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import zipfile
import os
import chromadb
from chromadb.utils.embedding_functions import OpenCLIPEmbeddingFunction
from chromadb.utils.data_loaders import ImageLoader
import cv2
path = "mm_vdb2"
client = chromadb.PersistentClient(path=path)
image_loader = ImageLoader()
CLIP = OpenCLIPEmbeddingFunction()
video_collection = client.get_or_create_collection(
name='video_collection',
embedding_function=CLIP,
data_loader=image_loader
)
def extract_frames(video_folder, output_folder):
if not os.path.exists(output_folder):
os.makedirs(output_folder)
for video_filename in os.listdir(video_folder):
if video_filename.endswith('.mp4'):
video_path = os.path.join(video_folder, video_filename)
video_capture = cv2.VideoCapture(video_path)
fps = video_capture.get(cv2.CAP_PROP_FPS)
frame_count = int(video_capture.get(cv2.CAP_PROP_FRAME_COUNT))
duration = frame_count / fps
output_subfolder = os.path.join(output_folder, os.path.splitext(video_filename)[0])
if not os.path.exists(output_subfolder):
os.makedirs(output_subfolder)
success, image = video_capture.read()
frame_number = 0
while success:
if frame_number == 0 or frame_number % int(fps * 5) == 0 or frame_number == frame_count - 1:
frame_time = frame_number / fps
output_frame_filename = os.path.join(output_subfolder, f'frame_{int(frame_time)}.jpg')
cv2.imwrite(output_frame_filename, image)
success, image = video_capture.read()
frame_number += 1
video_capture.release()
def add_frames_to_chromadb(video_dir, frames_dir):
video_frames = {}
for video_file in os.listdir(video_dir):
if video_file.endswith('.mp4'):
video_title = video_file[:-4]
frame_folder = os.path.join(frames_dir, video_title)
if os.path.exists(frame_folder):
video_frames[video_title] = [f for f in os.listdir(frame_folder) if f.endswith('.jpg')]
ids = []
uris = []
metadatas = []
for video_title, frames in video_frames.items():
video_path = os.path.join(video_dir, f"{video_title}.mp4")
for frame in frames:
frame_id = f"{frame[:-4]}_{video_title}"
frame_path = os.path.join(frames_dir, video_title, frame)
ids.append(frame_id)
uris.append(frame_path)
metadatas.append({'video_uri': video_path})
video_collection.add(ids=ids, uris=uris, metadatas=metadatas)
def process_video_files(video_paths):
frames_output_folder = r"extracted_frames"
os.makedirs(frames_output_folder, exist_ok=True)
for video_path in video_paths:
video_folder = os.path.dirname(video_path)
extract_frames(video_folder, frames_output_folder)
add_frames_to_chromadb(video_folder, frames_output_folder)
return video_collection
# # Example usage
# video_paths = [
# "/path/to/video1.mp4",
# "/path/to/video2.mp4",
# "/path/to/video3.mp4"
# ]
# process_video_files(video_paths)
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