myvtm/Module/mod_mediacontroller/capture.cpp

#include "capture.h"

#ifdef RVC_OS_WIN
#include "stdafx.h"
#include <ipp.h>
#include <objbase.h>
#include <intrin.h>
#include "videohorflip.h"
#include <locale.h>
#include "video_common/ffmpeg_api_cpp_adapter.h"
#else
#include "imediadeviceinfo.h"
#include <unistd.h>
#endif // RVC_OS_WIN

#include <memutil.h>
#include <md5.h>
#include "y2k_time.h"
#include "Event.h"

using namespace MediaController;

#ifndef av_always_inline
#define av_always_inline __inline
#endif // !av_always_inline

#ifndef inline
#define inline __inline
#endif // !inline

#ifndef RVC_AUDIO_BUFFER_LEN
#define RVC_AUDIO_BUFFER_LEN 320
#endif

static void __dbg(const char *fmt, va_list arg)
{
	int n = vsnprintf(NULL, 0, fmt, arg);
	if (n >= MAX_PATH) {
		char* buf = (char*)malloc((size_t)(n + 1));
		vsnprintf(buf, n + 1, fmt, arg);
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s", buf);
		free(buf);
	}
	else{
		char strlog[MAX_PATH] = {0};
		vsnprintf(strlog, MAX_PATH, fmt, arg);
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s", strlog);
	}
}


static void __logevent(int ilogtype, int idevid, const char* strmessage)
{
	if (0 == ilogtype){
		LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_CAMERA_MATCHED_FORMAT, strmessage);
	}
	else if(1 == ilogtype){
		LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_CAMERA_OUTPUT_FORMAT, strmessage);
	}
	else if (2 == ilogtype) {
		LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_CAMOPEN_FAILED_INFO, strmessage);
	}
	else if (3 == ilogtype) {
		LogEvent(Severity_Middle, LOG_EVT_MEDIACONTROLLER_NOMATCHED_RESOLUTION, CSimpleStringA::Format("%d", idevid).GetData());
	}
	else{
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("unknown type event.");
	}
}


static int Bin2Str(unsigned char *x, int xlen, char *str, int str_size)
{
	static const char *hex2char = "0123456789ABCDEF";
	int i, k = 0;
	if (str_size <= xlen * 2)
		return -1;
	for (i = 0; i < xlen; ++i) {
		int h = x[i] >> 4;
		int l = x[i] & 0xf;
		str[k++] = hex2char[h];
		str[k++] = hex2char[l];
	}
	str[k] = 0;
	return k;
}


#ifdef RVC_OS_LINUX
static void __audiomgrlog(void* user_data, const char* fmt, va_list arg)
{
	int n = vsnprintf(NULL, 0, fmt, arg);
	if (n >= MAX_PATH) {
		char* buf = (char*)malloc((size_t)(n + 1));
		vsnprintf(buf, n + 1, fmt, arg);
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s", buf);
		free(buf);
	}
	else {
		char strlog[MAX_PATH] = { 0 };
		vsnprintf(strlog, MAX_PATH, fmt, arg);
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s", strlog);
	}
}
#endif


static void rvc_sleep(uint32_t umicroseconds) 
{
#ifdef RVC_OS_WIN
	::Sleep(umicroseconds);
#else
	usleep(umicroseconds * 1000);
#endif // RVC_OS_WIN
}


#ifdef RVC_OS_WIN
static int translate_id(bool in_direction, int idx)
{
	int i, n, ii;
	n = Pa_GetDeviceCount();
	for (i = 0, ii = 0; i < n; ++i) {
		const PaDeviceInfo* info = Pa_GetDeviceInfo(i);
		if (in_direction) {
			if (info->maxInputChannels) {
				if (ii == idx) {
					return i;
				}
				ii++;
			}
		}
		else {
			if (info->maxOutputChannels) {
				if (ii == idx) {
					return i;
				}
				ii++;
			}
		}
	}
	return -1;
}

static int audio_get_dev_count(int* in_cnt, int* out_cnt)
{
	int icnt = 0, ocnt = 0;
	int cnt = Pa_GetDeviceCount();
	for (int i = 0; i < cnt; ++i) {
		const PaDeviceInfo* info = Pa_GetDeviceInfo(i);
		if (info->maxInputChannels)
			icnt++;
		if (info->maxOutputChannels)
			ocnt++;
	}
	if (in_cnt)
		*in_cnt = icnt;
	if (out_cnt)
		*out_cnt = ocnt;
	return 0;
}

static CSimpleStringA audio_get_dev_name(bool in_direction, int idx)
{
	int cnt = Pa_GetDeviceCount();
	int ii, i;
	for (i = 0, ii = 0; i < cnt; ++i) {
		const PaDeviceInfo* info = Pa_GetDeviceInfo(i);
		if (in_direction) {
			if (info->maxInputChannels) {
				if (idx == ii) {
					CSimpleStringA strInDevice = CSimpleStringA(info->name);
					return strInDevice;
				}
				ii++;
			}
		}
		else {
			if (info->maxOutputChannels) {
				if (idx == ii) {
					CSimpleStringA strOutDevice = CSimpleStringA(info->name);
					return strOutDevice;
				}
				ii++;
			}
		}
	}
	return CSimpleStringA();
}

int capture_get_audio_device_id(bool in_direction, const char* dev_name)
{
	if (NULL == dev_name) {
		return -1;
	}

	int cnt = Pa_GetDeviceCount();
	int ii, i;
	for (i = 0, ii = 0; i < cnt; ++i) {
		const PaDeviceInfo* info = Pa_GetDeviceInfo(i);
		if (in_direction) {
			if (info->maxInputChannels) {

				if (strstr(info->name, dev_name) != NULL) {
					return ii;
				}
				ii++;
			}
		}
		else {
			if (info->maxOutputChannels) {
				if (strstr(info->name, dev_name) != NULL) {
					return ii;
				}
				ii++;
			}
		}
	}
	return -1;
}

static int StreamCallback(const void *input, 
	void *output, 
	unsigned long frameCount, 
	const PaStreamCallbackTimeInfo* timeInfo, 
	PaStreamCallbackFlags statusFlags, 
	void *userData)
{
	audio_capture_t *audio_cap = (audio_capture_t*)userData;

	if (input) {
		audio_frame frm;

		frm.bitspersample = 16;
		frm.format = 1;
		frm.data = (char*)const_cast<void*>(input);
		frm.framesize = frameCount << 1;
		frm.nchannels = 1;
		frm.samplespersec = CAPTURE_CLOCK;
		
		if (INT_MAX == audio_cap->iseriesnumber++) {
			audio_cap->iseriesnumber = 0;
		}
		frm.iseriesnumber = audio_cap->iseriesnumber;

		if (!audio_cap->shm_queue->InsertAudio(&frm)) {
			DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("[StreamCallback] InsertAudio to shm_queue failed! frameCount:%d", frameCount);
		}
		else {
			//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s:%d InsertAudio to shm_queue success! and framesize is :%d, and shm_queue length is %d, frm.iseriesnumber = %d.", __FUNCTION__, __LINE__, frm.framesize, audio_cap->shm_queue->GetAudioLens(), frm.iseriesnumber);
		}

		if (!audio_cap->salesol_shm_queue->InsertAudio(&frm)) {
			DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("[StreamCallback] InsertAudio to salesol_shm_queue failed! frameCount:%d", frameCount);
		}
		else {
			//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s:%d InsertAudio to salesol_shm_queue success! and framesize is :%d, and salesol_shm_queue length is %d, frm.iseriesnumber = %d.", __FUNCTION__, __LINE__, frm.framesize, audio_cap->salesol_shm_queue->GetAudioLens(), frm.iseriesnumber);
		}
	}

	if (output) {
		memset(output, 0, frameCount<<1);
	}
	
	return paContinue;
}


static int Sales_StreamCallback(const void *input, 
	void *output, 
	unsigned long frameCount, 
	const PaStreamCallbackTimeInfo* timeInfo, 
	PaStreamCallbackFlags statusFlags, 
	void *userData)
{
	rvc_audio_capture_t *audio_cap = (rvc_audio_capture_t*)userData;

	if ((NULL != audio_cap) && (NULL != audio_cap->audio_shm_queue) && (NULL != input)){
		audio_frame frm;
		frm.bitspersample = 16;
		frm.format = 1;
		frm.data = (char*)const_cast<void*>(input);
		frm.framesize = frameCount << 1;
		frm.nchannels = 1;
		frm.samplespersec = audio_cap->iaudio_capture_samplerate;
		
		if (INT_MAX == audio_cap->iseriesnumber++){
			audio_cap->iseriesnumber = 0;
		}
		frm.iseriesnumber = audio_cap->iseriesnumber;

		if (!audio_cap->audio_shm_queue->InsertAudio(&frm)) {
			DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("[Sales_StreamCallback] InsertAudio failed! frameCount:%d", frameCount);
		}
		else {
			//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s:%d InsertAudio to audio_shm_queue success! and framesize is :%d, and shm_queue length is %d, frm.iseriesnumber = %d.", __FUNCTION__, __LINE__, frm.framesize, audio_cap->audio_shm_queue->GetAudioLens(), frm.iseriesnumber);
		}
	}

	if (output) {
		memset(output, 0, frameCount<<1);
	}

	return paContinue;
}


static int portaudio_capture_start(audio_capture_t* audio_cap)
{
	capture_t *cap = audio_cap->parent;
	PaStreamParameters inParam = {0};
	PaStreamParameters salesInParam = {0};
	PaStreamParameters outParam = {0};
	PaError paError;
	const PaDeviceInfo *info;

	int nId = capture_get_audio_device_id(true, cap->config.strAudioIn.GetData());
	if (nId == -1) 
	{
		LogWarn(Severity_Middle, Error_Debug,ERROR_MOD_MEDIACONTROLLER_HANDFREEIN_INITFAIL,"hand free in device config error,please check");
		return Error_AudioIN;
	}
	int in_dev_id = translate_id(true, nId);
	if (in_dev_id < 0) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("audio in device translate failed!");
		return Error_AudioIN;
	}
	info = Pa_GetDeviceInfo(in_dev_id);
	if (!info) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("get device info failed!");
		return Error_AudioIN;
	}
	inParam.channelCount = 1;
	inParam.device = in_dev_id;
	inParam.suggestedLatency = info->defaultLowInputLatency;
	inParam.sampleFormat = paInt16;
	inParam.hostApiSpecificStreamInfo = NULL;
	if (Pa_IsFormatSupported(&inParam, NULL, CAPTURE_CLOCK) != paNoError) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("audio capture create error, cannot open audio input device");
		return Error_AudioIN;
	}

	nId = capture_get_audio_device_id(false, cap->config.strAudioOut.GetData());
	if (nId == -1) 
	{
		LogWarn(Severity_Middle, Error_Debug,ERROR_MOD_MEDIACONTROLLER_HANDFREEOUT_INITFAIL,"hand free out device config error,please check");
		return Error_AudioOut;
	}
	int out_dev_id = translate_id(false, nId);
	if (out_dev_id < 0) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("audio out device translate failed!");
		return Error_AudioOut;
	}
	info = Pa_GetDeviceInfo(out_dev_id);
	if (!info) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("get device info failed!");
		return Error_AudioOut;
	}
	outParam.channelCount = 1;
	outParam.device = out_dev_id;
	outParam.suggestedLatency = info->defaultLowOutputLatency;
	outParam.sampleFormat = paInt16;
	outParam.hostApiSpecificStreamInfo = NULL;
	if (Pa_IsFormatSupported(NULL, &outParam, CAPTURE_CLOCK) != paNoError) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("audio capture create error, cannot open audio input device");
		return Error_AudioOut;
	}

	paError = Pa_OpenStream(&audio_cap->stream, &inParam, NULL, CAPTURE_CLOCK, 
		CAPTURE_FRAME_TIME * CAPTURE_CLOCK/1000, paClipOff|paDitherOff, &StreamCallback, audio_cap);

	if (paError != paNoError) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("port audio open stream failed! paError = %d", paError);
		return Error_AudioIN;
	}

	paError = Pa_StartStream(audio_cap->stream);
	if (paError != paNoError) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("port audio start stream failed! paError = %d", paError);
		return Error_AudioIN;
	}

	return Error_Succeed;
}


static void portaudio_capture_stop(audio_capture_t* audio_cap)
{
	if (audio_cap->stream) {
		Pa_AbortStream(audio_cap->stream);
		Pa_CloseStream(audio_cap->stream);
		audio_cap->stream = NULL;
	}
}


static int record_portaudio_capture_start(rvc_audio_capture_t* audio_cap)
{
	rvc_sales_audio_capture_t* cap = audio_cap->parent;
	PaStreamParameters salesInParam = { 0 };

