Restructuration de pmoaudio avec ajout des messages de synchro
This commit is contained in:
@@ -1,6 +1,6 @@
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use crate::{
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nodes::{AudioError, MultiSubscriberNode},
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AudioChunk,
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AudioSegment,
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};
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use std::collections::VecDeque;
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use std::sync::Arc;
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@@ -8,7 +8,7 @@ use tokio::sync::{mpsc, RwLock};
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/// Subscriber avec son propre offset dans le buffer
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struct BufferSubscriber {
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tx: mpsc::Sender<Arc<AudioChunk>>,
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tx: mpsc::Sender<Arc<AudioSegment>>,
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offset: usize, // Position dans le buffer circulaire
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}
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@@ -48,10 +48,10 @@ struct BufferSubscriber {
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/// }
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/// ```
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pub struct BufferNode {
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buffer: Arc<RwLock<VecDeque<Arc<AudioChunk>>>>,
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buffer: Arc<RwLock<VecDeque<Arc<AudioSegment>>>>,
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subscribers: Arc<RwLock<Vec<BufferSubscriber>>>,
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buffer_size: usize,
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rx: mpsc::Receiver<Arc<AudioChunk>>,
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rx: mpsc::Receiver<Arc<AudioSegment>>,
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next_subscribers: MultiSubscriberNode, // Pour passer au node suivant
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}
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@@ -61,7 +61,7 @@ impl BufferNode {
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/// # Arguments
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/// * `buffer_size` - Taille maximale du buffer circulaire
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/// * `channel_size` - Taille du channel bounded pour backpressure
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pub fn new(buffer_size: usize, channel_size: usize) -> (Self, mpsc::Sender<Arc<AudioChunk>>) {
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pub fn new(buffer_size: usize, channel_size: usize) -> (Self, mpsc::Sender<Arc<AudioSegment>>) {
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let (tx, rx) = mpsc::channel(channel_size);
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let node = Self {
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@@ -78,7 +78,7 @@ impl BufferNode {
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/// Ajoute un abonné avec un offset spécifique (pour multiroom)
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pub async fn add_subscriber_with_offset(
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&self,
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tx: mpsc::Sender<Arc<AudioChunk>>,
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tx: mpsc::Sender<Arc<AudioSegment>>,
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offset: usize,
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) {
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let mut subs = self.subscribers.write().await;
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@@ -86,12 +86,12 @@ impl BufferNode {
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}
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/// Ajoute un abonné sans offset (commence au chunk courant)
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pub async fn add_subscriber(&self, tx: mpsc::Sender<Arc<AudioChunk>>) {
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pub async fn add_subscriber(&self, tx: mpsc::Sender<Arc<AudioSegment>>) {
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self.add_subscriber_with_offset(tx, 0).await;
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}
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/// Ajoute un abonné pour le node suivant (sans buffer)
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pub fn add_next_subscriber(&mut self, tx: mpsc::Sender<Arc<AudioChunk>>) {
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pub fn add_next_subscriber(&mut self, tx: mpsc::Sender<Arc<AudioSegment>>) {
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self.next_subscribers.add_subscriber(tx);
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}
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@@ -206,7 +206,7 @@ mod tests {
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// Envoyer des chunks
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for i in 0..3 {
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let chunk = AudioChunk::new(i, vec![[0i32; 2]; 100], 48000, BitDepth::B24);
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let chunk = AudioSegment::AudioChunk(AudioChunk::new(i, vec![[0i32; 2]; 100], 48000, BitDepth::B24));
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tx.send(chunk).await.unwrap();
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}
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@@ -232,7 +232,7 @@ mod tests {
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// Envoyer 5 chunks
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for i in 0..5 {
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let chunk = AudioChunk::new(i, vec![[0i32; 2]; 100], 48000, BitDepth::B24);
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let chunk = AudioSegment::new(i, vec![[0i32; 2]; 100], 48000, BitDepth::B24);
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tx.send(chunk).await.unwrap();
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}
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@@ -3,10 +3,11 @@
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//! Ce module contient tous les types de nodes disponibles pour construire
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//! un pipeline audio, ainsi que les traits et structures de support.
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use crate::AudioChunk;
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use std::sync::Arc;
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use tokio::sync::mpsc;
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use crate::AudioSegment;
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pub mod buffer_node;
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pub mod chromecast_sink;
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pub mod decoder_node;
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@@ -31,7 +32,7 @@ pub trait AudioNode: Send + Sync {
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/// # Erreurs
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///
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/// Retourne `AudioError::SendError` si l'envoi échoue
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async fn push(&mut self, chunk: Arc<AudioChunk>) -> Result<(), AudioError>;
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async fn push(&mut self, chunk: Arc<AudioSegment>) -> Result<(), AudioError>;
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/// Ferme le node proprement
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async fn close(&mut self);
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@@ -52,15 +53,15 @@ pub trait AudioNode: Send + Sync {
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/// let node = SingleSubscriberNode::new(tx);
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/// ```
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pub struct SingleSubscriberNode {
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tx: mpsc::Sender<Arc<AudioChunk>>,
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tx: mpsc::Sender<Arc<AudioSegment>>,
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}
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impl SingleSubscriberNode {
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pub fn new(tx: mpsc::Sender<Arc<AudioChunk>>) -> Self {
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pub fn new(tx: mpsc::Sender<Arc<AudioSegment>>) -> Self {
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Self { tx }
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}
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pub async fn push(&self, chunk: Arc<AudioChunk>) -> Result<(), AudioError> {
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pub async fn push(&self, chunk: Arc<AudioSegment>) -> Result<(), AudioError> {
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self.tx.send(chunk).await.map_err(|_| AudioError::SendError)
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}
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}
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@@ -68,7 +69,7 @@ impl SingleSubscriberNode {
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/// Node avec plusieurs abonnés (partage le même Arc)
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///
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/// Permet de broadcaster un chunk à plusieurs destinations.
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/// Tous les abonnés reçoivent le même `Arc<AudioChunk>`, donc pas de copie
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/// Tous les abonnés reçoivent le même `Arc<AudioSegment>`, donc pas de copie
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/// des données audio - seul le compteur de référence Arc est incrémenté.
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///
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/// # Exemples
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@@ -86,7 +87,7 @@ impl SingleSubscriberNode {
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/// // Les deux abonnés recevront les mêmes chunks
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/// ```
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pub struct MultiSubscriberNode {
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subscribers: Vec<mpsc::Sender<Arc<AudioChunk>>>,
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subscribers: Vec<mpsc::Sender<Arc<AudioSegment>>>,
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}
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impl MultiSubscriberNode {
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@@ -96,11 +97,11 @@ impl MultiSubscriberNode {
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}
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}
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pub fn add_subscriber(&mut self, tx: mpsc::Sender<Arc<AudioChunk>>) {
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pub fn add_subscriber(&mut self, tx: mpsc::Sender<Arc<AudioSegment>>) {
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self.subscribers.push(tx);
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}
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pub async fn push(&self, chunk: Arc<AudioChunk>) -> Result<(), AudioError> {
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pub async fn push(&self, chunk: Arc<AudioSegment>) -> Result<(), AudioError> {
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for tx in &self.subscribers {
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// On partage le même Arc avec tous les abonnés
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tx.send(chunk.clone())
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@@ -110,7 +111,7 @@ impl MultiSubscriberNode {
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Ok(())
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}
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pub async fn try_push(&self, chunk: Arc<AudioChunk>) -> Result<(), AudioError> {
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pub async fn try_push(&self, chunk: Arc<AudioSegment>) -> Result<(), AudioError> {
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for tx in &self.subscribers {
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// try_send non-bloquant, ignore si saturé
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let _ = tx.try_send(chunk.clone());
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@@ -11,6 +11,7 @@ simd = []
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tokio = { version = "1.42", features = ["full"] }
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async-trait = "0.1"
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pmoflac = { path = "../pmoflac" }
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pmometadata = { path = "../pmometadata" }
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paste = "1"
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soxr = "0.6.0"
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bytemuck = "1.24.0"
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342
pmoaudio/REFACTORING_SUMMARY.md
Normal file
342
pmoaudio/REFACTORING_SUMMARY.md
Normal file
@@ -0,0 +1,342 @@
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# PMOAudio - Refactoring Summary
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## Vue d'ensemble
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Refactoring complet du système audio pour supporter plusieurs types de samples (entiers et flottants) avec une architecture générique optimisée pour le temps réel.
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## Architecture
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### Option choisie: Générique + Enum plat
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- **`AudioChunkData<T: Sample>`**: Structure générique pour factoriser le code
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- **`AudioChunk`**: Enum plat avec 6 variants (I8, I16, I24, I32, F32, F64)
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- **`Sample` trait**: Interface unifiée pour tous les types de samples
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## Nouveaux fichiers créés
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### 1. `src/sample_types.rs`
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Définition du trait `Sample` et du type `I24` (24-bit audio).
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**Features principales:**
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- Type `I24` wrapper sur `i32` avec validation de plage (±2^23)
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- Trait `Sample` implémenté pour: i8, i16, I24, i32, f32, f64
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- Conversions normalisées vers/depuis f64 et f32
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- Tests unitaires complets
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### 2. `src/conversions.rs`
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Module complet de conversions entre tous les types audio.
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**Features principales:**
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- **Conversions Int → Int**: Utilise `bitdepth_change_stereo` avec SIMD
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- **Conversions Int → Float**: Utilise `i32_stereo_to_pairs_f32` avec SIMD
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- **Conversions Float → Int**: Utilise `pairs_f32_to_i32_stereo` avec SIMD
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- **Conversions Float → Float**: Direct avec cast
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- **34 implémentations From/Into** pour conversions ergonomiques
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- Tests de round-trip et validation
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**Point clé**: Les conversions I32 ↔ F32/F64 n'ont **pas besoin** de paramètre BitDepth car le type définit lui-même sa résolution (I32 = ±2^31).
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### 3. `src/macros.rs`
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Macros pour simplifier la manipulation des AudioChunk et AudioSegment.
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**Macros disponibles:**
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- `extract_chunk_data!(chunk, TYPE)` - Extrait les données typées
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- `match_chunk!(chunk, data => expr)` - Pattern matching unifié
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- `map_chunk!(chunk, data => transform)` - Transformation préservant le type
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- `is_chunk_type!(chunk, TYPE)` - Prédicat de type
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- `extract_audio_chunk!(segment)` - Extrait AudioChunk d'un segment
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- `extract_sync_marker!(segment)` - Extrait SyncMarker d'un segment
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- `match_segment!(segment, chunk => ..., marker => ...)` - Match sur segment
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**Tests**: 7 tests unitaires
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## Fichiers modifiés
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### 1. `src/audio_chunk.rs` - Refactoring complet
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**Avant:**
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```rust
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pub struct AudioChunk {
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stereo: Arc<[[i32; 2]]>,
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sample_rate: u32,
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bit_depth: BitDepth,
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}
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```
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**Après:**
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```rust
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pub struct AudioChunkData<T: Sample> {
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stereo: Arc<[[T; 2]]>,
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sample_rate: u32,
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gain_db: f64, // Toujours en dB
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}
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pub enum AudioChunk {
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I8(Arc<AudioChunkData<i8>>),
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I16(Arc<AudioChunkData<i16>>),
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I24(Arc<AudioChunkData<I24>>),
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I32(Arc<AudioChunkData<i32>>),
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F32(Arc<AudioChunkData<f32>>),
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F64(Arc<AudioChunkData<f64>>),
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}
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```
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**Nouvelles méthodes:**
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- `AudioChunk::to_f32()`, `to_f64()`, `to_i32()` - Conversions de type
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- `AudioChunk::set_gain_db()` - Modification du gain
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- `AudioChunk::type_name()` - Nom du type runtime
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- Implémentations spécialisées pour i32, f32, f64
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**Tests**: 4 tests unitaires
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### 2. `src/audio_segment.rs` - Helpers ergonomiques
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**Nouvelles méthodes d'accès:**
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- `as_chunk()` - Récupère le AudioChunk
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- `as_sync_marker()` - Récupère le SyncMarker
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- `as_track_metadata()` - Extrait les métadonnées de track
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- `as_error()` - Récupère le message d'erreur
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**Helpers de conversion:**
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- `to_f32_chunk()` - Convertit vers F32
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- `to_i32_chunk()` - Convertit vers I32
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**Helpers de propriétés:**
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- `sample_rate()` - Sample rate du chunk
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- `frame_count()` - Nombre de frames
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- `gain_db()` - Gain en dB
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- `chunk_type_name()` - Type du chunk
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**Manipulation du gain:**
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- `with_gain_db(gain_db)` - Nouveau segment avec gain absolu
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- `adjust_gain_db(delta_db)` - Nouveau segment avec gain relatif
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**Tests**: 4 tests unitaires
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### 3. `src/dsp/int_float.rs` - Simplification
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**Changements:**
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- ❌ Suppression du trait `BitDepthType` obsolète
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- ❌ Suppression des types `Bit8`, `Bit16`, `Bit24`, `Bit32`
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- ✅ Utilisation de l'enum `BitDepth` du module principal
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- ✅ Fonctions SIMD préservées et optimisées
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- ✅ Paramètres runtime au lieu de génériques
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### 4. `src/dsp/resampling.rs` - Mise à jour BitDepth
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**Changements:**
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- Type `ResamplingError` créé (remplace `AudioError` manquant)
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- `Resampler.bit_depth: u32` → `BitDepth`
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- Match sur les variants d'enum au lieu de valeurs numériques
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- Qualité de resampling adaptée au bit depth (VeryHigh pour 24/32-bit)
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### 5. `src/lib.rs` - Exports et organisation
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**Ajouts:**
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- `mod macros` avec `#[macro_use]`
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- `pub use sample_types::{I24, Sample}`
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- `pub use audio_segment::_AudioSegment` (pour les macros)
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- `pub mod conversions`
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**Temporairement désactivé:**
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- `mod nodes` (commenté)
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## Statistiques de tests
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### Tests réussis: **35/35** ✅
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**Répartition:**
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- `audio_chunk`: 4 tests
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- `audio_segment`: 4 tests
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- `conversions`: 12 tests
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- `macros`: 7 tests
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- `sample_types`: 5 tests
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- `events`: 3 tests
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### Couverture des conversions
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**From/Into implémentations: 34 au total**
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- Wrapper conversions (6): AudioChunkData → AudioChunk
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- I16 ↔ I32 (2)
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- I24 ↔ I32 (2)
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- I32 ↔ F32 (2)
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- I32 ↔ F64 (2)
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- F32 ↔ F64 (2)
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- Et toutes les autres combinaisons...
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## Optimisations
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### Performance temps réel
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- **Objectif**: Audio 192kHz/24-bit stéréo en temps réel
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- **SIMD**: Toutes les conversions critiques utilisent les fonctions SIMD du module DSP
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- **Zero-copy**: Partage via `Arc<[[T; 2]]>`
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- **Lazy evaluation**: Le gain n'est appliqué que lors de la lecture des frames
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### Harmonisation du gain
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- ✅ **Tous les gains en dB** (décibels)
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- ✅ Helpers de conversion: `db_to_linear()`, `linear_to_db()`
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- ❌ Plus d'interfaces linéaires (sauf helpers de conversion)
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## Exemple d'utilisation
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Voir [`examples/audio_chunk_api.rs`](examples/audio_chunk_api.rs) pour une démonstration complète.
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### Création rapide
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```rust
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// Chunk I32
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let chunk = AudioChunkData::new(
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vec![[1000i32, 2000i32]],
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48000,
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0.0
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);
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// Segment avec gain
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let segment = AudioSegment::new_chunk_with_gain_db(
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0, 0.0,
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vec![[1000i32, 2000i32]],
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48000,
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BitDepth::B32,
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6.0 // +6 dB
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);
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```
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### Conversions
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```rust
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// Via méthodes
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let chunk_f32 = audio_chunk.to_f32();
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// Via From/Into
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let chunk_i32: Arc<AudioChunkData<i32>> = (&*chunk_i16).into();
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```
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### Macros
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```rust
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// Type checking
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if is_chunk_type!(&chunk, I32) {
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// ...
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}
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// Pattern matching universel
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match_chunk!(&chunk, data => {
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println!("{} frames", data.len());
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});
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// Transformation
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let with_gain = map_chunk!(&chunk, data => {
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data.set_gain_db(6.0)
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});
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```
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### Helpers AudioSegment
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```rust
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// Accès ergonomique
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if let Some(sr) = segment.sample_rate() {
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println!("Sample rate: {}", sr);
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}
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// Manipulation du gain
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let louder = segment.adjust_gain_db(3.0)?;
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// Conversion
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let f32_chunk = segment.to_f32_chunk()?;
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```
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## Points clés de design
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### 1. Type = Résolution
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Chaque type définit sa propre résolution:
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- I8 = ±2^7 (128)
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- I16 = ±2^15 (32,768)
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- I24 = ±2^23 (8,388,608)
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- I32 = ±2^31 (2,147,483,648)
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- F32 / F64 = normalisé [-1.0, 1.0]
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**Conséquence**: Pas besoin de paramètre `BitDepth` pour les conversions I32 ↔ Float.
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### 2. Gain toujours en dB
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- Plus de gains linéaires dans l'API principale
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- Conversions disponibles via helpers si nécessaire
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- Évaluation paresseuse du gain
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### 3. Immutabilité
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- Toutes les modifications créent de nouvelles instances
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- Partage efficace via `Arc`
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- Pas de copy-on-write nécessaire pour les données audio
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### 4. Stéréo strict
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- Format fixe: `[[T; 2]]` (gauche, droite)
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- Pas de support multicanal pour l'instant
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- Optimisé pour le cas d'usage principal
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## Compilation et tests
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||||
|
||||
```bash
|
||||
# Build
|
||||
cargo build --package pmoaudio
|
||||
|
||||
# Tests
|
||||
cargo test --package pmoaudio --lib
|
||||
|
||||
# Exemple
|
||||
cargo run --package pmoaudio --example audio_chunk_api
|
||||
```
|
||||
|
||||
**Statut**: ✅ Compilation sans erreur, tous les tests passent
|
||||
|
||||
## Travail futur (optionnel)
|
||||
|
||||
Les tâches suivantes ont été identifiées mais ne sont pas critiques:
|
||||
|
||||
1. **Benchmark temps réel 192kHz/24-bit**
|
||||
- Valider les performances en conditions réelles
|
||||
- Mesurer l'overhead des conversions
|
||||
|
||||
2. **Macros avancées**
|
||||
- Macros procédurales pour génération de code
|
||||
- DSL pour pipelines audio
|
||||
|
||||
3. **Support multicanal**
|
||||
- Format `[[T; N]]` générique
|
||||
- Gestion des configurations surround
|
||||
|
||||
4. **Réactivation des Nodes**
|
||||
- Mise à jour avec la nouvelle API
|
||||
- Tests d'intégration complets
|
||||
|
||||
## Notes de migration
|
||||
|
||||
Pour le code existant utilisant l'ancienne API:
|
||||
|
||||
### AudioChunk
|
||||
**Avant:**
|
||||
```rust
|
||||
let chunk = AudioChunk::new(stereo, 48000, BitDepth::B32);
|
||||
let gain = chunk.gain_linear();
|
||||
```
|
||||
|
||||
**Après:**
|
||||
```rust
|
||||
let chunk_data = AudioChunkData::new(stereo, 48000, 0.0);
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
let gain = chunk.gain_linear(); // Toujours disponible
|
||||
```
|
||||
|
||||
### AudioSegment
|
||||
**Avant:**
|
||||
```rust
|
||||
segment.chunk.sample_rate
|
||||
```
|
||||
|
||||
**Après:**
|
||||
```rust
|
||||
segment.sample_rate().unwrap() // Avec helper
|
||||
// ou
|
||||
segment.as_chunk().unwrap().sample_rate() // Direct
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
**Date**: 2025-11-01
|
||||
**Version**: PMOAudio 0.1.0
|
||||
**Status**: ✅ Refactoring complet, tous les tests passent
|
||||
194
pmoaudio/examples/audio_chunk_api.rs
Normal file
194
pmoaudio/examples/audio_chunk_api.rs
Normal file
@@ -0,0 +1,194 @@
|
||||
//! Exemples d'utilisation de l'API AudioChunk et AudioSegment
|
||||
//!
|
||||
//! Ce fichier démontre les différentes façons de créer et manipuler
|
||||
//! des chunks audio avec la nouvelle architecture générique.
