esmp3/include/data_sources.h

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#pragma once
#include <Arduino.h>
#include <SD.h>
#include "config.h"
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#include "http_client_wrapper.h"
class DataSource {
private:
public:
DataSource() {};
virtual ~DataSource() {};
virtual size_t read(uint8_t* buf, size_t len) = 0;
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virtual int read() = 0;
virtual size_t position() = 0;
virtual void seek(size_t position) = 0;
virtual size_t size() = 0;
virtual void close() = 0;
virtual void skip_id3_tag() {};
virtual bool usable() = 0;
};
class SDDataSource : public DataSource {
private:
File _file;
public:
SDDataSource(String file);
~SDDataSource();
size_t read(uint8_t* buf, size_t len);
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int read();
size_t position();
void seek(size_t position);
size_t size();
void close();
void skip_id3_tag();
bool usable();
};
class HTTPSDataSource : public DataSource {
private:
WiFiClient* _stream = NULL;
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HTTPClientWrapper* _http = NULL;
uint32_t _position;
public:
HTTPSDataSource(String url, uint32_t offset=0);
~HTTPSDataSource();
size_t read(uint8_t* buf, size_t len);
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int read();
size_t position();
void seek(size_t position);
size_t size();
void close();
bool usable();
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};