	PaError paError;
	const PaDeviceInfo* info;
	int nId = capture_get_audio_device_id(true, cap->rvc_audio_config.strAudioIn.GetData());
	if (nId == -1)
	{
		LogWarn(Severity_Middle, Error_Debug,ERROR_MOD_MEDIACONTROLLER_HANDFREEIN_INITFAIL,"hand free in device config error,please check");
		return Error_AudioIN;
	}

	int in_dev_id = translate_id(true, nId);
	if (in_dev_id < 0) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("sales audio in device translate failed!");
		return Error_AudioIN;
	}
	info = Pa_GetDeviceInfo(in_dev_id);
	if (!info) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("get device info failed!");
		return Error_AudioIN;
	}

	salesInParam.channelCount = 1;
	salesInParam.device = in_dev_id;
	salesInParam.suggestedLatency = info->defaultLowInputLatency;
	salesInParam.sampleFormat = paInt16;
	salesInParam.hostApiSpecificStreamInfo = NULL;
	if (Pa_IsFormatSupported(&salesInParam, NULL, audio_cap->iaudio_capture_samplerate) != paNoError) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("sales audio capture create error, cannot open audio input device, and current capture sample rate is %d.",audio_cap->iaudio_capture_samplerate);
		return Error_AudioIN;
	}

	paError = Pa_OpenStream(&audio_cap->stream, &salesInParam, NULL, audio_cap->iaudio_capture_samplerate, 
		audio_cap->iaudio_capture_peroid * audio_cap->iaudio_capture_samplerate/1000, paClipOff|paDitherOff, &Sales_StreamCallback, audio_cap);

	if (paError != paNoError) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("port audio open sales stream failed! paError = %d", paError);
		return Error_AudioIN;
	}

	paError = Pa_StartStream(audio_cap->stream);
	if (paError != paNoError) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("port audio start sales stream failed! paError = %d", paError);
		return Error_AudioIN;
	}

	return Error_Succeed;
}


static void record_portaudio_capture_stop(rvc_audio_capture_t* audio_cap)
{
	if (NULL != audio_cap) {
		if (audio_cap->stream) {
			PaError Error = Pa_AbortStream(audio_cap->stream);
			if (paNoError != Error) {
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("Pa_AbortStream error.");
			}
			Error = Pa_CloseStream(audio_cap->stream);
			if (paNoError != Error) {
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("Pa_CloseStream error.");
			}
			audio_cap->stream = NULL;
		}
		audio_cap->iseriesnumber = 0;
	}
}
#else

static void audio_data_callback(const void* input, unsigned long audiolen, void* userdata)
{
	audio_capture_t* audio_cap = (audio_capture_t*)userdata;

	if (input) {
		int ileft = audiolen;
		int index = 0;
		while (audio_cap->uaudiolen + ileft >= RVC_AUDIO_BUFFER_LEN)
		{
			int ineed = RVC_AUDIO_BUFFER_LEN - audio_cap->uaudiolen;
			memcpy(audio_cap->paudio_buffer + audio_cap->uaudiolen, input + index, ineed);
			ileft -= ineed;
			audio_cap->uaudiolen += ineed;
			index += ineed;

			audio_frame frm;
			frm.bitspersample = 16;
			frm.format = 1;
			frm.data = audio_cap->paudio_buffer;
			frm.framesize = RVC_AUDIO_BUFFER_LEN;
			frm.nchannels = 1;
			frm.samplespersec = 8000;
			
			if (INT_MAX == audio_cap->iseriesnumber++) {
				audio_cap->iseriesnumber = 0;
			}
			frm.iseriesnumber = audio_cap->iseriesnumber;

			if (!audio_cap->shm_queue->InsertAudio(&frm)) {
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s:%d InsertAudio to shm_queue failed!", __FUNCTION__, __LINE__);
			}
			//else {
			//	DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s:%d InsertAudio to shm_queue success! and framesize is :%d, and shm_queue length is %d, frm.iseriesnumber = %d.", __FUNCTION__, __LINE__, frm.framesize, audio_cap->shm_queue->GetAudioLens(), frm.iseriesnumber);
			//}
			audio_cap->uaudiolen -= RVC_AUDIO_BUFFER_LEN;
		}

		if (ileft > 0){
			memcpy(audio_cap->paudio_buffer + audio_cap->uaudiolen, input + index, ileft);
			audio_cap->uaudiolen += ileft;
		}
	}

	return;
}


static int pulseaudio_capture_start(audio_capture_t* audio_cap)
{
	int iret = -1;

	capture_t* cap = audio_cap->parent;
	
	if (NULL != audio_cap->paudiocap){
		audiocap_param_t param = { 0 };
		int nId = audio_cap->paudiocap->audio_get_device_id(cap->config.strAudioIn.GetData(), true);
		if (nId == -1)
		{
			LogWarn(Severity_Middle, Error_Debug, ERROR_MOD_MEDIACONTROLLER_HANDFREEIN_INITFAIL, "hand free in device config error,please check");
			return Error_AudioIN;
		}

		param.ideviceid = nId;
		param.ichannels = 1;
		param.isampleformat = 3 /*PA_SAMPLE_S16LE*/;
		param.isamprate = 8000;
		param.flatency = 0.02;
		param.on_audio_callback = &audio_data_callback;
		param.user_data = audio_cap;

		audio_cap->paudiocap->set_audio_capture_params(&param);
		iret = audio_cap->paudiocap->start_audio_capture();
	}

	return iret;
}


static void pulseaudio_capture_stop(audio_capture_t* audio_cap)
{
	if (audio_cap->paudiocap) {
		audio_cap->paudiocap->stop_audio_capture();
	}
}


static void record_audio_data_callback(const void* input, unsigned long audiolen, void* userdata)
{
	rvc_audio_capture_t* audio_cap = (rvc_audio_capture_t*)userdata;

	if (input) {
		int ileft = audiolen;
		int index = 0;
		while (audio_cap->uaudiolen + ileft >= RVC_AUDIO_BUFFER_LEN)
		{
			int ineed = RVC_AUDIO_BUFFER_LEN - audio_cap->uaudiolen;
			memcpy(audio_cap->paudio_buffer + audio_cap->uaudiolen, input + index, ineed);
			ileft -= ineed;
			audio_cap->uaudiolen += ineed;
			index += ineed;

			audio_frame frm;
			frm.bitspersample = 16;
			frm.format = 1;
			frm.data = audio_cap->paudio_buffer;
			frm.framesize = RVC_AUDIO_BUFFER_LEN;
			frm.nchannels = 1;
			frm.samplespersec = 8000;
			frm.iseriesnumber = audio_cap->iseriesnumber++;

			if (audio_cap->iseriesnumber >= INT_MAX) {
				audio_cap->iseriesnumber = 0;
			}

			if (!audio_cap->audio_shm_queue->InsertAudio(&frm)) {
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s:%d InsertAudio to audio_shm_queue failed!", __FUNCTION__, __LINE__);
			}
			else {
				//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s:%d InsertAudio to audio_shm_queue success!", __FUNCTION__, __LINE__);
			}
			
			audio_cap->uaudiolen -= RVC_AUDIO_BUFFER_LEN;
		}

		if (ileft > 0) {
			memcpy(audio_cap->paudio_buffer + audio_cap->uaudiolen, input + index, ileft);
			audio_cap->uaudiolen += ileft;
		}
	}

	return;
}

static int record_pulseaudio_capture_start(rvc_audio_capture_t* audio_cap)
{	
	int iret = -1;

	rvc_sales_audio_capture_t* cap = audio_cap->parent;

	if (NULL != audio_cap->paudiocap) {
		audiocap_param_t param = { 0 };
		int nId = audio_cap->paudiocap->audio_get_device_id(cap->rvc_audio_config.strAudioIn.GetData(), true);
		if (nId == -1){
			LogWarn(Severity_Middle, Error_Debug, ERROR_MOD_MEDIACONTROLLER_HANDFREEIN_INITFAIL, "hand free in device config error,please check");
			return Error_AudioIN;
		}

		param.ideviceid = nId;
		param.ichannels = 1;
		param.isampleformat = 3 /*PA_SAMPLE_S16LE*/;
		param.isamprate = 8000;
		param.flatency = 0.02;
		param.on_audio_callback = &record_audio_data_callback;
		param.user_data = audio_cap;
		audio_cap->paudiocap->set_audio_capture_params(&param);
		iret = audio_cap->paudiocap->start_audio_capture();
	}

	return iret;
}


static void record_pulseaudio_capture_stop(rvc_audio_capture_t* audio_cap)
{
	if (audio_cap->paudiocap) {
		audio_cap->paudiocap->stop_audio_capture();
	}
}

#endif


static rvc_audio_capture_t *salesrecord_audio_capture_create(rvc_sales_audio_capture_t *cap)
{
	rvc_audio_capture_t *audio_cap = ZALLOC_T(rvc_audio_capture_t);
	if (audio_cap) {
		audio_cap->parent = cap;
		audio_cap->audio_shm_queue = new Clibaudioqueue(REC_COMMON_AUDIO_SALES_SHM_QUEUE);
		//audio_cap->remote_audio_queue = new Clibaudioqueue(REC_COMMON_REMOTEAUDIO_SHM_QUEUE);
		audio_cap->iseriesnumber = 0;
	}

#ifdef RVC_OS_LINUX
	audio_cap->paudio_buffer = new char[RVC_AUDIO_BUFFER_LEN];
	audio_cap->uaudiolen = 0;
#endif

	return audio_cap;
}

static void salesrecord_audio_capture_destroy(rvc_audio_capture_t *audio_cap)
{
	if (NULL != audio_cap){
		if (NULL != audio_cap->audio_shm_queue){
			delete audio_cap->audio_shm_queue;
			audio_cap->audio_shm_queue = NULL;
		}


#ifdef RVC_OS_LINUX
		if (NULL != audio_cap->paudio_buffer){
			delete audio_cap->paudio_buffer;
			audio_cap->paudio_buffer = NULL;
			audio_cap->uaudiolen = 0;
		}
#endif
		FREE(audio_cap);
	}
}


static audio_capture_t *audio_capture_create(capture_t *cap)
{
	audio_capture_t *audio_cap = ZALLOC_T(audio_capture_t);
	if (audio_cap) {
		audio_cap->parent = cap;
		audio_cap->shm_queue = new Clibaudioqueue(REC_COMMON_AUDIO_SHM_QUEUE);
		audio_cap->salesol_shm_queue = new Clibaudioqueue(REC_COMMON_AUDIO_SALESOL_SHM_QUEUE);
		audio_cap->iseriesnumber = 0;
#ifdef RVC_OS_LINUX
		audio_cap->paudio_buffer = new char[RVC_AUDIO_BUFFER_LEN];
		audio_cap->uaudiolen = 0;
#endif
	}
	return audio_cap;
}


static void audio_capture_destroy(audio_capture_t *audio_cap)
{
	delete audio_cap->shm_queue;
	audio_cap->shm_queue = NULL;
	delete audio_cap->salesol_shm_queue;
	audio_cap->salesol_shm_queue = NULL;

