/src/aom/av1/common/cdef.h

Source (jump to first uncovered line)
/*
 * Copyright (c) 2016, 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_COMMON_CDEF_H_
#define AOM_AV1_COMMON_CDEF_H_

#define CDEF_STRENGTH_BITS 6

#define CDEF_PRI_STRENGTHS 16
#define CDEF_SEC_STRENGTHS 4

#include "config/aom_config.h"

#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
#include "av1/common/av1_common_int.h"
#include "av1/common/cdef_block.h"

enum { TOP, LEFT, BOTTOM, RIGHT, BOUNDARIES } UENUM1BYTE(BOUNDARY);

struct AV1CdefSyncData;

/*!\brief Parameters related to CDEF Block */
typedef struct {
  uint16_t *src;                       /*!< CDEF intermediate buffer */
  uint16_t *top_linebuf[MAX_MB_PLANE]; /*!< CDEF top line buffer */
  uint16_t *bot_linebuf[MAX_MB_PLANE]; /*!< CDEF bottom line buffer */
  uint8_t *dst;                        /*!< CDEF destination buffer */
  cdef_list
      dlist[MI_SIZE_64X64 * MI_SIZE_64X64]; /*!< CDEF 8x8 block positions */

  int xdec;                       /*!< Sub-sampling X */
  int ydec;                       /*!< Sub-sampling X */
  int mi_wide_l2;                 /*!< Pixels per mi unit in width */
  int mi_high_l2;                 /*!< Pixels per mi unit in height */
  int frame_boundary[BOUNDARIES]; /*!< frame boundaries */

  int damping;     /*!< CDEF damping factor */
  int coeff_shift; /*!< Bit-depth based shift for calculating filter strength */
  int level;       /*!< CDEF filtering level */
  int sec_strength;  /*!< CDEF secondary strength */
  int cdef_count;    /*!< Number of CDEF sub-blocks in superblock */
  int is_zero_level; /*!< CDEF filtering level ON/OFF */
  int dir[CDEF_NBLOCKS]
         [CDEF_NBLOCKS]; /*!< CDEF filter direction for all 8x8 sub-blocks*/
  int var[CDEF_NBLOCKS][CDEF_NBLOCKS]; /*!< variance for all 8x8 sub-blocks */

  int dst_stride; /*!< CDEF destination buffer stride */
  int coffset;    /*!< current superblock offset in a row */
  int roffset;    /*!< current row offset */
} CdefBlockInfo;

static INLINE int sign(int i) { return i < 0 ? -1 : 1; }

static INLINE int constrain(int diff, int threshold, int damping) {
  if (!threshold) return 0;

  const int shift = AOMMAX(0, damping - get_msb(threshold));
  return sign(diff) *
         AOMMIN(abs(diff), AOMMAX(0, threshold - (abs(diff) >> shift)));
}

#ifdef __cplusplus
extern "C" {
#endif

int av1_cdef_compute_sb_list(const CommonModeInfoParams *const mi_params,
                             int mi_row, int mi_col, cdef_list *dlist,
                             BLOCK_SIZE bsize);

typedef void (*cdef_init_fb_row_t)(
    const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
    CdefBlockInfo *const fb_info, uint16_t **const linebuf, uint16_t *const src,
    struct AV1CdefSyncData *const cdef_sync, int fbr);

/*!\brief Function for applying CDEF to a frame
 *
 * \ingroup in_loop_cdef
 * This function applies CDEF to a frame.
 *
 * \param[in, out]  frame     Compressed frame buffer
 * \param[in, out]  cm        Pointer to top level common structure
 * \param[in]       xd        Pointer to common current coding block structure
 * \param[in]       cdef_init_fb_row_fn   Function Pointer
 *
 * \return Nothing is returned. Instead, the filtered frame is output in
 * \c frame.
 */
void av1_cdef_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *const cm,
                    MACROBLOCKD *xd, cdef_init_fb_row_t cdef_init_fb_row_fn);
void av1_cdef_fb_row(const AV1_COMMON *const cm, MACROBLOCKD *xd,
                     uint16_t **const linebuf, uint16_t **const colbuf,
                     uint16_t *const src, int fbr,
                     cdef_init_fb_row_t cdef_init_fb_row_fn,
                     struct AV1CdefSyncData *const cdef_sync);
void av1_cdef_init_fb_row(const AV1_COMMON *const cm,
                          const MACROBLOCKD *const xd,
                          CdefBlockInfo *const fb_info,
                          uint16_t **const linebuf, uint16_t *const src,
                          struct AV1CdefSyncData *const cdef_sync, int fbr);

