LCOV - code coverage report
Current view: top level - libavcodec - vp6dsp.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 21 21 100.0 %
Date: 2017-12-16 21:16:39 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
       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             : /**
      22             :  * @file
      23             :  * VP6 DSP-oriented functions
      24             :  */
      25             : 
      26             : #include "libavutil/common.h"
      27             : #include "vp56dsp.h"
      28             : 
      29             : 
      30       27375 : void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
      31             :                            const int16_t *h_weights, const int16_t *v_weights)
      32             : {
      33             :     int x, y;
      34             :     int tmp[8*11];
      35       27375 :     int *t = tmp;
      36             : 
      37       27375 :     src -= stride;
      38             : 
      39      328500 :     for (y=0; y<11; y++) {
      40     2710125 :         for (x=0; x<8; x++) {
      41     4818000 :             t[x] = av_clip_uint8((  src[x-1] * h_weights[0]
      42     2409000 :                                + src[x  ] * h_weights[1]
      43     2409000 :                                + src[x+1] * h_weights[2]
      44     2409000 :                                + src[x+2] * h_weights[3] + 64) >> 7);
      45             :         }
      46      301125 :         src += stride;
      47      301125 :         t += 8;
      48             :     }
      49             : 
      50       27375 :     t = tmp + 8;
      51      246375 :     for (y=0; y<8; y++) {
      52     1971000 :         for (x=0; x<8; x++) {
      53     3504000 :             dst[x] = av_clip_uint8((  t[x-8 ] * v_weights[0]
      54     1752000 :                                  + t[x   ] * v_weights[1]
      55     1752000 :                                  + t[x+8 ] * v_weights[2]
      56     1752000 :                                  + t[x+16] * v_weights[3] + 64) >> 7);
      57             :         }
      58      219000 :         dst += stride;
      59      219000 :         t += 8;
      60             :     }
      61       27375 : }

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