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Add Hailo build parameters #3852

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Sep 30, 2024
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Add Hailo build parameters #3852

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10 changes: 8 additions & 2 deletions documentation/asciidoc/computers/camera/rpicam_apps_building.adoc
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Expand Up @@ -152,14 +152,14 @@ For desktop-based operating systems like Raspberry Pi OS, configure the `rpicam-

[source,console]
----
$ meson setup build -Denable_libav=enabled -Denable_drm=enabled -Denable_egl=enabled -Denable_qt=enabled -Denable_opencv=disabled -Denable_tflite=disabled
$ meson setup build -Denable_libav=enabled -Denable_drm=enabled -Denable_egl=enabled -Denable_qt=enabled -Denable_opencv=disabled -Denable_tflite=disabled -Denable_hailo=disabled
----

For headless operating systems like Raspberry Pi OS Lite, configure the `rpicam-apps` build with the following `meson` command:

[source,console]
----
$ meson setup build -Denable_libav=disabled -Denable_drm=enabled -Denable_egl=disabled -Denable_qt=disabled -Denable_opencv=disabled -Denable_tflite=disabled
$ meson setup build -Denable_libav=disabled -Denable_drm=enabled -Denable_egl=disabled -Denable_qt=disabled -Denable_opencv=disabled -Denable_tflite=disabled -Denable_hailo=disabled
----

[TIP]
Expand All @@ -168,6 +168,7 @@ $ meson setup build -Denable_libav=disabled -Denable_drm=enabled -Denable_egl=di
* Use `-Dneon_flags=armv8-neon` to enable optimisations for 32-bit OSes on Raspberry Pi 3 or Raspberry Pi 4.
* Use `-Denable_opencv=enabled` if you have installed OpenCV and wish to use OpenCV-based post-processing stages.
* Use `-Denable_tflite=enabled` if you have installed TensorFlow Lite and wish to use it in post-processing stages.
* Use `-Denable_hailo=enabled` if you have installed HailoRT and wish to use it in post-processing stages.

======

Expand Down Expand Up @@ -226,6 +227,11 @@ The `meson` build configuration for `rpicam-apps` supports the following flags:

`-Denable_tflite=enabled`:: Enables or disables TensorFlow Lite post-processing stages. Disabled by default. Requires Tensorflow Lite to enable. Depending on how you have built and/or installed TFLite, you may need to tweak the `meson.build` file in the `post_processing_stages` directory.

`-Denable_hailo=enabled`:: Enables or disables HailoRT-based post-processing stages. Requires HailoRT to enable. Defaults to `auto`.

`-Ddownload_hailo_models=true`:: Downloads and installs models for HailoRT post-processing stages. Requires `wget` to be installed. Defaults to `true`.


Each of the above options (except for `neon_flags`) supports the following values:

* `enabled`: enables the option, fails the build if dependencies are not available
Expand Down