rtsp-snapshot
Skill0 starsChanged 8 months agoUnlicenseView on GitHub
Captures a still frame from an RTSP camera stream using ffmpeg. Use when asked to get a snapshot, still image, or single frame from an RTSP source.
The file
Files
RTSP Snapshot
This skill uses ffmpeg to capture a single, high-quality still frame from a network RTSP stream.
Usage
Execute the following shell command. Replace <RTSP_URL> with the full RTSP connection string for your camera and <OUTPUT_FILE> with the desired output path (e.g., ~/.openclaw/media/rtsp-snapshots/living-room.jpg).
Recommended Command
ffmpeg -y -rtsp_transport tcp -i "<RTSP_URL>" -ss 00:00:01 -vframes 1 -q:v 8 -colorspace smpte170m -color_primaries smpte170m -color_trc smpte170m "<OUTPUT_FILE>"Command Breakdown
-y: Overwrite the output file without asking.-rtsp_transport tcp: Forces the stream to use TCP instead of UDP. This is more reliable and prevents corrupted or incomplete images, especially over Wi-Fi or congested networks.-i "<RTSP_URL>": Specifies the input RTSP stream URL.-ss 00:00:01: Seeks 1 second into the stream before capturing the frame. This gives the stream time to stabilize and avoids capturing a black or garbled initial frame.-vframes 1: Captures exactly one video frame and then stops.-update 1: Overwrites the single output file, which is the correct way to handle single-frame grabs.-q:v 8: Sets the JPEG quality level. The scale is 2 (best) to 31 (worst). A value of 8 is a good balance of quality and file size."<OUTPUT_FILE>": The path where the snapshot image will be saved.
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