7b9407a81b
this matches style guidelines and stabilizes successive runs of clang-format across the tree. remaining types should be address in successive commits. Change-Id: I6ad3f69cf0a22cb9a9b895b272195f891f71170f
134 lines
4.2 KiB
C
134 lines
4.2 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AV1_COMMON_FILTER_H_
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#define AV1_COMMON_FILTER_H_
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#include "./aom_config.h"
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#include "aom/aom_integer.h"
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#include "aom_dsp/aom_filter.h"
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#include "aom_ports/mem.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define EIGHTTAP_REGULAR 0
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#define EIGHTTAP_SMOOTH 1
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#define MULTITAP_SHARP 2
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#if CONFIG_EXT_INTERP
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#define EIGHTTAP_SMOOTH2 3
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#define MULTITAP_SHARP2 4
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#define MAX_SUBPEL_TAPS 12
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#define SUPPORT_NONINTERPOLATING_FILTERS 0 /* turn on for experimentation */
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#define SWITCHABLE_FILTERS 5 /* Number of switchable filters */
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#else
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#define SWITCHABLE_FILTERS 3 /* Number of switchable filters */
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#endif // CONFIG_EXT_INTERP
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#define USE_TEMPORALFILTER_12TAP 1
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#if USE_TEMPORALFILTER_12TAP
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#define TEMPORALFILTER_12TAP (SWITCHABLE_FILTERS + 1)
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#endif
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// The codec can operate in four possible inter prediction filter mode:
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// 8-tap, 8-tap-smooth, 8-tap-sharp, and switching between the three.
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#define BILINEAR (SWITCHABLE_FILTERS)
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#define SWITCHABLE (SWITCHABLE_FILTERS + 1) /* the last one */
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#if CONFIG_DUAL_FILTER
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#define SWITCHABLE_FILTER_CONTEXTS ((SWITCHABLE_FILTERS + 1) * 4)
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#define INTER_FILTER_COMP_OFFSET (SWITCHABLE_FILTERS + 1)
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#define INTER_FILTER_DIR_OFFSET ((SWITCHABLE_FILTERS + 1) * 2)
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#else
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#define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)
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#endif
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typedef uint8_t InterpFilter;
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#if CONFIG_EXT_INTRA
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typedef enum {
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INTRA_FILTER_LINEAR,
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INTRA_FILTER_8TAP,
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INTRA_FILTER_8TAP_SHARP,
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INTRA_FILTER_8TAP_SMOOTH,
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INTRA_FILTERS,
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} INTRA_FILTER;
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extern const InterpKernel *av1_intra_filter_kernels[INTRA_FILTERS];
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#endif // CONFIG_EXT_INTRA
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typedef struct InterpFilterParams {
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const int16_t *filter_ptr;
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uint16_t taps;
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uint16_t subpel_shifts;
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} InterpFilterParams;
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InterpFilterParams av1_get_interp_filter_params(
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const InterpFilter interp_filter);
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const int16_t *av1_get_interp_filter_kernel(const InterpFilter interp_filter);
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static INLINE const int16_t *av1_get_interp_filter_subpel_kernel(
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const InterpFilterParams filter_params, const int subpel) {
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return filter_params.filter_ptr + filter_params.taps * subpel;
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}
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static INLINE int av1_is_interpolating_filter(
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const InterpFilter interp_filter) {
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const InterpFilterParams ip = av1_get_interp_filter_params(interp_filter);
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return (ip.filter_ptr[ip.taps / 2 - 1] == 128);
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}
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#if USE_TEMPORALFILTER_12TAP
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extern const int8_t sub_pel_filters_temporalfilter_12_signal_dir[15][2][16];
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extern const int8_t sub_pel_filters_temporalfilter_12_ver_signal_dir[15][6][16];
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#if CONFIG_AOM_HIGHBITDEPTH
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extern const int16_t
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sub_pel_filters_temporalfilter_12_highbd_ver_signal_dir[15][6][8];
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#endif
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#endif
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#if CONFIG_EXT_INTERP
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extern const int8_t sub_pel_filters_12sharp_signal_dir[15][2][16];
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extern const int8_t sub_pel_filters_10sharp_signal_dir[15][2][16];
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extern const int8_t sub_pel_filters_12sharp_ver_signal_dir[15][6][16];
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extern const int8_t sub_pel_filters_10sharp_ver_signal_dir[15][6][16];
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#if CONFIG_AOM_HIGHBITDEPTH
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extern const int16_t sub_pel_filters_12sharp_highbd_ver_signal_dir[15][6][8];
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extern const int16_t sub_pel_filters_10sharp_highbd_ver_signal_dir[15][6][8];
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#endif
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#endif
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typedef const int8_t (*SubpelFilterCoeffs)[16];
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#if CONFIG_AOM_HIGHBITDEPTH
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typedef const int16_t (*HbdSubpelFilterCoeffs)[8];
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#endif
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SubpelFilterCoeffs av1_get_subpel_filter_signal_dir(const InterpFilterParams p,
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int index);
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SubpelFilterCoeffs av1_get_subpel_filter_ver_signal_dir(
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const InterpFilterParams p, int index);
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#if CONFIG_AOM_HIGHBITDEPTH
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HbdSubpelFilterCoeffs av1_hbd_get_subpel_filter_ver_signal_dir(
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const InterpFilterParams p, int index);
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AV1_COMMON_FILTER_H_
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