/***************************************************************************************
 *
 *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
 *
 *  By downloading, copying, installing or using the software you agree to this license.
 *  If you do not agree to this license, do not download, install, 
 *  copy or use the software.
 *
 *  Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
 *
 *  Redistribution and use in binary forms, with or without modification, are permitted.
 *
 *  Unless required by applicable law or agreed to in writing, software distributed 
 *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
 *  language governing permissions and limitations under the License.
 *
****************************************************************************************/

#ifndef AUDIO_CAPTURE_WIN_H
#define AUDIO_CAPTURE_WIN_H

/***************************************************************************************/

#include "media_format.h"
#include "audio_capture.h"
#include <mmdeviceapi.h>
#include <audioclient.h>

/***************************************************************************************/

class CWAudioCapture : public CAudioCapture
{
public:
    
    // get audio capture devcie nubmers     
    static int  getDeviceNums();
    // list avaivalbe audio capture device
    static void listDevice();
    // get device index by device name
    static int  getDeviceIndex(const char * name);
    // get device name by device index
    static BOOL getDeviceName(int index, char * name, int namesize);
    
    // get single instance
	static CAudioCapture * getInstance(int devid);

    BOOL    initCapture(int codec, int sampleRate, int channels, int bitrate);
	BOOL    startCapture();

    void    captureThread();
    
private:
    CWAudioCapture();
    CWAudioCapture(CWAudioCapture &obj);
	~CWAudioCapture();	

    void    stopCapture();
    BOOL    capture();

    static HRESULT getDeviceCollection(EDataFlow dataFlow, IMMDeviceCollection ** ppEndpoints);
    static HRESULT getDeviceName(IMMDevice * pDevice, PROPVARIANT * pName);
    HRESULT getDeviceByIndex(int index, IMMDevice ** ppDevice);
    int     getSampleFmt(WAVEFORMATEX * pwfx);
    int     getDataFlow(IMMDevice * pDevice);

private:
    IAudioClient        * m_pAudioClient;
    IAudioCaptureClient * m_pCaptureClient;
};


#endif