libavcodec/arm/dsputil_init_neon.c

   1 /*
   2  * ARM NEON optimised DSP functions
   3  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
   4  *
   5  * This file is part of Libav.
   6  *
   7  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include <stdint.h>
  23
  24 #include "libavutil/attributes.h"
  25 #include "libavcodec/avcodec.h"
  26 #include "libavcodec/dsputil.h"
  27 #include "dsputil_arm.h"
  28
  29 void ff_simple_idct_neon(int16_t *data);
  30 void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data);
  31 void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data);
  32
  33 void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int);
  34 void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int);
  35 void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int);
  36
  37 void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
  38                           int len);
  39 void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
  40                                int32_t max, unsigned int len);
  41
  42 int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len);
  43
  44 av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx,
  45                                   unsigned high_bit_depth)
  46 {
  47     if (!high_bit_depth) {
  48         if (avctx->idct_algo == FF_IDCT_AUTO ||
  49             avctx->idct_algo == FF_IDCT_SIMPLENEON) {
  50             c->idct_put              = ff_simple_idct_put_neon;
  51             c->idct_add              = ff_simple_idct_add_neon;
  52             c->idct                  = ff_simple_idct_neon;
  53             c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
  54         }
  55     }
  56
  57     c->add_pixels_clamped        = ff_add_pixels_clamped_neon;
  58     c->put_pixels_clamped        = ff_put_pixels_clamped_neon;
  59     c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
  60
  61     c->vector_clipf      = ff_vector_clipf_neon;
  62     c->vector_clip_int32 = ff_vector_clip_int32_neon;
  63
  64     c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
  65 }