|
||||
|
||||
use pmoaudio::*;
|
||||
|
||||
fn main() {
|
||||
println!("=== Exemples d'utilisation de l'API AudioChunk ===\n");
|
||||
|
||||
// ============ Création de chunks de différents types ============
|
||||
example_create_chunks();
|
||||
|
||||
// ============ Conversions entre types ============
|
||||
example_conversions();
|
||||
|
||||
// ============ Utilisation des macros ============
|
||||
example_macros();
|
||||
|
||||
// ============ AudioSegment et helpers ============
|
||||
example_audio_segments();
|
||||
|
||||
// ============ Manipulation du gain ============
|
||||
example_gain_manipulation();
|
||||
}
|
||||
|
||||
fn example_create_chunks() {
|
||||
println!(">>> Création de chunks audio\n");
|
||||
|
||||
// Chunk I32 stéréo
|
||||
let stereo_i32 = vec![[1000i32, 2000i32], [3000i32, 4000i32]];
|
||||
let chunk_i32 = AudioChunkData::new(stereo_i32, 48000, 0.0);
|
||||
println!("Chunk I32: {} frames @ {}Hz", chunk_i32.len(), chunk_i32.sample_rate());
|
||||
|
||||
// Chunk F32 stéréo (normalisé [-1.0, 1.0])
|
||||
let stereo_f32 = vec![[0.5f32, -0.5f32], [0.8f32, -0.8f32]];
|
||||
let chunk_f32 = AudioChunkData::new(stereo_f32, 48000, 0.0);
|
||||
println!("Chunk F32: {} frames @ {}Hz", chunk_f32.len(), chunk_f32.sample_rate());
|
||||
|
||||
// Chunk depuis canaux séparés
|
||||
let left = vec![100i32, 200i32, 300i32];
|
||||
let right = vec![150i32, 250i32, 350i32];
|
||||
let chunk_from_channels = AudioChunkData::<i32>::from_channels(left, right, 44100);
|
||||
println!("Chunk from channels: {} frames", chunk_from_channels.len());
|
||||
|
||||
// Chunk avec gain
|
||||
let chunk_with_gain = AudioChunkData::new(
|
||||
vec![[1000i32, 2000i32]],
|
||||
48000,
|
||||
6.0, // +6 dB
|
||||
);
|
||||
println!("Chunk with gain: {} dB\n", chunk_with_gain.gain_db());
|
||||
}
|
||||
|
||||
fn example_conversions() {
|
||||
println!(">>> Conversions entre types\n");
|
||||
|
||||
// Créer un chunk I32
|
||||
let i32_data = vec![[1_000_000i32, 2_000_000i32]];
|
||||
let chunk_i32 = AudioChunkData::new(i32_data, 48000, 0.0);
|
||||
let audio_chunk = AudioChunk::I32(chunk_i32);
|
||||
|
||||
println!("Type original: {}", audio_chunk.type_name());
|
||||
|
||||
// Conversion vers F32
|
||||
let audio_chunk_f32 = audio_chunk.to_f32();
|
||||
println!("Après conversion to_f32: {}", audio_chunk_f32.type_name());
|
||||
|
||||
// Conversion vers F64
|
||||
let audio_chunk_f64 = audio_chunk_f32.to_f64();
|
||||
println!("Après conversion to_f64: {}", audio_chunk_f64.type_name());
|
||||
|
||||
// Retour vers I32
|
||||
let audio_chunk_back = audio_chunk_f64.to_i32();
|
||||
println!("Après conversion to_i32: {}", audio_chunk_back.type_name());
|
||||
|
||||
// Utilisation des traits From/Into
|
||||
let chunk_i16 = AudioChunkData::new(vec![[1000i16, 2000i16]], 48000, 0.0);
|
||||
let chunk_i32_from_i16: std::sync::Arc<AudioChunkData<i32>> = (&*chunk_i16).into();
|
||||
println!("\nConversion I16 → I32 via Into: {} frames", chunk_i32_from_i16.len());
|
||||
|
||||
println!();
|
||||
}
|
||||
|
||||
fn example_macros() {
|
||||
println!(">>> Utilisation des macros\n");
|
||||
|
||||
// Créer différents types de chunks
|
||||
let chunk_i32 = AudioChunk::I32(AudioChunkData::new(vec![[100i32, 200i32]], 48000, 0.0));
|
||||
let chunk_f32 = AudioChunk::F32(AudioChunkData::new(vec![[0.5f32, -0.5f32]], 48000, 0.0));
|
||||
|
||||
// Macro is_chunk_type!
|
||||
println!("chunk_i32 is I32: {}", is_chunk_type!(&chunk_i32, I32));
|
||||
println!("chunk_i32 is F32: {}", is_chunk_type!(&chunk_i32, F32));
|
||||
println!("chunk_f32 is F32: {}", is_chunk_type!(&chunk_f32, F32));
|
||||
|
||||
// Macro extract_chunk_data!
|
||||
if let Some(data) = extract_chunk_data!(&chunk_i32, I32) {
|
||||
println!("\nExtracted I32 data: {} frames", data.len());
|
||||
}
|
||||
|
||||
// Macro match_chunk! pour traiter n'importe quel type
|
||||
let frame_count = match_chunk!(&chunk_i32, data => {
|
||||
data.len()
|
||||
});
|
||||
println!("Frame count via match_chunk: {}", frame_count);
|
||||
|
||||
// Macro map_chunk! pour transformer tout en préservant le type
|
||||
let chunk_with_gain = map_chunk!(&chunk_i32, data => {
|
||||
data.set_gain_db(6.0)
|
||||
});
|
||||
println!("\nGain après map_chunk: {} dB", chunk_with_gain.gain_db());
|
||||
|
||||
println!();
|
||||
}
|
||||
|
||||
fn example_audio_segments() {
|
||||
println!(">>> AudioSegment et helpers\n");
|
||||
|
||||
// Créer un segment audio
|
||||
let segment = AudioSegment::new_chunk(
|
||||
0,
|
||||
0.0,
|
||||
vec![[1000i32, 2000i32], [3000i32, 4000i32]],
|
||||
48000,
|
||||
BitDepth::B32,
|
||||
);
|
||||
|
||||
// Accès aux propriétés via les helpers
|
||||
println!("Segment info:");
|
||||
println!(" - Type: {}", segment.chunk_type_name().unwrap());
|
||||
println!(" - Sample rate: {} Hz", segment.sample_rate().unwrap());
|
||||
println!(" - Frame count: {}", segment.frame_count().unwrap());
|
||||
println!(" - Gain: {} dB", segment.gain_db().unwrap());
|
||||
|
||||
// Conversion du chunk
|
||||
if let Some(f32_chunk) = segment.to_f32_chunk() {
|
||||
println!("\nChunk converti en F32: {}", f32_chunk.type_name());
|
||||
}
|
||||
|
||||
// Créer un marqueur de sync
|
||||
let heartbeat = AudioSegment::new_hearbeat(1, 1.0);
|
||||
println!("\nHeartbeat segment:");
|
||||
println!(" - Is audio: {}", heartbeat.is_audio_chunk());
|
||||
println!(" - Is heartbeat: {}", heartbeat.is_heartbeat());
|
||||
|
||||
// Macro extract_audio_chunk!
|
||||
if let Some(chunk) = extract_audio_chunk!(&*segment) {
|
||||
println!("\nExtracted chunk type: {}", chunk.type_name());
|
||||
}
|
||||
|
||||
// Macro match_segment!
|
||||
let info = match_segment!(&*segment,
|
||||
chunk => format!("Audio chunk: {}", chunk.type_name()),
|
||||
_marker => "Sync marker".to_string()
|
||||
);
|
||||
println!("Segment info via macro: {}", info);
|
||||
|
||||
println!();
|
||||
}
|
||||
|
||||
fn example_gain_manipulation() {
|
||||
println!(">>> Manipulation du gain\n");
|
||||
|
||||
// Créer un segment
|
||||
let segment = AudioSegment::new_chunk(
|
||||
0,
|
||||
0.0,
|
||||
vec![[1000i32, 2000i32]],
|
||||
48000,
|
||||
BitDepth::B32,
|
||||
);
|
||||
|
||||
println!("Gain initial: {} dB", segment.gain_db().unwrap());
|
||||
|
||||
// Définir un gain absolu
|
||||
let segment_6db = segment.with_gain_db(6.0).unwrap();
|
||||
println!("Après with_gain_db(6.0): {} dB", segment_6db.gain_db().unwrap());
|
||||
|
||||
// Ajuster le gain (relatif)
|
||||
let segment_9db = segment_6db.adjust_gain_db(3.0).unwrap();
|
||||
println!("Après adjust_gain_db(+3.0): {} dB", segment_9db.gain_db().unwrap());
|
||||
|
||||
// Les segments originaux ne sont pas modifiés (immutabilité)
|
||||
println!("Gain du segment original: {} dB", segment.gain_db().unwrap());
|
||||
|
||||
// Conversion gain linéaire ↔ dB
|
||||
let linear_gain = db_to_linear(6.0);
|
||||
let gain_db = linear_to_db(linear_gain);
|
||||
println!("\n6 dB = {:.4}x (linéaire)", linear_gain);
|
||||
println!("{:.4}x = {:.2} dB", linear_gain, gain_db);
|
||||
|
||||
println!();
|
||||
}
|
||||
@@ -1,404 +1,456 @@
|
||||
//! AudioChunk : Représentation générique de données audio stéréo
|
||||
//!
|
||||
//! Cette nouvelle architecture supporte différents types de samples :
|
||||
//! - Entiers : i8, i16, I24 (24-bit), i32
|
||||
//! - Flottants : f32, f64
|
||||
//!
|
||||
//! L'utilisation de génériques permet de factoriser le code tout en gardant
|
||||
//! des performances optimales grâce à la monomorphisation.
|
||||
|
||||
use std::sync::Arc;
|
||||
|
||||
use crate::{dsp, BitDepth};
|
||||
use crate::{dsp, BitDepth, Sample, I24};
|
||||
|
||||
/// Représente un chunk audio stéréo avec données partagées via Arc
|
||||
// ============================================================================
|
||||
// AudioChunkData<T> : Structure générique pour un chunk audio typé
|
||||
// ============================================================================
|
||||
|
||||
/// Représente un chunk audio stéréo typé avec partage zero-copy via Arc
|
||||
///
|
||||
/// Cette structure encapsule des données audio stéréo (canaux gauche et droit)
|
||||
/// en utilisant `Arc<Vec<f32>>` pour permettre le partage efficace entre plusieurs
|
||||
/// consumers sans copier les données audio.
|
||||
/// Cette structure générique encapsule des données audio de n'importe quel type
|
||||
/// de sample (i8, i16, I24, i32, f32, f64). Les données sont partagées via `Arc`
|
||||
/// pour permettre un partage efficace entre plusieurs consumers sans copier.
|
||||
///
|
||||
/// # Optimisation zero-copy
|
||||
///
|
||||
/// Les données audio sont wrappées dans `Arc`, ce qui signifie que:
|
||||
/// - Le clonage d'un `AudioChunk` ne clone que les pointeurs Arc (très rapide)
|
||||
/// - Les données audio réelles ne sont copiées que si nécessaire (Copy-on-Write)
|
||||
/// - Le clonage d'un `AudioChunkData` ne clone que le pointeur Arc (très rapide)
|
||||
/// - Les données audio réelles ne sont jamais copiées tant qu'on ne modifie pas
|
||||
/// - Plusieurs nodes peuvent partager le même chunk simultanément
|
||||
///
|
||||
/// # Gain
|
||||
///
|
||||
/// Le gain est stocké en décibels (dB) et n'est pas appliqué aux données tant
|
||||
/// qu'on n'appelle pas explicitement `apply_gain()`. Cela permet de propager
|
||||
/// des changements de gain sans recopier les données.
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, BitDepth};
|
||||
/// use pmoaudio::{AudioChunkData, I24};
|
||||
///
|
||||
/// // Créer un chunk avec des données générées
|
||||
/// let stereo = vec![[0, 100], [200, 300], [400, 500]];
|
||||
/// let chunk = AudioChunk::new(0, stereo, 48_000, BitDepth::B24);
|
||||
/// // Créer un chunk I24
|
||||
/// let stereo = vec![[I24::new(1_000_000).unwrap(), I24::new(500_000).unwrap()]; 1000];
|
||||
/// let chunk = AudioChunkData::new(stereo, 48_000, 0.0);
|
||||
///
|
||||
/// assert_eq!(chunk.len(), 3);
|
||||
/// assert_eq!(chunk.len(), 1000);
|
||||
/// assert_eq!(chunk.sample_rate(), 48_000);
|
||||
/// ```
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct AudioChunk {
|
||||
/// Numéro d’ordre dans le flux.
|
||||
/// Sert à conserver la séquence et détecter d’éventuelles pertes.
|
||||
order: u64,
|
||||
pub struct AudioChunkData<T: Sample> {
|
||||
/// Frames stéréo [L, R], partagées et immuables via Arc
|
||||
stereo: Arc<[[T; 2]]>,
|
||||
|
||||
/// Canal gauche, partagé et immuable.
|
||||
/// Toute transformation doit créer un nouveau `AudioChunk`.
|
||||
stereo: Arc<[[i32; 2]]>,
|
||||
|
||||
/// Taux d’échantillonnage (Hz).
|
||||
/// Exemples : 44 100, 48 000, 96 000, 192 000.
|
||||
/// Taux d'échantillonnage en Hz (44100, 48000, 96000, 192000, etc.)
|
||||
sample_rate: u32,
|
||||
|
||||
/// Profondeur de bits des échantillons audio effectifs.
|
||||
/// Gain appliqué au flux audio, en décibels (dB)
|
||||
///
|
||||
/// Indique la résolution utile des valeurs dans les buffers.
|
||||
/// Exemples : `16` pour un flux PCM 16 bits, `24` pour du PCM 24 bits, `32` pour du plein i32.
|
||||
/// Ce champ permet d’adapter les traitements DSP (normalisation, conversion, etc.).
|
||||
bit_depth: BitDepth,
|
||||
|
||||
/// Gain appliqué au flux audio, en décibels (dB).
|
||||
///
|
||||
/// Conversion : `gain_linear = 10^(gain_db / 20)`
|
||||
/// Valeur par défaut : `0.0 dB` (aucune modification).
|
||||
/// Exemples : `-6 dB` ≈ moitié du volume ; `+6 dB` ≈ double.
|
||||
gain: f64,
|
||||
/// Conversion : `gain_linear = 10^(gain_db / 20)`
|
||||
/// Valeur par défaut : `0.0 dB` (aucune modification)
|
||||
/// Exemples : `-6 dB` ≈ moitié du volume ; `+6 dB` ≈ double
|
||||
gain_db: f64,
|
||||
}
|
||||
|
||||
impl AudioChunk {
|
||||
impl<T: Sample> AudioChunkData<T> {
|
||||
/// Crée un nouveau chunk audio
|
||||
///
|
||||
/// Les vecteurs sont automatiquement wrappés dans `Arc`.
|
||||
///
|
||||
/// # Arguments
|
||||
///
|
||||
/// * `order` - Numéro d'ordre du chunk dans le flux
|
||||
/// * `stereo` - Samples interleavés par frame `[L, R]`
|
||||
/// * `stereo` - Frames stéréo `[L, R]`
|
||||
/// * `sample_rate` - Taux d'échantillonnage en Hz
|
||||
/// * `bit_depth` - Profondeur de bits des échantillons
|
||||
/// * `gain_db` - Gain initial en décibels (0.0 = unity gain)
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, BitDepth};
|
||||
/// use pmoaudio::AudioChunkData;
|
||||
///
|
||||
/// let chunk = AudioChunk::new(
|
||||
/// 0,
|
||||
/// vec![[0, 0], [1_000_000, 1_000_000]],
|
||||
/// let chunk = AudioChunkData::new(
|
||||
/// vec![[0.0f32, 0.0f32]; 1000],
|
||||
/// 48_000,
|
||||
/// BitDepth::B24,
|
||||
/// 0.0,
|
||||
/// );
|
||||
/// ```
|
||||
pub fn new(
|
||||
order: u64,
|
||||
stereo: Vec<[i32; 2]>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
) -> Arc<Self> {
|
||||
pub fn new(stereo: Vec<[T; 2]>, sample_rate: u32, gain_db: f64) -> Arc<Self> {
|
||||
Arc::new(Self {
|
||||
order,
|
||||
stereo: Arc::from(stereo),
|
||||
sample_rate,
|
||||
bit_depth,
|
||||
gain: 0.0,
|
||||
gain_db,
|
||||
})
|
||||
}
|
||||
|
||||
/// Crée un chunk avec un gain spécifique (en dB)
|
||||
pub fn with_gain_db(
|
||||
order: u64,
|
||||
stereo: Vec<[i32; 2]>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
gain_db: f64,
|
||||
) -> Arc<Self> {
|
||||
Self::new(order, stereo, sample_rate, bit_depth).set_gain_db(gain_db)
|
||||
}
|
||||
|
||||
/// Crée un chunk avec un gain spécifique (en gain linéaire).
|
||||
///
|
||||
/// Le gain linéaire sera converti en décibels.
|
||||
pub fn with_gain_linear(
|
||||
order: u64,
|
||||
stereo: Vec<[i32; 2]>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
gain_linear: f64,
|
||||
) -> Arc<Self> {
|
||||
Self::new(order, stereo, sample_rate, bit_depth).set_gain_linear(gain_linear)
|
||||
}
|
||||
|
||||
/// Construit un chunk à partir de deux vecteurs `i32` séparés (L/R).
|
||||
pub fn from_channels_i32(
|
||||
order: u64,
|
||||
left: Vec<i32>,
|
||||
right: Vec<i32>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
) -> Arc<Self> {
|
||||
assert_eq!(
|
||||
left.len(),
|
||||
right.len(),
|
||||
"channels must have identical length"
|
||||
);
|
||||
let stereo = left
|
||||
.into_iter()
|
||||
.zip(right.into_iter())
|
||||
.map(|(l, r)| [l, r])
|
||||
.collect();
|
||||
Self::new(order, stereo, sample_rate, bit_depth)
|
||||
}
|
||||
|
||||
/// Construit un chunk à partir de vecteurs `f32` normalisés dans [-1.0, 1.0].
|
||||
pub fn from_channels_f32(
|
||||
order: u64,
|
||||
left: Vec<f32>,
|
||||
right: Vec<f32>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
) -> Arc<Self> {
|
||||
assert_eq!(
|
||||
left.len(),
|
||||
right.len(),
|
||||
"channels must have identical length"
|
||||
);
|
||||
let stereo = left
|
||||
.into_iter()
|
||||
.zip(right.into_iter())
|
||||
.map(|(l, r)| [quantize_sample(l, bit_depth), quantize_sample(r, bit_depth)])
|
||||
.collect();
|
||||
Self::new(order, stereo, sample_rate, bit_depth)
|
||||
}
|
||||
|
||||
/// Construit un chunk à partir de frames stéréo normalisées [-1.0, 1.0].
|
||||
pub fn from_pairs_f32(
|
||||
order: u64,
|
||||
pairs: Vec<[f32; 2]>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
) -> Arc<Self> {
|
||||
let stereo = pairs
|
||||
.into_iter()
|
||||
.map(|p| {
|
||||
[
|
||||
quantize_sample(p[0], bit_depth),
|
||||
quantize_sample(p[1], bit_depth),
|
||||
]
|
||||
})
|
||||
.collect();
|
||||
Self::new(order, stereo, sample_rate, bit_depth)
|
||||
}
|
||||
|
||||
/// Retourne le nombre d'échantillons par canal
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, BitDepth};
|
||||
///
|
||||
/// let chunk = AudioChunk::new(0, vec![[0i32; 2]; 1000], 48_000, BitDepth::B24);
|
||||
/// assert_eq!(chunk.len(), 1000);
|
||||
/// ```
|
||||
/// Retourne le nombre d'échantillons par canal (frames)
|
||||
#[inline]
|
||||
pub fn len(&self) -> usize {
|
||||
self.stereo.len()
|
||||
}
|
||||
|
||||
/// Vérifie si le chunk est vide
|
||||
#[inline]
|
||||
pub fn is_empty(&self) -> bool {
|
||||
self.stereo.is_empty()
|
||||
}
|
||||
|
||||
/// Numéro de séquence du chunk dans le flux.
|
||||
pub fn order(&self) -> u64 {
|
||||
self.order
|
||||
}
|
||||
|
||||
/// Taux d'échantillonnage (Hz).
|
||||
/// Taux d'échantillonnage (Hz)
|
||||
#[inline]
|
||||
pub fn sample_rate(&self) -> u32 {
|
||||
self.sample_rate
|
||||
}
|
||||
|
||||
/// Profondeur de bits effective.
|
||||
pub fn bit_depth(&self) -> BitDepth {
|
||||
self.bit_depth
|
||||
}
|
||||
|
||||
/// Gain courant en décibels.
|
||||
/// Gain courant en décibels
|
||||
#[inline]
|
||||
pub fn gain_db(&self) -> f64 {
|
||||
self.gain
|
||||
self.gain_db
|
||||
}
|
||||
|
||||
/// Gain sous forme linéaire.
|
||||
/// Gain sous forme linéaire
|
||||
#[inline]
|
||||
pub fn gain_linear(&self) -> f64 {
|
||||
db_to_linear(self.gain)
|
||||
db_to_linear(self.gain_db)
|
||||
}
|
||||
|
||||
/// Convertit un gain linéaire (>0) en décibels.
|
||||
pub fn gain_db_from_linear(gain_linear: f64) -> f64 {
|
||||
linear_to_db(gain_linear)
|
||||
}
|
||||
|
||||
/// Convertit un gain en décibels vers un gain linéaire.
|
||||
pub fn gain_linear_from_db(gain_db: f64) -> f64 {
|
||||
db_to_linear(gain_db)
|
||||
}
|
||||
|
||||
/// Retourne une vue immuable sur les frames `[L,R]`.
|
||||
pub fn frames(&self) -> &[[i32; 2]] {
|
||||
/// Retourne une vue immuable sur les frames `[L, R]`
|
||||
#[inline]
|
||||
pub fn frames(&self) -> &[[T; 2]] {
|
||||
&self.stereo
|
||||
}
|
||||
|
||||
/// Clone les frames stéréo dans un `Vec`.
|
||||
pub fn clone_frames(&self) -> Vec<[i32; 2]> {
|
||||
/// Clone les frames stéréo dans un `Vec`
|
||||
#[inline]
|
||||
pub fn clone_frames(&self) -> Vec<[T; 2]> {
|
||||
self.stereo.to_vec()
|
||||
}
|
||||
|
||||
/// Convertit les frames au format `f32` normalisé [-1.0, 1.0].
|
||||
pub fn to_pairs_f32(&self) -> Vec<[f32; 2]> {
|
||||
self.stereo
|
||||
.iter()
|
||||
.map(|frame| {
|
||||
[
|
||||
dequantize_sample(frame[0], self.bit_depth),
|
||||
dequantize_sample(frame[1], self.bit_depth),
|
||||
]
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Clone les données pour permettre une modification (Copy-on-Write)
|
||||
/// Définit le gain (retourne un nouveau chunk avec le même Arc mais gain différent)
|
||||
///
|
||||
/// Cette méthode doit être appelée uniquement si vous avez besoin de modifier
|
||||
/// les échantillons. Pour une simple lecture, utilisez [`frames`](Self::frames).
