camera settings: disable for all A4 TECH cameras

We've had two reported crashes.

Issue: #468

4 files changed, 33 insertions, 18 deletions

diff --git a/cv/video-property-page.cpp b/cv/video-property-page.cpp
index 08ac00d0..e5f1a9f0 100644
--- a/cv/video-property-page.cpp
+++ b/cv/video-property-page.cpp
@@ -10,7 +10,7 @@
 #ifdef _WIN32
 
 #include <cstring>
-#include <QString>
+#include <QRegularExpression>
 #include <QDebug>
 
 #define CHECK(expr) if (FAILED(hr = (expr))) { qDebug() << QStringLiteral(#expr) << hr; goto done; }
@@ -22,6 +22,24 @@ bool video_property_page::show_from_capture(cv::VideoCapture& cap, int)
     return true;
 }
 
+bool video_property_page::should_show_dialog(const QString& camera_name)
+{
+    using re = QRegularExpression;
+    static const re regexen[] =
+    {
+        re("^PS3Eye Camera$"),
+        re("^A4 TECH "),
+    };
+    bool avail = true;
+    for (const re& r : regexen)
+    {
+        avail &= !r.match(camera_name).hasMatch();
+        if (!avail)
+            break;
+    }
+    return avail;
+}
+
 bool video_property_page::show(int id)
 {
     IBaseFilter* filter = NULL;
@@ -135,6 +153,11 @@ done:
 #   include <QProcess>
 #   include "compat/camera-names.hpp"
 
+bool video_property_page::should_show_dialog(const QString& camera_name)
+{
+    return true;
+}
+
 bool video_property_page::show(int idx)
 {
     const QList<QString> camera_names(get_camera_names());
@@ -152,4 +175,8 @@ bool video_property_page::show_from_capture(cv::VideoCapture&, int idx)
 #else
 bool video_property_page::show(int) { return false; }
 bool video_property_page::show_from_capture(cv::VideoCapture&, int) { return false; }
+bool video_property_page::should_show_dialog(const QString& camera_name)
+{
+    return false;
+}
 #endif
diff --git a/cv/video-property-page.hpp b/cv/video-property-page.hpp
index 7c51f111..4e53e2ab 100644
--- a/cv/video-property-page.hpp
+++ b/cv/video-property-page.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <QString>
+
 #ifdef _WIN32
 #   include <windows.h>
 #   include <dshow.h>
@@ -12,7 +14,7 @@ struct video_property_page final
     video_property_page() = delete;
     static bool show(int id);
     static bool show_from_capture(cv::VideoCapture& cap, int idx);
-
+    static bool should_show_dialog(const QString& camera_name);
 private:
 #ifdef _WIN32
     static HRESULT ShowFilterPropertyPages(IBaseFilter* filter);
diff --git a/tracker-aruco/ftnoir_tracker_aruco.cpp b/tracker-aruco/ftnoir_tracker_aruco.cpp
index 18e6a9bf..24923ede 100644
--- a/tracker-aruco/ftnoir_tracker_aruco.cpp
+++ b/tracker-aruco/ftnoir_tracker_aruco.cpp
@@ -435,15 +435,8 @@ TrackerControls::TrackerControls()
 
 void TrackerControls::set_camera_settings_available(const QString& camera_name)
 {
-#ifdef _WIN32
-    const bool avail = camera_name != QStringLiteral("PS3Eye Camera");
+    const bool avail = video_property_page::should_show_dialog(camera_name);
     ui.camera_settings->setEnabled(avail);
-#elif defined(__linux)
-    (void)camera_name;
-#else
-    (void)camera_name;
-    ui.camera_settings->setEnabled(false);
-#endif
 }
 
 void TrackerControls::show_camera_settings()
diff --git a/tracker-pt/ftnoir_tracker_pt_dialog.cpp b/tracker-pt/ftnoir_tracker_pt_dialog.cpp
index c722e9a7..d3d68efc 100644
--- a/tracker-pt/ftnoir_tracker_pt_dialog.cpp
+++ b/tracker-pt/ftnoir_tracker_pt_dialog.cpp
@@ -151,15 +151,8 @@ void TrackerDialog_PT::poll_tracker_info()
 
 void TrackerDialog_PT::set_camera_settings_available(const QString& camera_name)
 {
-#ifdef _WIN32
-    const bool avail = camera_name != QStringLiteral("PS3Eye Camera");
+    const bool avail = video_property_page::should_show_dialog(camera_name);
     ui.camera_settings->setEnabled(avail);
-#elif defined(__linux)
-    (void)camera_name;
-#else
-    (void)camera_name;
-    ui.camera_settings->setEnabled(false);
-#endif
 }
 
 void TrackerDialog_PT::show_camera_settings()