diff options
Diffstat (limited to 'intern/audaspace/FX/AUD_FaderReader.cpp')
-rw-r--r-- | intern/audaspace/FX/AUD_FaderReader.cpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/intern/audaspace/FX/AUD_FaderReader.cpp b/intern/audaspace/FX/AUD_FaderReader.cpp deleted file mode 100644 index ea530649632..00000000000 --- a/intern/audaspace/FX/AUD_FaderReader.cpp +++ /dev/null @@ -1,82 +0,0 @@ -/* - * 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. - */ - -/** \file audaspace/FX/AUD_FaderReader.cpp - * \ingroup audfx - */ - - -#include "AUD_FaderReader.h" - -#include <cstring> - -AUD_FaderReader::AUD_FaderReader(boost::shared_ptr<AUD_IReader> reader, AUD_FadeType type, - float start,float length) : - AUD_EffectReader(reader), - m_type(type), - m_start(start), - m_length(length) -{ -} - -void AUD_FaderReader::read(int& length, bool& eos, sample_t* buffer) -{ - int position = m_reader->getPosition(); - AUD_Specs specs = m_reader->getSpecs(); - int samplesize = AUD_SAMPLE_SIZE(specs); - - m_reader->read(length, eos, buffer); - - if((position + length) / (float)specs.rate <= m_start) - { - if(m_type != AUD_FADE_OUT) - { - memset(buffer, 0, length * samplesize); - } - } - else if(position / (float)specs.rate >= m_start+m_length) - { - if(m_type == AUD_FADE_OUT) - { - memset(buffer, 0, length * samplesize); - } - } - else - { - float volume = 1.0f; - - for(int i = 0; i < length * specs.channels; i++) - { - if(i % specs.channels == 0) - { - volume = (((position+i)/(float)specs.rate)-m_start) / m_length; - if(volume > 1.0f) - volume = 1.0f; - else if(volume < 0.0f) - volume = 0.0f; - - if(m_type == AUD_FADE_OUT) - volume = 1.0f - volume; - } - - buffer[i] = buffer[i] * volume; - } - } -} |