tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

idctdsp_init_armv6.c (1724B)


      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 "libavutil/attributes.h"
     24 #include "libavcodec/avcodec.h"
     25 #include "libavcodec/idctdsp.h"
     26 #include "idct.h"
     27 #include "idctdsp_arm.h"
     28 
     29 void ff_add_pixels_clamped_armv6(const int16_t *block, uint8_t *pixels,
     30                                 ptrdiff_t line_size);
     31 
     32 av_cold void ff_idctdsp_init_armv6(IDCTDSPContext *c, AVCodecContext *avctx,
     33                                   unsigned high_bit_depth)
     34 {
     35    if (!avctx->lowres && !high_bit_depth) {
     36        if ((avctx->idct_algo == FF_IDCT_AUTO && !(avctx->flags & AV_CODEC_FLAG_BITEXACT)) ||
     37            avctx->idct_algo == FF_IDCT_SIMPLEARMV6) {
     38            c->idct_put  = ff_simple_idct_put_armv6;
     39            c->idct_add  = ff_simple_idct_add_armv6;
     40            c->idct      = ff_simple_idct_armv6;
     41            c->perm_type = FF_IDCT_PERM_LIBMPEG2;
     42        }
     43    }
     44    c->add_pixels_clamped = ff_add_pixels_clamped_armv6;
     45 }