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Diffstat (limited to 'libs/appleutility/AUOutputBL.h')
-rw-r--r-- | libs/appleutility/AUOutputBL.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/libs/appleutility/AUOutputBL.h b/libs/appleutility/AUOutputBL.h deleted file mode 100644 index b80588abac..0000000000 --- a/libs/appleutility/AUOutputBL.h +++ /dev/null @@ -1,115 +0,0 @@ -/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved. - - Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. - ("Apple") in consideration of your agreement to the following terms, and your - use, installation, modification or redistribution of this Apple software - constitutes acceptance of these terms. If you do not agree with these terms, - please do not use, install, modify or redistribute this Apple software. - - In consideration of your agreement to abide by the following terms, and subject - to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs - copyrights in this original Apple software (the "Apple Software"), to use, - reproduce, modify and redistribute the Apple Software, with or without - modifications, in source and/or binary forms; provided that if you redistribute - the Apple Software in its entirety and without modifications, you must retain - this notice and the following text and disclaimers in all such redistributions of - the Apple Software. Neither the name, trademarks, service marks or logos of - Apple Computer, Inc. may be used to endorse or promote products derived from the - Apple Software without specific prior written permission from Apple. Except as - expressly stated in this notice, no other rights or licenses, express or implied, - are granted by Apple herein, including but not limited to any patent rights that - may be infringed by your derivative works or by other works in which the Apple - Software may be incorporated. - - The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO - WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED - WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR - PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN - COMBINATION WITH YOUR PRODUCTS. - - IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION - OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT - (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN - ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -/*============================================================================= - AUOutputBL.h - -=============================================================================*/ - -#ifndef __AUOutputBL_h__ -#define __AUOutputBL_h__ - -#include "CAStreamBasicDescription.h" -#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__) - #include <CoreServices/CoreServices.h> -#else - #include <AssertMacros.h> -#endif - -// ____________________________________________________________________________ -// -// AUOutputBL - Simple Buffer List wrapper targetted to use with retrieving AU output -// Works in one of two ways (both adjustable)... Can use it with NULL pointers, or allocate -// memory to receive the data in. - -// Before using this with any call to AudioUnitRender, it needs to be Prepared -// as some calls to AudioUnitRender can reset the ABL - -class AUOutputBL { -public: - - // you CANNOT use one of these - it will crash! -// AUOutputBL (); - - // this is the constructor that you use - // it can't be reset once you've constructed it - AUOutputBL (const CAStreamBasicDescription &inDesc, UInt32 inDefaultNumFrames = 512); - ~AUOutputBL(); - - void Prepare () - { - Prepare (mFrames); - } - - // this version can throw if this is an allocted ABL and inNumFrames is > AllocatedFrames() - // you can set the bool to true if you want a NULL buffer list even if allocated - // inNumFrames must be a valid number (will throw if inNumFrames is 0) - void Prepare (UInt32 inNumFrames, bool inWantNullBufferIfAllocated = false); - - AudioBufferList* ABL() { return mBufferList; } - - // You only need to call this if you want to allocate a buffer list - // if you want an empty buffer list, just call Prepare() - // if you want to dispose previously allocted memory, pass in 0 - // then you either have an empty buffer list, or you can re-allocate - // Memory is kept around if an Allocation request is less than what is currently allocated - void Allocate (UInt32 inNumberFrames); - - UInt32 AllocatedFrames() const { return mFrames; } - - const CAStreamBasicDescription& GetFormat() const { return mFormat; } - -#if DEBUG - void Print(); -#endif - -private: - UInt32 AllocatedBytes () const { return (mBufferSize * mNumberBuffers); } - - CAStreamBasicDescription mFormat; - Byte* mBufferMemory; - AudioBufferList* mBufferList; - UInt32 mNumberBuffers; - UInt32 mBufferSize; - UInt32 mFrames; - -// don't want to copy these.. can if you want, but more code to write! - AUOutputBL (const AUOutputBL &c) {} - AUOutputBL& operator= (const AUOutputBL& c) { return *this; } -}; - -#endif // __AUOutputBL_h__ |