forked from bartvdbraak/blender
140 lines
3.2 KiB
C++
140 lines
3.2 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* Copyright 2009-2011 Jörg Hermann Müller
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*
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* This file is part of AudaSpace.
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*
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* Audaspace is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* AudaSpace is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Audaspace; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file audaspace/sndfile/AUD_SndFileWriter.cpp
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* \ingroup audsndfile
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*/
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#include "AUD_SndFileWriter.h"
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#include <cstring>
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static const char* fileopen_error = "AUD_SndFileWriter: File couldn't be written.";
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static const char* format_error = "AUD_SndFileWriter: Unsupported format.";
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AUD_SndFileWriter::AUD_SndFileWriter(std::string filename, AUD_DeviceSpecs specs,
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AUD_Container format, AUD_Codec codec, unsigned int bitrate) :
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m_specs(specs)
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{
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SF_INFO sfinfo;
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sfinfo.channels = specs.channels;
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sfinfo.samplerate = int(specs.rate);
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switch(format)
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{
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case AUD_CONTAINER_FLAC:
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sfinfo.format = SF_FORMAT_FLAC;
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switch(specs.format)
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{
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case AUD_FORMAT_S16:
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sfinfo.format |= SF_FORMAT_PCM_16;
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break;
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case AUD_FORMAT_S24:
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sfinfo.format |= SF_FORMAT_PCM_24;
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break;
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case AUD_FORMAT_S32:
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sfinfo.format |= SF_FORMAT_PCM_32;
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break;
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case AUD_FORMAT_FLOAT32:
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sfinfo.format |= SF_FORMAT_FLOAT;
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break;
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case AUD_FORMAT_FLOAT64:
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sfinfo.format |= SF_FORMAT_DOUBLE;
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break;
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default:
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sfinfo.format = 0;
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break;
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}
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break;
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case AUD_CONTAINER_OGG:
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if(codec == AUD_CODEC_VORBIS)
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sfinfo.format = SF_FORMAT_OGG | SF_FORMAT_VORBIS;
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else
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sfinfo.format = 0;
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break;
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case AUD_CONTAINER_WAV:
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sfinfo.format = SF_FORMAT_WAV;
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switch(specs.format)
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{
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case AUD_FORMAT_U8:
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sfinfo.format |= SF_FORMAT_PCM_U8;
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break;
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case AUD_FORMAT_S16:
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sfinfo.format |= SF_FORMAT_PCM_16;
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break;
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case AUD_FORMAT_S24:
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sfinfo.format |= SF_FORMAT_PCM_24;
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break;
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case AUD_FORMAT_S32:
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sfinfo.format |= SF_FORMAT_PCM_32;
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break;
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case AUD_FORMAT_FLOAT32:
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sfinfo.format |= SF_FORMAT_FLOAT;
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break;
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case AUD_FORMAT_FLOAT64:
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sfinfo.format |= SF_FORMAT_DOUBLE;
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break;
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default:
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sfinfo.format = 0;
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break;
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}
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break;
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default:
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sfinfo.format = 0;
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break;
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}
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if(sfinfo.format == 0)
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AUD_THROW(AUD_ERROR_SPECS, format_error);
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m_sndfile = sf_open(filename.c_str(), SFM_WRITE, &sfinfo);
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if(!m_sndfile)
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AUD_THROW(AUD_ERROR_FILE, fileopen_error);
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}
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AUD_SndFileWriter::~AUD_SndFileWriter()
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{
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sf_close(m_sndfile);
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}
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int AUD_SndFileWriter::getPosition() const
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{
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return m_position;
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}
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AUD_DeviceSpecs AUD_SndFileWriter::getSpecs() const
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{
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return m_specs;
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}
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void AUD_SndFileWriter::write(unsigned int length, sample_t* buffer)
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{
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length = sf_writef_float(m_sndfile, buffer, length);
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m_position += length;
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}
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