Add accessor methods for RTP timestamp of EncodedImage.

Intention is to make the member private, but downstream callers
must be updated to use the accessor methods first.

Bug: webrtc:9378
Change-Id: I3495bd8d545b7234fbea10abfd14f082caa420b6
Reviewed-on: https://webrtc-review.googlesource.com/82160
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24352}
diff --git a/modules/video_coding/jitter_buffer_unittest.cc b/modules/video_coding/jitter_buffer_unittest.cc
index d1744d5..e38a7eb 100644
--- a/modules/video_coding/jitter_buffer_unittest.cc
+++ b/modules/video_coding/jitter_buffer_unittest.cc
@@ -259,7 +259,7 @@
     VCMEncodedFrame* found_frame = jitter_buffer_->NextCompleteFrame(10);
     if (!found_frame)
       return nullptr;
-    return jitter_buffer_->ExtractAndSetDecode(found_frame->TimeStamp());
+    return jitter_buffer_->ExtractAndSetDecode(found_frame->Timestamp());
   }
 
   VCMEncodedFrame* DecodeIncompleteFrame() {
@@ -414,7 +414,7 @@
       return false;
 
     VCMEncodedFrame* frame =
-        jitter_buffer_->ExtractAndSetDecode(found_frame->TimeStamp());
+        jitter_buffer_->ExtractAndSetDecode(found_frame->Timestamp());
     bool ret = (frame != NULL);
     jitter_buffer_->ReleaseFrame(frame);
     return ret;
@@ -964,12 +964,12 @@
   EXPECT_EQ(kCompleteSession, jitter_buffer_->InsertPacket(*packet_, &re));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(1000U, frame_out->TimeStamp());
+  EXPECT_EQ(1000U, frame_out->Timestamp());
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(13000U, frame_out->TimeStamp());
+  EXPECT_EQ(13000U, frame_out->Timestamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 }
@@ -1029,7 +1029,7 @@
   EXPECT_EQ(kCompleteSession, jitter_buffer_->InsertPacket(*packet_, &re));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(3000U, frame_out->TimeStamp());
+  EXPECT_EQ(3000U, frame_out->Timestamp());
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   EXPECT_EQ(0, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_FALSE(
@@ -1037,14 +1037,14 @@
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(6000U, frame_out->TimeStamp());
+  EXPECT_EQ(6000U, frame_out->Timestamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   EXPECT_EQ(2, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_TRUE(frame_out->CodecSpecific()->codecSpecific.VP9.temporal_up_switch);
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(9000U, frame_out->TimeStamp());
+  EXPECT_EQ(9000U, frame_out->Timestamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   EXPECT_EQ(1, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_TRUE(frame_out->CodecSpecific()->codecSpecific.VP9.temporal_up_switch);
@@ -1123,7 +1123,7 @@
   EXPECT_EQ(kCompleteSession, jitter_buffer_->InsertPacket(*packet_, &re));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(3000U, frame_out->TimeStamp());
+  EXPECT_EQ(3000U, frame_out->Timestamp());
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   EXPECT_EQ(0, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_FALSE(
@@ -1131,7 +1131,7 @@
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(6000U, frame_out->TimeStamp());
+  EXPECT_EQ(6000U, frame_out->Timestamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   EXPECT_EQ(1, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_TRUE(frame_out->CodecSpecific()->codecSpecific.VP9.temporal_up_switch);
@@ -1481,8 +1481,8 @@
   uint32_t next_timestamp;
   VCMEncodedFrame* frame = jitter_buffer_->NextCompleteFrame(0);
   EXPECT_NE(frame, nullptr);
-  EXPECT_EQ(packet_->timestamp, frame->TimeStamp());
-  frame = jitter_buffer_->ExtractAndSetDecode(frame->TimeStamp());
+  EXPECT_EQ(packet_->timestamp, frame->Timestamp());
+  frame = jitter_buffer_->ExtractAndSetDecode(frame->Timestamp());
   EXPECT_TRUE(frame != NULL);
   jitter_buffer_->ReleaseFrame(frame);
 
@@ -1728,7 +1728,7 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(3000u, frame_out->TimeStamp());
+  EXPECT_EQ(3000u, frame_out->Timestamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
@@ -1763,7 +1763,7 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(timestamp_, frame_out->TimeStamp());
+  EXPECT_EQ(timestamp_, frame_out->Timestamp());
 
   CheckOutFrame(frame_out, size_, false);
 
@@ -1873,13 +1873,13 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(0xffffff00, frame_out->TimeStamp());
+  EXPECT_EQ(0xffffff00, frame_out->Timestamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 
   VCMEncodedFrame* frame_out2 = DecodeCompleteFrame();
-  EXPECT_EQ(2700u, frame_out2->TimeStamp());
+  EXPECT_EQ(2700u, frame_out2->Timestamp());
   CheckOutFrame(frame_out2, size_, false);
   EXPECT_EQ(kVideoFrameDelta, frame_out2->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out2);
@@ -1916,13 +1916,13 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(0xffffff00, frame_out->TimeStamp());
+  EXPECT_EQ(0xffffff00, frame_out->Timestamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 
   VCMEncodedFrame* frame_out2 = DecodeCompleteFrame();
-  EXPECT_EQ(2700u, frame_out2->TimeStamp());
+  EXPECT_EQ(2700u, frame_out2->Timestamp());
   CheckOutFrame(frame_out2, size_, false);
   EXPECT_EQ(kVideoFrameDelta, frame_out2->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out2);
@@ -2017,7 +2017,7 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(first_key_frame_timestamp, frame_out->TimeStamp());
+  EXPECT_EQ(first_key_frame_timestamp, frame_out->Timestamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
@@ -2043,7 +2043,7 @@
     VCMEncodedFrame* testFrame = DecodeIncompleteFrame();
     // Timestamp should never be the last TS inserted.
     if (testFrame != NULL) {
-      EXPECT_TRUE(testFrame->TimeStamp() < timestamp_);
+      EXPECT_TRUE(testFrame->Timestamp() < timestamp_);
       jitter_buffer_->ReleaseFrame(testFrame);
     }
   }