/* * Copyright (c) 2021, Alliance for Open Media. All rights reserved. * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
int width; int height; // Flag indicating if the content is screen or not. bool is_screen; // 0-63 int max_quantizer; int min_quantizer;
int64_t target_bandwidth;
int64_t buf_initial_sz;
int64_t buf_optimal_sz;
int64_t buf_sz; int undershoot_pct; int overshoot_pct; int max_intra_bitrate_pct; int max_inter_bitrate_pct; int frame_drop_thresh; int max_consec_drop_ms; double framerate; int layer_target_bitrate[kAomAV1MaxLayers]; int ts_rate_decimator[kAomAV1MaxTemporalLayers]; int aq_mode; // Number of spatial layers int ss_number_layers; // Number of temporal layers int ts_number_layers; int max_quantizers[kAomAV1MaxLayers]; int min_quantizers[kAomAV1MaxLayers]; int scaling_factor_num[kAomAV1MaxSpatialLayers]; int scaling_factor_den[kAomAV1MaxSpatialLayers];
} AomAV1RateControlRtcConfig;
using AV1LoopfilterLevel = AomAV1LoopfilterLevel; using AV1CdefInfo = AomAV1CdefInfo; using AV1SegmentationData = AomAV1SegmentationData; using AV1FrameParamsRTC = AomAV1FrameParamsRTC; using AV1RateControlRtcConfig = AomAV1RateControlRtcConfig;
bool UpdateRateControl(const AV1RateControlRtcConfig &rc_cfg); // GetQP() needs to be called after ComputeQP() to get the latest QP int GetQP() const; // GetLoopfilterLevel() needs to be called after ComputeQP()
AV1LoopfilterLevel GetLoopfilterLevel() const; // GetCdefInfo() needs to be called after ComputeQP()
AV1CdefInfo GetCdefInfo() const; // Returns the segmentation map used for cyclic refresh, based on 4x4 blocks. bool GetSegmentationData(AV1SegmentationData *segmentation_data) const; // ComputeQP returns the QP if the frame is not dropped (kOk return), // otherwise it returns kDrop and subsequent GetQP and PostEncodeUpdate // are not to be called (av1_rc_postencode_update_drop_frame is already // called via ComputeQP if drop is decided).
FrameDropDecision ComputeQP(const AV1FrameParamsRTC &frame_params); // Feedback to rate control with the size of current encoded frame void PostEncodeUpdate(uint64_t encoded_frame_size);
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