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22 lines
12 KiB
22 lines
12 KiB
2 months ago
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Participant User Code
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Participant rs2_device
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Participant rs2_frame_callback
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Participant rs2_frame
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Participant rs2_backend
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Participant Kernel/OS Driver
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User Code->User Code: Initialize librealsense
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Note over User Code,rs2_device: Acquire Device handle
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User Code->rs2_device: Start Stream (user-defined callback)
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Note over rs2_device,rs2_frame_callback: Store callback handle
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rs2_device->rs2_backend: Start Polling frames
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Note over rs2_backend,Kernel/OS Driver: Polling frame
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rs2_backend->rs2_frame: unpack and store frame pixels
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rs2_backend->rs2_frame: check and store metadata payload
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rs2_frame-->rs2_backend: frame is ready for dispatch
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rs2_backend->rs2_frame_callback: invoke user-defined callback(rs2_frame)
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rs2_frame_callback->rs2_frame_callback: User code is invoked
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rs2_frame_callback->rs2_frame: Check metadata attribute support
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rs2_frame-->rs2_frame_callback: result (true/false)
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rs2_frame_callback->rs2_frame: query metadata attribute value
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