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364 lines
9.6 KiB
C++
364 lines
9.6 KiB
C++
/*
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* SampleFormatVorbis.cpp
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* ----------------------
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* Purpose: Vorbis sample import
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* Notes :
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#include "stdafx.h"
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#include "Sndfile.h"
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#ifndef MODPLUG_NO_FILESAVE
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#include "../common/mptFileIO.h"
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#endif
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#include "../common/misc_util.h"
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#include "Tagging.h"
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#include "Loaders.h"
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#include "../common/FileReader.h"
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#include "modsmp_ctrl.h"
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#include "openmpt/soundbase/Copy.hpp"
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#include "mpt/audio/span.hpp"
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#include "../soundlib/ModSampleCopy.h"
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//#include "mpt/crc/crc.hpp"
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#include "OggStream.h"
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#ifdef MPT_WITH_OGG
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#if MPT_COMPILER_CLANG
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wreserved-id-macro"
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#endif // MPT_COMPILER_CLANG
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#include <ogg/ogg.h>
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#if MPT_COMPILER_CLANG
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#pragma clang diagnostic pop
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#endif // MPT_COMPILER_CLANG
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#endif // MPT_WITH_OGG
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#if defined(MPT_WITH_VORBIS)
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#if MPT_COMPILER_CLANG
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wreserved-id-macro"
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#endif // MPT_COMPILER_CLANG
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#include <vorbis/codec.h>
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#if MPT_COMPILER_CLANG
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#pragma clang diagnostic pop
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#endif // MPT_COMPILER_CLANG
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#endif // MPT_WITH_VORBIS
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#if defined(MPT_WITH_VORBISFILE)
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#if MPT_COMPILER_CLANG
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wreserved-id-macro"
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#endif // MPT_COMPILER_CLANG
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#include <vorbis/vorbisfile.h>
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#if MPT_COMPILER_CLANG
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#pragma clang diagnostic pop
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#endif // MPT_COMPILER_CLANG
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#endif // MPT_WITH_VORBISFILE
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#ifdef MPT_WITH_STBVORBIS
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#include <stb_vorbis/stb_vorbis.c>
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#endif // MPT_WITH_STBVORBIS
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OPENMPT_NAMESPACE_BEGIN
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////////////////////////////////////////////////////////////////////////////////
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// Vorbis
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#if defined(MPT_WITH_VORBISFILE)
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static size_t VorbisfileFilereaderRead(void *ptr, size_t size, size_t nmemb, void *datasource)
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{
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FileReader &file = *static_cast<FileReader*>(datasource);
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return file.ReadRaw(mpt::span(mpt::void_cast<std::byte*>(ptr), size * nmemb)).size() / size;
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}
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static int VorbisfileFilereaderSeek(void *datasource, ogg_int64_t offset, int whence)
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{
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FileReader &file = *static_cast<FileReader*>(datasource);
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switch(whence)
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{
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case SEEK_SET:
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{
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if(!mpt::in_range<FileReader::off_t>(offset))
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{
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return -1;
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}
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return file.Seek(mpt::saturate_cast<FileReader::off_t>(offset)) ? 0 : -1;
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}
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break;
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case SEEK_CUR:
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{
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if(offset < 0)
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{
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if(offset == std::numeric_limits<ogg_int64_t>::min())
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{
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return -1;
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}
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if(!mpt::in_range<FileReader::off_t>(0-offset))
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{
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return -1;
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}
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return file.SkipBack(mpt::saturate_cast<FileReader::off_t>(0 - offset)) ? 0 : -1;
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} else
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{
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if(!mpt::in_range<FileReader::off_t>(offset))
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{
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return -1;
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}
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return file.Skip(mpt::saturate_cast<FileReader::off_t>(offset)) ? 0 : -1;
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}
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}
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break;
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case SEEK_END:
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{
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if(!mpt::in_range<FileReader::off_t>(offset))
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{
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return -1;
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}
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if(!mpt::in_range<FileReader::off_t>(file.GetLength() + offset))
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{
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return -1;
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}
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return file.Seek(mpt::saturate_cast<FileReader::off_t>(file.GetLength() + offset)) ? 0 : -1;
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}
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break;
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default:
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return -1;
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}
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}
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static long VorbisfileFilereaderTell(void *datasource)
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{
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FileReader &file = *static_cast<FileReader*>(datasource);
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MPT_MAYBE_CONSTANT_IF(!mpt::in_range<long>(file.GetPosition()))
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{
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return -1;
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}
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return static_cast<long>(file.GetPosition());
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}
