Move AudioDecoder and related stuff to the api/ directory

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 "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
-#include "webrtc/test/gtest.h"
-
-namespace webrtc {
-
-TEST(AudioDecoderFactoryTest, CreateUnknownDecoder) {
-  rtc::scoped_refptr<AudioDecoderFactory> adf =
-      CreateBuiltinAudioDecoderFactory();
-  ASSERT_TRUE(adf);
-  EXPECT_FALSE(adf->MakeAudioDecoder(SdpAudioFormat("rey", 8000, 1)));
-}
-
-TEST(AudioDecoderFactoryTest, CreatePcmu) {
-  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) {
-  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) {
-  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)));
-}
-
-TEST(AudioDecoderFactoryTest, CreateIsac) {
-  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) {
-  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) {
-  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)));
-
-  // g722 actually uses a 16 kHz sample rate instead of the nominal 8 kHz.
-  std::unique_ptr<AudioDecoder> dec =
-      adf->MakeAudioDecoder(SdpAudioFormat("g722", 8000, 1));
-  EXPECT_EQ(16000, dec->SampleRateHz());
-}
-
-TEST(AudioDecoderFactoryTest, CreateOpus) {
-  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;
-        }
-        const bool good = (hz == 48000 && channels == 2 &&
-                           (stereo == "XX" || stereo == "0" || stereo == "1"));
-        EXPECT_EQ(good, static_cast<bool>(adf->MakeAudioDecoder(SdpAudioFormat(
-                            "opus", hz, channels, std::move(params)))));
-      }
-    }
-  }
-}
-
-}  // namespace webrtc