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wrappers: always hand the effect zero-filled channels (never null) #142

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wrappers: always hand the effect zero-filled channels (never null) #142

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11 changes: 10 additions & 1 deletion include/avnd/wrappers/process/base.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,16 @@
#include <type_traits>
#include <utility>
#include <vector>
// #define AVND_ENABLE_SAFE_BUFFER_STORAGE 1

// The effect must always receive valid, zero-filled channel buffers. When a host
// supplies fewer channels than the object declares (e.g. an unconnected input),
// the missing channels must point at silent scratch buffers -- otherwise the
// effect dereferences a null channel pointer and crashes. This is a core
// invariant, so it is on by default; define AVND_ENABLE_SAFE_BUFFER_STORAGE=0
// before including to opt out.
#ifndef AVND_ENABLE_SAFE_BUFFER_STORAGE
#define AVND_ENABLE_SAFE_BUFFER_STORAGE 1
#endif
namespace avnd
{

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