| /* |
| * 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 <string.h> |
| |
| #include "checkasm.h" |
| |
| #include "libavcodec/avcodec.h" |
| #include "libavcodec/fdctdsp.h" |
| |
| #include "libavutil/common.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/mem_internal.h" |
| |
| static int int16_cmp_off_by_n(const int16_t *ref, const int16_t *test, size_t n, int accuracy) |
| { |
| for (size_t i = 0; i < n; i++) { |
| if (abs(ref[i] - test[i]) > accuracy) |
| return 1; |
| } |
| return 0; |
| } |
| |
| static void check_fdct(void) |
| { |
| LOCAL_ALIGNED_16(int16_t, block0, [64]); |
| LOCAL_ALIGNED_16(int16_t, block1, [64]); |
| |
| AVCodecContext avctx = { |
| .bits_per_raw_sample = 8, |
| .dct_algo = FF_DCT_AUTO, |
| }; |
| FDCTDSPContext h; |
| |
| ff_fdctdsp_init(&h, &avctx); |
| |
| if (check_func(h.fdct, "fdct")) { |
| declare_func(void, int16_t *); |
| for (int i = 0; i < 64; i++) { |
| uint8_t r = rnd(); |
| block0[i] = r; |
| block1[i] = r; |
| } |
| call_ref(block0); |
| call_new(block1); |
| if (int16_cmp_off_by_n(block0, block1, 64, 2)) |
| fail(); |
| bench_new(block1); |
| } |
| } |
| |
| void checkasm_check_fdctdsp(void) |
| { |
| check_fdct(); |
| report("fdctdsp"); |
| } |