c1e511fd82
Denoise 2 spatial layes at most. Add noise sensitivity level 2 for vp9 such that applications can control whether to denoise the second highest spatial layer. Add tests to cover this case. Change-Id: Ic327d14b29adeba3f0dae547629f43b98d22997f
127 lines
4.1 KiB
C
127 lines
4.1 KiB
C
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_ENCODER_DENOISER_H_
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#define VP9_ENCODER_DENOISER_H_
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#include "vp9/encoder/vp9_block.h"
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#include "vp9/encoder/vp9_skin_detection.h"
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#include "vpx_scale/yv12config.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MOTION_MAGNITUDE_THRESHOLD (8 * 3)
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// Denoiser is used in non svc real-time mode which does not use alt-ref, so no
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// need to allocate for it, and hence we need MAX_REF_FRAME - 1
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#define NONSVC_REF_FRAMES MAX_REF_FRAMES - 1
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// Number of frame buffers when SVC is used. [0] for current denoised buffer and
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// [1..8] for REF_FRAMES
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#define SVC_REF_FRAMES 9
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typedef enum vp9_denoiser_decision {
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COPY_BLOCK,
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FILTER_BLOCK,
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FILTER_ZEROMV_BLOCK
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} VP9_DENOISER_DECISION;
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typedef enum vp9_denoiser_level {
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kDenLowLow,
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kDenLow,
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kDenMedium,
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kDenHigh
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} VP9_DENOISER_LEVEL;
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typedef struct vp9_denoiser {
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YV12_BUFFER_CONFIG *running_avg_y;
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YV12_BUFFER_CONFIG *mc_running_avg_y;
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YV12_BUFFER_CONFIG last_source;
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int frame_buffer_initialized;
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int reset;
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int num_ref_frames;
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int num_layers;
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VP9_DENOISER_LEVEL denoising_level;
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VP9_DENOISER_LEVEL prev_denoising_level;
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} VP9_DENOISER;
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typedef struct {
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int64_t zero_last_cost_orig;
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int *ref_frame_cost;
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int_mv (*frame_mv)[MAX_REF_FRAMES];
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int reuse_inter_pred;
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TX_SIZE best_tx_size;
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PREDICTION_MODE best_mode;
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MV_REFERENCE_FRAME best_ref_frame;
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INTERP_FILTER best_pred_filter;
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uint8_t best_mode_skip_txfm;
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} VP9_PICKMODE_CTX_DEN;
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struct VP9_COMP;
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struct SVC;
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void vp9_denoiser_update_frame_info(
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VP9_DENOISER *denoiser, YV12_BUFFER_CONFIG src, FRAME_TYPE frame_type,
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int refresh_alt_ref_frame, int refresh_golden_frame, int refresh_last_frame,
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int alt_fb_idx, int gld_fb_idx, int lst_fb_idx, int resized,
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int svc_base_is_key, int second_spatial_layer);
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void vp9_denoiser_denoise(struct VP9_COMP *cpi, MACROBLOCK *mb, int mi_row,
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int mi_col, BLOCK_SIZE bs, PICK_MODE_CONTEXT *ctx,
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VP9_DENOISER_DECISION *denoiser_decision);
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void vp9_denoiser_reset_frame_stats(PICK_MODE_CONTEXT *ctx);
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void vp9_denoiser_update_frame_stats(MODE_INFO *mi, unsigned int sse,
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PREDICTION_MODE mode,
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PICK_MODE_CONTEXT *ctx);
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int vp9_denoiser_realloc_svc(VP9_COMMON *cm, VP9_DENOISER *denoiser,
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int svc_buf_shift, int refresh_alt,
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int refresh_gld, int refresh_lst, int alt_fb_idx,
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int gld_fb_idx, int lst_fb_idx);
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int vp9_denoiser_alloc(VP9_COMMON *cm, struct SVC *svc, VP9_DENOISER *denoiser,
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int use_svc, int noise_sen, int width, int height,
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int ssx, int ssy,
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#if CONFIG_VP9_HIGHBITDEPTH
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int use_highbitdepth,
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#endif
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int border);
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#if CONFIG_VP9_TEMPORAL_DENOISING
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// This function is used by both c and sse2 denoiser implementations.
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// Define it as a static function within the scope where vp9_denoiser.h
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// is referenced.
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static INLINE int total_adj_strong_thresh(BLOCK_SIZE bs,
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int increase_denoising) {
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return (1 << num_pels_log2_lookup[bs]) * (increase_denoising ? 3 : 2);
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}
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#endif
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void vp9_denoiser_free(VP9_DENOISER *denoiser);
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void vp9_denoiser_set_noise_level(VP9_DENOISER *denoiser, int noise_level);
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int64_t vp9_scale_part_thresh(int64_t threshold, VP9_DENOISER_LEVEL noise_level,
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int content_state, int temporal_layer_id);
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int64_t vp9_scale_acskip_thresh(int64_t threshold,
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VP9_DENOISER_LEVEL noise_level, int abs_sumdiff,
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int temporal_layer_id);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_DENOISER_H_
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