Turned AudioDecoderFactory into a RefCounted thing to use with scoped_refptr.

webrtc/modules/audio_coding/codecs/audio_decoder_factory_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.
  */
 
 #include <memory>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
 
 namespace webrtc {
 
 TEST(AudioDecoderFactoryTest, CreateUnknownDecoder) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("rey", 8000, 1)));
 }
 
 TEST(AudioDecoderFactoryTest, CreatePcmu) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   // PCMu supports 8 kHz, and any number of channels.
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("pcmu", 8000, 0)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("pcmu", 8000, 1)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("pcmu", 8000, 2)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("pcmu", 8000, 3)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("pcmu", 16000, 1)));
 }
 
 TEST(AudioDecoderFactoryTest, CreatePcma) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   // PCMa supports 8 kHz, and any number of channels.
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("pcma", 8000, 0)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("pcma", 8000, 1)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("pcma", 8000, 2)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("pcma", 8000, 3)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("pcma", 16000, 1)));
 }
 
 TEST(AudioDecoderFactoryTest, CreateIlbc) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   // iLBC supports 8 kHz, 1 channel.
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("ilbc", 8000, 0)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("ilbc", 8000, 1)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("ilbc", 8000, 2)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("ilbc", 16000, 1)));
 
   // iLBC actually uses a 16 kHz sample rate instead of the nominal 8 kHz.
   // TODO(kwiberg): Uncomment this once AudioDecoder has a SampleRateHz method.
   // std::unique_ptr<AudioDecoder> dec =
   //    adf->MakeAudioDecoder(SdpAudioFormat("ilbc", 8000, 1));
   // EXPECT_EQ(16000, dec->SampleRateHz());
 }
 
 TEST(AudioDecoderFactoryTest, CreateIsac) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   // iSAC supports 16 kHz, 1 channel. The float implementation additionally
   // supports 32 kHz, 1 channel.
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("isac", 16000, 0)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("isac", 16000, 1)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("isac", 16000, 2)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("isac", 8000, 1)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("isac", 48000, 1)));
 #ifdef WEBRTC_ARCH_ARM
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("isac", 32000, 1)));
 #else
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("isac", 32000, 1)));
 #endif
 }
 
 TEST(AudioDecoderFactoryTest, CreateL16) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   // L16 supports any clock rate, any number of channels.
   const int clockrates[] = {8000, 16000, 32000, 48000};
   const int num_channels[] = {1, 2, 3, 4711};
   for (int clockrate : clockrates) {
     EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("l16", clockrate, 0)));
     for (int channels : num_channels) {
       EXPECT_TRUE(
           adf->MakeAudioDecoder(SdpAudioFormat("l16", clockrate, channels)));
     }
   }
 }
 
 TEST(AudioDecoderFactoryTest, CreateG722) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   // g722 supports 8 kHz, 1-2 channels.
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("g722", 8000, 0)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("g722", 8000, 1)));
   EXPECT_TRUE(adf->MakeAudioDecoder(SdpAudioFormat("g722", 8000, 2)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("g722", 8000, 3)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("g722", 16000, 1)));
   EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("g722", 32000, 1)));
 }
 
 TEST(AudioDecoderFactoryTest, CreateOpus) {
-  std::unique_ptr<AudioDecoderFactory> adf = CreateBuiltinAudioDecoderFactory();
+  rtc::scoped_refptr<AudioDecoderFactory> adf =
+      CreateBuiltinAudioDecoderFactory();
   ASSERT_TRUE(adf);
   // Opus supports 48 kHz, 2 channels, and wants a "stereo" parameter whose
   // value is either "0" or "1".
   for (int hz : {8000, 16000, 32000, 48000}) {
     for (int channels : {0, 1, 2, 3}) {
       for (std::string stereo : {"XX", "0", "1", "2"}) {
         std::map<std::string, std::string> params;
         if (stereo != "XX") {
           params["stereo"] = stereo;
         }
         bool good =
             (hz == 48000 && channels == 2 && (stereo == "0" || stereo == "1"));
         EXPECT_EQ(good, static_cast<bool>(adf->MakeAudioDecoder(SdpAudioFormat(
                             "opus", hz, channels, std::move(params)))));
       }
     }
   }
 }
 
 }  // namespace webrtc