LCOV - code coverage report
Current view: top level - libavcodec - utvideodsp.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 17 29 58.6 %
Date: 2017-12-13 02:34:56 Functions: 2 3 66.7 %

          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 "utvideodsp.h"
      24             : 
      25          28 : static void restore_rgb_planes_c(uint8_t *src_r,
      26             :                                  uint8_t *src_g,
      27             :                                  uint8_t *src_b,
      28             :                                  ptrdiff_t linesize_r,
      29             :                                  ptrdiff_t linesize_g,
      30             :                                  ptrdiff_t linesize_b,
      31             :                                  int width, int height)
      32             : {
      33             :     uint8_t r, g, b;
      34             :     int i, j;
      35             : 
      36       12449 :     for (j = 0; j < height; j++) {
      37     8179166 :         for (i = 0; i < width; i++) {
      38     8166745 :             r = src_r[i];
      39     8166745 :             g = src_g[i];
      40     8166745 :             b = src_b[i];
      41     8166745 :             src_r[i] = r + g - 0x80;
      42     8166745 :             src_b[i] = b + g - 0x80;
      43             :         }
      44       12421 :         src_r += linesize_r;
      45       12421 :         src_g += linesize_g;
      46       12421 :         src_b += linesize_b;
      47             :     }
      48          28 : }
      49             : 
      50           0 : static void restore_rgb_planes10_c(uint16_t *src_r,
      51             :                                    uint16_t *src_g,
      52             :                                    uint16_t *src_b,
      53             :                                    ptrdiff_t linesize_r,
      54             :                                    ptrdiff_t linesize_g,
      55             :                                    ptrdiff_t linesize_b,
      56             :                                    int width, int height)
      57             : {
      58             :     int r, g, b;
      59             :     int i, j;
      60             : 
      61           0 :     for (j = 0; j < height; j++) {
      62           0 :         for (i = 0; i < width; i++) {
      63           0 :             r = src_r[i];
      64           0 :             g = src_g[i];
      65           0 :             b = src_b[i];
      66           0 :             src_r[i] = (r + g - 0x200) & 0x3FF;
      67           0 :             src_b[i] = (b + g - 0x200) & 0x3FF;
      68             :         }
      69           0 :         src_r += linesize_r;
      70           0 :         src_g += linesize_g;
      71           0 :         src_b += linesize_b;
      72             :     }
      73           0 : }
      74             : 
      75          46 : av_cold void ff_utvideodsp_init(UTVideoDSPContext *c)
      76             : {
      77          46 :     c->restore_rgb_planes   = restore_rgb_planes_c;
      78          46 :     c->restore_rgb_planes10 = restore_rgb_planes10_c;
      79             : 
      80             :     if (ARCH_X86)
      81          46 :         ff_utvideodsp_init_x86(c);
      82          46 : }

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