mirror of
https://github.com/FFmpeg/FFmpeg.git
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120 lines
4.5 KiB
C
120 lines
4.5 KiB
C
/*
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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/alacdsp.h"
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#include "libavcodec/mathops.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#define BUF_SIZE 256
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#define MAX_CHANNELS 2
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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*MAX_CHANNELS; i++) { \
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int32_t r = sign_extend(rnd(), 24); \
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ref_buf[i] = r; \
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new_buf[i] = r; \
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} \
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} while (0)
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static void check_decorrelate_stereo(void)
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{
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LOCAL_ALIGNED_16(int32_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]);
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LOCAL_ALIGNED_16(int32_t, new_buf, [BUF_SIZE*MAX_CHANNELS]);
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int32_t *ref[2] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] };
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int32_t *new[2] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] };
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ALACDSPContext c;
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ff_alacdsp_init(&c);
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if (check_func(c.decorrelate_stereo, "alac_decorrelate_stereo")) {
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int len = (rnd() & 0xFF) + 1;
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int shift = rnd() & 0x1F;
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int weight = rnd() & 0xFF;
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declare_func(void, int32_t *buf[2], int len, int shift, int weight);
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randomize_buffers();
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call_ref(ref, len, shift, weight);
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call_new(new, len, shift, weight);
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if (memcmp(ref[0], new[0], len * sizeof(int32_t)) ||
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memcmp(ref[1], new[1], len * sizeof(int32_t)))
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fail();
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bench_new(new, BUF_SIZE, shift, weight);
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}
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report("decorrelate_stereo");
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}
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#undef randomize_buffers
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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++) { \
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for (j = 0; j < ch; j++) { \
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int32_t r = sign_extend(rnd(), 24); \
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ref[j][i] = r; \
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new[j][i] = r; \
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r = rnd() & 0xFF; \
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ref_ebb[j][i] = r; \
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new_ebb[j][i] = r; \
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} \
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} \
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} while (0)
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static void check_append_extra_bits(void)
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{
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LOCAL_ALIGNED_16(int32_t, ref_buf, [BUF_SIZE*MAX_CHANNELS*2]);
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LOCAL_ALIGNED_16(int32_t, new_buf, [BUF_SIZE*MAX_CHANNELS*2]);
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int32_t *ref[2] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] };
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int32_t *new[2] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] };
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int32_t *ref_ebb[2] = { &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3] };
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int32_t *new_ebb[2] = { &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3] };
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ALACDSPContext c;
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static const char * const channels[2] = { "mono", "stereo" };
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int ch;
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ff_alacdsp_init(&c);
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for (ch = 1; ch <= 2; ch++) {
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if (check_func(c.append_extra_bits[ch-1], "alac_append_extra_bits_%s", channels[ch-1])) {
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int len = (rnd() & 0xFF) + 1;
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declare_func(void, int32_t *buf[2], int32_t *ebb[2], int ebits, int ch, int len);
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randomize_buffers();
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call_ref(ref, ref_ebb, 8, ch, len);
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call_new(new, new_ebb, 8, ch, len);
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if ( memcmp(ref[0], new[0], len * sizeof(int32_t)) ||
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(ch == 2 && memcmp(ref[1], new[1], len * sizeof(int32_t))))
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fail();
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bench_new(new, new_ebb, 8, ch, BUF_SIZE);
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}
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}
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report("append_extra_bits");
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}
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void checkasm_check_alacdsp(void)
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{
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check_decorrelate_stereo();
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check_append_extra_bits();
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}
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