/***************************************************************************
* Copyright (C) 2007-2020 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QMessageBox>
#include <QFileInfo>
#ifdef Q_OS_WIN
#include <windows.h>
#define ENABLE_SNDFILE_WINDOWS_PROTOTYPES 1
#endif
#include <sndfile.h>
#include "decoder_sndfile.h"
#include "decodersndfilefactory.h"
#ifndef WAVE_FORMAT_PCM
#define WAVE_FORMAT_PCM 0x0001
#endif
#define WAVE_FORMAT_ADPCM 0x0002
#define WAVE_FORMAT_IEEE_FLOAT 0x0003
#define WAVE_FORMAT_ALAW 0x0006
#define WAVE_FORMAT_MULAW 0x0007
// DecoderSndFileFactory
bool DecoderSndFileFactory::canDecode(QIODevice *input) const
{
char buf[36] = {0};
if(input->peek(buf, sizeof(buf)) != sizeof(buf))
return false;
if(!memcmp(buf + 8, "WAVE", 4) && (!memcmp(buf, "RIFF", 4) || !memcmp(buf, "RIFX", 4)))
{
quint16 subformat = 0;
if(!memcmp(buf + 12, "fmt ", 4))
{
subformat = (quint16(buf[21]) << 8) + buf[20];
}
else if(!input->isSequential())
{
input->seek(12);
//skip "JUNK" and "bext" chunks
while(!input->atEnd())
{
if(input->peek(buf, sizeof(buf)) != sizeof(buf))
return false;
if(!memcmp(buf, "fmt ", 4))
{
subformat = (quint16(buf[9]) << 8) + buf[8];
break;
}
else if(!memcmp(buf, "JUNK", 4) || !memcmp(buf, "bext", 4))
{
size_t size = buf[4] + (buf[5] << 8) + (buf[6] << 16) + (buf[7] << 24);
if(!input->seek(input->pos() + size + 8))
break;
}
else
{
break;
}
}
input->seek(0);
}
switch (subformat)
{
case WAVE_FORMAT_PCM:
case WAVE_FORMAT_ADPCM:
case WAVE_FORMAT_IEEE_FLOAT:
case WAVE_FORMAT_ALAW:
case WAVE_FORMAT_MULAW:
return true;
default:
return false;
}
}
else if(!memcmp(buf, "FORM", 4))
{
if(!memcmp(buf + 8, "AIFF", 4))
return true;
if(!memcmp(buf + 8, "8SVX", 4))
return true;
}
else if(!memcmp(buf, ".snd", 4) || !memcmp(buf, "dns.", 4))
return true;
else if(!memcmp(buf, "fap ", 4) || !memcmp(buf, " paf", 4))
return true;
else if(!memcmp(buf, "NIST", 4))
return true;
else if(!memcmp(buf, "Crea", 4) && !memcmp(buf + 4, "tive", 4))
return true;
else if(!memcmp(buf, "riff", 4))
return true;
return false;
}
DecoderProperties DecoderSndFileFactory::properties() const
{
DecoderProperties properties;
properties.name = tr("Sndfile Plugin");
properties.filters << "*.wav" << "*.au" << "*.snd" << "*.aif" << "*.aiff" << "*.8svx";
properties.filters << "*.sph" << "*.sf" << "*.voc" << "*.w64";
properties.description = tr("PCM Files");
//properties.contentType = "";
properties.shortName = "sndfile";
properties.hasAbout = true;
properties.hasSettings = false;
properties.noInput = false;
return properties;
}
Decoder *DecoderSndFileFactory::create(const QString &, QIODevice *input)
{
return new DecoderSndFile(input);
}
QList<TrackInfo *> DecoderSndFileFactory::createPlayList(const QString &path, TrackInfo::Parts parts, QStringList *)
{
TrackInfo *info = new TrackInfo(path);
if(parts == TrackInfo::Parts())
return QList<TrackInfo*>() << info;
SF_INFO snd_info;
SNDFILE *sndfile = nullptr;
memset(&snd_info, 0, sizeof(snd_info));