#ifdef RVC_OS_LINUX
	if (NULL != audio_cap->paudio_buffer) {
		delete audio_cap->paudio_buffer;
		audio_cap->paudio_buffer = NULL;
		audio_cap->uaudiolen = 0;
	}
#endif
	FREE(audio_cap);
}


static int audio_capture_start(audio_capture_t* audio_cap)
{
#ifdef RVC_OS_WIN
	return portaudio_capture_start(audio_cap);
#else
	return pulseaudio_capture_start(audio_cap);
#endif
}


static void audio_capture_stop(audio_capture_t* audio_cap)
{
#ifdef RVC_OS_WIN
	return portaudio_capture_stop(audio_cap);
#else
	return pulseaudio_capture_stop(audio_cap);
#endif
}


static int record_audio_capture_start(rvc_audio_capture_t* audio_cap)
{
#ifdef RVC_OS_WIN
	return record_portaudio_capture_start(audio_cap);
#else
	return record_pulseaudio_capture_start(audio_cap);
#endif
}


static void record_audio_capture_stop(rvc_audio_capture_t* audio_cap)
{
#ifdef RVC_OS_WIN
	return record_portaudio_capture_stop(audio_cap);
#else
	return record_pulseaudio_capture_stop(audio_cap);
#endif
}


static int calc_capture_mode(int width, int height, int *mode)
{
	const struct {
		int mode;
		int width;
		int height;
	} modes [] = {
		{VIDEOCAP_FRAME_SQCIF, VIDEOCAP_SQCIF_WIDTH, VIDEOCAP_SQCIF_HEIGHT},
		{VIDEOCAP_FRAME_QQVGA, VIDEOCAP_QQVGA_WIDTH, VIDEOCAP_QQVGA_HEIGHT},
		{VIDEOCAP_FRAME_QCIF, VIDEOCAP_QCIF_WIDTH, VIDEOCAP_QCIF_HEIGHT},
		{VIDEOCAP_FRAME_QVGA, VIDEOCAP_QVGA_WIDTH, VIDEOCAP_QVGA_HEIGHT},
		{VIDEOCAP_FRAME_CIF, VIDEOCAP_CIF_WIDTH, VIDEOCAP_CIF_HEIGHT},
		{VIDEOCAP_FRAME_VGA, VIDEOCAP_VGA_WIDTH, VIDEOCAP_VGA_HEIGHT},
		{VIDEOCAP_FRAME_4CIF, VIDEOCAP_4CIF_WIDTH, VIDEOCAP_4CIF_HEIGHT},
		{VIDEOCAP_FRAME_SVGA, VIDEOCAP_SVGA_WIDTH, VIDEOCAP_SVGA_HEIGHT},
		{VIDEOCAP_FRAME_NHD, VIDEOCAP_NHD_WIDTH, VIDEOCAP_NHD_HEIGHT},
		{VIDEOCAP_FRAME_SXGA, VIDEOCAP_SXGA_WIDTH, VIDEOCAP_SXGA_HEIGHT},
		{VIDEOCAP_FRAME_720P, VIDEOCAP_720P_WIDTH, VIDEOCAP_720P_HEIGHT},
		{VIDEOCAP_FRAME_1080P, VIDEOCAP_1080P_WIDTH, VIDEOCAP_1080P_HEIGHT},
	};
	int i;
	for (i = 0; i < array_size(modes); ++i) {
		if (modes[i].width == width && modes[i].height == height) {
			*mode = modes[i].mode;
			return 0;
		}
	}
	return Error_NotExist;
}

static int video_shm_enqueue(Clibvideoqueue *shm_queue, video_frame *frame, unsigned int ucaptime, int flags, int iframeid)
{
	videoq_frame tmp_frm;
	tmp_frm.data = frame->data[0];
	if (VIDEO_FORMAT_RGB24 == frame->format){
		tmp_frm.framesize = frame->width * frame->height * 3;
		tmp_frm.format = VIDEOQ_FORMAT_RGB24;
	}
	else {
		tmp_frm.framesize = frame->width * frame->height * 3/2;
		tmp_frm.format = VIDEOQ_FORMAT_I420;
	}

	tmp_frm.width = frame->width;
	tmp_frm.height = frame->height;
	tmp_frm.iframeid = iframeid;
	//unsigned int nowtime = y2k_time_now();
	if (!shm_queue->InsertVideo(&tmp_frm, flags, ucaptime)) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("caution: insert shm video failed!");
		return Error_Unexpect;
	} else {
		//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("insert shm video ok, and video frame id is %d.", tmp_frm.iframeid);
		return Error_Succeed;
	}
}


static void env_cap_on_frame(void *user_data, video_frame *frame)
{
	video_capture_t *video_cap = (video_capture_t *)user_data;
	capture_t *cap = video_cap->parent;
	int rc;

	video_cap->frame_id++;
	video_cap->ulastcaptime = y2k_time_now();

	//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("******************* env on frame, id=%d, ulastcaptime=%u", video_cap->frame_id, video_cap->ulastcaptime);
	//IplImage*img = NULL;
	//img = cvCreateImage(cvSize(frame->width,frame->height),IPL_DEPTH_8U,3);
	//img->imageData = (char*)frame->data[0];
	//cvSaveImage("./env.jpg", img, 0);
	//cvReleaseImageHeader(&img);

	rc = video_shm_enqueue(video_cap->snapshot_shm_queue, frame, video_cap->ulastcaptime, VIDEOQUEUE_FLAG_VERTICAL_FLIP, video_cap->frame_id);

	//static int isnapshot_shm_queue = 0;
	//if (isnapshot_shm_queue == 0) {
	//	video_frame_save_bmpfile("snapshot_shm_queue_1.bmp", frame);
	//	isnapshot_shm_queue++;
	//}

#ifdef DEVOPS_ON_PRD
#else
#ifdef RVC_OS_WIN
#else
	static int isnapshot_count = 0;
	if (video_cap->bsavephoto) {
		if ((video_cap->isaveinterval > 0) && (0 == video_cap->frame_id % (video_cap->isaveinterval * cap->config.video_env_fps)))
		{
			char strFileName[2 * MAX_PATH] = { 0 };
			snprintf(strFileName, 2 * MAX_PATH, "%s%s_%d.bmp", video_cap->strsavedir, video_cap->strphotoname, isnapshot_count++);
			video_frame_save_bmpfile(strFileName, frame);
		}
	}
	else {
		isnapshot_count = 0;
	}
#endif
#endif

	if (rc != Error_Succeed) 
	{
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("env snapshot queue enqueue failed! Error = %d, camera_type=%d.", rc, video_cap->camera_type);
	}
	else {
		//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("env snapshot queue enqueue[%d] success and camera_type=%d.", video_cap->frame_id, video_cap->camera_type);
	}
	// snapshot
	if (rc==Error_Succeed)
	{
		if (*cap->config.ref_env_capture_count) 
		{
#ifdef RVC_OS_WIN
			InterlockedDecrement(cap->config.ref_env_capture_count);
#else
			pthread_mutex_lock(cap->config.env_mutex);
			*(cap->config.ref_env_capture_count) -= 1;
			pthread_mutex_unlock(cap->config.env_mutex);
#endif
			LogEvent(Severity_Middle, MOD_EVENT_MEDIACONTROLLER_FINISHED_CAPTURE_ENV, "agent capture env ok, and capture env finished!");
		} 
		else if (*cap->config.ref_envopt_capture_count & 2) 
		{
#ifdef RVC_OS_WIN
			_InterlockedAnd(cap->config.ref_envopt_capture_count, 0xfffffffD);
#else
			pthread_mutex_lock(cap->config.envopt_mutex);
			LONG lcount = *(cap->config.ref_envopt_capture_count);
			*(cap->config.ref_envopt_capture_count) = (lcount & 0xfffffffD);
			pthread_mutex_unlock(cap->config.envopt_mutex);
#endif // RVC_OS_WIN
			if (*cap->config.ref_envopt_capture_count == 0) 
			{
				LogEvent(Severity_Middle, MOD_EVENT_MEDIACONTROLLER_FINISHED_CAPTURE_ENVOPT, "agent capture env ok, and capture env opt finished!");
			}
		}
	}
	// preview
	{
		video_frame preview_frame;
		video_frame_alloc(REC_COMMON_VIDEO_PREVIEW_WIDTH, REC_COMMON_VIDEO_PREVIEW_HEIGHT, VIDEO_FORMAT_RGB24, &preview_frame);
		uint8_t *src_data[4] = {frame->data[0] + 80*3, 0, 0, 0};
		sws_scale(video_cap->preview_sws_ctx, src_data, frame->linesize, 0, frame->height, preview_frame.data, preview_frame.linesize);
		video_shm_enqueue(video_cap->preview_shm_queue, &preview_frame, video_cap->ulastcaptime, 0, video_cap->frame_id);
		
		if (rc != Error_Succeed){
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("env preview_shm_queue enqueue failed, error = %d", rc);
		}
		else {
			//if (0 == video_cap->frame_id%10){
				//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("env preview_shm_queue enqueue[%d] success, and current video queue len is %d.", video_cap->frame_id, video_cap->preview_shm_queue->GetVideoLens());
			//}
		}
		video_frame_free(&preview_frame);

		//static int ipreview_shm_queue = 0;
		//char strname[MAX_PATH] = { 0 };
		//snprintf(strname, MAX_PATH, "env_preview_shm_queue_%d.bmp", ipreview_shm_queue++);
		//video_frame_save_bmpfile(strname, &preview_frame);
	}
	// rtp
	{
		video_frame rtp_frame;
		video_frame_alloc(REC_COMMON_VIDEO_RTP_ENV_WIDTH, REC_COMMON_VIDEO_RTP_ENV_HEIGHT, VIDEO_FORMAT_RGB24, &rtp_frame);
		uint8_t *src_data[4] = {frame->data[0] + (frame->height-1) * frame->linesize[0], 0, 0, 0};
		int src_linesize[4] = {-frame->linesize[0], 0, 0, 0};
		sws_scale(video_cap->rtp_sws_ctx, src_data, src_linesize, 0, frame->height, rtp_frame.data, rtp_frame.linesize);
		video_shm_enqueue(video_cap->rtp_shm_queue, &rtp_frame, video_cap->ulastcaptime, 0, video_cap->frame_id);
		if (rc != Error_Succeed) {
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("env rtp_shm_queue enqueue failed! Error = %d", rc);
		}
		else {
			//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("env rtp_shm_queue enqueue[%d] success, and current video queue len is %d.", video_cap->frame_id, video_cap->rtp_shm_queue->GetVideoLens());
		}

		//static int irtp_frame = 0;
		//if (irtp_frame == 0){
		//	video_frame_save_bmpfile("rtp_shm_queue.bmp", &rtp_frame);
		//	irtp_frame++;
		//}
		