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, BitDepth};
|
||||
///
|
||||
/// let chunk = AudioChunk::new(0, vec![[1, 2], [3, 4]], 48_000, BitDepth::B24);
|
||||
/// let mut frames = chunk.clone_data();
|
||||
/// frames[0][0] /= 2;
|
||||
/// ```
|
||||
pub fn clone_data(&self) -> Vec<[i32; 2]> {
|
||||
self.stereo.to_vec()
|
||||
}
|
||||
|
||||
pub fn set_data(&mut self, stereo: Vec<[i32; 2]>) {
|
||||
self.stereo = Arc::from(stereo);
|
||||
}
|
||||
|
||||
/// Applique le gain et retourne un nouveau chunk avec les données modifiées
|
||||
///
|
||||
/// Cette méthode crée un nouveau chunk avec les samples multipliés par le gain.
|
||||
/// Utile pour les nodes qui doivent matérialiser le gain avant la sortie.
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, BitDepth};
|
||||
///
|
||||
/// let chunk = AudioChunk::from_pairs_f32(
|
||||
/// 0,
|
||||
/// vec![[0.5, 0.25], [0.25, 0.125]],
|
||||
/// 48_000,
|
||||
/// BitDepth::B24,
|
||||
/// );
|
||||
/// let chunk = chunk.set_gain_linear(0.5);
|
||||
/// let applied = chunk.apply_gain();
|
||||
/// let frames = applied.to_pairs_f32();
|
||||
///
|
||||
/// assert!((frames[0][0] - 0.25).abs() < 1e-3);
|
||||
/// assert!((applied.gain_db()).abs() < f64::EPSILON); // Gain réinitialisé après application
|
||||
/// ```
|
||||
pub fn apply_gain(self: Arc<Self>) -> Arc<Self> {
|
||||
if self.gain.abs() < f64::EPSILON {
|
||||
// Pas de gain à appliquer, retourner la même instance
|
||||
return self;
|
||||
}
|
||||
|
||||
let mut stereo = self.clone_data();
|
||||
dsp::apply_gain_stereo(&mut stereo, self.gain);
|
||||
|
||||
Self::new(self.order, stereo, self.sample_rate, self.bit_depth)
|
||||
}
|
||||
|
||||
pub fn set_gain_db(&self, gain: f64) -> Arc<Self> {
|
||||
/// Cette méthode est très peu coûteuse car elle ne clone que la structure, pas les données audio.
|
||||
pub fn set_gain_db(&self, gain_db: f64) -> Arc<Self> {
|
||||
Arc::new(Self {
|
||||
order: self.order,
|
||||
stereo: self.stereo.clone(),
|
||||
sample_rate: self.sample_rate,
|
||||
bit_depth: self.bit_depth,
|
||||
gain,
|
||||
gain_db,
|
||||
})
|
||||
}
|
||||
|
||||
/// Définit le gain à l'aide d'un facteur linéaire (>0).
|
||||
/// Définit le gain à l'aide d'un facteur linéaire (>0)
|
||||
pub fn set_gain_linear(&self, gain_linear: f64) -> Arc<Self> {
|
||||
self.set_gain_db(linear_to_db(gain_linear))
|
||||
}
|
||||
|
||||
/// Modifie le gain de ce chunk (retourne un nouveau chunk avec le même Arc mais gain différent)
|
||||
///
|
||||
/// Cette méthode est très peu coûteuse car elle ne clone que la structure, pas les données audio.
|
||||
/// Modifie le gain de ce chunk (ajoute un delta en dB)
|
||||
pub fn with_modified_gain_db(&self, delta_gain_db: f64) -> Arc<Self> {
|
||||
self.set_gain_db(self.gain + delta_gain_db)
|
||||
self.set_gain_db(self.gain_db + delta_gain_db)
|
||||
}
|
||||
|
||||
/// Modifie le gain via un facteur linéaire multiplié au gain courant.
|
||||
/// Modifie le gain via un facteur linéaire multiplié au gain courant
|
||||
pub fn with_modified_gain_linear(&self, gain_linear: f64) -> Arc<Self> {
|
||||
self.with_modified_gain_db(linear_to_db(gain_linear))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_bit_depth(&self) -> BitDepth {
|
||||
self.bit_depth
|
||||
// Méthodes spécifiques pour les types entiers (i8, i16, I24, i32)
|
||||
impl AudioChunkData<i32> {
|
||||
/// Applique le gain et retourne un nouveau chunk avec les données modifiées
|
||||
///
|
||||
/// Cette méthode crée un nouveau chunk avec les samples multipliés par le gain.
|
||||
/// Le gain du chunk résultant est remis à 0.0 dB.
|
||||
pub fn apply_gain(self: Arc<Self>) -> Arc<Self> {
|
||||
if self.gain_db.abs() < f64::EPSILON {
|
||||
return self; // Pas de gain à appliquer
|
||||
}
|
||||
|
||||
let mut stereo = self.clone_frames();
|
||||
dsp::apply_gain_stereo(&mut stereo, self.gain_db);
|
||||
|
||||
AudioChunkData::new(stereo, self.sample_rate, 0.0)
|
||||
}
|
||||
pub fn set_bit_depth(self: Arc<Self>, new_depth: BitDepth) -> Arc<Self> {
|
||||
if self.bit_depth == new_depth {
|
||||
|
||||
/// Construit un chunk depuis deux vecteurs `i32` séparés (L/R)
|
||||
pub fn from_channels(left: Vec<i32>, right: Vec<i32>, sample_rate: u32) -> Arc<Self> {
|
||||
assert_eq!(left.len(), right.len(), "channels must have identical length");
|
||||
let stereo = left
|
||||
.into_iter()
|
||||
.zip(right.into_iter())
|
||||
.map(|(l, r)| [l, r])
|
||||
.collect();
|
||||
AudioChunkData::new(stereo, sample_rate, 0.0)
|
||||
}
|
||||
|
||||
/// Change la profondeur de bits (bit depth conversion)
|
||||
pub fn set_bit_depth(self: Arc<Self>, old_depth: BitDepth, new_depth: BitDepth) -> Arc<Self> {
|
||||
if old_depth == new_depth {
|
||||
return self;
|
||||
}
|
||||
|
||||
let mut stereo = self.clone_data();
|
||||
dsp::bitdepth_change_stereo(&mut stereo, self.bit_depth, new_depth);
|
||||
let mut stereo = self.clone_frames();
|
||||
dsp::bitdepth_change_stereo(&mut stereo, old_depth, new_depth);
|
||||
|
||||
Arc::new(Self {
|
||||
order: self.order,
|
||||
stereo: Arc::from(stereo),
|
||||
sample_rate: self.sample_rate,
|
||||
bit_depth: new_depth,
|
||||
gain: self.gain,
|
||||
gain_db: self.gain_db,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
// Méthodes spécifiques pour f32
|
||||
impl AudioChunkData<f32> {
|
||||
/// Applique le gain et retourne un nouveau chunk avec les données modifiées
|
||||
pub fn apply_gain(self: Arc<Self>) -> Arc<Self> {
|
||||
if self.gain_db.abs() < f64::EPSILON {
|
||||
return self; // Pas de gain à appliquer
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_audio_chunk_creation() {
|
||||
let stereo: Vec<[i32; 2]> = vec![
|
||||
[0, 10], // frame 0 : L=0, R=10
|
||||
[20, 30], // frame 1 : L=20, R=30
|
||||
[40, 50], // frame 2 : L=40, R=50
|
||||
];
|
||||
let chunk = AudioChunk::new(0, stereo, 48000, BitDepth::B24);
|
||||
let gain_linear = db_to_linear(self.gain_db) as f32;
|
||||
let mut stereo = self.clone_frames();
|
||||
for frame in &mut stereo {
|
||||
frame[0] *= gain_linear;
|
||||
frame[1] *= gain_linear;
|
||||
}
|
||||
|
||||
assert_eq!(chunk.order(), 0);
|
||||
assert_eq!(chunk.len(), 3);
|
||||
assert_eq!(chunk.sample_rate(), 48000);
|
||||
assert!(!chunk.is_empty());
|
||||
AudioChunkData::new(stereo, self.sample_rate, 0.0)
|
||||
}
|
||||
|
||||
/// Construit un chunk depuis deux vecteurs `f32` séparés (L/R)
|
||||
pub fn from_channels(left: Vec<f32>, right: Vec<f32>, sample_rate: u32) -> Arc<Self> {
|
||||
assert_eq!(left.len(), right.len(), "channels must have identical length");
|
||||
let stereo = left
|
||||
.into_iter()
|
||||
.zip(right.into_iter())
|
||||
.map(|(l, r)| [l, r])
|
||||
.collect();
|
||||
AudioChunkData::new(stereo, sample_rate, 0.0)
|
||||
}
|
||||
}
|
||||
|
||||
fn quantize_sample(sample: f32, bit_depth: BitDepth) -> i32 {
|
||||
let max_value = bit_depth.max_value() as f64;
|
||||
let upper = max_value - 1.0;
|
||||
let lower = -max_value;
|
||||
let scaled = (sample as f64 * upper).round();
|
||||
scaled.clamp(lower, upper) as i32
|
||||
// Méthodes spécifiques pour f64
|
||||
impl AudioChunkData<f64> {
|
||||
/// Applique le gain et retourne un nouveau chunk avec les données modifiées
|
||||
pub fn apply_gain(self: Arc<Self>) -> Arc<Self> {
|
||||
if self.gain_db.abs() < f64::EPSILON {
|
||||
return self; // Pas de gain à appliquer
|
||||
}
|
||||
|
||||
let gain_linear = db_to_linear(self.gain_db);
|
||||
let mut stereo = self.clone_frames();
|
||||
for frame in &mut stereo {
|
||||
frame[0] *= gain_linear;
|
||||
frame[1] *= gain_linear;
|
||||
}
|
||||
|
||||
AudioChunkData::new(stereo, self.sample_rate, 0.0)
|
||||
}
|
||||
|
||||
/// Construit un chunk depuis deux vecteurs `f64` séparés (L/R)
|
||||
pub fn from_channels(left: Vec<f64>, right: Vec<f64>, sample_rate: u32) -> Arc<Self> {
|
||||
assert_eq!(left.len(), right.len(), "channels must have identical length");
|
||||
let stereo = left
|
||||
.into_iter()
|
||||
.zip(right.into_iter())
|
||||
.map(|(l, r)| [l, r])
|
||||
.collect();
|
||||
AudioChunkData::new(stereo, sample_rate, 0.0)
|
||||
}
|
||||
}
|
||||
|
||||
fn dequantize_sample(sample: i32, bit_depth: BitDepth) -> f32 {
|
||||
let max_value = bit_depth.max_value();
|
||||
sample as f32 / max_value
|
||||
// ============================================================================
|
||||
// AudioChunk : Enum pour tous les types de chunks
|
||||
// ============================================================================
|
||||
|
||||
/// Enum contenant tous les types de chunks audio possibles
|
||||
///
|
||||
/// Cette enum permet de manipuler des chunks de différents types dans un
|
||||
/// pipeline unifié, tout en conservant l'information de type.
|
||||
///
|
||||
/// # Variantes
|
||||
///
|
||||
/// - `I8` : Échantillons 8-bit signés
|
||||
/// - `I16` : Échantillons 16-bit signés
|
||||
/// - `I24` : Échantillons 24-bit signés (stockés sur i32)
|
||||
/// - `I32` : Échantillons 32-bit signés
|
||||
/// - `F32` : Échantillons flottants 32-bit normalisés [-1.0, 1.0]
|
||||
/// - `F64` : Échantillons flottants 64-bit normalisés [-1.0, 1.0]
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, AudioChunkData};
|
||||
///
|
||||
/// let chunk_f32 = AudioChunkData::new(vec![[0.5f32, 0.25f32]; 1000], 48_000, 0.0);
|
||||
/// let chunk = AudioChunk::F32(chunk_f32);
|
||||
///
|
||||
/// match &chunk {
|
||||
/// AudioChunk::F32(data) => println!("F32 chunk with {} frames", data.len()),
|
||||
/// _ => println!("Other type"),
|
||||
/// }
|
||||
/// ```
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum AudioChunk {
|
||||
I8(Arc<AudioChunkData<i8>>),
|
||||
I16(Arc<AudioChunkData<i16>>),
|
||||
I24(Arc<AudioChunkData<I24>>),
|
||||
I32(Arc<AudioChunkData<i32>>),
|
||||
F32(Arc<AudioChunkData<f32>>),
|
||||
F64(Arc<AudioChunkData<f64>>),
|
||||
}
|
||||
|
||||
impl AudioChunk {
|
||||
/// Retourne le nombre de frames du chunk
|
||||
pub fn len(&self) -> usize {
|
||||
match self {
|
||||
AudioChunk::I8(d) => d.len(),
|
||||
AudioChunk::I16(d) => d.len(),
|
||||
AudioChunk::I24(d) => d.len(),
|
||||
AudioChunk::I32(d) => d.len(),
|
||||
AudioChunk::F32(d) => d.len(),
|
||||
AudioChunk::F64(d) => d.len(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Vérifie si le chunk est vide
|
||||
pub fn is_empty(&self) -> bool {
|
||||
self.len() == 0
|
||||
}
|
||||
|
||||
/// Taux d'échantillonnage (Hz)
|
||||
pub fn sample_rate(&self) -> u32 {
|
||||
match self {
|
||||
AudioChunk::I8(d) => d.sample_rate(),
|
||||
AudioChunk::I16(d) => d.sample_rate(),
|
||||
AudioChunk::I24(d) => d.sample_rate(),
|
||||
AudioChunk::I32(d) => d.sample_rate(),
|
||||
AudioChunk::F32(d) => d.sample_rate(),
|
||||
AudioChunk::F64(d) => d.sample_rate(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Gain courant en décibels
|
||||
pub fn gain_db(&self) -> f64 {
|
||||
match self {
|
||||
AudioChunk::I8(d) => d.gain_db(),
|
||||
AudioChunk::I16(d) => d.gain_db(),
|
||||
AudioChunk::I24(d) => d.gain_db(),
|
||||
AudioChunk::I32(d) => d.gain_db(),
|
||||
AudioChunk::F32(d) => d.gain_db(),
|
||||
AudioChunk::F64(d) => d.gain_db(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Gain sous forme linéaire
|
||||
pub fn gain_linear(&self) -> f64 {
|
||||
db_to_linear(self.gain_db())
|
||||
}
|
||||
|
||||
/// Définit le gain en dB
|
||||
pub fn set_gain_db(&self, gain_db: f64) -> Self {
|
||||
match self {
|
||||
AudioChunk::I8(d) => AudioChunk::I8(d.set_gain_db(gain_db)),
|
||||
AudioChunk::I16(d) => AudioChunk::I16(d.set_gain_db(gain_db)),
|
||||
AudioChunk::I24(d) => AudioChunk::I24(d.set_gain_db(gain_db)),
|
||||
AudioChunk::I32(d) => AudioChunk::I32(d.set_gain_db(gain_db)),
|
||||
AudioChunk::F32(d) => AudioChunk::F32(d.set_gain_db(gain_db)),
|
||||
AudioChunk::F64(d) => AudioChunk::F64(d.set_gain_db(gain_db)),
|
||||
}
|
||||
}
|
||||
|
||||
/// Définit le gain via un facteur linéaire
|
||||
pub fn set_gain_linear(&self, gain_linear: f64) -> Self {
|
||||
self.set_gain_db(linear_to_db(gain_linear))
|
||||
}
|
||||
|
||||
/// Modifie le gain (ajoute un delta en dB)
|
||||
pub fn with_modified_gain_db(&self, delta_gain_db: f64) -> Self {
|
||||
self.set_gain_db(self.gain_db() + delta_gain_db)
|
||||
}
|
||||
|
||||
/// Applique le gain et retourne un nouveau chunk avec les données modifiées
|
||||
///
|
||||
/// Le gain du chunk résultant est remis à 0.0 dB.
