arduino-audio-tools
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AudioSourceSDMMC.h
1#pragma once
2
3#include "AudioLogger.h"
4#include "AudioTools/Disk/AudioSource.h"
5#include "FS.h"
6#include "SD_MMC.h"
7#include "AudioTools/Disk/SDDirect.h"
8
9namespace audio_tools {
10
33public:
35 AudioSourceSDMMC(const char *startFilePath = "/", const char *ext = ".mp3", bool setupIndex=true) {
36 start_path = startFilePath;
37 exension = ext;
38 setup_index = setupIndex;
39 }
40
41 virtual void begin() override {
42 TRACED();
43 if (!is_sd_setup) {
44 if (!SD_MMC.begin("/sdcard", true)) {
45 LOGE("SD_MMC.begin failed");
46 return;
47 }
48 is_sd_setup = true;
49 }
50 idx.begin(start_path, exension, file_name_pattern);
51 idx_pos = 0;
52 }
53
54 void end() {
55 SD_MMC.end();
56 is_sd_setup = false;
57 }
58
59
60 virtual Stream *nextStream(int offset = 1) override {
61 LOGI("nextStream: %d", offset);
62 return selectStream(idx_pos + offset);
63 }
64
65 virtual Stream *selectStream(int index) override {
66 LOGI("selectStream: %d", index);
67 idx_pos = index;
68 file_name = idx[index];
69 if (file_name==nullptr) return nullptr;
70 LOGI("Using file %s", file_name);
71 file = SD_MMC.open(file_name);
72 return file ? &file : nullptr;
73 }
74
75 virtual Stream *selectStream(const char *path) override {
76 file.close();
77 file = SD_MMC.open(path);
78 file_name = file.name();
79 LOGI("-> selectStream: %s", path);
80 return file ? &file : nullptr;
81 }
82
85 void setFileFilter(const char *filter) { file_name_pattern = filter; }
86
88 int index() { return idx_pos; }
89
91 const char *toStr() { return file_name; }
92
93 // provides default setting go to the next
94 virtual bool isAutoNext() { return true; }
95
97 virtual void setPath(const char *p) { start_path = p; }
98
100 long size() { return idx.size();}
101
102protected:
104 File file;
105 size_t idx_pos = 0;
106 const char *file_name;
107 const char *exension = nullptr;
108 const char *start_path = nullptr;
109 const char *file_name_pattern = "*";
110 bool setup_index = true;
111 bool is_sd_setup = false;
112};
113
114} // namespace audio_tools
Abstract Audio Data Source for the AudioPlayer which is used by the Audio Players.
Definition AudioSource.h:15
ESP32 AudioSource for AudioPlayer using an SD card as data source. This class is based on the Arduino...
Definition AudioSourceSDMMC.h:32
int index()
Provides the current index position.
Definition AudioSourceSDMMC.h:88
long size()
Provides the number of files (The max index is size()-1): WARNING this is very slow if you have a lot...
Definition AudioSourceSDMMC.h:100
virtual Stream * selectStream(int index) override
Definition AudioSourceSDMMC.h:65
virtual void begin() override
Reset actual stream and move to root.
Definition AudioSourceSDMMC.h:41
const char * toStr()
provides the actual file name
Definition AudioSourceSDMMC.h:91
virtual void setPath(const char *p)
Allows to "correct" the start path if not defined in the constructor.
Definition AudioSourceSDMMC.h:97
AudioSourceSDMMC(const char *startFilePath="/", const char *ext=".mp3", bool setupIndex=true)
Default constructor.
Definition AudioSourceSDMMC.h:35
virtual bool isAutoNext()
Returns default setting go to the next.
Definition AudioSourceSDMMC.h:94
virtual Stream * nextStream(int offset=1) override
Returns next audio stream.
Definition AudioSourceSDMMC.h:60
void setFileFilter(const char *filter)
Definition AudioSourceSDMMC.h:85
virtual Stream * selectStream(const char *path) override
Returns audio stream by path.
Definition AudioSourceSDMMC.h:75
We access the files directy with an index. The index is determined by a recurseve tree walk thru the ...
Definition SDDirect.h:22
long size()
Provides the number of files.
Definition SDDirect.h:50
Definition NoArduino.h:142
Generic Implementation of sound input and output for desktop environments using portaudio.
Definition AudioCodecsBase.h:10