From e190d38057892b69246391841b234a368bc2b4ad Mon Sep 17 00:00:00 2001 From: deva Date: Tue, 1 Mar 2011 19:19:02 +0000 Subject: MAJOR rewrite of the internals. New input/output 'plugin' system. Still a lot missing. --- src/audiooutputenginesndfile.cc | 84 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 src/audiooutputenginesndfile.cc (limited to 'src/audiooutputenginesndfile.cc') diff --git a/src/audiooutputenginesndfile.cc b/src/audiooutputenginesndfile.cc new file mode 100644 index 0000000..f311180 --- /dev/null +++ b/src/audiooutputenginesndfile.cc @@ -0,0 +1,84 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * audiooutputenginesndfile.cc + * + * Tue Sep 21 09:31:30 CEST 2010 + * Copyright 2010 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo 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. + * + * DrumGizmo 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 DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "audiooutputenginesndfile.h" + +#include "drumgizmo.h" + +AudioOutputEngineSndFile::AudioOutputEngineSndFile(std::string file) +{ + filename = file; +} + +AudioOutputEngineSndFile::~AudioOutputEngineSndFile() +{ + if(fh) sf_close(fh); +} + +bool AudioOutputEngineSndFile::init(Channels *channels) +{ + this->channels = channels; + + sf_info.channels = channels->size(); + sf_info.format = SF_FORMAT_WAV | SF_FORMAT_FLOAT; + sf_info.samplerate = 44100; + + fh = sf_open(filename.c_str(), SFM_WRITE, &sf_info); + if(!fh) { + printf("Load error...\n"); + return false; + } + + channel_t c = 0; + Channels::iterator i = channels->begin(); + while(i != channels->end()) { + i->num = c; + i++; + c++; + } + + return true; +} + +void AudioOutputEngineSndFile::run(DrumGizmo *gizmo) +{ + sample_t s[channels->size()]; + + while(gizmo->isRunning()) { + + gizmo->pre(1); + Channels::iterator i = channels->begin(); + while(i != channels->end()) { + s[i->num] = 0.0; + gizmo->getSamples(&(*i), &(s[i->num]), 1); + i++; + } + + gizmo->post(1); + + sf_writef_float(fh, s, 1); + } +} -- cgit v1.2.3