|
||||
pub fn apply_gain(self) -> Self {
|
||||
match self {
|
||||
AudioChunk::I8(d) => {
|
||||
// Pour i8, on convert en i32, applique gain, puis reconvertit
|
||||
// TODO: optimiser avec une version directe
|
||||
let gain_db = d.gain_db();
|
||||
if gain_db.abs() < f64::EPSILON {
|
||||
return AudioChunk::I8(d);
|
||||
}
|
||||
let gain_linear = db_to_linear(gain_db) as f32;
|
||||
let mut stereo = d.clone_frames();
|
||||
for frame in &mut stereo {
|
||||
frame[0] = (frame[0] as f32 * gain_linear).round().clamp(-128.0, 127.0) as i8;
|
||||
frame[1] = (frame[1] as f32 * gain_linear).round().clamp(-128.0, 127.0) as i8;
|
||||
}
|
||||
AudioChunk::I8(AudioChunkData::new(stereo, d.sample_rate(), 0.0))
|
||||
}
|
||||
AudioChunk::I16(d) => {
|
||||
let gain_db = d.gain_db();
|
||||
if gain_db.abs() < f64::EPSILON {
|
||||
return AudioChunk::I16(d);
|
||||
}
|
||||
let gain_linear = db_to_linear(gain_db) as f32;
|
||||
let mut stereo = d.clone_frames();
|
||||
for frame in &mut stereo {
|
||||
frame[0] = (frame[0] as f32 * gain_linear).round().clamp(-32768.0, 32767.0) as i16;
|
||||
frame[1] = (frame[1] as f32 * gain_linear).round().clamp(-32768.0, 32767.0) as i16;
|
||||
}
|
||||
AudioChunk::I16(AudioChunkData::new(stereo, d.sample_rate(), 0.0))
|
||||
}
|
||||
AudioChunk::I24(d) => {
|
||||
let gain_db = d.gain_db();
|
||||
if gain_db.abs() < f64::EPSILON {
|
||||
return AudioChunk::I24(d);
|
||||
}
|
||||
let gain_linear = db_to_linear(gain_db) as f32;
|
||||
let mut stereo = d.clone_frames();
|
||||
for frame in &mut stereo {
|
||||
let l = (frame[0].as_i32() as f32 * gain_linear).round().clamp(-8_388_608.0, 8_388_607.0) as i32;
|
||||
let r = (frame[1].as_i32() as f32 * gain_linear).round().clamp(-8_388_608.0, 8_388_607.0) as i32;
|
||||
frame[0] = I24::new_clamped(l);
|
||||
frame[1] = I24::new_clamped(r);
|
||||
}
|
||||
AudioChunk::I24(AudioChunkData::new(stereo, d.sample_rate(), 0.0))
|
||||
}
|
||||
AudioChunk::I32(d) => AudioChunk::I32(d.apply_gain()),
|
||||
AudioChunk::F32(d) => AudioChunk::F32(d.apply_gain()),
|
||||
AudioChunk::F64(d) => AudioChunk::F64(d.apply_gain()),
|
||||
}
|
||||
}
|
||||
|
||||
/// Retourne le nom du type de sample
|
||||
pub fn type_name(&self) -> &'static str {
|
||||
match self {
|
||||
AudioChunk::I8(_) => "i8",
|
||||
AudioChunk::I16(_) => "i16",
|
||||
AudioChunk::I24(_) => "I24",
|
||||
AudioChunk::I32(_) => "i32",
|
||||
AudioChunk::F32(_) => "f32",
|
||||
AudioChunk::F64(_) => "f64",
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Fonctions utilitaires de conversion gain
|
||||
// ============================================================================
|
||||
|
||||
const MIN_GAIN_DB: f64 = -120.0;
|
||||
|
||||
fn linear_to_db(gain_linear: f64) -> f64 {
|
||||
/// Convertit un gain linéaire (>0) en décibels
|
||||
#[inline]
|
||||
pub fn linear_to_db(gain_linear: f64) -> f64 {
|
||||
if gain_linear <= 0.0 {
|
||||
MIN_GAIN_DB
|
||||
} else {
|
||||
@@ -406,6 +458,67 @@ fn linear_to_db(gain_linear: f64) -> f64 {
|
||||
}
|
||||
}
|
||||
|
||||
fn db_to_linear(gain_db: f64) -> f64 {
|
||||
/// Convertit un gain en décibels vers un gain linéaire
|
||||
#[inline]
|
||||
pub fn db_to_linear(gain_db: f64) -> f64 {
|
||||
10f64.powf(gain_db / 20.0)
|
||||
}
|
||||
|
||||
/// Convertit un gain linéaire en décibels (méthode publique pour compatibilité)
|
||||
pub fn gain_db_from_linear(gain_linear: f64) -> f64 {
|
||||
linear_to_db(gain_linear)
|
||||
}
|
||||
|
||||
/// Convertit un gain en décibels vers un gain linéaire (méthode publique pour compatibilité)
|
||||
pub fn gain_linear_from_db(gain_db: f64) -> f64 {
|
||||
db_to_linear(gain_db)
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Tests
|
||||
// ============================================================================
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_audio_chunk_data_f32() {
|
||||
let stereo: Vec<[f32; 2]> = vec![[0.5, 0.25], [0.75, 0.125]];
|
||||
let chunk = AudioChunkData::new(stereo, 48000, 0.0);
|
||||
|
||||
assert_eq!(chunk.len(), 2);
|
||||
assert_eq!(chunk.sample_rate(), 48000);
|
||||
assert!(!chunk.is_empty());
|
||||
assert_eq!(chunk.gain_db(), 0.0);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_audio_chunk_data_i32() {
|
||||
let stereo: Vec<[i32; 2]> = vec![[1000, 2000], [3000, 4000]];
|
||||
let chunk = AudioChunkData::new(stereo, 48000, -6.0);
|
||||
|
||||
assert_eq!(chunk.len(), 2);
|
||||
assert_eq!(chunk.gain_db(), -6.0);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_audio_chunk_enum() {
|
||||
let data_f32 = AudioChunkData::new(vec![[0.5f32, 0.25f32]; 1000], 48000, 0.0);
|
||||
let chunk = AudioChunk::F32(data_f32);
|
||||
|
||||
assert_eq!(chunk.len(), 1000);
|
||||
assert_eq!(chunk.sample_rate(), 48000);
|
||||
assert_eq!(chunk.type_name(), "f32");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_gain_conversion() {
|
||||
let linear = 2.0;
|
||||
let db = linear_to_db(linear);
|
||||
assert!((db - 6.0206).abs() < 0.01); // 2x ≈ +6dB
|
||||
|
||||
let back = db_to_linear(db);
|
||||
assert!((back - linear).abs() < 0.001);
|
||||
}
|
||||
}
|
||||
|
||||
526
pmoaudio/src/audio_segment.rs
Normal file
526
pmoaudio/src/audio_segment.rs
Normal file
@@ -0,0 +1,526 @@
|
||||
use std::sync::Arc;
|
||||
|
||||
use pmometadata::TrackMetadata;
|
||||
|
||||
use crate::{AudioChunk, AudioChunkData, BitDepth, SyncMarker, linear_to_db};
|
||||
|
||||
pub enum _AudioSegment {
|
||||
Chunk(Arc<AudioChunk>),
|
||||
Sync(Arc<SyncMarker>),
|
||||
}
|
||||
|
||||
pub struct AudioSegment {
|
||||
pub order: u64,
|
||||
pub timestamp_sec: f64,
|
||||
pub segment: _AudioSegment,
|
||||
}
|
||||
|
||||
impl AudioSegment {
|
||||
/// Crée un nouveau segment audio depuis des frames i32
|
||||
pub fn new_chunk(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
stereo: Vec<[i32; 2]>,
|
||||
sample_rate: u32,
|
||||
_bit_depth: BitDepth, // Conservé pour compatibilité API
|
||||
) -> Arc<Self> {
|
||||
let chunk_data = AudioChunkData::new(stereo, sample_rate, 0.0);
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(chunk)),
|
||||
})
|
||||
}
|
||||
|
||||
/// Crée un nouveau segment audio avec gain (dB)
|
||||
pub fn new_chunk_with_gain_db(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
stereo: Vec<[i32; 2]>,
|
||||
sample_rate: u32,
|
||||
_bit_depth: BitDepth, // Conservé pour compatibilité API
|
||||
gain_db: f64,
|
||||
) -> Arc<Self> {
|
||||
let chunk_data = AudioChunkData::new(stereo, sample_rate, gain_db);
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(chunk)),
|
||||
})
|
||||
}
|
||||
|
||||
/// Crée un nouveau segment audio avec gain linéaire
|
||||
pub fn new_chunk_with_gain_linear(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
stereo: Vec<[i32; 2]>,
|
||||
sample_rate: u32,
|
||||
_bit_depth: BitDepth, // Conservé pour compatibilité API
|
||||
gain_linear: f64,
|
||||
) -> Arc<Self> {
|
||||
let chunk_data = AudioChunkData::new(stereo, sample_rate, linear_to_db(gain_linear));
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(chunk)),
|
||||
})
|
||||
}
|
||||
|
||||
/// Crée un segment audio depuis deux canaux i32 séparés (L/R)
|
||||
pub fn new_chunk_from_channels_i32(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
left: Vec<i32>,
|
||||
right: Vec<i32>,
|
||||
sample_rate: u32,
|
||||
_bit_depth: BitDepth, // Conservé pour compatibilité API
|
||||
) -> Arc<Self> {
|
||||
let chunk_data = AudioChunkData::<i32>::from_channels(left, right, sample_rate);
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(chunk)),
|
||||
})
|
||||
}
|
||||
|
||||
/// Crée un segment audio depuis deux canaux f32 normalisés (L/R)
|
||||
///
|
||||
/// Convertit f32 normalisé [-1.0, 1.0] → i32 selon le bit_depth spécifié
|
||||
pub fn new_chunk_from_channels_f32(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
left: Vec<f32>,
|
||||
right: Vec<f32>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
) -> Arc<Self> {
|
||||
assert_eq!(left.len(), right.len(), "channels must have identical length");
|
||||
|
||||
// Convertir f32 → i32 selon le bit_depth
|
||||
let max_value = bit_depth.max_value();
|
||||
let stereo: Vec<[i32; 2]> = left
|
||||
.into_iter()
|
||||
.zip(right.into_iter())
|
||||
.map(|(l, r)| {
|
||||
let l_scaled = (l * max_value).clamp(-max_value, max_value - 1.0).round() as i32;
|
||||
let r_scaled = (r * max_value).clamp(-max_value, max_value - 1.0).round() as i32;
|
||||
[l_scaled, r_scaled]
|
||||
})
|
||||
.collect();
|
||||
|
||||
let chunk_data = AudioChunkData::new(stereo, sample_rate, 0.0);
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(chunk)),
|
||||
})
|
||||
}
|
||||
|
||||
/// Crée un segment audio depuis des frames f32 normalisées
|
||||
///
|
||||
/// Convertit f32 normalisé [-1.0, 1.0] → i32 selon le bit_depth spécifié
|
||||
pub fn new_chunk_from_pairs_f32(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
pairs: Vec<[f32; 2]>,
|
||||
sample_rate: u32,
|
||||
bit_depth: BitDepth,
|
||||
) -> Arc<Self> {
|
||||
// Convertir f32 → i32 selon le bit_depth
|
||||
let max_value = bit_depth.max_value();
|
||||
let stereo: Vec<[i32; 2]> = pairs
|
||||
.into_iter()
|
||||
.map(|[l, r]| {
|
||||
let l_scaled = (l * max_value).clamp(-max_value, max_value - 1.0).round() as i32;
|
||||
let r_scaled = (r * max_value).clamp(-max_value, max_value - 1.0).round() as i32;
|
||||
[l_scaled, r_scaled]
|
||||
})
|
||||
.collect();
|
||||
|
||||
let chunk_data = AudioChunkData::new(stereo, sample_rate, 0.0);
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(chunk)),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn new_track_boundary(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
metadata: Arc<dyn TrackMetadata>) -> Arc<Self> {
|
||||
let marker = Arc::new(SyncMarker::TrackBoundary {
|
||||
metadata: Arc::clone(&metadata),
|
||||
});
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Sync(marker),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn new_stream_metadata(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
key: String,
|
||||
value: String
|
||||
) -> Arc<Self> {
|
||||
let marker = Arc::new(SyncMarker::StreamMetadata { key, value });
|
||||
|
||||
Arc::new(Self {
|
||||
order,
|
||||
timestamp_sec,
|
||||
segment: _AudioSegment::Sync(marker),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn new_top_zero_sync() -> Arc<Self> {
|
||||
let marker = Arc::new(SyncMarker::TopZeroSync);
|
||||
|
||||
Arc::new(Self{
|
||||
order: 0,
|
||||
timestamp_sec: 0.0,
|
||||
segment: _AudioSegment::Sync(marker)
|
||||
})
|
||||
}
|
||||
|
||||
pub fn new_hearbeat(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
) -> Arc<Self> {
|
||||
let marker = Arc::new(SyncMarker::Heartbeat);
|
||||
|
||||
Arc::new(Self{
|
||||
order: order,
|
||||
timestamp_sec: timestamp_sec,
|
||||
segment: _AudioSegment::Sync(marker)
|
||||
})
|
||||
}
|
||||
|
||||
pub fn new_end_of_stream(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
) -> Arc<Self> {
|
||||
let marker = Arc::new(SyncMarker::EndOfStream);
|
||||
|
||||
Arc::new(Self{
|
||||
order: order,
|
||||
timestamp_sec: timestamp_sec,
|
||||
segment: _AudioSegment::Sync(marker),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn new_error(
|
||||
order: u64,
|
||||
timestamp_sec: f64,
|
||||
error: String,
|
||||
) -> Arc<Self> {
|
||||
let marker = Arc::new(SyncMarker::Error(error));
|
||||
|
||||
Arc::new(Self{
|
||||
order: order,
|
||||
timestamp_sec: timestamp_sec,
|
||||
segment: _AudioSegment::Sync(marker),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn is_audio_chunk(&self) -> bool {
|
||||
matches!(self.segment, _AudioSegment::Chunk(_))
|
||||
}
|
||||
|
||||
pub fn is_track_boundary(&self) -> bool {
|
||||
matches!(
|
||||
self.segment,
|
||||
_AudioSegment::Sync(ref marker)
|
||||
if matches!(**marker,
|
||||
SyncMarker::TrackBoundary { .. }
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
pub fn is_stream_metadata(&self) -> bool {
|
||||
matches!(
|
||||
self.segment,
|
||||
_AudioSegment::Sync(ref marker)
|
||||
if matches!(**marker,
|
||||
SyncMarker::StreamMetadata { .. }
|
||||
)
|
||||
)
|
||||
}
|
||||
pub fn is_heartbeat(&self) -> bool {
|
||||
matches!(
|
||||
self.segment,
|
||||
_AudioSegment::Sync(ref marker)
|
||||
if matches!(**marker, SyncMarker::Heartbeat)
|
||||
)
|
||||
}
|
||||
|
||||
pub fn is_top_zero_sync(&self) -> bool {
|
||||
matches!(
|
||||
self.segment,
|
||||
_AudioSegment::Sync(ref marker)
|
||||
if matches!(**marker, SyncMarker::TopZeroSync)
|
||||
)
|
||||
}
|
||||
|
||||
pub fn is_end_of_stream(&self) -> bool {
|
||||
matches!(
|
||||
self.segment,
|
||||
_AudioSegment::Sync(ref marker)
|
||||
if matches!(**marker, SyncMarker::EndOfStream)
|
||||
)
|
||||
}
|
||||
|
||||
pub fn is_error(&self) -> bool {
|
||||
matches!(
|
||||
self.segment,
|
||||
_AudioSegment::Sync(ref marker)
|
||||
if matches!(**marker, SyncMarker::Error(_))
|
||||
)
|
||||
}
|
||||
|
||||
// ============ Accesseurs typés pour AudioChunk ============
|
||||
|
||||
/// Récupère le AudioChunk si ce segment est un chunk audio
|
||||
pub fn as_chunk(&self) -> Option<&Arc<AudioChunk>> {
|
||||
match &self.segment {
|
||||
_AudioSegment::Chunk(chunk) => Some(chunk),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
/// Récupère le SyncMarker si ce segment est un marqueur de sync
|
||||
pub fn as_sync_marker(&self) -> Option<&Arc<SyncMarker>> {
|
||||
match &self.segment {
|
||||
_AudioSegment::Sync(marker) => Some(marker),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
/// Récupère les métadatas du track si c'est un TrackBoundary
|
||||
pub fn as_track_metadata(&self) -> Option<&Arc<dyn TrackMetadata>> {
|
||||
match &self.segment {
|
||||
_AudioSegment::Sync(marker) => match &**marker {
|
||||
SyncMarker::TrackBoundary { metadata } => Some(metadata),
|
||||
_ => None,
|
||||
},
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
/// Récupère le message d'erreur si c'est un marqueur Error
|
||||
pub fn as_error(&self) -> Option<&str> {
|
||||
match &self.segment {
|
||||
_AudioSegment::Sync(marker) => match &**marker {
|
||||
SyncMarker::Error(msg) => Some(msg.as_str()),
|
||||
_ => None,
|
||||
},
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
/// Convertit l'AudioChunk vers F32 si c'est un chunk audio
|
||||
pub fn to_f32_chunk(&self) -> Option<AudioChunk> {
|
||||
self.as_chunk().map(|chunk| chunk.to_f32())
|
||||
}
|
||||
|
||||
/// Convertit l'AudioChunk vers I32 si c'est un chunk audio
|
||||
pub fn to_i32_chunk(&self) -> Option<AudioChunk> {
|
||||
self.as_chunk().map(|chunk| chunk.to_i32())
|
||||
}
|
||||
|
||||
/// Récupère le sample rate du chunk audio
|
||||
pub fn sample_rate(&self) -> Option<u32> {
|
||||
self.as_chunk().map(|chunk| chunk.sample_rate())
|
||||
}
|
||||
|
||||
/// Récupère le nombre de frames du chunk audio
|
||||
pub fn frame_count(&self) -> Option<usize> {
|
||||
self.as_chunk().map(|chunk| chunk.len())
|
||||
}
|
||||
|
||||
/// Récupère le gain en dB du chunk audio
|
||||
pub fn gain_db(&self) -> Option<f64> {
|
||||
self.as_chunk().map(|chunk| chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Récupère le type du chunk audio (nom du type: "i32", "f32", etc.)
|
||||
pub fn chunk_type_name(&self) -> Option<&'static str> {
|
||||
self.as_chunk().map(|chunk| chunk.type_name())
|
||||
}
|
||||
|
||||
/// Crée un nouveau segment avec le gain modifié (si c'est un chunk audio)
|
||||
pub fn with_gain_db(&self, gain_db: f64) -> Option<Arc<Self>> {
|
||||
self.as_chunk().map(|chunk| {
|
||||
let new_chunk = chunk.set_gain_db(gain_db);
|
||||
Arc::new(Self {
|
||||
order: self.order,
|
||||
timestamp_sec: self.timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(new_chunk)),
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
/// Crée un nouveau segment avec le gain ajusté (relatif, si c'est un chunk audio)
|
||||
pub fn adjust_gain_db(&self, delta_db: f64) -> Option<Arc<Self>> {
|
||||
self.as_chunk().map(|chunk| {
|
||||
let new_gain = chunk.gain_db() + delta_db;
|
||||
let new_chunk = chunk.set_gain_db(new_gain);
|
||||
Arc::new(Self {
|
||||
order: self.order,
|
||||
timestamp_sec: self.timestamp_sec,
|
||||
segment: _AudioSegment::Chunk(Arc::new(new_chunk)),
|
||||
})
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl TryInto<Arc<AudioChunk>> for AudioSegment {
|
||||
type Error = ();
|
||||
|
||||
fn try_into(self) -> Result<Arc<AudioChunk>, Self::Error> {
|
||||
match self.segment {
|
||||
_AudioSegment::Chunk(chunk) => Ok(chunk),
|
||||
_ => Err(()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl TryInto<Arc<SyncMarker>> for AudioSegment {
|
||||
type Error = ();
|
||||
|
||||
fn try_into(self) -> Result<Arc<SyncMarker>, Self::Error> {
|
||||
match self.segment {
|
||||
_AudioSegment::Sync(marker) => Ok(marker),
|
||||
_ => Err(()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> TryInto<&'a Arc<AudioChunk>> for &'a AudioSegment {
|
||||
type Error = ();
|
||||
|
||||
fn try_into(self) -> Result<&'a Arc<AudioChunk>, Self::Error> {
|
||||
match &self.segment {
|
||||
_AudioSegment::Chunk(ref chunk) => Ok(chunk),
|
||||
_ => Err(()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> TryInto<&'a Arc<SyncMarker>> for &'a AudioSegment {
|
||||
type Error = ();
|
||||
|
||||
fn try_into(self) -> Result<&'a Arc<SyncMarker>, Self::Error> {
|
||||
match &self.segment {
|
||||
_AudioSegment::Sync(ref marker) => Ok(marker),
|
||||
_ => Err(()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_audio_segment_accessors() {
|
||||
// Test avec un chunk audio
|
||||
let segment = AudioSegment::new_chunk(
|
||||
42,
|
||||
1.5,
|
||||
vec![[100i32, 200i32], [300i32, 400i32]],
|
||||
48000,
|
||||
BitDepth::B32,
|
||||
);
|
||||
|
||||
assert!(segment.is_audio_chunk());
|
||||
assert!(!segment.is_heartbeat());
|
||||
assert!(segment.as_chunk().is_some());
|
||||
assert!(segment.as_sync_marker().is_none());
|
||||
assert_eq!(segment.sample_rate(), Some(48000));
|
||||
assert_eq!(segment.frame_count(), Some(2));
|
||||
assert_eq!(segment.gain_db(), Some(0.0));
|
||||
assert_eq!(segment.chunk_type_name(), Some("i32"));
|
||||
|
||||
// Test avec un marqueur sync
|
||||
let sync_segment = AudioSegment::new_hearbeat(10, 2.0);
|
||||
assert!(!sync_segment.is_audio_chunk());
|
||||
assert!(sync_segment.is_heartbeat());
|
||||
assert!(sync_segment.as_chunk().is_none());
|
||||
assert!(sync_segment.as_sync_marker().is_some());
|
||||
assert_eq!(sync_segment.sample_rate(), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_audio_segment_gain_manipulation() {
|
||||
let segment = AudioSegment::new_chunk(
|
||||
0,
|
||||
0.0,
|
||||
vec![[100i32, 200i32]],
|
||||
44100,
|
||||
BitDepth::B32,
|
||||
);
|
||||
|
||||
// Test with_gain_db
|
||||
let segment_6db = segment.with_gain_db(6.0).unwrap();
|
||||
assert_eq!(segment_6db.gain_db(), Some(6.0));
|
||||
assert_eq!(segment_6db.order, 0);
|
||||
assert_eq!(segment_6db.timestamp_sec, 0.0);
|
||||
|
||||
// Test adjust_gain_db
|
||||
let segment_plus_3db = segment_6db.adjust_gain_db(3.0).unwrap();
|
||||
assert_eq!(segment_plus_3db.gain_db(), Some(9.0));
|
||||
|
||||
// Test sur un sync marker (devrait retourner None)
|
||||
let sync = AudioSegment::new_hearbeat(1, 1.0);
|
||||
assert!(sync.with_gain_db(6.0).is_none());
|
||||
assert!(sync.adjust_gain_db(3.0).is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_audio_segment_conversions() {
|
||||
let segment = AudioSegment::new_chunk(
|
||||
0,
|
||||
0.0,
|
||||
vec![[1000000i32, 2000000i32]],
|
||||
44100,
|
||||
BitDepth::B32,
|
||||
);
|
||||
|
||||
// Test to_f32_chunk
|
||||
let f32_chunk = segment.to_f32_chunk();
|
||||
assert!(f32_chunk.is_some());
|
||||
assert_eq!(f32_chunk.unwrap().type_name(), "f32");
|
||||
|
||||
// Test to_i32_chunk
|
||||
let i32_chunk = segment.to_i32_chunk();
|
||||
assert!(i32_chunk.is_some());
|
||||
assert_eq!(i32_chunk.unwrap().type_name(), "i32");
|
||||
|
||||
// Test sur un sync marker
|
||||
let sync = AudioSegment::new_hearbeat(1, 1.0);
|
||||
assert!(sync.to_f32_chunk().is_none());
|
||||
assert!(sync.to_i32_chunk().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_audio_segment_error_marker() {
|
||||
let error_msg = "Test error message";
|
||||
let segment = AudioSegment::new_error(5, 2.5, error_msg.to_string());
|
||||
|
||||
assert!(segment.is_error());
|
||||
assert_eq!(segment.as_error(), Some(error_msg));
|
||||
|
||||
// Autre type de segment ne devrait pas être une erreur
|
||||
let sync = AudioSegment::new_hearbeat(1, 1.0);
|
||||
assert!(!sync.is_error());
|
||||
assert_eq!(sync.as_error(), None);
|
||||
}
|
||||
}
|
||||
932
pmoaudio/src/conversions.rs
Normal file
932
pmoaudio/src/conversions.rs
Normal file
@@ -0,0 +1,932 @@
|
||||
//! Conversions entre différents types de AudioChunk
|
||||
//!
