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SDR to HDR takes no prompt: the scene embedding file takes its place. **Shorter side** sets the output size, keeping the clip's shape (720 here, the clip's own size). **Max seconds** cuts longer clips.\n\n**Needs** ComfyUI 0.37 or newer (frontend 1.53 or newer) and ComfyUI-LTXVideo at commit 3bf3ca6 or newer. If any node shows up red, here or inside a subgraph, update ComfyUI or the LTXVideo pack rather than rewiring the graph." ], "widgets_values_named": { "text": "## Use your own video\n\nLoad your clip in **Load video**. SDR to HDR takes no prompt: the scene embedding file takes its place. **Shorter side** sets the output size, keeping the clip's shape (720 here, the clip's own size). **Max seconds** cuts longer clips.\n\n**Needs** ComfyUI 0.37 or newer (frontend 1.53 or newer) and ComfyUI-LTXVideo at commit 3bf3ca6 or newer. 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