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OH_AudioStreamBuilder_SetRendererWriteDataCallbackAdvanced

ohaudio_sys::audiostreambuilder

Function OH_AudioStreamBuilder_SetRendererWriteDataCallbackAdvanced 

Source 
pub unsafe extern "C" fn OH_AudioStreamBuilder_SetRendererWriteDataCallbackAdvanced(
    builder: *mut OH_AudioStreamBuilder,
    callback: OH_AudioRenderer_OnWriteDataCallbackAdvanced,
    userData: *mut c_void,
) -> OH_AudioStream_Result
Available on crate feature api-20 only.
Expand description

Set the callback of writing data to renderer client.

This function is similar with OH_AudioStreamBuilder_SetRendererWriteDataCallback. Only the last callback set by OH_AudioStreamBuilder_SetRendererWriteDataCallback or this function will become effective. Different with OH_AudioStreamBuilder_SetRendererWriteDataCallback, the callback in this function can return audio data of any length.

§Arguments

  • builder - Builder provided by OH_AudioStreamBuilder_Create()

  • callback - Callback to functions that will write audio data to renderer client.

  • userData - Pointer to an application data structure that will be passed to the callback functions.

§Returns

  • Result code. [AUDIOSTREAM_SUCCESS] Success. [AUDIOSTREAM_ERROR_INVALID_PARAM] Parameter is invalid, e.g. builder is nullptr, e.t.c.

Available since API-level: 20