Initial support for rockchip boards (#8382)

* initial support for rockchip boards

* Apply suggestions from code review

apply requested changes

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* requested changes

* rewrite dockerfile

* adjust targets

* Update .github/workflows/ci.yml

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* Update docs/docs/configuration/object_detectors.md

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* Update docs/docs/configuration/object_detectors.md

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* add information to docs

* Update docs/docs/configuration/object_detectors.md

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* format rknn.py

* apply changes from isort and ruff

---------

Co-authored-by: MarcA711 <>
Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

docker/rockchip/Dockerfile

@@ -0,0 +1,24 @@
+# syntax=docker/dockerfile:1.6
+
+# https://askubuntu.com/questions/972516/debian-frontend-environment-variable
+ARG DEBIAN_FRONTEND=noninteractive
+
+FROM wheels as rk-wheels
+COPY docker/main/requirements-wheels.txt /requirements-wheels.txt
+COPY docker/rockchip/requirements-wheels-rk.txt /requirements-wheels-rk.txt
+RUN sed -i "/https/d" /requirements-wheels.txt
+RUN pip3 wheel --wheel-dir=/rk-wheels -c /requirements-wheels.txt -r /requirements-wheels-rk.txt
+
+FROM wget as rk-libs
+RUN wget -qO librknnrt.so https://github.com/MarcA711/rknpu2/raw/master/runtime/RK3588/Linux/librknn_api/aarch64/librknnrt.so
+
+FROM deps AS rk-deps
+ARG TARGETARCH
+
+RUN --mount=type=bind,from=rk-wheels,source=/rk-wheels,target=/deps/rk-wheels \ 
+    pip3 install -U /deps/rk-wheels/*.whl 
+
+WORKDIR /opt/frigate/
+COPY --from=rootfs / /
+COPY --from=rk-libs /rootfs/librknnrt.so /usr/lib/
+COPY docker/rockchip/yolov8n-320x320.rknn /models/

docker/rockchip/requirements-wheels-rk.txt

@@ -0,0 +1,2 @@
+hide-warnings == 0.17
+rknn-toolkit-lite2 @ https://github.com/MarcA711/rknn-toolkit2/raw/master/rknn_toolkit_lite2/packages/rknn_toolkit_lite2-1.5.2-cp39-cp39-linux_aarch64.whl

docker/rockchip/rk.hcl

@@ -0,0 +1,34 @@
+target wget {
+  dockerfile = "docker/main/Dockerfile"
+  platforms = ["linux/arm64"]
+  target = "wget"
+}
+
+target wheels {
+  dockerfile = "docker/main/Dockerfile"
+  platforms = ["linux/arm64"]
+  target = "wheels"
+}
+
+target deps {
+  dockerfile = "docker/main/Dockerfile"
+  platforms = ["linux/arm64"]
+  target = "deps"
+}
+
+target rootfs {
+  dockerfile = "docker/main/Dockerfile"
+  platforms = ["linux/arm64"]
+  target = "rootfs"
+}
+
+target rk {
+  dockerfile = "docker/rockchip/Dockerfile"
+  contexts = {
+    wget = "target:wget",
+    wheels = "target:wheels",
+    deps = "target:deps",
+    rootfs = "target:rootfs"
+  }
+  platforms = ["linux/arm64"]
+}

docker/rockchip/rk.mk

@@ -0,0 +1,10 @@
+BOARDS += rk
+
+local-rk: version
+	docker buildx bake --load --file=docker/rockchip/rk.hcl --set rk.tags=frigate:latest-rk rk
+
+build-rk: version
+	docker buildx bake --file=docker/rockchip/rk.hcl --set rk.tags=$(IMAGE_REPO):${GITHUB_REF_NAME}-$(COMMIT_HASH)-rk rk
+
+push-rk: build-rk
+	docker buildx bake --push --file=docker/rockchip/rk.hcl --set rk.tags=$(IMAGE_REPO):${GITHUB_REF_NAME}-$(COMMIT_HASH)-rk rk