| /* |
| * Copyright (c) 2021 The WebM 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 VPX_VP8_RATECTRL_RTC_H_ |
| #define VPX_VP8_RATECTRL_RTC_H_ |
| |
| #include <cstdint> |
| #include <memory> |
| |
| #include "vp8/encoder/onyx_int.h" |
| #include "vp8/common/common.h" |
| #include "vpx/internal/vpx_ratectrl_rtc.h" |
| |
| namespace libvpx { |
| struct VP8RateControlRtcConfig : public VpxRateControlRtcConfig { |
| public: |
| VP8RateControlRtcConfig() { |
| vp8_zero(layer_target_bitrate); |
| vp8_zero(ts_rate_decimator); |
| } |
| }; |
| |
| struct VP8FrameParamsQpRTC { |
| FRAME_TYPE frame_type; |
| int temporal_layer_id; |
| }; |
| |
| class VP8RateControlRTC { |
| public: |
| static std::unique_ptr<VP8RateControlRTC> Create( |
| const VP8RateControlRtcConfig &cfg); |
| ~VP8RateControlRTC() { |
| if (cpi_) { |
| vpx_free(cpi_->gf_active_flags); |
| vpx_free(cpi_); |
| } |
| } |
| |
| void UpdateRateControl(const VP8RateControlRtcConfig &rc_cfg); |
| // GetQP() needs to be called after ComputeQP() to get the latest QP |
| int GetQP() const; |
| // int GetLoopfilterLevel() const; |
| void ComputeQP(const VP8FrameParamsQpRTC &frame_params); |
| // Feedback to rate control with the size of current encoded frame |
| void PostEncodeUpdate(uint64_t encoded_frame_size); |
| |
| private: |
| VP8RateControlRTC() {} |
| void InitRateControl(const VP8RateControlRtcConfig &cfg); |
| VP8_COMP *cpi_; |
| int q_; |
| }; |
| |
| } // namespace libvpx |
| |
| #endif // VPX_VP8_RATECTRL_RTC_H_ |