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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
*/
#include "raw.h"
#include "file.h"
#include "utf8_file.h"
#include <memory>
#include <stdexcept>
namespace {
class TRaw : public ICompressedOutput {
public:
TRaw(const std::string& filename, size_t numChannels, uint32_t frameSize)
: Fp(NAtracDEnc::FOpenUtf8(filename, "wb"))
, NumChannels(numChannels)
, FrameSize(frameSize)
{
if (!Fp) {
throw std::runtime_error("unable to open output file '" + filename + "'");
}
}
void WriteFrame(std::vector<char> data) override {
if (FrameSize) {
data.resize(FrameSize); // zero-pads short frames; truncates trailing bitstream rounding bytes
}
if (fwrite(data.data(), 1, data.size(), Fp.get()) != data.size()) {
throw std::runtime_error("Cannot write raw ATRAC data to file");
}
}
std::string GetName() const override {
return {};
}
size_t GetChannelNum() const override {
return NumChannels;
}
private:
TFilePtr Fp;
size_t NumChannels;
uint32_t FrameSize;
};
} // namespace
TCompressedOutputPtr
CreateRawOutput(const std::string& filename, size_t numChannels, uint32_t frameSize)
{
return std::unique_ptr<TRaw>(new TRaw(filename, numChannels, frameSize));
}
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