4  *  Use of this source code is governed by a BSD-style license
36       return (link_utilization_factor - max_media_utilization) * target_rate;  in WantedOvershoot()
81     for (size_t ti = 0; ti < kMaxTemporalStreams; ++ti) {  in AdjustRateAllocation()  local
83       if (rates.bitrate.GetBitrate(si, ti) > 0 &&  in AdjustRateAllocation()
84           current_fps_allocation_[si].size() > ti &&  in AdjustRateAllocation()
85           current_fps_allocation_[si][ti] > 0) {  in AdjustRateAllocation()
87         if (!overshoot_detectors_[si][ti]) {  in AdjustRateAllocation()
88           overshoot_detectors_[si][ti] =  in AdjustRateAllocation()
92       } else if (overshoot_detectors_[si][ti]) {  in AdjustRateAllocation()
94         overshoot_detectors_[si][ti].reset();  in AdjustRateAllocation()
131               ->GetNetworkRateUtilizationFactor(now_ms)  in AdjustRateAllocation()
135               ->GetMediaRateUtilizationFactor(now_ms)  in AdjustRateAllocation()
144       for (size_t ti = 0; ti < active_tls_[si]; ++ti) {  in AdjustRateAllocation()  local
145         RTC_DCHECK(overshoot_detectors_[si][ti]);  in AdjustRateAllocation()
147             overshoot_detectors_[si][ti]->GetNetworkRateUtilizationFactor(  in AdjustRateAllocation()
150             overshoot_detectors_[si][ti]->GetMediaRateUtilizationFactor(now_ms);  in AdjustRateAllocation()
157             static_cast<double>(rates.bitrate.GetBitrate(si, ti)) /  in AdjustRateAllocation()
172       // Don't boost target bitrate if encoder is under-using.  in AdjustRateAllocation()
188     available_headroom = rates.bandwidth_allocation -  in AdjustRateAllocation()
248       for (size_t ti = 0; ti < kMaxTemporalStreams; ++ti) {  in AdjustRateAllocation()  local
249         if (rates.bitrate.HasBitrate(si, ti)) {  in AdjustRateAllocation()
252                   rates.bitrate.GetBitrate(si, ti) / utilization_factor + 0.5),  in AdjustRateAllocation()
253               rates.bitrate.GetBitrate(si, ti));  in AdjustRateAllocation()
254           adjusted_allocation.SetBitrate(si, ti, adjusted_layer_bitrate_bps);  in AdjustRateAllocation()
267                                          min_bitrates_bps_[si] -  in AdjustRateAllocation()
272     for (size_t ti = 0; ti < kMaxTemporalStreams; ++ti) {  in AdjustRateAllocation()  local
273       const uint32_t layer_bitrate_bps = adjusted_allocation.GetBitrate(si, ti);  in AdjustRateAllocation()
275       if (layer_bitrate_bps > 0 && overshoot_detectors_[si][ti]) {  in AdjustRateAllocation()
280                 current_fps_allocation_[si][ti] -  in AdjustRateAllocation()
281                 (ti == 0 ? 0 : current_fps_allocation_[si][ti - 1])) /  in AdjustRateAllocation()
286               << "Encoder config has temporal layer with non-zero bitrate "  in AdjustRateAllocation()
291         overshoot_detectors_[si][ti]->SetTargetRate(  in AdjustRateAllocation()
299   // bw-limited flag stays the same.  in AdjustRateAllocation()
307   // Copy allocation into current state and re-allocate.  in OnEncoderInfo()
312   // Trigger re-allocation so that overshoot detectors have correct targets.  in OnEncoderInfo()
323     detector->OnEncodedFrame(size.bytes(), rtc::TimeMillis());  in OnEncodedFrame()
329     for (size_t ti = 0; ti < kMaxTemporalStreams; ++ti) {  in Reset()  local
330       overshoot_detectors_[si][ti].reset();  in Reset()
334   // the appropriate overuse detectors are immediately re-created.  in Reset()