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https://github.com/FFmpeg/FFmpeg.git
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50bbb67472
* commit 'e3f941cb03b139b866a0ad6dc95fbe1b247d54af': checkasm: add a test for HEVC IDCT Merged-by: Clément Bœsch <u@pkh.me>
106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/*
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* Copyright (c) 2016 Alexandra Hájková
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*
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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 <string.h>
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#include "libavutil/intreadwrite.h"
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#include "libavcodec/hevcdsp.h"
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#include "checkasm.h"
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#define randomize_buffers(buf, size) \
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do { \
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int j; \
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for (j = 0; j < size; j++) { \
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int16_t r = rnd(); \
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AV_WN16A(buf + j, r); \
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} \
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} while (0)
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static void check_idct(HEVCDSPContext h, int bit_depth)
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{
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int i;
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LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
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LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
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for (i = 2; i <= 5; i++) {
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int block_size = 1 << i;
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int size = block_size * block_size;
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int col_limit = block_size;
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declare_func(void, int16_t *coeffs, int col_limit);
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randomize_buffers(coeffs0, size);
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memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
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if (check_func(h.idct[i - 2], "hevc_idct_%dx%d_%d", block_size, block_size, bit_depth)) {
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call_ref(coeffs0, col_limit);
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call_new(coeffs1, col_limit);
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if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
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fail();
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bench_new(coeffs1, col_limit);
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}
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}
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}
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static void check_idct_dc(HEVCDSPContext h, int bit_depth)
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{
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int i;
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LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
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LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
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for (i = 2; i <= 5; i++) {
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int block_size = 1 << i;
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int size = block_size * block_size;
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declare_func_emms(AV_CPU_FLAG_MMXEXT, void, int16_t *coeffs);
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randomize_buffers(coeffs0, size);
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memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
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if (check_func(h.idct_dc[i - 2], "hevc_idct_%dx%d_dc_%d", block_size, block_size, bit_depth)) {
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call_ref(coeffs0);
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call_new(coeffs1);
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if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
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fail();
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bench_new(coeffs1);
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}
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}
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}
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void checkasm_check_hevc_idct(void)
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{
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int bit_depth;
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for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
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HEVCDSPContext h;
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ff_hevc_dsp_init(&h, bit_depth);
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check_idct_dc(h, bit_depth);
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}
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report("idct_dc");
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for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
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HEVCDSPContext h;
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ff_hevc_dsp_init(&h, bit_depth);
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check_idct(h, bit_depth);
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}
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report("idct");
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}
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