analysis_tools.py•7.83 kB
import numpy as np
import reapy
from reapy import reascript_api as RPR
class AnalysisTools:
    """Tools for audio analysis and feedback in REAPER."""
    
    def __init__(self, config):
        """
        Initialize AnalysisTools with configuration.
        
        Args:
            config (dict): Configuration dictionary
        """
        self.config = config
    
    def analyze_frequency_spectrum(self, item_id=None):
        """
        Analyze the frequency spectrum of the specified item or project.
        
        Args:
            item_id (int, optional): Item ID (None for entire project)
            
        Returns:
            dict: Frequency analysis results
        """
        try:
            # This is a simplified implementation
            # In practice, you'd need to:
            # 1. Get audio data from REAPER
            # 2. Perform FFT analysis
            # 3. Process and return results
            
            # For now, return placeholder values
            frequency_bands = {
                "sub_bass": {"range": "20-60 Hz", "level": -18.0},
                "bass": {"range": "60-250 Hz", "level": -12.0},
                "low_mids": {"range": "250-500 Hz", "level": -10.0},
                "mids": {"range": "500-2000 Hz", "level": -8.0},
                "high_mids": {"range": "2000-4000 Hz", "level": -10.0},
                "presence": {"range": "4000-8000 Hz", "level": -12.0},
                "brilliance": {"range": "8000-20000 Hz", "level": -15.0}
            }
            
            if item_id:
                # Get item name for context
                try:
                    item = reapy.Item.from_id(item_id)
                    item_name = item.name or f"Item {item_id}"
                except:
                    item_name = f"Item {item_id}"
                
                return {
                    "success": True,
                    "item_id": item_id,
                    "item_name": item_name,
                    "frequency_bands": frequency_bands,
                    "message": "Note: These are placeholder values. Actual implementation would analyze audio data."
                }
            else:
                return {
                    "success": True,
                    "scope": "entire_project",
                    "frequency_bands": frequency_bands,
                    "message": "Note: These are placeholder values. Actual implementation would analyze audio data."
                }
        except Exception as e:
            return {
                "success": False,
                "error": str(e)
            }
    
    def detect_clipping(self):
        """
        Detect clipping in the project.
        
        Returns:
            dict: Clipping detection results
        """
        try:
            # This is a simplified implementation
            # In practice, you'd need to analyze audio levels throughout the project
            
            # For now, return placeholder values
            return {
                "success": True,
                "clipping_detected": False,
                "max_peak": -1.2,
                "message": "Note: These are placeholder values. Actual implementation would analyze audio levels."
            }
        except Exception as e:
            return {
                "success": False,
                "error": str(e)
            }
    
    def analyze_mix_balance(self):
        """
        Analyze the mix balance across the frequency spectrum.
        
        Returns:
            dict: Mix balance analysis results
        """
        try:
            # This is a simplified implementation
            # In practice, you'd need to analyze the frequency content of all tracks
            
            # For now, return placeholder values
            track_analysis = []
            
            project = reapy.Project()
            for i in range(project.n_tracks):
                track = project.tracks[i]
                track_analysis.append({
                    "track_id": track.id,
                    "name": track.name,
                    "dominant_frequency_range": "500-2000 Hz",
                    "level": -15.0
                })
            
            return {
                "success": True,
                "track_analysis": track_analysis,
                "overall_balance": "Good",
                "recommendations": [
                    "Consider reducing low-mid buildup around 300 Hz",
                    "High-end (8-12 kHz) could be enhanced for more clarity"
                ],
                "message": "Note: These are placeholder values. Actual implementation would analyze frequency content."
            }
        except Exception as e:
            return {
                "success": False,
                "error": str(e)
            }
    
    def analyze_stereo_field(self):
        """
        Analyze the stereo field of the mix.
        
        Returns:
            dict: Stereo field analysis results
        """
        try:
            # This is a simplified implementation
            # In practice, you'd need to analyze the stereo content of the mix
            
            # For now, return placeholder values
            return {
                "success": True,
                "stereo_width": "Medium",
                "phase_issues": False,
                "mono_compatibility": "Good",
                "recommendations": [
                    "Bass frequencies are well-centered",
                    "Consider widening high-frequency content for more immersion"
                ],
                "message": "Note: These are placeholder values. Actual implementation would analyze stereo content."
            }
        except Exception as e:
            return {
                "success": False,
                "error": str(e)
            }
    
    def analyze_dynamics(self):
        """
        Analyze the dynamics of the mix.
        
        Returns:
            dict: Dynamics analysis results
        """
        try:
            # This is a simplified implementation
            # In practice, you'd need to analyze the dynamic range of the mix
            
            # For now, return placeholder values
            return {
                "success": True,
                "dynamic_range": 8.5,
                "crest_factor": 12.0,
                "rms_level": -18.0,
                "peak_level": -6.0,
                "recommendations": [
                    "Dynamic range is appropriate for the genre",
                    "Consider less compression on drum overheads for more natural sound"
                ],
                "message": "Note: These are placeholder values. Actual implementation would analyze dynamic range."
            }
        except Exception as e:
            return {
                "success": False,
                "error": str(e)
            }
    
    def analyze_transients(self):
        """
        Analyze transients in the mix.
        
        Returns:
            dict: Transient analysis results
        """
        try:
            # This is a simplified implementation
            # In practice, you'd need to analyze transients in the audio
            
            # For now, return placeholder values
            return {
                "success": True,
                "transient_clarity": "Good",
                "recommendations": [
                    "Kick drum transients are well-preserved",
                    "Snare could benefit from more attack"
                ],
                "message": "Note: These are placeholder values. Actual implementation would analyze transients."
            }
        except Exception as e:
            return {
                "success": False,
                "error": str(e)
            }