pcm_stream_channel_modifier.h

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/*
 * Copyright (c) 2018 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef _PCM_STREAM_CHANNEL_MODIFIER_H_
#define _PCM_STREAM_CHANNEL_MODIFIER_H_
 
#include <zephyr/kernel.h>
#include <audio_defines.h>
 
#define PSCM_MAX_CARRIER_BIT_DEPTH (32)
 
int pscm_zero_pad(void const *const input, size_t input_size, enum audio_channel channel,
                  uint8_t pcm_bit_depth, void *output, size_t *output_size);
 
int pscm_copy_pad(void const *const input, size_t input_size, uint8_t pcm_bit_depth, void *output,
                  size_t *output_size);
 
int pscm_combine(void const *const input_left, void const *const input_right, size_t input_size,
                 uint8_t pcm_bit_depth, void *output, size_t *output_size);
 
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);
 
int pscm_two_channel_split(void const *const input, size_t input_size, uint8_t pcm_bit_depth,
                           void *output_left, void *output_right, size_t *output_size);
 
int pscm_interleave(void const *const input, size_t input_size, uint8_t channel,
                    uint8_t pcm_bit_depth, void *output, size_t output_size,
                    uint8_t output_channels);
 
int pscm_deinterleave(void const *const input, size_t input_size, uint8_t input_channels,
                      uint8_t channel, uint8_t pcm_bit_depth, void *output, size_t output_size);
 
#endif /* _PCM_STREAM_CHANNEL_MODIFIER_H_ */