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tderadio/tderadio3/plugins/recording/encoder_pcm.cpp

79 lines
2.5 KiB

/***************************************************************************
encoder_pcm.cpp
-------------------
begin : Sat Aug 20 2005
copyright : (C) 2005 by Martin Witte
email : witte@kawo1.rwth-aachen.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 "encoder_pcm.h"
#include <klocale.h>
RecordingEncodingPCM::RecordingEncodingPCM(TQObject *parent, SoundStreamID ssid,
const RecordingConfig &cfg, const RadioStation *rs,
const TQString &filename)
: RecordingEncoding(parent, ssid, cfg, rs, filename),
m_output(NULL)
{
m_config.m_SoundFormat.m_Encoding = "raw";
openOutput(filename);
}
RecordingEncodingPCM::~RecordingEncodingPCM()
{
closeOutput();
}
void RecordingEncodingPCM::encode(const char *buffer, size_t buffer_size, char *&export_buffer, size_t &export_buffer_size)
{
if (m_error)
return;
m_encodedSize += buffer_size;
export_buffer = const_cast<char*>(buffer);
export_buffer_size = buffer_size;
int err = sf_write_raw(m_output, const_cast<char*>(buffer), buffer_size);
if (err != (int)buffer_size) {
m_error = true;
m_errorString += i18n("Error %1 writing output. ").arg(TQString().setNum(err));
}
}
bool RecordingEncodingPCM::openOutput(const TQString &output)
{
SF_INFO sinfo;
m_config.getSoundFileInfo(sinfo, false);
m_output = sf_open(output.ascii(), SFM_WRITE, &sinfo);
if (!m_output) {
m_error = true;
m_errorString += i18n("Cannot open output file %1. ").arg(output);
}
return !m_error;
}
void RecordingEncodingPCM::closeOutput()
{
if (m_output) sf_close (m_output);
m_output = NULL;
}