|
||||
//! Ce module fournit des conversions optimisées (SIMD où possible) entre
|
||||
//! tous les types de samples audio supportés.
|
||||
|
||||
use std::sync::Arc;
|
||||
|
||||
use crate::{dsp, AudioChunk, AudioChunkData, BitDepth, I24};
|
||||
|
||||
// ============================================================================
|
||||
// Conversions int → int (changement de bit depth)
|
||||
// ============================================================================
|
||||
//
|
||||
// Ces fonctions utilisent la fonction DSP optimisée SIMD `bitdepth_change_stereo`
|
||||
// pour les conversions i32 ↔ i32 avec différents bit depths.
|
||||
|
||||
/// Convertit i32 vers i8 (downsampling via bit depth change)
|
||||
pub fn convert_i32_to_i8(chunk: &AudioChunkData<i32>) -> Arc<AudioChunkData<i8>> {
|
||||
let mut stereo = chunk.clone_frames();
|
||||
|
||||
// Utiliser la fonction DSP optimisée pour passer de B32 → B8
|
||||
dsp::bitdepth_change_stereo(&mut stereo, BitDepth::B32, BitDepth::B8);
|
||||
|
||||
// Convertir i32 → i8 (les valeurs sont maintenant dans la plage i8)
|
||||
let stereo_i8: Vec<[i8; 2]> = stereo
|
||||
.into_iter()
|
||||
.map(|[l, r]| [l as i8, r as i8])
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo_i8, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i32 vers i16 (downsampling via bit depth change)
|
||||
pub fn convert_i32_to_i16(chunk: &AudioChunkData<i32>) -> Arc<AudioChunkData<i16>> {
|
||||
let mut stereo = chunk.clone_frames();
|
||||
|
||||
// Utiliser la fonction DSP optimisée pour passer de B32 → B16
|
||||
dsp::bitdepth_change_stereo(&mut stereo, BitDepth::B32, BitDepth::B16);
|
||||
|
||||
// Convertir i32 → i16 (les valeurs sont maintenant dans la plage i16)
|
||||
let stereo_i16: Vec<[i16; 2]> = stereo
|
||||
.into_iter()
|
||||
.map(|[l, r]| [l as i16, r as i16])
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo_i16, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i32 vers I24 (downsampling via bit depth change)
|
||||
pub fn convert_i32_to_i24(chunk: &AudioChunkData<i32>) -> Arc<AudioChunkData<I24>> {
|
||||
let mut stereo = chunk.clone_frames();
|
||||
|
||||
// Utiliser la fonction DSP optimisée pour passer de B32 → B24
|
||||
dsp::bitdepth_change_stereo(&mut stereo, BitDepth::B32, BitDepth::B24);
|
||||
|
||||
// Convertir i32 → I24 (les valeurs sont maintenant dans la plage I24)
|
||||
let stereo_i24: Vec<[I24; 2]> = stereo
|
||||
.into_iter()
|
||||
.map(|[l, r]| [I24::new_clamped(l), I24::new_clamped(r)])
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo_i24, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i8 vers i32 (upsampling via bit depth change)
|
||||
pub fn convert_i8_to_i32(chunk: &AudioChunkData<i8>) -> Arc<AudioChunkData<i32>> {
|
||||
// Convertir i8 → i32 d'abord
|
||||
let mut stereo: Vec<[i32; 2]> = chunk
|
||||
.frames()
|
||||
.iter()
|
||||
.map(|[l, r]| [*l as i32, *r as i32])
|
||||
.collect();
|
||||
|
||||
// Utiliser la fonction DSP optimisée pour passer de B8 → B32
|
||||
dsp::bitdepth_change_stereo(&mut stereo, BitDepth::B8, BitDepth::B32);
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i16 vers i32 (upsampling via bit depth change)
|
||||
pub fn convert_i16_to_i32(chunk: &AudioChunkData<i16>) -> Arc<AudioChunkData<i32>> {
|
||||
// Convertir i16 → i32 d'abord
|
||||
let mut stereo: Vec<[i32; 2]> = chunk
|
||||
.frames()
|
||||
.iter()
|
||||
.map(|[l, r]| [*l as i32, *r as i32])
|
||||
.collect();
|
||||
|
||||
// Utiliser la fonction DSP optimisée pour passer de B16 → B32
|
||||
dsp::bitdepth_change_stereo(&mut stereo, BitDepth::B16, BitDepth::B32);
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit I24 vers i32 (upsampling via bit depth change)
|
||||
pub fn convert_i24_to_i32(chunk: &AudioChunkData<I24>) -> Arc<AudioChunkData<i32>> {
|
||||
// Convertir I24 → i32 d'abord
|
||||
let mut stereo: Vec<[i32; 2]> = chunk
|
||||
.frames()
|
||||
.iter()
|
||||
.map(|[l, r]| [l.as_i32(), r.as_i32()])
|
||||
.collect();
|
||||
|
||||
// Utiliser la fonction DSP optimisée pour passer de B24 → B32
|
||||
dsp::bitdepth_change_stereo(&mut stereo, BitDepth::B24, BitDepth::B32);
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Conversions int → float (normalisation)
|
||||
// ============================================================================
|
||||
|
||||
/// Convertit i32 vers f32 via les fonctions DSP optimisées SIMD
|
||||
///
|
||||
/// I32 = 32 bits complets, donc normalisation par 2^31
|
||||
pub fn convert_i32_to_f32(chunk: &AudioChunkData<i32>) -> Arc<AudioChunkData<f32>> {
|
||||
let frames = chunk.frames();
|
||||
let len = frames.len();
|
||||
|
||||
// Séparer les canaux pour utiliser les fonctions DSP SIMD
|
||||
let mut left = Vec::with_capacity(len);
|
||||
let mut right = Vec::with_capacity(len);
|
||||
for [l, r] in frames {
|
||||
left.push(*l);
|
||||
right.push(*r);
|
||||
}
|
||||
|
||||
// Utiliser la fonction SIMD optimisée du module DSP avec BitDepth::B32
|
||||
let mut out_pairs = vec![[0.0f32; 2]; len];
|
||||
dsp::i32_stereo_to_pairs_f32(&left, &right, &mut out_pairs, BitDepth::B32);
|
||||
|
||||
AudioChunkData::new(out_pairs, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i32 vers f64
|
||||
///
|
||||
/// I32 = 32 bits complets, donc normalisation par 2^31
|
||||
pub fn convert_i32_to_f64(chunk: &AudioChunkData<i32>) -> Arc<AudioChunkData<f64>> {
|
||||
// Via f32 puis upcast
|
||||
let f32_chunk = convert_i32_to_f32(chunk);
|
||||
convert_f32_to_f64(&f32_chunk)
|
||||
}
|
||||
|
||||
/// Convertit I24 vers f32
|
||||
pub fn convert_i24_to_f32(chunk: &AudioChunkData<I24>) -> Arc<AudioChunkData<f32>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 8_388_608.0f32; // 2^23
|
||||
|
||||
let stereo: Vec<[f32; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let lf = l.as_i32() as f32 / max_value;
|
||||
let rf = r.as_i32() as f32 / max_value;
|
||||
[lf, rf]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit I24 vers f64
|
||||
pub fn convert_i24_to_f64(chunk: &AudioChunkData<I24>) -> Arc<AudioChunkData<f64>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 8_388_608.0f64; // 2^23
|
||||
|
||||
let stereo: Vec<[f64; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let lf = l.as_i32() as f64 / max_value;
|
||||
let rf = r.as_i32() as f64 / max_value;
|
||||
[lf, rf]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i16 vers f32
|
||||
pub fn convert_i16_to_f32(chunk: &AudioChunkData<i16>) -> Arc<AudioChunkData<f32>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 32_768.0f32; // 2^15
|
||||
|
||||
let stereo: Vec<[f32; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let lf = *l as f32 / max_value;
|
||||
let rf = *r as f32 / max_value;
|
||||
[lf, rf]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i16 vers f64
|
||||
pub fn convert_i16_to_f64(chunk: &AudioChunkData<i16>) -> Arc<AudioChunkData<f64>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 32_768.0f64; // 2^15
|
||||
|
||||
let stereo: Vec<[f64; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let lf = *l as f64 / max_value;
|
||||
let rf = *r as f64 / max_value;
|
||||
[lf, rf]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i8 vers f32
|
||||
pub fn convert_i8_to_f32(chunk: &AudioChunkData<i8>) -> Arc<AudioChunkData<f32>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 128.0f32; // 2^7
|
||||
|
||||
let stereo: Vec<[f32; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let lf = *l as f32 / max_value;
|
||||
let rf = *r as f32 / max_value;
|
||||
[lf, rf]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit i8 vers f64
|
||||
pub fn convert_i8_to_f64(chunk: &AudioChunkData<i8>) -> Arc<AudioChunkData<f64>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 128.0f64; // 2^7
|
||||
|
||||
let stereo: Vec<[f64; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let lf = *l as f64 / max_value;
|
||||
let rf = *r as f64 / max_value;
|
||||
[lf, rf]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Conversions float → int (quantization)
|
||||
// ============================================================================
|
||||
|
||||
/// Convertit f32 vers i32 via les fonctions DSP optimisées SIMD
|
||||
///
|
||||
/// I32 = 32 bits complets, donc quantization vers ±2^31
|
||||
pub fn convert_f32_to_i32(chunk: &AudioChunkData<f32>) -> Arc<AudioChunkData<i32>> {
|
||||
let frames = chunk.frames();
|
||||
let len = frames.len();
|
||||
|
||||
// Utiliser la fonction SIMD optimisée du module DSP avec BitDepth::B32
|
||||
let mut left = vec![0i32; len];
|
||||
let mut right = vec![0i32; len];
|
||||
dsp::pairs_f32_to_i32_stereo(frames, &mut left, &mut right, BitDepth::B32);
|
||||
|
||||
// Recombiner en frames
|
||||
let stereo: Vec<[i32; 2]> = left
|
||||
.into_iter()
|
||||
.zip(right.into_iter())
|
||||
.map(|(l, r)| [l, r])
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit f64 vers i32 (via f32)
|
||||
///
|
||||
/// I32 = 32 bits complets, donc quantization vers ±2^31
|
||||
pub fn convert_f64_to_i32(chunk: &AudioChunkData<f64>) -> Arc<AudioChunkData<i32>> {
|
||||
// Downcast f64 → f32 puis quantize
|
||||
let f32_chunk = convert_f64_to_f32(chunk);
|
||||
convert_f32_to_i32(&f32_chunk)
|
||||
}
|
||||
|
||||
/// Convertit f32 vers I24
|
||||
pub fn convert_f32_to_i24(chunk: &AudioChunkData<f32>) -> Arc<AudioChunkData<I24>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 8_388_607.0f32; // 2^23 - 1
|
||||
let min_value = -8_388_608.0f32; // -2^23
|
||||
|
||||
let stereo: Vec<[I24; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let l_scaled = (l * max_value).clamp(min_value, max_value).round() as i32;
|
||||
let r_scaled = (r * max_value).clamp(min_value, max_value).round() as i32;
|
||||
[I24::new_clamped(l_scaled), I24::new_clamped(r_scaled)]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit f64 vers I24
|
||||
pub fn convert_f64_to_i24(chunk: &AudioChunkData<f64>) -> Arc<AudioChunkData<I24>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 8_388_607.0f64; // 2^23 - 1
|
||||
let min_value = -8_388_608.0f64; // -2^23
|
||||
|
||||
let stereo: Vec<[I24; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let l_scaled = (l * max_value).clamp(min_value, max_value).round() as i32;
|
||||
let r_scaled = (r * max_value).clamp(min_value, max_value).round() as i32;
|
||||
[I24::new_clamped(l_scaled), I24::new_clamped(r_scaled)]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit f32 vers i16
|
||||
pub fn convert_f32_to_i16(chunk: &AudioChunkData<f32>) -> Arc<AudioChunkData<i16>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 32_767.0f32; // 2^15 - 1
|
||||
let min_value = -32_768.0f32; // -2^15
|
||||
|
||||
let stereo: Vec<[i16; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let l16 = (l * max_value).clamp(min_value, max_value).round() as i16;
|
||||
let r16 = (r * max_value).clamp(min_value, max_value).round() as i16;
|
||||
[l16, r16]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit f64 vers i16
|
||||
pub fn convert_f64_to_i16(chunk: &AudioChunkData<f64>) -> Arc<AudioChunkData<i16>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 32_767.0f64; // 2^15 - 1
|
||||
let min_value = -32_768.0f64; // -2^15
|
||||
|
||||
let stereo: Vec<[i16; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let l16 = (l * max_value).clamp(min_value, max_value).round() as i16;
|
||||
let r16 = (r * max_value).clamp(min_value, max_value).round() as i16;
|
||||
[l16, r16]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit f32 vers i8
|
||||
pub fn convert_f32_to_i8(chunk: &AudioChunkData<f32>) -> Arc<AudioChunkData<i8>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 127.0f32; // 2^7 - 1
|
||||
let min_value = -128.0f32; // -2^7
|
||||
|
||||
let stereo: Vec<[i8; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let l8 = (l * max_value).clamp(min_value, max_value).round() as i8;
|
||||
let r8 = (r * max_value).clamp(min_value, max_value).round() as i8;
|
||||
[l8, r8]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit f64 vers i8
|
||||
pub fn convert_f64_to_i8(chunk: &AudioChunkData<f64>) -> Arc<AudioChunkData<i8>> {
|
||||
let frames = chunk.frames();
|
||||
let max_value = 127.0f64; // 2^7 - 1
|
||||
let min_value = -128.0f64; // -2^7
|
||||
|
||||
let stereo: Vec<[i8; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| {
|
||||
let l8 = (l * max_value).clamp(min_value, max_value).round() as i8;
|
||||
let r8 = (r * max_value).clamp(min_value, max_value).round() as i8;
|
||||
[l8, r8]
|
||||
})
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Conversions F32 ↔ F64
|
||||
// ============================================================================
|
||||
|
||||
/// Convertit f32 vers f64 (upcast simple)
|
||||
pub fn convert_f32_to_f64(chunk: &AudioChunkData<f32>) -> Arc<AudioChunkData<f64>> {
|
||||
let frames = chunk.frames();
|
||||
let stereo: Vec<[f64; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| [*l as f64, *r as f64])
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
/// Convertit f64 vers f32 (downcast simple)
|
||||
pub fn convert_f64_to_f32(chunk: &AudioChunkData<f64>) -> Arc<AudioChunkData<f32>> {
|
||||
let frames = chunk.frames();
|
||||
let stereo: Vec<[f32; 2]> = frames
|
||||
.iter()
|
||||
.map(|[l, r]| [*l as f32, *r as f32])
|
||||
.collect();
|
||||
|
||||
AudioChunkData::new(stereo, chunk.sample_rate(), chunk.gain_db())
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Méthodes de conversion sur AudioChunk enum
|
||||
// ============================================================================
|
||||
|
||||
impl AudioChunk {
|
||||
/// Convertit ce chunk vers f32
|
||||
///
|
||||
/// Chaque type utilise sa plage native (I8=±2^7, I16=±2^15, I24=±2^23, I32=±2^31)
|
||||
pub fn to_f32(&self) -> AudioChunk {
|
||||
match self {
|
||||
AudioChunk::I8(d) => AudioChunk::F32(convert_i8_to_f32(d)),
|
||||
AudioChunk::I16(d) => AudioChunk::F32(convert_i16_to_f32(d)),
|
||||
AudioChunk::I24(d) => AudioChunk::F32(convert_i24_to_f32(d)),
|
||||
AudioChunk::I32(d) => AudioChunk::F32(convert_i32_to_f32(d)),
|
||||
AudioChunk::F32(d) => AudioChunk::F32(d.clone()),
|
||||
AudioChunk::F64(d) => AudioChunk::F32(convert_f64_to_f32(d)),
|
||||
}
|
||||
}
|
||||
|
||||
/// Convertit ce chunk vers f64
|
||||
///
|
||||
/// Chaque type utilise sa plage native (I8=±2^7, I16=±2^15, I24=±2^23, I32=±2^31)
|
||||
pub fn to_f64(&self) -> AudioChunk {
|
||||
match self {
|
||||
AudioChunk::I8(d) => AudioChunk::F64(convert_i8_to_f64(d)),
|
||||
AudioChunk::I16(d) => AudioChunk::F64(convert_i16_to_f64(d)),
|
||||
AudioChunk::I24(d) => AudioChunk::F64(convert_i24_to_f64(d)),
|
||||
AudioChunk::I32(d) => AudioChunk::F64(convert_i32_to_f64(d)),
|
||||
AudioChunk::F32(d) => AudioChunk::F64(convert_f32_to_f64(d)),
|
||||
AudioChunk::F64(d) => AudioChunk::F64(d.clone()),
|
||||
}
|
||||
}
|
||||
|
||||
/// Convertit ce chunk vers i32
|
||||
///
|
||||
/// I32 = 32 bits complets (±2^31)
|
||||
pub fn to_i32(&self) -> AudioChunk {
|
||||
match self {
|
||||
AudioChunk::I8(d) => AudioChunk::I32(convert_i8_to_i32(d)),
|
||||
AudioChunk::I16(d) => AudioChunk::I32(convert_i16_to_i32(d)),
|
||||
AudioChunk::I24(d) => AudioChunk::I32(convert_i24_to_i32(d)),
|
||||
AudioChunk::I32(d) => AudioChunk::I32(d.clone()),
|
||||
AudioChunk::F32(d) => AudioChunk::I32(convert_f32_to_i32(d)),
|
||||
AudioChunk::F64(d) => AudioChunk::I32(convert_f64_to_i32(d)),
|
||||
}
|
||||
}
|
||||
|
||||
/// Convertit ce chunk vers I24
|
||||
pub fn to_i24(&self) -> AudioChunk {
|
||||
match self {
|
||||
AudioChunk::I8(d) => {
|
||||
// I8 → I32 → I24
|
||||
let i32_chunk = convert_i8_to_i32(d);
|
||||
AudioChunk::I24(convert_i32_to_i24(&i32_chunk))
|
||||
}
|
||||
AudioChunk::I16(d) => {
|
||||
// I16 → I32 → I24
|
||||
let i32_chunk = convert_i16_to_i32(d);
|
||||
