Optional avsync_Reserved for future use.
Optional bufferThe data buffer of the audio frame. When the audio frame uses a stereo channel, the data buffer is interleaved. The size of the data buffer is as follows: buffer = samples × channels × bytesPerSample.
Optional bytesThe number of bytes per sample. For PCM, this parameter is generally set to 16 bits (2 bytes).
Optional channelsThe number of audio channels (the data are interleaved if it is stereo). 1: Mono. 2: Stereo.
Optional renderThe timestamp (ms) of the external audio frame. You can use this timestamp to restore the order of the captured audio frame, and synchronize audio and video frames in video scenarios, including scenarios where external video sources are used.
Optional samplesThe number of samples per channel in the audio frame.
Optional samplesThe number of samples per channel in the audio frame.
Optional typeThe type of the audio frame. See AudioFrameType.
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Raw audio data.