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| import streamlit as st | |
| import json | |
| import faiss | |
| import numpy as np | |
| from sentence_transformers import SentenceTransformer | |
| import base64 | |
| from PIL import Image | |
| import io | |
| import cv2 | |
| from insightface.app import FaceAnalysis | |
| from moviepy.editor import VideoFileClip | |
| # Load models | |
| def load_models(): | |
| unified_model = SentenceTransformer("clip-ViT-B-32") | |
| face_app = FaceAnalysis(providers=['CPUExecutionProvider']) | |
| face_app.prepare(ctx_id=0, det_size=(640, 640)) | |
| return unified_model, face_app | |
| unified_model, face_app = load_models() | |
| # Load data | |
| def load_data(video_id): | |
| with open(f"{video_id}_summary.json", "r") as f: | |
| summary = json.load(f) | |
| with open(f"{video_id}_transcription.json", "r") as f: | |
| transcription = json.load(f) | |
| with open(f"{video_id}_unified_metadata.json", "r") as f: | |
| unified_metadata = json.load(f) | |
| with open(f"{video_id}_face_metadata.json", "r") as f: | |
| face_metadata = json.load(f) | |
| return summary, transcription, unified_metadata, face_metadata | |
| video_id = "IMFUOexuEXw" | |
| video_path = "avengers_interview.mp4" | |
| summary, transcription, unified_metadata, face_metadata = load_data(video_id) | |
| # Load FAISS indexes | |
| def load_indexes(video_id): | |
| unified_index = faiss.read_index(f"{video_id}_unified_index.faiss") | |
| face_index = faiss.read_index(f"{video_id}_face_index.faiss") | |
| return unified_index, face_index | |
| unified_index, face_index = load_indexes(video_id) | |
| # Search functions | |
| def unified_search(query, index, metadata, model, n_results=5): | |
| if isinstance(query, str): | |
| query_vector = model.encode([query], convert_to_tensor=True).cpu().numpy() | |
| else: # Assume it's an image | |
| query_vector = model.encode(query, convert_to_tensor=True).cpu().numpy() | |
| D, I = index.search(query_vector, n_results) | |
| results = [{'data': metadata[i], 'distance': d} for i, d in zip(I[0], D[0])] | |
| return results | |
| def face_search(face_embedding, index, metadata, n_results=5): | |
| D, I = index.search(np.array(face_embedding).reshape(1, -1), n_results) | |
| results = [metadata[i] for i in I[0]] | |
| return results, D[0] | |
| def detect_and_embed_face(image, face_app): | |
| img_array = np.array(image) | |
| faces = face_app.get(img_array) | |
| if len(faces) == 0: | |
| return None | |
| largest_face = max(faces, key=lambda x: (x.bbox[2] - x.bbox[0]) * (x.bbox[3] - x.bbox[1])) | |
| return largest_face.embedding | |
| def create_video_clip(video_path, start_time, end_time, output_path): | |
| with VideoFileClip(video_path) as video: | |
| new_clip = video.subclip(start_time, end_time) | |
| new_clip.write_videofile(output_path, codec="libx264", audio_codec="aac") | |
| return output_path | |
| # Streamlit UI | |
| st.title("Video Analysis Dashboard") | |
| # Sidebar with full video and scrollable transcript | |
| st.sidebar.header("Full Video") | |
| st.sidebar.video(video_path) | |
| st.sidebar.header("Video Transcript") | |
| transcript_text = transcription['transcription'] | |
| st.sidebar.text_area("Full Transcript", transcript_text, height=300) | |
| # Main content | |
| st.header("Video Summary") | |
| col1, col2 = st.columns(2) | |
| with col1: | |
| st.subheader("Prominent Faces") | |
| for face in summary['prominent_faces']: | |
| st.write(f"Face ID: {face['id']}, Appearances: {face['appearances']}") | |
| if 'thumbnail' in face: | |
| image = Image.open(io.BytesIO(base64.b64decode(face['thumbnail']))) | |
