51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
//
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// Created by WolverinDEV on 27/03/2021.
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//
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#include <cassert>
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#include <cstring>
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#include "AudioInterleaved.h"
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using namespace tc;
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constexpr static auto kMaxChannelCount{32};
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void audio::deinterleave(float *target, const float *source, size_t channel_count, size_t sample_count) {
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assert(channel_count <= kMaxChannelCount);
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assert(source != target);
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float* target_ptr[kMaxChannelCount];
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for(size_t channel{0}; channel < channel_count; channel++) {
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target_ptr[channel] = target + (channel * sample_count);
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}
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for(size_t sample{0}; sample < sample_count; sample++) {
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for(size_t channel{0}; channel < channel_count; channel++) {
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*target_ptr[channel]++ = *source++;
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}
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}
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}
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void audio::interleave(float *target, const float *source, size_t channel_count, size_t sample_count) {
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assert(channel_count <= kMaxChannelCount);
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assert(source != target);
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const float* source_ptr[kMaxChannelCount];
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for(size_t channel{0}; channel < channel_count; channel++) {
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source_ptr[channel] = source + (channel * sample_count);
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}
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audio::interleave_vec(target, source_ptr, channel_count, sample_count);
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}
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void audio::interleave_vec(float *target, const float *const *source, size_t channel_count, size_t sample_count) {
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assert(channel_count <= kMaxChannelCount);
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const float* source_ptr[kMaxChannelCount];
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memcpy(source_ptr, source, channel_count * sizeof(float*));
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for(size_t sample{0}; sample < sample_count; sample++) {
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for(size_t channel{0}; channel < channel_count; channel++) {
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*target++ = *source_ptr[channel]++;
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}
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}
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} |