LCOV - code coverage report
Current view: top level - libavcodec - exrdsp.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 18 18 100.0 %
Date: 2017-12-12 11:08:38 Functions: 3 3 100.0 %

          Line data    Source code
       1             : /*
       2             :  * This file is part of FFmpeg.
       3             :  *
       4             :  * Copyright (c) 2006 Industrial Light & Magic, a division of Lucas Digital Ltd. LLC
       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 "exrdsp.h"
      25             : #include "config.h"
      26             : 
      27        2889 : static void reorder_pixels_scalar(uint8_t *dst, const uint8_t *src, ptrdiff_t size)
      28             : {
      29        2889 :     const uint8_t *t1 = src;
      30        2889 :     int half_size     = size / 2;
      31        2889 :     const uint8_t *t2 = src + half_size;
      32        2889 :     uint8_t *s        = dst;
      33             :     int i;
      34             : 
      35     9547809 :     for (i = 0; i < half_size; i++) {
      36     9544920 :         *(s++) = *(t1++);
      37     9544920 :         *(s++) = *(t2++);
      38             :     }
      39        2889 : }
      40             : 
      41        2889 : static void predictor_scalar(uint8_t *src, ptrdiff_t size)
      42             : {
      43             :     ptrdiff_t i;
      44             : 
      45    19089840 :     for (i = 1; i < size; i++)
      46    19086951 :         src[i] += src[i-1] - 128;
      47        2889 : }
      48             : 
      49         137 : av_cold void ff_exrdsp_init(ExrDSPContext *c)
      50             : {
      51         137 :     c->reorder_pixels   = reorder_pixels_scalar;
      52         137 :     c->predictor        = predictor_scalar;
      53             : 
      54             :     if (ARCH_X86)
      55         137 :         ff_exrdsp_init_x86(c);
      56         137 : }

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