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- moved the sound decoding code to the zmusic project.

Browse source 
Since this gets used by both the sound backend and the music code it needs to be in a place accessible to both.
This commit is contained in:
Christoph Oelckers 2019-09-29 12:48:12 +02:00
commit cdf2a17c5a
35 changed files with 544 additions and 426 deletions
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57
libraries/music_common/fileio.h
View file

@ -50,16 +50,35 @@ namespace MusicIO
struct FileInterface
{
std::string filename;
long length = -1;
// It's really too bad that the using code requires long instead of size_t.
// Fortunately 2GB files are unlikely to come by here.
protected:
//
virtual ~FileInterface() {}
public:
virtual char* gets(char* buff, int n) = 0;
virtual long read(void* buff, int32_t size, int32_t nitems) = 0;
long read(void* buff, int32_t size) { return read(buff, 1, size); }
virtual long seek(long offset, int whence) = 0;
virtual long tell() = 0;
virtual void close() = 0;
virtual void close()
{
delete this;
}
long filelength()
{
if (length == -1)
{
long pos = tell();
seek(0, SEEK_END);
length = tell();
seek(pos, SEEK_SET);
}
return length;
}
};
//==========================================================================
@ -96,11 +115,6 @@ struct StdioFileReader : public FileInterface
if (!f) return 0;
return ftell(f);
}
void close() override
{
if (f) fclose(f);
delete this;
}
};
@ -113,7 +127,7 @@ struct StdioFileReader : public FileInterface
struct MemoryReader : public FileInterface
{
const uint8_t *mData;
const long mLength;
long mLength;
long mPos;
MemoryReader(const uint8_t *data, long length)
@ -180,13 +194,32 @@ struct MemoryReader : public FileInterface
{
return mPos;
}
void close() override
{
delete this;
}
protected:
MemoryReader() {}
};
//==========================================================================
//
// Inplementation of the FileInterface for an std::vector owned by the reader
//
//==========================================================================
struct VectorReader : public MemoryReader
{
std::vector<uint8_t> mVector;
template <class getFunc>
VectorReader(getFunc getter) // read contents to a buffer and return a reader to it
{
getter(mVector);
mData = mVector.data();
mLength = (long)mVector.size();
}
};
//==========================================================================
//
// The follpwing two functions are needed to allow using UTF-8 in the file interface.

2
libraries/wildmidi/file_io.cpp
View file

@ -56,7 +56,7 @@ unsigned char *_WM_BufferFile(MusicIO::SoundFontReaderInterface *reader, const c
return NULL;
}
auto fsize = (fp->seek(0, SEEK_END), fp->tell());
auto fsize = fp->filelength();
if (fsize > WM_MAXFILESIZE)
{

24
libraries/zmusic/CMakeLists.txt
View file

@ -9,8 +9,6 @@ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ZD_FASTMATH_FLAG}")
include( CheckFunctionExists )
option( DYN_FLUIDSYNTH "Dynamically load fluidsynth" ON )
CHECK_FUNCTION_EXISTS( stricmp STRICMP_EXISTS )
if( NOT STRICMP_EXISTS )
add_definitions( -Dstricmp=strcasecmp )
@ -21,6 +19,25 @@ if( NOT STRNICMP_EXISTS )
add_definitions( -Dstrnicmp=strncasecmp )
endif()
if( DYN_SNDFILE)
add_definitions( -DHAVE_SNDFILE -DDYN_SNDFILE )
elseif( SNDFILE_FOUND )
add_definitions( -DHAVE_SNDFILE )
endif()
if( DYN_MPG123)
add_definitions( -DHAVE_MPG123 -DDYN_MPG123 )
elseif( MPG123_FOUND )
add_definitions( -DHAVE_MPG123 )
endif()
if( DYN_FLUIDSYNTH )
add_definitions( -DHAVE_FLUIDSYNTH -DDYN_FLUIDSYNTH )
elseif( FLUIDSYNTH_FOUND )
add_definitions( -DHAVE_FLUIDSYNTH )
endif()
include_directories( "${ADL_INCLUDE_DIR}" "${OPN_INCLUDE_DIR}" "${TIMIDITYPP_INCLUDE_DIR}" "${TIMIDITY_INCLUDE_DIR}" "${WILDMIDI_INCLUDE_DIR}" "${OPLSYNTH_INCLUDE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}" )
if (WIN32)
@ -48,6 +65,9 @@ add_library( zmusic STATIC
midisources/midisource_smf.cpp
midisources/midisource_hmi.cpp
midisources/midisource_xmi.cpp
decoder/sounddecoder.cpp
decoder/sndfile_decoder.cpp
decoder/mpg123_decoder.cpp
${PLAT_WIN32_SOURCES}
)
target_link_libraries( zmusic )

