int WebRtcNetEQ_McuReset(MCUInst_t *inst)
{
#ifdef NETEQ_ATEVENT_DECODE
int ok;
#endif
/* MCU/DSP Communication layer */
inst->pw16_readAddress = NULL;
inst->pw16_writeAddress = NULL;
inst->main_inst = NULL;
inst->one_desc = 0;
inst->BufferStat_inst.Automode_inst.extraDelayMs = 0;
inst->BufferStat_inst.Automode_inst.minimum_delay_ms = 0;
inst->BufferStat_inst.Automode_inst.maximum_delay_ms = 10000;
inst->NetEqPlayoutMode = kPlayoutOn;
inst->av_sync = 0;
WebRtcNetEQ_DbReset(&inst->codec_DB_inst);
memset(&inst->PayloadSplit_inst, 0, sizeof(SplitInfo_t));
/* Clear the Packet buffer and the pointer to memory storage */
WebRtcNetEQ_PacketBufferFlush(&inst->PacketBuffer_inst);
inst->PacketBuffer_inst.memorySizeW16 = 0;
inst->PacketBuffer_inst.maxInsertPositions = 0;
/* Clear the decision and delay history */
memset(&inst->BufferStat_inst, 0, sizeof(BufstatsInst_t));
#ifdef NETEQ_ATEVENT_DECODE
ok = WebRtcNetEQ_DtmfDecoderInit(&inst->DTMF_inst, 8000, 560);
if (ok != 0)
{
return ok;
}
#endif
inst->NoOfExpandCalls = 0;
inst->current_Codec = -1;
inst->current_Payload = -1;
inst->millisecondsPerCall = 10;
inst->timestampsPerCall = inst->millisecondsPerCall * 8;
inst->fs = 8000;
inst->first_packet = 1;
WebRtcNetEQ_ResetMcuInCallStats(inst);
WebRtcNetEQ_ResetWaitingTimeStats(inst);
WebRtcNetEQ_ResetMcuJitterStat(inst);
WebRtcNetEQ_ResetAutomode(&(inst->BufferStat_inst.Automode_inst),
inst->PacketBuffer_inst.maxInsertPositions);
return 0;
}
/*
* Signals the MCU that DSP status data is available.
*/
int WebRtcNetEQ_SignalMcu(MCUInst_t *inst)
{
int i_bufferpos, i_res;
WebRtc_UWord16 uw16_instr;
DSP2MCU_info_t dspInfo;
WebRtc_Word16 *blockPtr, blockLen;
WebRtc_UWord32 uw32_availableTS;
RTPPacket_t temp_pkt;
WebRtc_Word32 w32_bufsize, w32_tmp;
WebRtc_Word16 payloadType = -1;
WebRtc_Word16 wantedNoOfTimeStamps;
WebRtc_Word32 totalTS;
WebRtc_Word16 oldPT, latePacketExist = 0;
WebRtc_UWord32 oldTS, prevTS, uw32_tmp;
WebRtc_UWord16 prevSeqNo;
WebRtc_Word16 nextSeqNoAvail;
WebRtc_Word16 fs_mult, w16_tmp;
WebRtc_Word16 lastModeBGNonly = 0;
#ifdef NETEQ_DELAY_LOGGING
int temp_var;
#endif
int playDtmf = 0;
fs_mult = WebRtcSpl_DivW32W16ResW16(inst->fs, 8000);
/* Increment counter since last statistics report */
inst->lastReportTS += inst->timestampsPerCall;
/* Increment waiting time for all packets. */
WebRtcNetEQ_IncrementWaitingTimes(&inst->PacketBuffer_inst);
/* Read info from DSP so we now current status */
WEBRTC_SPL_MEMCPY_W8(&dspInfo,inst->pw16_readAddress,sizeof(DSP2MCU_info_t));
/* Set blockPtr to first payload block */
blockPtr = &inst->pw16_writeAddress[3];
/* Clear instruction word and number of lost samples (2*WebRtc_Word16) */
inst->pw16_writeAddress[0] = 0;
inst->pw16_writeAddress[1] = 0;
inst->pw16_writeAddress[2] = 0;
if ((dspInfo.lastMode & MODE_AWAITING_CODEC_PTR) != 0)
{
/*
* Make sure state is adjusted so that a codec update is
* performed when first packet arrives.
