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|
||||
"parking_lot_core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "parking_lot_core"
|
||||
version = "0.9.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"libc",
|
||||
"redox_syscall",
|
||||
"smallvec",
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "pkg-config"
|
||||
version = "0.3.32"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.95"
|
||||
@ -447,12 +18,6 @@ dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "profiling"
|
||||
version = "1.0.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "afbdc74edc00b6f6a218ca6a5364d6226a259d4b8ea1af4a0ea063f27e179f4d"
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.40"
|
||||
@ -462,65 +27,6 @@ dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "redox_syscall"
|
||||
version = "0.5.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "928fca9cf2aa042393a8325b9ead81d2f0df4cb12e1e24cef072922ccd99c5af"
|
||||
dependencies = [
|
||||
"bitflags 2.9.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ryu"
|
||||
version = "1.0.20"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
|
||||
|
||||
[[package]]
|
||||
name = "scopeguard"
|
||||
version = "1.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
|
||||
|
||||
[[package]]
|
||||
name = "serde"
|
||||
version = "1.0.219"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
|
||||
dependencies = [
|
||||
"serde_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_derive"
|
||||
version = "1.0.219"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_json"
|
||||
version = "1.0.140"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
|
||||
dependencies = [
|
||||
"itoa",
|
||||
"memchr",
|
||||
"ryu",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "smallvec"
|
||||
version = "1.15.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8917285742e9f3e1683f0a9c4e6b57960b7314d0b08d30d1ecd426713ee2eee9"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.101"
|
||||
@ -533,125 +39,27 @@ dependencies = [
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ttf-parser"
|
||||
version = "0.25.1"
|
||||
name = "thiserror"
|
||||
version = "1.0.69"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d2df906b07856748fa3f6e0ad0cbaa047052d4a7dd609e231c4f72cee8c36f31"
|
||||
checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
|
||||
dependencies = [
|
||||
"thiserror-impl",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "1.0.69"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy"
|
||||
version = "0.8.25"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a1702d9583232ddb9174e01bb7c15a2ab8fb1bc6f227aa1233858c351a3ba0cb"
|
||||
dependencies = [
|
||||
"zerocopy-derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy-derive"
|
||||
version = "0.8.25"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
11
Cargo.toml
11
Cargo.toml
@ -4,13 +4,4 @@ version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
bincode = "1"
|
||||
crossbeam = "0.8"
|
||||
dasp = "0.11"
|
||||
egui = "0.31"
|
||||
hound = "3"
|
||||
jack = "0.13"
|
||||
log = "0.4.27"
|
||||
parking_lot = "0.12"
|
||||
serde = { version = "1", features = ["derive"] }
|
||||
serde_json = "1"
|
||||
thiserror = "1.0"
|
||||
344
src/audio_chunk.rs
Normal file
344
src/audio_chunk.rs
Normal file
@ -0,0 +1,344 @@
|
||||
use std::sync::Arc;
|
||||
|
||||
use crate::*;
|
||||
|
||||
/// A chunk of audio data that can be linked to form longer recordings.
|
||||
/// Designed for lock-free sharing between real-time and I/O threads.
|
||||
#[derive(Debug)]
|
||||
pub struct AudioChunk {
|
||||
/// Fixed-size audio buffer
|
||||
pub samples: Box<[f32]>,
|
||||
|
||||
/// Number of valid samples (≤ samples.len())
|
||||
pub sample_count: usize,
|
||||
|
||||
/// Next chunk in linked list
|
||||
pub next: Option<Arc<AudioChunk>>,
|
||||
}
|
||||
|
||||
impl AudioChunk {
|
||||
/// Create a new empty chunk with specified capacity (for buffer pool)
|
||||
pub fn allocate(size: usize) -> Arc<Self> {
|
||||
Arc::new(Self {
|
||||
samples: vec![0.0; size].into_boxed_slice(),
|
||||
sample_count: 0,
|
||||
next: None,
|
||||
})
|
||||
}
|
||||
|
||||
/// Consolidate a linked list of chunks into a single optimized chunk
|
||||
pub fn consolidate(this: &Arc<AudioChunk>) -> Arc<Self> {
|
||||
// Calculate total sample count
|
||||
let mut total_samples = 0;
|
||||
let mut current = Some(this.clone());
|
||||
while let Some(chunk) = current {
|
||||
total_samples += chunk.sample_count;
|
||||
current = chunk.next.clone();
|
||||
}
|
||||
|
||||
// Create consolidated buffer
|
||||
let mut consolidated_samples = Vec::with_capacity(total_samples);
|
||||
let mut current = Some(this.clone());
|
||||
while let Some(chunk) = current {
|
||||
consolidated_samples.extend_from_slice(&chunk.samples[..chunk.sample_count]);
|
||||
current = chunk.next.clone();
|
||||
}
|
||||
|
||||
Arc::new(Self {
|
||||
samples: consolidated_samples.into_boxed_slice(),
|
||||
sample_count: total_samples,
|
||||
next: None,
|
||||
})
|
||||
}
|
||||
|
||||
/// Write samples into this chunk and additional chunks as needed.