238
libraries/zmusic/decoder/mpg123_decoder.cpp Normal file
View file

@ -0,0 +1,238 @@
/*
** mpg123_decoder.cpp
**
**---------------------------------------------------------------------------
** Copyright 2008-2010 Chris Robinson
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include <algorithm>
#include <stdio.h>
#include "zmusic/mpg123_decoder.h"
#include "i_module.h"
#ifdef HAVE_MPG123
FModule MPG123Module{"MPG123"};
#include "mpgload.h"
#ifdef _WIN32
#define MPG123LIB "libmpg123-0.dll"
#elif defined(__APPLE__)
#define MPG123LIB "libmpg123.0.dylib"
#else
#define MPG123LIB "libmpg123.so.0"
#endif
bool IsMPG123Present()
{
#if !defined DYN_MPG123
return true;
#else
static bool cached_result = false;
static bool done = false;
if (!done)
{
done = true;
auto abspath = module_progdir + "/" MPG123LIB;
cached_result = MPG123Module.Load({abspath.c_str(), MPG123LIB});
}
return cached_result;
#endif
}
static bool inited = false;
off_t MPG123Decoder::file_lseek(void *handle, off_t offset, int whence)
{
auto &reader = reinterpret_cast<MPG123Decoder*>(handle)->Reader;
if(whence == SEEK_CUR)
{
if(offset < 0 && reader->tell()+offset < 0)
return -1;
}
else if(whence == SEEK_END)
{
if(offset < 0 && reader->filelength() + offset < 0)
return -1;
}
if(reader->seek(offset, whence) != 0)
return -1;
return (off_t)reader->tell();
}
ssize_t MPG123Decoder::file_read(void *handle, void *buffer, size_t bytes)
{
auto &reader = reinterpret_cast<MPG123Decoder*>(handle)->Reader;
return (ssize_t)reader->read(buffer, (long)bytes);
}
MPG123Decoder::~MPG123Decoder()
{
if(MPG123)
{
mpg123_close(MPG123);
mpg123_delete(MPG123);
MPG123 = 0;
}
if (Reader) Reader->close();
Reader = nullptr;
}
bool MPG123Decoder::open(MusicIO::FileInterface *reader)
{
if(!inited)
{
if (!IsMPG123Present()) return false;
if(mpg123_init() != MPG123_OK) return false;
inited = true;
}
Reader = reader;
{
MPG123 = mpg123_new(NULL, NULL);
if(mpg123_replace_reader_handle(MPG123, file_read, file_lseek, NULL) == MPG123_OK &&
mpg123_open_handle(MPG123, this) == MPG123_OK)
{
int enc, channels;
long srate;
if(mpg123_getformat(MPG123, &srate, &channels, &enc) == MPG123_OK)
{
if((channels == 1 || channels == 2) && srate > 0 &&
mpg123_format_none(MPG123) == MPG123_OK &&
mpg123_format(MPG123, srate, channels, MPG123_ENC_SIGNED_16) == MPG123_OK)
{
// All OK
Done = false;
return true;
}
}
mpg123_close(MPG123);
}
mpg123_delete(MPG123);
MPG123 = 0;
}
Reader = nullptr; // need to give it back.
return false;
}
void MPG123Decoder::getInfo(int *samplerate, ChannelConfig *chans, SampleType *type)
{
int enc = 0, channels = 0;
long srate = 0;
mpg123_getformat(MPG123, &srate, &channels, &enc);
*samplerate = srate;
if(channels == 2)
*chans = ChannelConfig_Stereo;
else
*chans = ChannelConfig_Mono;
*type = SampleType_Int16;
}
size_t MPG123Decoder::read(char *buffer, size_t bytes)
{
size_t amt = 0;
while(!Done && bytes > 0)
{
size_t got = 0;
int ret = mpg123_read(MPG123, (unsigned char*)buffer, bytes, &got);
bytes -= got;
buffer += got;
amt += got;
if(ret == MPG123_NEW_FORMAT || ret == MPG123_DONE || got == 0)
{
Done = true;
break;
}
}
return amt;
}
bool MPG123Decoder::seek(size_t ms_offset, bool ms, bool mayrestart)
{
int enc, channels;
long srate;
if (!mayrestart || ms_offset > 0)
{
if (mpg123_getformat(MPG123, &srate, &channels, &enc) == MPG123_OK)
{
size_t smp_offset = ms ? (size_t)((double)ms_offset / 1000. * srate) : ms_offset;
if (mpg123_seek(MPG123, (off_t)smp_offset, SEEK_SET) >= 0)
{
Done = false;
return true;
}
}
return false;
}
else
{
// Restart the song instead of rewinding. A rewind seems to cause distortion when done repeatedly.
// offset is intentionally ignored here.
if (MPG123)
{
mpg123_close(MPG123);
mpg123_delete(MPG123);
MPG123 = 0;
}
Reader->seek(0, SEEK_SET);
// Do not call open with our own reader variable, that would be catastrophic.
auto reader = std::move(Reader);
return open(reader);
}
}
size_t MPG123Decoder::getSampleOffset()
{
return mpg123_tell(MPG123);
}
size_t MPG123Decoder::getSampleLength()
{
off_t len = mpg123_length(MPG123);
return (len > 0) ? len : 0;
}
#endif

40
libraries/zmusic/decoder/mpgload.h Normal file
View file

@ -0,0 +1,40 @@
#ifndef MPGDEF_H
#define MPGDEF_H
#if defined HAVE_MPG123 && defined DYN_MPG123
#define DEFINE_ENTRY(type, name) static TReqProc<MPG123Module, type> p_##name{#name};
DEFINE_ENTRY(int (*)(mpg123_handle *mh), mpg123_close)
DEFINE_ENTRY(void (*)(mpg123_handle *mh), mpg123_delete)
DEFINE_ENTRY(int (*)(void), mpg123_init)
DEFINE_ENTRY(mpg123_handle* (*)(const char* decoder, int *error), mpg123_new)
DEFINE_ENTRY(int (*)(mpg123_handle *mh, ssize_t (*r_read) (void *, void *, size_t), off_t (*r_lseek)(void *, off_t, int), void (*cleanup)(void*)), mpg123_replace_reader_handle)
DEFINE_ENTRY(int (*)(mpg123_handle *mh, void *iohandle), mpg123_open_handle)
DEFINE_ENTRY(int (*)(mpg123_handle *mh, long *rate, int *channels, int *encoding), mpg123_getformat)
DEFINE_ENTRY(int (*)(mpg123_handle *mh), mpg123_format_none)
DEFINE_ENTRY(int (*)(mpg123_handle *mh, unsigned char *outmemory, size_t outmemsize, size_t *done), mpg123_read)
DEFINE_ENTRY(off_t (*)(mpg123_handle *mh, off_t sampleoff, int whence), mpg123_seek)
DEFINE_ENTRY(int (*)(mpg123_handle *mh, long rate, int channels, int encodings), mpg123_format)
DEFINE_ENTRY(off_t (*)(mpg123_handle *mh), mpg123_tell)
DEFINE_ENTRY(off_t (*)(mpg123_handle *mh), mpg123_length)
#undef DEFINE_ENTRY
#ifndef IN_IDE_PARSER
#define mpg123_close p_mpg123_close
#define mpg123_delete p_mpg123_delete
#define mpg123_init p_mpg123_init
#define mpg123_new p_mpg123_new
#define mpg123_replace_reader_handle p_mpg123_replace_reader_handle
#define mpg123_open_handle p_mpg123_open_handle
#define mpg123_getformat p_mpg123_getformat
#define mpg123_format_none p_mpg123_format_none
#define mpg123_read p_mpg123_read
#define mpg123_seek p_mpg123_seek
#define mpg123_tell p_mpg123_tell
#define mpg123_format p_mpg123_format
#define mpg123_length p_mpg123_length
#endif
#endif
#endif

