blob: ccd37f381373468c96fefe9a3f0a7c96cb6154f6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/**
* SPDX-FileCopyrightText: Copyright (C) 2024 ZeldaRET
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
#include "../util.h"
#include "codec.h"
#include "../container/container.h"
int
pcm16_enc_dec(UNUSED container_data *ctnr, UNUSED const codec_spec *codec, UNUSED const enc_dec_opts *opts)
{
// Since we decode to and encode from pcm16, there's nothing to do.
return 0;
}
// TODO
int
pcm8_dec(UNUSED container_data *ctnr, UNUSED const codec_spec *codec, UNUSED const enc_dec_opts *opts)
{
#if 0
for (size_t i = 0; i < num_samples; i++) {
uint8_t insamp = ((uint8_t *)in)[i];
int16_t outsamp = insamp << 8; // - 0x80 before shift ?
((int16_t *)out)[i] = outsamp;
}
#endif
return 0;
}
// TODO
int
pcm8_enc(UNUSED container_data *ctnr, UNUSED const codec_spec *codec, UNUSED const enc_dec_opts *opts)
{
#if 0
for (size_t i = 0; i < num_samples; i++) {
uint16_t insamp = ((uint16_t *)in)[i];
uint8_t outsamp = insamp >> 8;
((uint8_t *)out)[i] = outsamp;
}
#endif
return 0;
}
|
