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/***************************************************************************
Compression.cpp - Wrapper for a compression
-------------------
begin : Fri Jan 25 2013
copyright : (C) 2013 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "config.h"
#include <new>
#include <stdlib.h>
#include <audiofile.h>
#include "libkwave/Compression.h"
/* static instance */
QMap<int, Kwave::Compression::Info> Kwave::Compression::m_map;
//***************************************************************************
Kwave::Compression::Compression()
:m_type(Kwave::Compression::NONE)
{
fillMap();
}
//***************************************************************************
Kwave::Compression::Compression(const Type value)
:m_type(value)
{
fillMap();
}
//***************************************************************************
QString Kwave::Compression::name() const
{
return (m_map.contains(m_type)) ?
m_map[m_type].m_name.toString() : QString();
}
//***************************************************************************
QString Kwave::Compression::preferredMimeType() const
{
return (m_map.contains(m_type)) ?
m_map[m_type].m_mime_type : QString();
}
//***************************************************************************
QList<Kwave::SampleFormat> Kwave::Compression::sampleFormats() const
{
return (m_map.contains(m_type)) ?
m_map[m_type].m_sample_formats : QList<Kwave::SampleFormat>();
}
//***************************************************************************
bool Kwave::Compression::hasABR() const
{
return (m_map.contains(m_type)) ? m_map[m_type].m_has_abr : false;
}
//***************************************************************************
bool Kwave::Compression::hasVBR() const
{
return (m_map.contains(m_type)) ? m_map[m_type].m_has_vbr : false;
}
//***************************************************************************
Kwave::Compression::Type Kwave::Compression::fromInt(int i)
{
fillMap();
return (m_map.contains(static_cast<Kwave::Compression::Type>(i))) ?
static_cast<Kwave::Compression::Type>(i) : Kwave::Compression::NONE;
}
//***************************************************************************
void Kwave::Compression::fillMap()
{
if (!m_map.isEmpty()) return; // bail out if already filled
QList<Kwave::SampleFormat> sfmt_none;
QList<Kwave::SampleFormat> sfmt_int;
sfmt_int += Kwave::SampleFormat(Kwave::SampleFormat::Signed);
sfmt_int += Kwave::SampleFormat(Kwave::SampleFormat::Unsigned);
QList<Kwave::SampleFormat> sfmt_all;
sfmt_all += sfmt_int;
sfmt_all += Kwave::SampleFormat(Kwave::SampleFormat::Float);
sfmt_all += Kwave::SampleFormat(Kwave::SampleFormat::Double);
/* no compression */
m_map.insert(Kwave::Compression::NONE, Kwave::Compression::Info(
kli18n("No Compression"),
QString(),
sfmt_all, false, false));
/* types supported by OSS+ALSA record plugin and WAV codec */
m_map.insert(Kwave::Compression::G711_ULAW, Kwave::Compression::Info(
kli18n("CCITT G.711 u-law"),
QString(),
sfmt_int, false, false));
m_map.insert(Kwave::Compression::G711_ALAW, Kwave::Compression::Info(
kli18n("CCITT G.711 A-law"),
QString(),
sfmt_int, false, false));
m_map.insert(Kwave::Compression::MS_ADPCM, Kwave::Compression::Info(
kli18n("MS ADPCM"),
QString(),
sfmt_int, false, false));
m_map.insert(Kwave::Compression::GSM, Kwave::Compression::Info(
kli18n("GSM"),
QString(),
sfmt_int, false, false));
/* compression types from libaudiofile (for display only, not supported) */
