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https://git.ffmpeg.org/ffmpeg.git
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aabaab10d2
Reviewed-by: Lynne <dev@lynne.ee> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
94 lines
3.6 KiB
C
94 lines
3.6 KiB
C
/*
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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 <assert.h>
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#include <stddef.h>
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#include <string.h>
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#include "checkasm.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/macros.h"
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#include "libavutil/mem_internal.h"
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#include "libavcodec/vp6data.h"
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#include "libavcodec/vp56dsp.h"
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#define randomize_buffer(buf) \
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do { \
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for (size_t k = 0; k < (sizeof(buf) & ~3); k += 4) \
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AV_WN32A(buf + k, rnd()); \
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for (size_t k = sizeof(buf) & ~3; k < sizeof(buf); ++k) \
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buf[k] = rnd(); \
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} while (0)
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void checkasm_check_vp6dsp(void)
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{
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enum {
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BLOCK_SIZE_1D = 8,
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SRC_ROWS_ABOVE = 1,
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SRC_ROWS_BELOW = 2,
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SRC_COLS_LEFT = 1,
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SRC_COLS_RIGHT = 2,
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SRC_ROWS = SRC_ROWS_ABOVE + BLOCK_SIZE_1D + SRC_ROWS_BELOW,
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SRC_ROW_SIZE = SRC_COLS_LEFT + BLOCK_SIZE_1D + SRC_COLS_RIGHT,
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MAX_STRIDE = 64, ///< arbitrary
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SRC_BUF_SIZE = (SRC_ROWS - 1) * MAX_STRIDE + SRC_ROW_SIZE + 7 /* to vary misalignment */,
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DST_BUF_SIZE = (BLOCK_SIZE_1D - 1) * MAX_STRIDE + BLOCK_SIZE_1D,
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};
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VP6DSPContext vp6dsp;
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ff_vp6dsp_init(&vp6dsp);
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declare_func(void, uint8_t *dst, const uint8_t *src, ptrdiff_t stride,
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const int16_t *h_weights, const int16_t *v_weights);
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if (check_func(vp6dsp.vp6_filter_diag4, "filter_diag4")) {
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DECLARE_ALIGNED(8, uint8_t, dstbuf_ref)[DST_BUF_SIZE];
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DECLARE_ALIGNED(8, uint8_t, dstbuf_new)[DST_BUF_SIZE];
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DECLARE_ALIGNED(8, uint8_t, srcbuf)[SRC_BUF_SIZE];
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randomize_buffer(dstbuf_ref);
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randomize_buffer(srcbuf);
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memcpy(dstbuf_new, dstbuf_ref, sizeof(dstbuf_new));
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ptrdiff_t stride = (rnd() % (MAX_STRIDE / 16) + 1) * 16;
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const uint8_t *src = srcbuf + SRC_COLS_LEFT + rnd() % 8U;
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uint8_t *dst_new = dstbuf_new, *dst_ref = dstbuf_ref;
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if (rnd() & 1) {
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dst_new += (BLOCK_SIZE_1D - 1) * stride;
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dst_ref += (BLOCK_SIZE_1D - 1) * stride;
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src += (SRC_ROWS - 1) * stride;
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stride *= -1;
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}
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src += SRC_ROWS_ABOVE * stride;
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unsigned select = rnd() % FF_ARRAY_ELEMS(vp6_block_copy_filter);
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unsigned x8 = 1 + rnd() % (FF_ARRAY_ELEMS(vp6_block_copy_filter[0]) - 1);
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unsigned y8 = 1 + rnd() % (FF_ARRAY_ELEMS(vp6_block_copy_filter[0]) - 1);
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const int16_t *h_weights = vp6_block_copy_filter[select][x8];
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const int16_t *v_weights = vp6_block_copy_filter[select][y8];
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call_ref(dst_ref, src, stride, h_weights, v_weights);
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call_new(dst_new, src, stride, h_weights, v_weights);
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if (memcmp(dstbuf_new, dstbuf_ref, sizeof(dstbuf_new)))
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fail();
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bench_new(dst_new, src, stride, h_weights, v_weights);
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}
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}
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