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OpenShot-ComfyUI/example_workflows/openshot_sam2_video_chunked_example.json

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{
"note": "Example skeleton only. Wire image/video inputs from your own workflow.",
"workflow": {
"1": {
"class_type": "OpenShotDownloadAndLoadSAM2Model",
"inputs": {
"model": "sam2.1_hiera_tiny.safetensors",
"segmentor": "video",
"device": "auto",
"precision": "fp16"
}
},
"2": {
"class_type": "OpenShotSam2VideoSegmentationAddPoints",
"inputs": {
"sam2_model": ["1", 0],
"image": ["YOUR_VIDEO_FRAMES_NODE", 0],
"coordinates_positive": "[{\"x\":320,\"y\":180}]",
"frame_index": 0,
"object_index": 0
}
},
"3": {
"class_type": "OpenShotSam2VideoSegmentationChunked",
"inputs": {
"sam2_model": ["2", 0],
"inference_state": ["2", 1],
"start_frame": 0,
"chunk_size_frames": 32,
"keep_model_loaded": false
}
}
}
}