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chromium-fourier: - patch 3/3 nv12-external-oes-on-modifier-external-only.patch — adds NativePixmapEGLBinding::ModifierRequiresExternalOES helper, extends OzoneImageGLTexturesHolder::GetBinding to honor EGL external_only flag for NV12 dmabufs on panfrost / panthor. Validated on ohm (RK3566 hantro mainline 6.19.10): bbb_1080p30_h264.mp4 plays at 34.7 % combined CPU vs ~131 % pre-patch baseline (~3.8x). - PKGBUILD pkgrel 1->2, source array + sha256sums + prepare() hook for patch 4, patch numbering 1/2,2/2 -> 1/3,2/3,3/3. - NEXT.md appended with 2026-04-28 section: patch 4 design, validation log, KWin GL_ALPHA bug pinpoint (preexisting since 2026-03-06, affects every wayland video client; unrelated to chromium-fourier), device-renumbering note (/dev/video1 = encoder post-reboot). - KWIN_PIVOT.md: 4-phase plan to identify and patch KWin's glTexImage2D(internalFormat=GL_ALPHA) site, ohm-only test plan, scope discipline. - patches/ now tracked (compiler-rt-adjust-paths, enable-v4l2, wayland-allow-direct-egl-gles2, nv12-external-oes); the dead-end chromeos-pipeline-bypass.patch removed. firefox-fourier: - 4 patches (gfxinfo v4l2 stateless fourccs, libwrapper hwdevice ctx, ffmpegvideo v4l2-request route, prefs v4l2-request default). - PKGBUILD bumped to firefox 150.0.1, Arch toolchain glue patches layered in, mozconfig with --without-wasm-sandboxed-libraries for ALARM, package() launcher fix (rm -f symlink before cat > to avoid ENOENT through the dangling /usr/local symlink mach install drops). - 150.0.1-1-aarch64.pkg.tar.zst built on boltzmann (95 MB), pending fresnel power-on for V4L2 stateless validation on RK3399.
35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From: Markus Fritsche <mfritsche@reauktion.de>
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Subject: [PATCH 4/4] modules/libpref: add media.ffmpeg.v4l2-request.enabled
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Date: 2026-04-27
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Background
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----------
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Toggle for the V4L2 stateless (request API) decode path introduced
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in patch 3/4. Defaults on for Linux, mirroring the
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`media.ffmpeg.vaapi.enabled`-style shape. Users can flip to false to
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force the existing stateful `InitV4L2Decoder` (or VAAPI / software
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fallbacks) without rebuilding.
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Bug 1969297.
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diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
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--- a/modules/libpref/init/StaticPrefList.yaml
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+++ b/modules/libpref/init/StaticPrefList.yaml
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@@ -12159,6 +12159,16 @@
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type: uint32_t
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value: 2
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mirror: once
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+
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+# firefox-fourier: route V4L2 stateless (request API) decode through
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+# libavcodec's v4l2_request hwaccel (AV_HWDEVICE_TYPE_DRM). Required
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+# for mainline-Linux Rockchip rkvdec / hantro / rkvdec2. On stateful
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+# boards (Pi4 / vendor MPP) the codec's hw_configs lacks a DRM entry
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+# and the path silently falls back to InitV4L2Decoder.
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+- name: media.ffmpeg.v4l2-request.enabled
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+ type: RelaxedAtomicBool
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+ value: true
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+ mirror: always
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#endif # MOZ_WIDGET_GTK
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# Set to true in marionette tests to disable the sanity test
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