#if 0
		static int i = 0;
		if (i == 0) {
			video_frame tmp_frame;
			video_frame_alloc(REC_COMMON_VIDEO_RTP_ENV_WIDTH, REC_COMMON_VIDEO_RTP_ENV_HEIGHT, VIDEO_FORMAT_RGB24, &tmp_frame);
			video_frame_fill_black(&tmp_frame);
			videoq_frame frm;
			frm.data = tmp_frame.data[0];
			video_cap->rtp_shm_queue->GetVideo(&frm, 0);
			video_frame_save_bmpfile("rtp_videoqueue_abc.bmp", &tmp_frame);
			video_frame_free(&tmp_frame);
			//video_frame_save_bmpfile("d:\\ab.bmp", &rtp_frame);
			i++;
		}
#endif
		video_frame_free(&rtp_frame);
	}
}

static void opt_cap_on_frame(void *user_data, video_frame *frame)
{
	video_capture_t *video_cap = (video_capture_t *)user_data;
	capture_t *cap = video_cap->parent;
	int rc;
	
	int rotate = 0;

	//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("opt on frame!");

	if (cap->config.video_opt_rotate == 90) {
		rotate = 1;
	} else if (cap->config.video_opt_rotate == 270) {
		rotate = -1;
	} else {
		//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("video_opt_rotate is not 90 or 270 return.");
		return;
	}

	video_cap->frame_id++;
	video_cap->ulastcaptime = y2k_time_now();
#ifdef RVC_OS_WIN // use IPP, it's fast
	// prepare for rotation
	video_frame rframe;
	video_frame_alloc(frame->height, frame->width, frame->format, &rframe);
	{
		IppiSize srcSize;
		srcSize.width = frame->width;
		srcSize.height = frame->height;
		IppiRect srcROI;
		srcROI.width = frame->width;
		srcROI.height = frame->height;
		srcROI.x = 0;
		srcROI.y = 0;
		IppiRect dstROI;
		dstROI.width = frame->height;
		dstROI.height = frame->width;
		dstROI.x = 0;
		dstROI.y = 0;

		ippiTranspose_8u_C3R(frame->data[0], frame->linesize[0], rframe.data[0], rframe.linesize[0], srcSize);
		
		IppiAxis flip;
		IppiSize Size;
		Size.width = rframe.width;
		Size.height = rframe.height;

		if (rotate == 1) {
			flip = ippAxsHorizontal;
			ippiMirror_8u_C3IR(rframe.data[0], rframe.linesize[0], Size, flip);
		} 
		else {
			flip = ippAxsVertical;
			ippiMirror_8u_C3IR(rframe.data[0], rframe.linesize[0], Size, flip);
		}
	}

	rc = video_shm_enqueue(video_cap->snapshot_shm_queue, &rframe, video_cap->ulastcaptime, 0, video_cap->frame_id);
#else
	rc = video_shm_enqueue(video_cap->snapshot_shm_queue, frame, video_cap->ulastcaptime, 0, video_cap->frame_id);
#endif

	if (rc != Error_Succeed) 
	{
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("opt snapshot queue enqueue shm failed! Error = %d, camera_type=%d", rc, video_cap->camera_type);
	}
	else {
		//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("opt snapshot queue enqueue[%d] success, and current video queue len is %d.", video_cap->frame_id, video_cap->snapshot_shm_queue->GetVideoLens());
	}

	//static int isnapshot_shm_queue = 0;
	//if (isnapshot_shm_queue == 0) {
	//	video_frame_save_bmpfile("opt_snapshot_shm_queue.bmp", &rframe);
	//	isnapshot_shm_queue++;
	//}

	// snapshot
	if (rc==Error_Succeed)
	{
		if (*cap->config.ref_opt_capture_count) 
		{
#ifdef RVC_OS_WIN
			InterlockedDecrement(cap->config.ref_opt_capture_count);
#else
			pthread_mutex_lock(cap->config.opt_mutex);
			*(cap->config.ref_opt_capture_count) -= 1;
			pthread_mutex_unlock(cap->config.opt_mutex);
#endif
			LogEvent(Severity_Middle, MOD_EVENT_MEDIACONTROLLER_FINISHED_CAPTURE_OPT, "agent capture opt ok, and capture opt finished!");
		} 
		else if (*cap->config.ref_envopt_capture_count&1) 
		{
#ifdef RVC_OS_WIN
			if (InterlockedDecrement(cap->config.ref_envopt_capture_count) == 0) 
#else
			pthread_mutex_lock(cap->config.envopt_mutex);
			*(cap->config.ref_envopt_capture_count) -= 1;
			pthread_mutex_unlock(cap->config.envopt_mutex);
			if (0 == *cap->config.ref_envopt_capture_count)
#endif
			{
				LogEvent(Severity_Middle, MOD_EVENT_MEDIACONTROLLER_FINISHED_CAPTURE_ENVOPT, "agent capture opt ok, and capture envopt finished!");
			}
		}
	}

	// rtp
	{
		video_frame rtp_frame = {0};
		video_frame_alloc(REC_COMMON_VIDEO_RTP_OPT_WIDTH, REC_COMMON_VIDEO_RTP_OPT_HEIGHT, VIDEO_FORMAT_RGB24, &rtp_frame);
#ifdef RVC_OS_WIN
		sws_scale(video_cap->rtp_sws_ctx, rframe.data, rframe.linesize, 0, rframe.height, rtp_frame.data, rtp_frame.linesize);
#else
		sws_scale(video_cap->rtp_sws_ctx, frame->data, frame->linesize, 0, frame->height, rtp_frame.data, rtp_frame.linesize);
#endif
		
		rc = video_shm_enqueue(video_cap->rtp_shm_queue, &rtp_frame, video_cap->ulastcaptime, 0, video_cap->frame_id);
		if (rc != Error_Succeed){
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("opt rtp_shm_queue enqueue shm failed! Error = %d, camera_type=%d", rc, video_cap->camera_type);
		}

		//static int irtp_frame = 0;
		//if (irtp_frame == 0){
		//	video_frame_save_bmpfile("opt_rtp_shm_queue.bmp", &rtp_frame);
		//	irtp_frame++;
		//}

		video_frame_free(&rtp_frame);
	}

	// preview
	{
		video_frame preview_frame;
		video_frame_alloc(REC_COMMON_VIDEO_PREVIEW_HEIGHT, REC_COMMON_VIDEO_PREVIEW_WIDTH, VIDEO_FORMAT_RGB24, &preview_frame);
#ifdef RVC_OS_WIN
		uint8_t *src_data[4] = {rframe.data[0] + rframe.linesize[0]*80, 0, 0, 0};
		sws_scale(video_cap->preview_sws_ctx, src_data, rframe.linesize, 0, REC_COMMON_VIDEO_SNAPSHOT_PREVIEW_WIDTH, preview_frame.data, preview_frame.linesize);
#else
		uint8_t* src_data[4] = { frame->data[0] + frame->linesize[0] * 80, 0, 0, 0 };
		sws_scale(video_cap->preview_sws_ctx, src_data, frame->linesize, 0, REC_COMMON_VIDEO_SNAPSHOT_PREVIEW_WIDTH, preview_frame.data, preview_frame.linesize);
#endif
		video_shm_enqueue(video_cap->preview_shm_queue, &preview_frame, video_cap->ulastcaptime, 1, video_cap->frame_id);
			
		//static int ipreview_shm_queue = 0;
		//char strname[MAX_PATH] = { 0 };
		//snprintf(strname, MAX_PATH, "opt_preview_shm_queue_%d.bmp", ipreview_shm_queue++);
		//video_frame_save_bmpfile(strname, &preview_frame);

		video_frame_free(&preview_frame);
	}

#ifdef RVC_OS_WIN
	video_frame_free(&rframe);
#endif
}

static video_capture_t *video_capture_create(capture_t *cap, int camera_type)
{
	video_capture_t *video_cap = ZALLOC_T(video_capture_t);
	if (video_cap) {
		video_cap->parent = cap;
		video_cap->camera_type = camera_type;
		video_cap->frame_id = 0;
#ifdef DEVOPS_ON_PRD
#else
#ifdef RVC_OS_WIN
#else
		video_cap->bsavephoto = false;
		memset(video_cap->strsavedir, 0, MAX_PATH);
		memset(video_cap->strphotoname, 0, MAX_PATH);
		video_cap->isaveinterval = 0;
#endif
#endif
		if (camera_type == CAMERA_TYPE_ENV) {
			video_cap->snapshot_shm_queue = new Clibvideoqueue(REC_COMMON_VIDEO_ENV_SHM_SNAPSHOT_QUEUE);
			video_cap->rtp_shm_queue = new Clibvideoqueue(REC_COMMON_VIDEO_ENV_SHM_RTP_QUEUE);
			video_cap->rtp_sws_ctx = sws_getContext(REC_COMMON_VIDEO_SNAPSHOT_WIDTH, 
				REC_COMMON_VIDEO_SNAPSHOT_HEIGHT,
				AV_PIX_FMT_BGR24,
				REC_COMMON_VIDEO_RTP_ENV_WIDTH,
				REC_COMMON_VIDEO_RTP_ENV_HEIGHT, 
				AV_PIX_FMT_BGR24,
				SWS_POINT, NULL, NULL, NULL);
			video_cap->preview_shm_queue = new Clibvideoqueue(REC_COMMON_VIDEO_ENV_SHM_PREVIEW_QUEUE);
			video_cap->preview_sws_ctx = sws_getContext(REC_COMMON_VIDEO_SNAPSHOT_PREVIEW_WIDTH,
				REC_COMMON_VIDEO_SNAPSHOT_PREVIEW_HEIGHT, 
				AV_PIX_FMT_BGR24,
				REC_COMMON_VIDEO_PREVIEW_WIDTH,
				REC_COMMON_VIDEO_PREVIEW_HEIGHT,
				AV_PIX_FMT_BGR24,
				SWS_FAST_BILINEAR, NULL, NULL, NULL);
		} 
		else {
			video_cap->snapshot_shm_queue = new Clibvideoqueue(REC_COMMON_VIDEO_OPT_SHM_SNAPSHOT_QUEUE);
			video_cap->rtp_shm_queue = new Clibvideoqueue(REC_COMMON_VIDEO_OPT_SHM_RTP_QUEUE);
			video_cap->rtp_sws_ctx = sws_getContext(REC_COMMON_VIDEO_SNAPSHOT_HEIGHT, 
				REC_COMMON_VIDEO_SNAPSHOT_WIDTH,
				AV_PIX_FMT_BGR24,
				REC_COMMON_VIDEO_RTP_OPT_WIDTH, 
				REC_COMMON_VIDEO_RTP_OPT_HEIGHT,
				AV_PIX_FMT_BGR24,
				SWS_POINT, NULL, NULL, NULL);
			video_cap->preview_shm_queue = new Clibvideoqueue(REC_COMMON_VIDEO_OPT_SHM_PREVIEW_QUEUE);
			video_cap->preview_sws_ctx = sws_getContext(REC_COMMON_VIDEO_SNAPSHOT_PREVIEW_HEIGHT,
				REC_COMMON_VIDEO_SNAPSHOT_PREVIEW_WIDTH,
				AV_PIX_FMT_BGR24,
				REC_COMMON_VIDEO_PREVIEW_HEIGHT,
				REC_COMMON_VIDEO_PREVIEW_WIDTH,
				AV_PIX_FMT_BGR24,
				SWS_FAST_BILINEAR, NULL, NULL, NULL);
		}
	}
	return video_cap;
}

static void video_capture_destroy(video_capture_t *video_cap)
{
	if (video_cap) {
		if (video_cap->preview_sws_ctx) {
			sws_freeContext(video_cap->preview_sws_ctx);
			video_cap->preview_sws_ctx = NULL;
		}
		if (video_cap->rtp_sws_ctx) {
			sws_freeContext(video_cap->rtp_sws_ctx);
			video_cap->rtp_sws_ctx = NULL;
		}
		if (video_cap->snapshot_shm_queue) {
			delete video_cap->snapshot_shm_queue;
			video_cap->snapshot_shm_queue = NULL;
		}
		if (video_cap->rtp_shm_queue) {
			delete video_cap->rtp_shm_queue;
			video_cap->rtp_shm_queue = NULL;
		}
		if (video_cap->preview_shm_queue) {
			delete video_cap->preview_shm_queue;
			video_cap->preview_shm_queue = NULL;
		}
		FREE(video_cap);
	}
}


