embed images

This commit is contained in:
Mariano Gabriel
2025-10-28 08:02:45 -03:00
parent b1e1daf278
commit 118ef04223
12 changed files with 1016 additions and 61 deletions

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# 02 - Hybrid OpenCV + OCR + LLM Approach
## Date
2025-10-28
## Context
Vision models (llava) were hallucinating text content badly - showing HTML code when there was none, inventing text that didn't exist. Pure OCR was fast and accurate but lost code formatting and structure.
## Problem
- **Vision models**: Hallucinate text content, can't be trusted for accurate extraction
- **Pure OCR**: Accurate text but messy output, lost indentation/formatting
- **Need**: Accurate text extraction + preserved code structure
## Solution: Three-Stage Hybrid Approach
### Stage 1: OpenCV Text Detection
Use morphological operations to find text regions:
- Adaptive thresholding (handles varying lighting)
- Dilation with horizontal kernel to connect text lines
- Contour detection to find bounding boxes
- Filter by area and aspect ratio
- Merge overlapping regions
### Stage 2: Region-Based OCR
- Sort regions by reading order (top-to-bottom, left-to-right)
- Crop each region from original image
- Run OCR on cropped regions (more accurate than full frame)
- Tesseract with PSM 6 mode to preserve layout
- Preserve indentation in cleaning step
### Stage 3: Optional LLM Cleanup
- Take accurate OCR output (no hallucination)
- Use lightweight LLM (llama3.2:3b for speed) to:
- Fix obvious OCR errors (l→1, O→0)
- Restore code indentation and structure
- Preserve exact text content
- No added explanations or hallucinated content
## Benefits
**Accurate**: OCR reads actual pixels, no hallucination
**Fast**: OpenCV detection is instant, focused OCR is quick
**Structured**: Regions separated with headers showing position
**Formatted**: Optional LLM cleanup preserves/restores code structure
**Deterministic**: Same input = same output (unlike vision models)
## Implementation
**New file:** `meetus/hybrid_processor.py`
- `HybridProcessor` class with OpenCV detection + OCR + optional LLM
- Region sorting for proper reading order
- Visual separators between regions
**CLI flags:**
```bash
--use-hybrid # Enable hybrid mode
--hybrid-llm-cleanup # Add LLM post-processing (optional)
--hybrid-llm-model MODEL # LLM model (default: llama3.2:3b)
```
**OCR improvements:**
- Tesseract PSM 6 mode for better layout preservation
- Modified text cleaning to keep indentation
- `preserve_layout` parameter
## Usage
```bash
# Basic hybrid (OpenCV + OCR)
python process_meeting.py samples/video.mkv --use-hybrid --scene-detection
# With LLM cleanup for best code formatting
python process_meeting.py samples/video.mkv --use-hybrid --hybrid-llm-cleanup --scene-detection -v
# Iterate on threshold
python process_meeting.py samples/video.mkv --use-hybrid --scene-detection --scene-threshold 5 --skip-cache-frames --skip-cache-analysis
```
## Output Format
```
[Region 1 at y=120]
function calculateTotal(items) {
return items.reduce((sum, item) => sum + item.price, 0);
}
============================================================
[Region 2 at y=450]
const result = calculateTotal(cartItems);
console.log('Total:', result);
```
## Performance
- **Without LLM cleanup**: Very fast (~2-3s per frame)
- **With LLM cleanup**: Slower but still faster than vision models (~5-8s per frame)
- **Accuracy**: Much better than vision model hallucinations
## When to Use What
| Method | Best For | Pros | Cons |
|--------|----------|------|------|
| **Hybrid** | Code/terminal text extraction | Accurate, fast, no hallucination | Formatting may be messy |
| **Hybrid + LLM** | Code with preserved structure | Accurate + formatted | Slower, needs Ollama |
| **Vision** | Understanding layout/context | Semantic understanding | Hallucinates text |
| **Pure OCR** | Simple text, no structure needed | Fast, simple | Full-frame, no region detection |
## Files Modified
- `meetus/hybrid_processor.py` - New hybrid processor
- `meetus/ocr_processor.py` - Layout preservation
- `meetus/workflow.py` - Hybrid mode integration
- `process_meeting.py` - CLI flags and examples

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# 03 - Embed Images for LLM Analysis
## Date
2025-10-28
## Context
Hybrid OCR approach was fast and accurate but formatting was messy. Vision models hallucinated text. Rather than fighting with text extraction, a better approach is to embed the actual frame images in the enhanced transcript and let the end-user's LLM analyze them with full audio context.
## Problem
- OCR/vision models either hallucinate or produce messy text
- Code formatting/indentation is hard to preserve
- User wants to analyze frames with their own LLM (Claude, GPT, etc.)
- Need to keep file size reasonable (~200KB per image is too big)
## Solution: Image Embedding
Instead of extracting text, embed the actual frame images as base64 in the enhanced transcript. The LLM can then:
- See the actual screen content (no hallucination)
- Understand code structure, layout, and formatting visually
- Have full audio transcript context for each frame
- Analyze dashboards, terminals, editors with perfect accuracy
## Implementation
**Quality Optimization:**
- Default JPEG quality: 80 (good tradeoff between size and readability)
- Configurable via `--embed-quality` (0-100)
- Typical sizes at quality 80: ~40-80KB per image (vs 200KB original)
**Format:**
```
[MM:SS] SPEAKER:
Audio transcript text here
[MM:SS] SCREEN CONTENT:
IMAGE (base64, 52KB):
<image>data:image/jpeg;base64,/9j/4AAQSkZJRg...</image>
TEXT:
| Optional OCR text for reference
```
**Features:**
- Base64 encoding for easy embedding
- Size tracking and reporting
- Optional text content alongside images
- Works with scene detection for smart frame selection
## Usage
```bash
# Basic: Embed images at quality 80 (default)
python process_meeting.py samples/video.mkv --run-whisper --embed-images --scene-detection --no-cache -v
# Lower quality for smaller files (still readable)
python process_meeting.py samples/video.mkv --run-whisper --embed-images --embed-quality 60 --scene-detection --no-cache -v
# Higher quality for detailed code
python process_meeting.py samples/video.mkv --run-whisper --embed-images --embed-quality 90 --scene-detection --no-cache -v
# Iterate on scene threshold (reuse whisper)
python process_meeting.py samples/video.mkv --embed-images --scene-detection --scene-threshold 5 --skip-cache-frames --skip-cache-analysis -v
```
## File Sizes
**Example for 20 frames:**
- Quality 60: ~30-50KB per image = 0.6-1MB total
- Quality 80: ~40-80KB per image = 0.8-1.6MB total (recommended)
- Quality 90: ~80-120KB per image = 1.6-2.4MB total
- Original: ~200KB per image = 4MB total
## Benefits
**No hallucination**: LLM sees actual pixels
**Perfect formatting**: Code structure preserved visually
**Full context**: Audio transcript + visual frame together
**User's choice**: Use your preferred LLM (Claude, GPT, etc.)
**Reasonable size**: Quality 80 gives 4x smaller files vs original
**Simple workflow**: One file contains everything
## Use Cases
**Code walkthroughs:** LLM can see actual code structure and indentation
**Dashboard analysis:** Charts, graphs, metrics visible to LLM
**Terminal sessions:** Commands and output in proper context
**UI reviews:** Actual interface visible with audio commentary
## Files Modified
- `meetus/transcript_merger.py` - Image encoding and embedding
- `meetus/workflow.py` - Wire through config
- `process_meeting.py` - CLI flags
- `meetus/output_manager.py` - Cleaner directory naming (date + increment)
## Output Directory Naming
Also changed output directory format for clarity:
- Old: `20251028_054553-video` (confusing timestamps)
- New: `20251028-001-video` (clear date + run number)

