In the sprawling ecosystem of digital video codecs, Motion JPEG (MJPEG) occupies a unique and enduring niche. Unlike modern, complex codecs such as H.264 or H.265, MJPEG treats each frame as an independent JPEG image. This simplicity offers distinct advantages: low latency, frame-accurate editing, and resilience to packet loss. However, this very structure introduces a critical need: verification.
# Open the video capture device cap = cv2.VideoCapture('mjpeg_video.mjpg')Check frames for visual corruption, resolution changes, or unexpected black frames.
This script verifies each JPEG segment independently.
ffmpeg -i sample.mjpeg