Support multiple rtx codecs.

talk/media/webrtc/webrtcvideoengine2_unittest.cc

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 1091 matching lines @@
 
   ASSERT_EQ(rtx_ssrcs.size(), send_stream->GetConfig().rtp.rtx.ssrcs.size());
   for (size_t i = 0; i < rtx_ssrcs.size(); ++i)
     EXPECT_EQ(rtx_ssrcs[i], send_stream->GetConfig().rtp.rtx.ssrcs[i]);
 
   // Receiver side.
   FakeVideoReceiveStream* recv_stream = AddRecvStream(
       cricket::CreateSimWithRtxStreamParams("cname", ssrcs, rtx_ssrcs));
   ASSERT_GT(recv_stream->GetConfig().rtp.rtx.size(), 0u)
       << "No SSRCs for RTX configured by AddRecvStream.";
-  ASSERT_EQ(1u, recv_stream->GetConfig().rtp.rtx.size())
-      << "This test only works with one receive codec. Please update the test.";
   EXPECT_EQ(rtx_ssrcs[0],
             recv_stream->GetConfig().rtp.rtx.begin()->second.ssrc);
   // TODO(pbos): Make sure we set the RTX for correct payloads etc.
 }
 
 TEST_F(WebRtcVideoChannel2Test, RecvStreamWithRtx) {
   // Setup one channel with an associated RTX stream.
   cricket::StreamParams params =
       cricket::StreamParams::CreateLegacy(kSsrcs1[0]);
   params.AddFidSsrc(kSsrcs1[0], kRtxSsrcs1[0]);
   FakeVideoReceiveStream* recv_stream = AddRecvStream(params);
-  ASSERT_EQ(1u, recv_stream->GetConfig().rtp.rtx.size());
   EXPECT_EQ(kRtxSsrcs1[0],
             recv_stream->GetConfig().rtp.rtx.begin()->second.ssrc);
 }
 
 TEST_F(WebRtcVideoChannel2Test, RecvStreamNoRtx) {
   // Setup one channel without an associated RTX stream.
   cricket::StreamParams params =
       cricket::StreamParams::CreateLegacy(kSsrcs1[0]);
   FakeVideoReceiveStream* recv_stream = AddRecvStream(params);
   ASSERT_TRUE(recv_stream->GetConfig().rtp.rtx.empty());
@@ skipping 1593 matching lines @@
       << "No default receive stream created.";
   FakeVideoReceiveStream* recv_stream = fake_call_->GetVideoReceiveStreams()[0];
   EXPECT_EQ(0u, recv_stream->GetConfig().rtp.rtx.size())
       << "Default receive stream should not have configured RTX";
 
   EXPECT_TRUE(channel_->AddRecvStream(
       cricket::CreateSimWithRtxStreamParams("cname", ssrcs, rtx_ssrcs)));
   ASSERT_EQ(1u, fake_call_->GetVideoReceiveStreams().size())
       << "AddRecvStream should've reconfigured, not added a new receiver.";
   recv_stream = fake_call_->GetVideoReceiveStreams()[0];
-  ASSERT_EQ(1u, recv_stream->GetConfig().rtp.rtx.size());
+  ASSERT_GE(2u, recv_stream->GetConfig().rtp.rtx.size());
   EXPECT_EQ(rtx_ssrcs[0],
             recv_stream->GetConfig().rtp.rtx.begin()->second.ssrc);
 }
 
 TEST_F(WebRtcVideoChannel2Test, RejectsAddingStreamsWithMissingSsrcsForRtx) {
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
 
   const std::vector<uint32_t> ssrcs = MAKE_VECTOR(kSsrcs1);
   const std::vector<uint32_t> rtx_ssrcs = MAKE_VECTOR(kRtxSsrcs1);
 
@@ skipping 347 matching lines @@
 // Test that we normalize send codec format size in simulcast.
 TEST_F(WebRtcVideoChannel2SimulcastTest, SetSendCodecsWithOddSizeInSimulcast) {
   cricket::VideoCodec codec(kVp8Codec270p);
   codec.width += 1;
   codec.height += 1;
   VerifySimulcastSettings(codec, 2, 2);
 }
 }  // namespace cricket
 
 #endif  // HAVE_WEBRTC_VIDEO