mirror of https://git.ffmpeg.org/ffmpeg.git
108 lines
5.3 KiB
C
108 lines
5.3 KiB
C
/*
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* Copyright (c) 2015 Tiancheng "Timothy" Gu
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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 "checkasm.h"
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#include "libavcodec/pixblockdsp.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#include "libavutil/intreadwrite.h"
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#define BUF_UNITS 8
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#define BUF_SIZE (BUF_UNITS * 128 + 8 * BUF_UNITS)
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#define randomize_buffers() \
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do { \
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int i; \
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for (i = 0; i < BUF_SIZE; i += 4) { \
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uint32_t r = rnd(); \
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AV_WN32A(src10 + i, r); \
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AV_WN32A(src11 + i, r); \
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r = rnd(); \
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AV_WN32A(src20 + i, r); \
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AV_WN32A(src21 + i, r); \
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r = rnd(); \
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AV_WN32A(dst0_ + i, r); \
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AV_WN32A(dst1_ + i, r); \
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} \
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} while (0)
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#define check_get_pixels(type) \
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do { \
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int i; \
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declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *block, const uint8_t *pixels, ptrdiff_t line_size); \
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\
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for (i = 0; i < BUF_UNITS; i++) { \
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int src_offset = i * 64 * sizeof(type) + 8 * i; /* Test various alignments */ \
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int dst_offset = i * 64; /* dst must be aligned */ \
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randomize_buffers(); \
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call_ref(dst0 + dst_offset, src10 + src_offset, 8); \
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call_new(dst1 + dst_offset, src11 + src_offset, 8); \
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if (memcmp(src10, src11, BUF_SIZE)|| memcmp(dst0, dst1, BUF_SIZE)) \
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fail(); \
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bench_new(dst1 + dst_offset, src11 + src_offset, 8); \
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} \
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} while (0)
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#define check_diff_pixels(type) \
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do { \
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int i; \
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declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride); \
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\
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for (i = 0; i < BUF_UNITS; i++) { \
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int src_offset = i * 64 * sizeof(type) + 8 * i; /* Test various alignments */ \
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int dst_offset = i * 64; /* dst must be aligned */ \
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randomize_buffers(); \
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call_ref(dst0 + dst_offset, src10 + src_offset, src20 + src_offset, 8); \
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call_new(dst1 + dst_offset, src11 + src_offset, src21 + src_offset, 8); \
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if (memcmp(src10, src11, BUF_SIZE) || memcmp(src20, src21, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE)) \
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fail(); \
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bench_new(dst1 + dst_offset, src11 + src_offset, src21 + src_offset, 8); \
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} \
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} while (0)
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void checkasm_check_pixblockdsp(void)
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{
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LOCAL_ALIGNED_16(uint8_t, src10, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, src11, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, src20, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, src21, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, dst0_, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, dst1_, [BUF_SIZE]);
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uint16_t *dst0 = (uint16_t *)dst0_;
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uint16_t *dst1 = (uint16_t *)dst1_;
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PixblockDSPContext h;
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AVCodecContext avctx = {
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.bits_per_raw_sample = 8,
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};
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ff_pixblockdsp_init(&h, &avctx);
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if (check_func(h.get_pixels, "get_pixels"))
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check_get_pixels(uint8_t);
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report("get_pixels");
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if (check_func(h.diff_pixels, "diff_pixels"))
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check_diff_pixels(uint8_t);
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report("diff_pixels");
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}
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