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ipa: raspberrypi: Return an error code from Algorithm::read()

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When encountering errors, the Algorithm::read() function either uses
LOG(Fatal) or throws exceptions from the boost property_tree functions.
To prepare for replacing boost JSON parse with the YamlParser class,
give the Algorithm::read() function the ability to return an error code,
and propagate it all the way to the IPA module init() function.

All algorithm classes return a hardcoded 0 value for now, subsequent
commits will change that.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Naushir Patuck <naush@raspberrypi.com>
This commit is contained in:
Laurent Pinchart
2022-07-26 02:36:38 +03:00
parent 0c84c67e39
commit f357b1bf6e
31 changed files with 151 additions and 75 deletions
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src/ipa/raspberrypi/controller/algorithm.h
+1 -1
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@@ -35,7 +35,7 @@ public:
virtual bool isPaused() const { return paused_; }
virtual void pause() { paused_ = true; }
virtual void resume() { paused_ = false; }
virtual void read(boost::property_tree::ptree const &params);
virtual int read(boost::property_tree::ptree const &params);
virtual void initialise();
virtual void switchMode(CameraMode const &cameraMode, Metadata *metadata);
virtual void prepare(Metadata *imageMetadata);