209
libraries/zmusic/decoder/sndfile_decoder.cpp Normal file
View file

@ -0,0 +1,209 @@
/*
** sndfile_decoder.cpp
**
**---------------------------------------------------------------------------
** Copyright 2008-2010 Chris Robinson
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include <algorithm>
#include "zmusic/sndfile_decoder.h"
#include "i_module.h"
#ifdef HAVE_SNDFILE
FModule SndFileModule{"SndFile"};
#include "sndload.h"
#ifdef _WIN32
#define SNDFILELIB "libsndfile-1.dll"
#elif defined(__APPLE__)
#define SNDFILELIB "libsndfile.1.dylib"
#else
#define SNDFILELIB "libsndfile.so.1"
#endif
bool IsSndFilePresent()
{
#if !defined DYN_SNDFILE
return true;
#else
static bool cached_result = false;
static bool done = false;
if (!done)
{
done = true;
auto abspath = module_progdir + "/" SNDFILELIB;
cached_result = SndFileModule.Load({abspath.c_str(), SNDFILELIB});
}
return cached_result;
#endif
}
sf_count_t SndFileDecoder::file_get_filelen(void *user_data)
{
auto &reader = reinterpret_cast<SndFileDecoder*>(user_data)->Reader;
return reader->filelength();
}
sf_count_t SndFileDecoder::file_seek(sf_count_t offset, int whence, void *user_data)
{
auto &reader = reinterpret_cast<SndFileDecoder*>(user_data)->Reader;
if(reader->seek((long)offset, whence) != 0)
return -1;
return reader->tell();
}
sf_count_t SndFileDecoder::file_read(void *ptr, sf_count_t count, void *user_data)
{
auto &reader = reinterpret_cast<SndFileDecoder*>(user_data)->Reader;
return reader->read(ptr, (long)count);
}
sf_count_t SndFileDecoder::file_write(const void *ptr, sf_count_t count, void *user_data)
{
return -1;
}
sf_count_t SndFileDecoder::file_tell(void *user_data)
{
auto &reader = reinterpret_cast<SndFileDecoder*>(user_data)->Reader;
return reader->tell();
}
SndFileDecoder::~SndFileDecoder()
{
if(SndFile)
sf_close(SndFile);
SndFile = 0;
if (Reader) Reader->close();
Reader = nullptr;
}
bool SndFileDecoder::open(MusicIO::FileInterface *reader)
{
if (!IsSndFilePresent()) return false;
SF_VIRTUAL_IO sfio = { file_get_filelen, file_seek, file_read, file_write, file_tell };
Reader = reader;
SndInfo.format = 0;
SndFile = sf_open_virtual(&sfio, SFM_READ, &SndInfo, this);
if (SndFile)
{
if (SndInfo.channels == 1 || SndInfo.channels == 2)
return true;
sf_close(SndFile);
SndFile = 0;
}
Reader = nullptr; // need to give it back.
return false;
}
void SndFileDecoder::getInfo(int *samplerate, ChannelConfig *chans, SampleType *type)
{
*samplerate = SndInfo.samplerate;
if(SndInfo.channels == 2)
*chans = ChannelConfig_Stereo;
else
*chans = ChannelConfig_Mono;
*type = SampleType_Int16;
}
size_t SndFileDecoder::read(char *buffer, size_t bytes)
{
short *out = (short*)buffer;
size_t frames = bytes / SndInfo.channels / 2;
size_t total = 0;
// It seems libsndfile has a bug with converting float samples from Vorbis
// to the 16-bit shorts we use, which causes some PCM samples to overflow
// and wrap, creating static. So instead, read the samples as floats and
// convert to short ourselves.
// Use a loop to convert a handful of samples at a time, avoiding a heap
// allocation for temporary storage. 64 at a time works, though maybe it
// could be more.
while(total < frames)
{
size_t todo = std::min<size_t>(frames-total, 64/SndInfo.channels);
float tmp[64];
size_t got = (size_t)sf_readf_float(SndFile, tmp, todo);
if(got < todo) frames = total + got;
for(size_t i = 0;i < got*SndInfo.channels;i++)
*out++ = (short)std::max(std::min(tmp[i] * 32767.f, 32767.f), -32768.f);
total += got;
}
return total * SndInfo.channels * 2;
}
std::vector<uint8_t> SndFileDecoder::readAll()
{
if(SndInfo.frames <= 0)
return SoundDecoder::readAll();
int framesize = 2 * SndInfo.channels;
std::vector<uint8_t> output;
output.resize((unsigned)(SndInfo.frames * framesize));
size_t got = read((char*)&output[0], output.size());
output.resize((unsigned)got);
return output;
}
bool SndFileDecoder::seek(size_t ms_offset, bool ms, bool /*mayrestart*/)
{
size_t smp_offset = ms? (size_t)((double)ms_offset / 1000. * SndInfo.samplerate) : ms_offset;
if(sf_seek(SndFile, smp_offset, SEEK_SET) < 0)
return false;
return true;
}
size_t SndFileDecoder::getSampleOffset()
{
return (size_t)sf_seek(SndFile, 0, SEEK_CUR);
}
size_t SndFileDecoder::getSampleLength()
{
return (size_t)((SndInfo.frames > 0) ? SndInfo.frames : 0);
}
#endif

23
libraries/zmusic/decoder/sndload.h Normal file
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@ -0,0 +1,23 @@
#ifndef SNDDEF_H
#define SNDDEF_H
#if defined HAVE_SNDFILE && defined DYN_SNDFILE
#define DEFINE_ENTRY(type, name) static TReqProc<SndFileModule, type> p_##name{#name};
DEFINE_ENTRY(int (*)(SNDFILE *sndfile), sf_close)
DEFINE_ENTRY(SNDFILE* (*)(SF_VIRTUAL_IO *sfvirtual, int mode, SF_INFO *sfinfo, void *user_data), sf_open_virtual)
DEFINE_ENTRY(sf_count_t (*)(SNDFILE *sndfile, float *ptr, sf_count_t frames), sf_readf_float)
DEFINE_ENTRY(sf_count_t (*)(SNDFILE *sndfile, sf_count_t frames, int whence), sf_seek)
#undef DEFINE_ENTRY
#ifndef IN_IDE_PARSER
#define sf_close p_sf_close
#define sf_open_virtual p_sf_open_virtual
#define sf_readf_float p_sf_readf_float
#define sf_seek p_sf_seek
#endif
#endif
#endif

81
libraries/zmusic/decoder/sounddecoder.cpp Normal file
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@ -0,0 +1,81 @@
/*
** sounddecoder.cpp
** baseclass for sound format decoders
**
**---------------------------------------------------------------------------
** Copyright 2008-2019 Chris Robinson
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "zmusic/sndfile_decoder.h"
#include "zmusic/mpg123_decoder.h"
SoundDecoder *SoundDecoder::CreateDecoder(MusicIO::FileInterface *reader)
{
SoundDecoder *decoder = NULL;
auto pos = reader->tell();
#ifdef HAVE_SNDFILE
decoder = new SndFileDecoder;
if (decoder->open(reader))
return decoder;
reader->seek(pos, SEEK_SET);
delete decoder;
decoder = NULL;
#endif
#ifdef HAVE_MPG123
decoder = new MPG123Decoder;
if (decoder->open(reader))
return decoder;
reader->seek(pos, SEEK_SET);
delete decoder;
decoder = NULL;
#endif
return decoder;
}
// Default readAll implementation, for decoders that can't do anything better
std::vector<uint8_t> SoundDecoder::readAll()
{
std::vector<uint8_t> output;
unsigned total = 0;
unsigned got;
output.resize(total+32768);
while((got=(unsigned)read((char*)&output[total], output.size()-total)) > 0)
{
total += got;
output.resize(total*2);
}
output.resize(total);
return output;
}

