Tasmota/libesp32/ESP8266Audio/src/AudioFileSourceFS.cpp
2020-08-13 17:03:35 +02:00

74 lines
1.6 KiB
C++
Executable File

/*
AudioFileSourceFS
Input "file" to be used by AudioGenerator
Copyright (C) 2017 Earle F. Philhower, III
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "AudioFileSourceFS.h"
#ifdef ESP32
#include "SPIFFS.h"
#endif
AudioFileSourceFS::AudioFileSourceFS(FS &fs, const char *filename)
{
filesystem = &fs;
open(filename);
}
bool AudioFileSourceFS::open(const char *filename)
{
#ifndef ESP32
filesystem->begin();
#endif
f = filesystem->open(filename, "r");
return f;
}
AudioFileSourceFS::~AudioFileSourceFS()
{
if (f) f.close();
}
uint32_t AudioFileSourceFS::read(void *data, uint32_t len)
{
return f.read(reinterpret_cast<uint8_t*>(data), len);
}
bool AudioFileSourceFS::seek(int32_t pos, int dir)
{
return f.seek(pos, (dir==SEEK_SET)?SeekSet:(dir==SEEK_CUR)?SeekCur:SeekEnd);
}
bool AudioFileSourceFS::close()
{
f.close();
return true;
}
bool AudioFileSourceFS::isOpen()
{
return f?true:false;
}
uint32_t AudioFileSourceFS::getSize()
{
if (!f) return 0;
return f.size();
}