diff --git a/test/pc/e2e/analyzer/video/BUILD.gn b/test/pc/e2e/analyzer/video/BUILD.gn
index 47a3721ea2..cbb4c078f3 100644
--- a/test/pc/e2e/analyzer/video/BUILD.gn
+++ b/test/pc/e2e/analyzer/video/BUILD.gn
@@ -231,6 +231,7 @@ rtc_library("default_video_quality_analyzer_internal") {
     "../..:metric_metadata_keys",
     "../../../../../api:array_view",
     "../../../../../api:scoped_refptr",
+    "../../../../../api/numerics",
     "../../../../../api/units:data_size",
     "../../../../../api/units:timestamp",
     "../../../../../api/video:video_frame",
diff --git a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.cc b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.cc
index 5f08b452fc..24f829e089 100644
--- a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.cc
+++ b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.cc
@@ -94,7 +94,8 @@ void FrameInFlight::OnFrameEncoded(webrtc::Timestamp time,
   frame_type_ = frame_type;
   encoded_image_size_ = encoded_image_size;
   target_encode_bitrate_ += target_encode_bitrate;
-  qp_values_.push_back(qp);
+  qp_values_.AddSample(SamplesStatsCounter::StatsSample{
+      .value = static_cast<double>(qp), .time = time});
   // Update used encoder info. If simulcast/SVC is used, this method can
   // be called multiple times, in such case we should preserve the value
   // of `used_encoder_.switched_on_at` from the first invocation as the
@@ -184,8 +185,7 @@ FrameStats FrameInFlight::GetStatsForPeer(size_t peer) const {
   stats.encoded_frame_type = frame_type_;
   stats.encoded_image_size = encoded_image_size_;
   stats.used_encoder = used_encoder_;
-  stats.qp_values.insert(stats.qp_values.begin(), qp_values_.begin(),
-                         qp_values_.end());
+  stats.qp_values = qp_values_;
 
   absl::optional<ReceiverFrameStats> receiver_stats =
       MaybeGetValue<ReceiverFrameStats>(receiver_stats_, peer);
diff --git a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.h b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.h
index 26785bdc97..7ee910effe 100644
--- a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.h
+++ b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frame_in_flight.h
@@ -17,6 +17,7 @@
 #include <vector>
 
 #include "absl/types/optional.h"
+#include "api/numerics/samples_stats_counter.h"
 #include "api/units/data_size.h"
 #include "api/units/timestamp.h"
 #include "api/video/video_frame.h"
@@ -153,7 +154,7 @@ class FrameInFlight {
   VideoFrameType frame_type_ = VideoFrameType::kEmptyFrame;
   DataSize encoded_image_size_ = DataSize::Bytes(0);
   uint32_t target_encode_bitrate_ = 0;
-  std::vector<int> qp_values_;
+  SamplesStatsCounter qp_values_;
   // Can be not set if frame was dropped by encoder.
   absl::optional<StreamCodecInfo> used_encoder_ = absl::nullopt;
   // Map from the receiver peer's index to frame stats for that peer.
diff --git a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator.cc b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator.cc
index 400309653a..77418b7e5d 100644
--- a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator.cc
+++ b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator.cc
@@ -459,8 +459,10 @@ void DefaultVideoQualityAnalyzerFramesComparator::ProcessComparison(
         frame_stats.encoded_image_size.bytes();
     stats->target_encode_bitrate.AddSample(StatsSample(
         frame_stats.target_encode_bitrate, frame_stats.encoded_time, metadata));
-    for (const int qp : frame_stats.qp_values) {
-      stats->qp.AddSample(StatsSample(qp, frame_stats.encoded_time, metadata));
+    for (SamplesStatsCounter::StatsSample qp :
+         frame_stats.qp_values.GetTimedSamples()) {
+      qp.metadata = metadata;
+      stats->qp.AddSample(std::move(qp));
     }
 
     // Stats sliced on encoded frame type.
diff --git a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator_test.cc b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator_test.cc
index 519eee6d07..2cfb0c3d79 100644
--- a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator_test.cc
+++ b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_frames_comparator_test.cc
@@ -108,6 +108,16 @@ FrameStats ShiftStatsOn(const FrameStats& stats, TimeDelta delta) {
   return frame_stats;
 }
 