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# 04 - Fix Whisper Cache Loading
## Date
2025-10-28
## Problem
Enhanced transcript was not including the audio segments from cached whisper transcripts when running without the `--run-whisper` flag.
Example command that failed:
```bash
python process_meeting.py samples/zaca-run-scrapers.mkv --embed-images --scene-detection --scene-threshold 10 --skip-cache-frames -v
```
Result: Enhanced transcript only contained embedded images, no audio segments (0 "SPEAKER" entries).
## Root Cause
In `workflow.py`, the `_run_whisper()` method was checking the `run_whisper` flag **before** checking the cache:
```python
def _run_whisper(self) -> Optional[str]:
if not self.config.run_whisper:
return self.config.transcript_path # Returns None if --transcript not specified
# Cache check NEVER REACHED if run_whisper is False
cached = self.cache_mgr.get_whisper_cache()
if cached:
return str(cached)
```
This meant:
- User runs command without `--run-whisper`
- Method returns None immediately
- Cached whisper transcript is never discovered
- No audio segments in enhanced output
## Solution
Reorder the logic to check cache **first**, regardless of flags:
```python
def _run_whisper(self) -> Optional[str]:
"""Run Whisper transcription if requested, or use cached/provided transcript."""
# First, check cache (regardless of run_whisper flag)
cached = self.cache_mgr.get_whisper_cache()
if cached:
return str(cached)
# If no cache and not running whisper, use provided transcript path (if any)
if not self.config.run_whisper:
return self.config.transcript_path
# If no cache and run_whisper is True, run whisper transcription
# ... rest of whisper code
```
## New Behavior
1. Cache is checked first (regardless of `--run-whisper` flag)
2. If cached whisper exists, use it
3. If no cache and `--run-whisper` not specified, use `--transcript` path (or None)
4. If no cache and `--run-whisper` specified, run whisper
## Benefits
✓ Cached whisper transcripts are always discovered and used
✓ User can iterate on frame extraction/analysis without re-running whisper
✓ Enhanced transcripts now properly include both audio + visual content
✓ Granular cache flags (`--skip-cache-frames`, `--skip-cache-whisper`) work as expected
## Use Case
```bash
# First run: Generate whisper transcript + extract frames
python process_meeting.py samples/video.mkv --run-whisper --embed-images --scene-detection -v
# Second run: Iterate on scene threshold without re-running whisper
python process_meeting.py samples/video.mkv --embed-images --scene-detection --scene-threshold 10 --skip-cache-frames -v
# Now correctly includes cached whisper transcript in enhanced output!
```
## Files Modified
- `meetus/workflow.py` - Reordered logic in `_run_whisper()` method (lines 172-181)

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@@ -48,6 +48,17 @@ class CacheManager:
cache_path = self.output_dir / f"{self.video_name}.json" cache_path = self.output_dir / f"{self.video_name}.json"
if cache_path.exists(): if cache_path.exists():
logger.info(f"✓ Found cached Whisper transcript: {cache_path.name}") logger.info(f"✓ Found cached Whisper transcript: {cache_path.name}")
# Debug: Show cached transcript info
try:
import json
with open(cache_path, 'r', encoding='utf-8') as f:
data = json.load(f)
if 'segments' in data:
logger.debug(f"Cached transcript has {len(data['segments'])} segments")
except Exception as e:
logger.debug(f"Could not parse cached whisper for debug: {e}")
return cache_path return cache_path
return None return None
@@ -68,6 +79,7 @@ class CacheManager:
return None return None
logger.info(f"✓ Found {len(existing_frames)} cached frames in {self.frames_dir.name}/") logger.info(f"✓ Found {len(existing_frames)} cached frames in {self.frames_dir.name}/")
logger.debug(f"Frame filenames: {[f.name for f in sorted(existing_frames)[:3]]}...")
# Build frames_info from existing files # Build frames_info from existing files
frames_info = [] frames_info = []
@@ -102,6 +114,11 @@ class CacheManager:
with open(cache_path, 'r', encoding='utf-8') as f: with open(cache_path, 'r', encoding='utf-8') as f:
results = json.load(f) results = json.load(f)
logger.info(f"✓ Loaded {len(results)} analyzed frames from cache") logger.info(f"✓ Loaded {len(results)} analyzed frames from cache")
# Debug: Show first cached result
if results:
logger.debug(f"First cached result: timestamp={results[0].get('timestamp')}, text_length={len(results[0].get('text', ''))}")
return results return results
return None return None

