src/audio_video_generator/config.py

"""Configuration constants for Audio Video Generator."""

from typing import Dict, Tuple, List

# Resolution presets
RESOLUTION_MAP: Dict[str, Tuple[int, int]] = {
    "landscape": (1280, 720),   # YouTube style
    "portrait": (720, 1280),
    "square": (1080, 1080)
}

# Image file extensions
IMAGE_EXTENSIONS: Tuple[str, ...] = (".png", ".jpg", ".jpeg")

# Audio file extensions
AUDIO_EXTENSIONS: Tuple[str, ...] = (".mp3", ".wav", ".m4a", ".aac", ".flac", ".ogg", ".mp4")

# Animation options
ANIMATION_OPTIONS: List[str] = [
    "none",
    "zoom_in",
    "zoom_out",
    "fade_in",
    "blink",
    "pulse",
    "fade_zoom_in"
]

# Animation pool for random selection
ANIMATION_RANDOM_POOL: List[str] = [
    "zoom_in",
    "zoom_out",
    "fade_in",
    "blink",
    "pulse",
    "fade_zoom_in"
]

# Transition options
TRANSITION_OPTIONS: List[str] = [
    "none",
    "fade",
    "crossfade",
    "slide_left",
    "slide_right",
    "dip_to_black",
    "flash"
]

# Transition pool for random selection
TRANSITION_RANDOM_POOL: List[str] = [
    "fade",
    "crossfade",
    "slide_left",
    "slide_right",
    "dip_to_black",
    "flash"
]

# Text animation options
TEXT_ANIMATION_OPTIONS: List[str] = [
    "zoom_in",
    "fade_in",
    "pop_in",
    "pulse",
    "slide_up",
    "glow_pop",
    "typewriter"
]

# Text pattern options
TEXT_PATTERN_OPTIONS: List[str] = [
    "solid",
    "boxed",
    "highlighted"
]

# Text case options
TEXT_CASE_OPTIONS: List[str] = [
    "original",
    "upper",
    "lower",
    "title"
]

# Text alignment options
TEXT_ALIGNMENT_OPTIONS: List[str] = [
    "left",
    "center",
    "right"
]

# Default settings
DEFAULT_OUTPUT_NAME: str = "output.mp4"
DEFAULT_WHISPER_MODEL: str = "base"
MIN_EFFECT_DURATION: float = 2.0
DEFAULT_TEXT_PREVIEW_SIZE: Tuple[int, int] = (720, 405)
DEFAULT_FONT_SIZE: int = 56

# Transition durations (seconds)
TRANSITION_DURATIONS: Dict[str, float] = {
    "none": 0.0,
    "fade": 0.35,
    "crossfade": 0.55,
    "slide_left": 0.45,
    "slide_right": 0.45,
    "dip_to_black": 0.45,
    "flash": 0.30
}

# Font path candidates (system-dependent)
FONT_CANDIDATES: Dict[str, List[str]] = {
    "DejaVu Sans Bold": [
        "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf"
    ],
    "DejaVu Serif Bold": [
        "/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf"
    ],
    "Liberation Sans Bold": [
        "/usr/share/fonts/truetype/liberation2/LiberationSans-Bold.ttf",
        "/usr/share/fonts/truetype/liberation/LiberationSans-Bold.ttf"
    ]
}