snd_info.format = 0;
#ifdef Q_OS_WIN
sndfile = sf_wchar_open(reinterpret_cast<LPCWSTR>(path.utf16()), SFM_READ, &snd_info);
#else
sndfile = sf_open(path.toLocal8Bit().constData(), SFM_READ, &snd_info);
#endif
if(!sndfile)
{
delete info;
return QList<TrackInfo *>();
}
if(parts & TrackInfo::MetaData)
{
const char *title = sf_get_string(sndfile, SF_STR_TITLE);
info->setValue(Qmmp::TITLE, title ? QString::fromUtf8(title) : QString());
const char *date = sf_get_string(sndfile, SF_STR_DATE);
info->setValue(Qmmp::YEAR, date ? QString::fromUtf8(date) : QString());
const char *album = sf_get_string(sndfile, SF_STR_ALBUM);
info->setValue(Qmmp::ALBUM, album ? QString::fromUtf8(album) : QString());
const char *track = sf_get_string(sndfile, SF_STR_TRACKNUMBER);
info->setValue(Qmmp::TRACK, track ? QString::fromUtf8(track) : QString());
const char *artist = sf_get_string(sndfile, SF_STR_ARTIST);
info->setValue(Qmmp::ARTIST, artist ? QString::fromUtf8(artist) : QString());
const char *comment = sf_get_string(sndfile, SF_STR_COMMENT);
info->setValue(Qmmp::COMMENT, comment ? QString::fromUtf8(comment) : QString());
const char *genre = sf_get_string(sndfile, SF_STR_GENRE);
info->setValue(Qmmp::COMMENT, genre ? QString::fromUtf8(genre) : QString());
}
if(parts & TrackInfo::Properties)
{
info->setValue(Qmmp::BITRATE, QFileInfo(path).size() * 8000.0 / info->duration() + 0.5);
info->setValue(Qmmp::SAMPLERATE, snd_info.samplerate);
info->setValue(Qmmp::CHANNELS, snd_info.channels);
switch(snd_info.format & SF_FORMAT_SUBMASK)
{
case SF_FORMAT_PCM_S8:
case SF_FORMAT_PCM_U8:
info->setValue(Qmmp::BITS_PER_SAMPLE, 8);
break;
case SF_FORMAT_PCM_16:
info->setValue(Qmmp::BITS_PER_SAMPLE, 16);
break;
case SF_FORMAT_PCM_24:
info->setValue(Qmmp::BITS_PER_SAMPLE, 24);
break;
case SF_FORMAT_PCM_32:
case SF_FORMAT_FLOAT:
info->setValue(Qmmp::BITS_PER_SAMPLE, 32);
break;
case SF_FORMAT_DOUBLE:
info->setValue(Qmmp::BITS_PER_SAMPLE, 64);
break;
}
SF_FORMAT_INFO format_info;
memset(&format_info, 0, sizeof(format_info));
format_info.format = (snd_info.format & SF_FORMAT_TYPEMASK);
sf_command(nullptr, SFC_GET_FORMAT_INFO, &format_info, sizeof(format_info));
info->setValue(Qmmp::FORMAT_NAME, QString::fromLatin1(format_info.name));
info->setDuration(int(snd_info.frames * 1000 / snd_info.samplerate));
}
sf_close(sndfile);
return QList<TrackInfo *>() << info;
}
MetaDataModel* DecoderSndFileFactory::createMetaDataModel(const QString&, bool)
{
return nullptr;
}
void DecoderSndFileFactory::showSettings(QWidget *)
{}
void DecoderSndFileFactory::showAbout(QWidget *parent)
{
char version [128] = { 0 };
sf_command (nullptr, SFC_GET_LIB_VERSION, version, sizeof (version)) ;
QMessageBox::about (parent, tr("About Sndfile Audio Plugin"),
tr("Qmmp Sndfile Audio Plugin")+"\n"+
tr("Compiled against")+" "+QString(version)+"\n" +
tr("Written by: Ilya Kotov <forkotov02@ya.ru>"));
}
QString DecoderSndFileFactory::translation() const
{
return QLatin1String(":/sndfile_plugin_");
}
