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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* Copyright 2009-2011 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* Audaspace 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.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Audaspace; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file audaspace/sndfile/AUD_SndFileWriter.cpp
* \ingroup audsndfile
*/
#include "AUD_SndFileWriter.h"
#include <cstring>
static const char* fileopen_error = "AUD_SndFileWriter: File couldn't be written.";
static const char* format_error = "AUD_SndFileWriter: Unsupported format.";
AUD_SndFileWriter::AUD_SndFileWriter(std::string filename, AUD_DeviceSpecs specs,
AUD_Container format, AUD_Codec codec, unsigned int bitrate) :
m_specs(specs)
{
SF_INFO sfinfo;
sfinfo.channels = specs.channels;
sfinfo.samplerate = int(specs.rate);
switch(format)
{
case AUD_CONTAINER_FLAC:
sfinfo.format = SF_FORMAT_FLAC;
switch(specs.format)
{
case AUD_FORMAT_S16:
sfinfo.format |= SF_FORMAT_PCM_16;
break;
case AUD_FORMAT_S24:
sfinfo.format |= SF_FORMAT_PCM_24;
break;
case AUD_FORMAT_S32:
sfinfo.format |= SF_FORMAT_PCM_32;
break;
case AUD_FORMAT_FLOAT32:
sfinfo.format |= SF_FORMAT_FLOAT;
break;
case AUD_FORMAT_FLOAT64:
sfinfo.format |= SF_FORMAT_DOUBLE;
break;
default:
sfinfo.format = 0;
break;
}
break;
case AUD_CONTAINER_OGG:
if(codec == AUD_CODEC_VORBIS)
sfinfo.format = SF_FORMAT_OGG | SF_FORMAT_VORBIS;
else
sfinfo.format = 0;
break;
case AUD_CONTAINER_WAV:
sfinfo.format = SF_FORMAT_WAV;
switch(specs.format)
{
case AUD_FORMAT_U8:
sfinfo.format |= SF_FORMAT_PCM_U8;
break;
case AUD_FORMAT_S16:
sfinfo.format |= SF_FORMAT_PCM_16;
break;
case AUD_FORMAT_S24:
sfinfo.format |= SF_FORMAT_PCM_24;
break;
case AUD_FORMAT_S32:
sfinfo.format |= SF_FORMAT_PCM_32;
break;
case AUD_FORMAT_FLOAT32:
sfinfo.format |= SF_FORMAT_FLOAT;
break;
case AUD_FORMAT_FLOAT64:
sfinfo.format |= SF_FORMAT_DOUBLE;
break;
default:
sfinfo.format = 0;
break;
}
break;
default:
sfinfo.format = 0;
break;
}
if(sfinfo.format == 0)
AUD_THROW(AUD_ERROR_SPECS, format_error);
m_sndfile = sf_open(filename.c_str(), SFM_WRITE, &sfinfo);
if(!m_sndfile)
AUD_THROW(AUD_ERROR_FILE, fileopen_error);
}
AUD_SndFileWriter::~AUD_SndFileWriter()
{
sf_close(m_sndfile);
}
int AUD_SndFileWriter::getPosition() const
{
return m_position;
}
AUD_DeviceSpecs AUD_SndFileWriter::getSpecs() const
{
return m_specs;
}
void AUD_SndFileWriter::write(unsigned int length, sample_t* buffer)
{
length = sf_writef_float(m_sndfile, buffer, length);
m_position += length;
}
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