m_map.insert(Kwave::Compression::G722, Kwave::Compression::Info(
kli18n("G722"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::APPLE_ACE2, Kwave::Compression::Info(
kli18n("Apple ACE2"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::APPLE_ACE8, Kwave::Compression::Info(
kli18n("Apple ACE8"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::APPLE_MAC3, Kwave::Compression::Info(
kli18n("Apple MAC3"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::APPLE_MAC6, Kwave::Compression::Info(
kli18n("Apple MAC6"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::G726, Kwave::Compression::Info(
kli18n("G726"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::DVI_AUDIO, Kwave::Compression::Info(
kli18n("DVI Audio / IMA"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::FS1016, Kwave::Compression::Info(
kli18n("FS1016"),
QString(),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::DV, Kwave::Compression::Info(
kli18n("DV"),
QString(),
sfmt_none, true, false));
/* MPEG layer I/II/III */
#ifdef HAVE_MP3
m_map.insert(Kwave::Compression::MPEG_LAYER_I, Kwave::Compression::Info(
kli18n("MPEG Layer I"),
_("audio/x-mp3"),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::MPEG_LAYER_II, Kwave::Compression::Info(
kli18n("MPEG Layer II"),
_("audio/x-mp3"),
sfmt_none, true, false));
m_map.insert(Kwave::Compression::MPEG_LAYER_III, Kwave::Compression::Info(
kli18n("MPEG Layer III"),
_("audio/x-mp3"),
sfmt_none, true, false));
#endif /* HAVE_MP3 */
/* FLAC */
#ifdef HAVE_FLAC
m_map.insert(Kwave::Compression::FLAC, Kwave::Compression::Info(
kli18n("FLAC"),
_("audio/x-flac"),
sfmt_none, false, false));
#endif /* HAVE_FLAC */
/* Ogg Vorbis */
#ifdef HAVE_OGG_VORBIS
m_map.insert(Kwave::Compression::OGG_VORBIS, Kwave::Compression::Info(
kli18n("Ogg Vorbis"),
_("audio/ogg"),
sfmt_none, true, true));
#endif /* HAVE_OGG_VORBIS */
/* Ogg Opus */
#ifdef HAVE_OGG_OPUS
m_map.insert(Kwave::Compression::OGG_OPUS, Kwave::Compression::Info(
kli18n("Ogg Opus"),
_("audio/opus"),
sfmt_none, true, false));
#endif /* HAVE_OGG_OPUS */
}
//***************************************************************************
int Kwave::Compression::toAudiofile(Kwave::Compression::Type compression)
{
int af_compression = AF_COMPRESSION_UNKNOWN;
fillMap();
switch (compression)
{
case Kwave::Compression::NONE:
af_compression = AF_COMPRESSION_NONE;
break;
case Kwave::Compression::G722:
af_compression = AF_COMPRESSION_G722;
break;
case Kwave::Compression::G711_ULAW:
af_compression = AF_COMPRESSION_G711_ULAW;
break;
case Kwave::Compression::G711_ALAW:
af_compression = AF_COMPRESSION_G711_ALAW;
break;
case Kwave::Compression::APPLE_ACE2:
af_compression = AF_COMPRESSION_APPLE_ACE2;
break;
case Kwave::Compression::APPLE_ACE8:
af_compression = AF_COMPRESSION_APPLE_ACE8;
break;
case Kwave::Compression::APPLE_MAC3:
af_compression = AF_COMPRESSION_APPLE_MAC3;
break;
case Kwave::Compression::APPLE_MAC6:
af_compression = AF_COMPRESSION_APPLE_MAC6;
break;
case Kwave::Compression::G726:
af_compression = AF_COMPRESSION_G726;
break;
case Kwave::Compression::G728:
af_compression = AF_COMPRESSION_G728;
break;
case Kwave::Compression::DVI_AUDIO:
af_compression = AF_COMPRESSION_DVI_AUDIO;
break;
case Kwave::Compression::GSM:
af_compression = AF_COMPRESSION_GSM;
break;
case Kwave::Compression::FS1016:
af_compression = AF_COMPRESSION_FS1016;
break;
case Kwave::Compression::DV:
af_compression = AF_COMPRESSION_DV;
break;
case Kwave::Compression::MS_ADPCM:
af_compression = AF_COMPRESSION_MS_ADPCM;