8
libraries/zmusic/i_module.cpp
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@ -40,6 +40,7 @@
#include <dlfcn.h>
#endif
#ifndef _WIN32
#define LoadLibraryA(x) dlopen((x), RTLD_LAZY)
#define GetProcAddress(a,b) dlsym((a),(b))
@ -98,3 +99,10 @@ void *FModule::GetSym(const char* name)
{
return (void *)GetProcAddress((HMODULE)handle, name);
}
std::string module_progdir("."); // current program directory used to look up dynamic libraries. Default to something harmless in case the user didn't set it.
void FModule_SetProgDir(const char* progdir)
{
module_progdir = progdir;
}

4
libraries/zmusic/i_module.h
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@ -34,6 +34,7 @@
#pragma once
#include <assert.h>
#include <string>
#include <initializer_list>
/* FModule Run Time Library Loader
@ -227,3 +228,6 @@ public:
operator Proto() const { return Sym; }
explicit operator bool() const { return Sym != nullptr; }
};
void FModule_SetProgDir(const char* progdir);
extern std::string module_progdir;

4
libraries/zmusic/mididevices/music_fluidsynth_mididevice.cpp
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@ -41,10 +41,6 @@
// FluidSynth implementation of a MIDI device -------------------------------
#if !defined DYN_FLUIDSYNTH && defined _WIN32
#define DYN_FLUIDSYNTH 1 // On Windows this is the only supported way to link to FluidSynth.
#endif
#if !defined DYN_FLUIDSYNTH
#include <fluidsynth.h>
#else

1202
libraries/zmusic/thirdparty/mpg123.h vendored Normal file
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File diff suppressed because it is too large Load diff

