render_tools.py•8.75 kB
import os
from pathlib import Path
import reapy
from reapy import reascript_api as RPR
class RenderTools:
"""Tools for rendering and exporting in REAPER."""
def __init__(self, config):
"""
Initialize RenderTools with configuration.
Args:
config (dict): Configuration dictionary
"""
self.config = config
self.default_sample_rate = config.get("default_sample_rate", 44100)
self.default_bit_depth = config.get("default_bit_depth", 24)
self.default_audio_format = config.get("default_audio_format", "wav")
def render_project(self, output_path, format=None, sample_rate=None, bit_depth=None):
"""
Render the project to the specified file.
Args:
output_path (str): Output file path
format (str): Audio format (wav, mp3, flac, etc.)
sample_rate (int): Sample rate in Hz
bit_depth (int): Bit depth
Returns:
dict: Result of the operation
"""
try:
# Use default values if not specified
format = format or self.default_audio_format
sample_rate = sample_rate or self.default_sample_rate
bit_depth = bit_depth or self.default_bit_depth
# Ensure directory exists
os.makedirs(os.path.dirname(os.path.abspath(output_path)), exist_ok=True)
# Get project
project = reapy.Project()
# Set render settings
# Note: This is a simplified implementation
# In practice, you'd need to use ReaScript API to set render settings
# Render project
# Note: This is a simplified implementation
# In practice, you'd need to use ReaScript API to trigger rendering
# For now, return placeholder values
return {
"success": True,
"output_path": output_path,
"format": format,
"sample_rate": sample_rate,
"bit_depth": bit_depth,
"message": "Note: This is a placeholder. Actual implementation would render the project."
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def render_stems(self, output_directory, tracks=None):
"""
Render stems for the specified tracks.
Args:
output_directory (str): Output directory
tracks (list): List of track IDs to render (None for all)
Returns:
dict: Result of the operation
"""
try:
# Ensure directory exists
os.makedirs(output_directory, exist_ok=True)
# Get project
project = reapy.Project()
# Get tracks to render
track_list = []
if tracks is None:
# Render all tracks
for i in range(project.n_tracks):
track = project.tracks[i]
track_list.append({
"track_id": track.id,
"name": track.name
})
else:
# Render specified tracks
for track_id in tracks:
try:
track = reapy.Track.from_id(track_id)
track_list.append({
"track_id": track_id,
"name": track.name
})
except Exception as e:
print(f"Error getting track {track_id}: {e}")
# Render stems
# Note: This is a simplified implementation
# In practice, you'd need to use ReaScript API to render stems
# For now, return placeholder values
return {
"success": True,
"output_directory": output_directory,
"tracks": track_list,
"message": "Note: This is a placeholder. Actual implementation would render stems for each track."
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def render_selected_items(self, output_directory, format=None, sample_rate=None, bit_depth=None):
"""
Render selected items as separate files.
Args:
output_directory (str): Output directory
format (str): Audio format (wav, mp3, flac, etc.)
sample_rate (int): Sample rate in Hz
bit_depth (int): Bit depth
Returns:
dict: Result of the operation
"""
try:
# Use default values if not specified
format = format or self.default_audio_format
sample_rate = sample_rate or self.default_sample_rate
bit_depth = bit_depth or self.default_bit_depth
# Ensure directory exists
os.makedirs(output_directory, exist_ok=True)
# Get project
project = reapy.Project()
# Get selected items
selected_items = project.selected_items
if not selected_items:
return {
"success": False,
"error": "No items selected"
}
# Render items
# Note: This is a simplified implementation
# In practice, you'd need to use ReaScript API to render items
# For now, return placeholder values
item_list = []
for item in selected_items:
item_list.append({
"item_id": item.id,
"name": item.name or f"Item {item.id}"
})
return {
"success": True,
"output_directory": output_directory,
"format": format,
"sample_rate": sample_rate,
"bit_depth": bit_depth,
"items": item_list,
"message": "Note: This is a placeholder. Actual implementation would render selected items."
}
except Exception as e:
return {
"success": False,
"error": str(e)
}
def render_regions(self, output_directory, format=None, sample_rate=None, bit_depth=None):
"""
Render regions as separate files.
Args:
output_directory (str): Output directory
format (str): Audio format (wav, mp3, flac, etc.)
sample_rate (int): Sample rate in Hz
bit_depth (int): Bit depth
Returns:
dict: Result of the operation
"""
try:
# Use default values if not specified
format = format or self.default_audio_format
sample_rate = sample_rate or self.default_sample_rate
bit_depth = bit_depth or self.default_bit_depth
# Ensure directory exists
os.makedirs(output_directory, exist_ok=True)
# Get project
project = reapy.Project()
# Get regions
regions = []
for i in range(project.n_regions):
region = project.get_region(i)
regions.append({
"index": i,
"name": region.name,
"start": region.start,
"end": region.end
})
if not regions:
return {
"success": False,
"error": "No regions found"
}
# Render regions
# Note: This is a simplified implementation
# In practice, you'd need to use ReaScript API to render regions
return {
"success": True,
"output_directory": output_directory,
"format": format,
"sample_rate": sample_rate,
"bit_depth": bit_depth,
"regions": regions,
"message": "Note: This is a placeholder. Actual implementation would render regions."
}
except Exception as e:
return {
"success": False,
"error": str(e)
}