Err ssplUnrequestBuffer (SoundSpooler *sspl, SoundBufferNode *sbn)
ssplUnrequestBuffer() puts an unused SoundBufferNode from the requested queue back into the free queue. Use it as a way to politely give up write access to a SoundBufferNode that was given to you by ssplRequestBuffer() that you aren't going to submit to ssplSendBuffer(). For example, This can be used as part of a clean up path that traps failures between ssplRequestBuffer() and ssplSendBuffer().
This is automatically done for all SoundBufferNodes in the requested list by ssplReset(), ssplAbort(), and ssplDeleteSoundSpooler().
ssplRequestBuffer(), ssplSendBuffer()