//! Audio synchronization engine
//! 
//! This module provides timestamp-based synchronization to replace simple
//! concatenation, ensuring perfect temporal alignment between streams.

use anyhow::Result;
use std::time::Instant;

/// Synchronized audio chunk
#[derive(Debug, Clone)]
pub struct SynchronizedChunk {
    pub samples: Vec<f32>,
    pub timestamp: f64,
    pub duration: f64,
}

/// Audio synchronizer for perfect temporal alignment
pub struct AudioSynchronizer {
    // TODO: Implement in Phase 4
    _placeholder: (),
}

impl AudioSynchronizer {
    /// Create a new audio synchronizer
    pub fn new(sync_tolerance_ms: u32) -> Self {
        Self { _placeholder: () }
    }

    /// Synchronize audio streams
    pub fn synchronize(&mut self) -> Result<Vec<SynchronizedChunk>> {
        // TODO: Implement timestamp-based synchronization in Phase 4
        Ok(vec![])
    }
}
