kal_uint32 AVB_WriteSilence(kal_uint32 uSampleCount)
{
kal_uint32 uCopyWord=0, uOutByte=0, i, j, uOrigSrcWord, uChannelNumber, uOutWord;
kal_uint8 *pDst;
if(AVB.uState != AVB_STATE_RUNING)
{
return 0;
}
uOrigSrcWord = uSampleCount;
for(i=0;i<2;i++)
{
kal_int16 *pBuf;
rbGetWriteBuffer(&AVB.PCM, &pDst, &uOutByte);
uOutWord = uOutByte >> 1;
if(uOutWord > uSampleCount)
{
uOutWord = uSampleCount;
}
memset( pDst, 0, uOutWord*sizeof(kal_uint16) );
rbWriteDataDone(&AVB.PCM, uOutWord<<1);
uCopyWord += uOutWord;
uSampleCount -= uOutWord;
}
kal_brief_trace( TRACE_GROUP_SCO, L1AUDIO_AVB_WRITE_ZERO, uOrigSrcWord, uCopyWord, uOrigSrcWord-uCopyWord);
return uCopyWord;
}
kal_uint32 AVB_WriteData(kal_uint16 *pSrc16, kal_uint32 uSrcWord, kal_bool fMono2Stereo)
{
kal_uint32 uCopyWord=0, uOutByte=0, i, j, uOrigSrcWord=0, uOutWord=0;
kal_uint8 *pDst;
if(AVB.uState != AVB_STATE_RUNING)
{
return 0;
}
uOrigSrcWord = uSrcWord;
for(i=0;i<2;i++)
{
kal_uint16 *pDst16;
rbGetWriteBuffer(&AVB.PCM, &pDst, &uOutByte);
pDst16 = (kal_uint16*)pDst;
uOutWord = uOutByte >> 1;
if(fMono2Stereo)
{
uOutWord = uOutWord >> 1;
if(uOutWord > uSrcWord)
{
uOutWord = uSrcWord;
}
for(j=0;j<uOutWord;j++)
{
*pDst16++ = *pSrc16;
*pDst16++ = *pSrc16++;
}
uSrcWord -= uOutWord;
rbWriteDataDone(&AVB.PCM, uOutWord<<2);
}
else
{
if(uOutWord > uSrcWord)
{
uOutWord = uSrcWord;
}
memcpy(pDst16, pSrc16, uOutWord*sizeof(kal_uint16));
pSrc16 += uOutWord;
uSrcWord -= uOutWord;
rbWriteDataDone(&AVB.PCM, uOutWord<<1);
}
uCopyWord += uOutWord;
}
static kal_bool dtmf_mcu_Process_Internal()
{
kal_uint32 uPreIndex1, uPreIndex2, uBufLen, uCurrentData;
kal_uint8 *pBuf;
kal_bool fIsPlaying = KAL_TRUE;
kal_prompt_trace(MOD_L1SP, "[dtmf_mcu_Process_Internal] Enter");
if(DTMF_SW.pHandle == NULL)
{
return KAL_FALSE;
}
rbGetWriteBuffer(&DTMF_SW.RingBuffer, &pBuf, &uBufLen);
kal_trace( TRACE_GROUP_AUD_PLAYBACK, MCU_DTMF_PROCESS_ENTRY, DTMF_SW.fNewDTMF, DTMF_SW.fClearDTMF, DTMF_SW.fEnding, uBufLen);
if(DTMF_SW.fClearDTMF)
{
dtmf_mcu_DeActivatAllKey();
if(!dtmf_mcu_IsPlaying())
{
DTMF_SW.fClearDTMF = KAL_FALSE;
}
}
if(uBufLen < DTMF_SW.uFrameByte || (DTMF_SW.fEnding && !DTMF_SW.fNewDTMF) )
{
return KAL_FALSE;
}
dtmf_mcu_GetPreIndex(DTMF_SW.uCurIdx, &uPreIndex1, &uPreIndex2);
if(DTMF_SW.fNewDTMF)
{
dtmf_mcu_ActivatNewKey(uPreIndex1, uPreIndex2);
DTMF_SW.fNewDTMF = KAL_FALSE;
}
else
{ //flush data
fIsPlaying = dtmf_mcu_IsPlaying();
uCurrentData = rbGetDataCount(&DTMF_SW.RingBuffer);
kal_trace( TRACE_GROUP_AUD_PLAYBACK, MCU_DTMF_PROCESS_STATUS, fIsPlaying, uCurrentData, DTMF_SW.uFlushSilenceCount);
if(!fIsPlaying && DTMF_SW.uFlushSilenceCount<DTMF_FLUSH_FRAME_NUMBER)
{
DTMF_Gen(DTMF_SW.pHandle, pBuf);
rbWriteDataDone(&DTMF_SW.RingBuffer, DTMF_SW.uFrameByte);
DTMF_SW.uFlushSilenceCount++;
}
if(!fIsPlaying && uCurrentData==0 && !DTMF_SW.fEnding)
{
////! PcmSink_Mute(KAL_TRUE, PCMSINK_MUTE_TONE);
DTMF_SW.fEnding = KAL_TRUE;
L1Audio_InProcCall(dtmf_mcu_Destroy, NULL, NULL);
return KAL_FALSE;
}
}
if(fIsPlaying)
{
dtmf_mcu_PrepareTone(0);
dtmf_mcu_PrepareTone(1);
dtmf_mcu_PrepareTone(2);
DTMF_Gen(DTMF_SW.pHandle, pBuf);
rbWriteDataDone(&DTMF_SW.RingBuffer, DTMF_SW.uFrameByte);
dtmf_mcu_UpdateTone(0);
dtmf_mcu_UpdateTone(1);
dtmf_mcu_UpdateTone(2);
DTMF_SW.fClearDTMF = KAL_FALSE;
return KAL_TRUE;
}
kal_prompt_trace(MOD_L1SP, "[dtmf_mcu_Process_Internal] Leave");
return KAL_FALSE;
}