From 169ddcb09cd26fa0a685f691f63b49e70e1be93b Mon Sep 17 00:00:00 2001
From: Nikita Kostovsky <nikita@kostovsky.me>
Date: Sat, 11 Jul 2026 18:34:34 +0200
Subject: minor fixes and debugging

---
 src/pixels.cpp | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 61 insertions(+), 3 deletions(-)

(limited to 'src/pixels.cpp')

diff --git a/src/pixels.cpp b/src/pixels.cpp
index e6d359c..5b7b226 100644
--- a/src/pixels.cpp
+++ b/src/pixels.cpp
@@ -1,5 +1,7 @@
 #include "pixels.h"
 
+#include "fuck_intel.h"
+
 #include <execution>
 #include <filesystem>
 #include <fstream>
@@ -38,13 +40,21 @@ std::optional<Pixels> Pixels::load(
     if (!std::filesystem::exists(filepath)) {
         std::cerr << "no such file: " << filepath << std::endl;
 
-        return {};
+        return std::nullopt;
+    }
+
+    const auto fileSize = std::filesystem::file_size(filepath);
+
+    if (fileSize != sizeof(Pixels)) {
+        std::cerr << "wrong file size: " << filepath << std::endl;
+        std::cerr << "sizeof(Pixels): " << sizeof(Pixels) << std::endl;
+        return std::nullopt;
     }
 
     std::ifstream ifs(filepath, std::ios::in | std::ios::binary);
 
     if (!ifs)
-        return {};
+        return std::nullopt;
 
     Pixels result;
     ifs.read(reinterpret_cast<char*>(&result), sizeof(Pixels));
@@ -53,9 +63,11 @@ std::optional<Pixels> Pixels::load(
     if (!ifs) {
         std::cerr << "cannot read " << filepath << std::endl;
 
-        return {};
+        return std::nullopt;
     }
 
+    result.debugPrintIfInvalid();
+
     return result;
 }
 
@@ -87,6 +99,8 @@ bool Pixels::save(
         return false;
     }
 
+    debugPrintIfInvalid();
+
     std::cout << "saved pixels at enc pos " << counters.encoderPosition << std::endl;
 
     return true;
@@ -104,7 +118,51 @@ Pixels::operator bool() const
     return result;
 }
 
+bool Pixels::debugPrintIfInvalid() const
+{
+    const bool valid{std::find_if(std::execution::par_unseq,
+                                  pixels.cbegin(),
+                                  pixels.cend(),
+                                  [](const auto &p) { return p > 280; })
+                     == pixels.cend()};
+
+    if (!valid) {
+        qCritical() << Q_FUNC_INFO << "got invalid profile:" << *this;
+    }
+
+    return valid;
+}
+
 // std::lock_guard<std::mutex> Pixels::lock()
 // {
 //     return std::move(std::lock_guard{m_mtx});
 // }
+
+QDebug &operator<<(QDebug &debug, const Pixels &pixels)
+{
+    QDebugStateSaver saver{debug};
+    const auto &c = pixels.counters;
+    const auto &px = pixels.pixels;
+
+    QList<double> numbers;
+
+    for (size_t i{0}; i < 4 && i < px.size(); ++i) {
+        numbers << px.at(i);
+    }
+
+    for (size_t i{(px.size() - 4) / 2}; i < px.size() / 2 + 2 && i < px.size(); ++i) {
+        numbers << px.at(i);
+    }
+
+    for (size_t i{px.size() - 4 - 1}; i < px.size(); ++i) {
+        numbers << px.at(i);
+    }
+
+    debug.nospace().noquote() << QStringLiteral("Pixels { ts: %1 mc: %2 ep: %3 [ %4 ] }")
+                                     .arg(QString::number(c.timestampUs),
+                                          QString::number(c.measurementCounter),
+                                          QString::number(c.encoderPosition))
+                              << qSetRealNumberPrecision(4) << numbers;
+
+    return debug;
+}
-- 
cgit v1.3.1