91 lines
3.9 KiB
C
91 lines
3.9 KiB
C
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/*
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* Copyright (c) 2015 James Almer
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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/flacdsp.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_SIZE 256
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#define MAX_CHANNELS 8
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#define randomize_buffers() \
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do { \
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int i, j; \
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for (i = 0; i < BUF_SIZE; i += 4) { \
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for (j = 0; j < channels; j++) { \
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uint32_t r = rnd() & (1 << (bits - 2)) - 1; \
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AV_WN32A(ref_src[j] + i, r); \
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AV_WN32A(new_src[j] + i, r); \
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} \
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} \
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} while (0)
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static void check_decorrelate(uint8_t **ref_dst, uint8_t **ref_src, uint8_t **new_dst, uint8_t **new_src,
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int channels, int bits) {
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declare_func(void, uint8_t **out, int32_t **in, int channels, int len, int shift);
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randomize_buffers();
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call_ref(ref_dst, (int32_t **)ref_src, channels, BUF_SIZE / sizeof(int32_t), 8);
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call_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8);
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if (memcmp(*ref_dst, *new_dst, bits == 16 ? BUF_SIZE * (channels/2) : BUF_SIZE * channels) ||
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memcmp(*ref_src, *new_src, BUF_SIZE * channels))
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fail();
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bench_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8);
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}
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void checkasm_check_flacdsp(void)
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{
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LOCAL_ALIGNED_16(uint8_t, ref_dst, [BUF_SIZE*MAX_CHANNELS]);
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LOCAL_ALIGNED_16(uint8_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]);
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LOCAL_ALIGNED_16(uint8_t, new_dst, [BUF_SIZE*MAX_CHANNELS]);
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LOCAL_ALIGNED_16(uint8_t, new_buf, [BUF_SIZE*MAX_CHANNELS]);
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uint8_t *ref_src[] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1], &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3],
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&ref_buf[BUF_SIZE*4], &ref_buf[BUF_SIZE*5], &ref_buf[BUF_SIZE*6], &ref_buf[BUF_SIZE*7] };
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uint8_t *new_src[] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1], &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3],
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&new_buf[BUF_SIZE*4], &new_buf[BUF_SIZE*5], &new_buf[BUF_SIZE*6], &new_buf[BUF_SIZE*7] };
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static const char * const names[3] = { "ls", "rs", "ms" };
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static const struct {
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enum AVSampleFormat fmt;
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int bits;
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} fmts[] = {
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{ AV_SAMPLE_FMT_S16, 16 },
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{ AV_SAMPLE_FMT_S32, 32 },
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};
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FLACDSPContext h;
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int i, j;
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for (i = 0; i < 2; i++) {
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ff_flacdsp_init(&h, fmts[i].fmt, 2, 0);
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for (j = 0; j < 3; j++)
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if (check_func(h.decorrelate[j], "flac_decorrelate_%s_%d", names[j], fmts[i].bits))
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check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, 2, fmts[i].bits);
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for (j = 2; j <= MAX_CHANNELS; j += 2) {
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ff_flacdsp_init(&h, fmts[i].fmt, j, 0);
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if (check_func(h.decorrelate[0], "flac_decorrelate_indep%d_%d", j, fmts[i].bits))
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check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, j, fmts[i].bits);
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}
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}
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report("decorrelate");
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}
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