voice_audio_multi/include/engine/framework/audio/conversion.h
Fabio c36510c21e
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Initial import: audio.cpp with Orange Pi documentation
2026-11-04 19:05:22 +01:00

62 lines
1.8 KiB
C++

#pragma once
#include "engine/framework/audio/resampling.h"
#include "engine/framework/audio/wav_reader.h"
#include <cstdint>
#include <filesystem>
#include <vector>
namespace engine::audio {
enum class MonoMixAccumulation {
Float32,
Float64,
};
std::vector<float> mixdown_interleaved_to_mono_average(
const std::vector<float> & interleaved_samples,
int channel_count,
MonoMixAccumulation accumulation = MonoMixAccumulation::Float32);
std::vector<float> duplicate_mono_to_interleaved_channels(
const std::vector<float> & mono_samples,
int target_channel_count);
std::vector<float> deinterleave_to_planar_channels(
const std::vector<float> & interleaved_samples,
int channel_count);
std::vector<float> interleave_planar_channels(
const std::vector<float> & planar_samples,
int channel_count,
int64_t frame_count);
std::vector<float> extract_interleaved_channel(
const std::vector<float> & interleaved_samples,
int channel_count,
int channel_index);
std::vector<float> convert_wav_to_mono_linear_resampled(
const WavData & wav,
int target_sample_rate_hz);
std::vector<float> convert_interleaved_audio_to_mono_linear_resampled(
const std::vector<float> & interleaved_samples,
int sample_rate_hz,
int channel_count,
int target_sample_rate_hz);
std::vector<float> convert_interleaved_audio_to_mono_torchaudio_sinc_hann_resampled(
const std::vector<float> & interleaved_samples,
int sample_rate_hz,
int channel_count,
int target_sample_rate_hz,
const TorchaudioSincHannResampleOptions & options = {},
MonoMixAccumulation accumulation = MonoMixAccumulation::Float32);
std::vector<float> read_wav_f32_as_mono_linear_resampled(
const std::filesystem::path & path,
int target_sample_rate_hz);
} // namespace engine::audio