Line data    Source code

       1              : /*
       2              :  * If not stated otherwise in this file or this component's LICENSE file the
       3              :  * following copyright and licenses apply:
       4              :  *
       5              :  * Copyright 2026 Sky UK
       6              :  *
       7              :  * Licensed under the Apache License, Version 2.0 (the "License");
       8              :  * you may not use this file except in compliance with the License.
       9              :  * You may obtain a copy of the License at
      10              :  *
      11              :  * http://www.apache.org/licenses/LICENSE-2.0
      12              :  *
      13              :  * Unless required by applicable law or agreed to in writing, software
      14              :  * distributed under the License is distributed on an "AS IS" BASIS,
      15              :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      16              :  * See the License for the specific language governing permissions and
      17              :  * limitations under the License.
      18              :  */
      19              : 
      20              : #include "NeedDataDelayCalculator.h"
      21              : 
      22              : namespace
      23              : {
      24              : constexpr std::chrono::milliseconds kDefaultNeedMediaDataResendTimeMs{15};
      25              : constexpr std::chrono::milliseconds kMaxDelayMs{500};
      26              : } // namespace
      27              : 
      28              : namespace firebolt::rialto::server
      29              : {
      30           15 : std::chrono::milliseconds NeedDataDelayCalculator::getNeedMediaDataDelay(MediaSourceType mediaSourceType)
      31              : {
      32           15 :     auto it = m_delays.find(mediaSourceType);
      33           15 :     if (it == m_delays.end())
      34              :     {
      35            6 :         m_delays[mediaSourceType] = kDefaultNeedMediaDataResendTimeMs;
      36            6 :         return kDefaultNeedMediaDataResendTimeMs;
      37              :     }
      38            9 :     return it->second;
      39              : }
      40              : 
      41            7 : void NeedDataDelayCalculator::increaseNeedMediaDataDelay(MediaSourceType mediaSourceType)
      42              : {
      43            7 :     auto it = m_delays.find(mediaSourceType);
      44            7 :     if (it == m_delays.end())
      45              :     {
      46            3 :         m_delays[mediaSourceType] = kDefaultNeedMediaDataResendTimeMs;
      47            3 :         return;
      48              :     }
      49            4 :     if (it->second * 2 < kMaxDelayMs)
      50              :     {
      51            4 :         it->second *= 2;
      52              :     }
      53              : }
      54              : 
      55            5 : void NeedDataDelayCalculator::decreaseNeedMediaDataDelay(MediaSourceType mediaSourceType)
      56              : {
      57            5 :     auto it = m_delays.find(mediaSourceType);
      58            5 :     if (it != m_delays.end() && it->second / 2 >= kDefaultNeedMediaDataResendTimeMs)
      59              :     {
      60            1 :         it->second /= 2;
      61              :     }
      62            5 : }
      63              : 
      64            2 : void NeedDataDelayCalculator::resetMediaDataDelay(MediaSourceType mediaSourceType)
      65              : {
      66            2 :     m_delays[mediaSourceType] = kDefaultNeedMediaDataResendTimeMs;
      67              : }
      68              : 
      69            2 : void NeedDataDelayCalculator::resetMediaDataDelay()
      70              : {
      71            3 :     for (auto &delay : m_delays)
      72              :     {
      73            1 :         delay.second = kDefaultNeedMediaDataResendTimeMs;
      74              :     }
      75            2 : }
      76              : } // namespace firebolt::rialto::server