bool listenerStartStream(tl_state_t *pTLState)
{
AVB_TRACE_ENTRY(AVB_TRACE_TL);
if (!pTLState) {
AVB_LOG_ERROR("Invalid TLState");
AVB_TRACE_EXIT(AVB_TRACE_TL);
return FALSE;
}
assert(!pTLState->bStreaming);
openavb_tl_cfg_t *pCfg = &pTLState->cfg;
listener_data_t *pListenerData = pTLState->pPvtListenerData;
openavbRC rc = openavbAvtpRxInit(pTLState->pMediaQ,
&pCfg->map_cb,
&pCfg->intf_cb,
pListenerData->ifname,
&pListenerData->streamID,
pListenerData->destAddr,
pCfg->raw_rx_buffers,
pCfg->rx_signal_mode,
&pListenerData->avtpHandle);
if (IS_OPENAVB_FAILURE(rc)) {
AVB_LOG_ERROR("Failed to create AVTP stream");
AVB_TRACE_EXIT(AVB_TRACE_TL);
return FALSE;
}
// Setup timers
U64 nowNS;
CLOCK_GETTIME64(OPENAVB_TIMER_CLOCK, &nowNS);
pListenerData->nextReportNS = nowNS + (pCfg->report_seconds * NANOSECONDS_PER_SECOND);
pListenerData->lastReportFrames = 0;
pListenerData->nextSecondNS = nowNS + NANOSECONDS_PER_SECOND;
// Clear counters
pListenerData->nReportCalls = 0;
pListenerData->nReportFrames = 0;
// Clear stats
openavbListenerClearStats(pTLState);
// we're good to go!
pTLState->bStreaming = TRUE;
AVB_TRACE_EXIT(AVB_TRACE_TL);
return TRUE;
}
bool talkerStartStream(tl_state_t *pTLState)
{
AVB_TRACE_ENTRY(AVB_TRACE_TL);
if (!pTLState) {
AVB_LOG_ERROR("Invalid TLState");
AVB_TRACE_EXIT(AVB_TRACE_TL);
return FALSE;
}
openavb_tl_cfg_t *pCfg = &pTLState->cfg;
talker_data_t *pTalkerData = pTLState->pPvtTalkerData;
assert(!pTLState->bStreaming);
pTalkerData->wakeFrames = pCfg->max_interval_frames * pCfg->batch_factor;
// Set a max_transmit_deficit_usec default
if (pCfg->max_transmit_deficit_usec == 0)
pCfg->max_transmit_deficit_usec = 50000;
openavbRC rc = openavbAvtpTxInit(pTLState->pMediaQ,
&pCfg->map_cb,
&pCfg->intf_cb,
pTalkerData->ifname,
&pTalkerData->streamID,
pTalkerData->destAddr,
pCfg->max_transit_usec,
pTalkerData->fwmark,
pTalkerData->vlanID,
pTalkerData->vlanPCP,
pTalkerData->wakeFrames * pCfg->raw_tx_buffers,
&pTalkerData->avtpHandle);
if (IS_OPENAVB_FAILURE(rc)) {
AVB_LOG_ERROR("Failed to create AVTP stream");
AVB_TRACE_EXIT(AVB_TRACE_TL);
return FALSE;
}
avtp_stream_t *pStream = (avtp_stream_t *)(pTalkerData->avtpHandle);
if (!pStream->pMapCB->map_transmit_interval_cb(pTLState->pMediaQ)) {
pTalkerData->wakeRate = pTalkerData->classRate / pCfg->batch_factor;
}
else {
// Override the class observation interval with the one provided by the mapping module.
pTalkerData->wakeRate = pStream->pMapCB->map_transmit_interval_cb(pTLState->pMediaQ) / pCfg->batch_factor;
}
pTalkerData->sleepUsec = MICROSECONDS_PER_SECOND / pTalkerData->wakeRate;
pTalkerData->intervalNS = NANOSECONDS_PER_SECOND / pTalkerData->wakeRate;
U32 SRKbps = ((unsigned long)pTalkerData->classRate * (unsigned long)pCfg->max_interval_frames * (unsigned long)pStream->frameLen * 8L) / 1000;
U32 DataKbps = ((unsigned long)pTalkerData->wakeRate * (unsigned long)pCfg->max_interval_frames * (unsigned long)pStream->frameLen * 8L) / 1000;
AVB_LOGF_INFO(STREAMID_FORMAT", sr-rate=%" PRIu32 ", data-rate=%lu, frames=%" PRIu16 ", size=%" PRIu16 ", batch=%" PRIu32 ", sleep=%" PRIu64 "us, sr-Kbps=%d, data-Kbps=%d",
STREAMID_ARGS(&pTalkerData->streamID), pTalkerData->classRate, pTalkerData->wakeRate,
pTalkerData->tSpec.maxIntervalFrames, pTalkerData->tSpec.maxFrameSize,
pCfg->batch_factor, pTalkerData->intervalNS / 1000, SRKbps, DataKbps);
// number of intervals per report
pTalkerData->wakesPerReport = pCfg->report_seconds * NANOSECONDS_PER_SECOND / pTalkerData->intervalNS;
// counts of intervals and frames between reports
pTalkerData->cntFrames = 0;
pTalkerData->cntWakes = 0;
// setup the initial times
U64 nowNS;
CLOCK_GETTIME64(OPENAVB_TIMER_CLOCK, &nowNS);
// Align clock : allows for some performance gain
nowNS = ((nowNS + (pTalkerData->intervalNS)) / pTalkerData->intervalNS) * pTalkerData->intervalNS;
pTalkerData->nextReportNS = nowNS + (pCfg->report_seconds * NANOSECONDS_PER_SECOND);
pTalkerData->nextSecondNS = nowNS + NANOSECONDS_PER_SECOND;
pTalkerData->nextCycleNS = nowNS + pTalkerData->intervalNS;
// Clear stats
openavbTalkerClearStats(pTLState);
// we're good to go!
pTLState->bStreaming = TRUE;
AVB_TRACE_EXIT(AVB_TRACE_TL);
return TRUE;
}
