Allow padding packet in video streams.

webrtc/video/rtp_stream_receiver_unittest.cc

 /*
  *  Copyright 2017 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 278 matching lines @@
   data.insert(data.end(), {1, 2, 3});
   mock_on_complete_frame_callback_.AppendExpectedBitstream(
       kH264StartCode, sizeof(kH264StartCode));
   mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(),
                                                            data.size());
   EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_));
   rtp_stream_receiver_->OnReceivedPayloadData(data.data(), data.size(),
                                               &idr_packet);
 }
 
+TEST_F(RtpStreamReceiverTest, PaddingInMediaStream) {
+  WebRtcRTPHeader header = GetDefaultPacket();
+  std::vector<uint8_t> data;
+  data.insert(data.end(), {1, 2, 3});
+  header.header.payloadType = 99;
+  header.type.Video.is_first_packet_in_frame = true;
+  header.header.sequenceNumber = 2;
+  header.header.markerBit = true;
+  header.frameType = kVideoFrameKey;
+  header.type.Video.codec = kRtpVideoGeneric;
+  mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(),
+                                                           data.size());
+
+  EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_));
+  rtp_stream_receiver_->OnReceivedPayloadData(data.data(), data.size(),
+                                              &header);
+
+  header.header.sequenceNumber = 3;
+  rtp_stream_receiver_->OnReceivedPayloadData(nullptr, 0, &header);
+
+  header.frameType = kVideoFrameDelta;
+  header.header.sequenceNumber = 4;
+  EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_));
+  rtp_stream_receiver_->OnReceivedPayloadData(data.data(), data.size(),
+                                              &header);
+
+  header.header.sequenceNumber = 6;
+  rtp_stream_receiver_->OnReceivedPayloadData(data.data(), data.size(),
+                                              &header);
+
+  EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_));
+  header.header.sequenceNumber = 5;
+  rtp_stream_receiver_->OnReceivedPayloadData(nullptr, 0, &header);
+}
+
 }  // namespace webrtc