break;
#ifdef HAVE_AF_COMPRESSION_FLAC
case Kwave::Compression::FLAC:
af_compression = AF_COMPRESSION_FLAC;
break;
#endif /* HAVE_AF_COMPRESSION_FLAC */
#ifdef HAVE_AF_COMPRESSION_ALAC
case Kwave::Compression::ALAC:
af_compression = AF_COMPRESSION_ALAC;
break;
#endif /* HAVE_AF_COMPRESSION_ALAC */
default:
af_compression = AF_COMPRESSION_UNKNOWN;
break;
}
return af_compression;
}
//***************************************************************************
Kwave::Compression::Type Kwave::Compression::fromAudiofile(int af_compression)
{
Kwave::Compression::Type compression_type;
fillMap();
switch (af_compression)
{
case AF_COMPRESSION_NONE :
compression_type = Kwave::Compression::NONE;
break;
case AF_COMPRESSION_G722:
compression_type = Kwave::Compression::G722;
break;
case AF_COMPRESSION_G711_ULAW:
compression_type = Kwave::Compression::G711_ULAW;
break;
case AF_COMPRESSION_G711_ALAW:
compression_type = Kwave::Compression::G711_ALAW;
break;
case AF_COMPRESSION_APPLE_ACE2:
compression_type = Kwave::Compression::APPLE_ACE2;
break;
case AF_COMPRESSION_APPLE_ACE8:
compression_type = Kwave::Compression::APPLE_ACE8;
break;
case AF_COMPRESSION_APPLE_MAC3:
compression_type = Kwave::Compression::APPLE_MAC3;
break;
case AF_COMPRESSION_APPLE_MAC6:
compression_type = Kwave::Compression::APPLE_MAC6;
break;
case AF_COMPRESSION_G726:
compression_type = Kwave::Compression::G726;
break;
case AF_COMPRESSION_G728:
compression_type = Kwave::Compression::G728;
break;
case AF_COMPRESSION_DVI_AUDIO:
compression_type = Kwave::Compression::DVI_AUDIO;
break;
case AF_COMPRESSION_GSM:
compression_type = Kwave::Compression::GSM;
break;
case AF_COMPRESSION_FS1016:
compression_type = Kwave::Compression::FS1016;
break;
case AF_COMPRESSION_DV:
compression_type = Kwave::Compression::DV;
break;
case AF_COMPRESSION_MS_ADPCM:
compression_type = Kwave::Compression::MS_ADPCM;
break;
#ifdef HAVE_AF_COMPRESSION_FLAC
case AF_COMPRESSION_FLAC:
compression_type = Kwave::Compression::FLAC;
break;
#endif /* HAVE_AF_COMPRESSION_FLAC */
#ifdef HAVE_AF_COMPRESSION_ALAC
case AF_COMPRESSION_ALAC:
compression_type = Kwave::Compression::ALAC;
break;
#endif /* HAVE_AF_COMPRESSION_ALAC */
default:
compression_type = Kwave::Compression::NONE;
break;
}
return compression_type;
}
//***************************************************************************
//***************************************************************************
Kwave::Compression::Info::Info()
:m_name(),
m_mime_type(),
m_sample_formats(),
m_has_abr(false),
m_has_vbr(false)
{
}
//***************************************************************************
Kwave::Compression::Info::Info(const Kwave::Compression::Info &other)
:m_name(other.m_name),
m_mime_type(other.m_mime_type),
m_sample_formats(other.m_sample_formats),
m_has_abr(other.m_has_abr),
m_has_vbr(other.m_has_vbr)
{
}
//***************************************************************************
Kwave::Compression::Info::~Info()
{
}
//***************************************************************************
Kwave::Compression::Info::Info(
const KLazyLocalizedString &name,
const QString &mime_type,
const QList<Kwave::SampleFormat> &sample_formats,
bool has_abr,
bool has_vbr
)
:m_name(name),
m_mime_type(mime_type),
m_sample_formats(sample_formats),
m_has_abr(has_abr),
m_has_vbr(has_vbr)
{
}
//***************************************************************************
//***************************************************************************
|