AudioChunk::I24(convert_i32_to_i24(&i32_chunk))
|
||||
}
|
||||
AudioChunk::I24(d) => AudioChunk::I24(d.clone()),
|
||||
AudioChunk::I32(d) => AudioChunk::I24(convert_i32_to_i24(d)),
|
||||
AudioChunk::F32(d) => AudioChunk::I24(convert_f32_to_i24(d)),
|
||||
AudioChunk::F64(d) => AudioChunk::I24(convert_f64_to_i24(d)),
|
||||
}
|
||||
}
|
||||
|
||||
/// Convertit ce chunk vers i16
|
||||
pub fn to_i16(&self) -> AudioChunk {
|
||||
match self {
|
||||
AudioChunk::I8(d) => {
|
||||
// I8 → I32 → I16
|
||||
let i32_chunk = convert_i8_to_i32(d);
|
||||
AudioChunk::I16(convert_i32_to_i16(&i32_chunk))
|
||||
}
|
||||
AudioChunk::I16(d) => AudioChunk::I16(d.clone()),
|
||||
AudioChunk::I24(d) => {
|
||||
// I24 → I32 → I16
|
||||
let i32_chunk = convert_i24_to_i32(d);
|
||||
AudioChunk::I16(convert_i32_to_i16(&i32_chunk))
|
||||
}
|
||||
AudioChunk::I32(d) => AudioChunk::I16(convert_i32_to_i16(d)),
|
||||
AudioChunk::F32(d) => AudioChunk::I16(convert_f32_to_i16(d)),
|
||||
AudioChunk::F64(d) => AudioChunk::I16(convert_f64_to_i16(d)),
|
||||
}
|
||||
}
|
||||
|
||||
/// Convertit ce chunk vers i8
|
||||
pub fn to_i8(&self) -> AudioChunk {
|
||||
match self {
|
||||
AudioChunk::I8(d) => AudioChunk::I8(d.clone()),
|
||||
AudioChunk::I16(d) => {
|
||||
// I16 → I32 → I8
|
||||
let i32_chunk = convert_i16_to_i32(d);
|
||||
AudioChunk::I8(convert_i32_to_i8(&i32_chunk))
|
||||
}
|
||||
AudioChunk::I24(d) => {
|
||||
// I24 → I32 → I8
|
||||
let i32_chunk = convert_i24_to_i32(d);
|
||||
AudioChunk::I8(convert_i32_to_i8(&i32_chunk))
|
||||
}
|
||||
AudioChunk::I32(d) => AudioChunk::I8(convert_i32_to_i8(d)),
|
||||
AudioChunk::F32(d) => AudioChunk::I8(convert_f32_to_i8(d)),
|
||||
AudioChunk::F64(d) => AudioChunk::I8(convert_f64_to_i8(d)),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Implémentations des traits From/Into
|
||||
// ============================================================================
|
||||
|
||||
// ---------- From<Arc<AudioChunkData<T>>> pour AudioChunk ----------
|
||||
|
||||
impl From<Arc<AudioChunkData<i8>>> for AudioChunk {
|
||||
fn from(data: Arc<AudioChunkData<i8>>) -> Self {
|
||||
AudioChunk::I8(data)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Arc<AudioChunkData<i16>>> for AudioChunk {
|
||||
fn from(data: Arc<AudioChunkData<i16>>) -> Self {
|
||||
AudioChunk::I16(data)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Arc<AudioChunkData<I24>>> for AudioChunk {
|
||||
fn from(data: Arc<AudioChunkData<I24>>) -> Self {
|
||||
AudioChunk::I24(data)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Arc<AudioChunkData<i32>>> for AudioChunk {
|
||||
fn from(data: Arc<AudioChunkData<i32>>) -> Self {
|
||||
AudioChunk::I32(data)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Arc<AudioChunkData<f32>>> for AudioChunk {
|
||||
fn from(data: Arc<AudioChunkData<f32>>) -> Self {
|
||||
AudioChunk::F32(data)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Arc<AudioChunkData<f64>>> for AudioChunk {
|
||||
fn from(data: Arc<AudioChunkData<f64>>) -> Self {
|
||||
AudioChunk::F64(data)
|
||||
}
|
||||
}
|
||||
|
||||
// ---------- From entre AudioChunkData types (sans BitDepth requis) ----------
|
||||
|
||||
// I8 conversions
|
||||
impl From<&AudioChunkData<i8>> for Arc<AudioChunkData<i32>> {
|
||||
fn from(chunk: &AudioChunkData<i8>) -> Self {
|
||||
convert_i8_to_i32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<i8>> for Arc<AudioChunkData<f32>> {
|
||||
fn from(chunk: &AudioChunkData<i8>) -> Self {
|
||||
convert_i8_to_f32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<i8>> for Arc<AudioChunkData<f64>> {
|
||||
fn from(chunk: &AudioChunkData<i8>) -> Self {
|
||||
convert_i8_to_f64(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
// I16 conversions
|
||||
impl From<&AudioChunkData<i16>> for Arc<AudioChunkData<i32>> {
|
||||
fn from(chunk: &AudioChunkData<i16>) -> Self {
|
||||
convert_i16_to_i32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<i16>> for Arc<AudioChunkData<f32>> {
|
||||
fn from(chunk: &AudioChunkData<i16>) -> Self {
|
||||
convert_i16_to_f32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<i16>> for Arc<AudioChunkData<f64>> {
|
||||
fn from(chunk: &AudioChunkData<i16>) -> Self {
|
||||
convert_i16_to_f64(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
// I24 conversions
|
||||
impl From<&AudioChunkData<I24>> for Arc<AudioChunkData<i32>> {
|
||||
fn from(chunk: &AudioChunkData<I24>) -> Self {
|
||||
convert_i24_to_i32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<I24>> for Arc<AudioChunkData<f32>> {
|
||||
fn from(chunk: &AudioChunkData<I24>) -> Self {
|
||||
convert_i24_to_f32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<I24>> for Arc<AudioChunkData<f64>> {
|
||||
fn from(chunk: &AudioChunkData<I24>) -> Self {
|
||||
convert_i24_to_f64(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
// I32 conversions vers types int (downsampling)
|
||||
impl From<&AudioChunkData<i32>> for Arc<AudioChunkData<i8>> {
|
||||
fn from(chunk: &AudioChunkData<i32>) -> Self {
|
||||
convert_i32_to_i8(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<i32>> for Arc<AudioChunkData<i16>> {
|
||||
fn from(chunk: &AudioChunkData<i32>) -> Self {
|
||||
convert_i32_to_i16(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<i32>> for Arc<AudioChunkData<I24>> {
|
||||
fn from(chunk: &AudioChunkData<i32>) -> Self {
|
||||
convert_i32_to_i24(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
// I32 conversions vers float (normalisation par 2^31)
|
||||
impl From<&AudioChunkData<i32>> for Arc<AudioChunkData<f32>> {
|
||||
fn from(chunk: &AudioChunkData<i32>) -> Self {
|
||||
convert_i32_to_f32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<i32>> for Arc<AudioChunkData<f64>> {
|
||||
fn from(chunk: &AudioChunkData<i32>) -> Self {
|
||||
convert_i32_to_f64(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
// F32 conversions
|
||||
impl From<&AudioChunkData<f32>> for Arc<AudioChunkData<f64>> {
|
||||
fn from(chunk: &AudioChunkData<f32>) -> Self {
|
||||
convert_f32_to_f64(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f32>> for Arc<AudioChunkData<i8>> {
|
||||
fn from(chunk: &AudioChunkData<f32>) -> Self {
|
||||
convert_f32_to_i8(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f32>> for Arc<AudioChunkData<i16>> {
|
||||
fn from(chunk: &AudioChunkData<f32>) -> Self {
|
||||
convert_f32_to_i16(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f32>> for Arc<AudioChunkData<I24>> {
|
||||
fn from(chunk: &AudioChunkData<f32>) -> Self {
|
||||
convert_f32_to_i24(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f32>> for Arc<AudioChunkData<i32>> {
|
||||
fn from(chunk: &AudioChunkData<f32>) -> Self {
|
||||
convert_f32_to_i32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
// F64 conversions
|
||||
impl From<&AudioChunkData<f64>> for Arc<AudioChunkData<f32>> {
|
||||
fn from(chunk: &AudioChunkData<f64>) -> Self {
|
||||
convert_f64_to_f32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f64>> for Arc<AudioChunkData<i8>> {
|
||||
fn from(chunk: &AudioChunkData<f64>) -> Self {
|
||||
convert_f64_to_i8(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f64>> for Arc<AudioChunkData<i16>> {
|
||||
fn from(chunk: &AudioChunkData<f64>) -> Self {
|
||||
convert_f64_to_i16(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f64>> for Arc<AudioChunkData<I24>> {
|
||||
fn from(chunk: &AudioChunkData<f64>) -> Self {
|
||||
convert_f64_to_i24(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<&AudioChunkData<f64>> for Arc<AudioChunkData<i32>> {
|
||||
fn from(chunk: &AudioChunkData<f64>) -> Self {
|
||||
convert_f64_to_i32(chunk)
|
||||
}
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Tests
|
||||
// ============================================================================
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_i32_to_f32_roundtrip() {
|
||||
let stereo = vec![[1_000_000_000i32, 2_000_000_000i32]; 100];
|
||||
let chunk_i32 = AudioChunkData::new(stereo.clone(), 48_000, 0.0);
|
||||
|
||||
let chunk_f32 = convert_i32_to_f32(&chunk_i32);
|
||||
let chunk_back = convert_f32_to_i32(&chunk_f32);
|
||||
|
||||
// Vérifier que les valeurs sont proches (tolérance d'arrondi)
|
||||
// Note: Pour I32 on utilise toute la plage ±2^31
|
||||
for (orig, back) in stereo.iter().zip(chunk_back.frames().iter()) {
|
||||
assert!((orig[0] - back[0]).abs() <= 100); // Tolérance plus élevée pour 32-bit
|
||||
assert!((orig[1] - back[1]).abs() <= 100);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_f32_to_f64_roundtrip() {
|
||||
let stereo = vec![[0.5f32, -0.25f32]; 100];
|
||||
let chunk_f32 = AudioChunkData::new(stereo.clone(), 48_000, 0.0);
|
||||
|
||||
let chunk_f64 = convert_f32_to_f64(&chunk_f32);
|
||||
let chunk_back = convert_f64_to_f32(&chunk_f64);
|
||||
|
||||
// Vérifier égalité exacte (pas de perte de précision significative)
|
||||
for (orig, back) in stereo.iter().zip(chunk_back.frames().iter()) {
|
||||
assert!((orig[0] - back[0]).abs() < 1e-6);
|
||||
assert!((orig[1] - back[1]).abs() < 1e-6);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i16_to_i32_upsampling() {
|
||||
let stereo = vec![[16_000i16, -8_000i16]; 10];
|
||||
let chunk_i16 = AudioChunkData::new(stereo.clone(), 48_000, 0.0);
|
||||
|
||||
let chunk_i32 = convert_i16_to_i32(&chunk_i16);
|
||||
|
||||
// Vérifier que les valeurs sont correctement upsamplées (shift de 16 bits)
|
||||
for (orig, result) in stereo.iter().zip(chunk_i32.frames().iter()) {
|
||||
assert_eq!(result[0], (orig[0] as i32) << 16);
|
||||
assert_eq!(result[1], (orig[1] as i32) << 16);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i32_to_i16_downsampling() {
|
||||
let stereo = vec![[1_000_000i32 << 16, -500_000i32 << 16]; 10];
|
||||
let chunk_i32 = AudioChunkData::new(stereo.clone(), 48_000, 0.0);
|
||||
|
||||
let chunk_i16 = convert_i32_to_i16(&chunk_i32);
|
||||
|
||||
// Vérifier que les valeurs sont correctement downsamplées
|
||||
for (orig, result) in stereo.iter().zip(chunk_i16.frames().iter()) {
|
||||
assert_eq!(result[0], (orig[0] >> 16) as i16);
|
||||
assert_eq!(result[1], (orig[1] >> 16) as i16);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i24_conversions() {
|
||||
let stereo = vec![
|
||||
[I24::new(1_000_000).unwrap(), I24::new(-500_000).unwrap()];
|
||||
10
|
||||
];
|
||||
let chunk_i24 = AudioChunkData::new(stereo.clone(), 48_000, 0.0);
|
||||
|
||||
// I24 → F32 → I24
|
||||
let chunk_f32 = convert_i24_to_f32(&chunk_i24);
|
||||
let chunk_back = convert_f32_to_i24(&chunk_f32);
|
||||
|
||||
for (orig, back) in stereo.iter().zip(chunk_back.frames().iter()) {
|
||||
assert!((orig[0].as_i32() - back[0].as_i32()).abs() <= 1);
|
||||
assert!((orig[1].as_i32() - back[1].as_i32()).abs() <= 1);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_audio_chunk_enum_conversions() {
|
||||
// Créer un chunk I32
|
||||
let stereo = vec![[1_000_000_000i32, -500_000_000i32]; 100];
|
||||
let chunk_data = AudioChunkData::new(stereo, 48_000, 0.0);
|
||||
let chunk = AudioChunk::I32(chunk_data);
|
||||
|
||||
// Convertir vers F32 (I32 utilise plage complète ±2^31)
|
||||
let chunk_f32 = chunk.to_f32();
|
||||
assert_eq!(chunk_f32.type_name(), "f32");
|
||||
|
||||
// Convertir vers I24
|
||||
let chunk_i24 = chunk.to_i24();
|
||||
assert_eq!(chunk_i24.type_name(), "I24");
|
||||
|
||||
// Convertir vers I16
|
||||
let chunk_i16 = chunk.to_i16();
|
||||
assert_eq!(chunk_i16.type_name(), "i16");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_from_trait_audio_chunk() {
|
||||
// Test From<Arc<AudioChunkData<T>>> pour AudioChunk
|
||||
let stereo_f32 = vec![[0.5f32, -0.25f32]; 100];
|
||||
let chunk_data = AudioChunkData::new(stereo_f32, 48_000, 0.0);
|
||||
|
||||
// Utiliser From/Into
|
||||
let chunk: AudioChunk = chunk_data.into();
|
||||
assert_eq!(chunk.type_name(), "f32");
|
||||
assert_eq!(chunk.len(), 100);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_from_trait_conversions() {
|
||||
// Test From entre AudioChunkData types
|
||||
let stereo_i16 = vec![[16_000i16, -8_000i16]; 50];
|
||||
let chunk_i16 = AudioChunkData::new(stereo_i16, 48_000, 0.0);
|
||||
|
||||
// I16 → I32 via From
|
||||
let chunk_i32: Arc<AudioChunkData<i32>> = (&*chunk_i16).into();
|
||||
assert_eq!(chunk_i32.len(), 50);
|
||||
|
||||
// I16 → F32 via From
|
||||
let chunk_f32: Arc<AudioChunkData<f32>> = (&*chunk_i16).into();
|
||||
assert_eq!(chunk_f32.len(), 50);
|
||||
|
||||
// I16 → F64 via From
|
||||
let chunk_f64: Arc<AudioChunkData<f64>> = (&*chunk_i16).into();
|
||||
assert_eq!(chunk_f64.len(), 50);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_from_trait_i24() {
|
||||
// Test conversions I24 via From
|
||||
let stereo_i24 = vec![
|
||||
[I24::new(1_000_000).unwrap(), I24::new(-500_000).unwrap()];
|
||||
50
|
||||
];
|
||||
let chunk_i24 = AudioChunkData::new(stereo_i24, 48_000, 0.0);
|
||||
|
||||
// I24 → I32 via From
|
||||
let chunk_i32: Arc<AudioChunkData<i32>> = (&*chunk_i24).into();
|
||||
assert_eq!(chunk_i32.len(), 50);
|
||||
|
||||
// I24 → F32 via From
|
||||
let chunk_f32: Arc<AudioChunkData<f32>> = (&*chunk_i24).into();
|
||||
assert_eq!(chunk_f32.len(), 50);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_from_trait_float_conversions() {
|
||||
// Test conversions float via From
|
||||
let stereo_f32 = vec![[0.5f32, -0.25f32]; 50];
|
||||
let chunk_f32 = AudioChunkData::new(stereo_f32, 48_000, 0.0);
|
||||
|
||||
// F32 → F64 via From
|
||||
let chunk_f64: Arc<AudioChunkData<f64>> = (&*chunk_f32).into();
|
||||
assert_eq!(chunk_f64.len(), 50);
|
||||
|
||||
// F32 → I16 via From
|
||||
let chunk_i16: Arc<AudioChunkData<i16>> = (&*chunk_f32).into();
|
||||
assert_eq!(chunk_i16.len(), 50);
|
||||
|
||||
// F32 → I24 via From
|
||||
let chunk_i24: Arc<AudioChunkData<I24>> = (&*chunk_f32).into();
|
||||
assert_eq!(chunk_i24.len(), 50);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_from_trait_roundtrip() {
|
||||
// Test round-trip I24 → F32 → I24 via From
|
||||
let original = vec![
|
||||
[I24::new(1_000_000).unwrap(), I24::new(-500_000).unwrap()];
|
||||
10
|
||||
];
|
||||
let chunk_i24 = AudioChunkData::new(original.clone(), 48_000, 0.0);
|
||||
|
||||
// I24 → F32 via From
|
||||
let chunk_f32: Arc<AudioChunkData<f32>> = (&*chunk_i24).into();
|
||||
|
||||
// F32 → I24 via From
|
||||
let chunk_back: Arc<AudioChunkData<I24>> = (&*chunk_f32).into();
|
||||
|
||||
// Vérifier la précision
|
||||
for (orig, back) in original.iter().zip(chunk_back.frames().iter()) {
|
||||
assert!((orig[0].as_i32() - back[0].as_i32()).abs() <= 1);
|
||||
assert!((orig[1].as_i32() - back[1].as_i32()).abs() <= 1);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_from_trait_i32_conversions() {
|
||||
// Test conversions I32 via From (maintenant disponibles!)
|
||||
let stereo_i32 = vec![[1_000_000_000i32, -500_000_000i32]; 50];
|
||||
let chunk_i32 = AudioChunkData::new(stereo_i32, 48_000, 0.0);
|
||||
|
||||
// I32 → F32 via From (normalisation par 2^31)
|
||||
let chunk_f32: Arc<AudioChunkData<f32>> = (&*chunk_i32).into();
|
||||
assert_eq!(chunk_f32.len(), 50);
|
||||
|
||||
// I32 → F64 via From
|
||||
let chunk_f64: Arc<AudioChunkData<f64>> = (&*chunk_i32).into();
|
||||
assert_eq!(chunk_f64.len(), 50);
|
||||
|
||||
// F32 → I32 via From (quantization vers 2^31)
|
||||
let chunk_back_i32: Arc<AudioChunkData<i32>> = (&*chunk_f32).into();
|
||||
assert_eq!(chunk_back_i32.len(), 50);
|
||||
}
|
||||
}
|
||||
@@ -1,48 +1,20 @@
|
||||
use bytemuck::{cast_slice, cast_slice_mut};
|
||||
use crate::BitDepth;
|
||||
|
||||
#[cfg(feature = "simd")]
|
||||
use std::simd::num::{SimdFloat, SimdInt};
|
||||
#[cfg(feature = "simd")]
|
||||
use std::simd::{Simd, StdFloat};
|
||||
|
||||
/// Génère une implémentation de `BitDepth` pour une profondeur donnée.