static int get_video_capture_fps(int icapfps)
{
	int ifps = REC_COMMON_VIDEO_RAW_FPS;

	if (icapfps <=30 && icapfps >=5){
		ifps = icapfps;
	}

	return ifps;
}

#ifdef RVC_OS_WIN
static int video_capture_start_win(video_capture_t* video_cap)
{
	if (NULL == video_cap) {
		return -1;
	}
	
	capture_config_t *conf = &video_cap->parent->config;
	if (NULL == conf) {
		return -1;
	}

	int dev_id;
	if (video_cap->camera_type == CAMERA_TYPE_ENV){
		dev_id = capture_get_video_device_id(conf->strVideoEnv);
		if (dev_id == -1) {
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("No environment camera,please check config file or device!");
			return -1;
		}
	}
	else{
		dev_id = capture_get_video_device_id(conf->strVideoOpt);
		if (dev_id == -1) {
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("No operation camera,please check config file or device!");
			return -1;
		}
	}
	videocap_param param = {0};
	int cap_mode;
	int rc = -1;
	rc = calc_capture_mode(REC_COMMON_VIDEO_SNAPSHOT_WIDTH, REC_COMMON_VIDEO_SNAPSHOT_HEIGHT, &cap_mode);
	if (rc != 0) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("calc cap_mode failed!");
		return rc;
	}

	param.cap_mode = cap_mode;
	param.dev_id = dev_id;
	param.frame_fmt = VIDEO_FORMAT_RGB24;
	param.cap_frame_format = VIDEO_FORMAT_YUY2;
	
	param.fps = REC_COMMON_VIDEO_RAW_FPS;

	param.on_frame = (video_cap->camera_type == CAMERA_TYPE_ENV ? &env_cap_on_frame : &opt_cap_on_frame);
	param.user_data = video_cap;
	param.option = 0;
	param.dbg = &__dbg;
	param.logevent = &__logevent;

	rc = videocap_create(&video_cap->cap, &param);
	if (rc != 0) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("videocap create failed!");
		return rc;
	}

	rc = videocap_start(video_cap->cap);
	if (rc != 0) {
		DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("videocap start failed!");
		videocap_destroy(video_cap->cap);
		video_cap->cap = NULL;
		return rc;
	}

	return 0;
}

#else

static void __videocaplog(void* user_data, const char* fmt, va_list arg)
{
	int n = vsnprintf(NULL, 0, fmt, arg);
	if (n >= MAX_PATH) {
		char* buf = (char*)malloc((size_t)(n + 1));
		vsnprintf(buf, n + 1, fmt, arg);
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s", buf);
		free(buf);
	}
	else {
		char strlog[MAX_PATH] = { 0 };
		vsnprintf(strlog, MAX_PATH, fmt, arg);
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%s", strlog);
	}
}


static int video_capture_start_linux(video_capture_t* video_cap)
{
	int iret = -1;
	capture_config_t* conf = &video_cap->parent->config;
	int dev_id = -1;
	if (video_cap->camera_type == CAMERA_TYPE_ENV){
		dev_id = rvc_videocap_get_video_device_id(conf->strVideoEnv.GetData());
		if (-1 == dev_id){
			DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("No environment camera[%s], please check config file or device!", conf->strVideoEnv.GetData());
			return iret;
		}
	}
	else{
		dev_id = rvc_videocap_get_video_device_id(conf->strVideoOpt.GetData());
		if (-1 == dev_id){
			DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("No operation camera[%s], please check config file or device!", conf->strVideoOpt.GetData());
			return iret;
		}
	}

	videocap_param_t t_param = { 0 };
	int cap_mode;
	int rc = calc_capture_mode(REC_COMMON_VIDEO_SNAPSHOT_WIDTH, REC_COMMON_VIDEO_SNAPSHOT_HEIGHT, &cap_mode);
	if (rc != 0){
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("calc cap_mode failed!");
		return iret;
	}

	t_param.cap_mode = cap_mode;
	t_param.dev_id = dev_id;
	t_param.frame_fmt = VIDEO_FORMAT_RGB24;
	t_param.fps = get_video_capture_fps(video_cap->camera_type == CAMERA_TYPE_ENV ? conf->video_env_fps : conf->video_opt_fps);
	t_param.irotate = (video_cap->camera_type == CAMERA_TYPE_ENV ? conf->video_env_rotate : conf->video_opt_rotate);

	t_param.on_frame = (video_cap->camera_type == CAMERA_TYPE_ENV ? &env_cap_on_frame : &opt_cap_on_frame);
	//t_param.on_frame_i420 = (video_cap->camera_type == CAMERA_TYPE_ENV ? &env_cap_on_frame_i420 : &opt_cap_on_frame_i420);
	t_param.user_data = video_cap;
	t_param.option = 0;

	videocap_callback_t t_callback = { 0 };
	t_callback.debug = &__videocaplog;
	t_callback.logevent = &__logevent;
	video_cap->pVideoCap = CreateVideoCaptureObj(&t_callback);
	if (NULL != video_cap->pVideoCap){
		if (0 == video_cap->pVideoCap->VideoCaptureSetParam(&t_param)) {
			if (0 == video_cap->pVideoCap->StartVideoCapture()) {
				iret = 0;
			}
			else {
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("VideoCap Start Video Capture failed!");
				DestroyVideoCaptureObj(video_cap->pVideoCap);
				video_cap->pVideoCap = NULL;
			}
		}
		else {
			DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("VideoCap Set Video Capture Param failed!");
			DestroyVideoCaptureObj(video_cap->pVideoCap);
			video_cap->pVideoCap = NULL;
		}
	}
	else{
		DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)(" Create Video Capture Obj failed!");
	}

	return iret;
}
#endif // RVC_OS_WIN


static int video_capture_start(video_capture_t *video_cap)
{
#ifdef RVC_OS_WIN
	return video_capture_start_win(video_cap);
#else
	return video_capture_start_linux(video_cap);
#endif
}

static void video_capture_stop(video_capture_t *video_cap)
{
#ifdef RVC_OS_WIN
	if (video_cap->cap) {
		videocap_stop(video_cap->cap);
		videocap_destroy(video_cap->cap);
		video_cap->cap = NULL;
	}
#else
	if (video_cap->pVideoCap) {
		video_cap->pVideoCap->StopVideoCapture();
		DestroyVideoCaptureObj(video_cap->pVideoCap);
		video_cap->pVideoCap = NULL;
	}
#endif // RVC_OS_WIN
}

namespace MediaController {

	DeviceTypeEnum g_eDeviceType;

	int capture_create(const capture_config_t *config, capture_t **p_cap, bool bstartaudio)
	{
		capture_t *cap = ZALLOC_T(capture_t);
		cap->handfree_audio = NULL;
		cap->env_video = NULL;
		cap->opt_video = NULL;
		memcpy(&cap->config, config, sizeof(capture_config_t));
		if (bstartaudio) {
			cap->handfree_audio = audio_capture_create(cap);
			if (!cap->handfree_audio) {
				DbgWithLink(LOG_LEVEL_ERROR, LOG_TYPE_SYSTEM)("create handfree audio capture object failed!");
				return Error_Unexpect;
			}
		}

		int dev_id_env = capture_get_video_device_id(config->strVideoEnv);
		if (dev_id_env != -1) {
			cap->env_video = video_capture_create(cap, CAMERA_TYPE_ENV);
			if (!cap->env_video) {
				DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("create env video object failed!");
				return Error_Unexpect;
			}
		}

		int dev_id_opt = -1;
		if (eStand2sType == g_eDeviceType){
			dev_id_opt = capture_get_video_device_id(config->strVideoOpt);
		}

		if (dev_id_opt != -1){
			cap->opt_video = video_capture_create(cap, CAMERA_TYPE_OPT);
			if (!cap->opt_video) {
				DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("create opt video object failed!");
				return Error_Unexpect;
			}
		}

		if((dev_id_env == -1)&&(dev_id_opt == -1)){
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("all camera device id error!");
			capture_destroy(cap);
			return Error_AllCamera;
		}
		else{
			*p_cap = cap;
			return Error_Succeed;
		}
	}

	ErrorCodeEnum capture_create(const capture_config_t *config, capture_t *cap, int nCamera)
	{
		int dev_id1 = capture_get_video_device_id(config->strVideoEnv);
		int dev_id2 = capture_get_video_device_id(config->strVideoOpt);
		if((dev_id1 != -1)&&(nCamera==ENVCAMERA)&&(cap->env_video == NULL)){
			cap->env_video = video_capture_create(cap, CAMERA_TYPE_ENV);
			if (!cap->env_video){
				DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("create env video object failed!");
				return Error_Unexpect;
			}
		}
		else if((dev_id2 != -1)&&(nCamera == OPTCAMERA)&&(cap->opt_video == NULL)){
			cap->opt_video = video_capture_create(cap, CAMERA_TYPE_OPT);
			if (!cap->opt_video) {
				DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("create opt video object failed!");
				return Error_Unexpect;
			}
		}
		else{
			return Error_Unexpect;
		}
		return Error_Succeed;
	}

	int salesaudio_capture_create(rvc_audio_capture_config_t *config, rvc_sales_audio_capture_t **p_cap)
	{
		rvc_sales_audio_capture_t *cap = ZALLOC_T(rvc_sales_audio_capture_t);
		cap->rvc_audio = NULL;
		memcpy(&cap->rvc_audio_config, config, sizeof(rvc_audio_capture_config_t));
		cap->rvc_audio = salesrecord_audio_capture_create(cap);
		if (!cap->rvc_audio) {
			DbgWithLink(LOG_LEVEL_ERROR, LOG_TYPE_SYSTEM)("create sales record audio capture object failed!");
			salesaudio_capture_destroy(cap);
			cap = NULL;
			return Error_Unexpect;
		}
		else
		{
			cap->rvc_audio->iaudio_capture_peroid = config->audio_capture_period;
			cap->rvc_audio->iaudio_capture_samplerate = config->audio_capture_samplerate;
			*p_cap = cap;
			return 0;
		}
	}

	void salesaudio_capture_destroy(rvc_sales_audio_capture_t *cap)
	{
		if (NULL != cap){
			if (cap->rvc_audio) {
				salesrecord_audio_capture_destroy(cap->rvc_audio);
				cap->rvc_audio = NULL;
			}
			FREE(cap);
		}
	}

	void capture_destroy(capture_t *cap)
	{
		if (cap) {
			if (cap->env_video) {
				video_capture_destroy(cap->env_video);
				cap->env_video = NULL;
			}
			if (cap->opt_video) {
				video_capture_destroy(cap->opt_video);
				cap->opt_video = NULL;
			}
			if (cap->handfree_audio) {
				audio_capture_destroy(cap->handfree_audio);
				cap->handfree_audio = NULL;
			}
			FREE(cap);
		}
	}

	void capture_destroy(capture_t *cap,int nCamera)
	{
		if (cap) 
		{
			if((cap->env_video)&&(nCamera == ENVCAMERA)) 
			{
				video_capture_destroy(cap->env_video);
				cap->env_video = NULL;
			}
			else if((cap->opt_video)&&(nCamera==OPTCAMERA)) 
			{
				video_capture_destroy(cap->opt_video);
				cap->opt_video = NULL;
			}
		}
	}

