Queue a text-to-speech message

Inject a text-to-speech message into Vivox channels.

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最后更新于 8 个月前

Some destinations offer a built-in queuing system. When a new message is injected and there is an ongoing message playing, then the new message is put into a queue. After the ongoing message finishes playing, the next message in the queue automatically begins playing.


// Returns VxErrorSuccess and starts playing immediately.MyLoginSession->TTS().Speak("First Message.", TTSDestination::QueuedLocalPlayback);// Returns VxStatusTTSInputTextWasEnqueued and put in a queue.// After the first message finishes playback, this message will start.MyLoginSession->TTS().Speak("Second Message.", TTSDestination::QueuedLocalPlayback);

A queue is shared between

TTSDestination::QueuedRemoteTransmission

and

TTSDestination::QueuedRemoteTransmissionWithLocalPlayback

. The destination

TTSDestination::QueuedLocalPlayback

has its own queue.

A destination queue can hold up to 10 messages. If a message is added when a destination queue is full, the Vivox SDK discards the message and the method returns the error

VxErrorTTSDestinationQueueIsFull

. In this case, no text-to-speech related events are raised.

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