modules/audio_device/android/audio_manager_unittest.cc - src/webrtc - Git at Google

 /*
  *  Copyright (c) 2015 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 <SLES/OpenSLES_Android.h>

 #include "webrtc/modules/audio_device/android/audio_manager.h"
 #include "webrtc/modules/audio_device/android/build_info.h"
 #include "webrtc/modules/audio_device/android/ensure_initialized.h"
 #include "webrtc/rtc_base/arraysize.h"
 #include "webrtc/rtc_base/format_macros.h"
 #include "webrtc/test/gtest.h"

 #define PRINT(...) fprintf(stderr, __VA_ARGS__);

 namespace webrtc {

 static const char kTag[] = "  ";

 class AudioManagerTest : public ::testing::Test {
  protected:
   AudioManagerTest() {
     // One-time initialization of JVM and application context. Ensures that we
     // can do calls between C++ and Java.
     webrtc::audiodevicemodule::EnsureInitialized();
     audio_manager_.reset(new AudioManager());
     SetActiveAudioLayer();
     playout_parameters_ = audio_manager()->GetPlayoutAudioParameters();
     record_parameters_ = audio_manager()->GetRecordAudioParameters();
   }

   AudioManager* audio_manager() const { return audio_manager_.get(); }

   // A valid audio layer must always be set before calling Init(), hence we
   // might as well make it a part of the test fixture.
   void SetActiveAudioLayer() {
     EXPECT_EQ(0, audio_manager()->GetDelayEstimateInMilliseconds());
     audio_manager()->SetActiveAudioLayer(AudioDeviceModule::kAndroidJavaAudio);
     EXPECT_NE(0, audio_manager()->GetDelayEstimateInMilliseconds());
   }

   // One way to ensure that the engine object is valid is to create an
   // SL Engine interface since it exposes creation methods of all the OpenSL ES
   // object types and it is only supported on the engine object. This method
   // also verifies that the engine interface supports at least one interface.
   // Note that, the test below is not a full test of the SLEngineItf object
   // but only a simple sanity test to check that the global engine object is OK.
   void ValidateSLEngine(SLObjectItf engine_object) {
     EXPECT_NE(nullptr, engine_object);
     // Get the SL Engine interface which is exposed by the engine object.
     SLEngineItf engine;
     SLresult result =
         (*engine_object)->GetInterface(engine_object, SL_IID_ENGINE, &engine);
     EXPECT_EQ(result, SL_RESULT_SUCCESS) << "GetInterface() on engine failed";
     // Ensure that the SL Engine interface exposes at least one interface.
     SLuint32 object_id = SL_OBJECTID_ENGINE;
     SLuint32 num_supported_interfaces = 0;
     result = (*engine)->QueryNumSupportedInterfaces(engine, object_id,
                                                     &num_supported_interfaces);
     EXPECT_EQ(result, SL_RESULT_SUCCESS)
         << "QueryNumSupportedInterfaces() failed";
     EXPECT_GE(num_supported_interfaces, 1u);
   }

   std::unique_ptr<AudioManager> audio_manager_;
   AudioParameters playout_parameters_;
   AudioParameters record_parameters_;
 };

 TEST_F(AudioManagerTest, ConstructDestruct) {
 }

 // It should not be possible to create an OpenSL engine object if Java based
 // audio is requested in both directions.
 TEST_F(AudioManagerTest, GetOpenSLEngineShouldFailForJavaAudioLayer) {
   audio_manager()->SetActiveAudioLayer(AudioDeviceModule::kAndroidJavaAudio);
   SLObjectItf engine_object = audio_manager()->GetOpenSLEngine();
   EXPECT_EQ(nullptr, engine_object);
 }