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@@ -16,17 +16,19 @@ logger = logging.getLogger(__name__)
class FrameExtractor: class FrameExtractor:
"""Extract frames from video files.""" """Extract frames from video files."""
def __init__(self, video_path: str, output_dir: str = "frames"): def __init__(self, video_path: str, output_dir: str = "frames", quality: int = 75):
""" """
Initialize frame extractor. Initialize frame extractor.
Args: Args:
video_path: Path to video file video_path: Path to video file
output_dir: Directory to save extracted frames output_dir: Directory to save extracted frames
quality: JPEG quality for saved frames (0-100)
""" """
self.video_path = video_path self.video_path = video_path
self.output_dir = Path(output_dir) self.output_dir = Path(output_dir)
self.output_dir.mkdir(parents=True, exist_ok=True) self.output_dir.mkdir(parents=True, exist_ok=True)
self.quality = quality
def extract_by_interval(self, interval_seconds: int = 5) -> List[Tuple[str, float]]: def extract_by_interval(self, interval_seconds: int = 5) -> List[Tuple[str, float]]:
""" """
@@ -56,8 +58,16 @@ class FrameExtractor:
frame_filename = f"frame_{saved_count:05d}_{timestamp:.2f}s.jpg" frame_filename = f"frame_{saved_count:05d}_{timestamp:.2f}s.jpg"
frame_path = self.output_dir / frame_filename frame_path = self.output_dir / frame_filename
# Use high quality for text readability (95 = high quality JPEG) # Downscale to 1600px width for smaller file size (but still readable)
cv2.imwrite(str(frame_path), frame, [cv2.IMWRITE_JPEG_QUALITY, 95]) height, width = frame.shape[:2]
if width > 1600:
ratio = 1600 / width
new_width = 1600
new_height = int(height * ratio)
frame = cv2.resize(frame, (new_width, new_height), interpolation=cv2.INTER_LANCZOS4)
# Save with configured quality (matches embed quality)
cv2.imwrite(str(frame_path), frame, [cv2.IMWRITE_JPEG_QUALITY, self.quality])
frames_info.append((str(frame_path), timestamp)) frames_info.append((str(frame_path), timestamp))
saved_count += 1 saved_count += 1
@@ -90,16 +100,24 @@ class FrameExtractor:
output_pattern = self.output_dir / f"{video_name}_%05d.jpg" output_pattern = self.output_dir / f"{video_name}_%05d.jpg"
try: try:
# Use FFmpeg's scene detection filter with high quality output # Use FFmpeg's scene detection filter with downscaling
stream = ffmpeg.input(self.video_path) stream = ffmpeg.input(self.video_path)
stream = ffmpeg.filter(stream, 'select', f'gt(scene,{threshold/100})') stream = ffmpeg.filter(stream, 'select', f'gt(scene,{threshold/100})')
stream = ffmpeg.filter(stream, 'showinfo') stream = ffmpeg.filter(stream, 'showinfo')
# Scale to 1600px width (maintains aspect ratio, still readable)
# Use simple conditional: if width > 1600, scale to 1600, else keep original
stream = ffmpeg.filter(stream, 'scale', w='min(1600,iw)', h=-1)
# Convert JPEG quality (0-100) to FFmpeg qscale (2-31, lower=better)
# Rough mapping: qscale ≈ (100 - quality) / 10, clamped to 2-31
qscale = max(2, min(31, int((100 - self.quality) / 10 + 2)))
stream = ffmpeg.output( stream = ffmpeg.output(
stream, stream,
str(output_pattern), str(output_pattern),
vsync='vfr', vsync='vfr',
frame_pts=1, frame_pts=1,
**{'q:v': '2'} # High quality JPEG **{'q:v': str(qscale)} # Matches configured quality
) )
# Run with stderr capture to get showinfo output # Run with stderr capture to get showinfo output

