Files
ANSCORE/modules/ANSCV/ANSWebcam.h

140 lines
6.5 KiB
C++

#ifndef ANSWEBCAM_H
#define ANSWEBCAM_H
#define ANSWEBCAM_API __declspec(dllexport)
#include <iostream>
#include "ANSLicense.h"
#include "LabVIEWHeader/extcode.h"
#include <vector>
#include <opencv2/imgproc.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/opencv.hpp>
#include <dshow.h>
#include <mutex>
#include <nvjpeg.h>
#include <cuda_runtime.h>
#include <turbojpeg.h>
#pragma comment(lib, "strmiids.lib")
#pragma comment(lib, "ole32.lib")
namespace ANSCENTER
{
struct Resolution {
int width;
int height;
Resolution(int w, int h) : width(w), height(h) {}
int getArea() const {
return width * height;
}
bool operator<(const Resolution& other) const {
return getArea() < other.getArea();
}
};
class ANSWEBCAM_API ANSWEBCAMPlayer
{
protected:
// Add this structure definition in the private section
cv::VideoCapture cap;
int _deviceId;
int _resWidth;
int _resHeight;
int _savedResWidth = 0; // Saved resolution for stop/start restore
int _savedResHeight = 0;
bool _enableMaxResolution = false; // false = Full HD default, true = max resolution
int64_t _previousPTS;
cv::Mat _previousImage;
bool m_bPaused;
std::string _lastJpegImage;
bool _isPlaying;
std::vector<std::string> _cameraNames;
int _imageRotateDeg = 0;
std::recursive_mutex _mutex;
cv::Rect _bbox;
bool _crop;
EngineType engineType;
// Initialize nvJPEG structures
nvjpegHandle_t nv_handle;
nvjpegEncoderState_t nv_enc_state;
nvjpegEncoderParams_t nv_enc_params;
cudaStream_t stream;
tjhandle _jpegCompressor;
public:
ANSWEBCAMPlayer();
~ANSWEBCAMPlayer() noexcept;
[[nodiscard]] bool Init(std::string licenseKey, std::string url);
[[nodiscard]] bool Setup();
[[nodiscard]] bool Reconnect();
[[nodiscard]] bool Start();
[[nodiscard]] bool IsPaused();
[[nodiscard]] bool IsPlaying();
[[nodiscard]] bool IsRecording();
[[nodiscard]] bool Stop();
void Destroy();
void EnableAudio(bool status);
void SetAudioVolume(int volume);
[[nodiscard]] cv::Mat GetImage(int& width, int& height, int64_t& pts);
[[nodiscard]] std::string MatToBinaryData(const cv::Mat& image);
[[nodiscard]] std::string GetJpegStringImage(int& width, int& height, int64_t& pts);
[[nodiscard]] static std::string VectorToCommaSeparatedString(const std::vector<std::string>& inputVector);
[[nodiscard]] static std::vector<std::string> ScanWebcamDevices();
[[nodiscard]] static std::string GetSupportedResolutions(int deviceId);
static std::mutex mtx;
void SetImageRotate(int mode) {
std::lock_guard<std::recursive_mutex> lock(_mutex);
_imageRotateDeg = mode;
if (mode > 360) _imageRotateDeg = 360;
};
void SetBBox(cv::Rect bbox);
void SetCrop(bool crop);
void SetDisplayResolution(int width, int height); // Set display output size; 0,0 = original (no resize)
[[nodiscard]] cv::Mat GetInferenceImage(); // Returns full-res frame for AI inference (no resize)
cv::Mat _inferenceCloneCurr; // Heap-cloned full-res (keeps data alive for registry)
cv::Mat _inferenceClonePrev; // Previous clone (keeps data alive during ANSRTYOLO read)
public:
void CheckLicense();
SPDLogger& _logger = SPDLogger::GetInstance("ANSWebcamPlayer", false);
bool _licenseValid{ false };
std::string _licenseKey;
// Resolution management methods
std::vector<Resolution> GetAvailableResolutions(int deviceId);
