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80 lines
2.3 KiB
80 lines
2.3 KiB
/* |
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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 "libavutil/mem_internal.h" |
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#include "libavcodec/lpc.h" |
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#include "checkasm.h" |
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#define randomize_int32(buf, len) \ |
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do { \ |
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for (int i = 0; i < len; i++) { \ |
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int32_t f = rnd() >> 8; \ |
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buf[i] = f; \ |
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} \ |
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} while (0) |
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#define EPS 0.005 |
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static void test_window(int len) |
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{ |
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LOCAL_ALIGNED(16, int32_t, src, [5000]); |
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LOCAL_ALIGNED(16, double, dst0, [5000]); |
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LOCAL_ALIGNED(16, double, dst1, [5000]); |
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declare_func(void, int32_t *in, int len, double *out); |
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randomize_int32(src, len); |
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call_ref(src, len, dst0); |
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call_new(src, len, dst1); |
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if (!double_near_abs_eps_array(dst0, dst1, EPS, len)) |
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fail(); |
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bench_new(src, len, dst1); |
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} |
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void checkasm_check_lpc(void) |
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{ |
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LPCContext ctx; |
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ff_lpc_init(&ctx, 32, 16, FF_LPC_TYPE_DEFAULT); |
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if (check_func(ctx.lpc_apply_welch_window, "apply_welch_window_even")) { |
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for (int i = 0; i < 64; i += 2) |
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test_window(i); |
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} |
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report("apply_welch_window_even"); |
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if (check_func(ctx.lpc_apply_welch_window, "apply_welch_window_odd")) { |
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for (int i = 1; i < 64; i += 2) |
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test_window(i); |
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} |
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report("apply_welch_window_odd"); |
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if (check_func(ctx.lpc_apply_welch_window, "apply_welch_window_4096")) |
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test_window(4096); |
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report("apply_welch_window_4096"); |
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if (check_func(ctx.lpc_apply_welch_window, "apply_welch_window_4097")) |
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test_window(4097); |
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report("apply_welch_window_4097"); |
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ff_lpc_end(&ctx); |
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}
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