myvtm/Module/mod_SurveillanceRecorder/ews_capture.h

#pragma once

// define struct and method for external wide scale camera

typedef struct ews_capture_t ews_capture_t;

typedef struct ews_capture_config_t {
	int video_dev; // -1 means invalid
	int video_rotate; // counter-clockwise degree, ignore currently
	CSimpleStringA strAudioIn; // input audio
	CSimpleStringA strVideo;
	bool audio_ews_in_agc;
	bool audio_ews_in_ns;
	bool audio_ews_aec;
	int quant;
	int mtu;
	int iaudiosamplerate;
	volatile LONG *ref_ews_capture_count;
}ews_capture_config_t;

int ews_capture_create(const ews_capture_config_t *config, ews_capture_t **p_cap);
ErrorCodeEnum ews_capture_create(const ews_capture_config_t *config,ews_capture_t *cap);
void ews_capture_destroy(ews_capture_t *cap);
ErrorCodeEnum ews_capture_start(ews_capture_t *cap);
void ews_capture_stop(ews_capture_t *cap);
int ews_capture_detect_camera_bug(ews_capture_t *cap, int *ews_n);
int ews_capture_get_last_frametime(ews_capture_t *cap, DWORD *ews_n);

int ews_capture_lib_init();
void ews_capture_lib_term();
int ews_capture_get_audio_device_id(bool in_direction, const char *dev_name);
//int ews_capture_get_video_device_id(const char *dev_name);
int ews_capture_get_video_device_id(const char *dev_inst_path, CSimpleStringA &ews_name);
// 检查摄像头插入事件通知的摄像头deviceinstpath是否与广角摄像头的匹配，若匹配返回true，否则返回false
bool ews_capture_check_video_device_match(const char *dev_name, const char*dev_inst_path);
bool ews_capture_adj_brightness(ews_capture_t *cap,int nvalue,ErrorCodeEnum nCode);
bool ews_capture_set_autobrightness(ews_capture_t *cap,ErrorCodeEnum nCode);
int ews_capture_get_brightness(ews_capture_t *cap,ErrorCodeEnum nCode);
int ews_stop_camera(ews_capture_t *cap);
int get_external_camera_exception_message(char* pBuffer, size_t uLen, CSimpleStringA strDeviceName, const char* strErrorMessage);