| /* |
| * Copyright (c) 2016, 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. |
| */ |
| |
| #ifndef AOM_AV1_ENCODER_AQ_CYCLICREFRESH_H_ |
| #define AOM_AV1_ENCODER_AQ_CYCLICREFRESH_H_ |
| |
| #include "av1/common/blockd.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // The segment ids used in cyclic refresh: from base (no boost) to increasing |
| // boost (higher delta-qp). |
| #define CR_SEGMENT_ID_BASE 0 |
| #define CR_SEGMENT_ID_BOOST1 1 |
| #define CR_SEGMENT_ID_BOOST2 2 |
| |
| // Maximum rate target ratio for setting segment delta-qp. |
| #define CR_MAX_RATE_TARGET_RATIO 4.0 |
| |
| struct AV1_COMP; |
| |
| struct CYCLIC_REFRESH; |
| typedef struct CYCLIC_REFRESH CYCLIC_REFRESH; |
| |
| CYCLIC_REFRESH *av1_cyclic_refresh_alloc(int mi_rows, int mi_cols); |
| |
| void av1_cyclic_refresh_free(CYCLIC_REFRESH *cr); |
| |
| // Estimate the bits, incorporating the delta-q from segment 1, after encoding |
| // the frame. |
| int av1_cyclic_refresh_estimate_bits_at_q(const struct AV1_COMP *cpi, |
| double correction_factor); |
| |
| // Estimate the bits per mb, for a given q = i and a corresponding delta-q |
| // (for segment 1), prior to encoding the frame. |
| int av1_cyclic_refresh_rc_bits_per_mb(const struct AV1_COMP *cpi, int i, |
| double correction_factor); |
| |
| // Prior to coding a given prediction block, of size bsize at (mi_row, mi_col), |
| // check if we should reset the segment_id, and update the cyclic_refresh map |
| // and segmentation map. |
| void av1_cyclic_refresh_update_segment(const struct AV1_COMP *cpi, |
| MB_MODE_INFO *const mbmi, int mi_row, |
| int mi_col, BLOCK_SIZE bsize, |
| int64_t rate, int64_t dist, int skip); |
| |
| // Update the actual number of blocks that were applied the segment delta q. |
| void av1_cyclic_refresh_postencode(struct AV1_COMP *const cpi); |
| |
| // Set golden frame update interval, for 1 pass CBR mode. |
| void av1_cyclic_refresh_set_golden_update(struct AV1_COMP *const cpi); |
| |
| // Set/update global/frame level refresh parameters. |
| void av1_cyclic_refresh_update_parameters(struct AV1_COMP *const cpi); |
| |
| // Setup cyclic background refresh: set delta q and segmentation map. |
| void av1_cyclic_refresh_setup(struct AV1_COMP *const cpi); |
| |
| int av1_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr); |
| |
| void av1_cyclic_refresh_reset_resize(struct AV1_COMP *const cpi); |
| |
| static INLINE int cyclic_refresh_segment_id_boosted(int segment_id) { |
| return segment_id == CR_SEGMENT_ID_BOOST1 || |
| segment_id == CR_SEGMENT_ID_BOOST2; |
| } |
| |
| static INLINE int cyclic_refresh_segment_id(int segment_id) { |
| if (segment_id == CR_SEGMENT_ID_BOOST1) |
| return CR_SEGMENT_ID_BOOST1; |
| else if (segment_id == CR_SEGMENT_ID_BOOST2) |
| return CR_SEGMENT_ID_BOOST2; |
| else |
| return CR_SEGMENT_ID_BASE; |
| } |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_ENCODER_AQ_CYCLICREFRESH_H_ |