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#if defined(MPT_WITH_VORBIS)
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static mpt::ustring UStringFromVorbis(const char *str)
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{
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return str ? mpt::ToUnicode(mpt::Charset::UTF8, str) : mpt::ustring();
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}
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#endif // MPT_WITH_VORBIS
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static FileTags GetVorbisFileTags(OggVorbis_File &vf)
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{
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FileTags tags;
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#if defined(MPT_WITH_VORBIS)
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vorbis_comment *vc = ov_comment(&vf, -1);
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if(!vc)
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{
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return tags;
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}
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tags.encoder = UStringFromVorbis(vorbis_comment_query(vc, "ENCODER", 0));
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tags.title = UStringFromVorbis(vorbis_comment_query(vc, "TITLE", 0));
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tags.comments = UStringFromVorbis(vorbis_comment_query(vc, "DESCRIPTION", 0));
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tags.bpm = UStringFromVorbis(vorbis_comment_query(vc, "BPM", 0)); // non-standard
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tags.artist = UStringFromVorbis(vorbis_comment_query(vc, "ARTIST", 0));
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tags.album = UStringFromVorbis(vorbis_comment_query(vc, "ALBUM", 0));
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tags.trackno = UStringFromVorbis(vorbis_comment_query(vc, "TRACKNUMBER", 0));
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tags.year = UStringFromVorbis(vorbis_comment_query(vc, "DATE", 0));
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tags.url = UStringFromVorbis(vorbis_comment_query(vc, "CONTACT", 0));
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tags.genre = UStringFromVorbis(vorbis_comment_query(vc, "GENRE", 0));
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#else // !MPT_WITH_VORBIS
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MPT_UNREFERENCED_PARAMETER(vf);
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#endif // MPT_WITH_VORBIS
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return tags;
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}
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#endif // MPT_WITH_VORBISFILE
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bool CSoundFile::ReadVorbisSample(SAMPLEINDEX sample, FileReader &file)
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{
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#if defined(MPT_WITH_VORBISFILE) || defined(MPT_WITH_STBVORBIS)
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file.Rewind();
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int rate = 0;
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int channels = 0;
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std::vector<int16> raw_sample_data;
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std::string sampleName;
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#endif // VORBIS
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#if defined(MPT_WITH_VORBISFILE)
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bool unsupportedSample = false;
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ov_callbacks callbacks = {
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&VorbisfileFilereaderRead,
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&VorbisfileFilereaderSeek,
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NULL,
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&VorbisfileFilereaderTell
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};
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OggVorbis_File vf;
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MemsetZero(vf);
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if(ov_open_callbacks(&file, &vf, NULL, 0, callbacks) == 0)
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{
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if(ov_streams(&vf) == 1)
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{ // we do not support chained vorbis samples
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vorbis_info *vi = ov_info(&vf, -1);
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if(vi && vi->rate > 0 && vi->channels > 0)
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{
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sampleName = mpt::ToCharset(GetCharsetInternal(), GetSampleNameFromTags(GetVorbisFileTags(vf)));
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rate = vi->rate;
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channels = vi->channels;
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std::size_t offset = 0;
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int current_section = 0;
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long decodedSamples = 0;
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bool eof = false;
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if(auto length = ov_pcm_total(&vf, 0); length != OV_EINVAL)
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raw_sample_data.reserve(std::min(MAX_SAMPLE_LENGTH, mpt::saturate_cast<SmpLength>(length)) * std::clamp(channels, 1, 2));
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while(!eof)
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{
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float **output = nullptr;
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long ret = ov_read_float(&vf, &output, 1024, ¤t_section);
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if(ret == 0)
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{
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eof = true;
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} else if(ret < 0)
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{
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// stream error, just try to continue
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} else
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{
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decodedSamples = ret;
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if(decodedSamples > 0 && (channels == 1 || channels == 2))
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{
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raw_sample_data.resize(raw_sample_data.size() + (channels * decodedSamples));
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CopyAudio(mpt::audio_span_interleaved(raw_sample_data.data() + (offset * channels), channels, decodedSamples), mpt::audio_span_planar(output, channels, decodedSamples));
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offset += decodedSamples;
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if((raw_sample_data.size() / channels) > MAX_SAMPLE_LENGTH)
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{
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break;
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}
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}
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}
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}
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} else
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{
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unsupportedSample = true;
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}
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} else
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{
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unsupportedSample = true;
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}
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ov_clear(&vf);
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} else
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{
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unsupportedSample = true;
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}
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if(unsupportedSample)
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{
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return false;
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}
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#elif defined(MPT_WITH_STBVORBIS)
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// NOTE/TODO: stb_vorbis does not handle inferred negative PCM sample position
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// at stream start. (See
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// <https://www.xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-132000A.2>). This
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// means that, for remuxed and re-aligned/cutted (at stream start) Vorbis
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// files, stb_vorbis will include superfluous samples at the beginning.