| st.image(image, caption=f"Face ID: {face['id']}", width=100) | |
| with col2: | |
| st.subheader("Themes") | |
| for theme in summary['themes']: | |
| st.write(f"Theme ID: {theme['id']}, Keywords: {', '.join(theme['keywords'])}") | |
| # Search functionality | |
| st.header("Search") | |
| search_type = st.selectbox("Select search type", ["Unified", "Face"]) | |
| if search_type == "Unified": | |
| search_method = st.radio("Choose search method", ["Text", "Image"]) | |
| if search_method == "Text": | |
| query = st.text_input("Enter your search query") | |
| if st.button("Search"): | |
| results = unified_search(query, unified_index, unified_metadata, unified_model) | |
| st.subheader("Search Results") | |
| for result in results: | |
| st.write(f"Time: {result['data']['start']:.2f}s - {result['data']['end']:.2f}s, Distance: {result['distance']:.4f}") | |
| if 'text' in result['data']: | |
| st.write(f"Text: {result['data']['text']}") | |
| clip_path = create_video_clip(video_path, result['data']['start'], result['data']['end'], f"temp_clip_{result['data']['start']}.mp4") | |
| st.video(clip_path) | |
| st.write("---") | |
| else: | |
| uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"]) | |
| if uploaded_file is not None: | |
| image = Image.open(uploaded_file) | |
| st.image(image, caption="Uploaded Image", use_column_width=True) | |
| if st.button("Search"): | |
| results = unified_search(image, unified_index, unified_metadata, unified_model) | |
| st.subheader("Image Search Results") | |
| for result in results: | |
| st.write(f"Time: {result['data']['start']:.2f}s - {result['data']['end']:.2f}s, Distance: {result['distance']:.4f}") | |
| clip_path = create_video_clip(video_path, result['data']['start'], result['data']['end'], f"temp_clip_{result['data']['start']}.mp4") | |
| st.video(clip_path) | |
| st.write("---") | |
| elif search_type == "Face": | |
| face_search_type = st.radio("Choose face search method", ["Select from video", "Upload image"]) | |
| if face_search_type == "Select from video": | |
| face_id = st.selectbox("Select a face", [face['id'] for face in summary['prominent_faces']]) | |
| if st.button("Search"): | |
| selected_face = next(face for face in summary['prominent_faces'] if face['id'] == face_id) | |
| face_results, face_distances = face_search(selected_face['embedding'], face_index, face_metadata) | |
| st.subheader("Face Search Results") | |
| for result, distance in zip(face_results, face_distances): | |
| st.write(f"Time: {result['start']:.2f}s - {result['end']:.2f}s, Distance: {distance:.4f}") | |
| clip_path = create_video_clip(video_path, result['start'], result['end'], f"temp_face_clip_{result['start']}.mp4") | |
| st.video(clip_path) | |
| st.write("---") | |
| else: | |
| uploaded_file = st.file_uploader("Choose a face image...", type=["jpg", "jpeg", "png"]) | |
| if uploaded_file is not None: | |
| image = Image.open(uploaded_file) | |
| st.image(image, caption="Uploaded Image", use_column_width=True) | |
| if st.button("Search"): | |
| face_embedding = detect_and_embed_face(image, face_app) | |
| if face_embedding is not None: | |
| face_results, face_distances = face_search(face_embedding, face_index, face_metadata) | |
| st.subheader("Face Search Results") | |
| for result, distance in zip(face_results, face_distances): | |
| st.write(f"Time: {result['start']:.2f}s - {result['end']:.2f}s, Distance: {distance:.4f}") | |
| clip_path = create_video_clip(video_path, result['start'], result['end'], f"temp_face_clip_{result['start']}.mp4") | |
| st.video(clip_path) | |
| st.write("---") | |
| else: | |
| st.error("No face detected in the uploaded image. Please try another image.") |