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/*
* This file is part of AtracDEnc.
*
* AtracDEnc is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* AtracDEnc 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with AtracDEnc; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include <memory>
#include <string>
#include "config.h"
#include "pcmengin.h"
class TFileAlreadyExists : public std::exception {
};
class TNoDataToRead : public std::exception {
};
class TWavPcmReader : public IPCMReader {
public:
typedef std::function<void(TPCMBuffer& data, const uint32_t size)> TLambda;
TLambda Lambda;
TWavPcmReader(TLambda lambda)
: Lambda(lambda)
{}
void Read(TPCMBuffer& data , const uint32_t size) const override {
Lambda(data, size);
}
};
class TWavPcmWriter : public IPCMWriter {
public:
typedef std::function<void(const TPCMBuffer& data, const uint32_t size)> TLambda;
TLambda Lambda;
TWavPcmWriter(TLambda lambda)
: Lambda(lambda)
{}
void Write(const TPCMBuffer& data , const uint32_t size) const override {
Lambda(data, size);
}
};
class IPCMProviderImpl {
public:
virtual ~IPCMProviderImpl() = default;
virtual size_t GetChannelsNum() const = 0;
virtual size_t GetSampleRate() const = 0;
virtual size_t GetTotalSamples() const = 0;
virtual size_t Read(TPCMBuffer& buf, size_t sz) = 0;
virtual size_t Write(const TPCMBuffer& buf, size_t sz) = 0;
};
//TODO: split for reader/writer
class TWav {
mutable std::unique_ptr<IPCMProviderImpl> Impl;
public:
enum Mode {
E_READ,
E_WRITE
};
TWav(const std::string& filename); // reading
TWav(const std::string& filename, size_t channels, size_t sampleRate); //writing
~TWav();
size_t GetChannelNum() const;
size_t GetSampleRate() const;
uint64_t GetTotalSamples() const;
IPCMReader* GetPCMReader() const;
IPCMWriter* GetPCMWriter();
};
typedef std::unique_ptr<TWav> TWavPtr;
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