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Fix first reading.

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This commit is contained in:
Thomas Harte
2025-10-16 20:51:39 -04:00
parent 89678f1ea7
commit e7f09e2ece
1 changed files with 8 additions and 8 deletions
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16
Outputs/CRT/Internals/RectAccumulator.hpp
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@@ -22,7 +22,8 @@ struct RectAccumulator {
stable_filter_.push_back(rect); stable_filter_.push_back(rect);
if(stable_filter_.full() && stable_filter_.stable(stability_threshold_)) { if(stable_filter_.full() && stable_filter_.stable(stability_threshold_)) {
candidates_.push_back(stable_filter_.join()); first_reading_ = stable_filter_.join();
candidates_.push_back(*first_reading_);
stable_filter_.reset(); stable_filter_.reset();
if(candidates_.full()) { if(candidates_.full()) {
@@ -33,15 +34,12 @@ struct RectAccumulator {
} }
std::optional<Display::Rect> first_reading() { std::optional<Display::Rect> first_reading() {
if( if(did_first_read_) {
did_first_read_ ||
!stable_filter_.full() ||
!stable_filter_.stable(stability_threshold_)
) {
return std::nullopt; return std::nullopt;
} }
did_first_read_ = true;
return stable_filter_.join(); did_first_read_ = first_reading_.has_value();
return first_reading_;
} }
void set_stability_threshold(const float stability_threshold) { void set_stability_threshold(const float stability_threshold) {
@@ -111,6 +109,8 @@ private:
// At startup, look for a small number of sequential but consistent frames. // At startup, look for a small number of sequential but consistent frames.
static constexpr int StableFilterSize = 4; static constexpr int StableFilterSize = 4;
RectHistory<StableFilterSize> stable_filter_; RectHistory<StableFilterSize> stable_filter_;
std::optional<Display::Rect> first_reading_;
bool did_first_read_ = false; bool did_first_read_ = false;
float stability_threshold_ = 0.0f; float stability_threshold_ = 0.0f;