Make sure WebRTC works without libvpx VP9 support.

webrtc/media/engine/webrtcvideoengine2_unittest.cc

 /*
  *  Copyright (c) 2004 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 132 matching lines @@
   // initialized when the constructor is called.
   std::unique_ptr<webrtc::Call> call_;
   WebRtcVoiceEngine voice_engine_;
   WebRtcVideoEngine2 engine_;
   VideoCodec default_codec_;
   VideoCodec default_red_codec_;
   VideoCodec default_ulpfec_codec_;
   std::map<int, int> default_apt_rtx_types_;
 };
 
+TEST_F(WebRtcVideoEngine2Test, AnnouncesVp9AccordingToBuildFlags) {
+  bool claims_vp9_support = false;
+  for (const cricket::VideoCodec& codec : engine_.codecs()) {
+    if (codec.name == "VP9") {
+      claims_vp9_support = true;
+      break;
+    }
+  }
+#if defined(RTC_DISABLE_VP9)
+  EXPECT_FALSE(claims_vp9_support);
+#else
+  EXPECT_TRUE(claims_vp9_support);
+#endif  // defined(RTC_DISABLE_VP9)
+}
+
 TEST_F(WebRtcVideoEngine2Test, DefaultRtxCodecHasAssociatedPayloadTypeSet) {
   std::vector<VideoCodec> engine_codecs = engine_.codecs();
   for (size_t i = 0; i < engine_codecs.size(); ++i) {
     if (engine_codecs[i].name != kRtxCodecName)
       continue;
     int associated_payload_type;
     EXPECT_TRUE(engine_codecs[i].GetParam(kCodecParamAssociatedPayloadType,
                                           &associated_payload_type));
     EXPECT_EQ(default_codec_.id, associated_payload_type);
     return;
@@ skipping 244 matching lines @@
 }
 
 TEST_F(WebRtcVideoEngine2Test, EnablesFullEncoderTimeForExternalEncoders) {
   TestExtendedEncoderOveruse(true);
 }
 
 TEST_F(WebRtcVideoEngine2Test, DisablesFullEncoderTimeForNonExternalEncoders) {
   TestExtendedEncoderOveruse(false);
 }
 
+#if !defined(RTC_DISABLE_VP9)
 TEST_F(WebRtcVideoEngine2Test, CanConstructDecoderForVp9EncoderFactory) {
   cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
   encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP9, "VP9");
   std::vector<cricket::VideoCodec> codecs;
   codecs.push_back(kVp9Codec);
 
   std::unique_ptr<VideoMediaChannel> channel(
       SetUpForExternalEncoderFactory(&encoder_factory, codecs));
 
   EXPECT_TRUE(
       channel->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc)));
 }
+#endif  // !defined(RTC_DISABLE_VP9)
 
 TEST_F(WebRtcVideoEngine2Test, PropagatesInputFrameTimestamp) {
   cricket::FakeWebRtcVideoEncoderFactory encoder_factory;
   encoder_factory.AddSupportedVideoCodecType(webrtc::kVideoCodecVP8, "VP8");
   std::vector<cricket::VideoCodec> codecs;
   codecs.push_back(kVp8Codec);
 
   FakeCall* fake_call = new FakeCall(webrtc::Call::Config());
   call_.reset(fake_call);
   std::unique_ptr<VideoMediaChannel> channel(
@@ skipping 3254 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