import esp audio lib

FW/leo_muziekdoos_sam51/lib/ESP8266Audio/src/AudioFileSource.h

@@ -0,0 +1,51 @@
+/*
+  AudioFileSource
+  Base class of an 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/>.
+*/
+
+#ifndef _AUDIOFILESOURCE_H
+#define _AUDIOFILESOURCE_H
+
+#include <Arduino.h>
+#include "AudioStatus.h"
+
+class AudioFileSource
+{
+  public:
+    AudioFileSource() {};
+    virtual ~AudioFileSource() {};
+    virtual bool open(const char *filename) { (void)filename; return false; };
+    virtual uint32_t read(void *data, uint32_t len) { (void)data; (void)len; return 0; };
+    virtual uint32_t readNonBlock(void *data, uint32_t len) { return read(data, len); }; 
+    virtual bool seek(int32_t pos, int dir) { (void)pos; (void)dir; return false; };
+    virtual bool close() { return false; };
+    virtual bool isOpen() { return false; };
+    virtual uint32_t getSize() { return 0; };
+    virtual uint32_t getPos() { return 0; };
+    virtual bool loop() { return true; };
+
+  public:
+    virtual bool RegisterMetadataCB(AudioStatus::metadataCBFn fn, void *data) { return cb.RegisterMetadataCB(fn, data); }
+    virtual bool RegisterStatusCB(AudioStatus::statusCBFn fn, void *data) { return cb.RegisterStatusCB(fn, data); }
+
+  protected:
+    AudioStatus cb;
+};
+
+#endif
+