|
||||
/// Uses the factory to get pre-allocated chunks when current chunk fills up.
|
||||
pub fn write_samples<F>(this: &mut Arc<Self>, samples: &[f32], chunk_factory: F) -> Result<(), LooperError>
|
||||
where
|
||||
F: Fn() -> Result<Arc<AudioChunk>, LooperError>
|
||||
{
|
||||
let sample_count = samples.len();
|
||||
|
||||
if sample_count > 0 {
|
||||
let available_space = this.samples.len();
|
||||
let samples_to_write = sample_count.min(available_space);
|
||||
|
||||
// Get mutable access to write samples
|
||||
let chunk_mut = Arc::get_mut(this).ok_or(LooperError::ChunkOwnership)?;
|
||||
|
||||
// Write what fits
|
||||
if let Some(dest) = chunk_mut.samples.get_mut(..samples_to_write) {
|
||||
dest.copy_from_slice(&samples[..samples_to_write]);
|
||||
chunk_mut.sample_count = samples_to_write;
|
||||
}
|
||||
|
||||
// Handle remaining samples if any
|
||||
if samples_to_write < sample_count {
|
||||
// Need a new chunk for remaining samples
|
||||
let mut new_chunk = chunk_factory()?;
|
||||
let remaining_samples = &samples[samples_to_write..];
|
||||
|
||||
// Recurse on the new chunk
|
||||
Self::write_samples(&mut new_chunk, remaining_samples, chunk_factory)?;
|
||||
|
||||
// Link the new chunk
|
||||
chunk_mut.next = Some(new_chunk);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_allocate_creates_empty_chunk() {
|
||||
let chunk = AudioChunk::allocate(1024);
|
||||
|
||||
assert_eq!(chunk.samples.len(), 1024);
|
||||
assert_eq!(chunk.sample_count, 0);
|
||||
assert!(chunk.next.is_none());
|
||||
|
||||
// All samples should be initialized to 0.0
|
||||
assert!(chunk.samples.iter().all(|&x| x == 0.0));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_consolidate_single_chunk() {
|
||||
let mut chunk = AudioChunk::allocate(10);
|
||||
|
||||
// Write some sample data
|
||||
let samples = vec![1.0, 2.0, 3.0, 4.0, 5.0];
|
||||
let factory = || panic!("Factory should not be called");
|
||||
let result = AudioChunk::write_samples(&mut chunk, &samples, factory);
|
||||
assert!(result.is_ok());
|
||||
|
||||
let consolidated = AudioChunk::consolidate(&chunk);
|
||||
|
||||
assert_eq!(consolidated.samples.len(), 5);
|
||||
assert_eq!(consolidated.sample_count, 5);
|
||||
assert!(consolidated.next.is_none());
|
||||
assert_eq!(consolidated.samples[0], 1.0);
|
||||
assert_eq!(consolidated.samples[4], 5.0);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_consolidate_linked_chunks() {
|
||||
// Create first chunk
|
||||
let chunk1 = Arc::new(AudioChunk {
|
||||
samples: vec![1.0, 2.0, 3.0].into_boxed_slice(),
|
||||
sample_count: 3,
|
||||
next: None,
|
||||
});
|
||||
|
||||
// Create second chunk
|
||||
let chunk2 = Arc::new(AudioChunk {
|
||||
samples: vec![4.0, 5.0].into_boxed_slice(),
|
||||
sample_count: 2,
|
||||
next: None,
|
||||
});
|
||||
|
||||
// Create third chunk
|
||||
let chunk3 = Arc::new(AudioChunk {
|
||||
samples: vec![6.0, 7.0, 8.0, 9.0].into_boxed_slice(),
|
||||
sample_count: 4,
|
||||
next: None,
|
||||
});
|
||||
|
||||
// Link them together
|
||||
let chunk1 = Arc::new(AudioChunk {
|
||||
samples: chunk1.samples.clone(),
|
||||
sample_count: chunk1.sample_count,
|
||||
next: Some(Arc::new(AudioChunk {
|
||||
samples: chunk2.samples.clone(),
|
||||
sample_count: chunk2.sample_count,
|
||||
next: Some(chunk3),
|
||||
})),
|
||||
});
|
||||
|
||||
let consolidated = AudioChunk::consolidate(&chunk1);
|
||||
|
||||
assert_eq!(consolidated.samples.len(), 9);
|
||||
assert_eq!(consolidated.sample_count, 9);
|
||||
assert!(consolidated.next.is_none());
|
||||
|
||||
let expected = vec![1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0];
|
||||
assert_eq!(consolidated.samples.as_ref(), expected.as_slice());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_consolidate_partial_chunks() {