#ifdef __cplusplus
}  // extern "C"
#endif
#endif  // AOM_AV1_COMMON_CDEF_H_

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1		/*
2		* Copyright (c) 2016, Alliance for Open Media. All rights reserved
3		*
4		* This source code is subject to the terms of the BSD 2 Clause License and
5		* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6		* was not distributed with this source code in the LICENSE file, you can
7		* obtain it at www.aomedia.org/license/software. If the Alliance for Open
8		* Media Patent License 1.0 was not distributed with this source code in the
9		* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10		*/
11		#ifndef AOM_AV1_COMMON_CDEF_H_
12		#define AOM_AV1_COMMON_CDEF_H_
13
14	0	#define CDEF_STRENGTH_BITS 6
15
16		#define CDEF_PRI_STRENGTHS 16
17	0	#define CDEF_SEC_STRENGTHS 4
18
19		#include "config/aom_config.h"
20
21		#include "aom/aom_integer.h"
22		#include "aom_ports/mem.h"
23		#include "av1/common/av1_common_int.h"
24		#include "av1/common/cdef_block.h"
25
26		enum { TOP, LEFT, BOTTOM, RIGHT, BOUNDARIES } UENUM1BYTE(BOUNDARY);
27
28		struct AV1CdefSyncData;
29
30		/!\brief Parameters related to CDEF Block /
31		typedef struct {
32		uint16_t src; /!< CDEF intermediate buffer */
33		uint16_t top_linebuf[MAX_MB_PLANE]; /!< CDEF top line buffer */
34		uint16_t bot_linebuf[MAX_MB_PLANE]; /!< CDEF bottom line buffer */
35		uint8_t dst; /!< CDEF destination buffer */
36		cdef_list
37		dlist[MI_SIZE_64X64 * MI_SIZE_64X64]; /!< CDEF 8x8 block positions /
38
39		int xdec; /!< Sub-sampling X /
40		int ydec; /!< Sub-sampling X /
41		int mi_wide_l2; /!< Pixels per mi unit in width /
42		int mi_high_l2; /!< Pixels per mi unit in height /
43		int frame_boundary[BOUNDARIES]; /!< frame boundaries /
44
45		int damping; /!< CDEF damping factor /
46		int coeff_shift; /!< Bit-depth based shift for calculating filter strength /
47		int level; /!< CDEF filtering level /
48		int sec_strength; /!< CDEF secondary strength /
49		int cdef_count; /!< Number of CDEF sub-blocks in superblock /
50		int is_zero_level; /!< CDEF filtering level ON/OFF /
51		int dir[CDEF_NBLOCKS]
52		[CDEF_NBLOCKS]; /!< CDEF filter direction for all 8x8 sub-blocks/
53		int var[CDEF_NBLOCKS][CDEF_NBLOCKS]; /!< variance for all 8x8 sub-blocks /
54
55		int dst_stride; /!< CDEF destination buffer stride /
56		int coffset; /!< current superblock offset in a row /
57		int roffset; /!< current row offset /
58		} CdefBlockInfo;
59
60	0	static INLINE int sign(int i) { return i < 0 ? -1 : 1; } Unexecuted instantiation: av1_dx_iface.c:sign Unexecuted instantiation: decodeframe.c:sign Unexecuted instantiation: decodemv.c:sign Unexecuted instantiation: decoder.c:sign Unexecuted instantiation: decodetxb.c:sign Unexecuted instantiation: detokenize.c:sign Unexecuted instantiation: obu.c:sign Unexecuted instantiation: av1_cx_iface.c:sign Unexecuted instantiation: av1_quantize.c:sign Unexecuted instantiation: bitstream.c:sign Unexecuted instantiation: encodemv.c:sign Unexecuted instantiation: encoder.c:sign Unexecuted instantiation: encoder_utils.c:sign Unexecuted instantiation: encodetxb.c:sign Unexecuted instantiation: ethread.c:sign Unexecuted instantiation: firstpass.c:sign Unexecuted instantiation: global_motion_facade.c:sign Unexecuted instantiation: level.c:sign Unexecuted instantiation: lookahead.c:sign Unexecuted instantiation: mcomp.c:sign Unexecuted instantiation: mv_prec.c:sign Unexecuted instantiation: palette.c:sign Unexecuted instantiation: