| /* |
| * Copyright (c) 2016 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. |
| */ |
| |
| #ifndef MODULES_VIDEO_CODING_FEC_CONTROLLER_DEFAULT_H_ |
| #define MODULES_VIDEO_CODING_FEC_CONTROLLER_DEFAULT_H_ |
| |
| #include <memory> |
| #include <vector> |
| #include "api/fec_controller.h" |
| #include "modules/include/module_common_types.h" |
| #include "modules/video_coding/media_opt_util.h" |
| #include "rtc_base/criticalsection.h" |
| #include "system_wrappers/include/clock.h" |
| |
| namespace webrtc { |
| |
| class FecControllerDefault : public FecController { |
| public: |
| FecControllerDefault(Clock* clock, |
| VCMProtectionCallback* protection_callback); |
| explicit FecControllerDefault(Clock* clock); |
| ~FecControllerDefault() override; |
| void SetProtectionCallback( |
| VCMProtectionCallback* protection_callback) override; |
| void SetProtectionMethod(bool enable_fec, bool enable_nack) override; |
| void SetEncodingData(size_t width, |
| size_t height, |
| size_t num_temporal_layers, |
| size_t max_payload_size) override; |
| uint32_t UpdateFecRates(uint32_t estimated_bitrate_bps, |
| int actual_framerate_fps, |
| uint8_t fraction_lost, |
| std::vector<bool> loss_mask_vector, |
| int64_t round_trip_time_ms) override; |
| void UpdateWithEncodedData(const size_t encoded_image_length, |
| const FrameType encoded_image_frametype) override; |
| bool UseLossVectorMask() override; |
| float GetProtectionOverheadRateThreshold(); |
| |
| private: |
| enum { kBitrateAverageWinMs = 1000 }; |
| Clock* const clock_; |
| VCMProtectionCallback* protection_callback_; |
| rtc::CriticalSection crit_sect_; |
| std::unique_ptr<media_optimization::VCMLossProtectionLogic> loss_prot_logic_ |
| RTC_GUARDED_BY(crit_sect_); |
| size_t max_payload_size_ RTC_GUARDED_BY(crit_sect_); |
| RTC_DISALLOW_COPY_AND_ASSIGN(FecControllerDefault); |
| const float overhead_threshold_; |
| }; |
| |
| } // namespace webrtc |
| #endif // MODULES_VIDEO_CODING_FEC_CONTROLLER_DEFAULT_H_ |