Move UniqueTimestampCounter to video/

This helper class currently lives in `modules/video_coding`,
but it's only users are in `video/`. Thus, it makes sense to
move the class to `video/`.

Bug: webrtc:14116
Change-Id: I0d3f8961bc8f5fe80f3100dbbd309b206020e6d5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262963
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36973}

modules/video_coding/BUILD.gn

@@ -268,8 +268,6 @@ rtc_library("video_coding") {
     "rtp_vp9_ref_finder.h",
     "timestamp_map.cc",
     "timestamp_map.h",
-    "unique_timestamp_counter.cc",
-    "unique_timestamp_counter.h",
     "video_codec_initializer.cc",
     "video_receiver2.cc",
     "video_receiver2.h",
@@ -1176,7 +1174,6 @@ if (rtc_include_tests) {
       "test/stream_generator.h",
       "timestamp_map_unittest.cc",
       "timing_unittest.cc",
-      "unique_timestamp_counter_unittest.cc",
       "utility/bandwidth_quality_scaler_unittest.cc",
       "utility/decoded_frames_history_unittest.cc",
       "utility/frame_dropper_unittest.cc",

video/BUILD.gn

@@ -57,6 +57,7 @@ rtc_library("video") {
     ":frame_cadence_adapter",
     ":frame_decode_scheduler",
     ":frame_dumping_decoder",
+    ":unique_timestamp_counter",
     ":video_receive_stream_timeout_tracker",
     ":video_stream_encoder_impl",
     "../api:array_view",
@@ -179,6 +180,7 @@ rtc_source_set("video_legacy") {
   ]
   deps = [
     ":frame_dumping_decoder",
+    ":unique_timestamp_counter",
     ":video",
     "../api:array_view",
     "../api:field_trials_view",
@@ -527,6 +529,13 @@ rtc_library("video_stream_encoder_impl") {
   ]
 }
 
+rtc_library("unique_timestamp_counter") {
+  sources = [
+    "unique_timestamp_counter.cc",
+    "unique_timestamp_counter.h",
+  ]
+}
+
 if (rtc_include_tests) {
   rtc_library("video_mocks") {
     testonly = true
@@ -828,6 +837,7 @@ if (rtc_include_tests) {
       "stats_counter_unittest.cc",
       "stream_synchronization_unittest.cc",
       "task_queue_frame_decode_scheduler_unittest.cc",
+      "unique_timestamp_counter_unittest.cc",
       "video_receive_stream2_unittest.cc",
       "video_receive_stream_timeout_tracker_unittest.cc",
       "video_send_stream_impl_unittest.cc",
@@ -843,6 +853,7 @@ if (rtc_include_tests) {
       ":frame_decode_scheduler",
       ":frame_decode_timing",
       ":task_queue_frame_decode_scheduler",
+      ":unique_timestamp_counter",
       ":video",
       ":video_mocks",
       ":video_receive_stream_timeout_tracker",

video/rtp_video_stream_receiver.h

@@ -44,7 +44,6 @@
 #include "modules/video_coding/loss_notification_controller.h"
 #include "modules/video_coding/packet_buffer.h"
 #include "modules/video_coding/rtp_frame_reference_finder.h"
-#include "modules/video_coding/unique_timestamp_counter.h"
 #include "rtc_base/experiments/field_trial_parser.h"
 #include "rtc_base/numerics/sequence_number_util.h"
 #include "rtc_base/synchronization/mutex.h"
@@ -52,6 +51,7 @@
 #include "rtc_base/thread_annotations.h"
 #include "video/buffered_frame_decryptor.h"
 #include "video/rtp_video_stream_receiver_frame_transformer_delegate.h"
+#include "video/unique_timestamp_counter.h"
 
 namespace webrtc {
 

video/rtp_video_stream_receiver2.h

@@ -42,13 +42,13 @@
 #include "modules/video_coding/nack_requester.h"
 #include "modules/video_coding/packet_buffer.h"
 #include "modules/video_coding/rtp_frame_reference_finder.h"
-#include "modules/video_coding/unique_timestamp_counter.h"
 #include "rtc_base/experiments/field_trial_parser.h"
 #include "rtc_base/numerics/sequence_number_util.h"
 #include "rtc_base/system/no_unique_address.h"
 #include "rtc_base/thread_annotations.h"
 #include "video/buffered_frame_decryptor.h"
 #include "video/rtp_video_stream_receiver_frame_transformer_delegate.h"
+#include "video/unique_timestamp_counter.h"
 
 namespace webrtc {
 

video/unique_timestamp_counter.cc

@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "modules/video_coding/unique_timestamp_counter.h"
+#include "video/unique_timestamp_counter.h"
 
 #include <cstdint>
 #include <memory>

video/unique_timestamp_counter.h

@@ -7,8 +7,8 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#ifndef MODULES_VIDEO_CODING_UNIQUE_TIMESTAMP_COUNTER_H_
+#ifndef VIDEO_UNIQUE_TIMESTAMP_COUNTER_H_
-#define MODULES_VIDEO_CODING_UNIQUE_TIMESTAMP_COUNTER_H_
+#define VIDEO_UNIQUE_TIMESTAMP_COUNTER_H_
 
 #include <cstdint>
 #include <memory>
@@ -16,7 +16,7 @@
 
 namespace webrtc {
 
-// Counts number of uniquly seen frames (aka pictures, aka temporal units)
+// Counts number of uniquely seen frames (aka pictures, aka temporal units)
 // identified by their rtp timestamp.
 class UniqueTimestampCounter {
  public:
@@ -41,4 +41,4 @@ class UniqueTimestampCounter {
 
 }  // namespace webrtc
 
-#endif  // MODULES_VIDEO_CODING_UNIQUE_TIMESTAMP_COUNTER_H_
+#endif  // VIDEO_UNIQUE_TIMESTAMP_COUNTER_H_

video/unique_timestamp_counter_unittest.cc

@@ -7,7 +7,7 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#include "modules/video_coding/unique_timestamp_counter.h"
+#include "video/unique_timestamp_counter.h"
 
 #include "test/gtest.h"