355
meetus/hybrid_processor.py Normal file
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"""
Hybrid frame analysis: OpenCV text detection + OCR for accurate extraction.
Better than pure vision models which tend to hallucinate text content.
"""
from typing import List, Tuple, Dict, Optional
from pathlib import Path
import logging
import cv2
import numpy as np
from difflib import SequenceMatcher
logger = logging.getLogger(__name__)
class HybridProcessor:
"""Combine OpenCV text detection with OCR for accurate text extraction."""
def __init__(self, ocr_engine: str = "tesseract", min_confidence: float = 0.5,
use_llm_cleanup: bool = False, llm_model: Optional[str] = None):
"""
Initialize hybrid processor.
Args:
ocr_engine: OCR engine to use ('tesseract', 'easyocr', 'paddleocr')
min_confidence: Minimum confidence for text detection (0-1)
use_llm_cleanup: Use LLM to clean up OCR output and preserve formatting
llm_model: Ollama model for cleanup (default: llama3.2:3b for speed)
"""
from .ocr_processor import OCRProcessor
self.ocr = OCRProcessor(engine=ocr_engine)
self.min_confidence = min_confidence
self.use_llm_cleanup = use_llm_cleanup
self.llm_model = llm_model or "llama3.2:3b"
self._llm_client = None
if use_llm_cleanup:
self._init_llm()
def _init_llm(self):
"""Initialize Ollama client for LLM cleanup."""
try:
import ollama
self._llm_client = ollama
logger.info(f"LLM cleanup enabled using {self.llm_model}")
except ImportError:
logger.warning("ollama package not installed. LLM cleanup disabled.")
self.use_llm_cleanup = False
def _cleanup_with_llm(self, raw_text: str) -> str:
"""
Use LLM to clean up OCR output and preserve code formatting.
Args:
raw_text: Raw OCR output
Returns:
Cleaned up text with proper formatting
"""
if not self.use_llm_cleanup or not self._llm_client:
return raw_text
prompt = """You are cleaning up OCR output from a code editor screenshot.
Your task:
1. Fix any obvious OCR errors (l→1, O→0, etc.)
2. Preserve or restore code indentation and structure
3. Keep the exact text content - don't add explanations or comments
4. If it's code, maintain proper spacing and formatting
5. Return ONLY the cleaned text, nothing else
OCR Text:
"""
try:
response = self._llm_client.generate(
model=self.llm_model,
prompt=prompt + raw_text,
options={"temperature": 0.1} # Low temperature for accuracy
)
cleaned = response['response'].strip()
logger.debug(f"LLM cleanup: {len(raw_text)}{len(cleaned)} chars")
return cleaned
except Exception as e:
logger.warning(f"LLM cleanup failed: {e}, using raw OCR output")
return raw_text
def detect_text_regions(self, image_path: str, min_area: int = 100) -> List[Tuple[int, int, int, int]]:
"""
Detect text regions in image using OpenCV.
Args:
image_path: Path to image file
min_area: Minimum area for text region (pixels)
Returns:
List of bounding boxes (x, y, w, h)
"""
# Read image
img = cv2.imread(image_path)
if img is None:
logger.warning(f"Could not read image: {image_path}")
return []
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# Method 1: Morphological operations to find text regions
# Works well for solid text blocks
regions = self._detect_by_morphology(gray, min_area)
if not regions:
logger.debug(f"No text regions detected in {Path(image_path).name}")
return regions
def _detect_by_morphology(self, gray: np.ndarray, min_area: int) -> List[Tuple[int, int, int, int]]:
"""
Detect text regions using morphological operations.
Fast and works well for solid text blocks (code editors, terminals).
Args:
gray: Grayscale image
min_area: Minimum area for region
Returns:
List of bounding boxes (x, y, w, h)
"""
# Apply adaptive threshold to handle varying lighting
binary = cv2.adaptiveThreshold(
gray, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C,
cv2.THRESH_BINARY_INV, 11, 2
)
# Morphological operations to connect text regions
kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (15, 3)) # Horizontal kernel for text lines
dilated = cv2.dilate(binary, kernel, iterations=2)
# Find contours
contours, _ = cv2.findContours(dilated, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
# Filter and extract bounding boxes
regions = []
for contour in contours:
x, y, w, h = cv2.boundingRect(contour)
area = w * h
# Filter by area and aspect ratio
if area > min_area and w > 20 and h > 10: # Reasonable text dimensions
regions.append((x, y, w, h))
# Merge overlapping regions
regions = self._merge_overlapping_regions(regions)
logger.debug(f"Detected {len(regions)} text regions using morphology")
return regions
def _merge_overlapping_regions(
self, regions: List[Tuple[int, int, int, int]],
overlap_threshold: float = 0.3
) -> List[Tuple[int, int, int, int]]:
"""
Merge overlapping bounding boxes.
Args:
regions: List of (x, y, w, h) tuples
overlap_threshold: Minimum overlap ratio to merge
Returns:
Merged regions
"""
if not regions:
return []
# Sort by y-coordinate (top to bottom)
regions = sorted(regions, key=lambda r: r[1])
merged = []
current = list(regions[0])
for region in regions[1:]:
x, y, w, h = region
cx, cy, cw, ch = current
# Check for overlap
x_overlap = max(0, min(cx + cw, x + w) - max(cx, x))
y_overlap = max(0, min(cy + ch, y + h) - max(cy, y))
overlap_area = x_overlap * y_overlap
current_area = cw * ch
region_area = w * h
min_area = min(current_area, region_area)
if overlap_area / min_area > overlap_threshold:
# Merge regions
new_x = min(cx, x)
new_y = min(cy, y)
new_x2 = max(cx + cw, x + w)
new_y2 = max(cy + ch, y + h)
current = [new_x, new_y, new_x2 - new_x, new_y2 - new_y]
else:
merged.append(tuple(current))
current = list(region)
merged.append(tuple(current))
return merged
def extract_text_from_region(self, image_path: str, region: Tuple[int, int, int, int]) -> str:
"""
Extract text from a specific region using OCR.
Args:
image_path: Path to image file
region: Bounding box (x, y, w, h)
Returns:
Extracted text
"""
from PIL import Image
# Load image and crop region
img = Image.open(image_path)
x, y, w, h = region
cropped = img.crop((x, y, x + w, y + h))
# Save to temp file for OCR (or use in-memory)
import tempfile
with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as tmp:
cropped.save(tmp.name)
text = self.ocr.extract_text(tmp.name)
# Clean up temp file
Path(tmp.name).unlink()
return text
def analyze_frame(self, image_path: str) -> str:
"""
Analyze a frame: detect text regions and OCR them.
Args:
image_path: Path to image file
Returns:
Combined text from all detected regions
"""
# Detect text regions
regions = self.detect_text_regions(image_path)
if not regions:
# Fallback to full-frame OCR if no regions detected
logger.debug(f"No regions detected, using full-frame OCR for {Path(image_path).name}")
raw_text = self.ocr.extract_text(image_path)
return self._cleanup_with_llm(raw_text) if self.use_llm_cleanup else raw_text
# Sort regions by reading order (top-to-bottom, left-to-right)
regions = self._sort_regions_by_reading_order(regions)
# Extract text from each region
texts = []
for idx, region in enumerate(regions):
x, y, w, h = region
text = self.extract_text_from_region(image_path, region)
if text.strip():
# Add visual separator with region info
section_header = f"[Region {idx+1} at y={y}]"
texts.append(f"{section_header}\n{text.strip()}")
logger.debug(f"Region {idx+1}/{len(regions)} (y={y}): Extracted {len(text)} chars")
combined = ("\n\n" + "="*60 + "\n\n").join(texts)
logger.debug(f"Total extracted from {len(regions)} regions: {len(combined)} chars")
# Apply LLM cleanup if enabled
if self.use_llm_cleanup:
combined = self._cleanup_with_llm(combined)
return combined
def _sort_regions_by_reading_order(self, regions: List[Tuple[int, int, int, int]]) -> List[Tuple[int, int, int, int]]:
"""
Sort regions in reading order (top-to-bottom, left-to-right).
Args:
regions: List of (x, y, w, h) tuples
Returns:
Sorted regions
"""
# Sort primarily by y (top to bottom), secondarily by x (left to right)
# Group regions that are on roughly the same line (within 20px)
sorted_regions = sorted(regions, key=lambda r: (r[1] // 20, r[0]))
return sorted_regions
def process_frames(
self,
frames_info: List[Tuple[str, float]],
deduplicate: bool = True,
similarity_threshold: float = 0.85
) -> List[Dict]:
"""
Process multiple frames with hybrid analysis.
Args:
frames_info: List of (frame_path, timestamp) tuples
deduplicate: Whether to remove similar consecutive analyses
similarity_threshold: Threshold for considering analyses as duplicates (0-1)
Returns:
List of dicts with 'timestamp', 'text', and 'frame_path'
"""
results = []
prev_text = ""
total = len(frames_info)
logger.info(f"Starting hybrid analysis of {total} frames...")
for idx, (frame_path, timestamp) in enumerate(frames_info, 1):
logger.info(f"Analyzing frame {idx}/{total} at {timestamp:.2f}s...")
text = self.analyze_frame(frame_path)
if not text:
logger.warning(f"No content extracted from frame at {timestamp:.2f}s")
continue
# Debug: Show what was extracted
logger.debug(f"Frame {idx} ({timestamp:.2f}s): Extracted {len(text)} chars")
logger.debug(f"Content preview: {text[:150]}{'...' if len(text) > 150 else ''}")
# Deduplicate similar consecutive frames
if deduplicate and prev_text:
similarity = self._text_similarity(prev_text, text)
logger.debug(f"Similarity to previous frame: {similarity:.2f} (threshold: {similarity_threshold})")
if similarity > similarity_threshold:
logger.debug(f"⊘ Skipping duplicate frame at {timestamp:.2f}s (similarity: {similarity:.2f})")
continue
results.append({
'timestamp': timestamp,
'text': text,
'frame_path': frame_path
})
prev_text = text
logger.info(f"Extracted content from {len(results)} frames (deduplication: {deduplicate})")
return results
def _text_similarity(self, text1: str, text2: str) -> float:
"""
Calculate similarity between two texts.
Returns:
Similarity score between 0 and 1
"""
return SequenceMatcher(None, text1, text2).ratio()

