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https://git.ffmpeg.org/ffmpeg.git
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122 lines
4.3 KiB
C
122 lines
4.3 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 <stddef.h>
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#include <stdint.h>
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#include "checkasm.h"
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#include "libavcodec/sbcdsp.h"
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#include "libavcodec/sbcdsp_data.h"
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#include "libavutil/macros.h"
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#include "libavutil/mem_internal.h"
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enum {
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SBC_MAX_SUBBANDS = 8,
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};
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#define randomize_buffer(buf) \
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do { \
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for (size_t k = 0; k < FF_ARRAY_ELEMS(buf); ++k) \
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buf[k] = rnd(); \
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} while (0)
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static void check_sbc_analyze(SBCDSPContext *sbcdsp)
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{
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DECLARE_ALIGNED(SBC_ALIGN, int16_t, in)[10 * SBC_MAX_SUBBANDS];
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DECLARE_ALIGNED(SBC_ALIGN, int32_t, out_ref)[SBC_MAX_SUBBANDS];
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DECLARE_ALIGNED(SBC_ALIGN, int32_t, out_new)[SBC_MAX_SUBBANDS];
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declare_func(void, const int16_t *in, int32_t *out, const int16_t *consts);
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for (int i = 0; i < 2; ++i) {
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if (check_func(i ? sbcdsp->sbc_analyze_8 : sbcdsp->sbc_analyze_4, "sbc_analyze_%u", i ? 8 : 4)) {
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randomize_buffer(in);
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randomize_buffer(out_ref);
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memcpy(out_new, out_ref, sizeof(out_new));
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// the input is always 16-byte aligned for sbc_analyze_8
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// for sbc_analyze_4 it can be 0 or 8 mod 16.
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const int16_t *const inp = i || rnd() & 1 ? in : in + 4;
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// Use the proper const tables as random ones can cause overflow
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#define CONST(SIZE, ODDEVEN) sbcdsp_analysis_consts_fixed ## SIZE ## _simd_ ## ODDEVEN
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const int16_t *const consts = rnd() & 1 ? (i ? CONST(8, odd) : CONST(4, odd))
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: (i ? CONST(8, even) : CONST(4, even));
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call_ref(inp, out_ref, consts);
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call_new(inp, out_new, consts);
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if (memcmp(out_ref, out_new, sizeof(out_new)))
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fail();
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bench_new(inp, out_new, consts);
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}
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}
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report("sbc_analyze");
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}
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static void check_sbc_calc_scalefactors(const SBCDSPContext *const sbcdsp)
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{
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DECLARE_ALIGNED(SBC_ALIGN, int32_t, sb_sample_f)[16][2][8];
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DECLARE_ALIGNED(SBC_ALIGN, uint32_t, scale_factor_ref)[2][8];
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DECLARE_ALIGNED(SBC_ALIGN, uint32_t, scale_factor_new)[2][8];
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declare_func(void, const int32_t sb_sample_f[16][2][8],
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uint32_t scale_factor[2][8],
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int blocks, int channels, int subbands);
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static int blocks = 0;
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if (!blocks)
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blocks = ((const int[]){4, 8, 12, 15, 16})[rnd() % 5];
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int inited = 0;
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for (int ch = 1; ch <= 2; ++ch) {
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for (int subbands = 4; subbands <= 8; subbands += 4) {
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if (!check_func(sbcdsp->sbc_calc_scalefactors, "calc_scalefactors_%dch_%dsubbands", ch, subbands))
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return;
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if (!inited) {
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for (size_t i = 0; i < FF_ARRAY_ELEMS(sb_sample_f); ++i)
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for (size_t j = 0; j < FF_ARRAY_ELEMS(sb_sample_f[0]); ++j)
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for (size_t k = 0; k < FF_ARRAY_ELEMS(sb_sample_f[0][0]); ++k)
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sb_sample_f[i][j][k] = rnd();
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}
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call_ref(sb_sample_f, scale_factor_ref, blocks, ch, subbands);
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call_new(sb_sample_f, scale_factor_new, blocks, ch, subbands);
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for (int i = 0; i < ch; ++i)
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for (int j = 0; j < subbands; ++j)
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if (scale_factor_ref[i][j] != scale_factor_new[i][j])
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fail();
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bench_new(sb_sample_f, scale_factor_new, blocks, ch, subbands);
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}
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}
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}
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void checkasm_check_sbcdsp(void)
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{
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SBCDSPContext sbcdsp;
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ff_sbcdsp_init(&sbcdsp);
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check_sbc_analyze(&sbcdsp);
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check_sbc_calc_scalefactors(&sbcdsp);
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report("calc_scalefactors");
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}
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