Re: Need help implementing an external PCM/control plugin pair

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On 02/16/2018 12:38 PM, Takashi Sakamoto wrote:
ALSA control core has a feature called as 'user-defined control element set'. This will help your work, in my opinion. For example, alsa-lib 'softvol' PCM plugin utilizes this feature to accomplishment configurable volumes by the others[1]. This feature supports metadata by TLV (Type-Length-Value) and eventing to subscribers as well.

The alsa-lib includes a test program for this feature, which I wrote[2]. This may help your work by its actual code, I think[2].

Many thanks for your prompt reply Takashi! I'll study your example code and report back, should I need further guidance.

D.
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