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#pragma once
#include <string>
#include <cmath>
#include <cstdint>
#include <cstddef>
#define NUMOF(l) (sizeof(l) / sizeof(*l))
#define linear_to_dB(x) (log10(x) * 20)
/*! Calculate the little string containing a bargraph
* 'VU-meter' from the peak value measured
*/
const char* level(int channel, int peak);
size_t strlen_utf8(const char *s);
struct ICY_TEXT_t {
std::string artist;
std::string title;
std::string now_playing;
operator bool() const {
return not (artist.empty() and title.empty() and now_playing.empty());
}
bool operator==(const ICY_TEXT_t& other) const {
return
artist == other.artist and
title == other.title and
now_playing == other.now_playing;
}
bool operator!=(const ICY_TEXT_t& other) const {
return !(*this == other);
}
void useArtistTitle(const std::string& artist, const std::string& title) {
this->artist = artist;
this->title = title;
now_playing = "";
}
void useNowPlaying(const std::string& now_playing) {
artist = "";
title = "";
this->now_playing = now_playing;
}
};
/*! Write the corresponding text to a file readable by ODR-PadEnc, with optional
* DL+ information. The text is passed as a copy because we actually use the
* m_nowplaying variable which is also accessed in another thread, so better
* make a copy.
*
* \return false on failure
*/
bool write_icy_to_file(const ICY_TEXT_t text, const std::string& filename, bool dl_plus);
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