00001 /* 00002 Copyright (c) 2009, The Barbarian Group 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00006 the following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00009 the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00011 the following disclaimer in the documentation and/or other materials provided with the distribution. 00012 00013 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00014 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00015 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00016 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00017 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00018 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00019 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00020 POSSIBILITY OF SUCH DAMAGE. 00021 */ 00022 00023 #pragma once 00024 00025 #include "cinder/Cinder.h" 00026 00027 namespace cinder { namespace audio { 00028 00029 template<typename T> 00030 struct BufferT { 00031 uint32_t mNumberChannels; 00032 uint32_t mDataByteSize; 00033 T * mData; 00034 }; 00035 00036 typedef BufferT<void> Buffer; //used for internally handing around data, TODO: rename to something other than Buffer 00037 typedef BufferT<uint8_t> Buffer8u; 00038 typedef BufferT<int8_t> Buffer8i; 00039 typedef BufferT<uint16_t> Buffer16u; 00040 typedef BufferT<int16_t> Buffer16i; 00041 typedef BufferT<int32_t> Buffer32i; 00042 typedef BufferT<uint32_t> Buffer32u; 00043 typedef BufferT<float> Buffer32f; 00044 00045 struct BufferList { 00046 uint32_t mNumberBuffers; 00047 Buffer * mBuffers; 00048 }; 00049 00050 inline void silenceBuffers( BufferList * aBufferList ) 00051 { 00052 for( uint32_t i = 0; i < aBufferList->mNumberBuffers; i++ ) { 00053 memset( aBufferList->mBuffers[i].mData, 0, aBufferList->mBuffers[i].mDataByteSize ); 00054 } 00055 } 00056 00057 00058 }} //namespace