mirror of
https://github.com/librempeg/librempeg
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2ac747b008
The requirement is either 8 or 16 bytes alignment, not 32. This should help finding bugs in asm implementations. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Paul B Mahol <onemda@gmail.com>
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/*
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* Copyright (c) 2015 Henrik Gramner
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include "checkasm.h"
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#include "libavcodec/blockdsp.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mem_internal.h"
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#define randomize_buffers(size) \
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do { \
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int i; \
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for (i = 0; i < size; i++) { \
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uint16_t r = rnd(); \
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AV_WN16A(buf0 + i, r); \
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AV_WN16A(buf1 + i, r); \
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} \
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} while (0)
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#define check_clear(func, size) \
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do { \
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if (check_func(h.func, "blockdsp." #func)) { \
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declare_func(void, int16_t *block); \
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randomize_buffers(size); \
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call_ref(buf0); \
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call_new(buf1); \
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if (memcmp(buf0, buf1, sizeof(*buf0) * size)) \
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fail(); \
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bench_new(buf0); \
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} \
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} while (0)
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static void check_fill(BlockDSPContext *h){
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LOCAL_ALIGNED_16(uint8_t, buf0_16, [16 * 16]);
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LOCAL_ALIGNED_16(uint8_t, buf1_16, [16 * 16]);
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for (int t = 0; t < 2; ++t) {
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uint8_t *buf0 = buf0_16 + t * /* force 8 byte alignment */ 8;
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uint8_t *buf1 = buf1_16 + t * /* force 8 byte alignment */ 8;
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int n = 16 - 8 * t;
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declare_func(void, uint8_t *block, uint8_t value,
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ptrdiff_t line_size, int h);
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if (check_func(h->fill_block_tab[t], "blockdsp.fill_block_tab[%d]", t)) {
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uint8_t value = rnd();
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memset(buf0, 0, sizeof(*buf0) * n * n);
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memset(buf1, 0, sizeof(*buf1) * n * n);
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call_ref(buf0, value, n, n);
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call_new(buf1, value, n, n);
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if (memcmp(buf0, buf1, sizeof(*buf0) * n * n))
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fail();
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bench_new(buf0, value, n, n);
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}
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}
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}
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void checkasm_check_blockdsp(void)
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{
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LOCAL_ALIGNED_32(uint16_t, buf0, [6 * 8 * 8]);
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LOCAL_ALIGNED_32(uint16_t, buf1, [6 * 8 * 8]);
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BlockDSPContext h;
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ff_blockdsp_init(&h);
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check_clear(clear_block, 8 * 8);
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check_clear(clear_blocks, 8 * 8 * 6);
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check_fill(&h);
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report("blockdsp");
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}
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