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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "shared-bindings/audiocore/RawSample.h"
#include <stdint.h>
#include "shared-module/audiocore/RawSample.h"
void common_hal_audioio_rawsample_construct(audioio_rawsample_obj_t *self,
uint8_t *buffer,
uint32_t len,
uint8_t bytes_per_sample,
bool samples_signed,
uint8_t channel_count,
uint32_t sample_rate) {
self->buffer = buffer;
self->bits_per_sample = bytes_per_sample * 8;
self->samples_signed = samples_signed;
self->len = len;
self->channel_count = channel_count;
self->sample_rate = sample_rate;
}
void common_hal_audioio_rawsample_deinit(audioio_rawsample_obj_t *self) {
self->buffer = NULL;
}
bool common_hal_audioio_rawsample_deinited(audioio_rawsample_obj_t *self) {
return self->buffer == NULL;
}
uint32_t common_hal_audioio_rawsample_get_sample_rate(audioio_rawsample_obj_t *self) {
return self->sample_rate;
}
void common_hal_audioio_rawsample_set_sample_rate(audioio_rawsample_obj_t *self,
uint32_t sample_rate) {
self->sample_rate = sample_rate;
}
uint8_t common_hal_audioio_rawsample_get_bits_per_sample(audioio_rawsample_obj_t *self) {
return self->bits_per_sample;
}
uint8_t common_hal_audioio_rawsample_get_channel_count(audioio_rawsample_obj_t *self) {
return self->channel_count;
}
void audioio_rawsample_reset_buffer(audioio_rawsample_obj_t *self,
bool single_channel_output,
uint8_t channel) {
}
audioio_get_buffer_result_t audioio_rawsample_get_buffer(audioio_rawsample_obj_t *self,
bool single_channel_output,
uint8_t channel,
uint8_t **buffer,
uint32_t *buffer_length) {
*buffer_length = self->len;
if (single_channel_output) {
*buffer = self->buffer + (channel % self->channel_count) * (self->bits_per_sample / 8);
} else {
*buffer = self->buffer;
}
return GET_BUFFER_DONE;
}
void audioio_rawsample_get_buffer_structure(audioio_rawsample_obj_t *self, bool single_channel_output,
bool *single_buffer, bool *samples_signed,
uint32_t *max_buffer_length, uint8_t *spacing) {
*single_buffer = true;
*samples_signed = self->samples_signed;
*max_buffer_length = self->len;
if (single_channel_output) {
*spacing = self->channel_count;
} else {
*spacing = 1;
}
}
|