667
libraries/zmusic/thirdparty/sndfile.h vendored Normal file
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@ -0,0 +1,667 @@
/*
** Copyright (C) 1999-2011Erik de Castro Lopo <erikd@mega-nerd.com>
**
** This program 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.
**
** This program 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 this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
** sndfile.h -- system-wide definitions
**
** API documentation is in the doc/ directory of the source code tarball
** and at http://www.mega-nerd.com/libsndfile/api.html.
*/
#ifndef SNDFILE_H
#define SNDFILE_H
/* This is the version 1.0.X header file. */
#define SNDFILE_1
#include <stdio.h>
#include <stdint.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* The following file types can be read and written.
** A file type would consist of a major type (ie SF_FORMAT_WAV) bitwise
** ORed with a minor type (ie SF_FORMAT_PCM). SF_FORMAT_TYPEMASK and
** SF_FORMAT_SUBMASK can be used to separate the major and minor file
** types.
*/
enum
{ /* Major formats. */
SF_FORMAT_WAV = 0x010000, /* Microsoft WAV format (little endian default). */
SF_FORMAT_AIFF = 0x020000, /* Apple/SGI AIFF format (big endian). */
SF_FORMAT_AU = 0x030000, /* Sun/NeXT AU format (big endian). */
SF_FORMAT_RAW = 0x040000, /* RAW PCM data. */
SF_FORMAT_PAF = 0x050000, /* Ensoniq PARIS file format. */
SF_FORMAT_SVX = 0x060000, /* Amiga IFF / SVX8 / SV16 format. */
SF_FORMAT_NIST = 0x070000, /* Sphere NIST format. */
SF_FORMAT_VOC = 0x080000, /* VOC files. */
SF_FORMAT_IRCAM = 0x0A0000, /* Berkeley/IRCAM/CARL */
SF_FORMAT_W64 = 0x0B0000, /* Sonic Foundry's 64 bit RIFF/WAV */
SF_FORMAT_MAT4 = 0x0C0000, /* Matlab (tm) V4.2 / GNU Octave 2.0 */
SF_FORMAT_MAT5 = 0x0D0000, /* Matlab (tm) V5.0 / GNU Octave 2.1 */
SF_FORMAT_PVF = 0x0E0000, /* Portable Voice Format */
SF_FORMAT_XI = 0x0F0000, /* Fasttracker 2 Extended Instrument */
SF_FORMAT_HTK = 0x100000, /* HMM Tool Kit format */
SF_FORMAT_SDS = 0x110000, /* Midi Sample Dump Standard */
SF_FORMAT_AVR = 0x120000, /* Audio Visual Research */
SF_FORMAT_WAVEX = 0x130000, /* MS WAVE with WAVEFORMATEX */
SF_FORMAT_SD2 = 0x160000, /* Sound Designer 2 */
SF_FORMAT_FLAC = 0x170000, /* FLAC lossless file format */
SF_FORMAT_CAF = 0x180000, /* Core Audio File format */
SF_FORMAT_WVE = 0x190000, /* Psion WVE format */
SF_FORMAT_OGG = 0x200000, /* Xiph OGG container */
SF_FORMAT_MPC2K = 0x210000, /* Akai MPC 2000 sampler */
SF_FORMAT_RF64 = 0x220000, /* RF64 WAV file */
/* Subtypes from here on. */
SF_FORMAT_PCM_S8 = 0x0001, /* Signed 8 bit data */
SF_FORMAT_PCM_16 = 0x0002, /* Signed 16 bit data */
SF_FORMAT_PCM_24 = 0x0003, /* Signed 24 bit data */
SF_FORMAT_PCM_32 = 0x0004, /* Signed 32 bit data */
SF_FORMAT_PCM_U8 = 0x0005, /* Unsigned 8 bit data (WAV and RAW only) */
SF_FORMAT_FLOAT = 0x0006, /* 32 bit float data */
SF_FORMAT_DOUBLE = 0x0007, /* 64 bit float data */
SF_FORMAT_ULAW = 0x0010, /* U-Law encoded. */
SF_FORMAT_ALAW = 0x0011, /* A-Law encoded. */
SF_FORMAT_IMA_ADPCM = 0x0012, /* IMA ADPCM. */
SF_FORMAT_MS_ADPCM = 0x0013, /* Microsoft ADPCM. */
SF_FORMAT_GSM610 = 0x0020, /* GSM 6.10 encoding. */
SF_FORMAT_VOX_ADPCM = 0x0021, /* OKI / Dialogix ADPCM */
SF_FORMAT_G721_32 = 0x0030, /* 32kbs G721 ADPCM encoding. */
SF_FORMAT_G723_24 = 0x0031, /* 24kbs G723 ADPCM encoding. */
SF_FORMAT_G723_40 = 0x0032, /* 40kbs G723 ADPCM encoding. */
SF_FORMAT_DWVW_12 = 0x0040, /* 12 bit Delta Width Variable Word encoding. */
SF_FORMAT_DWVW_16 = 0x0041, /* 16 bit Delta Width Variable Word encoding. */
SF_FORMAT_DWVW_24 = 0x0042, /* 24 bit Delta Width Variable Word encoding. */
SF_FORMAT_DWVW_N = 0x0043, /* N bit Delta Width Variable Word encoding. */
SF_FORMAT_DPCM_8 = 0x0050, /* 8 bit differential PCM (XI only) */
SF_FORMAT_DPCM_16 = 0x0051, /* 16 bit differential PCM (XI only) */
SF_FORMAT_VORBIS = 0x0060, /* Xiph Vorbis encoding. */
/* Endian-ness options. */
SF_ENDIAN_FILE = 0x00000000, /* Default file endian-ness. */
SF_ENDIAN_LITTLE = 0x10000000, /* Force little endian-ness. */
SF_ENDIAN_BIG = 0x20000000, /* Force big endian-ness. */
SF_ENDIAN_CPU = 0x30000000, /* Force CPU endian-ness. */
SF_FORMAT_SUBMASK = 0x0000FFFF,
SF_FORMAT_TYPEMASK = 0x0FFF0000,
SF_FORMAT_ENDMASK = 0x30000000
} ;
/*
** The following are the valid command numbers for the sf_command()
** interface. The use of these commands is documented in the file
** command.html in the doc directory of the source code distribution.
*/
enum
{ SFC_GET_LIB_VERSION = 0x1000,
SFC_GET_LOG_INFO = 0x1001,
SFC_GET_CURRENT_SF_INFO = 0x1002,
SFC_GET_NORM_DOUBLE = 0x1010,
SFC_GET_NORM_FLOAT = 0x1011,
SFC_SET_NORM_DOUBLE = 0x1012,
SFC_SET_NORM_FLOAT = 0x1013,
SFC_SET_SCALE_FLOAT_INT_READ = 0x1014,
SFC_SET_SCALE_INT_FLOAT_WRITE = 0x1015,
SFC_GET_SIMPLE_FORMAT_COUNT = 0x1020,
SFC_GET_SIMPLE_FORMAT = 0x1021,
SFC_GET_FORMAT_INFO = 0x1028,
SFC_GET_FORMAT_MAJOR_COUNT = 0x1030,
SFC_GET_FORMAT_MAJOR = 0x1031,
SFC_GET_FORMAT_SUBTYPE_COUNT = 0x1032,
SFC_GET_FORMAT_SUBTYPE = 0x1033,
SFC_CALC_SIGNAL_MAX = 0x1040,
SFC_CALC_NORM_SIGNAL_MAX = 0x1041,
SFC_CALC_MAX_ALL_CHANNELS = 0x1042,
SFC_CALC_NORM_MAX_ALL_CHANNELS = 0x1043,
SFC_GET_SIGNAL_MAX = 0x1044,
SFC_GET_MAX_ALL_CHANNELS = 0x1045,
SFC_SET_ADD_PEAK_CHUNK = 0x1050,
SFC_SET_ADD_HEADER_PAD_CHUNK = 0x1051,
SFC_UPDATE_HEADER_NOW = 0x1060,
SFC_SET_UPDATE_HEADER_AUTO = 0x1061,
SFC_FILE_TRUNCATE = 0x1080,
SFC_SET_RAW_START_OFFSET = 0x1090,
SFC_SET_DITHER_ON_WRITE = 0x10A0,
SFC_SET_DITHER_ON_READ = 0x10A1,
SFC_GET_DITHER_INFO_COUNT = 0x10A2,
SFC_GET_DITHER_INFO = 0x10A3,
SFC_GET_EMBED_FILE_INFO = 0x10B0,
SFC_SET_CLIPPING = 0x10C0,
SFC_GET_CLIPPING = 0x10C1,
SFC_GET_INSTRUMENT = 0x10D0,
SFC_SET_INSTRUMENT = 0x10D1,
SFC_GET_LOOP_INFO = 0x10E0,
SFC_GET_BROADCAST_INFO = 0x10F0,
SFC_SET_BROADCAST_INFO = 0x10F1,
SFC_GET_CHANNEL_MAP_INFO = 0x1100,
SFC_SET_CHANNEL_MAP_INFO = 0x1101,
SFC_RAW_DATA_NEEDS_ENDSWAP = 0x1110,
/* Support for Wavex Ambisonics Format */
SFC_WAVEX_SET_AMBISONIC = 0x1200,
SFC_WAVEX_GET_AMBISONIC = 0x1201,
SFC_SET_VBR_ENCODING_QUALITY = 0x1300,
/* Following commands for testing only. */
SFC_TEST_IEEE_FLOAT_REPLACE = 0x6001,
/*
** SFC_SET_ADD_* values are deprecated and will disappear at some
** time in the future. They are guaranteed to be here up to and
** including version 1.0.8 to avoid breakage of existng software.
** They currently do nothing and will continue to do nothing.
*/
SFC_SET_ADD_DITHER_ON_WRITE = 0x1070,
SFC_SET_ADD_DITHER_ON_READ = 0x1071
} ;
/*
** String types that can be set and read from files. Not all file types
** support this and even the file types which support one, may not support
** all string types.
*/
enum
{ SF_STR_TITLE = 0x01,
SF_STR_COPYRIGHT = 0x02,
SF_STR_SOFTWARE = 0x03,
SF_STR_ARTIST = 0x04,
SF_STR_COMMENT = 0x05,
SF_STR_DATE = 0x06,
SF_STR_ALBUM = 0x07,
SF_STR_LICENSE = 0x08,
SF_STR_TRACKNUMBER = 0x09,
SF_STR_GENRE = 0x10
} ;
/*
** Use the following as the start and end index when doing metadata
** transcoding.
*/
#define SF_STR_FIRST SF_STR_TITLE
#define SF_STR_LAST SF_STR_GENRE
enum
{ /* True and false */
SF_FALSE = 0,
SF_TRUE = 1,
/* Modes for opening files. */
SFM_READ = 0x10,
SFM_WRITE = 0x20,
SFM_RDWR = 0x30,
SF_AMBISONIC_NONE = 0x40,
SF_AMBISONIC_B_FORMAT = 0x41
} ;
/* Public error values. These are guaranteed to remain unchanged for the duration
** of the library major version number.
** There are also a large number of private error numbers which are internal to
** the library which can change at any time.
*/
enum
{ SF_ERR_NO_ERROR = 0,
SF_ERR_UNRECOGNISED_FORMAT = 1,
SF_ERR_SYSTEM = 2,
SF_ERR_MALFORMED_FILE = 3,
SF_ERR_UNSUPPORTED_ENCODING = 4
} ;
/* Channel map values (used with SFC_SET/GET_CHANNEL_MAP).
*/
enum
{ SF_CHANNEL_MAP_INVALID = 0,
SF_CHANNEL_MAP_MONO = 1,
SF_CHANNEL_MAP_LEFT, /* Apple calls this 'Left' */
SF_CHANNEL_MAP_RIGHT, /* Apple calls this 'Right' */
SF_CHANNEL_MAP_CENTER, /* Apple calls this 'Center' */
SF_CHANNEL_MAP_FRONT_LEFT,
SF_CHANNEL_MAP_FRONT_RIGHT,
SF_CHANNEL_MAP_FRONT_CENTER,
SF_CHANNEL_MAP_REAR_CENTER, /* Apple calls this 'Center Surround', Msft calls this 'Back Center' */
SF_CHANNEL_MAP_REAR_LEFT, /* Apple calls this 'Left Surround', Msft calls this 'Back Left' */
SF_CHANNEL_MAP_REAR_RIGHT, /* Apple calls this 'Right Surround', Msft calls this 'Back Right' */
SF_CHANNEL_MAP_LFE, /* Apple calls this 'LFEScreen', Msft calls this 'Low Frequency' */
SF_CHANNEL_MAP_FRONT_LEFT_OF_CENTER, /* Apple calls this 'Left Center' */
SF_CHANNEL_MAP_FRONT_RIGHT_OF_CENTER, /* Apple calls this 'Right Center */
SF_CHANNEL_MAP_SIDE_LEFT, /* Apple calls this 'Left Surround Direct' */
SF_CHANNEL_MAP_SIDE_RIGHT, /* Apple calls this 'Right Surround Direct' */
SF_CHANNEL_MAP_TOP_CENTER, /* Apple calls this 'Top Center Surround' */
SF_CHANNEL_MAP_TOP_FRONT_LEFT, /* Apple calls this 'Vertical Height Left' */
SF_CHANNEL_MAP_TOP_FRONT_RIGHT, /* Apple calls this 'Vertical Height Right' */
SF_CHANNEL_MAP_TOP_FRONT_CENTER, /* Apple calls this 'Vertical Height Center' */
SF_CHANNEL_MAP_TOP_REAR_LEFT, /* Apple and MS call this 'Top Back Left' */
SF_CHANNEL_MAP_TOP_REAR_RIGHT, /* Apple and MS call this 'Top Back Right' */
SF_CHANNEL_MAP_TOP_REAR_CENTER, /* Apple and MS call this 'Top Back Center' */
SF_CHANNEL_MAP_AMBISONIC_B_W,
SF_CHANNEL_MAP_AMBISONIC_B_X,
SF_CHANNEL_MAP_AMBISONIC_B_Y,
SF_CHANNEL_MAP_AMBISONIC_B_Z,
SF_CHANNEL_MAP_MAX
} ;
/* A SNDFILE* pointer can be passed around much like stdio.h's FILE* pointer. */
typedef struct SNDFILE_tag SNDFILE ;
/* The following typedef is system specific and is defined when libsndfile is
** compiled. sf_count_t will be a 64 bit value when the underlying OS allows
** 64 bit file offsets.
** On windows, we need to allow the same header file to be compiler by both GCC
** and the Microsoft compiler.
*/
#if (defined (_MSCVER) || defined (_MSC_VER))
typedef __int64 sf_count_t ;
#define SF_COUNT_MAX 0x7fffffffffffffffi64
#else
typedef int64_t sf_count_t ;
#define SF_COUNT_MAX 0x7FFFFFFFFFFFFFFFLL
#endif
/* A pointer to a SF_INFO structure is passed to sf_open () and filled in.
** On write, the SF_INFO structure is filled in by the user and passed into
** sf_open ().
*/
struct SF_INFO
