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https://git.ffmpeg.org/ffmpeg.git
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c00cd007e8
All versions of MSVC that support C11 (namely >= v19.27)
also support the restrict keyword, therefore av_restrict
is no longer necessary since 75697836b1.
Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*
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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 <float.h>
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#include "libavutil/mem_internal.h"
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#include "libavcodec/vorbisdsp.h"
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#include "checkasm.h"
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#define LEN 512
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#define randomize_buffer(buf) \
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do { \
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double bmg[2], stddev = 10.0, mean = 0.0; \
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\
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for (int i = 0; i < LEN; i += 2) { \
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av_bmg_get(&checkasm_lfg, bmg); \
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buf[i] = bmg[0] * stddev + mean; \
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buf[i + 1] = bmg[1] * stddev + mean; \
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} \
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} while(0);
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static void test_inverse_coupling(void)
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{
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LOCAL_ALIGNED_16(float, src0, [LEN]);
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LOCAL_ALIGNED_16(float, src1, [LEN]);
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LOCAL_ALIGNED_16(float, cdst, [LEN]);
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LOCAL_ALIGNED_16(float, odst, [LEN]);
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LOCAL_ALIGNED_16(float, cdst1, [LEN]);
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LOCAL_ALIGNED_16(float, odst1, [LEN]);
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declare_func(void, float *restrict mag, float *restrict ang,
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ptrdiff_t blocksize);
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randomize_buffer(src0);
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randomize_buffer(src1);
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memcpy(cdst, src0, LEN * sizeof(*src0));
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memcpy(cdst1, src1, LEN * sizeof(*src1));
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memcpy(odst, src0, LEN * sizeof(*src0));
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memcpy(odst1, src1, LEN * sizeof(*src1));
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call_ref(cdst, cdst1, LEN);
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call_new(odst, odst1, LEN);
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for (int i = 0; i < LEN; i++) {
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if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON) ||
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!float_near_abs_eps(cdst1[i], odst1[i], FLT_EPSILON)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst1[i], odst1[i], cdst1[i] - odst1[i]);
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fail();
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break;
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}
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}
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bench_new(src0, src1, LEN);
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}
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void checkasm_check_vorbisdsp(void)
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{
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VorbisDSPContext dsp;
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ff_vorbisdsp_init(&dsp);
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if (check_func(dsp.vorbis_inverse_coupling, "inverse_coupling"))
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test_inverse_coupling();
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report("inverse_coupling");
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}
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