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Diffstat (limited to 'libs/appleutility/CABufferList.cpp')
| -rw-r--r-- | libs/appleutility/CABufferList.cpp | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/libs/appleutility/CABufferList.cpp b/libs/appleutility/CABufferList.cpp deleted file mode 100644 index 81298f918a..0000000000 --- a/libs/appleutility/CABufferList.cpp +++ /dev/null @@ -1,179 +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. -*/ -/*============================================================================= - CABufferList.cpp - -=============================================================================*/ - -#include "CABufferList.h" -#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__) - #include <CoreServices/CoreServices.h> -#else - #include <Endian.h> -#endif - -void CABufferList::AllocateBuffers(UInt32 nBytes) -{ - if (nBytes <= GetNumBytes()) return; - - if (mNumberBuffers > 1) - // align successive buffers for Altivec and to take alternating - // cache line hits by spacing them by odd multiples of 16 - nBytes = (nBytes + (0x10 - (nBytes & 0xF))) | 0x10; - UInt32 memorySize = nBytes * mNumberBuffers; - Byte *newMemory = new Byte[memorySize], *p = newMemory; - memset(newMemory, 0, memorySize); // get page faults now, not later - - AudioBuffer *buf = mBuffers; - for (UInt32 i = mNumberBuffers; i--; ++buf) { - if (buf->mData != NULL && buf->mDataByteSize > 0) - // preserve existing buffer contents - memcpy(p, buf->mData, buf->mDataByteSize); - buf->mDataByteSize = nBytes; - buf->mData = p; - p += nBytes; - } - Byte *oldMemory = mBufferMemory; - mBufferMemory = newMemory; - delete[] oldMemory; -} - -void CABufferList::AllocateBuffersAndCopyFrom(UInt32 nBytes, CABufferList *inSrcList, CABufferList *inSetPtrList) -{ - if (mNumberBuffers != inSrcList->mNumberBuffers) return; - if (mNumberBuffers != inSetPtrList->mNumberBuffers) return; - if (nBytes <= GetNumBytes()) { - CopyAllFrom(inSrcList, inSetPtrList); - return; - } - inSetPtrList->VerifyNotTrashingOwnedBuffer(); - UInt32 fromByteSize = inSrcList->GetNumBytes(); - - if (mNumberBuffers > 1) - // align successive buffers for Altivec and to take alternating - // cache line hits by spacing them by odd multiples of 16 - nBytes = (nBytes + (0x10 - (nBytes & 0xF))) | 0x10; - UInt32 memorySize = nBytes * mNumberBuffers; - Byte *newMemory = new Byte[memorySize], *p = newMemory; - memset(newMemory, 0, memorySize); // make buffer "hot" - - AudioBuffer *buf = mBuffers; - AudioBuffer *ptrBuf = inSetPtrList->mBuffers; - AudioBuffer *srcBuf = inSrcList->mBuffers; - for (UInt32 i = mNumberBuffers; i--; ++buf, ++ptrBuf, ++srcBuf) { - if (srcBuf->mData != NULL && srcBuf->mDataByteSize > 0) - // preserve existing buffer contents - memmove(p, srcBuf->mData, srcBuf->mDataByteSize); - buf->mDataByteSize = nBytes; - buf->mData = p; - ptrBuf->mDataByteSize = srcBuf->mDataByteSize; - ptrBuf->mData = p; - p += nBytes; - } - Byte *oldMemory = mBufferMemory; - mBufferMemory = newMemory; - if (inSrcList != inSetPtrList) - inSrcList->BytesConsumed(fromByteSize); - delete[] oldMemory; -} - -void CABufferList::DeallocateBuffers() -{ - AudioBuffer *buf = mBuffers; - for (UInt32 i = mNumberBuffers; i--; ++buf) { - buf->mData = NULL; - buf->mDataByteSize = 0; - } - if (mBufferMemory != NULL) { - delete[] mBufferMemory; - mBufferMemory = NULL; - } - -} - -extern "C" void CAShowAudioBufferList(const AudioBufferList *abl, int framesToPrint, int wordSize) -{ - printf("AudioBufferList @ %p:\n", abl); - const AudioBuffer *buf = abl->mBuffers; - for (UInt32 i = 0; i < abl->mNumberBuffers; ++i, ++buf) { - printf(" [%2ld]: %2ldch, %5ld bytes @ %8p", - i, buf->mNumberChannels, buf->mDataByteSize, buf->mData); - if (framesToPrint) { - printf(":"); - Byte *p = (Byte *)buf->mData; - for (int j = framesToPrint * buf->mNumberChannels; --j >= 0; ) - switch (wordSize) { - case 0: - printf(" %6.3f", *(Float32 *)p); - p += sizeof(Float32); - break; - case 1: - case -1: - printf(" %02X", *p); - p += 1; - break; - case 2: - printf(" %04X", EndianU16_BtoN(*(UInt16 *)p)); - p += 2; - break; - case 3: - printf(" %06X", (p[0] << 16) | (p[1] << 8) | p[2]); - p += 3; - break; - case 4: - printf(" %08lX", EndianU32_BtoN(*(UInt32 *)p)); - p += 4; - break; - case -2: - printf(" %04X", EndianU16_LtoN(*(UInt16 *)p)); - p += 2; - break; - case -3: - printf(" %06X", (p[2] << 16) | (p[1] << 8) | p[0]); - p += 3; - break; - case -4: - printf(" %08lX", EndianU32_LtoN(*(UInt32 *)p)); - p += 4; - break; - } - } - printf("\n"); - } -} - |