diff --git a/tools/chatgui/src/call_camera_capture.h b/tools/chatgui/src/call_camera_capture.h
index d2a2f994..2cac7adf 100644
--- a/tools/chatgui/src/call_camera_capture.h
+++ b/tools/chatgui/src/call_camera_capture.h
@@ -6,9 +6,9 @@
 
 // Только аппаратные режимы камеры, пригодные для звонка; опрос выполняется в процессе захвата.
 struct CallCameraDevice {
-    QString name;
-    QByteArray id;
-    QList<StreamVideoMode> modes;
+    QString name; // Отображаемое имя устройства.
+    QByteArray id; // Непрозрачный идентификатор Qt backend.
+    QList<StreamVideoMode> modes; // Аппаратные размеры до Full HD с частотой 30/29.97 fps.
 };
 using CallCameraDevices = QList<CallCameraDevice>;
 constexpr qint64 CallCameraMaxFrameAgeUs = 250000;
diff --git a/tools/chatgui/src/call_video_decoder.cpp b/tools/chatgui/src/call_video_decoder.cpp
index 179a0fdb..283defcc 100644
--- a/tools/chatgui/src/call_video_decoder.cpp
+++ b/tools/chatgui/src/call_video_decoder.cpp
@@ -242,10 +242,10 @@ call_video_caps CallVideoDecoder::capabilities(const std::atomic<bool>* running)
     while (!guard.try_lock()) { if (cancelled()) return {}; QThread::usleep(1000); }
     if (initialized) return caps;
     call_video_caps probed{};
-        for (unsigned codec = 1; codec <= 2; ++codec) {
-            unsigned profiles = 0, maximumTier = 0;
-            for (unsigned profile = 1; profile <= (codec == 1 ? 2u : 1u); ++profile) {
-              for (unsigned tier = 0; tier < 2; ++tier) {
+    for (unsigned codec = 1; codec <= 2; ++codec) {
+        unsigned profiles = 0, maximumTier = 0;
+        for (unsigned profile = 1; profile <= (codec == 1 ? 2u : 1u); ++profile) {
+            for (unsigned tier = 0; tier < 2; ++tier) {
                 const unsigned width = tier ? 1920 : 1280, height = tier ? 1080 : 720;
                 for (Backend backend : {Backend::HardwareOnly, Backend::SoftwareOnly}) {
                     if (cancelled()) return {};
@@ -282,7 +282,7 @@ call_video_caps CallVideoDecoder::capabilities(const std::atomic<bool>* running)
                         }
                         valid = valid && received == 8 && outputBeforeEos;
                         DEBUG_INFO(DEBUG_CATEGORY_CALL, "video decoder probe codec=%u profile=%u size=%ux%u backend=%d valid=%d inputs=%u outputs=%u pipeline=%u",
-                            codec, profile, w, h, int(backend), valid, sent, received, decoder.pipelineFrames());
+                        codec, profile, w, h, int(backend), valid, sent, received, decoder.pipelineFrames());
                         bothOrientations = valid; backendPipeline = std::max(backendPipeline, decoder.pipelineFrames());
                     }
 
@@ -298,15 +298,15 @@ call_video_caps CallVideoDecoder::capabilities(const std::atomic<bool>* running)
                         break;
                     }
                 }
-              }
-            }
-            if (profiles) {
-                const uint16_t width = maximumTier ? 1920 : 1280, height = maximumTier ? 1080 : 720;
-                call_video_limit limit{width, height, 30, uint32_t(width) * height * 30, 4000000, (uint8_t)profiles,
-                    (uint8_t)(codec == 1 ? (maximumTier ? 40 : 31) : (maximumTier ? 120 : 93))};
-                if (!call_video_limit_orientations(&limit, codec)) probed.decode[codec - 1] = limit;
             }
         }
+        if (profiles) {
+            const uint16_t width = maximumTier ? 1920 : 1280, height = maximumTier ? 1080 : 720;
+            call_video_limit limit{width, height, 30, uint32_t(width) * height * 30, 4000000, (uint8_t)profiles,
+                (uint8_t)(codec == 1 ? (maximumTier ? 40 : 31) : (maximumTier ? 120 : 93))};
+            if (!call_video_limit_orientations(&limit, codec)) probed.decode[codec - 1] = limit;
+        }
+    }
     caps = probed; initialized = true;
     return caps;
 }