|
||||
// Test chunks where sample_count < samples.len()
|
||||
let chunk1 = Arc::new(AudioChunk {
|
||||
samples: vec![1.0, 2.0, 3.0, 0.0, 0.0].into_boxed_slice(),
|
||||
sample_count: 3, // Only first 3 samples are valid
|
||||
next: None,
|
||||
});
|
||||
|
||||
let chunk2 = Arc::new(AudioChunk {
|
||||
samples: vec![4.0, 5.0, 0.0].into_boxed_slice(),
|
||||
sample_count: 2, // Only first 2 samples are valid
|
||||
next: None,
|
||||
});
|
||||
|
||||
let chunk1 = Arc::new(AudioChunk {
|
||||
samples: chunk1.samples.clone(),
|
||||
sample_count: chunk1.sample_count,
|
||||
next: Some(chunk2),
|
||||
});
|
||||
|
||||
let consolidated = AudioChunk::consolidate(&chunk1);
|
||||
|
||||
assert_eq!(consolidated.samples.len(), 5);
|
||||
assert_eq!(consolidated.sample_count, 5);
|
||||
|
||||
let expected = vec![1.0, 2.0, 3.0, 4.0, 5.0];
|
||||
assert_eq!(consolidated.samples.as_ref(), expected.as_slice());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_write_samples_empty() {
|
||||
let mut chunk = AudioChunk::allocate(5);
|
||||
|
||||
let factory = || panic!("Factory should not be called for empty samples");
|
||||
let result = AudioChunk::write_samples(&mut chunk, &[], factory);
|
||||
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(chunk.sample_count, 0);
|
||||
assert!(chunk.next.is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_write_samples_fits_in_one_chunk() {
|
||||
let mut chunk = AudioChunk::allocate(5);
|
||||
|
||||
let factory = || panic!("Factory should not be called when samples fit");
|
||||
let samples = vec![1.0, 2.0, 3.0];
|
||||
let result = AudioChunk::write_samples(&mut chunk, &samples, factory);
|
||||
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(chunk.sample_count, 3);
|
||||
assert_eq!(chunk.samples[0], 1.0);
|
||||
assert_eq!(chunk.samples[1], 2.0);
|
||||
assert_eq!(chunk.samples[2], 3.0);
|
||||
assert!(chunk.next.is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_write_samples_exactly_fills_chunk() {
|
||||
let mut chunk = AudioChunk::allocate(3);
|
||||
|
||||
let factory = || panic!("Factory should not be called when samples exactly fit");
|
||||
let samples = vec![1.0, 2.0, 3.0];
|
||||
let result = AudioChunk::write_samples(&mut chunk, &samples, factory);
|
||||
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(chunk.sample_count, 3);
|
||||
assert_eq!(chunk.samples[0], 1.0);
|
||||
assert_eq!(chunk.samples[1], 2.0);
|
||||
assert_eq!(chunk.samples[2], 3.0);
|
||||
assert!(chunk.next.is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_write_samples_requires_new_chunk() {
|
||||
let mut chunk = AudioChunk::allocate(2);
|
||||
|
||||
use std::cell::RefCell;
|
||||
let available_chunks = RefCell::new(vec![AudioChunk::allocate(3)]);
|
||||
let factory = || available_chunks.borrow_mut().pop().ok_or(LooperError::ChunkAllocation);
|
||||
|
||||
let samples = vec![1.0, 2.0, 3.0, 4.0]; // 4 samples, first chunk holds 2
|
||||
let result = AudioChunk::write_samples(&mut chunk, &samples, factory);
|
||||
|
||||
assert!(result.is_ok());
|
||||
|
||||
// First chunk: 2 samples
|
||||
assert_eq!(chunk.sample_count, 2);
|
||||
assert_eq!(chunk.samples[0], 1.0);
|
||||
assert_eq!(chunk.samples[1], 2.0);
|
||||
|
||||
// Second chunk: remaining 2 samples
|
||||
let chunk2 = chunk.next.as_ref().unwrap();
|
||||
assert_eq!(chunk2.sample_count, 2);
|
||||
assert_eq!(chunk2.samples[0], 3.0);
|
||||
assert_eq!(chunk2.samples[1], 4.0);
|
||||
assert!(chunk2.next.is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_write_samples_multiple_chunks_cascade() {
|
||||
let mut chunk = AudioChunk::allocate(2);
|
||||
|
||||
use std::cell::RefCell;
|
||||
