Spresense SDK Library v3.4.5-e9a4f17
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al_decoder.h
1/****************************************************************************
2 * modules/include/audiolite/al_decoder.h
3 *
4 * Copyright 2023 Sony Semiconductor Solutions Corporation
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * 3. Neither the name of Sony Semiconductor Solutions Corporation nor
17 * the names of its contributors may be used to endorse or promote
18 * products derived from this software without specific prior written
19 * permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
28 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 ****************************************************************************/
35
36#ifndef __INCLUDE_AUDIOLITE_DECODER_H
37#define __INCLUDE_AUDIOLITE_DECODER_H
38
39/****************************************************************************
40 * Included Files
41 ****************************************************************************/
42
43#include <nuttx/config.h>
44#include <audiolite/al_component.h>
45#include <audiolite/al_stream.h>
46
47/****************************************************************************
48 * Class Definitions
49 ****************************************************************************/
50
51/****************************************************************************
52 * class: audiolite_decoder
53 ****************************************************************************/
54
55class audiolite_decoder : public audiolite_component
56{
57 protected:
58 audiolite_stream *_stream;
59 audiolite_mempoolapbuf *_omempool;
60 int _prio;
61 int _stacksz;
62 mossfw_thread_t _tid;
63 const char *_tname;
64 volatile bool _isplay;
65 volatile bool _ispause;
66 volatile bool _is_thrdrun;
67
68 int start_thread(const char *name);
69 void stop_thread();
70 virtual void decode_runner() = 0;
71
72 static void *inject_worker(void *arg);
73
74 public:
75 audiolite_decoder(const char *name,
76 int prio = -1, int stack_sz = -1);
77 ~audiolite_decoder();
78
79 int start();
80 void stop();
81 void pause();
82 int resume();
83
84 virtual int start_decode() = 0;
85 virtual int stop_decode() = 0;
86 virtual int pause_decode() = 0;
87 virtual int resume_decode() = 0;
88
89 void set_stream(audiolite_stream *st) { _stream = st; };
90 void set_outputmempool(audiolite_mempoolapbuf *pool)
91 {
92 _omempool = pool;
93 }
94};
95
96#endif /* __INCLUDE_AUDIOLITE_DECODER_H */
audiolite_mempoolapbuf
Definition al_memalloc.h:183
audiolite_stream
Definition al_stream.h:59