ffmpeg/libavcodec/arm/rv34dsp_init_arm.c

   1 /*
   2  * Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net>
   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 "libavutil/attributes.h"
  24 #include "libavcodec/avcodec.h"
  25 #include "libavcodec/rv34dsp.h"
  26 #include "libavutil/arm/cpu.h"
  27
  28 void ff_rv34_inv_transform_noround_neon(int16_t *block);
  29
  30 void ff_rv34_inv_transform_noround_dc_neon(int16_t *block);
  31
  32 void ff_rv34_idct_add_neon(uint8_t *dst, ptrdiff_t stride, int16_t *block);
  33 void ff_rv34_idct_dc_add_neon(uint8_t *dst, ptrdiff_t stride, int dc);
  34
  35 av_cold void ff_rv34dsp_init_arm(RV34DSPContext *c)
  36 {
  37     int cpu_flags = av_get_cpu_flags();
  38
  39     if (have_neon(cpu_flags)) {
  40         c->rv34_inv_transform    = ff_rv34_inv_transform_noround_neon;
  41         c->rv34_inv_transform_dc = ff_rv34_inv_transform_noround_dc_neon;
  42
  43         c->rv34_idct_add    = ff_rv34_idct_add_neon;
  44         c->rv34_idct_dc_add = ff_rv34_idct_dc_add_neon;
  45     }
  46 }