sm64pc/tools/audiofile-0.3.6/libaudiofile/FileHandle.cpp

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2020-05-07 18:21:22 +00:00
/*
Audio File Library
Copyright (C) 2010-2012, Michael Pruett <michael@68k.org>
Copyright (C) 2000-2001, Silicon Graphics, Inc.
This library 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 library 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 library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "FileHandle.h"
#include "afinternal.h"
#include "audiofile.h"
#include "byteorder.h"
#include <stdlib.h>
#include <assert.h>
#include "AIFF.h"
#include "AVR.h"
#include "CAF.h"
#include "FLACFile.h"
#include "IFF.h"
#include "IRCAM.h"
#include "NeXT.h"
#include "NIST.h"
#include "Raw.h"
#include "SampleVision.h"
#include "VOC.h"
#include "WAVE.h"
#include "File.h"
#include "Instrument.h"
#include "Setup.h"
#include "Tag.h"
#include "Track.h"
#include "units.h"
#include "util.h"
static void freeInstParams (AFPVu *values, int fileFormat)
{
if (!values)
return;
int parameterCount = _af_units[fileFormat].instrumentParameterCount;
for (int i=0; i<parameterCount; i++)
{
if (_af_units[fileFormat].instrumentParameters[i].type == AU_PVTYPE_PTR)
free(values[i].v);
}
free(values);
}
_AFfilehandle *_AFfilehandle::create(int fileFormat)
{
switch (fileFormat)
{
case AF_FILE_RAWDATA:
return new RawFile();
case AF_FILE_AIFF:
case AF_FILE_AIFFC:
return new AIFFFile();
case AF_FILE_NEXTSND:
return new NeXTFile();
case AF_FILE_WAVE:
return new WAVEFile();
case AF_FILE_BICSF:
return new IRCAMFile();
case AF_FILE_AVR:
return new AVRFile();
case AF_FILE_IFF_8SVX:
return new IFFFile();
case AF_FILE_SAMPLEVISION:
return new SampleVisionFile();
case AF_FILE_VOC:
return new VOCFile();
case AF_FILE_NIST_SPHERE:
return new NISTFile();
case AF_FILE_CAF:
return new CAFFile();
case AF_FILE_FLAC:
return new FLACFile();
default:
return NULL;
}
}
_AFfilehandle::_AFfilehandle()
{
m_valid = _AF_VALID_FILEHANDLE;
m_access = 0;
m_seekok = false;
m_fh = NULL;
m_fileName = NULL;
m_fileFormat = AF_FILE_UNKNOWN;
m_trackCount = 0;
m_tracks = NULL;
m_instrumentCount = 0;
m_instruments = NULL;
m_miscellaneousCount = 0;
m_miscellaneous = NULL;
m_formatByteOrder = 0;
}
_AFfilehandle::~_AFfilehandle()
{
m_valid = 0;
free(m_fileName);
delete [] m_tracks;
m_tracks = NULL;
m_trackCount = 0;
if (m_instruments)
{
for (int i=0; i<m_instrumentCount; i++)
{
free(m_instruments[i].loops);
m_instruments[i].loops = NULL;
m_instruments[i].loopCount = 0;
freeInstParams(m_instruments[i].values, m_fileFormat);
m_instruments[i].values = NULL;
}
free(m_instruments);
m_instruments = NULL;
}
m_instrumentCount = 0;
if (m_miscellaneous)
{
for (int i=0; i<m_miscellaneousCount; i++)
free(m_miscellaneous[i].buffer);
free(m_miscellaneous);
m_miscellaneous = NULL;
}
m_miscellaneousCount = 0;
}
Track *_AFfilehandle::allocateTrack()
{
assert(!m_trackCount);
assert(!m_tracks);
m_trackCount = 1;
m_tracks = new Track[1];
return m_tracks;
}
Track *_AFfilehandle::getTrack(int trackID)
{
for (int i=0; i<m_trackCount; i++)
if (m_tracks[i].id == trackID)
return &m_tracks[i];
_af_error(AF_BAD_TRACKID, "bad track id %d", trackID);
return NULL;
}
bool _AFfilehandle::checkCanRead()
{
if (m_access != _AF_READ_ACCESS)
{
_af_error(AF_BAD_NOREADACC, "file not opened for read access");
return false;
}
return true;
}
bool _AFfilehandle::checkCanWrite()
{
if (m_access != _AF_WRITE_ACCESS)
{
_af_error(AF_BAD_NOWRITEACC, "file not opened for write access");
return false;
}
return true;
}
Instrument *_AFfilehandle::getInstrument(int instrumentID)
{
for (int i = 0; i < m_instrumentCount; i++)
if (m_instruments[i].id == instrumentID)
return &m_instruments[i];
_af_error(AF_BAD_INSTID, "invalid instrument id %d", instrumentID);
return NULL;
}
Miscellaneous *_AFfilehandle::getMiscellaneous(int miscellaneousID)
{
for (int i=0; i<m_miscellaneousCount; i++)
{
if (m_miscellaneous[i].id == miscellaneousID)
return &m_miscellaneous[i];
}
_af_error(AF_BAD_MISCID, "bad miscellaneous id %d", miscellaneousID);
return NULL;
}
status _AFfilehandle::initFromSetup(AFfilesetup setup)
{
if (copyTracksFromSetup(setup) == AF_FAIL)
return AF_FAIL;
if (copyInstrumentsFromSetup(setup) == AF_FAIL)
return AF_FAIL;
if (copyMiscellaneousFromSetup(setup) == AF_FAIL)
return AF_FAIL;
return AF_SUCCEED;
}
status _AFfilehandle::copyTracksFromSetup(AFfilesetup setup)
{
if ((m_trackCount = setup->trackCount) == 0)
{
m_tracks = NULL;
return AF_SUCCEED;
}
m_tracks = new Track[m_trackCount];
if (!m_tracks)
return AF_FAIL;
for (int i=0; i<m_trackCount; i++)
{
Track *track = &m_tracks[i];
TrackSetup *trackSetup = &setup->tracks[i];
track->id = trackSetup->id;
track->f = trackSetup->f;
if (track->copyMarkers(trackSetup) == AF_FAIL)
return AF_FAIL;
track->hasAESData = trackSetup->aesDataSet;
}
return AF_SUCCEED;
}
status _AFfilehandle::copyInstrumentsFromSetup(AFfilesetup setup)
{
if ((m_instrumentCount = setup->instrumentCount) == 0)
{
m_instruments = NULL;
return AF_SUCCEED;
}
m_instruments = static_cast<Instrument *>(_af_calloc(m_instrumentCount,
sizeof (Instrument)));
if (!m_instruments)
return AF_FAIL;
for (int i=0; i<m_instrumentCount; i++)
{
m_instruments[i].id = setup->instruments[i].id;
// Copy loops.
