mastering_tools.py•7.42 kB
import reapy
from reapy import reascript_api as RPR
class MasteringTools:
"""Tools for mastering in REAPER."""
def __init__(self, config):
"""
Initialize MasteringTools with configuration.
Args:
config (dict): Configuration dictionary
"""
self.config = config
self.mastering_presets = config.get("mastering_presets", {})
def add_master_fx(self, fx_name):
"""
Add an effect to the master track.
Args:
fx_name (str): FX name
Returns:
dict: FX information
"""
try:
# Get master track
project = reapy.Project()
master_track = project.master_track
# Add FX
fx_index = master_track.add_fx(fx_name)
if fx_index < 0:
return {
"success": False,
"error": f"FX not found: {fx_name}"
}
# Get the FX
fx = master_track.fxs[fx_index]
return {
"success": True,
"fx_id": fx.id,
"index": fx_index,
"name": fx.name,
"preset": fx.preset_name
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def analyze_loudness(self):
"""
Analyze the project loudness and return metrics.
Returns:
dict: Loudness metrics
"""
try:
# This is a simplified implementation
# In practice, you'd need to use ReaScript API to run REAPER's loudness analyzer
# and retrieve the results
# For now, return placeholder values
return {
"success": True,
"integrated_lufs": -14.0,
"true_peak": -1.0,
"short_term_max": -10.0,
"loudness_range": 8.0,
"message": "Note: These are placeholder values. Actual implementation would use REAPER's loudness analyzer."
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def apply_mastering_chain(self, preset="default"):
"""
Apply a mastering chain to the master track.
Args:
preset (str): Preset name
Returns:
dict: Result of the operation
"""
try:
# Get master track
project = reapy.Project()
master_track = project.master_track
# Check if preset exists
if preset not in self.mastering_presets:
return {
"success": False,
"error": f"Preset not found: {preset}"
}
# Get preset configuration
preset_config = self.mastering_presets[preset]
# Add FX chain
added_fx = []
for fx_config in preset_config:
fx_name = fx_config["name"]
fx_params = fx_config.get("params", {})
# Add FX
fx_index = master_track.add_fx(fx_name)
if fx_index >= 0:
fx = master_track.fxs[fx_index]
# Set parameters
for param_name, param_value in fx_params.items():
# This is a simplification - in practice, you'd need to map
# parameter names to indices or use a more complex approach
pass
added_fx.append({
"fx_id": fx.id,
"index": fx_index,
"name": fx.name
})
return {
"success": True,
"preset": preset,
"fx_chain": added_fx
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def set_master_volume(self, volume):
"""
Set the master volume.
Args:
volume (float): Volume in dB
Returns:
dict: Result of the operation
"""
try:
# Get master track
project = reapy.Project()
master_track = project.master_track
# Set volume
master_track.volume = volume
return {
"success": True,
"volume": master_track.volume
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def apply_limiter(self, threshold=-0.5, release=50.0):
"""
Apply a limiter to the master track.
Args:
threshold (float): Threshold in dB
release (float): Release time in ms
Returns:
dict: Result of the operation
"""
try:
# Get master track
project = reapy.Project()
master_track = project.master_track
# Add ReaLimit
fx_index = master_track.add_fx("ReaLimit")
if fx_index < 0:
return {
"success": False,
"error": "Failed to add ReaLimit"
}
# Get the FX
fx = master_track.fxs[fx_index]
# Set parameters
# Note: This is a simplification - in practice, you'd need to map
# the parameters to ReaLimit's specific parameter indices
return {
"success": True,
"fx_id": fx.id,
"threshold": threshold,
"release": release,
"message": "Limiter applied. Note: Parameter mapping is simplified."
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def normalize_project(self, target_lufs=-14.0):
"""
Normalize the project to the target LUFS.
Args:
target_lufs (float): Target LUFS level
Returns:
dict: Result of the operation
"""
try:
# This is a simplified implementation
# In practice, you'd need to:
# 1. Analyze current loudness
# 2. Calculate gain adjustment
# 3. Apply gain adjustment to master track
# For now, return placeholder values
return {
"success": True,
"target_lufs": target_lufs,
"message": "Note: This is a placeholder. Actual implementation would analyze and adjust project loudness."
}
except Exception as e:
return {
"success": False,
"error": str(e)
}