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DeeJanuzandClaude Opus 5.5
e2abaa06b6
- The runtime files move to /run/user/UID/frametop-hands/: the desktop session deletes /run/user/UID/frametop at every start. - The cutout copy shader runs at highp: mediump (16-bit on Adreno) stepped 1.7 texels across a 3440-pixel screen. - One hand no longer pinches both sides after its left/right call flips mid-pinch, and --pinch-palm-down (0.6) holds back pinches with the palm facing down (typing on a lap keyboard). - ft-camd judges a colour frame fresh by its luma rows only, and logs per-buffer changes at stale colour frames with FT_CAMD_DEBUG=1. - hands/run.sh caps skips the setcap when ft-camd already has them. - The replay tool dumps poses (--poses), and its pinch events carry the hand id. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
// Frames in from ft-camd's ring (camd/fhring.h), hands out to the hands file
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// (include/fh_hands.h, read by Frametop's ft-screens).
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#pragma once
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#include "tracker.h"
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#include <cstdint>
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#include <string>
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#include <vector>
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extern "C" {
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#include "../camd/fhring.h"
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#include "../include/fh_hands.h"
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}
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class Ring {
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public:
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bool open(const char *path, std::string &err);
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bool alive() const; // the writer's heartbeat is fresh
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int cameras() const { return int(hdr_->ncams); }
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const fh_ring_cam_t &camera(int i) const { return hdr_->cams[i]; }
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uint64_t latest(int i) const;
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// Copy frame n of camera i into out (width x height, tightly packed). False if it's
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// gone or was being written.
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bool read(int i, uint64_t n, std::vector<uint8_t> &out, fh_ring_slot_t *meta) const;
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// Just frame n's slot header (capture time etc.), without copying the image.
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bool meta(int i, uint64_t n, fh_ring_slot_t *meta) const;
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private:
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const uint8_t *map_ = nullptr;
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const fh_ring_hdr_t *hdr_ = nullptr;
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size_t len_ = 0;
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};
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class Publisher {
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public:
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bool open(std::string &err);
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void write(const std::vector<const Hand *> &hands, uint64_t capture_ns);
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private:
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fh_hands_t *out_ = nullptr;
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uint64_t seq_ = 0;
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};
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uint64_t mono_ns();
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int64_t raw_minus_mono_ns(); // camera timestamps are CLOCK_MONOTONIC_RAW
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// /run/user/UID/frametop-hands, created private to the user if it's missing: where ft-camd's ring
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// (FH_RING_NAME) and the hands and gestures files live. Not $XDG_RUNTIME_DIR: a terminal in
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// the Frametop desktop has a private one of its own. And not /run/user/UID/frametop: that is
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// the desktop session's private runtime folder, which it deletes whenever it starts.
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std::string run_dir();
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