diff options
Diffstat (limited to 'libs/appleutility/CABufferList.h')
| -rw-r--r-- | libs/appleutility/CABufferList.h | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/libs/appleutility/CABufferList.h b/libs/appleutility/CABufferList.h index 8f69de9413..fc94769458 100644 --- a/libs/appleutility/CABufferList.h +++ b/libs/appleutility/CABufferList.h @@ -37,7 +37,7 @@ */ /*============================================================================= CABufferList.h - + =============================================================================*/ #ifndef __CABufferList_h__ @@ -59,7 +59,7 @@ extern "C" void CAShowAudioBufferList(const AudioBufferList *abl, int framesToPr This class is designed for use in non-simplistic cases. For AudioUnits, AUBufferList is preferred. - + CABufferList can be used in one of two ways: - as mutable pointers into non-owned memory - as an immutable array of buffers (owns its own memory). @@ -99,22 +99,22 @@ public: if (mBufferMemory) delete[] mBufferMemory; } - + const char * Name() { return mName; } - + const AudioBufferList & GetBufferList() const { return *(AudioBufferList *)&mNumberBuffers; } - + AudioBufferList & GetModifiableBufferList() { VerifyNotTrashingOwnedBuffer(); return _GetBufferList(); } - + UInt32 GetNumBytes() const { return mBuffers[0].mDataByteSize; } - + void SetBytes(UInt32 nBytes, void *data) { VerifyNotTrashingOwnedBuffer(); @@ -122,7 +122,7 @@ public: mBuffers[0].mDataByteSize = nBytes; mBuffers[0].mData = data; } - + void CopyAllFrom(CABufferList *srcbl, CABufferList *ptrbl) // copies bytes from srcbl // make ptrbl reflect the length copied @@ -144,7 +144,7 @@ public: if (srcbl != ptrbl) srcbl->BytesConsumed(nBytes); } - + void AppendFrom(CABufferList *blp, UInt32 nBytes) { VerifyNotTrashingOwnedBuffer(); @@ -156,7 +156,7 @@ public: } blp->BytesConsumed(nBytes); } - + void PadWithZeroes(UInt32 desiredBufferSize) // for cases where an algorithm (e.g. SRC) requires some // padding to create silence following end-of-file @@ -169,7 +169,7 @@ public: buf->mDataByteSize = desiredBufferSize; } } - + void SetToZeroes(UInt32 nBytes) { VerifyNotTrashingOwnedBuffer(); @@ -179,23 +179,23 @@ public: buf->mDataByteSize = nBytes; } } - + void Reset() { DeallocateBuffers(); } - + Boolean SameDataAs(const CABufferList* anotherBufferList) { // check to see if two buffer lists point to the same memory. if (mNumberBuffers != anotherBufferList->mNumberBuffers) return false; - + for (UInt32 i = 0; i < mNumberBuffers; ++i) { if (mBuffers[i].mData != anotherBufferList->mBuffers[i].mData) return false; } return true; } - + void BytesConsumed(UInt32 nBytes) // advance buffer pointers, decrease buffer sizes { @@ -207,18 +207,18 @@ public: buf->mDataByteSize -= nBytes; } } - + void SetFrom(const AudioBufferList *abl) { VerifyNotTrashingOwnedBuffer(); memcpy(&_GetBufferList(), abl, (char *)&abl->mBuffers[abl->mNumberBuffers] - (char *)abl); } - + void SetFrom(const CABufferList *blp) { SetFrom(&blp->GetBufferList()); } - + void SetFrom(const AudioBufferList *abl, UInt32 nBytes) { VerifyNotTrashingOwnedBuffer(); @@ -230,23 +230,23 @@ public: mybuf->mData = srcbuf->mData; } } - + void SetFrom(const CABufferList *blp, UInt32 nBytes) { SetFrom(&blp->GetBufferList(), nBytes); } - + AudioBufferList * ToAudioBufferList(AudioBufferList *abl) const { memcpy(abl, &GetBufferList(), (char *)&abl->mBuffers[mNumberBuffers] - (char *)abl); return abl; } - + void AllocateBuffers(UInt32 nBytes); void AllocateBuffersAndCopyFrom(UInt32 nBytes, CABufferList *inCopyFromList, CABufferList *inSetPtrList); - + void DeallocateBuffers(); - + void UseExternalBuffer(Byte *ptr, UInt32 nBytes); void AdvanceBufferPointers(UInt32 nBytes) @@ -261,7 +261,7 @@ public: buf->mDataByteSize -= nBytes; } } - + void SetNumBytes(UInt32 nBytes) { VerifyNotTrashingOwnedBuffer(); |