GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/x86/pngdsp_init.c Lines: 9 9 100.0 %
Date: 2020-09-25 14:59:26 Branches: 6 6 100.0 %

Line Branch Exec Source
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/*
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 * x86 PNG optimizations.
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 * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "libavutil/attributes.h"
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#include "libavutil/common.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/pngdsp.h"
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void ff_add_png_paeth_prediction_mmxext(uint8_t *dst, uint8_t *src,
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                                        uint8_t *top, int w, int bpp);
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void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src,
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                                       uint8_t *top, int w, int bpp);
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void ff_add_bytes_l2_mmx (uint8_t *dst, uint8_t *src1,
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                          uint8_t *src2, int w);
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void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1,
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                          uint8_t *src2, int w);
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av_cold void ff_pngdsp_init_x86(PNGDSPContext *dsp)
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{
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    int cpu_flags = av_get_cpu_flags();
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#if ARCH_X86_32
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    if (EXTERNAL_MMX(cpu_flags))
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        dsp->add_bytes_l2         = ff_add_bytes_l2_mmx;
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#endif
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    if (EXTERNAL_MMXEXT(cpu_flags))
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        dsp->add_paeth_prediction = ff_add_png_paeth_prediction_mmxext;
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    if (EXTERNAL_SSE2(cpu_flags))
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        dsp->add_bytes_l2         = ff_add_bytes_l2_sse2;
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    if (EXTERNAL_SSSE3(cpu_flags))
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        dsp->add_paeth_prediction = ff_add_png_paeth_prediction_ssse3;
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}