subdirectory for encoder/decoder

server/encoder/encoder.h

@@ -0,0 +1,93 @@
+/***
+    This file is part of snapcast
+    Copyright (C) 2015  Johannes Pohl
+
+    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 ENCODER_H
+#define ENCODER_H
+
+#include <string>
+#include <memory>
+
+#include "message/pcmChunk.h"
+#include "message/header.h"
+#include "message/sampleFormat.h"
+
+
+class Encoder;
+
+class EncoderListener
+{
+public:
+	virtual void onChunkEncoded(const Encoder* encoder, msg::PcmChunk* chunk, double duration) = 0;
+};
+
+
+
+class Encoder
+{
+public:
+	Encoder(const std::string& codecOptions = "") : headerChunk_(NULL), codecOptions_(codecOptions)
+	{
+	}
+
+	virtual ~Encoder()
+	{
+		if (headerChunk_ != NULL)
+			delete headerChunk_;
+	}
+
+	virtual void init(EncoderListener* listener, const msg::SampleFormat& format)
+	{
+		if (codecOptions_ == "")
+			codecOptions_ = getDefaultOptions();
+		listener_ = listener;
+		sampleFormat_ = format;
+		initEncoder();
+	}
+
+	virtual void encode(const msg::PcmChunk* chunk) = 0;
+
+	virtual std::string name() const = 0;
+
+	virtual std::string getAvailableOptions() const
+	{
+		return "No codec options supported";
+	}
+
+	virtual std::string getDefaultOptions() const
+	{
+		return "";
+	}
+
+	virtual msg::Header* getHeader() const
+	{
+		return headerChunk_;
+	}
+
+protected:
+	virtual void initEncoder() = 0;
+
+	msg::SampleFormat sampleFormat_;
+	msg::Header* headerChunk_;
+	EncoderListener* listener_;
+	std::string codecOptions_;
+};
+
+
+#endif
+
+