import esp audio lib

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

@@ -0,0 +1,49 @@
+/*
+  AudioOutputBuffer
+  Adds additional bufferspace to the output chain
+  
+  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 _AUDIOOUTPUTBUFFER_H
+#define _AUDIOOUTPUTBUFFER_H
+
+#include "AudioOutput.h"
+
+class AudioOutputBuffer : public AudioOutput
+{
+  public:
+    AudioOutputBuffer(int bufferSizeSamples, AudioOutput *dest);
+    virtual ~AudioOutputBuffer() override;
+    virtual bool SetRate(int hz) override;
+    virtual bool SetBitsPerSample(int bits) override;
+    virtual bool SetChannels(int channels) override;
+    virtual bool begin() override;
+    virtual bool ConsumeSample(int16_t sample[2]) override;
+    virtual bool stop() override;
+    
+  protected:
+    AudioOutput *sink;
+    int buffSize;
+    int16_t *leftSample;
+    int16_t *rightSample;
+    int writePtr;
+    int readPtr;
+    bool filled;
+};
+
+#endif
+