public static CMBlockBuffer CreateContiguous(CMBlockBuffer sourceBuffer, CMCustomBlockAllocator customBlockSource, nuint offsetToData, nuint dataLength, CMBlockBufferFlags flags, out CMBlockBufferError error)
{
if (sourceBuffer == null)
{
throw new ArgumentNullException("sourceBuffer");
}
IntPtr buffer;
if (customBlockSource == null)
{
error = CMBlockBufferCreateContiguous(IntPtr.Zero, sourceBuffer.handle, IntPtr.Zero, IntPtr.Zero, offsetToData, dataLength, flags, out buffer);
}
else
{
error = CMBlockBufferCreateContiguous(IntPtr.Zero, sourceBuffer.handle, IntPtr.Zero, ref customBlockSource.Cblock, offsetToData, dataLength, flags, out buffer);
}
if (error != CMBlockBufferError.None)
{
return(null);
}
var block = new CMBlockBuffer(buffer, true);
block.customAllocator = customBlockSource;
return(block);
}
public CMBlockBufferError AppendMemoryBlock(IntPtr memoryBlock, nuint blockLength, CMCustomBlockAllocator customBlockSource, nuint offsetToData, nuint dataLength, CMBlockBufferFlags flags)
{
if (Handle == IntPtr.Zero)
{
throw new ObjectDisposedException("BlockBuffer");
}
var blockAllocator = memoryBlock == IntPtr.Zero ? IntPtr.Zero : CFAllocator.Null.Handle;
if (customBlockSource == null)
{
return(CMBlockBufferAppendMemoryBlock(Handle, memoryBlock, blockLength, blockAllocator, IntPtr.Zero, offsetToData, dataLength, flags));
}
else
{
return(CMBlockBufferAppendMemoryBlock(Handle, memoryBlock, blockLength, blockAllocator, ref customBlockSource.Cblock, offsetToData, dataLength, flags));
}
}
static extern 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);
public static CMBlockBuffer FromMemoryBlock(IntPtr memoryBlock, nuint blockLength, CMCustomBlockAllocator customBlockSource, nuint offsetToData, nuint dataLength, CMBlockBufferFlags flags, out CMBlockBufferError error)
{
var blockAllocator = memoryBlock == IntPtr.Zero ? IntPtr.Zero : CFAllocator.Null.Handle;
IntPtr buffer;
if (customBlockSource == null)
{
error = CMBlockBufferCreateWithMemoryBlock(IntPtr.Zero, memoryBlock, blockLength, blockAllocator, IntPtr.Zero, offsetToData, dataLength, flags, out buffer);
}
else
{
error = CMBlockBufferCreateWithMemoryBlock(IntPtr.Zero, memoryBlock, blockLength, blockAllocator, ref customBlockSource.Cblock, offsetToData, dataLength, flags, out buffer);
}
if (error != CMBlockBufferError.None)
{
return(null);
}
var block = new CMBlockBuffer(buffer, true);
block.customAllocator = customBlockSource;
return(block);
}
static extern 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);
static extern 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);
public CMBlockBufferError AppendMemoryBlock(IntPtr memoryBlock, nuint blockLength, CMCustomBlockAllocator customBlockSource, nuint offsetToData, nuint dataLength, CMBlockBufferFlags flags)
{
if (Handle == IntPtr.Zero)
throw new ObjectDisposedException ("BlockBuffer");
var blockAllocator = memoryBlock == IntPtr.Zero ? IntPtr.Zero : CFAllocator.Null.Handle;
if (customBlockSource == null)
return CMBlockBufferAppendMemoryBlock (Handle, memoryBlock, blockLength, blockAllocator, IntPtr.Zero, offsetToData, dataLength, flags);
else
return CMBlockBufferAppendMemoryBlock (Handle, memoryBlock, blockLength, blockAllocator, ref customBlockSource.Cblock, offsetToData, dataLength, flags);
}
public static CMBlockBuffer FromMemoryBlock(IntPtr memoryBlock, nuint blockLength, CMCustomBlockAllocator customBlockSource, nuint offsetToData, nuint dataLength, CMBlockBufferFlags flags, out CMBlockBufferError error)
{
var blockAllocator = memoryBlock == IntPtr.Zero ? IntPtr.Zero : CFAllocator.Null.Handle;
IntPtr buffer;
if (customBlockSource == null)
error = CMBlockBufferCreateWithMemoryBlock (IntPtr.Zero, memoryBlock, blockLength, blockAllocator, IntPtr.Zero, offsetToData, dataLength, flags, out buffer);
else
error = CMBlockBufferCreateWithMemoryBlock (IntPtr.Zero, memoryBlock, blockLength, blockAllocator, ref customBlockSource.Cblock, offsetToData, dataLength, flags, out buffer);
if (error != CMBlockBufferError.None)
return null;
var block = new CMBlockBuffer (buffer, true);
block.customAllocator = customBlockSource;
return block;
}
public static CMBlockBuffer CreateContiguous(CMBlockBuffer sourceBuffer, CMCustomBlockAllocator customBlockSource, nuint offsetToData, nuint dataLength, CMBlockBufferFlags flags, out CMBlockBufferError error)
{
if (sourceBuffer == null)
throw new ArgumentNullException ("sourceBuffer");
IntPtr buffer;
if (customBlockSource == null)
error = CMBlockBufferCreateContiguous (IntPtr.Zero, sourceBuffer.handle, IntPtr.Zero, IntPtr.Zero, offsetToData, dataLength, flags, out buffer);
else
error = CMBlockBufferCreateContiguous (IntPtr.Zero, sourceBuffer.handle, IntPtr.Zero, ref customBlockSource.Cblock, offsetToData, dataLength, flags, out buffer);
if (error != CMBlockBufferError.None)
return null;
var block = new CMBlockBuffer (buffer, true);
block.customAllocator = customBlockSource;
return block;
}