{ sf_count_t frames ; /* Used to be called samples. Changed to avoid confusion. */
int samplerate ;
int channels ;
int format ;
int sections ;
int seekable ;
} ;
typedef struct SF_INFO SF_INFO ;
/* The SF_FORMAT_INFO struct is used to retrieve information about the sound
** file formats libsndfile supports using the sf_command () interface.
**
** Using this interface will allow applications to support new file formats
** and encoding types when libsndfile is upgraded, without requiring
** re-compilation of the application.
**
** Please consult the libsndfile documentation (particularly the information
** on the sf_command () interface) for examples of its use.
*/
typedef struct
{ int format ;
const char *name ;
const char *extension ;
} SF_FORMAT_INFO ;
/*
** Enums and typedefs for adding dither on read and write.
** See the html documentation for sf_command(), SFC_SET_DITHER_ON_WRITE
** and SFC_SET_DITHER_ON_READ.
*/
enum
{ SFD_DEFAULT_LEVEL = 0,
SFD_CUSTOM_LEVEL = 0x40000000,
SFD_NO_DITHER = 500,
SFD_WHITE = 501,
SFD_TRIANGULAR_PDF = 502
} ;
typedef struct
{ int type ;
double level ;
const char *name ;
} SF_DITHER_INFO ;
/* Struct used to retrieve information about a file embedded within a
** larger file. See SFC_GET_EMBED_FILE_INFO.
*/
typedef struct
{ sf_count_t offset ;
sf_count_t length ;
} SF_EMBED_FILE_INFO ;
/*
** Structs used to retrieve music sample information from a file.
*/
enum
{ /*
** The loop mode field in SF_INSTRUMENT will be one of the following.
*/
SF_LOOP_NONE = 800,
SF_LOOP_FORWARD,
SF_LOOP_BACKWARD,
SF_LOOP_ALTERNATING
} ;
typedef struct
{ int gain ;
char basenote, detune ;
char velocity_lo, velocity_hi ;
char key_lo, key_hi ;
int loop_count ;
struct
{ int mode ;
unsigned int start ;
unsigned int end ;
unsigned int count ;
} loops [16] ; /* make variable in a sensible way */
} SF_INSTRUMENT ;
/* Struct used to retrieve loop information from a file.*/
typedef struct
{
short time_sig_num ; /* any positive integer > 0 */
short time_sig_den ; /* any positive power of 2 > 0 */
int loop_mode ; /* see SF_LOOP enum */
int num_beats ; /* this is NOT the amount of quarter notes !!!*/
/* a full bar of 4/4 is 4 beats */
/* a full bar of 7/8 is 7 beats */
float bpm ; /* suggestion, as it can be calculated using other fields:*/
/* file's lenght, file's sampleRate and our time_sig_den*/
/* -> bpms are always the amount of _quarter notes_ per minute */
int root_key ; /* MIDI note, or -1 for None */
int future [6] ;
} SF_LOOP_INFO ;
/* Struct used to retrieve broadcast (EBU) information from a file.
** Strongly (!) based on EBU "bext" chunk format used in Broadcast WAVE.
*/
#define SF_BROADCAST_INFO_VAR(coding_hist_size) \
struct \
{ char description [256] ; \
char originator [32] ; \
char originator_reference [32] ; \
char origination_date [10] ; \
char origination_time [8] ; \
unsigned int time_reference_low ; \
unsigned int time_reference_high ; \
short version ; \
char umid [64] ; \
char reserved [190] ; \
unsigned int coding_history_size ; \
char coding_history [coding_hist_size] ; \
}
/* SF_BROADCAST_INFO is the above struct with coding_history field of 256 bytes. */
typedef SF_BROADCAST_INFO_VAR (256) SF_BROADCAST_INFO ;
/* Virtual I/O functionality. */
typedef sf_count_t (*sf_vio_get_filelen) (void *user_data) ;
typedef sf_count_t (*sf_vio_seek) (sf_count_t offset, int whence, void *user_data) ;
typedef sf_count_t (*sf_vio_read) (void *ptr, sf_count_t count, void *user_data) ;
typedef sf_count_t (*sf_vio_write) (const void *ptr, sf_count_t count, void *user_data) ;
typedef sf_count_t (*sf_vio_tell) (void *user_data) ;
struct SF_VIRTUAL_IO
{ sf_vio_get_filelen get_filelen ;
sf_vio_seek seek ;
sf_vio_read read ;
sf_vio_write write ;
sf_vio_tell tell ;
} ;
typedef struct SF_VIRTUAL_IO SF_VIRTUAL_IO ;
/* Open the specified file for read, write or both. On error, this will
** return a NULL pointer. To find the error number, pass a NULL SNDFILE
** to sf_strerror ().
** All calls to sf_open() should be matched with a call to sf_close().
*/
SNDFILE* sf_open (const char *path, int mode, SF_INFO *sfinfo) ;
/* Use the existing file descriptor to create a SNDFILE object. If close_desc
** is TRUE, the file descriptor will be closed when sf_close() is called. If
** it is FALSE, the descritor will not be closed.
** When passed a descriptor like this, the library will assume that the start
** of file header is at the current file offset. This allows sound files within
** larger container files to be read and/or written.
** On error, this will return a NULL pointer. To find the error number, pass a
** NULL SNDFILE to sf_strerror ().
** All calls to sf_open_fd() should be matched with a call to sf_close().
*/
SNDFILE* sf_open_fd (int fd, int mode, SF_INFO *sfinfo, int close_desc) ;
SNDFILE* sf_open_virtual (SF_VIRTUAL_IO *sfvirtual, int mode, SF_INFO *sfinfo, void *user_data) ;
/* sf_error () returns a error number which can be translated to a text
** string using sf_error_number().
*/
int sf_error (SNDFILE *sndfile) ;
/* sf_strerror () returns to the caller a pointer to the current error message for
** the given SNDFILE.
*/
const char* sf_strerror (SNDFILE *sndfile) ;
/* sf_error_number () allows the retrieval of the error string for each internal
** error number.
**
*/
const char* sf_error_number (int errnum) ;
/* The following two error functions are deprecated but they will remain in the
** library for the forseeable future. The function sf_strerror() should be used
** in their place.
*/
int sf_perror (SNDFILE *sndfile) ;
int sf_error_str (SNDFILE *sndfile, char* str, size_t len) ;
/* Return TRUE if fields of the SF_INFO struct are a valid combination of values. */
int sf_command (SNDFILE *sndfile, int command, void *data, int datasize) ;
/* Return TRUE if fields of the SF_INFO struct are a valid combination of values. */
int sf_format_check (const SF_INFO *info) ;
/* Seek within the waveform data chunk of the SNDFILE. sf_seek () uses
** the same values for whence (SEEK_SET, SEEK_CUR and SEEK_END) as
** stdio.h function fseek ().
** An offset of zero with whence set to SEEK_SET will position the
** read / write pointer to the first data sample.
** On success sf_seek returns the current position in (multi-channel)
** samples from the start of the file.
** Please see the libsndfile documentation for moving the read pointer
** separately from the write pointer on files open in mode SFM_RDWR.
** On error all of these functions return -1.
*/
sf_count_t sf_seek (SNDFILE *sndfile, sf_count_t frames, int whence) ;
/* Functions for retrieving and setting string data within sound files.
** Not all file types support this features; AIFF and WAV do. For both
** functions, the str_type parameter must be one of the SF_STR_* values
** defined above.
** On error, sf_set_string() returns non-zero while sf_get_string()
** returns NULL.
*/
int sf_set_string (SNDFILE *sndfile, int str_type, const char* str) ;
const char* sf_get_string (SNDFILE *sndfile, int str_type) ;
/* Return the library version string. */
const char * sf_version_string (void) ;
/* Functions for reading/writing the waveform data of a sound file.
*/
sf_count_t sf_read_raw (SNDFILE *sndfile, void *ptr, sf_count_t bytes) ;
sf_count_t sf_write_raw (SNDFILE *sndfile, const void *ptr, sf_count_t bytes) ;
/* Functions for reading and writing the data chunk in terms of frames.
** The number of items actually read/written = frames * number of channels.
** sf_xxxx_raw read/writes the raw data bytes from/to the file
** sf_xxxx_short passes data in the native short format
** sf_xxxx_int passes data in the native int format
** sf_xxxx_float passes data in the native float format
** sf_xxxx_double passes data in the native double format
** All of these read/write function return number of frames read/written.
*/
sf_count_t sf_readf_short (SNDFILE *sndfile, short *ptr, sf_count_t frames) ;
sf_count_t sf_writef_short (SNDFILE *sndfile, const short *ptr, sf_count_t frames) ;
sf_count_t sf_readf_int (SNDFILE *sndfile, int *ptr, sf_count_t frames) ;
sf_count_t sf_writef_int (SNDFILE *sndfile, const int *ptr, sf_count_t frames) ;
sf_count_t sf_readf_float (SNDFILE *sndfile, float *ptr, sf_count_t frames) ;
sf_count_t sf_writef_float (SNDFILE *sndfile, const float *ptr, sf_count_t frames) ;
sf_count_t sf_readf_double (SNDFILE *sndfile, double *ptr, sf_count_t frames) ;
sf_count_t sf_writef_double (SNDFILE *sndfile, const double *ptr, sf_count_t frames) ;
/* Functions for reading and writing the data chunk in terms of items.
** Otherwise similar to above.
** All of these read/write function return number of items read/written.
*/
sf_count_t sf_read_short (SNDFILE *sndfile, short *ptr, sf_count_t items) ;
sf_count_t sf_write_short (SNDFILE *sndfile, const short *ptr, sf_count_t items) ;
sf_count_t sf_read_int (SNDFILE *sndfile, int *ptr, sf_count_t items) ;
sf_count_t sf_write_int (SNDFILE *sndfile, const int *ptr, sf_count_t items) ;
sf_count_t sf_read_float (SNDFILE *sndfile, float *ptr, sf_count_t items) ;
sf_count_t sf_write_float (SNDFILE *sndfile, const float *ptr, sf_count_t items) ;
sf_count_t sf_read_double (SNDFILE *sndfile, double *ptr, sf_count_t items) ;
sf_count_t sf_write_double (SNDFILE *sndfile, const double *ptr, sf_count_t items) ;
/* Close the SNDFILE and clean up all memory allocations associated with this
** file.
** Returns 0 on success, or an error number.
*/
int sf_close (SNDFILE *sndfile) ;
/* If the file is opened SFM_WRITE or SFM_RDWR, call fsync() on the file
** to force the writing of data to disk. If the file is opened SFM_READ
** no action is taken.
*/
void sf_write_sync (SNDFILE *sndfile) ;
/* The function sf_wchar_open() is Windows Only!
** Open a file passing in a Windows Unicode filename. Otherwise, this is
** the same as sf_open().
**
** In order for this to work, you need to do the following:
**
** #include <windows.h>
** #define ENABLE_SNDFILE_WINDOWS_PROTOTYPES 1
** #including <sndfile.h>
*/
#if (defined (ENABLE_SNDFILE_WINDOWS_PROTOTYPES) && ENABLE_SNDFILE_WINDOWS_PROTOTYPES)
SNDFILE* sf_wchar_open (LPCWSTR wpath, int mode, SF_INFO *sfinfo) ;
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* SNDFILE_H */

