libavcodec/arm/dsputil_arm.c

   1 /*
   2  * ARM optimized DSP utils
   3  * Copyright (c) 2001 Lionel Ulmer
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include "libavcodec/dsputil.h"
  23 #if HAVE_IPP
  24 #include <ipp.h>
  25 #endif
  26
  27 void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
  28 void ff_float_init_arm_vfp(DSPContext* c, AVCodecContext *avctx);
  29 void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx);
  30
  31 void j_rev_dct_ARM(DCTELEM *data);
  32 void simple_idct_ARM(DCTELEM *data);
  33
  34 void simple_idct_armv5te(DCTELEM *data);
  35 void simple_idct_put_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
  36 void simple_idct_add_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
  37
  38 void ff_simple_idct_armv6(DCTELEM *data);
  39 void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data);
  40 void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data);
  41
  42 void ff_simple_idct_neon(DCTELEM *data);
  43 void ff_simple_idct_put_neon(uint8_t *dest, int line_size, DCTELEM *data);
  44 void ff_simple_idct_add_neon(uint8_t *dest, int line_size, DCTELEM *data);
  45
  46 /* XXX: local hack */
  47 static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
  48 static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
  49
  50 void put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  51 void put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  52 void put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  53 void put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  54
  55 void put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  56 void put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  57 void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  58
  59 void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  60
  61 void ff_prefetch_arm(void *mem, int stride, int h);
  62
  63 CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)
  64 CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)
  65 CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)
  66 CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)
  67 CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)
  68 CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)
  69
  70 void ff_add_pixels_clamped_ARM(short *block, unsigned char *dest,
  71                                       int line_size);
  72
  73 /* XXX: those functions should be suppressed ASAP when all IDCTs are
  74    converted */
  75 static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
  76 {
  77     j_rev_dct_ARM (block);
  78     ff_put_pixels_clamped(block, dest, line_size);
  79 }
  80 static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
  81 {
  82     j_rev_dct_ARM (block);
  83     ff_add_pixels_clamped(block, dest, line_size);
  84 }
  85 static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
  86 {
  87     simple_idct_ARM (block);
  88     ff_put_pixels_clamped(block, dest, line_size);
  89 }
  90 static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
  91 {
  92     simple_idct_ARM (block);
  93     ff_add_pixels_clamped(block, dest, line_size);
  94 }
  95
  96 #if HAVE_IPP
  97 static void simple_idct_ipp(DCTELEM *block)
  98 {
  99     ippiDCT8x8Inv_Video_16s_C1I(block);
 100 }
 101 static void simple_idct_ipp_put(uint8_t *dest, int line_size, DCTELEM *block)
 102 {
 103     ippiDCT8x8Inv_Video_16s8u_C1R(block, dest, line_size);
 104 }
 105
 106 void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size);
 107
 108 static void simple_idct_ipp_add(uint8_t *dest, int line_size, DCTELEM *block)
 109 {
 110     ippiDCT8x8Inv_Video_16s_C1I(block);
 111 #if HAVE_IWMMXT
 112     add_pixels_clamped_iwmmxt(block, dest, line_size);
 113 #else
 114     ff_add_pixels_clamped_ARM(block, dest, line_size);
 115 #endif
 116 }