pass2_strategy.c:sign Unexecuted instantiation: pickcdef.c:sign Unexecuted instantiation: picklpf.c:sign Unexecuted instantiation: pickrst.c:sign Unexecuted instantiation: ratectrl.c:sign Unexecuted instantiation: rd.c:sign Unexecuted instantiation: rdopt.c:sign Unexecuted instantiation: segmentation.c:sign Unexecuted instantiation: speed_features.c:sign Unexecuted instantiation: superres_scale.c:sign Unexecuted instantiation: svc_layercontext.c:sign Unexecuted instantiation: temporal_filter.c:sign Unexecuted instantiation: thirdpass.c:sign Unexecuted instantiation: tokenize.c:sign Unexecuted instantiation: tpl_model.c:sign Unexecuted instantiation: tx_search.c:sign Unexecuted instantiation: txb_rdopt.c:sign Unexecuted instantiation: intra_mode_search.c:sign Unexecuted instantiation: var_based_part.c:sign Unexecuted instantiation: av1_noise_estimate.c:sign Unexecuted instantiation: alloccommon.c:sign Unexecuted instantiation: cdef.c:sign Unexecuted instantiation: cdef_block.c:sign Unexecuted instantiation: thread_common.c:sign Unexecuted instantiation: aq_complexity.c:sign Unexecuted instantiation: aq_cyclicrefresh.c:sign Unexecuted instantiation: aq_variance.c:sign Unexecuted instantiation: allintra_vis.c:sign Unexecuted instantiation: compound_type.c:sign Unexecuted instantiation: context_tree.c:sign Unexecuted instantiation: encodeframe.c:sign Unexecuted instantiation: encodeframe_utils.c:sign Unexecuted instantiation: encodemb.c:sign Unexecuted instantiation: encode_strategy.c:sign Unexecuted instantiation: global_motion.c:sign Unexecuted instantiation: gop_structure.c:sign Unexecuted instantiation: interp_search.c:sign Unexecuted instantiation: motion_search_facade.c:sign Unexecuted instantiation: partition_search.c:sign Unexecuted instantiation: partition_strategy.c:sign Unexecuted instantiation: nonrd_pickmode.c:sign
61
62	0	static INLINE int constrain(int diff, int threshold, int damping) {
63	0	if (!threshold) return 0;
64
65	0	const int shift = AOMMAX(0, damping - get_msb(threshold));
66	0	return sign(diff) *
67	0	AOMMIN(abs(diff), AOMMAX(0, threshold - (abs(diff) >> shift)));
68	0	} Unexecuted instantiation: av1_dx_iface.c:constrain Unexecuted instantiation: decodeframe.c:constrain Unexecuted instantiation: decodemv.c:constrain Unexecuted instantiation: decoder.c:constrain Unexecuted instantiation: decodetxb.c:constrain Unexecuted instantiation: detokenize.c:constrain Unexecuted instantiation: obu.c:constrain Unexecuted instantiation: av1_cx_iface.c:constrain Unexecuted instantiation: av1_quantize.c:constrain Unexecuted instantiation: bitstream.c:constrain Unexecuted instantiation: encodemv.c:constrain Unexecuted instantiation: encoder.c:constrain Unexecuted instantiation: encoder_utils.c:constrain Unexecuted instantiation: encodetxb.c:constrain Unexecuted instantiation: ethread.c:constrain Unexecuted instantiation: firstpass.c:constrain Unexecuted instantiation: global_motion_facade.c:constrain Unexecuted instantiation: level.c:constrain Unexecuted instantiation: lookahead.c:constrain Unexecuted instantiation: mcomp.c:constrain Unexecuted instantiation: mv_prec.c:constrain Unexecuted instantiation: palette.c:constrain Unexecuted instantiation: pass2_strategy.c:constrain Unexecuted instantiation: pickcdef.c:constrain Unexecuted instantiation: picklpf.c:constrain Unexecuted instantiation: pickrst.c:constrain Unexecuted instantiation: ratectrl.c:constrain Unexecuted instantiation: rd.c:constrain Unexecuted instantiation: