blob: 714e7a1484fa3e00d4f7eecb1b6296930d642253 (
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
|
/* ------------------------------------------------------------------
* Copyright (C) 2011 Martin Storsjo
* Copyright (C) 2017 Matthias P. Braendli
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
/*!
* \file AACDecoder.h
* \brief Uses FDK-AAC to decode the AAC format for loopback tests and
* to measure the audio level
*/
#pragma once
#include <fdk-aac/aacdecoder_lib.h>
#include <cstdint>
#include <cstddef>
#include <vector>
class AACDecoder {
public:
AACDecoder();
~AACDecoder();
AACDecoder(const AACDecoder&) = delete;
AACDecoder& operator=(const AACDecoder&) = delete;
void decode_frame(uint8_t *data, size_t len);
struct peak_t { int16_t peak_left = 0; int16_t peak_right = 0; };
peak_t get_peaks();
private:
void decode_au(uint8_t *data, size_t len);
bool m_decoder_set_up = false;
int m_channels = 0;
peak_t m_peak = {};
HANDLE_AACDECODER m_handle;
std::vector<uint8_t> m_output_frame;
};
|
