//////////////////////////////////////////////////////////////////////////////
// Data output
bool CWaveOut::Output(float *pData, int nSamples, int scaleFactor)
{
// routine check
if ((pData == NULL)|| (nSamples < 1)) return(false);
// have we started ?
if (m_Dev == NULL) return(false);
// have we free block ?
if ((m_B[m_Idx].dwFlags & WHDR_INQUEUE) == WHDR_INQUEUE) return(false);
// if we have too much samples, cut it
if (nSamples > m_MaxBlockSamples) nSamples = m_MaxBlockSamples;
// convert data into shorts
ippsConvert_32f16s_Sfs((Ipp32f *)pData, (Ipp16s *)m_B[m_Idx].lpData, nSamples*m_Fmt.nChannels, ippRndNear, scaleFactor);
// set right data length
m_B[m_Idx].dwBufferLength = m_Fmt.nBlockAlign * nSamples;
// schedule it to play
if (waveOutWrite(m_Dev, m_B+m_Idx, sizeof(m_B[m_Idx])) != MMSYSERR_NOERROR) return(false);
// goto to the next block
m_Idx = (m_Idx + 1) % m_nBlock;
// success
return(true);
}
static USC_Status CancelEcho(USC_Handle handle, short *pSin, short *pRin, short *pSout)
{
ECFP_Handle_Header *ecfp_header;
USC_Handle *obj_ec;
int framesize;
Ipp32f r_in_32f_cur[MAX_BLOCK_SIZE];
Ipp32f s_in_32f_cur[MAX_BLOCK_SIZE];
Ipp32f s_out_32f_cur[MAX_BLOCK_SIZE];
if(handle==NULL) return USC_InvalidHandler;
if(pSin==NULL) return USC_BadDataPointer;
if(pRin==NULL) return USC_BadDataPointer;
if(pSout==NULL) return USC_BadDataPointer;
ecfp_header = (ECFP_Handle_Header*)handle;
obj_ec = (USC_Handle*)((char*)handle + sizeof(ECFP_Handle_Header));
if(ecfp_header->algType == EC_SUBBAND) framesize = SUBBAND_FRAME_SIZE;
else if(ecfp_header->algType == EC_FULLBAND) framesize = FULLBAND_FRAME_SIZE;
else framesize = FASTSBBAND_FRAME_SIZE;
ippsConvert_16s32f_Sfs((Ipp16s *)pRin, r_in_32f_cur, framesize, 0);
ippsConvert_16s32f_Sfs((Ipp16s *)pSin, s_in_32f_cur, framesize, 0);
ecfp_header->fun.ec_ProcessFrame(obj_ec, r_in_32f_cur, s_in_32f_cur, s_out_32f_cur);
ippsConvert_32f16s_Sfs(s_out_32f_cur, (Ipp16s *)pSout, framesize, ippRndZero, 0);
return USC_NoError;
}
static USC_Status CancelEcho(USC_Handle handle, Ipp16s *pSin, Ipp16s *pRin, Ipp16s *pSout)
{
ECFP_Handle_Header *ecfp_header;
USC_Handle *obj_ec;
Ipp32s framesize;
Ipp32f r_in_32f_cur[MAX_BLOCK_SIZE];
Ipp32f s_in_32f_cur[MAX_BLOCK_SIZE];
Ipp32f s_out_32f_cur[MAX_BLOCK_SIZE];
//Ipp64f noisePwr;
//int dstFlag,j;
if(handle==NULL) return USC_InvalidHandler;
if(pSin==NULL) return USC_BadDataPointer;
if(pRin==NULL) return USC_BadDataPointer;
if(pSout==NULL) return USC_BadDataPointer;
ecfp_header = (ECFP_Handle_Header*)handle;
obj_ec = (USC_Handle*)((Ipp8s*)handle + ALIGN(sizeof(ECFP_Handle_Header)));
framesize = FRAME_SIZE_10ms;
ippsConvert_16s32f_Sfs((Ipp16s *)pRin, r_in_32f_cur, framesize, 0);
ippsConvert_16s32f_Sfs((Ipp16s *)pSin, s_in_32f_cur, framesize, 0);
//if (ecfp_header->dcFlag)
//{
// ippsSubC_32f_I(ecfp_header->dcOffset,s_in_32f_cur, framesize);
// for (j=0;j<framesize;j+=16){
// ippsFilterNoiseDetect_EC_32f64f((const Ipp32f *)&s_in_32f_cur[j],&noisePwr,
// &ecfp_header->dcOffset,&dstFlag,ecfp_header->nrSin);
// }
//}
ecfp_header->fun.ec_ProcessFrame(obj_ec, r_in_32f_cur, s_in_32f_cur, s_out_32f_cur);
ippsConvert_32f16s_Sfs(s_out_32f_cur, (Ipp16s *)pSout, framesize, ippRndZero, 0);
return USC_NoError;
}
