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/* SPDX-License-Identifier: BSD-3-Clause */
/* SPDX-FileCopyrightText: OpenMPT Project Developers and Contributors */
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#include "mpt/audio/span.hpp"
#include "mpt/base/macros.hpp"
#include "openmpt/soundbase/SampleConvert.hpp"
#include <algorithm>
#include <cassert>
#include <cstddef>
OPENMPT_NAMESPACE_BEGIN
template <typename TBufOut, typename TBufIn>
void CopyAudio(TBufOut buf_out, TBufIn buf_in)
{
assert(buf_in.size_frames() == buf_out.size_frames());
assert(buf_in.size_channels() == buf_out.size_channels());
std::size_t countFrames = std::min(buf_in.size_frames(), buf_out.size_frames());
std::size_t channels = std::min(buf_in.size_channels(), buf_out.size_channels());
for(std::size_t frame = 0; frame < countFrames; ++frame)
{
for(std::size_t channel = 0; channel < channels; ++channel)
{
buf_out(channel, frame) = SC::sample_cast<typename TBufOut::sample_type>(buf_in(channel, frame));
}
}
}
template <typename TBufOut, typename TBufIn>
void CopyAudio(TBufOut buf_out, TBufIn buf_in, std::size_t countFrames)
{
assert(countFrames <= buf_in.size_frames());
assert(countFrames <= buf_out.size_frames());
assert(buf_in.size_channels() == buf_out.size_channels());
std::size_t channels = std::min(buf_in.size_channels(), buf_out.size_channels());
for(std::size_t frame = 0; frame < countFrames; ++frame)
{
for(std::size_t channel = 0; channel < channels; ++channel)
{
buf_out(channel, frame) = SC::sample_cast<typename TBufOut::sample_type>(buf_in(channel, frame));
}
}
}
template <typename TBufOut, typename TBufIn>
void CopyAudioChannels(TBufOut buf_out, TBufIn buf_in, std::size_t channels, std::size_t countFrames)
{
assert(countFrames <= buf_in.size_frames());
assert(countFrames <= buf_out.size_frames());
assert(channels <= buf_in.size_channels());
assert(channels <= buf_out.size_channels());
for(std::size_t frame = 0; frame < countFrames; ++frame)
{
for(std::size_t channel = 0; channel < channels; ++channel)
{
buf_out(channel, frame) = SC::sample_cast<typename TBufOut::sample_type>(buf_in(channel, frame));
}
}
}
// Copy numChannels interleaved sample streams.
template <typename Tin, typename Tout>
void CopyAudioChannelsInterleaved(Tout *MPT_RESTRICT outBuf, const Tin *MPT_RESTRICT inBuf, std::size_t numChannels, std::size_t countFrames)
{
CopyAudio(mpt::audio_span_interleaved<Tout>(outBuf, numChannels, countFrames), mpt::audio_span_interleaved<const Tin>(inBuf, numChannels, countFrames));
}
OPENMPT_NAMESPACE_END
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