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  1. /*
  2.  * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #include <stdint.h>
  22.  
  23. #include "libavcodec/avcodec.h"
  24. #include "dsputil_arm.h"
  25.  
  26. void ff_simple_idct_armv6(int16_t *data);
  27. void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, int16_t *data);
  28. void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, int16_t *data);
  29.  
  30. void ff_add_pixels_clamped_armv6(const int16_t *block,
  31.                                  uint8_t *restrict pixels,
  32.                                  int line_size);
  33.  
  34. void ff_get_pixels_armv6(int16_t *block, const uint8_t *pixels, int stride);
  35. void ff_diff_pixels_armv6(int16_t *block, const uint8_t *s1,
  36.                           const uint8_t *s2, int stride);
  37.  
  38. int ff_pix_abs16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
  39.                        int line_size, int h);
  40. int ff_pix_abs16_x2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
  41.                           int line_size, int h);
  42. int ff_pix_abs16_y2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
  43.                           int line_size, int h);
  44.  
  45. int ff_pix_abs8_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
  46.                        int line_size, int h);
  47.  
  48. int ff_sse16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
  49.                    int line_size, int h);
  50.  
  51. int ff_pix_norm1_armv6(uint8_t *pix, int line_size);
  52. int ff_pix_sum_armv6(uint8_t *pix, int line_size);
  53.  
  54. av_cold void ff_dsputil_init_armv6(DSPContext *c, AVCodecContext *avctx)
  55. {
  56.     const int high_bit_depth = avctx->bits_per_raw_sample > 8;
  57.  
  58.     if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
  59.         (avctx->idct_algo == FF_IDCT_AUTO ||
  60.          avctx->idct_algo == FF_IDCT_SIMPLEARMV6)) {
  61.         c->idct_put              = ff_simple_idct_put_armv6;
  62.         c->idct_add              = ff_simple_idct_add_armv6;
  63.         c->idct                  = ff_simple_idct_armv6;
  64.         c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
  65.     }
  66.  
  67.     if (!high_bit_depth)
  68.         c->get_pixels = ff_get_pixels_armv6;
  69.     c->add_pixels_clamped = ff_add_pixels_clamped_armv6;
  70.     c->diff_pixels = ff_diff_pixels_armv6;
  71.  
  72.     c->pix_abs[0][0] = ff_pix_abs16_armv6;
  73.     c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
  74.     c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
  75.  
  76.     c->pix_abs[1][0] = ff_pix_abs8_armv6;
  77.  
  78.     c->sad[0] = ff_pix_abs16_armv6;
  79.     c->sad[1] = ff_pix_abs8_armv6;
  80.  
  81.     c->sse[0] = ff_sse16_armv6;
  82.  
  83.     c->pix_norm1 = ff_pix_norm1_armv6;
  84.     c->pix_sum   = ff_pix_sum_armv6;
  85. }
  86.