rdopt.c:constrain Unexecuted instantiation: segmentation.c:constrain Unexecuted instantiation: speed_features.c:constrain Unexecuted instantiation: superres_scale.c:constrain Unexecuted instantiation: svc_layercontext.c:constrain Unexecuted instantiation: temporal_filter.c:constrain Unexecuted instantiation: thirdpass.c:constrain Unexecuted instantiation: tokenize.c:constrain Unexecuted instantiation: tpl_model.c:constrain Unexecuted instantiation: tx_search.c:constrain Unexecuted instantiation: txb_rdopt.c:constrain Unexecuted instantiation: intra_mode_search.c:constrain Unexecuted instantiation: var_based_part.c:constrain Unexecuted instantiation: av1_noise_estimate.c:constrain Unexecuted instantiation: alloccommon.c:constrain Unexecuted instantiation: cdef.c:constrain Unexecuted instantiation: cdef_block.c:constrain Unexecuted instantiation: thread_common.c:constrain Unexecuted instantiation: aq_complexity.c:constrain Unexecuted instantiation: aq_cyclicrefresh.c:constrain Unexecuted instantiation: aq_variance.c:constrain Unexecuted instantiation: allintra_vis.c:constrain Unexecuted instantiation: compound_type.c:constrain Unexecuted instantiation: context_tree.c:constrain Unexecuted instantiation: encodeframe.c:constrain Unexecuted instantiation: encodeframe_utils.c:constrain Unexecuted instantiation: encodemb.c:constrain Unexecuted instantiation: encode_strategy.c:constrain Unexecuted instantiation: global_motion.c:constrain Unexecuted instantiation: gop_structure.c:constrain Unexecuted instantiation: interp_search.c:constrain Unexecuted instantiation: motion_search_facade.c:constrain Unexecuted instantiation: partition_search.c:constrain Unexecuted instantiation: partition_strategy.c:constrain Unexecuted instantiation: nonrd_pickmode.c:constrain
69
70		#ifdef __cplusplus
71		extern "C" {
72		#endif
73
74		int av1_cdef_compute_sb_list(const CommonModeInfoParams *const mi_params,
75		int mi_row, int mi_col, cdef_list *dlist,
76		BLOCK_SIZE bsize);
77
78		typedef void (*cdef_init_fb_row_t)(
79		const AV1_COMMON const cm, const MACROBLOCKD const xd,
80		CdefBlockInfo const fb_info, uint16_t const linebuf, uint16_t const src,
81		struct AV1CdefSyncData *const cdef_sync, int fbr);
82
83		/*!\brief Function for applying CDEF to a frame
84		*
85		* \ingroup in_loop_cdef
86		* This function applies CDEF to a frame.
87		*
88		* \param[in, out] frame Compressed frame buffer
89		* \param[in, out] cm Pointer to top level common structure
90		* \param[in] xd Pointer to common current coding block structure
91		* \param[in] cdef_init_fb_row_fn Function Pointer
92		*
93		* \return Nothing is returned. Instead, the filtered frame is output in
94		* \c frame.
95		*/
96		void av1_cdef_frame(YV12_BUFFER_CONFIG frame, AV1_COMMON const cm,
97		MACROBLOCKD *xd, cdef_init_fb_row_t cdef_init_fb_row_fn);
98		void av1_cdef_fb_row(const AV1_COMMON const cm, MACROBLOCKD xd,
99		uint16_t const linebuf, uint16_t const colbuf,
100		uint16_t *const src, int fbr,
101		cdef_init_fb_row_t cdef_init_fb_row_fn,
102		struct AV1CdefSyncData *const cdef_sync);
103		void av1_cdef_init_fb_row(const AV1_COMMON *const cm,
104		const MACROBLOCKD *const xd,
105		CdefBlockInfo *const fb_info,
106		uint16_t *const linebuf, uint16_t const src,
107		struct AV1CdefSyncData *const cdef_sync, int fbr);
108
109		#ifdef __cplusplus
110		} // extern "C"
111		#endif
112		#endif // AOM_AV1_COMMON_CDEF_H_

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Created: 2022-08-24 06:11