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/*
SPDX-FileCopyrightText: 1998-2008 Sebastian Trueg <trueg@k3b.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef _K3B_MAD_DECODER_H_
#define _K3B_MAD_DECODER_H_
#include "k3baudiodecoder.h"
extern "C" {
#include <mad.h>
}
class K3bMadDecoderFactory : public K3b::AudioDecoderFactory
{
Q_OBJECT
public:
explicit K3bMadDecoderFactory( QObject* parent = 0, const QVariantList& args = QVariantList() );
~K3bMadDecoderFactory() override;
bool canDecode( const QUrl& filename ) override;
int pluginSystemVersion() const override { return K3B_PLUGIN_SYSTEM_VERSION; }
K3b::AudioDecoder* createDecoder( QObject* parent = 0 ) const override;
};
class K3bMadDecoder : public K3b::AudioDecoder
{
Q_OBJECT
public:
explicit K3bMadDecoder( QObject* parent = 0 );
~K3bMadDecoder() override;
QString metaInfo( MetaDataField ) override;
void cleanup() override;
bool seekInternal( const K3b::Msf& ) override;
QString fileType() const override;
QStringList supportedTechnicalInfos() const override;
QString technicalInfo( const QString& ) const override;
protected:
bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch ) override;
bool initDecoderInternal() override;
int decodeInternal( char* _data, int maxLen ) override;
private:
unsigned long countFrames();
inline unsigned short linearRound( mad_fixed_t fixed );
bool createPcmSamples( mad_synth* );
static int MaxAllowedRecoverableErrors;
class MadDecoderPrivate;
MadDecoderPrivate* d;
};
#endif
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