Blender  V2.59
AUD_ReadDevice.cpp
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00001 /*
00002  * $Id: AUD_ReadDevice.cpp 35141 2011-02-25 10:21:56Z jesterking $
00003  *
00004  * ***** BEGIN GPL LICENSE BLOCK *****
00005  *
00006  * Copyright 2009-2011 Jörg Hermann Müller
00007  *
00008  * This file is part of AudaSpace.
00009  *
00010  * Audaspace is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2 of the License, or
00013  * (at your option) any later version.
00014  *
00015  * AudaSpace is distributed in the hope that it will be useful,
00016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  * GNU General Public License for more details.
00019  *
00020  * You should have received a copy of the GNU General Public License
00021  * along with Audaspace; if not, write to the Free Software Foundation,
00022  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00023  *
00024  * ***** END GPL LICENSE BLOCK *****
00025  */
00026 
00032 #include "AUD_DefaultMixer.h"
00033 #include "AUD_ReadDevice.h"
00034 #include "AUD_IReader.h"
00035 
00036 #include <cstring>
00037 
00038 AUD_ReadDevice::AUD_ReadDevice(AUD_DeviceSpecs specs) :
00039         m_playing(false)
00040 {
00041         m_specs = specs;
00042 
00043         create();
00044 }
00045 
00046 AUD_ReadDevice::~AUD_ReadDevice()
00047 {
00048         destroy();
00049 }
00050 
00051 bool AUD_ReadDevice::read(data_t* buffer, int length)
00052 {
00053         if(m_playing)
00054                 mix(buffer, length);
00055         else
00056                 if(m_specs.format == AUD_FORMAT_U8)
00057                         memset(buffer, 0x80, length * AUD_DEVICE_SAMPLE_SIZE(m_specs));
00058                 else
00059                         memset(buffer, 0, length * AUD_DEVICE_SAMPLE_SIZE(m_specs));
00060         return m_playing;
00061 }
00062 
00063 void AUD_ReadDevice::playing(bool playing)
00064 {
00065         m_playing = playing;
00066 }