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Diffstat (limited to 'webrtc/modules/bitrate_controller/include/bitrate_allocator.h')
-rw-r--r-- | webrtc/modules/bitrate_controller/include/bitrate_allocator.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/webrtc/modules/bitrate_controller/include/bitrate_allocator.h b/webrtc/modules/bitrate_controller/include/bitrate_allocator.h deleted file mode 100644 index 34b9ed5328..0000000000 --- a/webrtc/modules/bitrate_controller/include/bitrate_allocator.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - * - * Usage: this class will register multiple RtcpBitrateObserver's one at each - * RTCP module. It will aggregate the results and run one bandwidth estimation - * and push the result to the encoders via BitrateObserver(s). - */ - -#ifndef WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_ALLOCATOR_H_ -#define WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_ALLOCATOR_H_ - -#include <list> -#include <map> -#include <utility> - -#include "webrtc/base/scoped_ptr.h" -#include "webrtc/base/thread_annotations.h" -#include "webrtc/system_wrappers/include/critical_section_wrapper.h" - -namespace webrtc { - -class BitrateObserver; - -class BitrateAllocator { - public: - BitrateAllocator(); - - void OnNetworkChanged(uint32_t target_bitrate, - uint8_t fraction_loss, - int64_t rtt); - - // Set the start and max send bitrate used by the bandwidth management. - // - // |observer| updates bitrates if already in use. - // |min_bitrate_bps| = 0 equals no min bitrate. - // |max_bitrate_bps| = 0 equals no max bitrate. - // Returns bitrate allocated for the bitrate observer. - int AddBitrateObserver(BitrateObserver* observer, - uint32_t min_bitrate_bps, - uint32_t max_bitrate_bps); - - void RemoveBitrateObserver(BitrateObserver* observer); - - void GetMinMaxBitrateSumBps(int* min_bitrate_sum_bps, - int* max_bitrate_sum_bps) const; - - // This method controls the behavior when the available bitrate is lower than - // the minimum bitrate, or the sum of minimum bitrates. - // When true, the bitrate will never be set lower than the minimum bitrate(s). - // When false, the bitrate observers will be allocated rates up to their - // respective minimum bitrate, satisfying one observer after the other. - void EnforceMinBitrate(bool enforce_min_bitrate); - - private: - struct BitrateConfiguration { - BitrateConfiguration(uint32_t min_bitrate, uint32_t max_bitrate) - : min_bitrate(min_bitrate), max_bitrate(max_bitrate) {} - uint32_t min_bitrate; - uint32_t max_bitrate; - }; - struct ObserverConfiguration { - ObserverConfiguration(BitrateObserver* observer, uint32_t bitrate) - : observer(observer), min_bitrate(bitrate) {} - BitrateObserver* const observer; - uint32_t min_bitrate; - }; - typedef std::pair<BitrateObserver*, BitrateConfiguration> - BitrateObserverConfiguration; - typedef std::list<BitrateObserverConfiguration> BitrateObserverConfList; - typedef std::multimap<uint32_t, ObserverConfiguration> ObserverSortingMap; - typedef std::map<BitrateObserver*, int> ObserverBitrateMap; - - BitrateObserverConfList::iterator FindObserverConfigurationPair( - const BitrateObserver* observer) EXCLUSIVE_LOCKS_REQUIRED(crit_sect_); - ObserverBitrateMap AllocateBitrates() EXCLUSIVE_LOCKS_REQUIRED(crit_sect_); - ObserverBitrateMap NormalRateAllocation(uint32_t bitrate, - uint32_t sum_min_bitrates) - EXCLUSIVE_LOCKS_REQUIRED(crit_sect_); - - ObserverBitrateMap LowRateAllocation(uint32_t bitrate) - EXCLUSIVE_LOCKS_REQUIRED(crit_sect_); - - rtc::scoped_ptr<CriticalSectionWrapper> crit_sect_; - // Stored in a list to keep track of the insertion order. - BitrateObserverConfList bitrate_observers_ GUARDED_BY(crit_sect_); - bool bitrate_observers_modified_ GUARDED_BY(crit_sect_); - bool enforce_min_bitrate_ GUARDED_BY(crit_sect_); - uint32_t last_bitrate_bps_ GUARDED_BY(crit_sect_); - uint8_t last_fraction_loss_ GUARDED_BY(crit_sect_); - int64_t last_rtt_ GUARDED_BY(crit_sect_); -}; -} // namespace webrtc -#endif // WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_ALLOCATOR_H_ |