nRF Connect SDK API 2.8.0
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◆ pscm_one_channel_split()

int pscm_one_channel_split ( void const *const input,
size_t input_size,
enum audio_channel channel,
uint8_t pcm_bit_depth,
void * output,
size_t * output_size )

#include <include/pcm_stream_channel_modifier.h>

Removes every second sample from *input and writes it to *output.

Note
Use to split stereo audio stream to single channel.
Parameters
[in]inputPointer to the input buffer.
[in]input_sizeNumber of bytes in the input. Must be divisible by two.
[in]channelChannel to keep the audio data from.
[in]pcm_bit_depthBit depth of PCM samples (16, 24, or 32).
[out]outputPointer to the output buffer.
[out]output_sizeNumber of bytes written to the output.
Returns
0 if success.