channel_map.h

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/* SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright(c) 2019 Intel Corporation. All rights reserved.
 *
 * Author: Slawomir Blauciak <slawomir.blauciak@linux.intel.com>
 */
 
#ifndef __SOF_AUDIO_CHANNEL_MAP_H__
#define __SOF_AUDIO_CHANNEL_MAP_H__
 
#include <ipc/channel_map.h>
#include <sof/common.h>
#include <stdint.h>
 
/* Returns the size of a channel map in bytes */
static inline uint32_t chmap_get_size(struct sof_ipc_channel_map *chmap)
{
    return sizeof(*chmap) + (popcount(chmap->ch_mask) *
                 sizeof(*chmap->ch_coeffs));
}
 
/* Returns a channel map valid for a given index in a given stream map */
struct sof_ipc_channel_map *chmap_get(struct sof_ipc_stream_map *smap,
                      int index);
 
#endif /* __SOF_AUDIO_CHANNEL_MAP_H__ */