	ErrorCodeEnum start_audio_capture(audio_capture_t *paudio)
	{
		ErrorCodeEnum rslt = Error_Succeed;
		int rc = 0;

		if (NULL != paudio) {
			rc = audio_capture_start(paudio);
			if (rc != Error_Succeed) {
				rslt = (ErrorCodeEnum)rc;
				if (rslt == Error_AudioIN){
					DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("start audio In object failed! rc:%d", rc);
					LogWarn(Severity_Middle, Error_Debug,ERROR_MOD_MEDIACONTROLLER_HANDFREE_OPENFAIL,"open audioIn device fail,please check device");	
				} 
				else{
					DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("start audio Out object failed! rc:%d", rc);
					LogWarn(Severity_Middle, Error_Debug,ERROR_MOD_MEDIACONTROLLER_HANDFREE_OPENFAIL,"open audioOut device fail,please check device");	
				}
			}
		}
		else{
			rslt = Error_AudioIN;
		}

		return rslt;
	}

	static ErrorCodeEnum capture_start_envopt(capture_t *cap)
	{
		int rc = 0;

		if (cap->env_video) 
		{
			rc = video_capture_start(cap->env_video);
			if (rc != Error_Succeed) 
			{
				cap->env_video->ustarttime = 0;
				char strMessage[MAX_PATH*2] = {0};
				get_camera_exception_message(strMessage, MAX_PATH*2, cap->config.strVideoEnv, "open environ camera fail, please check device.");
				LogWarn(Severity_Middle,Error_NotInit,ERROR_MOD_MEDIACONTROLLER_ENVCAM_OPEN,strMessage);
				if (cap->opt_video) 
				{
					if (cap->env_video) 
					{
						rvc_sleep(cap->config.uintervaltime);
					}
					rc = video_capture_start(cap->opt_video);
					if (rc != Error_Succeed) 
					{
						cap->opt_video->ustarttime = 0;
						char strMessage[MAX_PATH*2] = {0};
						get_camera_exception_message(strMessage, MAX_PATH*2, cap->config.strVideoOpt, "open operate camera fail, please check device.");
						LogWarn(Severity_Middle,Error_NotInit,ERROR_MOD_MEDIACONTROLLER_OPTCAM_OPEN, strMessage);
						return Error_AllCamera;
					}
					else
					{
						cap->opt_video->ustarttime = y2k_time_now();
						LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_OPEN, "start optcam success.");
						return Error_EnvCamera;
					}
				}
				else
				{
					DbgWithLink(LOG_LEVEL_ERROR, LOG_TYPE_SYSTEM)("start all video capture object failed!");
					return Error_AllCamera;
				}
			}
			else
			{
				cap->env_video->ustarttime = y2k_time_now();
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_ENVCAM_OPEN, "start envcam success.");
				if (cap->opt_video) 
				{
					if (cap->env_video) 
					{
						rvc_sleep(cap->config.uintervaltime);
					}
					rc = video_capture_start(cap->opt_video);
					if (rc != Error_Succeed) 
					{
						cap->opt_video->ustarttime = 0;
						char strMessage[MAX_PATH*2] = {0};
						get_camera_exception_message(strMessage, MAX_PATH*2, cap->config.strVideoOpt, "open operate camera fail, please check device.");
						LogWarn(Severity_Middle,Error_NotInit,ERROR_MOD_MEDIACONTROLLER_OPTCAM_OPEN,strMessage);
						return Error_OptCamera;
					}
					else
					{
						cap->opt_video->ustarttime = y2k_time_now();
						LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_OPEN, "start optcam success.");
						return Error_Succeed;
					}		
				}
				else
				{
					return Error_OptCamera;
				}
			}
		}
		else
		{
			if (cap->opt_video) 
			{
				if (cap->env_video) 
				{
					rvc_sleep(cap->config.uintervaltime);
				}
				rc = video_capture_start(cap->opt_video);
				if (rc != Error_Succeed) 
				{
					cap->opt_video->ustarttime = 0;
					char strMessage[MAX_PATH*2] = {0};
					get_camera_exception_message(strMessage, MAX_PATH*2, cap->config.strVideoOpt, "open operate camera fail,please check device.");
					LogWarn(Severity_Middle,Error_NotInit,ERROR_MOD_MEDIACONTROLLER_OPTCAM_OPEN,strMessage);
					return Error_AllCamera;
				}
				else
				{
					cap->opt_video->ustarttime = y2k_time_now();
					LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_OPEN, "start optcam success.");
					return Error_EnvCamera;
				}
			}
			else
			{
				DbgWithLink(LOG_LEVEL_ERROR, LOG_TYPE_SYSTEM)("start env video Error_AllCamera");
				return Error_AllCamera;
			}
		}
	}

	ErrorCodeEnum capture_start(capture_t *cap, bool bstartaudio)
	{
		int rc = 0;

		if (bstartaudio) {
			if ('N' == cap->config.strAudioState[0] || 'P' == cap->config.strAudioState[0]) {
				ErrorCodeEnum rslt = start_audio_capture(cap->handfree_audio);
				if (Error_Succeed != rslt) {
					return rslt;
				}
			}
			else {
				DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("handfree audio is error, not start it.");
			}
		}

		return capture_start_envopt(cap);
	}

	ErrorCodeEnum capture_start(capture_t *cap,int nCamera)
	{
		int rc = 0;
		if (cap->env_video&&(nCamera==ENVCAMERA)) 
		{
			rc = video_capture_start(cap->env_video);
			if (rc != Error_Succeed) {
				cap->env_video->ustarttime = 0;
				return Error_Hardware;
			}
			else{
				cap->env_video->ustarttime = y2k_time_now();
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_ENVCAM_OPEN, "start envcam success.");
				return Error_Succeed;
			}
		}
		else if(cap->opt_video&&(nCamera==OPTCAMERA))
		{
			rc = video_capture_start(cap->opt_video);
			if (rc != Error_Succeed){
				cap->opt_video->ustarttime = 0;
				return Error_Hardware;
			}
			else{
				cap->opt_video->ustarttime = y2k_time_now();
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_OPEN, "start optcam success.");
				return Error_Succeed;
			}
		}
		else{
			return Error_Unexpect;
		}	
	}

	ErrorCodeEnum salesrecord_audio_capture_start(rvc_sales_audio_capture_t *cap)
	{
		auto rc = Error_Param;
		if (NULL == cap){
			return rc;
		}

		if (cap->rvc_audio) {
#ifdef RVC_OS_LINUX
			audiomgr_callback_t t_callback = { 0 };
			t_callback.debug = &__audiomgrlog;
			cap->rvc_audio->paudiocap = CreateAudioMgrObj(&t_callback);
			if (0 != cap->rvc_audio->paudiocap->audio_mgr_initialize()) {
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("audio manager initialize failed!");
				return Error_Null;
			}
#endif
			int rslt = record_audio_capture_start(cap->rvc_audio);
			if (rslt != Error_Succeed) {
				if (Error_AudioIN == rslt){
					DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("start audio In object failed! rc:%d", rc);
					LogWarn(Severity_Middle, Error_Debug,ERROR_MOD_MEDIACONTROLLER_HANDFREE_OPENFAIL,"open audioIn device fail,please check device");	
				} 
				rc = (ErrorCodeEnum)rslt;
			}
			else{
				rc = Error_Succeed;
			}
		}

		return rc;
	}

	void salesrecord_audio_capture_stop(rvc_sales_audio_capture_t *cap)
	{
		if (NULL != cap){
			if (cap->rvc_audio){
				record_audio_capture_stop(cap->rvc_audio);

#ifdef RVC_OS_LINUX
				if (NULL != cap->rvc_audio->paudiocap) {
					DestroyIAudioMgrObj(cap->rvc_audio->paudiocap);
					cap->rvc_audio->paudiocap = NULL;
				}
#endif // RVC_OS_LINUX
			}
		}
		else{
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_SYSTEM)("sales record audio capture stop failed for param error.");
		}
	}

	void capture_stop(capture_t *cap)
	{
		if (cap->handfree_audio) {
			audio_capture_stop(cap->handfree_audio);
		}

		if (cap->env_video) {
			if (0 != cap->env_video->ustarttime) {
				int ienvtime = y2k_time_now() - cap->env_video->ustarttime;
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_ENVCAM_CLOSE, CSimpleStringA::Format("stop envcam, and camera open time is %us.", ienvtime).GetData());
				if (ienvtime >= 1) {
					float fenvframerate = (float)((float)cap->env_video->frame_id / (float)ienvtime);
					LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_ENVCAM_FRAME_INFO, CSimpleStringA::Format("env camera frame info is dest frame number is %d(%us), real frame number is %d, difference is %d, real frmerate is %.2ffps.", ienvtime * cap->config.video_env_fps, ienvtime, cap->env_video->frame_id, ienvtime * cap->config.video_env_fps - cap->env_video->frame_id, fenvframerate).GetData());
				}
			}
			video_capture_stop(cap->env_video);
		}
		if (cap->opt_video) {
			if (0 != cap->opt_video->ustarttime) {
				int iopttime = y2k_time_now() - cap->opt_video->ustarttime;
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_CLOSE, CSimpleStringA::Format("stop optcam, and camera open time is %us.", iopttime).GetData());
				if (iopttime >= 1) {	
					float foptframerate = (float)((float)cap->opt_video->frame_id / (float)iopttime);
					LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_FRAME_INFO, CSimpleStringA::Format("opt camera frame info is dest frame number is %d(%us), real frame number is %d, difference is %d, real frmerate is %.2ffps.", iopttime * cap->config.video_opt_fps, iopttime, cap->opt_video->frame_id, iopttime * cap->config.video_opt_fps - cap->opt_video->frame_id, foptframerate).GetData());
				}
			}
			video_capture_stop(cap->opt_video);
		}
	}

	int capture_detect_camera_bug(capture_t *cap, int *env_n, int *opt_n, bool bsinglecam)
	{
		*env_n = 0;
		*opt_n = 0;
		if (cap->env_video) 
		{
			if (cap->env_video->rtp_shm_queue) 
			{
				*env_n  = cap->env_video->rtp_shm_queue->GetVideoLens();
			}
		} 
		else 
		{
			*env_n = -1;
		}

		if (cap->opt_video) 
		{
			if (cap->opt_video->rtp_shm_queue) 
			{
				*opt_n  = cap->opt_video->rtp_shm_queue->GetVideoLens();
			}
		} 
		else 
		{
			if (!bsinglecam)
			{		
				*opt_n = -1;
			}
			else
			{
				*opt_n = 1;
			}
		}
		return 0;
	}

