| /* |
| * Copyright (c) 2014 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 VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_ |
| #define VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_ |
| |
| #include "vp9/common/vp9_blockd.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| struct VP9_COMP; |
| |
| struct CYCLIC_REFRESH; |
| typedef struct CYCLIC_REFRESH CYCLIC_REFRESH; |
| |
| CYCLIC_REFRESH *vp9_cyclic_refresh_alloc(int mi_rows, int mi_cols); |
| |
| void vp9_cyclic_refresh_free(CYCLIC_REFRESH *cr); |
| |
| // Estimate the bits, incorporating the delta-q from segment 1, after encoding |
| // the frame. |
| int vp9_cyclic_refresh_estimate_bits_at_q(const struct VP9_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 vp9_cyclic_refresh_rc_bits_per_mb(const struct VP9_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 vp9_cyclic_refresh_update_segment(struct VP9_COMP *const cpi, |
| MB_MODE_INFO *const mbmi, |
| int mi_row, int mi_col, BLOCK_SIZE bsize, |
| int64_t rate, int64_t dist); |
| |
| // Update the segmentation map, and related quantities: cyclic refresh map, |
| // refresh sb_index, and target number of blocks to be refreshed. |
| void vp9_cyclic_refresh_update__map(struct VP9_COMP *const cpi); |
| |
| // Update the actual number of blocks that were applied the segment delta q. |
| void vp9_cyclic_refresh_update_actual_count(struct VP9_COMP *const cpi); |
| |
| // Set/update global/frame level refresh parameters. |
| void vp9_cyclic_refresh_update_parameters(struct VP9_COMP *const cpi); |
| |
| // Setup cyclic background refresh: set delta q and segmentation map. |
| void vp9_cyclic_refresh_setup(struct VP9_COMP *const cpi); |
| |
| int vp9_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // VP9_ENCODER_VP9_AQ_CYCLICREFRESH_H_ |