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zqxwceandClaude Opus 4.7
9bb5b87279
Three pieces of plumbing that together let Camera.app reach the
viewfinder UI on the EXP build:
1. DeviceTree: synthesize a /product/camera node so AVCaptureDevice
discovery + permission gating finds a "front" camera slot for
subsequent vcam injection (FirmwarePatcher/DeviceTreePatcher.swift).
2. DSC patch family in scripts/patchers/cfw_patch_camera_dsc.py:
- NeutrinoCore short-circuit: rewrite the five
+[_NUStyleTransfer*Processor processWithInputs:arguments:output:
error:] class methods to `mov w0, #0; ret`. Without this Camera.app
crashes inside NeutrinoCore the moment it tries to render the
style picker.
- AVCaptureDevice auth always-authorized:
+[AVCaptureDevice authorizationStatusForMediaType:] -> `mov w0, #3;
ret` (AVAuthorizationStatusAuthorized=3). Any process that probes
camera authorization gets "Authorized" without going through TCC.
3. scripts/patch_camera_userland.sh + cfw.py registration so the install
pipeline applies the two patches above against the chunked DSC during
`make cfw_install_exp`.
Camera.app now launches and shows preview UI on EXP, even though the
actual vcam pipeline is wired up by the libvcamcaptured / libcamfix
commits that follow.
Co-Authored-By: Claude Opus 4.7 <[email protected]>