ANSCORE/MediaClient/media/audio_capture_android.cpp

/***************************************************************************************
 *
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 *
 *  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.
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#include "sys_inc.h"
#include "lock.h"
#include "audio_capture_android.h"


void dataCallback(uint8 * pdata, int len, void * puser)
{
	CAAudioCapture * pthis = (CAAudioCapture *) puser;
	
	pthis->dataCallback(pdata, len);
}

CAAudioCapture::CAAudioCapture()
: CAudioCapture()
, m_pInput(0)
{
}

CAAudioCapture::~CAAudioCapture()
{
	stopCapture();
}

CAudioCapture * CAAudioCapture::getInstance(int devid)
{
	if (devid < 0 || devid >= MAX_AUDIO_DEV_NUMS)
	{
		return NULL;
	}
	
	sys_os_mutex_enter(m_pInstMutex);

	if (NULL == m_pInstance[devid])
	{
		m_pInstance[devid] = new CAAudioCapture;
		if (m_pInstance[devid])
		{
			m_pInstance[devid]->m_nRefCnt++;
			m_pInstance[devid]->m_nDevIndex = devid;
		}
	}
	else
	{
	    m_pInstance[devid]->m_nRefCnt++;
	}
	
	sys_os_mutex_leave(m_pInstMutex);

	return m_pInstance[devid];
}

int CAAudioCapture::getDeviceNums()
{
	return 1;
}

void CAAudioCapture::listDevice()
{
}

int CAAudioCapture::getDeviceIndex(const char * name)
{
    return 0;
}

BOOL CAAudioCapture::getDeviceName(int index, char * name, int namesize)
{
    strncpy(name, "Default", namesize);
    
    return TRUE;
}

BOOL CAAudioCapture::initCapture(int codec, int samplerate, int channels, int bitrate)
{
    CLock lock(m_pMutex);

    if (m_bInited)
    {
        return TRUE;
    }
    
    m_nChannels = channels;
	m_nSampleRate = samplerate;
	m_nBitrate = bitrate;

    AudioEncoderParam params;
    memset(&params, 0, sizeof(params));
    
	params.SrcChannels = 2;
	params.SrcSamplefmt = AV_SAMPLE_FMT_S16;
	params.SrcSamplerate = samplerate;
	params.DstChannels = channels;
	params.DstSamplefmt = AV_SAMPLE_FMT_S16;
	params.DstSamplerate = samplerate;
	params.DstBitrate = bitrate;
	params.DstCodec = codec;

	if (m_encoder.init(&params) == FALSE)
	{
		return FALSE;
	}

	m_bInited = TRUE;

    return TRUE;
}

BOOL CAAudioCapture::startCapture()
{	
    CLock lock(m_pMutex);

    if (!m_bInited)
	{
		return FALSE;
	}

	if (m_pInput)
	{
	    return TRUE;
	}
    
	m_pInput = new GlesInput();
	if (NULL == m_pInput)
	{
		return FALSE;
	}

	m_pInput->setCallback(::dataCallback, this);
	if (!m_pInput->start(m_nSampleRate))
	{
        log_print(HT_LOG_ERR, "%s, start audio recoding failed\r\n", __FUNCTION__);
		return FALSE;
	}

    return TRUE;
}

void CAAudioCapture::stopCapture(void)
{
    CLock lock(m_pMutex);
    
	if (m_pInput)
	{
		delete m_pInput;
		m_pInput = NULL;
	}

	m_bInited = FALSE;
}

void CAAudioCapture::dataCallback(uint8 * pdata, int len)
{
    m_encoder.encode(pdata, len);
}