bool SetBestResolution(int deviceId);
bool SetPreferredResolution(int deviceId);
bool SetResolution(int width, int height);
void SetEnableMaxResolution(bool enable);
std::string GetAvailableResolutionsString(int deviceId);
private:
std::string encodeJpegString(const cv::Mat& img, int quality = 80);
std::string encodeMatToJpegWithNvJPEG(const cv::Mat& inputMat, int quality = 80);
void uploadPlanarBGRToGPU(const cv::Mat& inputMat, unsigned char** data);
int _displayWidth = 0; // 0 = no resize (return original)
int _displayHeight = 0;
cv::Mat _inferenceImage; // Full-res frame for AI inference
};
std::mutex ANSWEBCAMPlayer::mtx; // Definition of the static mutex
}
extern "C" __declspec(dllexport) int CreateANSWebcamPlayerHandle(ANSCENTER::ANSWEBCAMPlayer * *Handle, const char* licenseKey, const char* url);
extern "C" __declspec(dllexport) int CreateANSWebcamPlayerWithMaxResoHandle(ANSCENTER::ANSWEBCAMPlayer * *Handle, const char* licenseKey, const char* url);
extern "C" __declspec(dllexport) int ReleaseANSWebcamPlayerHandle(ANSCENTER::ANSWEBCAMPlayer * *Handle);
extern "C" __declspec(dllexport) int ScanANSWebcamPlayer(LStrHandle cameraNames);
extern "C" __declspec(dllexport) int ScanStrANSWebcamPlayer(std::vector<std::string> &cameraNameList);
extern "C" __declspec(dllexport) int GetWebcamImage(ANSCENTER::ANSWEBCAMPlayer * *Handle, int& width, int& height, int64_t & timeStamp, LStrHandle jpegImage);
extern "C" __declspec(dllexport) int GetWebcamStrImage(ANSCENTER::ANSWEBCAMPlayer * *Handle, int& width, int& height, int64_t & timeStamp, std::string & jpegImage);
extern "C" __declspec(dllexport) int GetWebcamCVImage(ANSCENTER::ANSWEBCAMPlayer** Handle, int& width, int& height, int64_t& timeStamp, cv::Mat** image);
extern "C" __declspec(dllexport) int StartWebcamPlayer(ANSCENTER::ANSWEBCAMPlayer * *Handle);
extern "C" __declspec(dllexport) int ReconnectWebcamPlayer(ANSCENTER::ANSWEBCAMPlayer * *Handle);
extern "C" __declspec(dllexport) int StopWebcamPlayer(ANSCENTER::ANSWEBCAMPlayer * *Handle);
extern "C" __declspec(dllexport) int IsWebcamPlayerPaused(ANSCENTER::ANSWEBCAMPlayer * *Handle);
extern "C" __declspec(dllexport) int IsWebcamPlayerRunning(ANSCENTER::ANSWEBCAMPlayer * *Handle);
extern "C" __declspec(dllexport) int IsWebcamPlayerRecording(ANSCENTER::ANSWEBCAMPlayer * *Handle);
extern "C" __declspec(dllexport) void SetWebcamPlayerAudioVolume(ANSCENTER::ANSWEBCAMPlayer * *Handle, int volume);
extern "C" __declspec(dllexport) void EnableWebcamPlayerAudioVolume(ANSCENTER::ANSWEBCAMPlayer * *Handle, int status);
extern "C" __declspec(dllexport) void SetWebcamImageRotation(ANSCENTER::ANSWEBCAMPlayer * *Handle, double rotationAngle);
extern "C" __declspec(dllexport) int ScanSupportedResolutions(std::string cameraName,std::vector<std::string> cameraNameList, std::string &supportedResolution);
extern "C" __declspec(dllexport) int SetBBoxANSWebcamPlayer(ANSCENTER::ANSWEBCAMPlayer** Handle, int x, int y, int width, int height);
extern "C" __declspec(dllexport) int SetCropFlagANSWebcamPlayer(ANSCENTER::ANSWEBCAMPlayer** Handle, int cropFlag);
extern "C" __declspec(dllexport) void SetWebcamDisplayResolution(ANSCENTER::ANSWEBCAMPlayer** Handle, int width, int height);
#endif