mirror of
https://github.com/lbgos/rift-s-linux.git
synced 2026-10-17 17:01:05 +02:00
lbgos
dff6cab92c
Squashed from the working branch. Adds the Basalt patches, constrained constellation pose solver, Rift S optics, world anchor and boundary persistence, SteamVR camera queue and room setup guard, and tests.
56 lines
2.3 KiB
Python
Executable File
56 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2026, lbgos
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# SPDX-License-Identifier: BSL-1.0
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"""Check driver_monado's tracked camera through an existing SteamVR session.
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Requires Python openvr. Opens no V4L2/HID devices and writes no camera images.
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"""
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import ctypes
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import json
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import statistics
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import time
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import openvr
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openvr.init(openvr.VRApplication_Background)
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handle = None
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try:
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camera = openvr.VRTrackedCamera()
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if not camera.hasCamera(0):
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raise SystemExit("The active SteamVR driver does not advertise a camera")
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kind = openvr.VRTrackedCameraFrameType_Undistorted
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width, height, size = camera.getCameraFrameSize(0, kind)
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pixels = (ctypes.c_uint8 * size)()
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handle = camera.acquireVideoStreamingService(0)
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seen = set()
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arrivals = []
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black = 0
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last_error = None
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end = time.monotonic() + 5
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while time.monotonic() < end:
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try:
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header = camera.getVideoStreamFrameBuffer(handle, kind, pixels, size)
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if header.nFrameSequence not in seen:
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seen.add(header.nFrameSequence)
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arrivals.append(time.monotonic())
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# Ignore alpha when SteamVR converts RGBX32 to public RGBA buffers.
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channels = header.nBytesPerPixel
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if channels not in (3, 4) or header.nWidth * header.nHeight * channels > size:
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raise SystemExit("Unexpected camera buffer layout")
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stride = max(1, header.nWidth * header.nHeight // 1000) * channels
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black += not any(pixels[offset + c] for offset in range(0, size - channels + 1, stride)
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for c in range(3))
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except openvr.error_code.TrackedCameraError as error:
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last_error = type(error).__name__
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time.sleep(0.01)
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intervals = [b - a for a, b in zip(arrivals, arrivals[1:])]
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print(json.dumps({"width": width, "height": height, "bytes": size,
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"unique_frames": len(seen), "black_frames": black,
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"median_delivery_hz": 1 / statistics.median(intervals) if intervals else None,
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"last_error": last_error}))
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if len(seen) < 2:
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raise SystemExit("No advancing video stream; inspect vrserver camera logs")
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finally:
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if handle is not None:
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camera.releaseVideoStreamingService(handle)
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openvr.shutdown()
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