ffmpeg/libavcodec/arm/me_cmp_init_arm.c

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include <stdint.h>
  20
  21 #include "libavutil/attributes.h"
  22 #include "libavutil/cpu.h"
  23 #include "libavutil/arm/cpu.h"
  24 #include "libavcodec/avcodec.h"
  25 #include "libavcodec/me_cmp.h"
  26 #include "libavcodec/mpegvideo.h"
  27
  28 int ff_pix_abs16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
  29                        ptrdiff_t stride, int h);
  30 int ff_pix_abs16_x2_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
  31                           ptrdiff_t stride, int h);
  32 int ff_pix_abs16_y2_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
  33                           ptrdiff_t stride, int h);
  34
  35 int ff_pix_abs8_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
  36                       ptrdiff_t stride, int h);
  37
  38 int ff_sse16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
  39                    ptrdiff_t stride, int h);
  40
  41 av_cold void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx)
  42 {
  43     int cpu_flags = av_get_cpu_flags();
  44
  45     if (have_armv6(cpu_flags)) {
  46         c->pix_abs[0][0] = ff_pix_abs16_armv6;
  47         c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
  48         c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
  49
  50         c->pix_abs[1][0] = ff_pix_abs8_armv6;
  51
  52         c->sad[0] = ff_pix_abs16_armv6;
  53         c->sad[1] = ff_pix_abs8_armv6;
  54
  55         c->sse[0] = ff_sse16_armv6;
  56     }
  57 }