GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/x86/h264chroma_init.c Lines: 21 31 67.7 %
Date: 2020-10-23 17:01:47 Branches: 19 34 55.9 %

Line Branch Exec Source
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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 <stdint.h>
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#include "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/h264chroma.h"
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void ff_put_h264_chroma_mc8_rnd_mmx  (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_avg_h264_chroma_mc8_rnd_mmxext(uint8_t *dst, uint8_t *src,
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                                       ptrdiff_t stride, int h, int x, int y);
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void ff_avg_h264_chroma_mc8_rnd_3dnow(uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_put_h264_chroma_mc4_mmx      (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_avg_h264_chroma_mc4_mmxext   (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_avg_h264_chroma_mc4_3dnow    (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_put_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_avg_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_put_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_put_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_avg_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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void ff_avg_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
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                                      ptrdiff_t stride, int h, int x, int y);
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#define CHROMA_MC(OP, NUM, DEPTH, OPT)                                  \
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void ff_ ## OP ## _h264_chroma_mc ## NUM ## _ ## DEPTH ## _ ## OPT      \
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                                      (uint8_t *dst, uint8_t *src,      \
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                                       ptrdiff_t stride, int h, int x, int y);
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CHROMA_MC(put, 2, 10, mmxext)
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CHROMA_MC(avg, 2, 10, mmxext)
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CHROMA_MC(put, 4, 10, mmxext)
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CHROMA_MC(avg, 4, 10, mmxext)
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CHROMA_MC(put, 8, 10, sse2)
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CHROMA_MC(avg, 8, 10, sse2)
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CHROMA_MC(put, 8, 10, avx)
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CHROMA_MC(avg, 8, 10, avx)
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av_cold void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
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{
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    int high_bit_depth = bit_depth > 8;
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    int cpu_flags      = av_get_cpu_flags();
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    if (EXTERNAL_MMX(cpu_flags) && !high_bit_depth) {
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        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_mmx;
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        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmx;
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    }
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    if (EXTERNAL_AMD3DNOW(cpu_flags) && !high_bit_depth) {
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        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_3dnow;
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        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_3dnow;
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    }
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    if (EXTERNAL_MMXEXT(cpu_flags) && !high_bit_depth) {
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        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_mmxext;
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        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmxext;
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        c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_mmxext;
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        c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_mmxext;
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    }
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    if (EXTERNAL_MMXEXT(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
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        c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_10_mmxext;
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        c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_10_mmxext;
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        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_10_mmxext;
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        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_10_mmxext;
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    }
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    if (EXTERNAL_SSE2(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
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        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_sse2;
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        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_sse2;
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    }
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    if (EXTERNAL_SSSE3(cpu_flags) && !high_bit_depth) {
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        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_ssse3;
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        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_ssse3;
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        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_ssse3;
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        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_ssse3;
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    }
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    if (EXTERNAL_AVX(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
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        // AVX implies !cache64.
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        // TODO: Port cache(32|64) detection from x264.
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        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_avx;
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        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_avx;
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    }
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}