View File

@@ -53,20 +53,25 @@ class OCRProcessor:
else: else:
raise ValueError(f"Unknown OCR engine: {self.engine}") raise ValueError(f"Unknown OCR engine: {self.engine}")
def extract_text(self, image_path: str) -> str: def extract_text(self, image_path: str, preserve_layout: bool = True) -> str:
""" """
Extract text from a single image. Extract text from a single image.
Args: Args:
image_path: Path to image file image_path: Path to image file
preserve_layout: Try to preserve whitespace and layout
Returns: Returns:
Extracted text Extracted text
""" """
if self.engine == "tesseract": if self.engine == "tesseract":
from PIL import Image from PIL import Image
import pytesseract
image = Image.open(image_path) image = Image.open(image_path)
text = self._ocr_engine.image_to_string(image)
# Use PSM 6 (uniform block of text) to preserve layout better
config = '--psm 6' if preserve_layout else ''
text = pytesseract.image_to_string(image, config=config)
elif self.engine == "easyocr": elif self.engine == "easyocr":
result = self._ocr_engine.readtext(image_path, detail=0) result = self._ocr_engine.readtext(image_path, detail=0)
@@ -81,9 +86,28 @@ class OCRProcessor:
return self._clean_text(text) return self._clean_text(text)
def _clean_text(self, text: str) -> str: def _clean_text(self, text: str, preserve_indentation: bool = True) -> str:
"""Clean up OCR output.""" """
# Remove excessive whitespace Clean up OCR output.
Args:
text: Raw OCR text
preserve_indentation: Keep leading whitespace on lines
Returns:
Cleaned text
"""
if preserve_indentation:
# Remove excessive blank lines but preserve indentation
lines = text.split('\n')
cleaned_lines = []
for line in lines:
# Keep line if it has content or is single empty line
if line.strip() or (cleaned_lines and cleaned_lines[-1].strip()):
cleaned_lines.append(line)
return '\n'.join(cleaned_lines).strip()
else:
# Original aggressive cleaning
text = re.sub(r'\n\s*\n', '\n', text) text = re.sub(r'\n\s*\n', '\n', text)
text = re.sub(r' +', ' ', text) text = re.sub(r' +', ' ', text)
return text.strip() return text.strip()
@@ -108,18 +132,24 @@ class OCRProcessor:
results = [] results = []
prev_text = "" prev_text = ""
for frame_path, timestamp in frames_info: for idx, (frame_path, timestamp) in enumerate(frames_info, 1):
logger.debug(f"Processing frame at {timestamp:.2f}s...") logger.debug(f"Processing frame {idx}/{len(frames_info)} at {timestamp:.2f}s...")
text = self.extract_text(frame_path) text = self.extract_text(frame_path)
if not text: if not text:
logger.debug(f"No text extracted from frame at {timestamp:.2f}s")
continue continue
# Debug: Show what was extracted
logger.debug(f"Frame {idx} ({timestamp:.2f}s): Extracted {len(text)} chars")
logger.debug(f"Content preview: {text[:150]}{'...' if len(text) > 150 else ''}")
# Deduplicate similar consecutive frames # Deduplicate similar consecutive frames
if deduplicate: if deduplicate and prev_text:
similarity = self._text_similarity(prev_text, text) similarity = self._text_similarity(prev_text, text)
logger.debug(f"Similarity to previous frame: {similarity:.2f} (threshold: {similarity_threshold})")
if similarity > similarity_threshold: if similarity > similarity_threshold:
logger.debug(f"Skipping duplicate frame at {timestamp:.2f}s (similarity: {similarity:.2f})") logger.debug(f"Skipping duplicate frame at {timestamp:.2f}s (similarity: {similarity:.2f})")
continue continue
results.append({ results.append({

View File

@@ -36,7 +36,7 @@ class OutputManager:
def _get_or_create_output_dir(self) -> Path: def _get_or_create_output_dir(self) -> Path:
""" """
Get existing output directory or create a new timestamped one. Get existing output directory or create a new one with incremental number.
Returns: Returns:
Path to output directory Path to output directory
@@ -54,9 +54,29 @@ class OutputManager:
logger.info(f"Found existing output: {existing_dirs[0].name}") logger.info(f"Found existing output: {existing_dirs[0].name}")
return existing_dirs[0] return existing_dirs[0]
# Create new timestamped directory # Create new directory with date + incremental number
timestamp = datetime.now().strftime("%Y%m%d_%H%M%S") date_str = datetime.now().strftime("%Y%m%d")
dir_name = f"{timestamp}-{video_name}"
# Find existing runs for today
if self.base_output_dir.exists():
existing_today = [
d for d in self.base_output_dir.iterdir()
if d.is_dir() and d.name.startswith(date_str) and d.name.endswith(f"-{video_name}")
]
# Extract run numbers and find max
run_numbers = []
for d in existing_today:
# Format: YYYYMMDD-NNN-videoname
parts = d.name.split('-')
if len(parts) >= 2 and parts[1].isdigit():
run_numbers.append(int(parts[1]))
next_run = max(run_numbers) + 1 if run_numbers else 1
else:
next_run = 1
dir_name = f"{date_str}-{next_run:03d}-{video_name}"
output_dir = self.base_output_dir / dir_name output_dir = self.base_output_dir / dir_name
output_dir.mkdir(parents=True, exist_ok=True) output_dir.mkdir(parents=True, exist_ok=True)
logger.info(f"Created new output directory: {dir_name}") logger.info(f"Created new output directory: {dir_name}")

View File

@@ -6,6 +6,8 @@ from typing import List, Dict, Optional
import json import json
from pathlib import Path from pathlib import Path
import logging import logging
import base64
from io import BytesIO
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@@ -13,9 +15,16 @@ logger = logging.getLogger(__name__)
class TranscriptMerger: class TranscriptMerger:
"""Merge audio transcripts with screen OCR text.""" """Merge audio transcripts with screen OCR text."""
def __init__(self): def __init__(self, embed_images: bool = False, embed_quality: int = 80):
"""Initialize transcript merger.""" """
pass Initialize transcript merger.
Args:
embed_images: Whether to embed frame images as base64
embed_quality: JPEG quality for embedded images (0-100)
"""
self.embed_images = embed_images
self.embed_quality = embed_quality
def load_whisper_transcript(self, transcript_path: str, group_interval: Optional[int] = None) -> List[Dict]: def load_whisper_transcript(self, transcript_path: str, group_interval: Optional[int] = None) -> List[Dict]:
""" """
@@ -120,6 +129,32 @@ class TranscriptMerger:
logger.info(f"Grouped {len(segments)} segments into {len(intervals)} intervals of {interval_seconds}s") logger.info(f"Grouped {len(segments)} segments into {len(intervals)} intervals of {interval_seconds}s")
return intervals return intervals
def _encode_image_base64(self, image_path: str) -> tuple[str, int]:
"""
Encode image as base64 (image already at target quality/size).
Args:
image_path: Path to image file
Returns:
Tuple of (base64_string, size_in_bytes)
"""
try:
# Read file directly (already at target quality/resolution)
with open(image_path, 'rb') as f:
img_bytes = f.read()
# Encode to base64
b64_string = base64.b64encode(img_bytes).decode('utf-8')
logger.debug(f"Encoded {Path(image_path).name}: {len(img_bytes)} bytes")
return b64_string, len(img_bytes)
except Exception as e:
logger.error(f"Failed to encode image {image_path}: {e}")
return "", 0
def merge_transcripts( def merge_transcripts(
self, self,
audio_segments: List[Dict], audio_segments: List[Dict],
@@ -172,10 +207,15 @@ class TranscriptMerger:
lines = [] lines = []
lines.append("=" * 80) lines.append("=" * 80)
lines.append("ENHANCED MEETING TRANSCRIPT") lines.append("ENHANCED MEETING TRANSCRIPT")
if self.embed_images:
lines.append("Audio transcript + Embedded frame images (base64)")
else:
lines.append("Audio transcript + Screen content") lines.append("Audio transcript + Screen content")
lines.append("=" * 80) lines.append("=" * 80)
lines.append("") lines.append("")
total_image_bytes = 0
for seg in segments: for seg in segments:
timestamp = self._format_timestamp(seg['timestamp']) timestamp = self._format_timestamp(seg['timestamp'])
@@ -186,11 +226,31 @@ class TranscriptMerger:
else: # screen else: # screen
lines.append(f"[{timestamp}] SCREEN CONTENT:") lines.append(f"[{timestamp}] SCREEN CONTENT:")
# Indent screen text for visibility
screen_text = seg['text'].replace('\n', '\n | ') # Embed image if requested
lines.append(f" | {screen_text}") if self.embed_images and 'frame_path' in seg:
b64_img, img_size = self._encode_image_base64(seg['frame_path'])
total_image_bytes += img_size
if b64_img:
lines.append(f" IMAGE (base64, {img_size // 1024}KB):")
lines.append(f" <image>data:image/jpeg;base64,{b64_img}</image>")
lines.append("") lines.append("")
# Include text content if available (fallback or additional context)
if 'text' in seg and seg['text'].strip():
screen_text = seg['text'].replace('\n', '\n | ')
lines.append(f" TEXT:")
lines.append(f" | {screen_text}")
lines.append("")
if self.embed_images and total_image_bytes > 0:
total_mb = total_image_bytes / (1024 * 1024)
lines.append("")
lines.append(f"Total embedded images size: {total_mb:.2f} MB")
logger.info(f"Embedded {len([s for s in segments if s['type'] == 'screen'])} images, total size: {total_mb:.2f} MB")
return "\n".join(lines) return "\n".join(lines)
def _format_compact(self, segments: List[Dict]) -> str: def _format_compact(self, segments: List[Dict]) -> str:

View File

@@ -161,11 +161,16 @@ class VisionProcessor:
logger.warning(f"No content extracted from frame at {timestamp:.2f}s") logger.warning(f"No content extracted from frame at {timestamp:.2f}s")
continue continue
# Debug: Show what was extracted
logger.debug(f"Frame {idx} ({timestamp:.2f}s): Extracted {len(text)} chars")
logger.debug(f"Content preview: {text[:150]}{'...' if len(text) > 150 else ''}")
# Deduplicate similar consecutive frames # Deduplicate similar consecutive frames
if deduplicate: if deduplicate and prev_text:
similarity = self._text_similarity(prev_text, text) similarity = self._text_similarity(prev_text, text)
logger.debug(f"Similarity to previous frame: {similarity:.2f} (threshold: {similarity_threshold})")
if similarity > similarity_threshold: if similarity > similarity_threshold:
logger.debug(f"Skipping duplicate frame at {timestamp:.2f}s (similarity: {similarity:.2f})") logger.debug(f"Skipping duplicate frame at {timestamp:.2f}s (similarity: {similarity:.2f})")
continue continue
results.append({ results.append({

View File

@@ -40,10 +40,21 @@ class WorkflowConfig:
# Analysis options # Analysis options
self.use_vision = kwargs.get('use_vision', False) self.use_vision = kwargs.get('use_vision', False)
self.use_hybrid = kwargs.get('use_hybrid', False)
self.hybrid_llm_cleanup = kwargs.get('hybrid_llm_cleanup', False)
self.hybrid_llm_model = kwargs.get('hybrid_llm_model', 'llama3.2:3b')
self.vision_model = kwargs.get('vision_model', 'llava:13b') self.vision_model = kwargs.get('vision_model', 'llava:13b')
self.vision_context = kwargs.get('vision_context', 'meeting') self.vision_context = kwargs.get('vision_context', 'meeting')
self.ocr_engine = kwargs.get('ocr_engine', 'tesseract') self.ocr_engine = kwargs.get('ocr_engine', 'tesseract')
# Validation: can't use both vision and hybrid
if self.use_vision and self.use_hybrid:
raise ValueError("Cannot use both --use-vision and --use-hybrid. Choose one.")
# Validation: LLM cleanup requires hybrid mode
if self.hybrid_llm_cleanup and not self.use_hybrid:
raise ValueError("--hybrid-llm-cleanup requires --use-hybrid")
# Processing options # Processing options
self.no_deduplicate = kwargs.get('no_deduplicate', False) self.no_deduplicate = kwargs.get('no_deduplicate', False)
self.no_cache = kwargs.get('no_cache', False) self.no_cache = kwargs.get('no_cache', False)
@@ -52,6 +63,8 @@ class WorkflowConfig:
self.skip_cache_analysis = kwargs.get('skip_cache_analysis', False) self.skip_cache_analysis = kwargs.get('skip_cache_analysis', False)
self.extract_only = kwargs.get('extract_only', False) self.extract_only = kwargs.get('extract_only', False)
self.format = kwargs.get('format', 'detailed') self.format = kwargs.get('format', 'detailed')
self.embed_images = kwargs.get('embed_images', False)
self.embed_quality = kwargs.get('embed_quality', 80)
def to_dict(self) -> Dict[str, Any]: def to_dict(self) -> Dict[str, Any]:
"""Convert config to dictionary for manifest.""" """Convert config to dictionary for manifest."""
@@ -66,10 +79,10 @@ class WorkflowConfig:
"scene_threshold": self.scene_threshold if self.scene_detection else None "scene_threshold": self.scene_threshold if self.scene_detection else None
}, },
"analysis": { "analysis": {
"method": "vision" if self.use_vision else "ocr", "method": "vision" if self.use_vision else ("hybrid" if self.use_hybrid else "ocr"),
"vision_model": self.vision_model if self.use_vision else None, "vision_model": self.vision_model if self.use_vision else None,
"vision_context": self.vision_context if self.use_vision else None, "vision_context": self.vision_context if self.use_vision else None,
"ocr_engine": self.ocr_engine if not self.use_vision else None, "ocr_engine": self.ocr_engine if (not self.use_vision) else None,
"deduplication": not self.no_deduplicate "deduplication": not self.no_deduplicate
}, },
"output_format": self.format "output_format": self.format
@@ -113,10 +126,19 @@ class ProcessingWorkflow:
logger.info("MEETING PROCESSOR") logger.info("MEETING PROCESSOR")
logger.info("=" * 80) logger.info("=" * 80)
logger.info(f"Video: {self.config.video_path.name}") logger.info(f"Video: {self.config.video_path.name}")
logger.info(f"Analysis: {'Vision Model' if self.config.use_vision else f'OCR ({self.config.ocr_engine})'}")
# Determine analysis method
if self.config.use_vision: if self.config.use_vision:
logger.info(f"Vision Model: {self.config.vision_model}") analysis_method = f"Vision Model ({self.config.vision_model})"
logger.info(f"Analysis: {analysis_method}")
logger.info(f"Context: {self.config.vision_context}") logger.info(f"Context: {self.config.vision_context}")
elif self.config.use_hybrid:
analysis_method = f"Hybrid (OpenCV + {self.config.ocr_engine})"
logger.info(f"Analysis: {analysis_method}")
else:
analysis_method = f"OCR ({self.config.ocr_engine})"
logger.info(f"Analysis: {analysis_method}")
logger.info(f"Frame extraction: {'Scene detection' if self.config.scene_detection else f'Every {self.config.interval}s'}") logger.info(f"Frame extraction: {'Scene detection' if self.config.scene_detection else f'Every {self.config.interval}s'}")
logger.info(f"Caching: {'Disabled' if self.config.no_cache else 'Enabled'}") logger.info(f"Caching: {'Disabled' if self.config.no_cache else 'Enabled'}")
logger.info("=" * 80) logger.info("=" * 80)
@@ -148,15 +170,16 @@ class ProcessingWorkflow:
return self._build_result(transcript_path, screen_segments, enhanced_transcript) return self._build_result(transcript_path, screen_segments, enhanced_transcript)
def _run_whisper(self) -> Optional[str]: def _run_whisper(self) -> Optional[str]:
"""Run Whisper transcription if requested.""" """Run Whisper transcription if requested, or use cached/provided transcript."""
if not self.config.run_whisper: # First, check cache (regardless of run_whisper flag)
return self.config.transcript_path
# Check cache
cached = self.cache_mgr.get_whisper_cache() cached = self.cache_mgr.get_whisper_cache()
if cached: if cached:
return str(cached) return str(cached)
# If no cache and not running whisper, use provided transcript path (if any)
if not self.config.run_whisper:
return self.config.transcript_path
logger.info("=" * 80) logger.info("=" * 80)
logger.info("STEP 0: Running Whisper Transcription") logger.info("STEP 0: Running Whisper Transcription")
logger.info("=" * 80) logger.info("=" * 80)
@@ -195,6 +218,25 @@ class ProcessingWorkflow:
if transcript_path.exists(): if transcript_path.exists():
logger.info(f"✓ Whisper transcription completed: {transcript_path.name}") logger.info(f"✓ Whisper transcription completed: {transcript_path.name}")
# Debug: Show transcript preview
try:
import json
with open(transcript_path, 'r', encoding='utf-8') as f:
whisper_data = json.load(f)
if 'segments' in whisper_data:
logger.debug(f"Whisper produced {len(whisper_data['segments'])} segments")
if whisper_data['segments']:
logger.debug(f"First segment: {whisper_data['segments'][0]}")
logger.debug(f"Last segment: {whisper_data['segments'][-1]}")
if 'text' in whisper_data:
text_preview = whisper_data['text'][:200] + "..." if len(whisper_data.get('text', '')) > 200 else whisper_data.get('text', '')
logger.debug(f"Transcript preview: {text_preview}")
except Exception as e:
logger.debug(f"Could not parse whisper output for debug: {e}")
logger.info("") logger.info("")
return str(transcript_path) return str(transcript_path)
else: else:
@@ -216,12 +258,24 @@ class ProcessingWorkflow:
# Clean up old frames if regenerating # Clean up old frames if regenerating
if self.config.skip_cache_frames and self.output_mgr.frames_dir.exists(): if self.config.skip_cache_frames and self.output_mgr.frames_dir.exists():
