Line data    Source code

       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 "config.h"
      22             : #include "libavutil/attributes.h"
      23             : #include "libavutil/intreadwrite.h"
      24             : #include "avcodec.h"
      25             : #include "pixblockdsp.h"
      26             : 
      27     3902400 : static void get_pixels_16_c(int16_t *av_restrict block, const uint8_t *pixels,
      28             :                             ptrdiff_t stride)
      29             : {
      30     3902400 :     AV_COPY128U(block + 0 * 8, pixels + 0 * stride);
      31     3902400 :     AV_COPY128U(block + 1 * 8, pixels + 1 * stride);
      32     3902400 :     AV_COPY128U(block + 2 * 8, pixels + 2 * stride);
      33     3902400 :     AV_COPY128U(block + 3 * 8, pixels + 3 * stride);
      34     3902400 :     AV_COPY128U(block + 4 * 8, pixels + 4 * stride);
      35     3902400 :     AV_COPY128U(block + 5 * 8, pixels + 5 * stride);
      36     3902400 :     AV_COPY128U(block + 6 * 8, pixels + 6 * stride);
      37     3902400 :     AV_COPY128U(block + 7 * 8, pixels + 7 * stride);
      38     3902400 : }
      39             : 
      40    89689174 : static void get_pixels_8_c(int16_t *av_restrict block, const uint8_t *pixels,
      41             :                            ptrdiff_t stride)
      42             : {
      43             :     int i;
      44             : 
      45             :     /* read the pixels */
      46   807202566 :     for (i = 0; i < 8; i++) {
      47   717513392 :         block[0] = pixels[0];
      48   717513392 :         block[1] = pixels[1];
      49   717513392 :         block[2] = pixels[2];
      50   717513392 :         block[3] = pixels[3];
      51   717513392 :         block[4] = pixels[4];
      52   717513392 :         block[5] = pixels[5];
      53   717513392 :         block[6] = pixels[6];
      54   717513392 :         block[7] = pixels[7];
      55   717513392 :         pixels  += stride;
      56   717513392 :         block   += 8;
      57             :     }
      58    89689174 : }
      59             : 
      60    20753780 : static void diff_pixels_c(int16_t *av_restrict block, const uint8_t *s1,
      61             :                           const uint8_t *s2, ptrdiff_t stride)
      62             : {
      63             :     int i;
      64             : 
      65             :     /* read the pixels */
      66   186784020 :     for (i = 0; i < 8; i++) {
      67   166030240 :         block[0] = s1[0] - s2[0];
      68   166030240 :         block[1] = s1[1] - s2[1];
      69   166030240 :         block[2] = s1[2] - s2[2];
      70   166030240 :         block[3] = s1[3] - s2[3];
      71   166030240 :         block[4] = s1[4] - s2[4];
      72   166030240 :         block[5] = s1[5] - s2[5];
      73   166030240 :         block[6] = s1[6] - s2[6];
      74   166030240 :         block[7] = s1[7] - s2[7];
      75   166030240 :         s1      += stride;
      76   166030240 :         s2      += stride;
      77   166030240 :         block   += 8;
      78             :     }
      79    20753780 : }
      80             : 
      81         290 : av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
      82             : {
      83         290 :     const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
      84             : 
      85         290 :     c->diff_pixels_unaligned =
      86         290 :     c->diff_pixels = diff_pixels_c;
      87             : 
      88         290 :     switch (avctx->bits_per_raw_sample) {
      89           7 :     case 9:
      90             :     case 10:
      91             :     case 12:
      92             :     case 14:
      93           7 :         c->get_pixels = get_pixels_16_c;
      94           7 :         break;
      95         283 :     default:
      96         283 :         if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
      97         283 :             c->get_pixels = get_pixels_8_c;
      98             :         }
      99         283 :         break;
     100             :     }
     101             : 
     102             :     if (ARCH_ALPHA)
     103             :         ff_pixblockdsp_init_alpha(c, avctx, high_bit_depth);
     104             :     if (ARCH_ARM)
     105             :         ff_pixblockdsp_init_arm(c, avctx, high_bit_depth);
     106             :     if (ARCH_PPC)
     107             :         ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
     108             :     if (ARCH_X86)
     109         290 :         ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);
     110             :     if (ARCH_MIPS)
     111             :         ff_pixblockdsp_init_mips(c, avctx, high_bit_depth);
     112         290 : }