blockdsp.c

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/*
 * Copyright (c) 2015 Henrik Gramner
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#include <string.h>
 
#include "checkasm.h"
 
#include "libavcodec/blockdsp.h"
 
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"
 
#define randomize_buffers(size)             \
    do {                                    \
        int i;                              \
        for (i = 0; i < size; i++) {        \
            uint16_t r = rnd();             \
            AV_WN16A(buf0 + i, r);          \
            AV_WN16A(buf1 + i, r);          \
        }                                   \
    } while (0)
 
#define check_clear(func, size)                                     \
do {                                                                \
    if (check_func(h.func, "blockdsp." #func)) {                    \
        declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *block);   \
        randomize_buffers(size);                                    \
        call_ref(buf0);                                             \
        call_new(buf1);                                             \
        if (memcmp(buf0, buf1, sizeof(*buf0) * size))               \
            fail();                                                 \
        bench_new(buf0);                                            \
    }                                                               \
} while (0)
 
void checkasm_check_blockdsp(void)
{
    LOCAL_ALIGNED_32(uint16_t, buf0, [6 * 8 * 8]);
    LOCAL_ALIGNED_32(uint16_t, buf1, [6 * 8 * 8]);
 
    AVCodecContext avctx = { 0 };
    BlockDSPContext h;
 
    ff_blockdsp_init(&h, &avctx);
 
    check_clear(clear_block,  8 * 8);
    check_clear(clear_blocks, 8 * 8 * 6);
 
    report("blockdsp");
}