vp8/common/loopfilter.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #ifndef loopfilter_h
  13 #define loopfilter_h
  14
  15 #include "vpx_ports/mem.h"
  16
  17 #define MAX_LOOP_FILTER 63
  18
  19 typedef enum
  20 {
  21     NORMAL_LOOPFILTER = 0,
  22     SIMPLE_LOOPFILTER = 1
  23 } LOOPFILTERTYPE;
  24
  25 /* FRK
  26  * Need to align this structure so when it is declared and
  27  * passed it can be loaded into vector registers.
  28  */
  29 typedef struct
  30 {
  31     DECLARE_ALIGNED(16, signed char, lim[16]);
  32     DECLARE_ALIGNED(16, signed char, flim[16]);
  33     DECLARE_ALIGNED(16, signed char, thr[16]);
  34     DECLARE_ALIGNED(16, signed char, mbflim[16]);
  35     DECLARE_ALIGNED(16, signed char, mbthr[16]);
  36     DECLARE_ALIGNED(16, signed char, uvlim[16]);
  37     DECLARE_ALIGNED(16, signed char, uvflim[16]);
  38     DECLARE_ALIGNED(16, signed char, uvthr[16]);
  39     DECLARE_ALIGNED(16, signed char, uvmbflim[16]);
  40     DECLARE_ALIGNED(16, signed char, uvmbthr[16]);
  41 } loop_filter_info;
  42
  43
  44 #define prototype_loopfilter(sym) \
  45     void sym(unsigned char *src, int pitch, const signed char *flimit,\
  46              const signed char *limit, const signed char *thresh, int count)
  47
  48 #define prototype_loopfilter_block(sym) \
  49     void sym(unsigned char *y, unsigned char *u, unsigned char *v,\
  50              int ystride, int uv_stride, loop_filter_info *lfi, int simpler)
  51
  52 #if ARCH_X86 || ARCH_X86_64
  53 #include "x86/loopfilter_x86.h"
  54 #endif
  55
  56 #if ARCH_ARM
  57 #include "arm/loopfilter_arm.h"
  58 #endif
  59
  60 #ifndef vp8_lf_normal_mb_v
  61 #define vp8_lf_normal_mb_v vp8_loop_filter_mbv_c
  62 #endif
  63 extern prototype_loopfilter_block(vp8_lf_normal_mb_v);
  64
  65 #ifndef vp8_lf_normal_b_v
  66 #define vp8_lf_normal_b_v vp8_loop_filter_bv_c
  67 #endif
  68 extern prototype_loopfilter_block(vp8_lf_normal_b_v);
  69
  70 #ifndef vp8_lf_normal_mb_h
  71 #define vp8_lf_normal_mb_h vp8_loop_filter_mbh_c
  72 #endif
  73 extern prototype_loopfilter_block(vp8_lf_normal_mb_h);
  74
  75 #ifndef vp8_lf_normal_b_h
  76 #define vp8_lf_normal_b_h vp8_loop_filter_bh_c
  77 #endif
  78 extern prototype_loopfilter_block(vp8_lf_normal_b_h);
  79
  80
  81 #ifndef vp8_lf_simple_mb_v
  82 #define vp8_lf_simple_mb_v vp8_loop_filter_mbvs_c
  83 #endif
  84 extern prototype_loopfilter_block(vp8_lf_simple_mb_v);
  85
  86 #ifndef vp8_lf_simple_b_v
  87 #define vp8_lf_simple_b_v vp8_loop_filter_bvs_c
  88 #endif
  89 extern prototype_loopfilter_block(vp8_lf_simple_b_v);
  90
  91 #ifndef vp8_lf_simple_mb_h
  92 #define vp8_lf_simple_mb_h vp8_loop_filter_mbhs_c
  93 #endif
  94 extern prototype_loopfilter_block(vp8_lf_simple_mb_h);
  95
  96 #ifndef vp8_lf_simple_b_h
  97 #define vp8_lf_simple_b_h vp8_loop_filter_bhs_c
  98 #endif
  99 extern prototype_loopfilter_block(vp8_lf_simple_b_h);
 100
 101 typedef prototype_loopfilter_block((*vp8_lf_block_fn_t));
 102 typedef struct
 103 {
 104     vp8_lf_block_fn_t  normal_mb_v;
 105     vp8_lf_block_fn_t  normal_b_v;
 106     vp8_lf_block_fn_t  normal_mb_h;
 107     vp8_lf_block_fn_t  normal_b_h;
 108     vp8_lf_block_fn_t  simple_mb_v;
 109     vp8_lf_block_fn_t  simple_b_v;
 110     vp8_lf_block_fn_t  simple_mb_h;
 111     vp8_lf_block_fn_t  simple_b_h;
 112 } vp8_loopfilter_rtcd_vtable_t;
 113
 114 #if CONFIG_RUNTIME_CPU_DETECT
 115 #define LF_INVOKE(ctx,fn) (ctx)->fn
 116 #else
 117 #define LF_INVOKE(ctx,fn) vp8_lf_##fn
 118 #endif
 119
 120 typedef void loop_filter_uvfunction
 121 (
 122     unsigned char *u,   /* source pointer */
 123     int p,              /* pitch */
 124     const signed char *flimit,
 125     const signed char *limit,
 126     const signed char *thresh,
 127     unsigned char *v
 128 );
 129
 130 #endif