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/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_PCM_INTERLEAVE_HXX
#define MPD_PCM_INTERLEAVE_HXX
#include "util/Compiler.h"
#include "util/ConstBuffer.hxx"
#include <cstdint>
/**
* Interleave planar PCM samples from #src to #dest.
*/
void
PcmInterleave(void *gcc_restrict dest, ConstBuffer<const void *> src,
size_t n_frames, size_t sample_size) noexcept;
/**
* A variant of PcmInterleave() that assumes 32 bit samples (4 bytes
* per sample).
*/
void
PcmInterleave32(int32_t *gcc_restrict dest, ConstBuffer<const int32_t *> src,
size_t n_frames) noexcept;
static inline void
PcmInterleaveFloat(float *gcc_restrict dest, ConstBuffer<const float *> src,
size_t n_frames) noexcept
{
PcmInterleave32((int32_t *)dest,
ConstBuffer<const int32_t *>((const int32_t *const*)src.data,
src.size),
n_frames);
}
#endif
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