Correct details of how hwopus Ex params are passed over IPC
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== OpenHardwareOpusDecoderEx ==
== OpenHardwareOpusDecoderEx ==
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Takes a type-0x19 input buffer, an u32 '''WorkBufferSize''' and a TransferMemory handle for '''WorkBuffer'''. Returns an [[#IHardwareOpusDecoder]] object. The TransferMemory is created by the user-process with permissions=0.
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Takes a struct [[#OpusParametersEx]] and a u32 '''WorkBufferSize''' and a TransferMemory handle for '''WorkBuffer'''. Returns an [[#IHardwareOpusDecoder]] object. The TransferMemory is created by the user-process with permissions=0.
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The input buffer is a [[#OpusParametersEx]] struct. When ''UseLargeFrameSize'' is 1 a larger output buffer that can store 120ms opus frames is used vs the default of 40ms.
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When ''UseLargeFrameSize'' in the parameter struct is 1 a larger output buffer that can store 120ms opus frames is used vs the default of 40ms.
== GetWorkBufferSizeEx ==
== GetWorkBufferSizeEx ==
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Takes a type-0x19 input buffer. Returns the u32 required size for the decoder's work buffer. Official user-processes align the output size to page-alignment.
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Takes a struct [[#OpusParametersEx]]. Returns the u32 required size for the decoder's work buffer. Official user-processes align the output size to page-alignment.
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The input buffer is a [[#OpusParametersEx]] struct.