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docs: describe recorded profiles during bag playback

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ob-yalian
2026-09-16 18:07:39 +08:00
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docs/en/source/camera_devices/4_application_guide/launch_parameters.md
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@@ -108,6 +108,7 @@ The following are the launch parameters available:
* Record device data to the specified SDK `.bag` file after startup. Leave empty to disable automatic recording. When recording starts, a JSON preset file with the same base name is also exported, for example `record.bag` creates `record.json`.
* **`bag_filename`**
* Play back the specified SDK `.bag` file. When set, the node creates a playback device from the bag file instead of connecting to a physical camera.
* During playback, image and IMU streams use the profiles recorded in the bag file. The launch parameters do not select new image resolution, frame rate, format, or IMU range/sample rate profiles.
* **`bag_loop`**
* Loop SDK bag playback after the file reaches the end. Default: `false`. This only takes effect when `bag_filename` is set.
* **`enable_fps_boost`**