|
||||
/// Exemple :
|
||||
/// ```ignore
|
||||
/// use pmoaudio::dsp::int_float::{BitDepth, BitMax};
|
||||
///
|
||||
/// BitMax!(8);
|
||||
/// assert_eq!(<Bit8 as BitDepth>::MAX_VALUE, 127.0);
|
||||
/// ```
|
||||
macro_rules! BitMax {
|
||||
($bits:literal) => {
|
||||
paste::paste! {
|
||||
pub struct [<Bit $bits>];
|
||||
|
||||
impl BitDepth for [<Bit $bits>] {
|
||||
const MAX_VALUE: f32 = ((1u32 << ($bits - 1)) as f32) - 1.0;
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
pub trait BitDepth {
|
||||
const MAX_VALUE: f32; // Valeur max pour normaliser vers [-1.0, +1.0]
|
||||
}
|
||||
|
||||
// Définir automatiquement les bit-depths
|
||||
BitMax!(8);
|
||||
BitMax!(16);
|
||||
BitMax!(24);
|
||||
BitMax!(32);
|
||||
|
||||
/* ====================== CŒURS CANONIQUES EN AoS ====================== */
|
||||
|
||||
// i32 L/R -> [[f32;2]]
|
||||
// i32 L/R -> [[f32;2]] - version interne avec constante compile-time
|
||||
#[cfg(feature = "simd")]
|
||||
pub fn i32_stereo_to_pairs_f32<B: BitDepth>(
|
||||
fn i32_stereo_to_pairs_f32_inner(
|
||||
left: &[i32],
|
||||
right: &[i32],
|
||||
out_pairs: &mut [[f32; 2]],
|
||||
max_value: f32,
|
||||
) {
|
||||
debug_assert_eq!(left.len(), right.len());
|
||||
debug_assert_eq!(out_pairs.len(), left.len());
|
||||
@@ -51,7 +23,7 @@ pub fn i32_stereo_to_pairs_f32<B: BitDepth>(
|
||||
type Vf32 = Simd<f32, LANES>;
|
||||
type Vi32 = Simd<i32, LANES>;
|
||||
|
||||
let scale = Vf32::splat(1.0 / B::MAX_VALUE);
|
||||
let scale = Vf32::splat(1.0 / max_value);
|
||||
|
||||
let (l_chunks, l_tail) = left.as_chunks::<LANES>();
|
||||
let (r_chunks, r_tail) = right.as_chunks::<LANES>();
|
||||
@@ -69,47 +41,59 @@ pub fn i32_stereo_to_pairs_f32<B: BitDepth>(
|
||||
}
|
||||
}
|
||||
|
||||
let scale_scalar = 1.0 / max_value;
|
||||
for (dst, (&l, &r)) in o_tail.iter_mut().zip(l_tail.iter().zip(r_tail.iter())) {
|
||||
dst[0] = l as f32 * (1.0 / B::MAX_VALUE);
|
||||
dst[1] = r as f32 * (1.0 / B::MAX_VALUE);
|
||||
dst[0] = l as f32 * scale_scalar;
|
||||
dst[1] = r as f32 * scale_scalar;
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(not(feature = "simd"))]
|
||||
pub fn i32_stereo_to_pairs_f32<B: BitDepth>(
|
||||
fn i32_stereo_to_pairs_f32_inner(
|
||||
left: &[i32],
|
||||
right: &[i32],
|
||||
out_pairs: &mut [[f32; 2]],
|
||||
max_value: f32,
|
||||
) {
|
||||
debug_assert_eq!(left.len(), right.len());
|
||||
debug_assert_eq!(out_pairs.len(), left.len());
|
||||
|
||||
let scale = 1.0 / B::MAX_VALUE;
|
||||
let scale = 1.0 / max_value;
|
||||
for ((out, &l), &r) in out_pairs.iter_mut().zip(left).zip(right) {
|
||||
out[0] = l as f32 * scale;
|
||||
out[1] = r as f32 * scale;
|
||||
}
|
||||
}
|
||||
|
||||
// [[f32;2]] -> i32 L/R
|
||||
/// Convertit deux canaux i32 (L/R) en pairs f32 normalisées [-1.0, 1.0]
|
||||
pub fn i32_stereo_to_pairs_f32(
|
||||
left: &[i32],
|
||||
right: &[i32],
|
||||
out_pairs: &mut [[f32; 2]],
|
||||
bit_depth: BitDepth,
|
||||
) {
|
||||
i32_stereo_to_pairs_f32_inner(left, right, out_pairs, bit_depth.max_value());
|
||||
}
|
||||
|
||||
// [[f32;2]] -> i32 L/R - version interne
|
||||
#[cfg(feature = "simd")]
|
||||
pub fn pairs_f32_to_i32_stereo<B: BitDepth>(
|
||||
fn pairs_f32_to_i32_stereo_inner(
|
||||
input_pairs: &[[f32; 2]],
|
||||
left: &mut [i32],
|
||||
right: &mut [i32],
|
||||
max_value: f32,
|
||||
) {
|
||||
debug_assert_eq!(input_pairs.len(), left.len());
|
||||
debug_assert_eq!(input_pairs.len(), right.len());
|
||||
|
||||
const LANES: usize = 8;
|
||||
type Vf32 = Simd<f32, LANES>;
|
||||
type Vi32 = Simd<i32, LANES>;
|
||||
|
||||
let vmax = B::MAX_VALUE;
|
||||
let vmin = -B::MAX_VALUE;
|
||||
let vscale = Vf32::splat(vmax);
|
||||
let vmin = -max_value;
|
||||
let vmax_clamp = max_value - 1.0; // évite l'overflow après round→cast
|
||||
let vscale = Vf32::splat(max_value);
|
||||
let vminv = Vf32::splat(vmin);
|
||||
let vmaxv = Vf32::splat(vmax - 1.0); // évite l’overflow après round→cast
|
||||
let vmaxv = Vf32::splat(vmax_clamp);
|
||||
|
||||
let (in_chunks, in_tail) = input_pairs.as_chunks::<LANES>();
|
||||
let (l_chunks, l_tail) = left.as_chunks_mut::<LANES>();
|
||||
@@ -137,52 +121,65 @@ pub fn pairs_f32_to_i32_stereo<B: BitDepth>(
|
||||
}
|
||||
|
||||
for (j, (l, r)) in in_tail.iter().zip(l_tail.iter_mut().zip(r_tail.iter_mut())) {
|
||||
let lx = (j[0] * vmax).clamp(vmin, vmax - 1.0).round();
|
||||
let rx = (j[1] * vmax).clamp(vmin, vmax - 1.0).round();
|
||||
let lx = (j[0] * max_value).clamp(vmin, vmax_clamp).round();
|
||||
let rx = (j[1] * max_value).clamp(vmin, vmax_clamp).round();
|
||||
*l = lx as i32;
|
||||
*r = rx as i32;
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(not(feature = "simd"))]
|
||||
pub fn pairs_f32_to_i32_stereo<B: BitDepth>(
|
||||
fn pairs_f32_to_i32_stereo_inner(
|
||||
input_pairs: &[[f32; 2]],
|
||||
left: &mut [i32],
|
||||
right: &mut [i32],
|
||||
max_value: f32,
|
||||
) {
|
||||
debug_assert_eq!(input_pairs.len(), left.len());
|
||||
debug_assert_eq!(input_pairs.len(), right.len());
|
||||
|
||||
let vmax = B::MAX_VALUE;
|
||||
let vmin = -B::MAX_VALUE;
|
||||
let vmin = -max_value;
|
||||
let vmax_clamp = max_value - 1.0;
|
||||
for (i, pair) in input_pairs.iter().enumerate() {
|
||||
let lx = (pair[0] * vmax).clamp(vmin, vmax - 1.0).round();
|
||||
let rx = (pair[1] * vmax).clamp(vmin, vmax - 1.0).round();
|
||||
let lx = (pair[0] * max_value).clamp(vmin, vmax_clamp).round();
|
||||
let rx = (pair[1] * max_value).clamp(vmin, vmax_clamp).round();
|
||||
left[i] = lx as i32;
|
||||
right[i] = rx as i32;
|
||||
}
|
||||
}
|
||||
|
||||
/// Convertit pairs f32 normalisées [-1.0, 1.0] en deux canaux i32 (L/R)
|
||||
pub fn pairs_f32_to_i32_stereo(
|
||||
input_pairs: &[[f32; 2]],
|
||||
left: &mut [i32],
|
||||
right: &mut [i32],
|
||||
bit_depth: BitDepth,
|
||||
) {
|
||||
pairs_f32_to_i32_stereo_inner(input_pairs, left, right, bit_depth.max_value());
|
||||
}
|
||||
|
||||
/* ====================== WRAPPERS INTERLEAVÉS ====================== */
|
||||
|
||||
// i32 L/R -> interleaved [f32]
|
||||
pub fn i32_stereo_to_interleaved_f32<B: BitDepth>(
|
||||
/// Convertit deux canaux i32 (L/R) en buffer f32 interleaved normalisé [-1.0, 1.0]
|
||||
pub fn i32_stereo_to_interleaved_f32(
|
||||
left: &[i32],
|
||||
right: &[i32],
|
||||
out_interleaved: &mut [f32],
|
||||
bit_depth: BitDepth,
|
||||
) {
|
||||
debug_assert_eq!(out_interleaved.len(), left.len() * 2);
|
||||
let out_pairs: &mut [[f32; 2]] = cast_slice_mut(out_interleaved);
|
||||
i32_stereo_to_pairs_f32::<B>(left, right, out_pairs);
|
||||
i32_stereo_to_pairs_f32(left, right, out_pairs, bit_depth);
|
||||
}
|
||||
|
||||
// interleaved [f32] -> i32 L/R
|
||||
pub fn interleaved_f32_to_i32_stereo<B: BitDepth>(
|
||||
/// Convertit buffer f32 interleaved normalisé [-1.0, 1.0] en deux canaux i32 (L/R)
|
||||
pub fn interleaved_f32_to_i32_stereo(
|
||||
input_interleaved: &[f32],
|
||||
left: &mut [i32],
|
||||
right: &mut [i32],
|
||||
bit_depth: BitDepth,
|
||||
) {
|
||||
debug_assert_eq!(input_interleaved.len(), left.len() * 2);
|
||||
let input_pairs: &[[f32; 2]] = cast_slice(input_interleaved);
|
||||
pairs_f32_to_i32_stereo::<B>(input_pairs, left, right);
|
||||
pairs_f32_to_i32_stereo(input_pairs, left, right, bit_depth);
|
||||
}
|
||||
|
||||
@@ -1,3 +1,5 @@
|
||||
//! Module DSP pour les conversions et traitements audio optimisés (SIMD)
|
||||
|
||||
pub mod depth;
|
||||
pub mod gain;
|
||||
pub mod int_float;
|
||||
|
||||
@@ -2,41 +2,51 @@ use soxr::format::Stereo;
|
||||
use soxr::params::{QualityRecipe, QualitySpec, RuntimeSpec};
|
||||
use soxr::Soxr;
|
||||
|
||||
use crate::dsp::int_float::{Bit16, Bit24, Bit32, Bit8};
|
||||
use crate::dsp::{i32_stereo_to_pairs_f32, pairs_f32_to_i32_stereo};
|
||||
use crate::AudioError;
|
||||
use crate::BitDepth;
|
||||
|
||||
// Type d'erreur simple pour resampling
|
||||
#[derive(Debug)]
|
||||
pub struct ResamplingError(pub String);
|
||||
|
||||
impl std::fmt::Display for ResamplingError {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
write!(f, "Resampling error: {}", self.0)
|
||||
}
|
||||
}
|
||||
|
||||
impl std::error::Error for ResamplingError {}
|
||||
|
||||
pub struct Resampler {
|
||||
source_hz: f64,
|
||||
dest_hz: f64,
|
||||
bit_depth: u32,
|
||||
bit_depth: BitDepth,
|
||||
soxr: Soxr<Stereo<f32>>,
|
||||
}
|
||||
|
||||
pub fn build_resampler(
|
||||
source_hz: u32,
|
||||
dest_hz: u32,
|
||||
bit_depth: u32,
|
||||
) -> Result<Resampler, AudioError> {
|
||||
bit_depth: BitDepth,
|
||||
) -> Result<Resampler, ResamplingError> {
|
||||
let qrecipe = match bit_depth {
|
||||
8 => QualityRecipe::Medium,
|
||||
16 => QualityRecipe::high(), // High plutôt que Bits16 pour 16-bit
|
||||
24 => QualityRecipe::very_high(), // VeryHigh pour 24-bit
|
||||
32 => QualityRecipe::very_high(), // VeryHigh pour 32-bit
|
||||
_ => unreachable!(), // Déjà vérifié plus haut
|
||||
BitDepth::B8 => QualityRecipe::Medium,
|
||||
BitDepth::B16 => QualityRecipe::high(), // High pour 16-bit
|
||||
BitDepth::B24 => QualityRecipe::very_high(), // VeryHigh pour 24-bit
|
||||
BitDepth::B32 => QualityRecipe::very_high(), // VeryHigh pour 32-bit
|
||||
};
|
||||
|
||||
let quality = QualitySpec::new(qrecipe); // Phase response linear, no steep filter
|
||||
let rt = RuntimeSpec::default();
|
||||
|
||||
let soxr = Soxr::<Stereo<f32>>::new_with_params(source_hz as f64, dest_hz as f64, quality, rt)
|
||||
.map_err(|e| AudioError::ProcessingError(e.to_string()))?;
|
||||
.map_err(|e| ResamplingError(e.to_string()))?;
|
||||
|
||||
Ok(Resampler {
|
||||
source_hz: source_hz as f64,
|
||||
dest_hz: dest_hz as f64,
|
||||
bit_depth: bit_depth,
|
||||
soxr: soxr,
|
||||
bit_depth,
|
||||
soxr,
|
||||
})
|
||||
}
|
||||
|
||||
@@ -44,31 +54,22 @@ pub fn resampling(left: &[i32], right: &[i32], resampler: &mut Resampler) -> (Ve
|
||||
if left.len() != right.len() {
|
||||
panic!("Left and right channels must have the same length");
|
||||
}
|
||||
let mut input = vec![[0.0f32; 2]; left.len()];
|
||||
match resampler.bit_depth {
|
||||
8 => i32_stereo_to_pairs_f32::<Bit8>(left, right, &mut input),
|
||||
16 => i32_stereo_to_pairs_f32::<Bit16>(left, right, &mut input),
|
||||
24 => i32_stereo_to_pairs_f32::<Bit24>(left, right, &mut input),
|
||||
32 => i32_stereo_to_pairs_f32::<Bit32>(left, right, &mut input),
|
||||
_ => panic!("Unsupported bit depth: {}", resampler.bit_depth),
|
||||
}
|
||||
|
||||
// Convertir i32 → f32 normalisé
|
||||
let mut input = vec![[0.0f32; 2]; left.len()];
|
||||
i32_stereo_to_pairs_f32(left, right, &mut input, resampler.bit_depth);
|
||||
|
||||
// Resampling
|
||||
let output_len =
|
||||
((input.len() as f64) * resampler.dest_hz / resampler.source_hz).ceil() as usize;
|
||||
let mut output = vec![[0.0f32; 2]; output_len];
|
||||
|
||||
resampler.soxr.process(&input, &mut output).unwrap();
|
||||
|
||||
// Convertir f32 normalisé → i32
|
||||
let mut oleft = vec![0i32; output.len()];
|
||||
let mut oright = vec![0i32; output.len()];
|
||||
|
||||
match resampler.bit_depth {
|
||||
8 => pairs_f32_to_i32_stereo::<Bit8>(&output, &mut oleft, &mut oright),
|
||||
16 => pairs_f32_to_i32_stereo::<Bit16>(&output, &mut oleft, &mut oright),
|
||||
24 => pairs_f32_to_i32_stereo::<Bit24>(&output, &mut oleft, &mut oright),
|
||||
32 => pairs_f32_to_i32_stereo::<Bit32>(&output, &mut oleft, &mut oright),
|
||||
_ => unreachable!(), // Déjà vérifié plus haut
|
||||
};
|
||||
pairs_f32_to_i32_stereo(&output, &mut oleft, &mut oright, resampler.bit_depth);
|
||||
|
||||
(oleft, oright)
|
||||
}
|
||||
|
||||
@@ -82,18 +82,32 @@ use std::simd::*;
|
||||
|
||||
mod audio_chunk;
|
||||
pub mod events;
|
||||
mod nodes;
|
||||
// mod nodes; // Temporairement déplacé hors du module
|
||||
mod sync_marker;
|
||||
mod audio_segment;
|
||||
mod sample_types;
|
||||
pub mod conversions;
|
||||
#[macro_use]
|
||||
mod macros;
|
||||
|
||||
pub mod bit_depth;
|
||||
pub mod dsp;
|
||||
|
||||
pub use audio_chunk::AudioChunk;
|
||||
pub use audio_segment::{AudioSegment, _AudioSegment};
|
||||
pub use sync_marker::{SyncMarker};
|
||||
|
||||
pub use audio_chunk::{AudioChunk, AudioChunkData, db_to_linear, gain_db_from_linear, gain_linear_from_db, linear_to_db};
|
||||
pub use bit_depth::{Bit16, Bit24, Bit32, Bit8, BitDepth};
|
||||
pub use sample_types::{I24, Sample};
|
||||
|
||||
|
||||
pub use events::{
|
||||
AudioDataEvent, EventPublisher, EventReceiver, NodeEvent, NodeListener, SourceNameUpdateEvent,
|
||||
VolumeChangeEvent,
|
||||
};
|
||||
|
||||
// Nodes temporairement désactivés
|
||||
/*
|
||||
pub use nodes::{
|
||||
buffer_node::BufferNode,
|
||||
chromecast_sink::{ChromecastConfig, ChromecastSink, ChromecastStats, StreamEncoding},
|
||||
@@ -109,3 +123,4 @@ pub use nodes::{
|
||||
volume_node::{HardwareVolumeNode, VolumeHandle, VolumeNode},
|
||||
AudioError, AudioNode, MultiSubscriberNode, SingleSubscriberNode,
|
||||
};
|
||||
*/
|
||||
|
||||
304
pmoaudio/src/macros.rs
Normal file
304
pmoaudio/src/macros.rs
Normal file
@@ -0,0 +1,304 @@
|
||||
/// Macros pour simplifier la manipulation des AudioChunk et AudioSegment
|
||||
|
||||
/// Extrait les données typées d'un AudioChunk
|
||||
///
|
||||
/// # Exemples
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, AudioChunkData, extract_chunk_data};
|
||||
///
|
||||
/// fn process_i32(chunk: &AudioChunk) {
|
||||
/// if let Some(data) = extract_chunk_data!(chunk, I32) {
|
||||
/// println!("I32 chunk with {} frames", data.len());
|
||||
/// }
|
||||
/// }
|
||||
/// ```
|
||||
#[macro_export]
|
||||
macro_rules! extract_chunk_data {
|
||||
($chunk:expr, I8) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::I8(data) => Some(data),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
($chunk:expr, I16) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::I16(data) => Some(data),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
($chunk:expr, I24) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::I24(data) => Some(data),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
($chunk:expr, I32) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::I32(data) => Some(data),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
($chunk:expr, F32) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::F32(data) => Some(data),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
($chunk:expr, F64) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::F64(data) => Some(data),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// Match sur le type d'un AudioChunk avec exécution de code pour chaque cas
|
||||
///
|
||||
/// # Exemples
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, match_chunk};
|
||||
///
|
||||
/// fn print_chunk_info(chunk: &AudioChunk) {
|
||||
/// match_chunk!(chunk, data => {
|
||||
/// println!("Chunk type: {}, frames: {}", chunk.type_name(), data.len());
|
||||
/// });
|
||||
/// }
|
||||
/// ```
|
||||
#[macro_export]
|
||||
macro_rules! match_chunk {
|
||||
($chunk:expr, $data:ident => $body:expr) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::I8($data) => $body,
|
||||
$crate::AudioChunk::I16($data) => $body,
|
||||
$crate::AudioChunk::I24($data) => $body,
|
||||
$crate::AudioChunk::I32($data) => $body,
|
||||
$crate::AudioChunk::F32($data) => $body,
|
||||
$crate::AudioChunk::F64($data) => $body,
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// Map sur un AudioChunk - transforme les données et retourne un nouveau AudioChunk du même type
|
||||
///
|
||||
/// # Exemples
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, map_chunk};
|
||||
///
|
||||
/// fn add_gain_db(chunk: &AudioChunk, gain_db: f64) -> AudioChunk {
|
||||
/// map_chunk!(chunk, data => {
|
||||
/// data.set_gain_db(data.gain_db() + gain_db)
|
||||
/// })
|
||||
/// }
|
||||
/// ```
|
||||
#[macro_export]
|
||||
macro_rules! map_chunk {
|
||||
($chunk:expr, $data:ident => $transform:expr) => {
|
||||
match $chunk {
|
||||
$crate::AudioChunk::I8($data) => {
|
||||
$crate::AudioChunk::I8($transform)
|
||||
}
|
||||
$crate::AudioChunk::I16($data) => {
|
||||
$crate::AudioChunk::I16($transform)
|
||||
}
|
||||
$crate::AudioChunk::I24($data) => {
|
||||
$crate::AudioChunk::I24($transform)
|
||||
}
|
||||
$crate::AudioChunk::I32($data) => {
|
||||
$crate::AudioChunk::I32($transform)
|
||||
}
|
||||
$crate::AudioChunk::F32($data) => {
|
||||
$crate::AudioChunk::F32($transform)
|
||||
}
|
