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/*
* Copyright (c) 2015 James Almer
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string.h>
#include "checkasm.h"
#include "libavcodec/alacdsp.h"
#include "libavcodec/mathops.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#define BUF_SIZE 256
#define MAX_CHANNELS 2
#define randomize_buffers() \
do { \
int i; \
for (i = 0; i < BUF_SIZE*MAX_CHANNELS; i++) { \
int32_t r = sign_extend(rnd(), 24); \
ref_buf[i] = r; \
new_buf[i] = r; \
} \
} while (0)
static void check_decorrelate_stereo(void)
{
LOCAL_ALIGNED_16(int32_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]);
LOCAL_ALIGNED_16(int32_t, new_buf, [BUF_SIZE*MAX_CHANNELS]);
int32_t *ref[2] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] };
int32_t *new[2] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] };
ALACDSPContext c;
ff_alacdsp_init(&c);
if (check_func(c.decorrelate_stereo, "alac_decorrelate_stereo")) {
int len = (rnd() & 0xFF) + 1;
int shift = rnd() & 0x1F;
int weight = rnd() & 0xFF;
declare_func(void, int32_t *buf[2], int len, int shift, int weight);
randomize_buffers();
call_ref(ref, len, shift, weight);
call_new(new, len, shift, weight);
if (memcmp(ref[0], new[0], len * sizeof(int32_t)) ||
memcmp(ref[1], new[1], len * sizeof(int32_t)))
fail();
bench_new(new, BUF_SIZE, shift, weight);
}
report("decorrelate_stereo");
}
#undef randomize_buffers
#define randomize_buffers() \
do { \
int i, j; \
for (i = 0; i < BUF_SIZE; i++) { \
for (j = 0; j < ch; j++) { \
int32_t r = sign_extend(rnd(), 24); \
ref[j][i] = r; \
new[j][i] = r; \
r = rnd() & 0xFF; \
ref_ebb[j][i] = r; \
new_ebb[j][i] = r; \
} \
} \
} while (0)
static void check_append_extra_bits(void)
{
LOCAL_ALIGNED_16(int32_t, ref_buf, [BUF_SIZE*MAX_CHANNELS*2]);
LOCAL_ALIGNED_16(int32_t, new_buf, [BUF_SIZE*MAX_CHANNELS*2]);
int32_t *ref[2] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] };
int32_t *new[2] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] };
int32_t *ref_ebb[2] = { &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3] };
int32_t *new_ebb[2] = { &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3] };
ALACDSPContext c;
static const char * const channels[2] = { "mono", "stereo" };
int ch;
ff_alacdsp_init(&c);
for (ch = 1; ch <= 2; ch++) {
if (check_func(c.append_extra_bits[ch-1], "alac_append_extra_bits_%s", channels[ch-1])) {
int len = (rnd() & 0xFF) + 1;
declare_func(void, int32_t *buf[2], int32_t *ebb[2], int ebits, int ch, int len);
randomize_buffers();
call_ref(ref, ref_ebb, 8, ch, len);
call_new(new, new_ebb, 8, ch, len);
if ( memcmp(ref[0], new[0], len * sizeof(int32_t)) ||
(ch == 2 && memcmp(ref[1], new[1], len * sizeof(int32_t))))
fail();
bench_new(new, new_ebb, 8, ch, BUF_SIZE);
}
}
report("append_extra_bits");
}
void checkasm_check_alacdsp(void)
{
check_decorrelate_stereo();
check_append_extra_bits();
}
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