diff options
Diffstat (limited to 'libs/appleutility/CoreAudio/PublicUtility/AUOutputBL.cpp')
| -rw-r--r-- | libs/appleutility/CoreAudio/PublicUtility/AUOutputBL.cpp | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/libs/appleutility/CoreAudio/PublicUtility/AUOutputBL.cpp b/libs/appleutility/CoreAudio/PublicUtility/AUOutputBL.cpp index c2c8468bd9..8a76b8b5d0 100644 --- a/libs/appleutility/CoreAudio/PublicUtility/AUOutputBL.cpp +++ b/libs/appleutility/CoreAudio/PublicUtility/AUOutputBL.cpp @@ -2,14 +2,14 @@ File: AUOutputBL.cpp Abstract: AUOutputBL.h Version: 1.1 - + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple 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 Apple's copyrights in this original Apple software (the @@ -25,13 +25,13 @@ 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 @@ -40,9 +40,9 @@ 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. - + Copyright (C) 2014 Apple Inc. All Rights Reserved. - + */ #include "AUOutputBL.h" #if !defined(__COREAUDIO_USE_FLAT_INCLUDES__) @@ -64,7 +64,7 @@ struct AudioBuffer }; */ -AUOutputBL::AUOutputBL (const CAStreamBasicDescription &inDesc, UInt32 inDefaultNumFrames) +AUOutputBL::AUOutputBL (const CAStreamBasicDescription &inDesc, UInt32 inDefaultNumFrames) : mFormat (inDesc), mBufferMemory(NULL), mBufferList (NULL), @@ -85,10 +85,10 @@ AUOutputBL::~AUOutputBL() delete [] (Byte *)mBufferList; } -void AUOutputBL::Prepare (UInt32 inNumFrames, bool inWantNullBufferIfAllocated) +void AUOutputBL::Prepare (UInt32 inNumFrames, bool inWantNullBufferIfAllocated) { UInt32 channelsPerBuffer = mFormat.IsInterleaved() ? mFormat.NumberChannels() : 1; - + if (mBufferMemory == NULL || inWantNullBufferIfAllocated) { mBufferList->mNumberBuffers = mNumberBuffers; @@ -104,7 +104,7 @@ void AUOutputBL::Prepare (UInt32 inNumFrames, bool inWantNullBufferIfAllocated) UInt32 nBytes = mFormat.FramesToBytes (inNumFrames); if ((nBytes * mNumberBuffers) > AllocatedBytes()) throw OSStatus(kAudioUnitErr_TooManyFramesToProcess); - + mBufferList->mNumberBuffers = mNumberBuffers; AudioBuffer *buf = &mBufferList->mBuffers[0]; Byte* p = mBufferMemory; @@ -120,31 +120,31 @@ void AUOutputBL::Prepare (UInt32 inNumFrames, bool inWantNullBufferIfAllocated) void AUOutputBL::Allocate (UInt32 inNumFrames) { - if (inNumFrames) + if (inNumFrames) { UInt32 nBytes = mFormat.FramesToBytes (inNumFrames); - - if (nBytes <= AllocatedBytes()) + + if (nBytes <= AllocatedBytes()) return; - + // align successive buffers for Altivec and to take alternating // cache line hits by spacing them by odd multiples of 16 if (mNumberBuffers > 1) nBytes = (nBytes + (0x10 - (nBytes & 0xF))) | 0x10; - + mBufferSize = nBytes; - + UInt32 memorySize = mBufferSize * mNumberBuffers; Byte *newMemory = new Byte[memorySize]; memset(newMemory, 0, memorySize); // make buffer "hot" - + Byte *oldMemory = mBufferMemory; mBufferMemory = newMemory; delete[] oldMemory; - + mFrames = inNumFrames; - } - else + } + else { if (mBufferMemory) { delete [] mBufferMemory; |