GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/audiodsp.c Lines: 58 58 100.0 %
Date: 2019-11-20 04:07:19 Branches: 15 16 93.8 %

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 "libavutil/attributes.h"
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#include "libavutil/common.h"
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#include "audiodsp.h"
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2375168
static inline uint32_t clipf_c_one(uint32_t a, uint32_t mini,
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                                   uint32_t maxi, uint32_t maxisign)
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{
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2375168
    if (a > mini)
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368
        return mini;
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2374800
    else if ((a ^ (1U << 31)) > maxisign)
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        return maxi;
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    else
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2374422
        return a;
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}
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4299
static void vector_clipf_c_opposite_sign(float *dst, const float *src,
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                                         float *min, float *max, int len)
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{
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    int i;
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4299
    uint32_t mini        = *(uint32_t *) min;
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4299
    uint32_t maxi        = *(uint32_t *) max;
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4299
    uint32_t maxisign    = maxi ^ (1U << 31);
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4299
    uint32_t *dsti       = (uint32_t *) dst;
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4299
    const uint32_t *srci = (const uint32_t *) src;
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301195
    for (i = 0; i < len; i += 8) {
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296896
        dsti[i + 0] = clipf_c_one(srci[i + 0], mini, maxi, maxisign);
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296896
        dsti[i + 1] = clipf_c_one(srci[i + 1], mini, maxi, maxisign);
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296896
        dsti[i + 2] = clipf_c_one(srci[i + 2], mini, maxi, maxisign);
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296896
        dsti[i + 3] = clipf_c_one(srci[i + 3], mini, maxi, maxisign);
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296896
        dsti[i + 4] = clipf_c_one(srci[i + 4], mini, maxi, maxisign);
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296896
        dsti[i + 5] = clipf_c_one(srci[i + 5], mini, maxi, maxisign);
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296896
        dsti[i + 6] = clipf_c_one(srci[i + 6], mini, maxi, maxisign);
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296896
        dsti[i + 7] = clipf_c_one(srci[i + 7], mini, maxi, maxisign);
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    }
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4299
}
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4301
static void vector_clipf_c(float *dst, const float *src, int len,
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                           float min, float max)
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{
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    int i;
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4301
    if (min < 0 && max > 0) {
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4299
        vector_clipf_c_opposite_sign(dst, src, &min, &max, len);
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    } else {
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        for (i = 0; i < len; i += 8) {
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            dst[i]     = av_clipf(src[i], min, max);
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            dst[i + 1] = av_clipf(src[i + 1], min, max);
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428
            dst[i + 2] = av_clipf(src[i + 2], min, max);
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428
            dst[i + 3] = av_clipf(src[i + 3], min, max);
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428
            dst[i + 4] = av_clipf(src[i + 4], min, max);
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428
            dst[i + 5] = av_clipf(src[i + 5], min, max);
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428
            dst[i + 6] = av_clipf(src[i + 6], min, max);
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            dst[i + 7] = av_clipf(src[i + 7], min, max);
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        }
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    }
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4301
}
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842886
static int32_t scalarproduct_int16_c(const int16_t *v1, const int16_t *v2,
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                                     int order)
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{
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842886
    int res = 0;
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47303054
    while (order--)
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46460168
        res += *v1++ **v2++;
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842886
    return res;
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}
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148432
static void vector_clip_int32_c(int32_t *dst, const int32_t *src, int32_t min,
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                                int32_t max, unsigned int len)
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{
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    do {
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        *dst++ = av_clip(*src++, min, max);
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148432
        len   -= 8;
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148432
    } while (len > 0);
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1592
}
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av_cold void ff_audiodsp_init(AudioDSPContext *c)
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{
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    c->scalarproduct_int16 = scalarproduct_int16_c;
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    c->vector_clip_int32   = vector_clip_int32_c;
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    c->vector_clipf        = vector_clipf_c;
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    if (ARCH_ARM)
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        ff_audiodsp_init_arm(c);
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    if (ARCH_PPC)
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        ff_audiodsp_init_ppc(c);
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    if (ARCH_X86)
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        ff_audiodsp_init_x86(c);
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}