95 lines
2.5 KiB
Python
Executable File
95 lines
2.5 KiB
Python
Executable File
import cv2
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import os
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from pathlib import Path
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from PIL import Image
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import tempfile
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def generate_video_thumbnail(video_path: str, output_path: str, frame_time: float = 1.0) -> bool:
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"""
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Generate a thumbnail from a video at a specific time.
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Args:
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video_path: Path to the video file
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output_path: Path where to save the thumbnail
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frame_time: Time in seconds to extract the frame (default: 1 second)
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Returns:
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bool: True if successful, False otherwise
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"""
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try:
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# Open video file
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cap = cv2.VideoCapture(video_path)
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if not cap.isOpened():
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return False
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# Get video properties
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fps = cap.get(cv2.CAP_PROP_FPS)
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total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
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if total_frames == 0:
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return False
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# Calculate frame number for the specified time
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frame_number = min(int(fps * frame_time), total_frames - 1)
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# Set position to the specified frame
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cap.set(cv2.CAP_PROP_POS_FRAMES, frame_number)
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# Read the frame
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ret, frame = cap.read()
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if not ret:
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return False
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# Convert BGR to RGB
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frame_rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
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# Convert to PIL Image
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pil_image = Image.fromarray(frame_rgb)
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# Resize to thumbnail size (400x400)
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pil_image.thumbnail((400, 400), Image.Resampling.LANCZOS)
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# Save thumbnail
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pil_image.save(output_path, "JPEG", quality=85, optimize=True)
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# Release video capture
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cap.release()
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return True
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except Exception as e:
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print(f"Error generating thumbnail: {e}")
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return False
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def get_video_duration(video_path: str) -> float:
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"""
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Get the duration of a video file in seconds.
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Args:
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video_path: Path to the video file
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Returns:
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float: Duration in seconds, or 0 if error
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"""
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try:
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cap = cv2.VideoCapture(video_path)
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if not cap.isOpened():
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return 0
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fps = cap.get(cv2.CAP_PROP_FPS)
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total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
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cap.release()
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if fps > 0 and total_frames > 0:
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return total_frames / fps
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return 0
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except Exception as e:
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print(f"Error getting video duration: {e}")
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return 0
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