ref: e86d886a3902e4cc3f4803093eb8ea0bcd7560e0
dir: /vp10/encoder/aq_cyclicrefresh.h/
/* * 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 VP10_ENCODER_AQ_CYCLICREFRESH_H_ #define VP10_ENCODER_AQ_CYCLICREFRESH_H_ #include "vp10/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 VP10_COMP; struct CYCLIC_REFRESH; typedef struct CYCLIC_REFRESH CYCLIC_REFRESH; CYCLIC_REFRESH *vp10_cyclic_refresh_alloc(int mi_rows, int mi_cols); void vp10_cyclic_refresh_free(CYCLIC_REFRESH *cr); // Estimate the bits, incorporating the delta-q from segment 1, after encoding // the frame. int vp10_cyclic_refresh_estimate_bits_at_q(const struct VP10_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 vp10_cyclic_refresh_rc_bits_per_mb(const struct VP10_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 vp10_cyclic_refresh_update_segment(struct VP10_COMP *const 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 segmentation map, and related quantities: cyclic refresh map, // refresh sb_index, and target number of blocks to be refreshed. void vp10_cyclic_refresh_update__map(struct VP10_COMP *const cpi); // Update the actual number of blocks that were applied the segment delta q. void vp10_cyclic_refresh_postencode(struct VP10_COMP *const cpi); // Set golden frame update interval, for 1 pass CBR mode. void vp10_cyclic_refresh_set_golden_update(struct VP10_COMP *const cpi); // Check if we should not update golden reference, based on past refresh stats. void vp10_cyclic_refresh_check_golden_update(struct VP10_COMP *const cpi); // Set/update global/frame level refresh parameters. void vp10_cyclic_refresh_update_parameters(struct VP10_COMP *const cpi); // Setup cyclic background refresh: set delta q and segmentation map. void vp10_cyclic_refresh_setup(struct VP10_COMP *const cpi); int vp10_cyclic_refresh_get_rdmult(const CYCLIC_REFRESH *cr); void vp10_cyclic_refresh_reset_resize(struct VP10_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 // VP10_ENCODER_AQ_CYCLICREFRESH_H_