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FileReader::PinnedView fileView = file.GetPinnedView();
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const std::byte* data = fileView.data();
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std::size_t dataLeft = fileView.size();
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std::size_t offset = 0;
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int consumed = 0;
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int error = 0;
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stb_vorbis *vorb = stb_vorbis_open_pushdata(mpt::byte_cast<const unsigned char*>(data), mpt::saturate_cast<int>(dataLeft), &consumed, &error, nullptr);
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file.Skip(consumed);
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data += consumed;
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dataLeft -= consumed;
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if(!vorb)
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{
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return false;
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}
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rate = stb_vorbis_get_info(vorb).sample_rate;
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channels = stb_vorbis_get_info(vorb).channels;
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if(rate <= 0 || channels <= 0)
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{
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return false;
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}
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while((error == VORBIS__no_error || (error == VORBIS_need_more_data && dataLeft > 0)))
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{
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int frame_channels = 0;
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int decodedSamples = 0;
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float **output = nullptr;
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consumed = stb_vorbis_decode_frame_pushdata(vorb, mpt::byte_cast<const unsigned char*>(data), mpt::saturate_cast<int>(dataLeft), &frame_channels, &output, &decodedSamples);
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file.Skip(consumed);
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data += consumed;
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dataLeft -= consumed;
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LimitMax(frame_channels, channels);
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if(decodedSamples > 0 && (frame_channels == 1 || frame_channels == 2))
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{
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raw_sample_data.resize(raw_sample_data.size() + (channels * decodedSamples));
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CopyAudio(mpt::audio_span_interleaved(raw_sample_data.data() + (offset * channels), channels, decodedSamples), mpt::audio_span_planar(output, channels, decodedSamples));
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offset += decodedSamples;
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if((raw_sample_data.size() / channels) > MAX_SAMPLE_LENGTH)
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{
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break;
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}
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}
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error = stb_vorbis_get_error(vorb);
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}
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stb_vorbis_close(vorb);
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#endif // VORBIS
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#if defined(MPT_WITH_VORBISFILE) || defined(MPT_WITH_STBVORBIS)
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if(rate <= 0 || channels <= 0 || raw_sample_data.empty())
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{
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return false;
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}
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DestroySampleThreadsafe(sample);
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ModSample &mptSample = Samples[sample];
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mptSample.Initialize();
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mptSample.nC5Speed = rate;
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mptSample.nLength = std::min(MAX_SAMPLE_LENGTH, mpt::saturate_cast<SmpLength>(raw_sample_data.size() / channels));
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mptSample.uFlags.set(CHN_16BIT);
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mptSample.uFlags.set(CHN_STEREO, channels == 2);
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if(!mptSample.AllocateSample())
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{
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return false;
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}
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if(raw_sample_data.size() / channels > MAX_SAMPLE_LENGTH)
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{
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AddToLog(LogWarning, U_("Sample has been truncated!"));
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}
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std::copy(raw_sample_data.begin(), raw_sample_data.begin() + mptSample.nLength * channels, mptSample.sample16());
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mptSample.Convert(MOD_TYPE_IT, GetType());
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mptSample.PrecomputeLoops(*this, false);
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m_szNames[sample] = sampleName;
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return true;
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#else // !VORBIS
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MPT_UNREFERENCED_PARAMETER(sample);
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MPT_UNREFERENCED_PARAMETER(file);
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return false;
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#endif // VORBIS
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}
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OPENMPT_NAMESPACE_END
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