vtx-engine 0.3.0

Voice processing and transcription engine - audio capture, speech detection, and Whisper transcription
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[package]
name = "vtx-engine"
version.workspace = true
edition.workspace = true
license.workspace = true
description = "Voice processing and transcription engine - audio capture, speech detection, and Whisper transcription"
keywords = ["audio", "speech", "transcription", "whisper", "vad"]
categories = ["multimedia::audio", "api-bindings"]
repository = "https://github.com/keathmilligan/vtx-engine"
homepage = "https://github.com/keathmilligan/vtx-engine"
documentation = "https://docs.rs/vtx-engine"
exclude = [
    "build/",
    "target/",
    "*.dll",
    "*.dylib",
    "*.so",
    "*.xcframework",
]

[lib]
name = "vtx_engine"
path = "src/lib.rs"

[features]
default = []
# Enable CUDA GPU acceleration for transcription.
# - Windows: prebuilt CUDA binaries are always used; this flag has no effect.
# - Linux: Requires NVIDIA CUDA Toolkit at build time.
# - macOS: No effect (Metal is used automatically).
cuda = []

[build-dependencies]
reqwest = { version = "0.12", features = ["blocking"] }
zip = "2"

[dependencies]
serde = { workspace = true }
serde_json = { workspace = true }
tracing = { workspace = true }

# Dynamic library loading for whisper.cpp FFI
libloading = "0.8"

# HTTP client for model downloading
reqwest = { version = "0.12", features = ["blocking", "stream"] }

# Async runtime
tokio = { workspace = true }

# Audio file handling
hound = "3.5"

# FFT for spectrogram
rustfft = "6.2"

# Date/time for filenames
chrono = "0.4"

# Async stream support for model download
futures = "0.3"

# File paths
directories = "5"

# Config serialization
toml = "0.8"

# UUID generation for history entries
uuid = { version = "1", features = ["v4"] }

# =============================================================================
# Platform-specific dependencies
# =============================================================================

[target.'cfg(unix)'.dependencies]
libc = "0.2"

[target.'cfg(windows)'.dependencies]
aec3 = "0.1"
windows = { version = "0.58", features = [
    "Win32_Foundation",
    "Win32_Media_Audio",
    "Win32_Media_KernelStreaming",
    "Win32_Media_Multimedia",
    "Win32_System_Com",
    "Win32_System_Threading",
    "Win32_Security",
    "Win32_Devices_FunctionDiscovery",
    "Win32_System_Com_StructuredStorage",
    "Win32_UI_Shell_PropertiesSystem",
] }

[target.'cfg(target_os = "linux")'.dependencies]
aec3 = "0.1"
pipewire = "0.8"

[target.'cfg(target_os = "macos")'.dependencies]
coreaudio-rs = "0.11"
screencapturekit-sys = "0.2"
core-foundation = "0.10"
objc2 = "0.5"
objc2-foundation = { version = "0.2", features = ["NSString", "NSArray", "NSError", "dispatch", "block2", "NSGeometry", "NSValue", "NSUUID"] }
block2 = "0.5"
dispatch = "0.2"
aec3 = "0.1"
libc = "0.2"