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https://github.com/FFmpeg/FFmpeg.git
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3f82b38516
Only the idct_dc and add_residual functions have MMX versions, so one can use the version with the stricter check (that checks that the MMX registers have not been clobbered) for all the other checks. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
136 lines
4.1 KiB
C
136 lines
4.1 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 "libavutil/mem_internal.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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static void check_transform_luma(HEVCDSPContext *h, int bit_depth)
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{
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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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int block_size = 4;
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int size = block_size * block_size;
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declare_func(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->transform_4x4_luma, "hevc_transform_luma_4x4_%d", 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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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 <= 12; bit_depth += 2) {
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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 <= 12; bit_depth += 2) {
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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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for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
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HEVCDSPContext h;
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ff_hevc_dsp_init(&h, bit_depth);
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check_transform_luma(&h, bit_depth);
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}
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report("transform_luma");
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}
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