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#ifndef MPG123_DECODER_H
#define MPG123_DECODER_H
#include "sounddecoder.h"
#ifdef HAVE_MPG123
#ifdef _MSC_VER
#include <stddef.h>
typedef ptrdiff_t ssize_t;
#endif
#ifndef DYN_MPG123
#include "mpg123.h"
#else
#include "thirdparty/mpg123.h"
#endif
struct MPG123Decoder : public SoundDecoder
{
virtual void getInfo(int* samplerate, ChannelConfig* chans, SampleType* type) override;
virtual size_t read(char* buffer, size_t bytes) override;
virtual bool seek(size_t ms_offset, bool ms, bool mayrestart) override;
virtual size_t getSampleOffset() override;
virtual size_t getSampleLength() override;
MPG123Decoder() : MPG123(0) { }
virtual ~MPG123Decoder();
protected:
virtual bool open(MusicIO::FileInterface *reader) override;
private:
mpg123_handle *MPG123;
bool Done;
MusicIO::FileInterface* Reader;
static off_t file_lseek(void *handle, off_t offset, int whence);
static ssize_t file_read(void *handle, void *buffer, size_t bytes);
// Make non-copyable
MPG123Decoder(const MPG123Decoder &rhs);
MPG123Decoder& operator=(const MPG123Decoder &rhs);
};
#endif
#endif /* MPG123_DECODER_H */

