LCOV - code coverage report
Current view: top level - src/libavcodec/x86 - pngdsp_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 9 9 100.0 %
Date: 2017-01-22 02:20:28 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * x86 PNG optimizations.
       3             :  * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
       4             :  *
       5             :  * This file is part of FFmpeg.
       6             :  *
       7             :  * FFmpeg is free software; you can redistribute it and/or
       8             :  * modify it under the terms of the GNU Lesser General Public
       9             :  * License as published by the Free Software Foundation; either
      10             :  * version 2.1 of the License, or (at your option) any later version.
      11             :  *
      12             :  * FFmpeg is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :  * Lesser General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU Lesser General Public
      18             :  * License along with FFmpeg; if not, write to the Free Software
      19             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      20             :  */
      21             : 
      22             : #include "libavutil/attributes.h"
      23             : #include "libavutil/common.h"
      24             : #include "libavutil/x86/cpu.h"
      25             : #include "libavcodec/pngdsp.h"
      26             : 
      27             : void ff_add_png_paeth_prediction_mmxext(uint8_t *dst, uint8_t *src,
      28             :                                         uint8_t *top, int w, int bpp);
      29             : void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src,
      30             :                                        uint8_t *top, int w, int bpp);
      31             : void ff_add_bytes_l2_mmx (uint8_t *dst, uint8_t *src1,
      32             :                           uint8_t *src2, int w);
      33             : void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1,
      34             :                           uint8_t *src2, int w);
      35             : 
      36          70 : av_cold void ff_pngdsp_init_x86(PNGDSPContext *dsp)
      37             : {
      38          70 :     int cpu_flags = av_get_cpu_flags();
      39             : 
      40             : #if ARCH_X86_32
      41             :     if (EXTERNAL_MMX(cpu_flags))
      42             :         dsp->add_bytes_l2         = ff_add_bytes_l2_mmx;
      43             : #endif
      44          70 :     if (EXTERNAL_MMXEXT(cpu_flags))
      45           2 :         dsp->add_paeth_prediction = ff_add_png_paeth_prediction_mmxext;
      46          70 :     if (EXTERNAL_SSE2(cpu_flags))
      47           2 :         dsp->add_bytes_l2         = ff_add_bytes_l2_sse2;
      48          70 :     if (EXTERNAL_SSSE3(cpu_flags))
      49           2 :         dsp->add_paeth_prediction = ff_add_png_paeth_prediction_ssse3;
      50          70 : }

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