	//摄像头没打开返回0，其他情况返回视频队列中最后一幅图像时间
	int capture_get_last_frametime(capture_t *cap, unsigned int*env_n, unsigned int*opt_n)
	{
		*env_n = 0;
		*opt_n = 0;
		if (cap->env_video) 
		{
			if (cap->env_video->rtp_shm_queue) 
			{
				*env_n  = cap->env_video->rtp_shm_queue->GetLastFrameTime();
			}
		} 


		if (cap->opt_video) 
		{
			if (cap->opt_video->rtp_shm_queue) 
			{
				*opt_n  = cap->opt_video->rtp_shm_queue->GetLastFrameTime();
			}
		} 

		return 0;
	}

	int capture_get_video_device_id(const char *dev_name)
	{
#ifdef RVC_OS_WIN
		int n = videocap_get_device_count();
		for (int i = 0; i < n; ++i) {
			WCHAR tmp[256];
			char t[256];
			WCHAR tmp1[256];
			char t1[256];
			videocap_get_device_name(i, tmp, ARRAYSIZE(tmp));
			WideCharToMultiByte(CP_ACP, 0, tmp, -1, t, sizeof(t), 0, NULL);
			videocap_get_device_path(i, tmp1, ARRAYSIZE(tmp1));
			WideCharToMultiByte(CP_ACP, 0, tmp1, -1, t1, sizeof(t1), 0, NULL);

			char t2[256];
			strcpy(t2,t1);
			for (int j = 0; j < strlen(t2); ++j)
			{
				t2[j] = toupper(t2[j]);
				if (t2[j] == '#') t2[j] = '\\';
			}
			{
				unsigned char x[MD5_DIGESTSIZE];
				md5_ctx_t ctx;
				md5_init(&ctx);
				md5(x, t1, strlen(t1));
				Bin2Str(x, sizeof(x), t1, sizeof(t1));
			}
		
			if (dev_name != NULL && strlen(dev_name) > 1 && strstr(dev_name, ";") == NULL) {
				//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("[dbg] device_path: %s",t2);
				if (strstr(t2,dev_name) != NULL) {
					return i;
				}

				if (strcmp(dev_name, t) == 0) {
					return i;
				}
			}
			else
			{
				strcat(t, ";");
				strcat(t, t1);
				if (strcmp(dev_name, t) == 0) {
					return i;
				}
			}
		}
		return -1; // not found
#else
		return rvc_videocap_get_video_device_id(dev_name);
#endif // RVC_OS_WIN
	}

	int capture_lib_init(int *ivideonum)
	{
		int icamnum = 0;
		CSimpleStringA strCamInfoJson("");
		CSimpleStringA strCamListInfoJson("");
		cJSON* array = cJSON_CreateArray();
		cJSON* root = cJSON_CreateObject();

#ifdef RVC_OS_WIN
		HRESULT hr = CoInitialize(NULL);
		int rc;

		{
			HMODULE hModule = GetModuleHandleA("MSVCR100.dll");
			if (hModule) {
				typedef char* (*f_setlocale)(int, const char*);
				f_setlocale f = (f_setlocale)GetProcAddress(hModule, "setlocale");
				(*f)(LC_ALL, "chs");
			}
		}

		if (SUCCEEDED(hr)) {
			PaError Error;
			Error = Pa_Initialize();
			if (Error == paNoError) {
				rc = videoframework_init();
				if (rc != 0) {
					DbgWithLink(LOG_LEVEL_ERROR, LOG_TYPE_SYSTEM)("videoframework_init failed, rc=%d", rc);
					return Error_Resource;
				}
			}
			else {
				DbgWithLink(LOG_LEVEL_ERROR, LOG_TYPE_SYSTEM)("PaInitialize failed, rc=%d", Error);
				return Error_Resource;
			}
		}
		else {
			DbgWithLink(LOG_LEVEL_ERROR, LOG_TYPE_SYSTEM)("coinitialze failed! hr:%d", hr);
			return Error_Resource;
		}

		{
			icamnum = videocap_get_device_count();
			//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("camera count is %d.", icamnum);
			for (int i = 0; i < icamnum; ++i) {
				WCHAR tmp[256] = {0};
				char t[256] = {0};
				WCHAR tmp1[256] ={0};
				char t1[256] = {0};
				WCHAR tmp2[256] = { 0 };
				char t2[256] = { 0 };
				videocap_get_device_name(i, tmp, ARRAYSIZE(tmp));
				WideCharToMultiByte(CP_ACP, 0, tmp, -1, t, sizeof(t), 0, NULL);
				videocap_get_device_path(i, tmp1, ARRAYSIZE(tmp1));
				WideCharToMultiByte(CP_ACP, 0, tmp1, -1, t1, sizeof(t1), 0, NULL);
				//videocap_get_device_instanceid(i, tmp2, ARRAYSIZE(tmp2));
				//WideCharToMultiByte(CP_ACP, 0, tmp2, -1, t2, sizeof(t2), 0, NULL);

				cJSON* pobject = cJSON_CreateObject();
				cJSON_AddItemToObject(pobject, "DevicePath", cJSON_CreateString(t1));
				cJSON_AddItemToObject(pobject, "DeviceInstanceId", cJSON_CreateString(t2));
				cJSON_AddItemToObject(pobject, "FriendlyName", cJSON_CreateString(t));
				cJSON_AddItemToArray(array, pobject);

				{
					unsigned char x[MD5_DIGESTSIZE] = {0};
					md5_ctx_t ctx;
					md5_init(&ctx);
					md5(x, t1, strlen(t1));
					Bin2Str(x, sizeof(x), t1, sizeof(t1));
				}
				//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%d = %s;%s", i, t, t1);
				strCamInfoJson += CSimpleStringA::Format("\"%d\":\"%s;%s\",", i, t, t1);
			}

		}

		{
			int icnt, ocnt;
			rc = audio_get_dev_count(&icnt, &ocnt);
			if (rc == 0) {
				int i;
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("audio input devices(%d):", icnt);
				for (i = 0; i < icnt; ++i) {
					CSimpleStringA str = audio_get_dev_name(true, i);
					DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%d = %s", i, str.GetData());
				}
				DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("audio output devices(%d):", ocnt);
				for (i = 0; i < ocnt; ++i) {
					CSimpleStringA str = audio_get_dev_name(false, i);
					DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%d = %s", i, str.GetData());
				}
			}
		}

#else
		{
			int inumber = 0;
			icamnum = rvc_videocap_get_device_count();
			//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("camera count is %d.", icamnum);
			for (int i = 0; i < 64 && inumber < icamnum; ++i) {
				char strcamera[2 * MAX_PATH] = { 0 };
				char strpath[MAX_PATH] = { 0 };

				if (0 == rvc_videocap_get_device_fullpathname(i, strcamera, 2 * MAX_PATH)){
					//DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_SYSTEM)("%d = %s", inumber, strcamera);
					strCamInfoJson += CSimpleStringA::Format("\"%d\":\"%s\",", inumber, strcamera);
					inumber++;

					rvc_camera_info_t pcamerainfo;
					memset(&pcamerainfo, 0, sizeof(rvc_camera_info_t));
					if (0 == rvc_videocap_get_camera_infos(i, &pcamerainfo)) {
						cJSON* pobject = cJSON_CreateObject();
						cJSON_AddItemToObject(pobject, "driver", cJSON_CreateString(pcamerainfo.strdriver));
						cJSON_AddItemToObject(pobject, "card", cJSON_CreateString(pcamerainfo.strcard));
						cJSON_AddItemToObject(pobject, "bus_info", cJSON_CreateString(pcamerainfo.strbus_info));
						cJSON_AddItemToArray(array, pobject);
					}
				}
			}
		}
#endif // RVC_OS_WIN

		if (icamnum > 0) {
			LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_CAMERA_COUNT, CSimpleStringA::Format("camera number is %d.", icamnum).GetData());
			if (strCamInfoJson.GetLength() > 0) {
				strCamInfoJson[strCamInfoJson.GetLength() - 1] = '\0';
			}
			LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_GETCAMERA_INFOS, CSimpleStringA::Format("[{%s}]", strCamInfoJson.GetData()).GetData());
		
			cJSON_AddItemToObject(root, "CameraDevInfo", array);
			char* pjsonstr = cJSON_Print(root);
			strCamListInfoJson = pjsonstr;
			cJSON_free(pjsonstr);
			DbgWithLink(LOG_LEVEL_INFO, LOG_TYPE_USER).setLogCode("QLR0402208V1").setAPI("RvcMedia_GetCameraDevInfo")(CSimpleStringA::Format("%s", strCamListInfoJson.GetData()).GetData());
		}
		else {
			cJSON_Delete(array);
			DbgWithLink(LOG_LEVEL_WARN, LOG_TYPE_USER).setLogCode("QLR0402208V1").setResultCode("RTA280A")("获取摄像头列表失败，找不到摄像头");
		}

		*ivideonum = icamnum;
		cJSON_Delete(root);

		return Error_Succeed;
	}

    void capture_lib_term()
	{
#ifdef RVC_OS_WIN
		Pa_Terminate();
		videoframework_term();
		CoUninitialize();
#else

#endif // RVC_OS_WIN
	}

	bool capture_adj_brightness(capture_t *cap,int nvalue,ErrorCodeEnum nCode)
	{
#ifdef RVC_OS_WIN
		HRESULT rst = S_OK;
		if (cap && cap->env_video&&(nCode!=Error_EnvCamera)&&(nCode!=Error_AllCamera))
		{
			rst = videocap_adj_brightness(cap->env_video->cap,nvalue);
		}
		HRESULT rst2 = S_OK;
		if (cap && cap->opt_video&&(nCode!=Error_OptCamera)&&(nCode!=Error_AllCamera))
		{
			rst2 = videocap_adj_brightness(cap->opt_video->cap,nvalue);
		}
		if (SUCCEEDED(rst) && SUCCEEDED(rst2)) {
			return true;
		}
		else {
			return false;
		}
			
#else
		int ienv = -1;
		if (cap && cap->env_video && cap->env_video->pVideoCap && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)){
			ienv = cap->env_video->pVideoCap->SetCamBrightness(nvalue, false);
		}
		int iopt = -1;
		if (cap && cap->opt_video && cap->opt_video->pVideoCap && (nCode != Error_OptCamera) && (nCode != Error_AllCamera)){
			iopt = cap->opt_video->pVideoCap->SetCamBrightness(nvalue, false);
		}

		if (0 == ienv && 0 == iopt){
			return true;
		}
		else{
			return false;
		}
#endif // RVC_OS_WIN
	}

	bool capture_set_autobrightness(capture_t *cap,ErrorCodeEnum nCode)
	{
#ifdef RVC_OS_WIN
		HRESULT rst = S_OK;
		HRESULT rst2 = S_OK;
		if (cap && cap->env_video && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)){
			rst = videocap_set_autobrightness(cap->env_video->cap);
		}

		if (cap && cap->opt_video && (nCode != Error_OptCamera) && (nCode != Error_AllCamera)){
			rst2 = videocap_set_autobrightness(cap->opt_video->cap);
		}

		if (SUCCEEDED(rst) && SUCCEEDED(rst2)) {
			return true;
		}
		else {
			return false;
		}
#else
		int ienv = -1;
		int iopt = -1;
		if (cap && cap->env_video && cap->env_video->pVideoCap && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera))
		{
			ienv = cap->env_video->pVideoCap->SetCamAutoBrightness();
		}

		if (cap && cap->opt_video && cap->opt_video->pVideoCap && (nCode != Error_OptCamera) && (nCode != Error_AllCamera))
		{
			iopt = cap->opt_video->pVideoCap->SetCamAutoBrightness();
		}

		if (0 == ienv && 0 == iopt) {
			return true;
		}
		else {
			return false;
		}
			
#endif // RVC_OS_WIN
	}

	int capture_get_brightness(capture_t *cap, ErrorCodeEnum nCode)
	{
#ifdef RVC_OS_WIN
		int nValue1 = 0;
		int nValue2 = 0;
		HRESULT rst = S_OK;
		if (cap && cap->env_video && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera))
		{
			rst = videocap_get_brightness(cap->env_video->cap, &nValue1);
		}
		HRESULT rst2 = S_OK;
		if (cap && cap->opt_video && (nCode != Error_OptCamera) && (nCode != Error_AllCamera))
		{
			rst2 = videocap_get_brightness(cap->opt_video->cap, &nValue2);
		}
		else
		{
			return -1;
		}

		if (cap && (cap->opt_video == NULL) && cap->env_video)
		{
			return nValue1;
		}
		else if (cap && (cap->env_video == NULL) && cap->opt_video)
		{
			return nValue2;
		}
		else
		{
			if (SUCCEEDED(rst) && SUCCEEDED(rst2)) {
				return (nValue1 <= nValue2) ? nValue1 : nValue2;
			}
			else {
				return -1;
			}
		}
#else
		int nValue1 = 0;
		int nValue2 = 0;
		int ienv = -1;
		if (cap && cap->env_video && cap->env_video->pVideoCap && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)){
			ienv = cap->env_video->pVideoCap->GetCamBrightness(&nValue1, false);
		}

		int iopt = -1;
		if (cap && cap->opt_video && cap->opt_video->pVideoCap && (nCode != Error_OptCamera) && (nCode != Error_AllCamera)){
			iopt = cap->opt_video->pVideoCap->GetCamBrightness(&nValue2, false);
		}
		else{
			return -1;
		}

		if (cap && (cap->opt_video == NULL) && cap->env_video)
		{
			return nValue1;
		}
		else if (cap && (cap->env_video == NULL) && cap->opt_video)
		{
			return nValue2;
		}
		else
		{
			if (0 == ienv && 0 == iopt) {
				return (nValue1 <= nValue2) ? nValue1 : nValue2;
			}
			else
			{
				return -1;
			}
		}
#endif // RVC_OS_WIN
	}

	int capture_get_camera_brightness(int* ibrightness, capture_t* cap, ErrorCodeEnum nCode, int icameraid)
	{
		int iret = -1;

