ref: 027ead10dc37c0471ebe17962f83077039b07977
dir: /vp9/encoder/vp9_denoiser.h/
/* * Copyright (c) 2012 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_VP9_ENCODER_VP9_DENOISER_H_ #define VPX_VP9_ENCODER_VP9_DENOISER_H_ #include "vp9/encoder/vp9_block.h" #include "vp9/encoder/vp9_skin_detection.h" #include "vpx_scale/yv12config.h" #ifdef __cplusplus extern "C" { #endif #define MOTION_MAGNITUDE_THRESHOLD (8 * 3) // Denoiser is used in non svc real-time mode which does not use alt-ref, so no // need to allocate for it, and hence we need MAX_REF_FRAME - 1 #define NONSVC_REF_FRAMES MAX_REF_FRAMES - 1 // Number of frame buffers when SVC is used. [0] for current denoised buffer and // [1..8] for REF_FRAMES #define SVC_REF_FRAMES 9 typedef enum vp9_denoiser_decision { COPY_BLOCK, FILTER_BLOCK, FILTER_ZEROMV_BLOCK } VP9_DENOISER_DECISION; typedef enum vp9_denoiser_level { kDenLowLow, kDenLow, kDenMedium, kDenHigh } VP9_DENOISER_LEVEL; typedef struct vp9_denoiser { YV12_BUFFER_CONFIG *running_avg_y; YV12_BUFFER_CONFIG *mc_running_avg_y; YV12_BUFFER_CONFIG last_source; int frame_buffer_initialized; int reset; int num_ref_frames; int num_layers; unsigned int current_denoiser_frame; VP9_DENOISER_LEVEL denoising_level; VP9_DENOISER_LEVEL prev_denoising_level; } VP9_DENOISER; typedef struct { int64_t zero_last_cost_orig; int *ref_frame_cost; int_mv (*frame_mv)[MAX_REF_FRAMES]; int reuse_inter_pred; TX_SIZE best_tx_size; PREDICTION_MODE best_mode; MV_REFERENCE_FRAME best_ref_frame; INTERP_FILTER best_pred_filter; uint8_t best_mode_skip_txfm; } VP9_PICKMODE_CTX_DEN; struct VP9_COMP; struct SVC; void vp9_denoiser_update_frame_info( VP9_DENOISER *denoiser, YV12_BUFFER_CONFIG src, struct SVC *svc, FRAME_TYPE frame_type, int refresh_alt_ref_frame, int refresh_golden_frame, int refresh_last_frame, int alt_fb_idx, int gld_fb_idx, int lst_fb_idx, int resized, int svc_refresh_denoiser_buffers, int second_spatial_layer); void vp9_denoiser_denoise(struct VP9_COMP *cpi, MACROBLOCK *mb, int mi_row, int mi_col, BLOCK_SIZE bs, PICK_MODE_CONTEXT *ctx, VP9_DENOISER_DECISION *denoiser_decision, int use_gf_temporal_ref); void vp9_denoiser_reset_frame_stats(PICK_MODE_CONTEXT *ctx); void vp9_denoiser_update_frame_stats(MODE_INFO *mi, unsigned int sse, PREDICTION_MODE mode, PICK_MODE_CONTEXT *ctx); int vp9_denoiser_realloc_svc(VP9_COMMON *cm, VP9_DENOISER *denoiser, struct SVC *svc, int svc_buf_shift, int refresh_alt, int refresh_gld, int refresh_lst, int alt_fb_idx, int gld_fb_idx, int lst_fb_idx); int vp9_denoiser_alloc(VP9_COMMON *cm, struct SVC *svc, VP9_DENOISER *denoiser, int use_svc, int noise_sen, int width, int height, int ssx, int ssy, #if CONFIG_VP9_HIGHBITDEPTH int use_highbitdepth, #endif int border); #if CONFIG_VP9_TEMPORAL_DENOISING // This function is used by both c and sse2 denoiser implementations. // Define it as a static function within the scope where vp9_denoiser.h // is referenced. static INLINE int total_adj_strong_thresh(BLOCK_SIZE bs, int increase_denoising) { return (1 << num_pels_log2_lookup[bs]) * (increase_denoising ? 3 : 2); } #endif void vp9_denoiser_free(VP9_DENOISER *denoiser); void vp9_denoiser_set_noise_level(struct VP9_COMP *const cpi, int noise_level); void vp9_denoiser_reset_on_first_frame(struct VP9_COMP *const cpi); int64_t vp9_scale_part_thresh(int64_t threshold, VP9_DENOISER_LEVEL noise_level, int content_state, int temporal_layer_id); int64_t vp9_scale_acskip_thresh(int64_t threshold, VP9_DENOISER_LEVEL noise_level, int abs_sumdiff, int temporal_layer_id); void vp9_denoiser_update_ref_frame(struct VP9_COMP *const cpi); #ifdef __cplusplus } // extern "C" #endif #endif // VPX_VP9_ENCODER_VP9_DENOISER_H_