c6b9039fd9
Approximate the Google style guide[1] so that that there's a written document to follow and tools to check compliance[2]. [1]: http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml [2]: http://google-styleguide.googlecode.com/svn/trunk/cpplint/cpplint.py Change-Id: Idf40e3d8dddcc72150f6af127b13e5dab838685f
166 lines
4.7 KiB
C
166 lines
4.7 KiB
C
/*
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* Copyright (c) 2010 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 loopfilter_h
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#define loopfilter_h
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#include "vpx_ports/mem.h"
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#include "vpx_config.h"
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#include "blockd.h"
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#define MAX_LOOP_FILTER 63
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typedef enum {
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NORMAL_LOOPFILTER = 0,
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SIMPLE_LOOPFILTER = 1
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} LOOPFILTERTYPE;
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#if ARCH_ARM
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#define SIMD_WIDTH 1
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#else
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#define SIMD_WIDTH 16
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#endif
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/* Need to align this structure so when it is declared and
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* passed it can be loaded into vector registers.
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*/
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typedef struct {
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DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, mblim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
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DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, blim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
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DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, lim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
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DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, hev_thr[4][SIMD_WIDTH]);
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unsigned char lvl[4][4][4];
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unsigned char hev_thr_lut[2][MAX_LOOP_FILTER + 1];
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unsigned char mode_lf_lut[MB_MODE_COUNT];
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} loop_filter_info_n;
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typedef struct {
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const unsigned char *mblim;
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const unsigned char *blim;
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const unsigned char *lim;
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const unsigned char *hev_thr;
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} loop_filter_info;
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#define prototype_loopfilter(sym) \
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void sym(unsigned char *src, int pitch, const unsigned char *blimit,\
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const unsigned char *limit, const unsigned char *thresh, int count)
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#define prototype_loopfilter_block(sym) \
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void sym(unsigned char *y, unsigned char *u, unsigned char *v, \
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int ystride, int uv_stride, loop_filter_info *lfi)
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#define prototype_simple_loopfilter(sym) \
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void sym(unsigned char *y, int ystride, const unsigned char *blimit)
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#if ARCH_X86 || ARCH_X86_64
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#include "x86/loopfilter_x86.h"
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#endif
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#if ARCH_ARM
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#include "arm/loopfilter_arm.h"
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#endif
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#ifndef vp8_lf_normal_mb_v
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#define vp8_lf_normal_mb_v vp8_loop_filter_mbv_c
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#endif
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extern prototype_loopfilter_block(vp8_lf_normal_mb_v);
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#ifndef vp8_lf_normal_b_v
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#define vp8_lf_normal_b_v vp8_loop_filter_bv_c
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#endif
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extern prototype_loopfilter_block(vp8_lf_normal_b_v);
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#ifndef vp8_lf_normal_mb_h
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#define vp8_lf_normal_mb_h vp8_loop_filter_mbh_c
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#endif
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extern prototype_loopfilter_block(vp8_lf_normal_mb_h);
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#ifndef vp8_lf_normal_b_h
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#define vp8_lf_normal_b_h vp8_loop_filter_bh_c
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#endif
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extern prototype_loopfilter_block(vp8_lf_normal_b_h);
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#ifndef vp8_lf_simple_mb_v
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#define vp8_lf_simple_mb_v vp8_loop_filter_simple_vertical_edge_c
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#endif
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extern prototype_simple_loopfilter(vp8_lf_simple_mb_v);
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#ifndef vp8_lf_simple_b_v
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#define vp8_lf_simple_b_v vp8_loop_filter_bvs_c
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#endif
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extern prototype_simple_loopfilter(vp8_lf_simple_b_v);
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#ifndef vp8_lf_simple_mb_h
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#define vp8_lf_simple_mb_h vp8_loop_filter_simple_horizontal_edge_c
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#endif
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extern prototype_simple_loopfilter(vp8_lf_simple_mb_h);
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#ifndef vp8_lf_simple_b_h
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#define vp8_lf_simple_b_h vp8_loop_filter_bhs_c
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#endif
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extern prototype_simple_loopfilter(vp8_lf_simple_b_h);
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typedef prototype_loopfilter_block((*vp8_lf_block_fn_t));
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typedef prototype_simple_loopfilter((*vp8_slf_block_fn_t));
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typedef struct {
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vp8_lf_block_fn_t normal_mb_v;
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vp8_lf_block_fn_t normal_b_v;
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vp8_lf_block_fn_t normal_mb_h;
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vp8_lf_block_fn_t normal_b_h;
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vp8_slf_block_fn_t simple_mb_v;
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vp8_slf_block_fn_t simple_b_v;
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vp8_slf_block_fn_t simple_mb_h;
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vp8_slf_block_fn_t simple_b_h;
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} vp8_loopfilter_rtcd_vtable_t;
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#if CONFIG_RUNTIME_CPU_DETECT
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#define LF_INVOKE(ctx,fn) (ctx)->fn
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#else
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#define LF_INVOKE(ctx,fn) vp8_lf_##fn
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#endif
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typedef void loop_filter_uvfunction
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(
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unsigned char *u, /* source pointer */
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int p, /* pitch */
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const unsigned char *blimit,
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const unsigned char *limit,
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const unsigned char *thresh,
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unsigned char *v
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);
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/* assorted loopfilter functions which get used elsewhere */
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struct VP8Common;
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struct MacroBlockD;
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void vp8_loop_filter_init(struct VP8Common *cm);
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void vp8_loop_filter_frame_init(struct VP8Common *cm,
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struct MacroBlockD *mbd,
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int default_filt_lvl);
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void vp8_loop_filter_frame(struct VP8Common *cm, struct MacroBlockD *mbd);
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void vp8_loop_filter_partial_frame(struct VP8Common *cm,
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struct MacroBlockD *mbd,
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int default_filt_lvl);
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void vp8_loop_filter_frame_yonly(struct VP8Common *cm,
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struct MacroBlockD *mbd,
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int default_filt_lvl);
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void vp8_loop_filter_update_sharpness(loop_filter_info_n *lfi,
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int sharpness_lvl);
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#endif
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