#ifdef RVC_OS_WIN
		if (0 == icameraid) {
			if (cap && cap->env_video && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)){
				if (S_OK == videocap_get_brightness(cap->env_video->cap, ibrightness)) {
					iret = 0;
				}
			}
		}
		else if (1 == icameraid) {
			if (cap && cap->opt_video && (nCode != Error_OptCamera) && (nCode != Error_AllCamera)){
				if (S_OK == videocap_get_brightness(cap->opt_video->cap, ibrightness)) {
					iret = 0;
				}
			}
		}
#else
		if (0 == icameraid) {
			if (cap && cap->env_video && cap->env_video->pVideoCap && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)) {
				iret = cap->env_video->pVideoCap->GetCamBrightness(ibrightness, false);
			}
		}
		else if(1 == icameraid){
			if (cap && cap->opt_video && cap->opt_video->pVideoCap && (nCode != Error_OptCamera) && (nCode != Error_AllCamera)) {
				iret = cap->opt_video->pVideoCap->GetCamBrightness(ibrightness, false);
			}
		}
#endif // RVC_OS_WIN
		return iret;
	}

	int capture_set_camera_brightness(int ibrightness, capture_t* cap, ErrorCodeEnum nCode, int icameraid)
	{
		int iret = -1;
#ifdef RVC_OS_WIN
		if (0 == icameraid) {
			if (cap && cap->env_video && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)){
				if (S_OK == videocap_adj_brightness(cap->env_video->cap, ibrightness)) {
					iret = 0;
				}
			}
		}
		else if (1 == icameraid) {
			if (cap && cap->opt_video && (nCode != Error_OptCamera) && (nCode != Error_AllCamera)){
				if (S_OK == videocap_adj_brightness(cap->opt_video->cap, ibrightness)) {
					iret = 0;
				}
			}
		}
#else
		if (0 == icameraid) {
			if (cap && cap->env_video && cap->env_video->pVideoCap && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)) {
				iret = cap->env_video->pVideoCap->SetCamBrightness(ibrightness, false);
			}
		}
		else if (1 == icameraid) {
			if (cap && cap->opt_video && cap->opt_video->pVideoCap && (nCode != Error_OptCamera) && (nCode != Error_AllCamera)) {
				iret = cap->opt_video->pVideoCap->SetCamBrightness(ibrightness, false);
			}
		}
#endif // RVC_OS_WIN
		return iret;
	}

	int capture_get_env_rawbrightnessinfo(capture_t* cap, ErrorCodeEnum nCode, int* imin, int* imax)
	{
		int iret = -1;
#ifdef RVC_OS_WIN

#else
		if (cap && cap->env_video && cap->env_video->pVideoCap && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)) {
			if (cap->env_video->pVideoCap->GetCamRawBrightnessRange(imin, imax)) {
				//DbgWithLink(LOG_LEVEL_DEBUG, LOG_TYPE_SYSTEM)("min brightness is %d, max brightness is %d.", *imin, *imax);
				iret = 0;
			}
		}

#endif // RVC_OS_WIN

		return iret;
	}
	

	int capture_set_env_rawbrightness(capture_t* cap, ErrorCodeEnum nCode, int ibrightness)
	{
		int iret = -1;
#ifdef RVC_OS_WIN

#else
		if (cap && cap->env_video && cap->env_video->pVideoCap && (nCode != Error_EnvCamera) && (nCode != Error_AllCamera)) {
			if (0 == cap->env_video->pVideoCap->SetCamBrightness(ibrightness, true)) {
				iret = 0;
			}
		}

#endif // RVC_OS_WIN

		return iret;
	}


	int stopcamera(capture_t *cap,int nCamera)
	{
		if((nCamera == ENVCAMERA)&&cap->env_video)
		{
			video_capture_stop(cap->env_video);
			if (0 != cap->env_video->ustarttime) {
				int ienvtime = y2k_time_now() - cap->env_video->ustarttime;
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_ENVCAM_CLOSE, CSimpleStringA::Format("stop envcam, and camera open time is %us.", ienvtime).GetData());
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_ENVCAM_FRAME_INFO, CSimpleStringA::Format("env camera frame info is dest frame number is %d(%us), real frame number is %d, difference is %d.", ienvtime * cap->config.video_env_fps, ienvtime, cap->env_video->frame_id, ienvtime * cap->config.video_env_fps - cap->env_video->frame_id).GetData());
			}

			video_capture_destroy(cap->env_video);
			cap->env_video = NULL;
			return 0;
		}
		else if((nCamera == OPTCAMERA)&&cap->opt_video)
		{
			video_capture_stop(cap->opt_video);
			if (0 != cap->opt_video->ustarttime) {
				int iopttime = y2k_time_now() - cap->opt_video->ustarttime;
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_CLOSE, CSimpleStringA::Format("stop optcam, and camera open time is %us.", iopttime).GetData());
				LogWarn(Severity_Low, Error_Debug, LOG_EVT_MEDIACONTROLLER_OPTCAM_FRAME_INFO, CSimpleStringA::Format("opt camera frame info is dest frame number is %d(%us), real frame number is %d, difference is %d.", iopttime * cap->config.video_opt_fps, iopttime, cap->opt_video->frame_id, iopttime * cap->config.video_opt_fps - cap->opt_video->frame_id).GetData());
			}

			video_capture_destroy(cap->opt_video);

			cap->opt_video = NULL;

			return 0;
		}
		else
		{
			return -1;
		}
	}

	void capture_clearsnapshotvideo(capture_t *cap,int nCamera)
	{
		if((nCamera == ENVCAMERA)&&cap->env_video)
		{
			cap->env_video->snapshot_shm_queue->ClearVideoQueue();
			return;
		}
		else if((nCamera == OPTCAMERA)&&cap->opt_video)
		{
			cap->opt_video->snapshot_shm_queue->ClearVideoQueue();
			return;
		}
		else if(nCamera == AlLCAMERA)
		{
			if (cap->env_video)
			{
				cap->env_video->snapshot_shm_queue->ClearVideoQueue();
			}
			if (cap->opt_video)
			{
				cap->opt_video->snapshot_shm_queue->ClearVideoQueue();
			}
			return;
		}
		else
		{
			return ;
		}
	}

	int get_camera_exception_message(char* pBuffer, size_t uLen, CSimpleStringA strDeviceName, const char* strErrorMessage)
	{
		int iRet = 0;

		if (strDeviceName.GetLength() > 0){
			const char* strCameraName = strDeviceName.GetData();
			char strBuffer[MAX_PATH] = {0};
			if (snprintf(strBuffer, MAX_PATH, "%s", strCameraName) > 0){
				char *pIndex = NULL;
				if (pIndex = (char*)strstr(strBuffer, ";")){
					*pIndex = '\0';
				}
			}
			if (NULL != strErrorMessage){
				size_t uDataLen = strlen(strBuffer);
				size_t uErrorLen = strlen(strErrorMessage);
				if (uLen > uDataLen + uErrorLen + 10){
					iRet = snprintf(pBuffer, uLen, "[%s] %s", strBuffer, strErrorMessage);
				}
			}
		}

		if (0 == iRet){
			if (NULL != strErrorMessage){
				iRet = snprintf(pBuffer, uLen, "%s", strErrorMessage);
			}
		}
		return iRet;
	}

	int capture_get_audio_device_list(bool in_direction, CSimpleStringA& strdevicelist)
	{
		int iret = 0;
#ifdef RVC_OS_WIN
		int icnt = 0, ocnt = 0;
		int rc = audio_get_dev_count(&icnt, &ocnt);
		if (rc == 0) {
			strdevicelist = "[";
			if (in_direction) {
				iret = icnt;
				for (int i = 0; i < icnt; ++i) {
					CSimpleStringA str = CSimpleStringA::Format("\"%s\"", audio_get_dev_name(true, i).GetData());
					if (i > 0) {
						strdevicelist += ",";
					}
					strdevicelist += str;
				}
			}
			else {
				iret = ocnt;
				for (int i = 0; i < ocnt; ++i) {
					CSimpleStringA str = CSimpleStringA::Format("\"%s\"",audio_get_dev_name(false, i).GetData());
					if (i > 0) {
						strdevicelist += ",";
					}
					strdevicelist += str;
				}
			}
			strdevicelist += "]";
		}
#endif
		return iret;
	}

	int capture_get_video_device_list(CSimpleStringA& strdevicelist)
	{
		int icount = 0;
#ifdef RVC_OS_WIN
		strdevicelist = "[";
		icount = videocap_get_device_count();
		for (int i = 0; i < icount; ++i) {
			wchar_t tmp[MAX_PATH] = { 0 };
			char t[MAX_PATH] = { 0 };
			wchar_t tmp1[MAX_PATH] = { 0 };
			char t1[MAX_PATH] = { 0 };
			videocap_get_device_name(i, tmp, ARRAYSIZE(tmp));
			WideCharToMultiByte(CP_ACP, 0, tmp, -1, t, sizeof(t), 0, NULL);
			videocap_get_device_path(i, tmp1, ARRAYSIZE(tmp1));
			WideCharToMultiByte(CP_ACP, 0, tmp1, -1, t1, sizeof(t1), 0, NULL);
			{
				unsigned char x[MD5_DIGESTSIZE] = {0};
				md5_ctx_t ctx;
				md5_init(&ctx);
				md5(x, t1, strlen(t1));
				Bin2Str(x, sizeof(x), t1, sizeof(t1));
			}

			CSimpleStringA str = CSimpleStringA::Format("\"%s;%s\"", t, t1);
			if (i > 0) {
				strdevicelist += ",";
			}
			strdevicelist += str;
		}
		strdevicelist += "]";
#else
		int ifound = 0;
		strdevicelist = "[";
		icount = rvc_videocap_get_device_count();
		for (int i = 0; i < 64 && ifound < icount; ++i) {
			char strcamera[2 * MAX_PATH] = { 0 };
			if (0 == rvc_videocap_get_device_fullpathname(i, strcamera, 2 * MAX_PATH)) {
				CSimpleStringA str = CSimpleStringA::Format("\"%s\"", strcamera);
				if (ifound > 0) {
					strdevicelist += ",";
				}
				strdevicelist += str;
				ifound++;
			}
		}

		strdevicelist += "]";
#endif
		return icount;
	}
}