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99 lines
3.3 KiB
99 lines
3.3 KiB
3 years ago
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/*
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* Copyright (c) 2022 Ben Avison
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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/idctdsp.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 IDCTDSP_TEST(func) { #func, offsetof(IDCTDSPContext, func) },
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typedef struct {
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const char *name;
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size_t offset;
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} test;
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#define RANDOMIZE_BUFFER16(name, 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() % 0x201 - 0x100; \
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AV_WN16A(name##0 + i, r); \
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AV_WN16A(name##1 + i, r); \
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} \
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} while (0)
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#define RANDOMIZE_BUFFER8(name, 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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uint8_t r = rnd(); \
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name##0[i] = r; \
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name##1[i] = r; \
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} \
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} while (0)
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static void check_add_put_clamped(void)
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{
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/* Source buffers are only as big as needed, since any over-read won't affect results */
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LOCAL_ALIGNED_16(int16_t, src0, [64]);
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LOCAL_ALIGNED_16(int16_t, src1, [64]);
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/* Destination buffers have borders of one row above/below and 8 columns left/right to catch overflows */
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LOCAL_ALIGNED_8(uint8_t, dst0, [10 * 24]);
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LOCAL_ALIGNED_8(uint8_t, dst1, [10 * 24]);
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AVCodecContext avctx = { 0 };
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IDCTDSPContext h;
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const test tests[] = {
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IDCTDSP_TEST(add_pixels_clamped)
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IDCTDSP_TEST(put_pixels_clamped)
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IDCTDSP_TEST(put_signed_pixels_clamped)
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};
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ff_idctdsp_init(&h, &avctx);
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for (size_t t = 0; t < FF_ARRAY_ELEMS(tests); ++t) {
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void (*func)(const int16_t *, uint8_t * ptrdiff_t) = *(void **)((intptr_t) &h + tests[t].offset);
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if (check_func(func, "idctdsp.%s", tests[t].name)) {
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declare_func_emms(AV_CPU_FLAG_MMX, void, const int16_t *, uint8_t *, ptrdiff_t);
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RANDOMIZE_BUFFER16(src, 64);
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RANDOMIZE_BUFFER8(dst, 10 * 24);
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call_ref(src0, dst0 + 24 + 8, 24);
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call_new(src1, dst1 + 24 + 8, 24);
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if (memcmp(dst0, dst1, 10 * 24))
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fail();
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bench_new(src1, dst1 + 24 + 8, 24);
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}
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}
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}
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void checkasm_check_idctdsp(void)
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{
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check_add_put_clamped();
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report("idctdsp");
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}
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