libipa: FrameContext: Move init() to FrameContext

The FCtQueue structure initializes a new FrameContext using its init()
function. In case of request underrun, where a FrameContext is
initialized without application's controls being supplied, the
FrameContext needs to be initialized to default values.

In order to allow the single IPAs to initialize a FrameContext to
the desired default values, move the init() function to the FrameContext
structure, which each IPA derives to a per-IPA type.

In this way each IPA can override the FrameContext::init() function
and initialize the FrameContext to the desired default values.

Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

2 files changed, 7 insertions, 0 deletions

diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp
index 14d0c02a..4e4fe5f4 100644
--- a/src/ipa/rkisp1/ipa_context.cpp
+++ b/src/ipa/rkisp1/ipa_context.cpp
@@ -417,6 +417,11 @@ namespace libcamera::ipa::rkisp1 {
  * \brief Analogue gain multiplier
  */
 
+void IPAFrameContext::init(const uint32_t frameNum)
+{
+	FrameContext::init(frameNum);
+}
+
 /**
  * \struct IPAContext
  * \brief Global IPA context data shared between all algorithms
diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h
index e274d9b0..51e04bc3 100644
--- a/src/ipa/rkisp1/ipa_context.h
+++ b/src/ipa/rkisp1/ipa_context.h
@@ -177,6 +177,8 @@ struct IPAFrameContext : public FrameContext {
 	struct {
 		Matrix<float, 3, 3> ccm;
 	} ccm;
+
+	void init(const uint32_t frame) override;
 };
 
 struct IPAContext {