mirror of https://git.ffmpeg.org/ffmpeg.git
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
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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/avcodec.h"
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#include "libavcodec/fdctdsp.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#include "libavutil/mem_internal.h"
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static int int16_cmp_off_by_n(const int16_t *ref, const int16_t *test, size_t n, int accuracy)
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{
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for (size_t i = 0; i < n; i++) {
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if (abs(ref[i] - test[i]) > accuracy)
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return 1;
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}
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return 0;
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}
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static void check_fdct(void)
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{
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LOCAL_ALIGNED_16(int16_t, block0, [64]);
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LOCAL_ALIGNED_16(int16_t, block1, [64]);
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AVCodecContext avctx = {
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.bits_per_raw_sample = 8,
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.dct_algo = FF_DCT_AUTO,
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};
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FDCTDSPContext h;
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ff_fdctdsp_init(&h, &avctx);
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if (check_func(h.fdct, "fdct")) {
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declare_func(void, int16_t *);
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for (int i = 0; i < 64; i++) {
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uint8_t r = rnd();
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block0[i] = r;
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block1[i] = r;
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}
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call_ref(block0);
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call_new(block1);
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if (int16_cmp_off_by_n(block0, block1, 64, 2))
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fail();
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bench_new(block1);
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}
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}
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void checkasm_check_fdctdsp(void)
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{
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check_fdct();
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report("fdctdsp");
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}
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