myvtm/Module/mod_CameraConfigManage/win/Capture.h

#pragma once

#include "SpBase.h"
#include <portaudio.h>
#include "EventCode.h"
#include "videoframework.h"
#include "libaudioqueue.h"
#include "libvideoqueue.h"
#include <vector>

#ifndef INT64_C
#define INT64_C(c) (c##LL) 
#define UINT64_C(c) (c##UL) 
#endif

#include <stdint.h>
extern "C"
{
#include <libavutil\avutil.h>
#include <libavcodec\avcodec.h>
#include <libswscale\swscale.h>
}
#include "video_common/ffmpeg_api_cpp_adapter.h"

// define struct and method for echo camera


namespace CameraConfigManage {
	typedef struct capture_t capture_t;

	typedef struct {
		int video_dev; // -1 means invalid
		int video_rotate; // counter-clockwise degree, ignore currently
		CSimpleStringA strAudioIn; // input audio
		CSimpleStringA strVideo;
		volatile LONG *ref_capture_count;
	}capture_config_t;


	typedef struct
	{
		CSimpleStringA strFriendlyName;
		CSimpleStringA strDevPath;
		CSimpleStringA strMd5Val;
	}camera_names_t;

#define CAPTURE_FRAME_TIME	20 // 20ms per frame
#define CAPTURE_CLOCK		8000

	extern DeviceTypeEnum g_eDeviceType;

	typedef struct audio_capture_t {
		PaStream *stream;
		Clibaudioqueue *shm_queue;
		capture_t *parent;
	}audio_capture_t;

	typedef struct video_capture_t {
		videocap_t cap;
		Clibvideoqueue *preview_shm_queue;
		capture_t *parent;
		int camera_type; // CAMERA_TYPE_xxx
		int frame_id;
		struct SwsContext *preview_sws_ctx;
	}video_capture_t;

	struct capture_t
	{
		capture_config_t config;
		audio_capture_t *audio;
		video_capture_t *video;
	};


	int capture_create(const capture_config_t *config, capture_t **p_cap);
	ErrorCodeEnum capture_create(const capture_config_t *config,capture_t *cap);
	void capture_destroy(capture_t *cap);
	ErrorCodeEnum capture_start(capture_t *cap);
	void capture_stop(capture_t *cap);
	int capture_detect_camera_bug(capture_t *cap, int *n);
	int capture_get_last_frametime(capture_t *cap, DWORD *n);

	int capture_lib_init();
	void capture_lib_term();
	int capture_get_audio_device_id(bool in_direction, const char *dev_name);
	//int capture_get_video_device_id(const char *dev_name);
	int capture_get_video_device_id(const char *dev_name, camera_names_t &camera);
	// 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 capture_check_video_device_match(const char *dev_name, const char*dev_inst_path);
	bool capture_adj_brightness(capture_t *cap,int nvalue,ErrorCodeEnum nCode);
	bool capture_set_autobrightness(capture_t *cap,ErrorCodeEnum nCode);
	int capture_get_brightness(capture_t *cap,ErrorCodeEnum nCode);
	int stop_camera(capture_t *cap);
	void capture_enum_cameras(std::vector<camera_names_t> &cams, CAutoArray<CSimpleStringA> &hspcams);
	void capture_md5(char *dev_path);
	bool capture_get_only_video_device_by_friendlyname(const CSimpleStringA friendlyname,
		CAutoArray<CSimpleStringA> &excludecams, const CAutoArray<CSimpleStringA> &hspcams, camera_names_t &camera);
	bool capture_get_only_video_device(CAutoArray<CSimpleStringA> &excludecams, const CAutoArray<CSimpleStringA> &hspcams, camera_names_t &camera);
}