let available_chunks = RefCell::new(vec![
|
||||
AudioChunk::allocate(2),
|
||||
AudioChunk::allocate(2),
|
||||
]);
|
||||
let factory = || available_chunks.borrow_mut().pop().ok_or(LooperError::ChunkAllocation);
|
||||
|
||||
let samples = vec![1.0, 2.0, 3.0, 4.0, 5.0, 6.0]; // 6 samples, each chunk holds 2
|
||||
let result = AudioChunk::write_samples(&mut chunk, &samples, factory);
|
||||
|
||||
assert!(result.is_ok());
|
||||
|
||||
// First chunk
|
||||
assert_eq!(chunk.sample_count, 2);
|
||||
assert_eq!(chunk.samples[0], 1.0);
|
||||
assert_eq!(chunk.samples[1], 2.0);
|
||||
|
||||
// Second chunk
|
||||
let chunk2 = chunk.next.as_ref().unwrap();
|
||||
assert_eq!(chunk2.sample_count, 2);
|
||||
assert_eq!(chunk2.samples[0], 3.0);
|
||||
assert_eq!(chunk2.samples[1], 4.0);
|
||||
|
||||
// Third chunk
|
||||
let chunk3 = chunk2.next.as_ref().unwrap();
|
||||
assert_eq!(chunk3.sample_count, 2);
|
||||
assert_eq!(chunk3.samples[0], 5.0);
|
||||
assert_eq!(chunk3.samples[1], 6.0);
|
||||
assert!(chunk3.next.is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_write_samples_factory_failure() {
|
||||
let mut chunk = AudioChunk::allocate(2);
|
||||
|
||||
let factory = || Err(LooperError::ChunkAllocation);
|
||||
let samples = vec![1.0, 2.0, 3.0]; // 3 samples, chunk only holds 2
|
||||
let result = AudioChunk::write_samples(&mut chunk, &samples, factory);
|
||||
|
||||
assert!(result.is_err());
|
||||
assert!(matches!(result.unwrap_err(), LooperError::ChunkAllocation));
|
||||
|
||||
// First chunk should have been written before factory failure
|
||||
assert_eq!(chunk.sample_count, 2);
|
||||
assert_eq!(chunk.samples[0], 1.0);
|
||||
assert_eq!(chunk.samples[1], 2.0);
|
||||
assert!(chunk.next.is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_write_samples_ownership_failure() {
|
||||
let chunk = AudioChunk::allocate(3);
|
||||
let chunk_clone = chunk.clone(); // Create another reference
|
||||
let mut chunk_original = chunk;
|
||||
|
||||
let factory = || panic!("Factory should not be called");
|
||||
let samples = vec![1.0, 2.0];
|
||||
let result = AudioChunk::write_samples(&mut chunk_original, &samples, factory);
|
||||
|
||||
assert!(result.is_err());
|
||||
assert!(matches!(result.unwrap_err(), LooperError::ChunkOwnership));
|
||||
|
||||
// Chunk should be unchanged
|
||||
assert_eq!(chunk_original.sample_count, 0);
|
||||
|
||||
// Clean up the clone reference to avoid unused variable warning
|
||||
drop(chunk_clone);
|
||||
}
|
||||
}
|
||||
8
src/looper_error.rs
Normal file
8
src/looper_error.rs
Normal file
@ -0,0 +1,8 @@
|
||||
#[derive(Debug, thiserror::Error)]
|
||||
pub enum LooperError {
|
||||
#[error("Failed to allocate new audio chunk")]
|
||||
ChunkAllocation,
|
||||
|
||||
#[error("Cannot modify chunk with multiple references")]
|
||||
ChunkOwnership,
|
||||
}
|
||||
20
src/main.rs
20
src/main.rs
@ -1,3 +1,21 @@
|
||||
mod audio_chunk;
|
||||
mod looper_error;
|
||||
|
||||
use audio_chunk::AudioChunk;
|
||||
use looper_error::LooperError;
|
||||
|
||||
fn main() {
|
||||
println!("Hello, world!");
|
||||
let mut chunk = AudioChunk::allocate(2);
|
||||
|
||||
use std::cell::RefCell;
|
||||
let available_chunks = RefCell::new(vec![
|
||||
AudioChunk::allocate(2),
|
||||
AudioChunk::allocate(2),
|
||||
]);
|
||||
let factory = || available_chunks.borrow_mut().pop().ok_or(LooperError::ChunkAllocation);
|
||||
|
||||
let samples = vec![1.0, 2.0, 3.0, 4.0, 5.0, 6.0]; // 6 samples, each chunk holds 2
|
||||
AudioChunk::write_samples(&mut chunk, &samples, factory).unwrap();
|
||||
AudioChunk::consolidate(&chunk);
|
||||
println!("Audio chunk allocated with size: {}", chunk.samples.len());
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user