f883b42cab
Cherry-Picked the following commits: 0defd8f Changed "WebM" to "AOMedia" & "webm" to "aomedia" 54e6676 Replace "VPx" by "AVx" 5082a36 Change "Vpx" to "Avx" 7df44f1 Replace "Vp9" w/ "Av1" 967f722 Remove kVp9CodecId 828f30c Change "Vp8" to "AOM" 030b5ff AUTHORS regenerated 2524cae Add ref-mv experimental flag 016762b Change copyright notice to AOMedia form 81e5526 Replace vp9 w/ av1 9b94565 Add missing files fa8ca9f Change "vp9" to "av1" ec838b7 Convert "vp8" to "aom" 80edfa0 Change "VP9" to "AV1" d1a11fb Change "vp8" to "aom" 7b58251 Point to WebM test data dd1a5c8 Replace "VP8" with "AOM" ff00fc0 Change "VPX" to "AOM" 01dee0b Change "vp10" to "av1" in source code cebe6f0 Convert "vpx" to "aom" 17b0567 rename vp10*.mk to av1_*.mk fe5f8a8 rename files vp10_* to av1_* Change-Id: I6fc3d18eb11fc171e46140c836ad5339cf6c9419
133 lines
4.1 KiB
C
133 lines
4.1 KiB
C
/*
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* Copyright (c) 2011 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 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 INTERP_FILTER;
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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 INTERP_FILTER interp_filter);
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const int16_t *av1_get_interp_filter_kernel(const INTERP_FILTER 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 INTERP_FILTER 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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