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| 1 | +/* |
| 2 | + * Copyright (c) 2016 Alexandra Hájková |
| 3 | + * |
| 4 | + * This file is part of FFmpeg. |
| 5 | + * |
| 6 | + * FFmpeg is free software; you can redistribute it and/or modify |
| 7 | + * it under the terms of the GNU General Public License as published by |
| 8 | + * the Free Software Foundation; either version 2 of the License, or |
| 9 | + * (at your option) any later version. |
| 10 | + * |
| 11 | + * FFmpeg is distributed in the hope that it will be useful, |
| 12 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | + * GNU General Public License for more details. |
| 15 | + * |
| 16 | + * You should have received a copy of the GNU General Public License along |
| 17 | + * with FFmpeg; if not, write to the Free Software Foundation, Inc., |
| 18 | + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | + */ |
| 20 | + |
| 21 | +#include <string.h> |
| 22 | + |
| 23 | +#include "libavutil/intreadwrite.h" |
| 24 | + |
| 25 | +#include "libavcodec/hevcdsp.h" |
| 26 | + |
| 27 | +#include "checkasm.h" |
| 28 | + |
| 29 | +#define randomize_buffers(buf, size) \ |
| 30 | + do { \ |
| 31 | + int j; \ |
| 32 | + for (j = 0; j < size; j++) { \ |
| 33 | + int16_t r = rnd(); \ |
| 34 | + AV_WN16A(buf + j, r); \ |
| 35 | + } \ |
| 36 | + } while (0) |
| 37 | + |
| 38 | +static void check_idct_dc(HEVCDSPContext h, int bit_depth) |
| 39 | +{ |
| 40 | + int i; |
| 41 | + LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]); |
| 42 | + LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]); |
| 43 | + |
| 44 | + for (i = 2; i <= 5; i++) { |
| 45 | + int block_size = 1 << i; |
| 46 | + int size = block_size * block_size; |
| 47 | + declare_func_emms(AV_CPU_FLAG_MMXEXT, void, int16_t *coeffs); |
| 48 | + |
| 49 | + randomize_buffers(coeffs0, size); |
| 50 | + memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size); |
| 51 | + |
| 52 | + if (check_func(h.idct_dc[i - 2], "idct_%dx%d_dc_%d", block_size, block_size, bit_depth)) { |
| 53 | + call_ref(coeffs0); |
| 54 | + call_new(coeffs1); |
| 55 | + if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size)) |
| 56 | + fail(); |
| 57 | + bench_new(coeffs1); |
| 58 | + } |
| 59 | + } |
| 60 | +} |
| 61 | + |
| 62 | +void checkasm_check_hevc_idct(void) |
| 63 | +{ |
| 64 | + int bit_depth; |
| 65 | + |
| 66 | + for (bit_depth = 8; bit_depth <= 10; bit_depth++) { |
| 67 | + HEVCDSPContext h; |
| 68 | + |
| 69 | + ff_hevc_dsp_init(&h, bit_depth); |
| 70 | + check_idct_dc(h, bit_depth); |
| 71 | + } |
| 72 | + report("idct_dc"); |
| 73 | +} |