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/*************************************************************************
OggEncoder.cpp - encoder for Ogg/Vorbis data
-------------------
begin : Tue Sep 10 2002
copyright : (C) 2002 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 <math.h>
#include <stdlib.h>
#include <new>
#include <QIODevice>
#include <QList>
#include <QSharedPointer>
#include <KLocalizedString>
#include "libkwave/FileInfo.h"
#include "libkwave/MessageBox.h"
#include "libkwave/MetaDataList.h"
#include "libkwave/MultiTrackReader.h"
#include "libkwave/Sample.h"
#include "OggCodecPlugin.h"
#include "OggEncoder.h"
#include "OggSubEncoder.h"
#include "OpusEncoder.h"
#include "VorbisEncoder.h"
/***************************************************************************/
Kwave::OggEncoder::OggEncoder()
:Kwave::Encoder(), m_comments_map()
{
#ifdef HAVE_OGG_OPUS
REGISTER_OGG_OPUS_MIME_TYPES
REGISTER_COMPRESSION_TYPE_OGG_OPUS
#endif /* HAVE_OGG_OPUS */
#ifdef HAVE_OGG_VORBIS
REGISTER_OGG_VORBIS_MIME_TYPES
REGISTER_COMPRESSION_TYPE_OGG_VORBIS
#endif /* HAVE_OGG_VORBIS */
}
/***************************************************************************/
Kwave::OggEncoder::~OggEncoder()
{
}
/***************************************************************************/
Kwave::Encoder *Kwave::OggEncoder::instance()
{
return new(std::nothrow) Kwave::OggEncoder();
}
/***************************************************************************/
QList<Kwave::FileProperty> Kwave::OggEncoder::supportedProperties()
{
return m_comments_map.values();
}
/***************************************************************************/
bool Kwave::OggEncoder::encode(QWidget *widget, Kwave::MultiTrackReader &src,
QIODevice &dst,
const Kwave::MetaDataList &meta_data)
{
const Kwave::FileInfo info(meta_data);
QSharedPointer<Kwave::OggSubEncoder> sub_encoder;
// determine which codec (sub encoder) to use,
// by examining the compression type
const Kwave::Compression::Type compression =
info.contains(Kwave::INF_COMPRESSION) ? Kwave::Compression::fromInt(
info.get(Kwave::INF_COMPRESSION).toInt()) : Kwave::Compression::NONE;
#ifdef HAVE_OGG_OPUS
if (compression == Compression::OGG_OPUS) {
qDebug(" OggEncoder: using Opus codec");
sub_encoder = QSharedPointer<Kwave::OpusEncoder>(
new(std::nothrow) Kwave::OpusEncoder()
);
}
#endif /* HAVE_OGG_OPUS */
#ifdef HAVE_OGG_VORBIS
if (compression == Compression::OGG_VORBIS) {
qDebug(" OggEncoder: using Vorbis codec");
sub_encoder = QSharedPointer<Kwave::VorbisEncoder>(
new(std::nothrow) Kwave::VorbisEncoder()
);
}
#endif /* HAVE_OGG_VORBIS */
if (sub_encoder.isNull()) {
qDebug(" OggEncoder: compression='%d'", compression);
Kwave::MessageBox::error(widget, i18nc(
"error in Ogg encoder, no support for a compression type "
"(e.g. opus, vorbis etc)",
"Error: No Codec for '%1' available",
Kwave::Compression(compression).name()
));
return false;
}
if (!sub_encoder->open(widget, info, src))
return false;
// open the output device
if (!dst.open(QIODevice::ReadWrite | QIODevice::Truncate)) {
Kwave::MessageBox::error(widget,
i18n("Unable to open the file for saving."));
return false;
}
if (!sub_encoder->writeHeader(dst))
return false;
if (!sub_encoder->encode(src, dst))
return false;
// clean up and exit.
sub_encoder->close();
// the sub encoder will be deleted automatically (QSharedPointer)
return true;
}
//***************************************************************************
//***************************************************************************
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