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Diffstat (limited to 'tests/checkasm/dcadsp.c')
-rw-r--r-- | tests/checkasm/dcadsp.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/tests/checkasm/dcadsp.c b/tests/checkasm/dcadsp.c new file mode 100644 index 0000000000..e0a4f4de98 --- /dev/null +++ b/tests/checkasm/dcadsp.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2015 Janne Grunau + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with FFmpeg; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <math.h> +#include <string.h> +#include <stdlib.h> + +#include "libavutil/internal.h" +#include "libavutil/intfloat.h" +#include "libavcodec/dca.h" +#include "libavcodec/dcadsp.h" +#include "libavcodec/dcadata.h" + +#include "checkasm.h" + +#define randomize_lfe_fir(size) \ + do { \ + int i; \ + for (i = 0; i < size; i++) { \ + float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f; \ + in[i] = f; \ + } \ + for (i = 0; i < 256; i++) { \ + float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f; \ + coeffs[i] = f; \ + } \ + } while (0) + +#define check_lfe_fir(decifactor, eps) \ + do { \ + LOCAL_ALIGNED_16(float, in, [256 / decifactor]); \ + LOCAL_ALIGNED_16(float, out0, [decifactor * 2]); \ + LOCAL_ALIGNED_16(float, out1, [decifactor * 2]); \ + LOCAL_ALIGNED_16(float, coeffs, [256]); \ + int i; \ + const float * in_ptr = in + (256 / decifactor) - 1; \ + declare_func(void, float *out, const float *in, const float *coeffs); \ + /* repeat the test several times */ \ + for (i = 0; i < 32; i++) { \ + int j; \ + memset(out0, 0, sizeof(*out0) * 2 * decifactor); \ + memset(out1, 0xFF, sizeof(*out1) * 2 * decifactor); \ + randomize_lfe_fir(256 / decifactor); \ + call_ref(out0, in_ptr, coeffs); \ + call_new(out1, in_ptr, coeffs); \ + for (j = 0; j < 2 * decifactor; j++) { \ + if (!float_near_abs_eps(out0[j], out1[j], eps)) { \ + if (0) { \ + union av_intfloat32 x, y; x.f = out0[j]; y.f = out1[j]; \ + fprintf(stderr, "%3d: %11g (0x%08x); %11g (0x%08x)\n", \ + j, x.f, x.i, y.f, y.i); \ + } \ + fail(); \ + break; \ + } \ + } \ + bench_new(out1, in_ptr, coeffs); \ + } \ + } while (0) + +#define randomize_decode_hf() \ + do { \ + int i; \ + for (i = 0; i < DCA_SUBBANDS; i++) { \ + vq_num[i] = rnd() >> 22; \ + scale[i][0] = rnd() >> 26; \ + scale[i][1] = INT32_MIN; \ + } \ + } while (0) + +void checkasm_check_dcadsp(void) +{ + DCADSPContext c; + + ff_dcadsp_init(&c); + + /* values are limited to {-8, 8} so absolute epsilon is good enough */ + if (check_func(c.lfe_fir[0], "dca_lfe_fir0")) + check_lfe_fir(32, 1.0e-6f); + + if (check_func(c.lfe_fir[1], "dca_lfe_fir1")) + check_lfe_fir(64, 1.0e-6f); + + if (check_func(c.decode_hf, "dca_decode_hf")) { + LOCAL_ALIGNED_16(float, dst0, [DCA_SUBBANDS], [8]); + LOCAL_ALIGNED_16(float, dst1, [DCA_SUBBANDS], [8]); + LOCAL_ALIGNED_16(int32_t, scale, [DCA_SUBBANDS], [2]); + LOCAL_ALIGNED_16(int32_t, vq_num, [DCA_SUBBANDS]); + intptr_t start, end = 32, offset; + + declare_func(void, float[DCA_SUBBANDS][8], const int32_t[DCA_SUBBANDS], + const int8_t[1024][DCA_SUBBANDS], intptr_t, int32_t[DCA_SUBBANDS][2], + intptr_t, intptr_t); + + for (start = 0; start < 32; start++) { + for (offset = 0; offset < 32; offset += 8) { + int j; + for (j = 0; j < DCA_SUBBANDS; j++) { + memset(dst0[j], 0, sizeof(*(dst0[j])) * 8); + memset(dst1[j], 0, sizeof(*(dst1[j])) * 8); + } + randomize_decode_hf(); + + call_ref(dst0, vq_num, ff_dca_high_freq_vq, offset, scale, start, end); + call_new(dst1, vq_num, ff_dca_high_freq_vq, offset, scale, start, end); + + for (j = 0; j < 8 * DCA_SUBBANDS; j++) { + if (!float_near_ulp(dst0[j>>3][j&7], dst1[j>>3][j&7], 1)) { + fail(); + break; + } + } + + bench_new(dst1, vq_num, ff_dca_high_freq_vq, offset, scale, start, end); + } + } + } + + report("dcadsp"); +} |