GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/pixblockdsp.c Lines: 53 53 100.0 %
Date: 2021-04-20 15:25:36 Branches: 7 10 70.0 %

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/intreadwrite.h"
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#include "avcodec.h"
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#include "pixblockdsp.h"
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3902400
static void get_pixels_16_c(int16_t *av_restrict block, const uint8_t *pixels,
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                            ptrdiff_t stride)
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{
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3902400
    AV_COPY128U(block + 0 * 8, pixels + 0 * stride);
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3902400
    AV_COPY128U(block + 1 * 8, pixels + 1 * stride);
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    AV_COPY128U(block + 2 * 8, pixels + 2 * stride);
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3902400
    AV_COPY128U(block + 3 * 8, pixels + 3 * stride);
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    AV_COPY128U(block + 4 * 8, pixels + 4 * stride);
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3902400
    AV_COPY128U(block + 5 * 8, pixels + 5 * stride);
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3902400
    AV_COPY128U(block + 6 * 8, pixels + 6 * stride);
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    AV_COPY128U(block + 7 * 8, pixels + 7 * stride);
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3902400
}
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103895894
static void get_pixels_8_c(int16_t *av_restrict block, const uint8_t *pixels,
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                           ptrdiff_t stride)
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{
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    int i;
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    /* read the pixels */
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    for (i = 0; i < 8; i++) {
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831167152
        block[0] = pixels[0];
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831167152
        block[1] = pixels[1];
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831167152
        block[2] = pixels[2];
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831167152
        block[3] = pixels[3];
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831167152
        block[4] = pixels[4];
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831167152
        block[5] = pixels[5];
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831167152
        block[6] = pixels[6];
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831167152
        block[7] = pixels[7];
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831167152
        pixels  += stride;
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831167152
        block   += 8;
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    }
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103895894
}
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21228668
static void diff_pixels_c(int16_t *av_restrict block, const uint8_t *s1,
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                          const uint8_t *s2, ptrdiff_t stride)
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{
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    int i;
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    /* read the pixels */
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191058012
    for (i = 0; i < 8; i++) {
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169829344
        block[0] = s1[0] - s2[0];
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169829344
        block[1] = s1[1] - s2[1];
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169829344
        block[2] = s1[2] - s2[2];
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169829344
        block[3] = s1[3] - s2[3];
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169829344
        block[4] = s1[4] - s2[4];
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169829344
        block[5] = s1[5] - s2[5];
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169829344
        block[6] = s1[6] - s2[6];
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169829344
        block[7] = s1[7] - s2[7];
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169829344
        s1      += stride;
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169829344
        s2      += stride;
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169829344
        block   += 8;
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    }
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21228668
}
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av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
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{
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    const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
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    c->diff_pixels_unaligned =
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    c->diff_pixels = diff_pixels_c;
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    switch (avctx->bits_per_raw_sample) {
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    case 9:
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    case 10:
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    case 12:
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    case 14:
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        c->get_pixels_unaligned =
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        c->get_pixels = get_pixels_16_c;
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        break;
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    default:
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        if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
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            c->get_pixels_unaligned =
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            c->get_pixels = get_pixels_8_c;
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        }
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        break;
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    }
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    if (ARCH_AARCH64)
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        ff_pixblockdsp_init_aarch64(c, avctx, high_bit_depth);
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    if (ARCH_ALPHA)
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        ff_pixblockdsp_init_alpha(c, avctx, high_bit_depth);
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    if (ARCH_ARM)
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        ff_pixblockdsp_init_arm(c, avctx, high_bit_depth);
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    if (ARCH_PPC)
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        ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
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    if (ARCH_X86)
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        ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);
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    if (ARCH_MIPS)
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        ff_pixblockdsp_init_mips(c, avctx, high_bit_depth);
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}