1 /* 2 * Copyright (c) 2021 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_VPX_INTERNAL_VPX_RATECTRL_RTC_H_ 12 #define VPX_VPX_INTERNAL_VPX_RATECTRL_RTC_H_ 13 14 #include "vpx/vpx_encoder.h" 15 16 namespace libvpx { 17 18 enum class RcFrameType { kKeyFrame = 0, kInterFrame = 1 }; 19 20 enum class FrameDropDecision { 21 kOk, // Frame is encoded. 22 kDrop, // Frame is dropped. 23 }; 24 25 struct UVDeltaQP { 26 // For the UV channel: the QP for the dc/ac value is given as 27 // GetQP() + uvdc/ac_delta_q, where the uvdc/ac_delta_q are negative numbers. 28 int uvdc_delta_q; 29 int uvac_delta_q; 30 }; 31 32 struct VpxRateControlRtcConfig { VpxRateControlRtcConfigVpxRateControlRtcConfig33 VpxRateControlRtcConfig() { 34 width = 1280; 35 height = 720; 36 max_quantizer = 63; 37 min_quantizer = 2; 38 target_bandwidth = 1000; 39 buf_initial_sz = 600; 40 buf_optimal_sz = 600; 41 buf_sz = 1000; 42 undershoot_pct = overshoot_pct = 50; 43 max_intra_bitrate_pct = 50; 44 max_inter_bitrate_pct = 0; 45 framerate = 30.0; 46 ts_number_layers = 1; 47 rc_mode = VPX_CBR; 48 aq_mode = 0; 49 layer_target_bitrate[0] = static_cast<int>(target_bandwidth); 50 ts_rate_decimator[0] = 1; 51 frame_drop_thresh = 0; 52 is_screen = false; 53 } 54 55 int width; 56 int height; 57 // 0-63 58 int max_quantizer; 59 int min_quantizer; 60 int64_t target_bandwidth; 61 int64_t buf_initial_sz; 62 int64_t buf_optimal_sz; 63 int64_t buf_sz; 64 int undershoot_pct; 65 int overshoot_pct; 66 int max_intra_bitrate_pct; 67 int max_inter_bitrate_pct; 68 double framerate; 69 // Number of temporal layers 70 int ts_number_layers; 71 int layer_target_bitrate[VPX_MAX_LAYERS]; 72 int ts_rate_decimator[VPX_TS_MAX_LAYERS]; 73 // vbr, cbr 74 enum vpx_rc_mode rc_mode; 75 int aq_mode; 76 int frame_drop_thresh; 77 bool is_screen; 78 }; 79 } // namespace libvpx 80 #endif // VPX_VPX_INTERNAL_VPX_RATECTRL_RTC_H_ 81