From 287726495e68adaebe85a2daf52cae9dddbd3b6d Mon Sep 17 00:00:00 2001 From: Daniel Semkowicz via libcamera-devel Date: Wed, 13 Jul 2022 10:43:16 +0200 Subject: ipa: rkisp1: af: Skip few frames after changing lens position With 30fps stream, lens movement takes more time than one frame. Skip few frames to allow lens to stabilize before calculating next contrast value. Signed-off-by: Daniel Semkowicz --- src/ipa/rkisp1/algorithms/af.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/ipa/rkisp1/algorithms/af.cpp') diff --git a/src/ipa/rkisp1/algorithms/af.cpp b/src/ipa/rkisp1/algorithms/af.cpp index cd4f0e08..a0d914e0 100644 --- a/src/ipa/rkisp1/algorithms/af.cpp +++ b/src/ipa/rkisp1/algorithms/af.cpp @@ -86,7 +86,10 @@ void Af::process(IPAContext &context, uint32_t lensPosition = processAutofocus(sharpness); - context.frameContext.af.focus = lensPosition; + if (lensPosition != context.frameContext.af.focus) { + context.frameContext.af.focus = lensPosition; + setFramesToSkip(kFLensWaitFrames); + } } void Af::setMetering(controls::AfMeteringEnum metering) -- cgit v1.2.1