reduce memcpy in coze_ws_app example (AUD-6681)

[hyansuper]

Checklist

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Issue or Suggestion Description

in the esp-adf coze_ws_app example, playback data is received by coze client, then copied to audio_playback.fifo , then copied again in inport callback.

is it really nessissary? is there a way to copy data only once, then pass it by pointer in the second time, maybe using zero-copy databus as described?

[shootao]

Hi @hyansuper ，thanks for your feedback
1.The audio data comes from the WebSocket, and using zero-copy directly would cause the data to be not thread-safe.
2. In the current structure, the first-level element requires data copying, and using zero-copy directly would cause issues.