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/*************************************************************************
CodecPlugin.cpp - base class for codec plugins
-------------------
begin : Fri Dec 28 2012
copyright : (C) 2012 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 "libkwave/CodecManager.h"
#include "libkwave/CodecPlugin.h"
#include "libkwave/Decoder.h"
#include "libkwave/Encoder.h"
/***************************************************************************/
Kwave::CodecPlugin::CodecPlugin(QObject *parent,
const QVariantList &args,
Codec &codec)
:Kwave::Plugin(parent, args), m_codec(codec)
{
}
/***************************************************************************/
Kwave::CodecPlugin::~CodecPlugin()
{
}
/***************************************************************************/
void Kwave::CodecPlugin::load(QStringList &/* params */)
{
use();
m_codec.m_use_count++;
if (m_codec.m_use_count == 1)
{
m_codec.m_encoder = createEncoder();
if (!m_codec.m_encoder.isEmpty()) {
foreach (Kwave::Encoder *enc, m_codec.m_encoder)
if (enc) Kwave::CodecManager::registerEncoder(*enc);
}
m_codec.m_decoder = createDecoder();
if (!m_codec.m_decoder.isEmpty()) {
foreach (Kwave::Decoder *dec, m_codec.m_decoder)
Kwave::CodecManager::registerDecoder(*dec);
}
}
}
/***************************************************************************/
void Kwave::CodecPlugin::unload()
{
m_codec.m_use_count--;
if (m_codec.m_use_count < 1)
{
while (!m_codec.m_decoder.isEmpty()) {
Kwave::Decoder *dec = m_codec.m_decoder.takeLast();
Kwave::CodecManager::unregisterDecoder(dec);
delete dec;
}
while (!m_codec.m_encoder.isEmpty()) {
Kwave::Encoder *enc = m_codec.m_encoder.takeLast();
Kwave::CodecManager::unregisterEncoder(enc);
delete enc;
}
}
release();
}
/***************************************************************************/
/***************************************************************************/
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