Make configuration logic harsher in FlexfecReceiveStream.

webrtc/call/flexfec_receive_stream_unittest.cc

 /*
  *  Copyright (c) 2016 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 36 matching lines @@
   config.protected_media_ssrcs = {};
   MockRecoveredPacketReceiver callback;
   internal::FlexfecReceiveStream receive_stream(config, &callback);
   const uint8_t packet[] = {0x00, 0x11, 0x22, 0x33};
   const size_t packet_length = sizeof(packet);
 
   EXPECT_FALSE(
       receive_stream.AddAndProcessReceivedPacket(packet, packet_length));
 }
 
-// TODO(brandtr): Remove when we support multistream protection.
-TEST(FlexfecReceiveStreamTest, CannotProtectMultipleMediaStreams) {
-  FlexfecReceiveStream::Config config;
-  config.flexfec_payload_type = 118;
-  config.flexfec_ssrc = 424223;
-  config.protected_media_ssrcs = {123, 456};
-  MockRecoveredPacketReceiver callback;
-  internal::FlexfecReceiveStream receive_stream(config, &callback);
-
-  ASSERT_EQ(1U, receive_stream.config().protected_media_ssrcs.size());
-  EXPECT_EQ(config.protected_media_ssrcs[0],
-            receive_stream.config().protected_media_ssrcs[0]);
-}
-
 // Create a FlexFEC packet that protects a single media packet and ensure
 // that the callback is called. Correctness of recovery is checked in the
 // FlexfecReceiver unit tests.
 TEST(FlexfecReceiveStreamTest, RecoversPacketWhenStarted) {
   constexpr uint8_t kFlexfecPlType = 118;
   constexpr uint8_t kFlexfecSeqNum[] = {0x00, 0x01};
   constexpr uint8_t kFlexfecTs[] = {0x00, 0x11, 0x22, 0x33};
   constexpr uint8_t kFlexfecSsrc[] = {0x00, 0x00, 0x00, 0x01};
   constexpr uint8_t kMediaPlType = 107;
   constexpr uint8_t kMediaSeqNum[] = {0x00, 0x02};
@@ skipping 42 matching lines @@
   // Call back after being started.
   receive_stream.Start();
   EXPECT_CALL(
       recovered_packet_receiver,
       OnRecoveredPacket(::testing::_, kRtpHeaderSize + kPayloadLength[1]));
   receive_stream.AddAndProcessReceivedPacket(kFlexfecPacket,
                                              kFlexfecPacketLength);
 }
 
 }  // namespace webrtc