diff --git a/call/adaptation/video_source_restrictions.h b/call/adaptation/video_source_restrictions.h
index 506bae6133..9ee670dba5 100644
--- a/call/adaptation/video_source_restrictions.h
+++ b/call/adaptation/video_source_restrictions.h
@@ -11,9 +11,11 @@
 #ifndef CALL_ADAPTATION_VIDEO_SOURCE_RESTRICTIONS_H_
 #define CALL_ADAPTATION_VIDEO_SOURCE_RESTRICTIONS_H_
 
+#include <string>
 #include <utility>
 
 #include "absl/types/optional.h"
+#include "rtc_base/strings/string_builder.h"
 
 namespace webrtc {
 
@@ -38,6 +40,19 @@ class VideoSourceRestrictions {
     return !(*this == rhs);
   }
 
+  std::string ToString() const {
+    rtc::StringBuilder ss;
+    ss << "{";
+    if (max_frame_rate_)
+      ss << " max_fps=" << max_frame_rate_.value();
+    if (max_pixels_per_frame_)
+      ss << " max_pixels_per_frame=" << max_pixels_per_frame_.value();
+    if (target_pixels_per_frame_)
+      ss << " target_pixels_per_frame=" << target_pixels_per_frame_.value();
+    ss << " }";
+    return ss.Release();
+  }
+
   // The source must produce a resolution less than or equal to
   // max_pixels_per_frame().
   const absl::optional<size_t>& max_pixels_per_frame() const;
diff --git a/video/video_source_sink_controller.cc b/video/video_source_sink_controller.cc
index a649adc68c..ea1059c2e9 100644
--- a/video/video_source_sink_controller.cc
+++ b/video/video_source_sink_controller.cc
@@ -14,10 +14,27 @@
 #include <limits>
 #include <utility>
 
+#include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
 
 namespace webrtc {
 
+namespace {
+
+std::string WantsToString(const rtc::VideoSinkWants& wants) {
+  rtc::StringBuilder ss;
+
+  ss << "max_fps=" << wants.max_framerate_fps
+     << " max_pixel_count=" << wants.max_pixel_count << " target_pixel_count="
+     << (wants.target_pixel_count.has_value()
+             ? std::to_string(wants.target_pixel_count.value())
+             : "null");
+
+  return ss.Release();
+}
+
+}  // namespace
+
 VideoSourceSinkController::VideoSourceSinkController(
     rtc::VideoSinkInterface<VideoFrame>* sink,
     rtc::VideoSourceInterface<VideoFrame>* source)
@@ -46,7 +63,9 @@ void VideoSourceSinkController::PushSourceSinkSettings() {
   rtc::CritScope lock(&crit_);
   if (!source_)
     return;
-  source_->AddOrUpdateSink(sink_, CurrentSettingsToSinkWants());
+  rtc::VideoSinkWants wants = CurrentSettingsToSinkWants();
+  RTC_LOG(INFO) << "Pushing SourceSink restrictions: " << WantsToString(wants);
+  source_->AddOrUpdateSink(sink_, wants);
 }
 
 VideoSourceRestrictions VideoSourceSinkController::restrictions() const {
diff --git a/video/video_source_sink_controller.h b/video/video_source_sink_controller.h
index 68fef3f071..665493aa3d 100644
--- a/video/video_source_sink_controller.h
+++ b/video/video_source_sink_controller.h
@@ -11,6 +11,8 @@
 #ifndef VIDEO_VIDEO_SOURCE_SINK_CONTROLLER_H_
 #define VIDEO_VIDEO_SOURCE_SINK_CONTROLLER_H_
 
+#include <string>
+
 #include "absl/types/optional.h"
 #include "api/video/video_frame.h"
 #include "api/video/video_sink_interface.h"
diff --git a/video/video_stream_encoder.cc b/video/video_stream_encoder.cc
index 1dd8d825d9..6d148cd62a 100644
--- a/video/video_stream_encoder.cc
+++ b/video/video_stream_encoder.cc
@@ -1698,6 +1698,9 @@ void VideoStreamEncoder::OnVideoSourceRestrictionsUpdated(
     const VideoAdaptationCounters& adaptation_counters,
     rtc::scoped_refptr<Resource> reason) {
   RTC_DCHECK_RUN_ON(&resource_adaptation_queue_);
+  std::string resource_name = reason ? reason->name() : "<null>";
+  RTC_LOG(INFO) << "Updating sink restrictions from " << resource_name << " to "
+                << restrictions.ToString();
   video_source_sink_controller_.SetRestrictions(std::move(restrictions));
   video_source_sink_controller_.PushSourceSinkSettings();
 }