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/*
* StreamEncoder.cpp
* -----------------
* Purpose: Exporting streamed music files.
* Notes : none
* Authors: Joern Heusipp
* OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#include "stdafx.h"
#include "StreamEncoder.h"
#include "StreamEncoderWAV.h"
#include "mpt/io/io.hpp"
#include "mpt/io/io_stdstream.hpp"
#include "Mptrack.h"
#include "TrackerSettings.h"
#include "../soundlib/Sndfile.h"
#include "../soundlib/WAVTools.h"
OPENMPT_NAMESPACE_BEGIN
class WavStreamWriter : public IAudioStreamEncoder
{
private:
const WAVEncoder &enc;
std::ostream &f;
mpt::IO::OFile<std::ostream> ff;
std::unique_ptr<WAVWriter> fileWAV;
Encoder::Settings settings;
public:
WavStreamWriter(const WAVEncoder &enc_, std::ostream &file, const Encoder::Settings &settings_, const FileTags &tags)
: enc(enc_)
, f(file)
, ff(f)
, fileWAV(nullptr)
, settings(settings_)
{
MPT_ASSERT(settings.Format.GetSampleFormat().IsValid());
MPT_ASSERT(settings.Samplerate > 0);
MPT_ASSERT(settings.Channels > 0);
fileWAV = std::make_unique<WAVWriter>(ff);
fileWAV->WriteFormat(settings.Samplerate, settings.Format.GetSampleFormat().GetBitsPerSample(), settings.Channels, settings.Format.GetSampleFormat().IsFloat() ? WAVFormatChunk::fmtFloat : WAVFormatChunk::fmtPCM);
if(settings.Tags)
{
fileWAV->WriteMetatags(tags);
}
fileWAV->StartChunk(RIFFChunk::iddata);
}
SampleFormat GetSampleFormat() const override
{
return settings.Format.GetSampleFormat();
}
void WriteInterleaved(std::size_t frameCount, const double *interleaved) override
{
fileWAV->WriteBeforeDirect();
auto result = WriteInterleavedLE(f, settings.Channels, settings.Format, frameCount, interleaved);
fileWAV->WriteAfterDirect(result.first, result.second);
}
void WriteInterleaved(std::size_t frameCount, const float *interleaved) override
{
fileWAV->WriteBeforeDirect();
auto result = WriteInterleavedLE(f, settings.Channels, settings.Format, frameCount, interleaved);
fileWAV->WriteAfterDirect(result.first, result.second);
}
void WriteInterleaved(std::size_t frameCount, const int32 *interleaved) override
{
fileWAV->WriteBeforeDirect();
auto result = WriteInterleavedLE(f, settings.Channels, settings.Format, frameCount, interleaved);
fileWAV->WriteAfterDirect(result.first, result.second);
}
void WriteInterleaved(std::size_t frameCount, const int24 *interleaved) override
{
fileWAV->WriteBeforeDirect();
auto result = WriteInterleavedLE(f, settings.Channels, settings.Format, frameCount, interleaved);
fileWAV->WriteAfterDirect(result.first, result.second);
}
void WriteInterleaved(std::size_t frameCount, const int16 *interleaved) override
{
fileWAV->WriteBeforeDirect();
auto result = WriteInterleavedLE(f, settings.Channels, settings.Format, frameCount, interleaved);
fileWAV->WriteAfterDirect(result.first, result.second);
}
void WriteInterleaved(std::size_t frameCount, const int8 *interleaved) override
{
fileWAV->WriteBeforeDirect();
auto result = WriteInterleavedLE(f, settings.Channels, settings.Format, frameCount, interleaved);
fileWAV->WriteAfterDirect(result.first, result.second);
}
void WriteInterleaved(std::size_t frameCount, const uint8 *interleaved) override
{
fileWAV->WriteBeforeDirect();
auto result = WriteInterleavedLE(f, settings.Channels, settings.Format, frameCount, interleaved);
fileWAV->WriteAfterDirect(result.first, result.second);
}
void WriteCues(const std::vector<uint64> &cues) override
{
if(!cues.empty())
{
// Cue point header
fileWAV->StartChunk(RIFFChunk::idcue_);
uint32le numPoints;
numPoints = mpt::saturate_cast<uint32>(cues.size());
fileWAV->Write(numPoints);
// Write all cue points
uint32 index = 0;
for(auto cue : cues)
{
WAVCuePoint cuePoint{};
cuePoint.id = index++;
cuePoint.position = static_cast<uint32>(cue);
cuePoint.riffChunkID = static_cast<uint32>(RIFFChunk::iddata);
cuePoint.chunkStart = 0; // we use no Wave List Chunk (wavl) as we have only one data block, so this should be 0.
cuePoint.blockStart = 0; // ditto
cuePoint.offset = cuePoint.position;
fileWAV->Write(cuePoint);
}
}
}
void WriteFinalize() override
{
fileWAV->Finalize();
}
virtual ~WavStreamWriter()
{
fileWAV = nullptr;
}
};
WAVEncoder::WAVEncoder()
{
Encoder::Traits traits;
traits.fileExtension = P_("wav");
traits.fileShortDescription = U_("Wave");
traits.fileDescription = U_("Microsoft RIFF Wave");
traits.encoderSettingsName = U_("Wave");
traits.canTags = true;
traits.canCues = true;
traits.maxChannels = 4;
traits.samplerates = TrackerSettings::Instance().GetSampleRates();
traits.modes = Encoder::ModeLossless;
traits.formats.push_back({ Encoder::Format::Encoding::Float, 64, mpt::endian::little });
traits.formats.push_back({ Encoder::Format::Encoding::Float, 32, mpt::endian::little });
traits.formats.push_back({ Encoder::Format::Encoding::Integer, 32, mpt::endian::little });
traits.formats.push_back({ Encoder::Format::Encoding::Integer, 24, mpt::endian::little });
traits.formats.push_back({ Encoder::Format::Encoding::Integer, 16, mpt::endian::little });
traits.formats.push_back({ Encoder::Format::Encoding::Unsigned, 8, mpt::endian::little });
traits.defaultSamplerate = 48000;
traits.defaultChannels = 2;
traits.defaultMode = Encoder::ModeLossless;
traits.defaultFormat = { Encoder::Format::Encoding::Float, 32, mpt::endian::little };
SetTraits(traits);
}
bool WAVEncoder::IsAvailable() const
{
return true;
}
std::unique_ptr<IAudioStreamEncoder> WAVEncoder::ConstructStreamEncoder(std::ostream &file, const Encoder::Settings &settings, const FileTags &tags) const
{
if(!IsAvailable())
{
return nullptr;
}
return std::make_unique<WavStreamWriter>(*this, file, settings, tags);
}
OPENMPT_NAMESPACE_END
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