GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/lossless_audiodsp.c Lines: 21 21 100.0 %
Date: 2019-11-18 18:00:01 Branches: 4 4 100.0 %

Line Branch Exec Source
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/*
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 * Monkey's Audio lossless audio decoder
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 * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
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 *  based upon libdemac from Dave Chapman.
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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 "avcodec.h"
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#include "lossless_audiodsp.h"
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static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2,
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                                              const int16_t *v3,
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                                              int order, int mul)
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{
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    int res = 0;
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    do {
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        res   += *v1 * *v2++;
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        *v1++ += mul * *v3++;
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        res   += *v1 * *v2++;
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        *v1++ += mul * *v3++;
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    } while (order-=2);
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    return res;
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}
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static int32_t scalarproduct_and_madd_int32_c(int16_t *v1, const int32_t *v2,
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                                              const int16_t *v3,
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                                              int order, int mul)
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{
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    int res = 0;
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    do {
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        res   += *v1 * (uint32_t)*v2++;
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        *v1++ += mul * *v3++;
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        res   += *v1 * (uint32_t)*v2++;
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        *v1++ += mul * *v3++;
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    } while (order-=2);
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    return res;
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}
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av_cold void ff_llauddsp_init(LLAudDSPContext *c)
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{
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    c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c;
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    c->scalarproduct_and_madd_int32 = scalarproduct_and_madd_int32_c;
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    if (ARCH_ARM)
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        ff_llauddsp_init_arm(c);
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    if (ARCH_PPC)
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        ff_llauddsp_init_ppc(c);
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    if (ARCH_X86)
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        ff_llauddsp_init_x86(c);
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}