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author | Jef <jef@targetspot.com> | 2024-09-24 08:54:57 -0400 |
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committer | Jef <jef@targetspot.com> | 2024-09-24 08:54:57 -0400 |
commit | 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d (patch) | |
tree | 12f17f78986871dd2cfb0a56e5e93b545c1ae0d0 /Src/external_dependencies/openmpt-trunk/mptrack/StreamEncoderAU.cpp | |
parent | 537bcbc86291b32fc04ae4133ce4d7cac8ebe9a7 (diff) | |
download | winamp-20d28e80a5c861a9d5f449ea911ab75b4f37ad0d.tar.gz |
Initial community commit
Diffstat (limited to 'Src/external_dependencies/openmpt-trunk/mptrack/StreamEncoderAU.cpp')
-rw-r--r-- | Src/external_dependencies/openmpt-trunk/mptrack/StreamEncoderAU.cpp | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/Src/external_dependencies/openmpt-trunk/mptrack/StreamEncoderAU.cpp b/Src/external_dependencies/openmpt-trunk/mptrack/StreamEncoderAU.cpp new file mode 100644 index 00000000..c1005b0a --- /dev/null +++ b/Src/external_dependencies/openmpt-trunk/mptrack/StreamEncoderAU.cpp @@ -0,0 +1,216 @@ +/* + * StreamEncoderAU.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 "StreamEncoderAU.h" + +#include "mpt/io/io.hpp" +#include "mpt/io/io_stdstream.hpp" + +#include "Mptrack.h" +#include "TrackerSettings.h" + +#include "../common/mptFileIO.h" + + +OPENMPT_NAMESPACE_BEGIN + + +class AUStreamWriter : public IAudioStreamEncoder +{ +private: + + const AUEncoder &enc; + std::ostream &f; + Encoder::Settings settings; + +private: + static std::string TagToAnnotation(const std::string & field, const mpt::ustring & tag) + { + if(tag.empty()) + { + return std::string(); + } + return MPT_AFORMAT("{}={}\n")(field, mpt::ToCharset(mpt::Charset::UTF8, mpt::String::Replace(tag, U_("="), MPT_UTF8("\xEF\xBF\xBD")))); // U+FFFD + } + +public: + AUStreamWriter(const AUEncoder &enc_, std::ostream &file, const Encoder::Settings &settings_, const FileTags &tags) + : enc(enc_) + , f(file) + , settings(settings_) + { + + MPT_ASSERT(settings.Format.GetSampleFormat().IsValid()); + MPT_ASSERT(settings.Samplerate > 0); + MPT_ASSERT(settings.Channels > 0); + + std::string annotation; + std::size_t annotationSize = 0; + std::size_t annotationTotalSize = 8; + if(settings.Tags) + { + // same format as invented by sox and implemented by ffmpeg + annotation += TagToAnnotation("title", tags.title); + annotation += TagToAnnotation("artist", tags.artist); + annotation += TagToAnnotation("album", tags.album); + annotation += TagToAnnotation("track", tags.trackno); + annotation += TagToAnnotation("genre", tags.genre); + annotation += TagToAnnotation("comment", tags.comments); + annotationSize = annotation.length() + 1; + annotationTotalSize = annotationSize; + if(settings.Details.AUPaddingAlignHint > 0) + { + annotationTotalSize = mpt::align_up<std::size_t>(24u + annotationTotalSize, settings.Details.AUPaddingAlignHint) - 24u; + } + annotationTotalSize = mpt::align_up<std::size_t>(annotationTotalSize, 8u); + } + MPT_ASSERT(annotationTotalSize >= annotationSize); + MPT_ASSERT(annotationTotalSize % 8 == 0); + + mpt::IO::WriteText(f, ".snd"); + mpt::IO::WriteIntBE<uint32>(f, mpt::saturate_cast<uint32>(24u + annotationTotalSize)); + mpt::IO::WriteIntBE<uint32>(f, ~uint32(0)); + uint32 encoding = 0; + if(settings.Format.encoding == Encoder::Format::Encoding::Float) + { + switch(settings.Format.bits) + { + case 32: encoding = 6; break; + case 64: encoding = 7; break; + } + } else if(settings.Format.encoding == Encoder::Format::Encoding::Integer) + { + switch(settings.Format.bits) + { + case 8: encoding = 2; break; + case 16: encoding = 3; break; + case 24: encoding = 4; break; + case 32: encoding = 5; break; + } + } else if(settings.Format.encoding == Encoder::Format::Encoding::Alaw) + { + encoding = 27; + } else if (settings.Format.encoding == Encoder::Format::Encoding::ulaw) + { + encoding = 1; + } + mpt::IO::WriteIntBE<uint32>(f, encoding); + mpt::IO::WriteIntBE<uint32>(f, settings.Samplerate); + mpt::IO::WriteIntBE<uint32>(f, settings.Channels); + if(annotationSize > 0) + { + mpt::IO::WriteText(f, annotation); + mpt::IO::WriteIntBE<uint8>(f, '\0'); + } + for(std::size_t i = 0; i < annotationTotalSize - annotationSize; ++i) + { + mpt::IO::WriteIntBE<uint8>(f, '\0'); + } + + } + + SampleFormat GetSampleFormat() const override + { + return settings.Format.GetSampleFormat(); + } + + void WriteInterleaved(std::size_t frameCount, const double *interleaved) override + { + WriteInterleavedBE(f, settings.Channels, settings.Format, frameCount, interleaved); + } + void WriteInterleaved(std::size_t frameCount, const float *interleaved) override + { + WriteInterleavedBE(f, settings.Channels, settings.Format, frameCount, interleaved); + } + void WriteInterleaved(std::size_t frameCount, const int32 *interleaved) override + { + WriteInterleavedBE(f, settings.Channels, settings.Format, frameCount, interleaved); + } + void WriteInterleaved(std::size_t frameCount, const int24 *interleaved) override + { + WriteInterleavedBE(f, settings.Channels, settings.Format, frameCount, interleaved); + } + void WriteInterleaved(std::size_t frameCount, const int16 *interleaved) override + { + WriteInterleavedBE(f, settings.Channels, settings.Format, frameCount, interleaved); + } + void WriteInterleaved(std::size_t frameCount, const int8 *interleaved) override + { + WriteInterleavedBE(f, settings.Channels, settings.Format, frameCount, interleaved); + } + void WriteInterleaved(std::size_t frameCount, const uint8 *interleaved) override + { + WriteInterleavedBE(f, settings.Channels, settings.Format, frameCount, interleaved); + } + + void WriteCues(const std::vector<uint64> &cues) override + { + MPT_UNREFERENCED_PARAMETER(cues); + } + void WriteFinalize() override + { + return; + } + virtual ~AUStreamWriter() + { + return; + } +}; + + + +AUEncoder::AUEncoder() +{ + Encoder::Traits traits; + traits.fileExtension = P_("au"); + traits.fileShortDescription = U_("AU"); + traits.fileDescription = U_("NeXT/Sun Audio"); + traits.encoderSettingsName = U_("AU"); + traits.canTags = true; + traits.canCues = false; + traits.maxChannels = 4; + traits.samplerates = TrackerSettings::Instance().GetSampleRates(); + traits.modes = Encoder::ModeLossless; + traits.formats.push_back({ Encoder::Format::Encoding::Float, 64, mpt::endian::big }); + traits.formats.push_back({ Encoder::Format::Encoding::Float, 32, mpt::endian::big }); + traits.formats.push_back({ Encoder::Format::Encoding::Integer, 32, mpt::endian::big }); + traits.formats.push_back({ Encoder::Format::Encoding::Integer, 24, mpt::endian::big }); + traits.formats.push_back({ Encoder::Format::Encoding::Integer, 16, mpt::endian::big }); + traits.formats.push_back({ Encoder::Format::Encoding::Integer, 8, mpt::endian::big }); + traits.formats.push_back({ Encoder::Format::Encoding::Alaw, 16, mpt::endian::big }); + traits.formats.push_back({ Encoder::Format::Encoding::ulaw, 16, mpt::endian::big }); + traits.defaultSamplerate = 48000; + traits.defaultChannels = 2; + traits.defaultMode = Encoder::ModeLossless; + traits.defaultFormat = { Encoder::Format::Encoding::Float, 32, mpt::endian::big }; + SetTraits(traits); +} + + +bool AUEncoder::IsAvailable() const +{ + return true; +} + + +std::unique_ptr<IAudioStreamEncoder> AUEncoder::ConstructStreamEncoder(std::ostream &file, const Encoder::Settings &settings, const FileTags &tags) const +{ + if(!IsAvailable()) + { + return nullptr; + } + return std::make_unique<AUStreamWriter>(*this, file, settings, tags); +} + + +OPENMPT_NAMESPACE_END |