RE: [meta-arago][master/wrynose][PATCH] meta-arago-distro: chromium: add force-h264-youtube extension

["Lannynd, Thorsten" <t-lannynd@ti.com>]

On 6/9/26 1:22 AM, Yogesh Hedge via lists.yoctoproject.org wrote:
> Hi Thorsten,
> Thanks for the patch.
> 
> On 6/9/26 01:48, Thorsten Lannynd via lists.yoctoproject.org wrote:
> > Install a lightweight Chrome extension that forces YouTube to serve
> > H.264 (avc1) by blocking VP8, VP9, and AV1 via
> MediaSource.isTypeSupported.
> > This enables Wave5 hardware video decoding on YouTube, which only
> > supports
> > H.264 and HEVC, without requiring a third-party extension to be
> > manually installed through the Chrome Web Store before use.
> >
> > Installed at /usr/lib/chromium/extensions/force-h264-youtube
> > and --load-extension is appended to the chromium-wrapper launch script.
> >
> > Signed-off-by: Thorsten Lannynd <t-lannynd@ti.com>
> 
> Is Wave5 hardware video decoding supported on all SoCs?
> If not, please limit the patches to SoCs/machines that support it.

Thank you for the review. I will make the extension not enabled by default.
The only platform that does not support Wave5 but supports Chromium is
AM62x.

> 
> > ---
> >  .../chromium/chromium-ozone-wayland-arago.inc | 15 +++++++++++++++
> >  .../force-h264-youtube/force_h264.js          |  4 ++++
> >  .../force-h264-youtube/manifest.json          | 19 +++++++++++++++++++
> >  3 files changed, 38 insertions(+)
> >  create mode 100644
> > meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browse
> > r/chromium/chromium-ozone-wayland/force-h264-youtube/force_h264.js
> >  create mode 100644
> > meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-browse
> > r/chromium/chromium-ozone-wayland/force-h264-youtube/manifest.json
> >
> > diff --git
> > a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-brow
> > ser/chromium/chromium-ozone-wayland-arago.inc
> > b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-brow
> > ser/chromium/chromium-ozone-wayland-arago.inc
> > index ab092fa1..14c12767 100644
> > ---
> > a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-brow
> > ser/chromium/chromium-ozone-wayland-arago.inc
> > +++ b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-
> > +++ browser/chromium/chromium-ozone-wayland-arago.inc
> > @@ -1,5 +1,7 @@
> >  PR:append = ".arago0"
> >
> > +EXTENSION_DIR = "/usr/lib/chromium/extensions/force-h264-youtube"
> > +
> >  FILESEXTRAPATHS:prepend := "${THISDIR}/chromium-ozone-wayland:"
> >
> >  PACKAGECONFIG:append = " proprietary-codecs"
> > @@ -9,4 +11,17 @@ SRC_URI:append = " \
> >                    file://0002-chromium-gpu-sandbox-Allow-GPU-sandbox-access-to-
> V4L.patch \
> >                    file://0003-chromium-gpu-v4l2-Fix-OUTPUT-queue-streaming-in-
> V4L2.patch \
> >
> > file://0004-media-gpu-v4l2-Avoid-placing-incomplete-H264-access-.patch
> > \
> > +                  file://force-h264-youtube/force_h264.js \
> > +                  file://force-h264-youtube/manifest.json \
> >                    "
> > +
> > +do_install:append() {
> > +    install -d ${D}${EXTENSION_DIR}
> > +    install -m 0644 ${WORKDIR}/sources/force-h264-youtube/force_h264.js \
> > +                    ${WORKDIR}/sources/force-h264-youtube/manifest.json \
> > +                    ${D}${EXTENSION_DIR}/
> > +    sed -i 's|--ozone-platform=wayland"|--ozone-platform=wayland --load-
> extension=${EXTENSION_DIR}"|' \
> > +            ${D}/usr/lib/chromium/chromium-wrapper
> > +}
> > +
> > +FILES:${PN}:append = " ${EXTENSION_DIR}"
> > diff --git
> > a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-brow
> > ser/chromium/chromium-ozone-wayland/force-h264-youtube/force_h264.js
> > b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-brow
> > ser/chromium/chromium-ozone-wayland/force-h264-youtube/force_h264.js
> > new file mode 100644
> > index 00000000..5e942321
> > --- /dev/null
> > +++ b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-
> > +++ browser/chromium/chromium-ozone-wayland/force-h264-
> youtube/force_h
> > +++ 264.js
> > @@ -0,0 +1,4 @@
> > +(function() {
> > +    var orig = MediaSource.isTypeSupported.bind(MediaSource);
> > +    MediaSource.isTypeSupported = function(t) { return
> > +/vp8|vp09?|av01/i.test(t) ? false : orig(t); }; })();
> > diff --git
> > a/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-brow
> > ser/chromium/chromium-ozone-wayland/force-h264-youtube/manifest.json
> > b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-brow
> > ser/chromium/chromium-ozone-wayland/force-h264-youtube/manifest.json
> > new file mode 100644
> > index 00000000..fc69be22
> > --- /dev/null
> > +++ b/meta-arago-distro/dynamic-layers/chromium-browser-layer/recipes-
> > +++ browser/chromium/chromium-ozone-wayland/force-h264-
> youtube/manifes
> > +++ t.json
> > @@ -0,0 +1,19 @@
> > +{
> > +  "manifest_version": 3,
> > +  "name": "Force H.264",
> > +  "version": "1.0.0",
> > +  "description": "Lightweight extension that forces YouTube to play
> > +H.264 (avc1) by blocking VP8, VP9, and AV1",
> > +  "content_scripts": [
> > +    {
> > +      "matches": [
> > +        "*://*.youtube.com/*",
> > +        "*://*.youtube-nocookie.com/*",
> > +        "*://*.youtu.be/*"
> > +      ],
> > +      "js": ["force_h264.js"],
> > +      "run_at": "document_start",
> > +      "world": "MAIN",
> > +      "all_frames": true
> > +    }
> > +  ]
> > +}
> 
> ---
> -- Yogesh Hegde