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4grayandClaude Fable 5
1a0c2306a9
Port the frame-copy engine's native layer to Linux (PORTING.md items 1-4): - frame_helper_gl.h: platform GlContext abstraction. macOS keeps the CGL path (moved verbatim); Linux acquires an EGL display in order surfaceless-Mesa -> default display -> GBM render node, binds a 3.2 core desktop-GL context surfaceless (1x1 pbuffer fallback), and hands mpv eglGetProcAddress. The helper's own GL calls link against glvnd libOpenGL, so no display server is required. - frame_shm.h: portable frame_shm_now_ns() (CLOCK_MONOTONIC) shared by the helper and the reader addon, replacing the macOS-only clock_gettime_nsec_np(CLOCK_MONOTONIC_RAW); producer and consumer stay on the same clock. - embedded_mpv_frame_reader.c: real implementation now also on __linux__ (the code was already POSIX apart from the clock call). - binding.gyp: OS==linux executable branch for iptvnator_mpv_helper linking system libmpv (-lmpv) + EGL/OpenGL/gbm, with rpaths for $ORIGIN/lib and the build-time library dir. The in-process addon still does not link libmpv - the ban only binds in-process, the helper is out of process. - build-embedded-mpv.js: system-dev fallback on Linux (LIBMPV_INCLUDE_DIR or /usr/include) so a distro libmpv-dev install builds without staging a vendored runtime; a pre-set LINUX_NATIVE_LIBRARY_DIR now wins over the vendored lib dir. Verified on Ubuntu 25.04 / i7-1165G7 (Iris Xe): lavfi smoke per PORTING.md (idle->loading->playing snapshots at 4 Hz, aspect-fit generation bump g1 1280x720 -> g2 960x720 for a 4:3 source), reader probe 60 fps at 1080p60 with 0 torn reads, clean quit with no leaked processes or shm. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>