if ((m_instruments[i].loopCount = setup->instruments[i].loopCount) == 0)
{
m_instruments[i].loops = NULL;
}
else
{
m_instruments[i].loops =
static_cast<Loop *>(_af_calloc(m_instruments[i].loopCount,
sizeof (Loop)));
if (!m_instruments[i].loops)
return AF_FAIL;
for (int j=0; j<m_instruments[i].loopCount; j++)
{
Loop *loop = &m_instruments[i].loops[j];
loop->id = setup->instruments[i].loops[j].id;
loop->mode = AF_LOOP_MODE_NOLOOP;
loop->count = 0;
loop->trackid = AF_DEFAULT_TRACK;
loop->beginMarker = 2*j + 1;
loop->endMarker = 2*j + 2;
}
}
int instParamCount;
// Copy instrument parameters.
if ((instParamCount = _af_units[setup->fileFormat].instrumentParameterCount) == 0)
{
m_instruments[i].values = NULL;
}
else
{
m_instruments[i].values =
static_cast<AFPVu *>(_af_calloc(instParamCount, sizeof (AFPVu)));
if (!m_instruments[i].values)
return AF_FAIL;
for (int j=0; j<instParamCount; j++)
{
m_instruments[i].values[j] = _af_units[setup->fileFormat].instrumentParameters[j].defaultValue;
}
}
}
return AF_SUCCEED;
}
status _AFfilehandle::copyMiscellaneousFromSetup(AFfilesetup setup)
{
if ((m_miscellaneousCount = setup->miscellaneousCount) == 0)
{
m_miscellaneous = NULL;
return AF_SUCCEED;
}
m_miscellaneous = static_cast<Miscellaneous *>(_af_calloc(m_miscellaneousCount,
sizeof (Miscellaneous)));
if (!m_miscellaneous)
return AF_FAIL;
for (int i=0; i<m_miscellaneousCount; i++)
{
m_miscellaneous[i].id = setup->miscellaneous[i].id;
m_miscellaneous[i].type = setup->miscellaneous[i].type;
m_miscellaneous[i].size = setup->miscellaneous[i].size;
m_miscellaneous[i].position = 0;
m_miscellaneous[i].buffer = NULL;
}
return AF_SUCCEED;
}
template <typename T>
static bool readValue(File *f, T *value)
{
return f->read(value, sizeof (*value)) == sizeof (*value);
}
template <typename T>
static bool writeValue(File *f, const T *value)
{
return f->write(value, sizeof (*value)) == sizeof (*value);
}
template <typename T>
static T swapValue(T value, int order)
{
if (order == AF_BYTEORDER_BIGENDIAN)
return bigToHost(value);
else if (order == AF_BYTEORDER_LITTLEENDIAN)
return littleToHost(value);
return value;
}
template <typename T>
static bool readSwap(File *f, T *value, int order)
{
if (!readValue(f, value)) return false;
*value = swapValue(*value, order);
return true;
}
template <typename T>
static bool writeSwap(File *f, const T *value, int order)
{
T t = swapValue(*value, order);
return writeValue(f, &t);
}
bool _AFfilehandle::readU8(uint8_t *v) { return readValue(m_fh, v); }
bool _AFfilehandle::readS8(int8_t *v) { return readValue(m_fh, v); }
bool _AFfilehandle::readU16(uint16_t *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readS16(int16_t *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readU32(uint32_t *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readS32(int32_t *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readU64(uint64_t *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readS64(int64_t *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readFloat(float *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readDouble(double *v)
{
return readSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeU8(const uint8_t *v) { return writeValue(m_fh, v); }
bool _AFfilehandle::writeS8(const int8_t *v) { return writeValue(m_fh, v); }
bool _AFfilehandle::writeU16(const uint16_t *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeS16(const int16_t *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeU32(const uint32_t *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeS32(const int32_t *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeU64(const uint64_t *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeS64(const int64_t *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeFloat(const float *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::writeDouble(const double *v)
{
return writeSwap(m_fh, v, m_formatByteOrder);
}
bool _AFfilehandle::readTag(Tag *t)
{
uint32_t v;
if (m_fh->read(&v, sizeof (v)) == sizeof (v))
{
*t = Tag(v);
return true;
}
return false;
}
bool _AFfilehandle::writeTag(const Tag *t)
{
uint32_t v = t->value();
return m_fh->write(&v, sizeof (v)) == sizeof (v);
}