Video capture: update video format with capability index change

Changing capability index also means we are also changing the capture
format, otherwise we might use a different format under the hood, while
still comparing to the previous one and also at the end reporting wrong
format we found as best matching.

Bug: webrtc:405996231
Change-Id: Ia8e6262f9eda318f7f98d31fcf15ae1471638898
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/382700
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Jan Grulich <grulja@gmail.com>
Cr-Commit-Position: refs/heads/main@{#44245}
diff --git a/modules/video_capture/BUILD.gn b/modules/video_capture/BUILD.gn
index c15dced..22f5ff2 100644
--- a/modules/video_capture/BUILD.gn
+++ b/modules/video_capture/BUILD.gn
@@ -33,6 +33,7 @@
     "../../api/video:video_frame",
     "../../api/video:video_rtp_headers",
     "../../common_video",
+    "../../rtc_base:checks",
     "../../rtc_base:event_tracer",
     "../../rtc_base:logging",
     "../../rtc_base:macromagic",
diff --git a/modules/video_capture/device_info_impl.cc b/modules/video_capture/device_info_impl.cc
index d55ea6d..dc49d8a 100644
--- a/modules/video_capture/device_info_impl.cc
+++ b/modules/video_capture/device_info_impl.cc
@@ -12,9 +12,16 @@
 
 #include <stdlib.h>
 
+#include <cstdint>
+
 #include "absl/strings/match.h"
 #include "absl/strings/string_view.h"
+#include "api/video/video_rotation.h"
+#include "common_video/libyuv/include/webrtc_libyuv.h"
+#include "modules/video_capture/video_capture_defines.h"
+#include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
+#include "rtc_base/synchronization/mutex.h"
 
 #ifndef abs
 #define abs(a) (a >= 0 ? a : -a)
@@ -158,6 +165,7 @@
                 if (capability.height == requested.height &&
                     capability.width == requested.width &&
                     capability.maxFPS >= requested.maxFPS) {
+                  bestVideoType = capability.videoType;
                   bestformatIndex = tmp;
                 }
               } else  // Better frame rate