 117 #endif
 118
 119 int mm_support(void)
 120 {
 121     return HAVE_IWMMXT * FF_MM_IWMMXT;
 122 }
 123
 124 void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
 125 {
 126     int idct_algo= avctx->idct_algo;
 127
 128     ff_put_pixels_clamped = c->put_pixels_clamped;
 129     ff_add_pixels_clamped = c->add_pixels_clamped;
 130
 131     if (avctx->lowres == 0) {
 132         if(idct_algo == FF_IDCT_AUTO){
 133 #if   HAVE_IPP
 134             idct_algo = FF_IDCT_IPP;
 135 #elif HAVE_NEON
 136             idct_algo = FF_IDCT_SIMPLENEON;
 137 #elif HAVE_ARMV6
 138             idct_algo = FF_IDCT_SIMPLEARMV6;
 139 #elif HAVE_ARMV5TE
 140             idct_algo = FF_IDCT_SIMPLEARMV5TE;
 141 #else
 142             idct_algo = FF_IDCT_ARM;
 143 #endif
 144         }
 145
 146         if(idct_algo==FF_IDCT_ARM){
 147             c->idct_put= j_rev_dct_ARM_put;
 148             c->idct_add= j_rev_dct_ARM_add;
 149             c->idct    = j_rev_dct_ARM;
 150             c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
 151         } else if (idct_algo==FF_IDCT_SIMPLEARM){
 152             c->idct_put= simple_idct_ARM_put;
 153             c->idct_add= simple_idct_ARM_add;
 154             c->idct    = simple_idct_ARM;
 155             c->idct_permutation_type= FF_NO_IDCT_PERM;
 156 #if HAVE_ARMV6
 157         } else if (idct_algo==FF_IDCT_SIMPLEARMV6){
 158             c->idct_put= ff_simple_idct_put_armv6;
 159             c->idct_add= ff_simple_idct_add_armv6;
 160             c->idct    = ff_simple_idct_armv6;
 161             c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
 162 #endif
 163 #if HAVE_ARMV5TE
 164         } else if (idct_algo==FF_IDCT_SIMPLEARMV5TE){
 165             c->idct_put= simple_idct_put_armv5te;
 166             c->idct_add= simple_idct_add_armv5te;
 167             c->idct    = simple_idct_armv5te;
 168             c->idct_permutation_type = FF_NO_IDCT_PERM;
 169 #endif
 170 #if HAVE_IPP
 171         } else if (idct_algo==FF_IDCT_IPP){
 172             c->idct_put= simple_idct_ipp_put;
 173             c->idct_add= simple_idct_ipp_add;
 174             c->idct    = simple_idct_ipp;
 175             c->idct_permutation_type= FF_NO_IDCT_PERM;
 176 #endif
 177 #if HAVE_NEON
 178         } else if (idct_algo==FF_IDCT_SIMPLENEON){
 179             c->idct_put= ff_simple_idct_put_neon;
 180             c->idct_add= ff_simple_idct_add_neon;
 181             c->idct    = ff_simple_idct_neon;
 182             c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
 183 #endif
 184         }
 185     }
 186
 187     c->put_pixels_tab[0][0] = put_pixels16_arm;
 188     c->put_pixels_tab[0][1] = put_pixels16_x2_arm;
 189     c->put_pixels_tab[0][2] = put_pixels16_y2_arm;
 190     c->put_pixels_tab[0][3] = put_pixels16_xy2_arm;
 191     c->put_no_rnd_pixels_tab[0][0] = put_pixels16_arm;
 192     c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_arm;
 193     c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_arm;
 194     c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_arm;
 195     c->put_pixels_tab[1][0] = put_pixels8_arm;
 196     c->put_pixels_tab[1][1] = put_pixels8_x2_arm;
 197     c->put_pixels_tab[1][2] = put_pixels8_y2_arm;
 198     c->put_pixels_tab[1][3] = put_pixels8_xy2_arm;
 199     c->put_no_rnd_pixels_tab[1][0] = put_pixels8_arm;
 200     c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_arm;
 201     c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm;
 202     c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;
 203
 204 #if HAVE_ARMV5TE
 205     c->prefetch = ff_prefetch_arm;
 206 #endif
 207
 208 #if HAVE_IWMMXT
 209     dsputil_init_iwmmxt(c, avctx);
 210 #endif
 211 #if HAVE_ARMVFP
 212     ff_float_init_arm_vfp(c, avctx);
 213 #endif
 214 #if HAVE_NEON
 215     ff_dsputil_init_neon(c, avctx);
 216 #endif
 217 }