logger.info("Cleaning up old frames...") old_frames = list(self.output_mgr.frames_dir.glob("*.jpg"))
for old_frame in self.output_mgr.frames_dir.glob("*.jpg"): if old_frames:
logger.info(f"Cleaning up {len(old_frames)} old frames...")
for old_frame in old_frames:
old_frame.unlink() old_frame.unlink()
logger.info("✓ Cleanup complete")
# Extract frames # Extract frames (use embed quality so saved files match embedded images)
extractor = FrameExtractor(str(self.config.video_path), str(self.output_mgr.frames_dir)) if self.config.scene_detection:
logger.info(f"Extracting frames with scene detection (threshold={self.config.scene_threshold})...")
else:
logger.info(f"Extracting frames every {self.config.interval}s...")
extractor = FrameExtractor(
str(self.config.video_path),
str(self.output_mgr.frames_dir),
quality=self.config.embed_quality
)
if self.config.scene_detection: if self.config.scene_detection:
frames_info = extractor.extract_scene_changes(threshold=self.config.scene_threshold) frames_info = extractor.extract_scene_changes(threshold=self.config.scene_threshold)
@@ -232,8 +286,29 @@ class ProcessingWorkflow:
return frames_info return frames_info
def _analyze_frames(self, frames_info): def _analyze_frames(self, frames_info):
"""Analyze frames with vision or OCR.""" """Analyze frames with vision, hybrid, or OCR."""
analysis_type = 'vision' if self.config.use_vision else 'ocr' # Skip analysis if just embedding images
if self.config.embed_images:
logger.info("Step 2: Skipping analysis (images will be embedded)")
# Create minimal segments with just frame paths and timestamps
screen_segments = [
{
'timestamp': timestamp,
'text': '', # No text extraction needed
'frame_path': frame_path
}
for frame_path, timestamp in frames_info
]
logger.info(f"✓ Prepared {len(screen_segments)} frames for embedding")
return screen_segments
# Determine analysis type
if self.config.use_vision:
analysis_type = 'vision'
elif self.config.use_hybrid:
analysis_type = 'hybrid'
else:
analysis_type = 'ocr'
# Check cache # Check cache
cached_analysis = self.cache_mgr.get_analysis_cache(analysis_type) cached_analysis = self.cache_mgr.get_analysis_cache(analysis_type)
@@ -242,6 +317,8 @@ class ProcessingWorkflow:
if self.config.use_vision: if self.config.use_vision:
return self._run_vision_analysis(frames_info) return self._run_vision_analysis(frames_info)
elif self.config.use_hybrid:
return self._run_hybrid_analysis(frames_info)
else: else:
return self._run_ocr_analysis(frames_info) return self._run_ocr_analysis(frames_info)
@@ -272,6 +349,13 @@ class ProcessingWorkflow:
) )
logger.info(f"✓ Analyzed {len(screen_segments)} frames with vision model") logger.info(f"✓ Analyzed {len(screen_segments)} frames with vision model")
# Debug: Show sample analysis results
if screen_segments:
logger.debug(f"First analysis result: timestamp={screen_segments[0].get('timestamp')}, text_length={len(screen_segments[0].get('text', ''))}")
logger.debug(f"First analysis text preview: {screen_segments[0].get('text', '')[:200]}...")
if len(screen_segments) > 1:
logger.debug(f"Last analysis result: timestamp={screen_segments[-1].get('timestamp')}, text_length={len(screen_segments[-1].get('text', ''))}")
# Cache results # Cache results
self.cache_mgr.save_analysis('vision', screen_segments) self.cache_mgr.save_analysis('vision', screen_segments)
return screen_segments return screen_segments
@@ -285,6 +369,42 @@ class ProcessingWorkflow:
cached = self.cache_mgr.get_whisper_cache() cached = self.cache_mgr.get_whisper_cache()
return str(cached) if cached else None return str(cached) if cached else None
def _run_hybrid_analysis(self, frames_info):
"""Run hybrid analysis on frames (OpenCV + OCR)."""
if self.config.hybrid_llm_cleanup:
logger.info("Step 2: Running hybrid analysis (OpenCV + OCR + LLM cleanup)...")
else:
logger.info("Step 2: Running hybrid analysis (OpenCV text detection + OCR)...")
try:
from .hybrid_processor import HybridProcessor
hybrid = HybridProcessor(
ocr_engine=self.config.ocr_engine,
use_llm_cleanup=self.config.hybrid_llm_cleanup,
llm_model=self.config.hybrid_llm_model
)
screen_segments = hybrid.process_frames(
frames_info,
deduplicate=not self.config.no_deduplicate
)
logger.info(f"✓ Processed {len(screen_segments)} frames with hybrid analysis")
# Debug: Show sample hybrid results
if screen_segments:
logger.debug(f"First hybrid result: timestamp={screen_segments[0].get('timestamp')}, text_length={len(screen_segments[0].get('text', ''))}")
logger.debug(f"First hybrid text preview: {screen_segments[0].get('text', '')[:200]}...")
if len(screen_segments) > 1:
logger.debug(f"Last hybrid result: timestamp={screen_segments[-1].get('timestamp')}, text_length={len(screen_segments[-1].get('text', ''))}")
# Cache results
self.cache_mgr.save_analysis('hybrid', screen_segments)
return screen_segments
except ImportError as e:
logger.error(f"{e}")
raise
def _run_ocr_analysis(self, frames_info): def _run_ocr_analysis(self, frames_info):
"""Run OCR analysis on frames.""" """Run OCR analysis on frames."""
logger.info("Step 2: Running OCR on extracted frames...") logger.info("Step 2: Running OCR on extracted frames...")
@@ -297,6 +417,13 @@ class ProcessingWorkflow:
) )
logger.info(f"✓ Processed {len(screen_segments)} frames with OCR") logger.info(f"✓ Processed {len(screen_segments)} frames with OCR")
# Debug: Show sample OCR results
if screen_segments:
logger.debug(f"First OCR result: timestamp={screen_segments[0].get('timestamp')}, text_length={len(screen_segments[0].get('text', ''))}")
logger.debug(f"First OCR text preview: {screen_segments[0].get('text', '')[:200]}...")
if len(screen_segments) > 1:
logger.debug(f"Last OCR result: timestamp={screen_segments[-1].get('timestamp')}, text_length={len(screen_segments[-1].get('text', ''))}")
# Cache results # Cache results
self.cache_mgr.save_analysis('ocr', screen_segments) self.cache_mgr.save_analysis('ocr', screen_segments)
return screen_segments return screen_segments
@@ -309,7 +436,10 @@ class ProcessingWorkflow:
def _merge_transcripts(self, transcript_path, screen_segments): def _merge_transcripts(self, transcript_path, screen_segments):
"""Merge audio and screen transcripts.""" """Merge audio and screen transcripts."""
merger = TranscriptMerger() merger = TranscriptMerger(
embed_images=self.config.embed_images,
embed_quality=self.config.embed_quality
)
# Load audio transcript if available # Load audio transcript if available
audio_segments = [] audio_segments = []
@@ -350,10 +480,18 @@ class ProcessingWorkflow:
def _build_result(self, transcript_path=None, screen_segments=None, enhanced_transcript=None): def _build_result(self, transcript_path=None, screen_segments=None, enhanced_transcript=None):
"""Build result dictionary.""" """Build result dictionary."""
# Determine analysis filename
if self.config.use_vision:
analysis_type = 'vision'
elif self.config.use_hybrid:
analysis_type = 'hybrid'
else:
analysis_type = 'ocr'
return { return {
"output_dir": str(self.output_mgr.output_dir), "output_dir": str(self.output_mgr.output_dir),
"transcript": transcript_path, "transcript": transcript_path,
"analysis": f"{self.config.video_path.stem}_{'vision' if self.config.use_vision else 'ocr'}.json", "analysis": f"{self.config.video_path.stem}_{analysis_type}.json",
"frames_count": len(screen_segments) if screen_segments else 0, "frames_count": len(screen_segments) if screen_segments else 0,
"enhanced_transcript": enhanced_transcript, "enhanced_transcript": enhanced_transcript,
"manifest": str(self.output_mgr.get_path("manifest.json")) "manifest": str(self.output_mgr.get_path("manifest.json"))

