diff options
Diffstat (limited to 'libs/appleutility/AUOutputBL.cpp')
| -rw-r--r-- | libs/appleutility/AUOutputBL.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/libs/appleutility/AUOutputBL.cpp b/libs/appleutility/AUOutputBL.cpp index 026989afc4..3e6444855a 100644 --- a/libs/appleutility/AUOutputBL.cpp +++ b/libs/appleutility/AUOutputBL.cpp @@ -37,7 +37,7 @@ */ /*============================================================================= AUOutputBL.h - + =============================================================================*/ #include "AUOutputBL.h" @@ -79,7 +79,7 @@ AUOutputBL::~AUOutputBL() void AUOutputBL::Prepare (UInt32 inNumFrames, bool inWantNullBufferIfAllocated) { UInt32 channelsPerBuffer = mFormat.IsInterleaved() ? mFormat.NumberChannels() : 1; - + if (mBufferMemory == NULL || inWantNullBufferIfAllocated) { mBufferList->mNumberBuffers = mNumberBuffers; @@ -95,7 +95,7 @@ void AUOutputBL::Prepare (UInt32 inNumFrames, bool inWantNullBufferIfAllocated) UInt32 nBytes = mFormat.FramesToBytes (inNumFrames); if ((nBytes * mNumberBuffers) > AllocatedBytes()) throw OSStatus(-10874);//(kAudioUnitErr_TooManyFramesToProcess); - + mBufferList->mNumberBuffers = mNumberBuffers; AudioBuffer *buf = &mBufferList->mBuffers[0]; Byte* p = mBufferMemory; @@ -114,25 +114,25 @@ void AUOutputBL::Allocate (UInt32 inNumFrames) if (inNumFrames) { UInt32 nBytes = mFormat.FramesToBytes (inNumFrames); - + 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 |