AILEVENTCB

The function AILEVENTCB specifies a user-defined XMIDI event callback.

S32 AILCALLBACK AILEVENTCB(
  HSEQUENCE sequence,
  HMDIDRIVER mdi,
  S32 status,
  S32 data_1,
  S32 data_2
);

In Parameters

sequence

indicates the sequence handle that generated the callback.

mdi

indicates the driver that generated the callback.

status

indicates the MIDI Channel Voice message status which is about to be processed.

data_1

indicates the MIDI Channel Voice message first data byte which is about to be processed.

data_2

indicates the MIDI Channel Voice message second data byte which is about to be processed.

Returns

The callback function should return 0 to enable MSS to process the event and send it on to the driver layer, or 1 to inhibit further processing of the event.

Discussion

See AIL_send_channel_voice_message for more information on Channel Voice message formats.

Group: XMIDI Services
Related Functions: AIL_register_event_callback, AIL_send_channel_voice_message
Related Basic Types: HMDIDRIVER, HSEQUENCE, S32

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