View File

@@ -32,23 +32,20 @@ def main():
formatter_class=argparse.RawDescriptionHelpFormatter, formatter_class=argparse.RawDescriptionHelpFormatter,
epilog=""" epilog="""
Examples: Examples:
# Run Whisper + vision analysis (recommended for code/dashboards) # Embed images for LLM analysis (recommended - let LLM analyze actual frames)
python process_meeting.py samples/meeting.mkv --run-whisper --use-vision python process_meeting.py samples/meeting.mkv --run-whisper --embed-images --scene-detection
# Use vision with specific context hint # Embed with custom quality (lower = smaller file size)
python process_meeting.py samples/meeting.mkv --run-whisper --use-vision --vision-context code python process_meeting.py samples/meeting.mkv --run-whisper --embed-images --embed-quality 60 --scene-detection
# Traditional OCR approach # Hybrid approach: OpenCV + OCR (extracts text, no images)
python process_meeting.py samples/meeting.mkv --run-whisper python process_meeting.py samples/meeting.mkv --run-whisper --use-hybrid --scene-detection
# Re-run analysis using cached frames and transcript # Hybrid + LLM cleanup (best for code formatting)
python process_meeting.py samples/meeting.mkv --use-vision python process_meeting.py samples/meeting.mkv --run-whisper --use-hybrid --hybrid-llm-cleanup --scene-detection
# Force reprocessing (ignore cache) # Iterate on scene threshold (reuse whisper transcript)
python process_meeting.py samples/meeting.mkv --run-whisper --use-vision --no-cache python process_meeting.py samples/meeting.mkv --embed-images --scene-detection --scene-threshold 5 --skip-cache-frames --skip-cache-analysis
# Use scene detection for fewer frames
python process_meeting.py samples/meeting.mkv --run-whisper --use-vision --scene-detection
""" """
) )
@@ -119,6 +116,21 @@ Examples:
action='store_true', action='store_true',
help='Use local vision model (Ollama) instead of OCR for better context understanding' help='Use local vision model (Ollama) instead of OCR for better context understanding'
) )
parser.add_argument(
'--use-hybrid',
action='store_true',
help='Use hybrid approach: OpenCV text detection + OCR (more accurate than vision models)'
)
parser.add_argument(
'--hybrid-llm-cleanup',
action='store_true',
help='Use LLM to clean up OCR output and preserve code formatting (requires --use-hybrid)'
)
parser.add_argument(
'--hybrid-llm-model',
help='LLM model for cleanup (default: llama3.2:3b)',
default='llama3.2:3b'
)
parser.add_argument( parser.add_argument(
'--vision-model', '--vision-model',
help='Vision model to use with Ollama (default: llava:13b)', help='Vision model to use with Ollama (default: llava:13b)',
@@ -168,6 +180,17 @@ Examples:
help='Output format style (default: detailed)', help='Output format style (default: detailed)',
default='detailed' default='detailed'
) )
parser.add_argument(
'--embed-images',
action='store_true',
help='Embed frame images (as base64) in enhanced transcript for LLM analysis'
)
parser.add_argument(
'--embed-quality',
type=int,
help='JPEG quality for embedded images (default: 80, lower = smaller file)',
default=80
)
# Logging # Logging
parser.add_argument( parser.add_argument(