extern static /* OSStatus */ CMBlockBufferError CMBlockBufferCreateContiguous(
/* CFAllocatorRef */ IntPtr structureAllocator,
/* CMBlockBufferRef */ IntPtr sourceBuffer,
/* CFAllocatorRef */ IntPtr blockAllocator,
/* CMBlockBufferCustomBlockSource* */ ref CMCustomBlockAllocator.CMBlockBufferCustomBlockSource customBlockSource,
/* size_t */ nuint offsetToData,
/* size_t */ nuint dataLength,
CMBlockBufferFlags flags,
/* CMBlockBufferRef* */ out IntPtr newBlockBuffer);
extern static /* OSStatus */ CMBlockBufferError CMBlockBufferAppendMemoryBlock(
/* CMBlockBufferRef */ IntPtr buffer,
/* void * */ IntPtr memoryBlock,
/* size_t */ nuint blockLength,
/* CFAllocatorRef */ IntPtr blockAllocator,
/* CMBlockBufferCustomBlockSource */ ref CMCustomBlockAllocator.CMBlockBufferCustomBlockSource customBlockSource,
/* size_t */ nuint offsetToData,
/* size_t */ nuint dataLength,
CMBlockBufferFlags flags);
extern static /* OSStatus */ CMBlockBufferError CMBlockBufferCreateWithMemoryBlock(
/* CFAllocatorRef */ IntPtr structureAllocator,
/* void * */ IntPtr memoryBlock,
/* size_t */ nuint blockLength,
/* CFAllocatorRef */ IntPtr blockAllocator,
/* CMBlockBufferCustomBlockSource* */ ref CMCustomBlockAllocator.CMBlockBufferCustomBlockSource customBlockSource,
/* size_t */ nuint offsetToData,
/* size_t */ nuint dataLength,
CMBlockBufferFlags flags,
/* CMBlockBufferRef* */ out IntPtr newBlockBuffer);