git.sesse.net Git - ffmpeg/blob - libavcodec/arm/hevcdsp_init_neon.c

   1 /*
   2  * Copyright (c) 2014 Seppo Tomperi <seppo.tomperi@vtt.fi>
   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 "libavutil/attributes.h"
  22 #include "libavutil/arm/cpu.h"
  23 #include "libavcodec/hevcdsp.h"
  24
  25 void ff_hevc_v_loop_filter_luma_neon(uint8_t *_pix, ptrdiff_t _stride, int _beta, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  26 void ff_hevc_h_loop_filter_luma_neon(uint8_t *_pix, ptrdiff_t _stride, int _beta, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  27 void ff_hevc_v_loop_filter_chroma_neon(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  28 void ff_hevc_h_loop_filter_chroma_neon(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  29 void ff_hevc_transform_4x4_neon_8(int16_t *coeffs, int col_limit);
  30 void ff_hevc_transform_8x8_neon_8(int16_t *coeffs, int col_limit);
  31 void ff_hevc_idct_4x4_dc_neon_8(int16_t *coeffs);
  32 void ff_hevc_idct_8x8_dc_neon_8(int16_t *coeffs);
  33 void ff_hevc_idct_16x16_dc_neon_8(int16_t *coeffs);
  34 void ff_hevc_idct_32x32_dc_neon_8(int16_t *coeffs);
  35 void ff_hevc_transform_luma_4x4_neon_8(int16_t *coeffs);
  36 void ff_hevc_transform_add_4x4_neon_8(uint8_t *_dst, int16_t *coeffs,
  37                                       ptrdiff_t stride);
  38 void ff_hevc_transform_add_8x8_neon_8(uint8_t *_dst, int16_t *coeffs,
  39                                       ptrdiff_t stride);
  40 void ff_hevc_transform_add_16x16_neon_8(uint8_t *_dst, int16_t *coeffs,
  41                                       ptrdiff_t stride);
  42 void ff_hevc_transform_add_32x32_neon_8(uint8_t *_dst, int16_t *coeffs,
  43                                       ptrdiff_t stride);
  44
  45 static av_cold void hevcdsp_init_neon(HEVCDSPContext *c, const int bit_depth)
  46 {
  47 #if HAVE_NEON
  48     if (bit_depth == 8) {
  49         c->hevc_v_loop_filter_luma     = ff_hevc_v_loop_filter_luma_neon;
  50         c->hevc_h_loop_filter_luma     = ff_hevc_h_loop_filter_luma_neon;
  51         c->hevc_v_loop_filter_chroma   = ff_hevc_v_loop_filter_chroma_neon;
  52         c->hevc_h_loop_filter_chroma   = ff_hevc_h_loop_filter_chroma_neon;
  53         c->idct[0]                     = ff_hevc_transform_4x4_neon_8;
  54         c->idct[1]                     = ff_hevc_transform_8x8_neon_8;
  55         c->idct_dc[0]                  = ff_hevc_idct_4x4_dc_neon_8;
  56         c->idct_dc[1]                  = ff_hevc_idct_8x8_dc_neon_8;
  57         c->idct_dc[2]                  = ff_hevc_idct_16x16_dc_neon_8;
  58         c->idct_dc[3]                  = ff_hevc_idct_32x32_dc_neon_8;
  59         c->transform_add[0]            = ff_hevc_transform_add_4x4_neon_8;
  60         c->transform_add[1]            = ff_hevc_transform_add_8x8_neon_8;
  61         c->transform_add[2]            = ff_hevc_transform_add_16x16_neon_8;
  62         c->transform_add[3]            = ff_hevc_transform_add_32x32_neon_8;
  63         c->idct_4x4_luma               = ff_hevc_transform_luma_4x4_neon_8;
  64     }
  65 #endif // HAVE_NEON
  66 }
  67
  68 void ff_hevcdsp_init_arm(HEVCDSPContext *c, const int bit_depth)
  69 {
  70     int cpu_flags = av_get_cpu_flags();
  71
  72     if (have_neon(cpu_flags))
  73         hevcdsp_init_neon(c, bit_depth);
  74 }