From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../aom/av1/encoder/av1_temporal_denoiser.h | 134 +++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 third_party/aom/av1/encoder/av1_temporal_denoiser.h (limited to 'third_party/aom/av1/encoder/av1_temporal_denoiser.h') diff --git a/third_party/aom/av1/encoder/av1_temporal_denoiser.h b/third_party/aom/av1/encoder/av1_temporal_denoiser.h new file mode 100644 index 0000000000..14dcccce69 --- /dev/null +++ b/third_party/aom/av1/encoder/av1_temporal_denoiser.h @@ -0,0 +1,134 @@ +/* + * Copyright (c) 2020, 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_AV1_TEMPORAL_DENOISER_H_ +#define AOM_AV1_ENCODER_AV1_TEMPORAL_DENOISER_H_ + +#include "av1/encoder/block.h" +#include "aom_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 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 av1_denoiser_decision { + COPY_BLOCK, + FILTER_BLOCK, + FILTER_ZEROMV_BLOCK +} AV1_DENOISER_DECISION; + +typedef enum av1_denoiser_level { + kDenLowLow, + kDenLow, + kDenMedium, + kDenHigh +} AV1_DENOISER_LEVEL; + +typedef struct av1_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; + AV1_DENOISER_LEVEL denoising_level; + AV1_DENOISER_LEVEL prev_denoising_level; +} AV1_DENOISER; + +typedef struct { + int64_t zero_last_cost_orig; + unsigned int *ref_frame_cost; + int_mv (*frame_mv)[REF_FRAMES]; + int reuse_inter_pred; + TX_SIZE best_tx_size; + PREDICTION_MODE best_mode; + MV_REFERENCE_FRAME best_ref_frame; + int_interpfilters best_pred_filter; + uint8_t best_mode_skip_txfm; +} AV1_PICKMODE_CTX_DEN; + +struct AV1_COMP; +struct SVC; +struct RTC_REF; + +void av1_denoiser_update_frame_info( + AV1_DENOISER *denoiser, YV12_BUFFER_CONFIG src, struct RTC_REF *rtc_ref, + 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 av1_denoiser_denoise(struct AV1_COMP *cpi, MACROBLOCK *mb, int mi_row, + int mi_col, BLOCK_SIZE bs, PICK_MODE_CONTEXT *ctx, + AV1_DENOISER_DECISION *denoiser_decision, + int use_gf_temporal_ref); + +void av1_denoiser_reset_frame_stats(PICK_MODE_CONTEXT *ctx); + +void av1_denoiser_update_frame_stats(MB_MODE_INFO *mi, int64_t sse, + PREDICTION_MODE mode, + PICK_MODE_CONTEXT *ctx); + +int av1_denoiser_realloc_svc(AV1_COMMON *cm, AV1_DENOISER *denoiser, + struct RTC_REF *rtc, 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 av1_denoiser_alloc(AV1_COMMON *cm, struct SVC *svc, AV1_DENOISER *denoiser, + int use_svc, int noise_sen, int width, int height, + int ssx, int ssy, int use_highbitdepth, int border); + +#if CONFIG_AV1_TEMPORAL_DENOISING +// This function is used by both c and sse2 denoiser implementations. +// Define it as a static function within the scope where av1_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 av1_denoiser_free(AV1_DENOISER *denoiser); + +void av1_denoiser_set_noise_level(struct AV1_COMP *const cpi, int noise_level); + +void av1_denoiser_reset_on_first_frame(struct AV1_COMP *const cpi); + +int64_t av1_scale_part_thresh(int64_t threshold, AV1_DENOISER_LEVEL noise_level, + CONTENT_STATE_SB content_state, + int temporal_layer_id); + +int64_t av1_scale_acskip_thresh(int64_t threshold, + AV1_DENOISER_LEVEL noise_level, int abs_sumdiff, + int temporal_layer_id); + +void av1_denoiser_update_ref_frame(struct AV1_COMP *const cpi); + +void aom_write_yuv_frame(FILE *yuv_file, YV12_BUFFER_CONFIG *s); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AV1_ENCODER_AV1_TEMPORAL_DENOISER_H_ -- cgit v1.2.3