayerType)
{
System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).xofInfo.DeviceID);
}
else
{
System.out.println("Device is not supported.");
}
}
else
{
System.out.println("Invalid index " + camIndex);
camIndex = -1;
}
return camIndex;
}
public static void main(String[] args)
{
int nRet = MV_OK;
int camIndex = -1;
Handle hCamera = null;
scanner = new Scanner(System.in);
ArrayList<MV_CC_DEVICE_INFO> stDeviceList = null;
do
{
System.out.println("SDK Version " + MvCameraControl.MV_CC_GetSDKVersion());
// Initialize SDK
nRet = MvCameraControl.MV_CC_Initialize();
if (MV_OK != nRet)
{
System.err.printf("Initialize SDK fail! nRet [0x%x]\n\n",nRet);
break;
}
// Enumerate GigE and USB devices
try
{
stDeviceList = MvCameraControl.MV_CC_EnumDevices(MV_GIGE_DEVICE | MV_USB_DEVICE | MV_GENTL_GIGE_DEVICE | MV_GENTL_CAMERALINK_DEVICE | MV_GENTL_CXP_DEVICE | MV_GENTL_XOF_DEVICE);
if (0 >= stDeviceList.size())
{
System.out.println("No devices found!");
break;
}
int i = 0;
for (MV_CC_DEVICE_INFO stDeviceInfo : stDeviceList)
{
System.out.println("[camera " + (i++) + "]");
printDeviceInfo(stDeviceInfo);
}
}
catch (CameraControlException e)
{
System.err.println("Enumrate devices failed!" + e.toString());
e.printStackTrace();
break;
}
// choose camera
camIndex = chooseCamera(stDeviceList);
if (camIndex == -1)
{
break;
}
// Create device handle
try
{
hCamera = MvCameraControl.MV_CC_CreateHandle(stDeviceList.get(camIndex));
}
catch (CameraControlException e)
{
System.err.println("Create handle failed!" + e.toString());
e.printStackTrace();
hCamera = null;
break;
}
// Open selected device
nRet = MvCameraControl.MV_CC_OpenDevice(hCamera);
if (MV_OK != nRet)
{
System.err.printf("Connect to camera failed, errcode: [%#x]\n", nRet);
break;
}
// make sure that Trigger mode is off
nRet = MvCameraControl.MV_CC_SetEnumValueByString(hCamera, "TriggerMode", "Off");
if (MV_OK != nRet)
{
System.err.printf("SetTriggerMode failed, errcode: [%#x]\n", nRet);
break;
}
// Get payload size
MVCC_INTVALUE stParam = new MVCC_INTVALUE();
nRet = MvCameraControl.MV_CC_GetIntValue(hCamera, "PayloadSize", stParam);
if (MV_OK != nRet)
{
System.err.printf("Get PayloadSize fail, errcode: [%#x]\n", nRet);
break;
}
// Start grabbing images
nRet = MvCameraControl.MV_CC_StartGrabbing(hCamera);
if (MV_OK != nRet)
{
System.err.printf("Start Grabbing fail, errcode: [%#x]\n", nRet);
break;
}
// Get one frame
MV_FRAME_OUT_INFO stImageInfo = new MV_FRAME_OUT_INFO();
byte[] pData = new byte[(int)stParam.curValue];
nRet = MvCameraControl.MV_CC_GetOneFrameTimeout(hCamera, pData, stImageInfo, 1000);
if (MV_OK != nRet)
{
System.err.printf("GetOneFrameTimeout fail, errcode:[%#x]\n", nRet);
break;
}
System.out.println("GetOneFrame: ");
printFrameInfo(stImageInfo);
// set interpolation algorithm type, 0-Fast 1-Equilibrium 2-Optimal 3-Optimal plus
nRet = MvCameraControl.MV_CC_SetBayerCvtQuality(hCamera, 1);
if (MV_OK != nRet)
{
System.err.printf("set Bayer convert quality fail! nRet [0x%x]\n", nRet);
break;
}
int dataSizeForRGB = stImageInfo.width * stImageInfo.height * 3; // every RGB pixel takes 3 bytes
byte[] pDataForRGB = new byte[dataSizeForRGB];
// Convert pixel type to RGB8_Packed
MV_CC_PIXEL_CONVERT_PARAM_EX stConvertParam = new MV_CC_PIXEL_CONVERT_PARAM_EX();
stConvertParam.width = stImageInfo.ExtendWidth; // image width
stConvertParam.height = stImageInfo.ExtendHeight; // image height
stConvertParam.srcData = pData; // input buffer
stConvertParam.srcDataLen = stImageInfo.frameLen; // input buffer size
stConvertParam.srcPixelType = stImageInfo.pixelType; // input pixel format
stConvertParam.dstPixelType = MvGvspPixelType.PixelType_Gvsp_RGB8_Packed; // output pixel format
stConvertParam.dstBuffer = pDataForRGB; // output buffer
stConvertParam.dstBufferSize = dataSizeForRGB; // output buffer size
nRet = MvCameraControl.MV_CC_ConvertPixelTypeEx(hCamera, stConvertParam);
if (MV_OK != nRet)
{
System.err.printf("Convert PixelType fail, errcode: [%#x]\n", nRet);
break;
}
// Save buffer content to file
saveDataToFile(pDataForRGB, dataSizeForRGB, "AfterConvert_RGB.raw");
// Stop grabbing
nRet = MvCameraControl.MV_CC_StopGrabbing(hCamera);
if (MV_OK != nRet)
{
System.err.printf("StopGrabbing failed, errcode: [%#x]\n", nRet);
break;
}
// close device
nRet = MvCameraControl.MV_CC_CloseDevice(hCamera);
if (MV_OK != nRet)
{
System.err.printf("CloseDevice failed, errcode: [%#x]\n", nRet);
break;
}
} while (false);
if (null != hCamera)
{
// Destroy handle
nRet = MvCameraControl.MV_CC_DestroyHandle(hCamera);
if (MV_OK != nRet) {
System.err.printf("DestroyHandle failed, errcode: [%#x]\n", nRet);
}
}
MvCameraControl.MV_CC_Finalize();
scanner.close();
}
}