*/
if (inst->new_codec != 1)
{
inst->current_Codec = -1;
}
dspInfo.lastMode = (dspInfo.lastMode ^ MODE_AWAITING_CODEC_PTR);
}
#ifdef NETEQ_STEREO
if ((dspInfo.lastMode & MODE_MASTER_DTMF_SIGNAL) != 0)
{
playDtmf = 1; /* force DTMF decision */
dspInfo.lastMode = (dspInfo.lastMode ^ MODE_MASTER_DTMF_SIGNAL);
}
if ((dspInfo.lastMode & MODE_USING_STEREO) != 0)
{
if (inst->usingStereo == 0)
{
/* stereo mode changed; reset automode instance to re-synchronize statistics */
WebRtcNetEQ_ResetAutomode(&(inst->BufferStat_inst.Automode_inst),
inst->PacketBuffer_inst.maxInsertPositions);
}
inst->usingStereo = 1;
dspInfo.lastMode = (dspInfo.lastMode ^ MODE_USING_STEREO);
}
else
{
inst->usingStereo = 0;
}
#endif
/* detect if BGN_ONLY flag is set in lastMode */
if ((dspInfo.lastMode & MODE_BGN_ONLY) != 0)
{
lastModeBGNonly = 1; /* remember flag */
dspInfo.lastMode ^= MODE_BGN_ONLY; /* clear the flag */
}
if ((dspInfo.lastMode == MODE_RFC3389CNG) || (dspInfo.lastMode == MODE_CODEC_INTERNAL_CNG)
|| (dspInfo.lastMode == MODE_EXPAND))
{
/*
* If last mode was CNG (or Expand, since this could be covering up for a lost CNG
* packet), increase the CNGplayedTS counter.
*/
inst->BufferStat_inst.uw32_CNGplayedTS += inst->timestampsPerCall;
if (dspInfo.lastMode == MODE_RFC3389CNG)
{
/* remember that RFC3389CNG is on (needed if CNG is interrupted by DTMF) */
inst->BufferStat_inst.w16_cngOn = CNG_RFC3389_ON;
}
else if (dspInfo.lastMode == MODE_CODEC_INTERNAL_CNG)
{
/* remember that internal CNG is on (needed if CNG is interrupted by DTMF) */
inst->BufferStat_inst.w16_cngOn = CNG_INTERNAL_ON;
}
}
/* Update packet size from previously decoded packet */
if (dspInfo.frameLen > 0)
{
inst->PacketBuffer_inst.packSizeSamples = dspInfo.frameLen;
}
/* Look for late packet (unless codec has changed) */
if (inst->new_codec != 1)
{
if (WebRtcNetEQ_DbIsMDCodec((enum WebRtcNetEQDecoder) inst->current_Codec))
{
WebRtcNetEQ_PacketBufferFindLowestTimestamp(&inst->PacketBuffer_inst,
inst->timeStamp, &uw32_availableTS, &i_bufferpos, 1, &payloadType);
if ((inst->new_codec != 1) && (inst->timeStamp == uw32_availableTS)
&& (inst->timeStamp < dspInfo.playedOutTS) && (i_bufferpos != -1)
&& (WebRtcNetEQ_DbGetPayload(&(inst->codec_DB_inst),
(enum WebRtcNetEQDecoder) inst->current_Codec) == payloadType))
{
int waitingTime;
temp_pkt.payload = blockPtr + 1;
i_res = WebRtcNetEQ_PacketBufferExtract(&inst->PacketBuffer_inst, &temp_pkt,
i_bufferpos, &waitingTime);
if (i_res < 0)
{ /* error returned */
return i_res;
}
WebRtcNetEQ_StoreWaitingTime(inst, waitingTime);
*blockPtr = temp_pkt.payloadLen;
/* set the flag if this is a redundant payload */
if (temp_pkt.rcuPlCntr > 0)
{
*blockPtr = (*blockPtr) | (DSP_CODEC_RED_FLAG);
}
blockPtr += ((temp_pkt.payloadLen + 1) >> 1) + 1;
/*
* Close the data with a zero size block, in case we will not write any
* more data.
*/
*blockPtr = 0;
inst->pw16_writeAddress[0] = (inst->pw16_writeAddress[0] & 0xf0ff)
| DSP_CODEC_ADD_LATE_PKT;
latePacketExist = 1;
}
}