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#ifndef SNDFILE_DECODER_H
#define SNDFILE_DECODER_H
#include "sounddecoder.h"
#ifdef HAVE_SNDFILE
#ifndef DYN_SNDFILE
#include "sndfile.h"
#else
#include "thirdparty/sndfile.h"
#endif
struct SndFileDecoder : public SoundDecoder
{
virtual void getInfo(int *samplerate, ChannelConfig *chans, SampleType *type) override;
virtual size_t read(char *buffer, size_t bytes) override;
virtual std::vector<uint8_t> readAll() override;
virtual bool seek(size_t ms_offset, bool ms, bool mayrestart) override;
virtual size_t getSampleOffset() override;
virtual size_t getSampleLength() override;
SndFileDecoder() : SndFile(0) { }
virtual ~SndFileDecoder();
protected:
virtual bool open(MusicIO::FileInterface *reader) override;
private:
SNDFILE *SndFile;
SF_INFO SndInfo;
MusicIO::FileInterface* Reader;
static sf_count_t file_get_filelen(void *user_data);
static sf_count_t file_seek(sf_count_t offset, int whence, void *user_data);
static sf_count_t file_read(void *ptr, sf_count_t count, void *user_data);
static sf_count_t file_write(const void *ptr, sf_count_t count, void *user_data);
static sf_count_t file_tell(void *user_data);
// Make non-copyable
SndFileDecoder(const SndFileDecoder &rhs);
SndFileDecoder& operator=(const SndFileDecoder &rhs);
};
#endif
#endif /* SNDFILE_DECODER_H */

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libraries/zmusic/zmusic/sounddecoder.h Normal file
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#pragma once
#include "../../music_common/fileio.h"
#include <vector>
enum SampleType
{
SampleType_UInt8,
SampleType_Int16
};
enum ChannelConfig
{
ChannelConfig_Mono,
ChannelConfig_Stereo
};
struct SoundDecoder
{
static SoundDecoder* CreateDecoder(MusicIO::FileInterface* reader);
virtual void getInfo(int *samplerate, ChannelConfig *chans, SampleType *type) = 0;
virtual size_t read(char *buffer, size_t bytes) = 0;
virtual std::vector<uint8_t> readAll();
virtual bool seek(size_t ms_offset, bool ms, bool mayrestart) = 0;
virtual size_t getSampleOffset() = 0;
virtual size_t getSampleLength() { return 0; }
virtual bool open(MusicIO::FileInterface* reader) = 0;
SoundDecoder() { }
virtual ~SoundDecoder() { }
protected:
friend class SoundRenderer;
// Make non-copyable
SoundDecoder(const SoundDecoder &rhs) = delete;
SoundDecoder& operator=(const SoundDecoder &rhs) = delete;
};