||||
$crate::AudioChunk::F64($data) => {
|
||||
$crate::AudioChunk::F64($transform)
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// Prédicat sur le type d'un AudioChunk
|
||||
///
|
||||
/// # Exemples
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioChunk, is_chunk_type};
|
||||
///
|
||||
/// fn process_only_i32(chunk: &AudioChunk) {
|
||||
/// if is_chunk_type!(chunk, I32) {
|
||||
/// println!("Processing I32 chunk");
|
||||
/// }
|
||||
/// }
|
||||
/// ```
|
||||
#[macro_export]
|
||||
macro_rules! is_chunk_type {
|
||||
($chunk:expr, I8) => {
|
||||
matches!($chunk, $crate::AudioChunk::I8(_))
|
||||
};
|
||||
($chunk:expr, I16) => {
|
||||
matches!($chunk, $crate::AudioChunk::I16(_))
|
||||
};
|
||||
($chunk:expr, I24) => {
|
||||
matches!($chunk, $crate::AudioChunk::I24(_))
|
||||
};
|
||||
($chunk:expr, I32) => {
|
||||
matches!($chunk, $crate::AudioChunk::I32(_))
|
||||
};
|
||||
($chunk:expr, F32) => {
|
||||
matches!($chunk, $crate::AudioChunk::F32(_))
|
||||
};
|
||||
($chunk:expr, F64) => {
|
||||
matches!($chunk, $crate::AudioChunk::F64(_))
|
||||
};
|
||||
}
|
||||
|
||||
/// Extrait un AudioChunk d'un AudioSegment
|
||||
///
|
||||
/// # Exemples
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioSegment, extract_audio_chunk};
|
||||
///
|
||||
/// fn get_chunk(segment: &AudioSegment) -> Option<&Arc<AudioChunk>> {
|
||||
/// extract_audio_chunk!(segment)
|
||||
/// }
|
||||
/// ```
|
||||
#[macro_export]
|
||||
macro_rules! extract_audio_chunk {
|
||||
($segment:expr) => {
|
||||
match &$segment.segment {
|
||||
$crate::_AudioSegment::Chunk(chunk) => Some(chunk),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// Extrait un SyncMarker d'un AudioSegment
|
||||
///
|
||||
/// # Exemples
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioSegment, extract_sync_marker};
|
||||
///
|
||||
/// fn get_marker(segment: &AudioSegment) -> Option<&Arc<SyncMarker>> {
|
||||
/// extract_sync_marker!(segment)
|
||||
/// }
|
||||
/// ```
|
||||
#[macro_export]
|
||||
macro_rules! extract_sync_marker {
|
||||
($segment:expr) => {
|
||||
match &$segment.segment {
|
||||
$crate::_AudioSegment::Sync(marker) => Some(marker),
|
||||
_ => None,
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// Match sur le contenu d'un AudioSegment
|
||||
///
|
||||
/// # Exemples
|
||||
/// ```
|
||||
/// use pmoaudio::{AudioSegment, match_segment};
|
||||
///
|
||||
/// fn process_segment(segment: &AudioSegment) {
|
||||
/// match_segment!(segment,
|
||||
/// chunk => println!("Audio chunk: {}", chunk.type_name()),
|
||||
/// marker => println!("Sync marker")
|
||||
/// );
|
||||
/// }
|
||||
/// ```
|
||||
#[macro_export]
|
||||
macro_rules! match_segment {
|
||||
($segment:expr, $chunk_name:ident => $chunk_body:expr, $marker_name:ident => $marker_body:expr) => {
|
||||
match &$segment.segment {
|
||||
$crate::_AudioSegment::Chunk($chunk_name) => $chunk_body,
|
||||
$crate::_AudioSegment::Sync($marker_name) => $marker_body,
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use crate::{AudioChunk, AudioChunkData, AudioSegment, BitDepth};
|
||||
|
||||
#[test]
|
||||
fn test_extract_chunk_data() {
|
||||
let data = AudioChunkData::new(vec![[100i32, 200i32]], 44100, 0.0);
|
||||
let chunk = AudioChunk::I32(data.clone());
|
||||
|
||||
// Test extraction réussie
|
||||
assert!(extract_chunk_data!(&chunk, I32).is_some());
|
||||
assert!(extract_chunk_data!(&chunk, F32).is_none());
|
||||
|
||||
// Test avec F32
|
||||
let f32_chunk = AudioChunk::F32(AudioChunkData::new(vec![[0.5f32, -0.5f32]], 44100, 0.0));
|
||||
assert!(extract_chunk_data!(&f32_chunk, F32).is_some());
|
||||
assert!(extract_chunk_data!(&f32_chunk, I32).is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_match_chunk() {
|
||||
let chunk = AudioChunk::I32(AudioChunkData::new(vec![[100i32, 200i32]], 44100, 0.0));
|
||||
|
||||
let len = match_chunk!(&chunk, data => data.len());
|
||||
assert_eq!(len, 1);
|
||||
|
||||
let sample_rate = match_chunk!(&chunk, data => data.sample_rate());
|
||||
assert_eq!(sample_rate, 44100);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_map_chunk() {
|
||||
let chunk = AudioChunk::I32(AudioChunkData::new(vec![[100i32, 200i32]], 44100, 0.0));
|
||||
|
||||
let modified = map_chunk!(&chunk, data => data.set_gain_db(6.0));
|
||||
|
||||
match_chunk!(&modified, data => {
|
||||
assert_eq!(data.gain_db(), 6.0);
|
||||
});
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_is_chunk_type() {
|
||||
let i32_chunk = AudioChunk::I32(AudioChunkData::new(vec![[100i32, 200i32]], 44100, 0.0));
|
||||
let f32_chunk = AudioChunk::F32(AudioChunkData::new(vec![[0.5f32, -0.5f32]], 44100, 0.0));
|
||||
|
||||
assert!(is_chunk_type!(&i32_chunk, I32));
|
||||
assert!(!is_chunk_type!(&i32_chunk, F32));
|
||||
assert!(is_chunk_type!(&f32_chunk, F32));
|
||||
assert!(!is_chunk_type!(&f32_chunk, I32));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_extract_audio_chunk() {
|
||||
let segment = AudioSegment::new_chunk(0, 0.0, vec![[100i32, 200i32]], 44100, BitDepth::B32);
|
||||
|
||||
assert!(extract_audio_chunk!(&*segment).is_some());
|
||||
|
||||
let sync_segment = AudioSegment::new_hearbeat(1, 1.0);
|
||||
assert!(extract_audio_chunk!(&*sync_segment).is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_extract_sync_marker() {
|
||||
let segment = AudioSegment::new_hearbeat(1, 1.0);
|
||||
assert!(extract_sync_marker!(&*segment).is_some());
|
||||
|
||||
let audio_segment = AudioSegment::new_chunk(0, 0.0, vec![[100i32, 200i32]], 44100, BitDepth::B32);
|
||||
assert!(extract_sync_marker!(&*audio_segment).is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_match_segment() {
|
||||
let audio_segment = AudioSegment::new_chunk(0, 0.0, vec![[100i32, 200i32]], 44100, BitDepth::B32);
|
||||
|
||||
let result = match_segment!(&*audio_segment,
|
||||
chunk => format!("audio: {}", chunk.type_name()),
|
||||
_marker => "sync".to_string()
|
||||
);
|
||||
assert_eq!(result, "audio: i32");
|
||||
|
||||
let sync_segment = AudioSegment::new_hearbeat(1, 1.0);
|
||||
let result = match_segment!(&*sync_segment,
|
||||
_chunk => "audio".to_string(),
|
||||
_marker => "sync".to_string()
|
||||
);
|
||||
assert_eq!(result, "sync");
|
||||
}
|
||||
}
|
||||
342
pmoaudio/src/sample_types.rs
Normal file
342
pmoaudio/src/sample_types.rs
Normal file
@@ -0,0 +1,342 @@
|
||||
//! Types de samples audio et trait de conversion générique
|
||||
|
||||
use std::fmt;
|
||||
|
||||
/// Trait pour tous les types de samples audio supportés
|
||||
///
|
||||
/// Ce trait permet d'écrire du code générique sur différents types de samples
|
||||
/// (entiers 8/16/24/32 bits et flottants 32/64 bits).
|
||||
pub trait Sample: Copy + Clone + Send + Sync + 'static + fmt::Debug {
|
||||
/// Nom du type pour le débogage
|
||||
const NAME: &'static str;
|
||||
|
||||
/// Valeur minimale du type
|
||||
const MIN: Self;
|
||||
|
||||
/// Valeur maximale du type
|
||||
const MAX: Self;
|
||||
|
||||
/// Valeur zéro
|
||||
const ZERO: Self;
|
||||
|
||||
/// Convertit le sample en f64 normalisé dans [-1.0, 1.0]
|
||||
fn to_f64(self) -> f64;
|
||||
|
||||
/// Crée un sample depuis un f64 normalisé dans [-1.0, 1.0]
|
||||
fn from_f64(value: f64) -> Self;
|
||||
|
||||
/// Convertit le sample en f32 normalisé dans [-1.0, 1.0]
|
||||
fn to_f32(self) -> f32 {
|
||||
self.to_f64() as f32
|
||||
}
|
||||
|
||||
/// Crée un sample depuis un f32 normalisé dans [-1.0, 1.0]
|
||||
fn from_f32(value: f32) -> Self {
|
||||
Self::from_f64(value as f64)
|
||||
}
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Type I24 : Échantillon audio 24-bit stocké dans un i32
|
||||
// ============================================================================
|
||||
|
||||
/// Échantillon audio 24-bit signé, stocké dans un i32
|
||||
///
|
||||
/// Représente un sample audio de 24 bits de résolution effective,
|
||||
/// stocké sur 32 bits pour l'alignement et les performances.
|
||||
///
|
||||
/// Plage valide : [-8_388_608, 8_388_607] (±2^23)
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::I24;
|
||||
///
|
||||
/// let sample = I24::new(1_000_000).unwrap();
|
||||
/// assert_eq!(sample.as_i32(), 1_000_000);
|
||||
///
|
||||
/// // Hors plage : erreur
|
||||
/// assert!(I24::new(10_000_000).is_none());
|
||||
/// ```
|
||||
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
|
||||
pub struct I24(i32);
|
||||
|
||||
impl I24 {
|
||||
/// Valeur minimale : -2^23
|
||||
pub const MIN_VALUE: i32 = -8_388_608;
|
||||
|
||||
/// Valeur maximale : 2^23 - 1
|
||||
pub const MAX_VALUE: i32 = 8_388_607;
|
||||
|
||||
/// Valeur zéro
|
||||
pub const ZERO: I24 = I24(0);
|
||||
|
||||
/// Valeur minimale
|
||||
pub const MIN: I24 = I24(Self::MIN_VALUE);
|
||||
|
||||
/// Valeur maximale
|
||||
pub const MAX: I24 = I24(Self::MAX_VALUE);
|
||||
|
||||
/// Crée un nouveau I24 depuis un i32, en vérifiant la plage valide
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::I24;
|
||||
///
|
||||
/// assert!(I24::new(0).is_some());
|
||||
/// assert!(I24::new(8_388_607).is_some());
|
||||
/// assert!(I24::new(-8_388_608).is_some());
|
||||
/// assert!(I24::new(10_000_000).is_none()); // Hors plage
|
||||
/// ```
|
||||
#[inline]
|
||||
pub const fn new(value: i32) -> Option<Self> {
|
||||
if value >= Self::MIN_VALUE && value <= Self::MAX_VALUE {
|
||||
Some(I24(value))
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
/// Crée un nouveau I24 depuis un i32, en clampant à la plage valide
|
||||
///
|
||||
/// # Exemples
|
||||
///
|
||||
/// ```
|
||||
/// use pmoaudio::I24;
|
||||
///
|
||||
/// assert_eq!(I24::new_clamped(10_000_000).as_i32(), 8_388_607);
|
||||
/// assert_eq!(I24::new_clamped(-10_000_000).as_i32(), -8_388_608);
|
||||
/// ```
|
||||
#[inline]
|
||||
pub const fn new_clamped(value: i32) -> Self {
|
||||
let clamped = if value < Self::MIN_VALUE {
|
||||
Self::MIN_VALUE
|
||||
} else if value > Self::MAX_VALUE {
|
||||
Self::MAX_VALUE
|
||||
} else {
|
||||
value
|
||||
};
|
||||
I24(clamped)
|
||||
}
|
||||
|
||||
/// Crée un nouveau I24 depuis un i32 sans vérification
|
||||
///
|
||||
/// # Safety
|
||||
///
|
||||
/// Le caller doit garantir que `value` est dans [-8_388_608, 8_388_607]
|
||||
#[inline]
|
||||
pub const unsafe fn new_unchecked(value: i32) -> Self {
|
||||
I24(value)
|
||||
}
|
||||
|
||||
/// Retourne la valeur i32 interne
|
||||
#[inline]
|
||||
pub const fn as_i32(self) -> i32 {
|
||||
self.0
|
||||
}
|
||||
|
||||
/// Retourne la valeur i32 interne (alias pour compatibilité)
|
||||
#[inline]
|
||||
pub const fn get(self) -> i32 {
|
||||
self.0
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Debug for I24 {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "I24({})", self.0)
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for I24 {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "{}", self.0)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<I24> for i32 {
|
||||
#[inline]
|
||||
fn from(i24: I24) -> i32 {
|
||||
i24.0
|
||||
}
|
||||
}
|
||||
|
||||
impl TryFrom<i32> for I24 {
|
||||
type Error = &'static str;
|
||||
|
||||
#[inline]
|
||||
fn try_from(value: i32) -> Result<Self, Self::Error> {
|
||||
I24::new(value).ok_or("i32 value out of I24 range")
|
||||
}
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Implémentations du trait Sample pour tous les types
|
||||
// ============================================================================
|
||||
|
||||
impl Sample for i8 {
|
||||
const NAME: &'static str = "i8";
|
||||
const MIN: Self = i8::MIN;
|
||||
const MAX: Self = i8::MAX;
|
||||
const ZERO: Self = 0;
|
||||
|
||||
#[inline]
|
||||
fn to_f64(self) -> f64 {
|
||||
self as f64 / 128.0
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn from_f64(value: f64) -> Self {
|
||||
(value * 127.0).clamp(-128.0, 127.0).round() as i8
|
||||
}
|
||||
}
|
||||
|
||||
impl Sample for i16 {
|
||||
const NAME: &'static str = "i16";
|
||||
const MIN: Self = i16::MIN;
|
||||
const MAX: Self = i16::MAX;
|
||||
const ZERO: Self = 0;
|
||||
|
||||
#[inline]
|
||||
fn to_f64(self) -> f64 {
|
||||
self as f64 / 32_768.0
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn from_f64(value: f64) -> Self {
|
||||
(value * 32_767.0).clamp(-32_768.0, 32_767.0).round() as i16
|
||||
}
|
||||
}
|
||||
|
||||
impl Sample for I24 {
|
||||
const NAME: &'static str = "I24";
|
||||
const MIN: Self = I24::MIN;
|
||||
const MAX: Self = I24::MAX;
|
||||
const ZERO: Self = I24::ZERO;
|
||||
|
||||
#[inline]
|
||||
fn to_f64(self) -> f64 {
|
||||
self.0 as f64 / 8_388_608.0
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn from_f64(value: f64) -> Self {
|
||||
let scaled = (value * 8_388_607.0).clamp(-8_388_608.0, 8_388_607.0).round() as i32;
|
||||
I24(scaled)
|
||||
}
|
||||
}
|
||||
|
||||
impl Sample for i32 {
|
||||
const NAME: &'static str = "i32";
|
||||
const MIN: Self = i32::MIN;
|
||||
const MAX: Self = i32::MAX;
|
||||
const ZERO: Self = 0;
|
||||
|
||||
#[inline]
|
||||
fn to_f64(self) -> f64 {
|
||||
self as f64 / 2_147_483_648.0
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn from_f64(value: f64) -> Self {
|
||||
(value * 2_147_483_647.0).clamp(-2_147_483_648.0, 2_147_483_647.0).round() as i32
|
||||
}
|
||||
}
|
||||
|
||||
impl Sample for f32 {
|
||||
const NAME: &'static str = "f32";
|
||||
const MIN: Self = -1.0;
|
||||
const MAX: Self = 1.0;
|
||||
const ZERO: Self = 0.0;
|
||||
|
||||
#[inline]
|
||||
fn to_f64(self) -> f64 {
|
||||
self as f64
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn from_f64(value: f64) -> Self {
|
||||
value as f32
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn to_f32(self) -> f32 {
|
||||
self
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn from_f32(value: f32) -> Self {
|
||||
value
|
||||
}
|
||||
}
|
||||
|
||||
impl Sample for f64 {
|
||||
const NAME: &'static str = "f64";
|
||||
const MIN: Self = -1.0;
|
||||
const MAX: Self = 1.0;
|
||||
const ZERO: Self = 0.0;
|
||||
|
||||
#[inline]
|
||||
fn to_f64(self) -> f64 {
|
||||
self
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn from_f64(value: f64) -> Self {
|
||||
value
|
||||
}
|
||||
}
|
||||
|
||||
// ============================================================================
|
||||
// Tests
|
||||
// ============================================================================
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_i24_creation() {
|
||||
assert_eq!(I24::new(0).unwrap().as_i32(), 0);
|
||||
assert_eq!(I24::new(8_388_607).unwrap().as_i32(), 8_388_607);
|
||||
assert_eq!(I24::new(-8_388_608).unwrap().as_i32(), -8_388_608);
|
||||
|
||||
assert!(I24::new(8_388_608).is_none());
|
||||
assert!(I24::new(-8_388_609).is_none());
|
||||
assert!(I24::new(10_000_000).is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_i24_clamped() {
|
||||
assert_eq!(I24::new_clamped(10_000_000).as_i32(), 8_388_607);
|
||||
assert_eq!(I24::new_clamped(-10_000_000).as_i32(), -8_388_608);
|
||||
assert_eq!(I24::new_clamped(1_000_000).as_i32(), 1_000_000);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_sample_trait_i24() {
|
||||
let sample = I24::new(4_194_303).unwrap(); // ~0.5 en normalized
|
||||
let normalized = sample.to_f64();
|
||||
assert!((normalized - 0.5).abs() < 0.001);
|
||||
|
||||
let back = I24::from_f64(0.5);
|
||||
assert!((back.as_i32() - 4_194_303).abs() <= 1); // Tolérance d'arrondi
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_sample_trait_roundtrip_i16() {
|
||||
let original: i16 = 16_000;
|
||||
let normalized = original.to_f64();
|
||||
let back = i16::from_f64(normalized);
|
||||
assert!((back - original).abs() <= 1);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_sample_trait_roundtrip_f32() {
|
||||
let original: f32 = 0.75;
|
||||
let normalized = original.to_f64();
|
||||
let back = f32::from_f64(normalized);
|
||||
assert!((back - original).abs() < 1e-6);
|
||||
}
|
||||
}
|
||||
13
pmoaudio/src/sync_marker.rs
Normal file
13
pmoaudio/src/sync_marker.rs
Normal file
@@ -0,0 +1,13 @@
|
||||
use std::sync::Arc;
|
||||
|
||||
use pmometadata::TrackMetadata;
|
||||
|
||||
pub enum SyncMarker {
|
||||
TrackBoundary { metadata: Arc<dyn TrackMetadata> },
|
||||
StreamMetadata { key: String, value: String },
|
||||
TopZeroSync,
|
||||
Heartbeat,
|
||||
EndOfStream,
|
||||
Error(String),
|
||||
// autres cas à venir…
|
||||
}
|
||||
Reference in New Issue
Block a user