+SamplesStatsCounter StatsCounter(
+    const std::vector<std::pair<double, Timestamp>>& samples) {
+  SamplesStatsCounter counter;
+  for (const std::pair<double, Timestamp>& sample : samples) {
+    counter.AddSample(SamplesStatsCounter::StatsSample{.value = sample.first,
+                                                       .time = sample.second});
+  }
+  return counter;
+}
+
 double GetFirstOrDie(const SamplesStatsCounter& counter) {
   EXPECT_FALSE(counter.IsEmpty()) << "Counter has to be not empty";
   return counter.GetSamples()[0];
@@ -478,7 +488,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
 
   comparator.Start(/*max_threads_count=*/1);
   comparator.EnsureStatsForStream(stream, sender, /*peers_count=*/2,
@@ -548,7 +559,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameDelta;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
 
   comparator.Start(/*max_threads_count=*/1);
   comparator.EnsureStatsForStream(stream, sender, /*peers_count=*/2,
@@ -618,7 +630,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
   // Frame pre decoded
   frame_stats.pre_decoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.pre_decoded_image_size = DataSize::Bytes(500);
@@ -693,7 +706,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
   // Frame pre decoded
   frame_stats.pre_decoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.pre_decoded_image_size = DataSize::Bytes(500);
@@ -776,7 +790,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
   // Frame pre decoded
   frame_stats.pre_decoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.pre_decoded_image_size = DataSize::Bytes(500);
@@ -977,7 +992,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
 
   comparator.Start(/*max_threads_count=*/1);
   comparator.EnsureStatsForStream(stream, sender, /*peers_count=*/2,
@@ -1047,7 +1063,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameDelta;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
 
   comparator.Start(/*max_threads_count=*/1);
   comparator.EnsureStatsForStream(stream, sender, /*peers_count=*/2,
@@ -1193,7 +1210,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
   // Frame pre decoded
   frame_stats.pre_decoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.pre_decoded_image_size = DataSize::Bytes(500);
@@ -1275,7 +1293,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
   // Frame pre decoded
   frame_stats.pre_decoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.pre_decoded_image_size = DataSize::Bytes(500);
@@ -1359,7 +1378,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest,
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
   // Frame pre decoded
   frame_stats.pre_decoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.pre_decoded_image_size = DataSize::Bytes(500);
@@ -1444,7 +1464,8 @@ TEST(DefaultVideoQualityAnalyzerFramesComparatorTest, AllStatsHaveMetadataSet) {
   frame_stats.encoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.encoded_image_size = DataSize::Bytes(1000);
   frame_stats.target_encode_bitrate = 2000;
-  frame_stats.qp_values = {5, 5};
+  frame_stats.qp_values = StatsCounter(
+      /*samples=*/{{5, Timestamp::Seconds(1)}, {5, Timestamp::Seconds(2)}});
   // Frame pre decoded
   frame_stats.pre_decoded_frame_type = VideoFrameType::kVideoFrameKey;
   frame_stats.pre_decoded_image_size = DataSize::Bytes(500);
diff --git a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_internal_shared_objects.h b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_internal_shared_objects.h
index 0b2ad2078b..3e65e2b888 100644
--- a/test/pc/e2e/analyzer/video/default_video_quality_analyzer_internal_shared_objects.h
+++ b/test/pc/e2e/analyzer/video/default_video_quality_analyzer_internal_shared_objects.h
@@ -17,6 +17,7 @@
 #include <vector>
 
 #include "absl/types/optional.h"
+#include "api/numerics/samples_stats_counter.h"
 #include "api/units/data_size.h"
 #include "api/units/timestamp.h"
 #include "api/video/video_frame.h"
@@ -66,7 +67,7 @@ struct FrameStats {
   // There can be multiple qp values for single video frame when simulcast
   // or SVC is used. In such case multiple EncodedImage's are created by encoder
   // and each of it will have its own qp value.
-  std::vector<int> qp_values;
+  SamplesStatsCounter qp_values;
 
   absl::optional<int> decoded_frame_width = absl::nullopt;
   absl::optional<int> decoded_frame_height = absl::nullopt;