diff --git a/api/test/peerconnection_quality_test_fixture.h b/api/test/peerconnection_quality_test_fixture.h
index f370478..8717e8f 100644
--- a/api/test/peerconnection_quality_test_fixture.h
+++ b/api/test/peerconnection_quality_test_fixture.h
@@ -220,11 +220,19 @@
     // was captured during the test for this video stream on sender side.
     // It is useful when generator is used as input.
     absl::optional<std::string> input_dump_file_name;
+    // Used only if |input_dump_file_name| is set. Specifies the module for the
+    // video frames to be dumped. Modulo equals X means every Xth frame will be
+    // written to the dump file. The value must be greater than 0.
+    int input_dump_sampling_modulo = 1;
     // If specified this file will be used as output on the receiver side for
     // this stream. If multiple streams will be produced by input stream,
     // output files will be appended with indexes. The produced files contains
     // what was rendered for this video stream on receiver side.
     absl::optional<std::string> output_dump_file_name;
+    // Used only if |output_dump_file_name| is set. Specifies the module for the
+    // video frames to be dumped. Modulo equals X means every Xth frame will be
+    // written to the dump file. The value must be greater than 0.
+    int output_dump_sampling_modulo = 1;
     // If true will display input and output video on the user's screen.
     bool show_on_screen = false;
     // If specified, determines a sync group to which this video stream belongs.
diff --git a/test/pc/e2e/analyzer/video/video_quality_analyzer_injection_helper.cc b/test/pc/e2e/analyzer/video/video_quality_analyzer_injection_helper.cc
index ebfb416..6d14558 100644
--- a/test/pc/e2e/analyzer/video/video_quality_analyzer_injection_helper.cc
+++ b/test/pc/e2e/analyzer/video/video_quality_analyzer_injection_helper.cc
@@ -28,17 +28,23 @@
 
 class VideoWriter final : public rtc::VideoSinkInterface<VideoFrame> {
  public:
-  VideoWriter(test::VideoFrameWriter* video_writer)
-      : video_writer_(video_writer) {}
+  VideoWriter(test::VideoFrameWriter* video_writer, int sampling_modulo)
+      : video_writer_(video_writer), sampling_modulo_(sampling_modulo) {}
   ~VideoWriter() override = default;
 
   void OnFrame(const VideoFrame& frame) override {
+    if (frames_counter_++ % sampling_modulo_ != 0) {
+      return;
+    }
     bool result = video_writer_->WriteFrame(frame);
     RTC_CHECK(result) << "Failed to write frame";
   }
 
  private:
-  test::VideoFrameWriter* video_writer_;
+  test::VideoFrameWriter* const video_writer_;
+  const int sampling_modulo_;
+
+  int64_t frames_counter_ = 0;
 };
 
 class AnalyzingFramePreprocessor
@@ -122,7 +128,8 @@
   test::VideoFrameWriter* writer =
       MaybeCreateVideoWriter(config.input_dump_file_name, config);
   if (writer) {
-    sinks.push_back(std::make_unique<VideoWriter>(writer));
+    sinks.push_back(std::make_unique<VideoWriter>(
+        writer, config.input_dump_sampling_modulo));
   }
   if (config.show_on_screen) {
     sinks.push_back(absl::WrapUnique(
@@ -225,7 +232,8 @@
   test::VideoFrameWriter* writer =
       MaybeCreateVideoWriter(config.output_dump_file_name, config);
   if (writer) {
-    sinks.push_back(std::make_unique<VideoWriter>(writer));
+    sinks.push_back(std::make_unique<VideoWriter>(
+        writer, config.output_dump_sampling_modulo));
   }
   if (config.show_on_screen) {
     sinks.push_back(absl::WrapUnique(
diff --git a/test/pc/e2e/peer_configurer.cc b/test/pc/e2e/peer_configurer.cc
index b5616b5..18570c2 100644
--- a/test/pc/e2e/peer_configurer.cc
+++ b/test/pc/e2e/peer_configurer.cc
@@ -134,6 +134,15 @@
       RTC_CHECK(inserted) << "Duplicate video_config.stream_label="
                           << video_config.stream_label.value();
 
+      if (video_config.input_dump_file_name.has_value()) {
+        RTC_CHECK_GT(video_config.input_dump_sampling_modulo, 0)
+            << "video_config.input_dump_sampling_modulo must be greater than 0";
+      }
+      if (video_config.output_dump_file_name.has_value()) {
+        RTC_CHECK_GT(video_config.output_dump_sampling_modulo, 0)
+            << "video_config.input_dump_sampling_modulo must be greater than 0";
+      }
+
       // TODO(bugs.webrtc.org/4762): remove this check after synchronization of
       // more than two streams is supported.
       if (video_config.sync_group.has_value()) {