 // It should be possible to create an OpenSL engine object if OpenSL ES based
 // audio is requested in any direction.
 TEST_F(AudioManagerTest, GetOpenSLEngineShouldSucceedForOpenSLESAudioLayer) {
   // List of supported audio layers that uses OpenSL ES audio.
   const AudioDeviceModule::AudioLayer opensles_audio[] = {
       AudioDeviceModule::kAndroidOpenSLESAudio,
       AudioDeviceModule::kAndroidJavaInputAndOpenSLESOutputAudio};
   // Verify that the global (singleton) OpenSL Engine can be acquired for all
   // audio layes that uses OpenSL ES. Note that the engine is only created once.
   for (const AudioDeviceModule::AudioLayer audio_layer : opensles_audio) {
     audio_manager()->SetActiveAudioLayer(audio_layer);
     SLObjectItf engine_object = audio_manager()->GetOpenSLEngine();
     EXPECT_NE(nullptr, engine_object);
     // Perform a simple sanity check of the created engine object.
     ValidateSLEngine(engine_object);
   }
 }

 TEST_F(AudioManagerTest, InitClose) {
   EXPECT_TRUE(audio_manager()->Init());
   EXPECT_TRUE(audio_manager()->Close());
 }

 TEST_F(AudioManagerTest, IsAcousticEchoCancelerSupported) {
   PRINT("%sAcoustic Echo Canceler support: %s\n", kTag,
         audio_manager()->IsAcousticEchoCancelerSupported() ? "Yes" : "No");
 }

 TEST_F(AudioManagerTest, IsAutomaticGainControlSupported) {
   EXPECT_FALSE(audio_manager()->IsAutomaticGainControlSupported());
 }

 TEST_F(AudioManagerTest, IsNoiseSuppressorSupported) {
   PRINT("%sNoise Suppressor support: %s\n", kTag,
         audio_manager()->IsNoiseSuppressorSupported() ? "Yes" : "No");
 }

 TEST_F(AudioManagerTest, IsLowLatencyPlayoutSupported) {
   PRINT("%sLow latency output support: %s\n", kTag,
         audio_manager()->IsLowLatencyPlayoutSupported() ? "Yes" : "No");
 }

 TEST_F(AudioManagerTest, IsLowLatencyRecordSupported) {
   PRINT("%sLow latency input support: %s\n", kTag,
         audio_manager()->IsLowLatencyRecordSupported() ? "Yes" : "No");
 }

 TEST_F(AudioManagerTest, IsProAudioSupported) {
   PRINT("%sPro audio support: %s\n", kTag,
         audio_manager()->IsProAudioSupported() ? "Yes" : "No");
 }

 // Verify that playout side is configured for mono by default.
 TEST_F(AudioManagerTest, IsStereoPlayoutSupported) {
   EXPECT_FALSE(audio_manager()->IsStereoPlayoutSupported());
 }

 // Verify that recording side is configured for mono by default.
 TEST_F(AudioManagerTest, IsStereoRecordSupported) {
   EXPECT_FALSE(audio_manager()->IsStereoRecordSupported());
 }

 TEST_F(AudioManagerTest, ShowAudioParameterInfo) {
   const bool low_latency_out = audio_manager()->IsLowLatencyPlayoutSupported();
   const bool low_latency_in = audio_manager()->IsLowLatencyRecordSupported();
   PRINT("PLAYOUT:\n");
   PRINT("%saudio layer: %s\n", kTag,
         low_latency_out ? "Low latency OpenSL" : "Java/JNI based AudioTrack");
   PRINT("%ssample rate: %d Hz\n", kTag, playout_parameters_.sample_rate());
   PRINT("%schannels: %" PRIuS "\n", kTag, playout_parameters_.channels());
   PRINT("%sframes per buffer: %" PRIuS " <=> %.2f ms\n", kTag,
         playout_parameters_.frames_per_buffer(),
         playout_parameters_.GetBufferSizeInMilliseconds());
   PRINT("RECORD: \n");
   PRINT("%saudio layer: %s\n", kTag,
         low_latency_in ? "Low latency OpenSL" : "Java/JNI based AudioRecord");
   PRINT("%ssample rate: %d Hz\n", kTag, record_parameters_.sample_rate());
   PRINT("%schannels: %" PRIuS "\n", kTag, record_parameters_.channels());
   PRINT("%sframes per buffer: %" PRIuS " <=> %.2f ms\n", kTag,
         record_parameters_.frames_per_buffer(),
         record_parameters_.GetBufferSizeInMilliseconds());
 }

 // The audio device module only suppors the same sample rate in both directions.
 // In addition, in full-duplex low-latency mode (OpenSL ES), both input and
 // output must use the same native buffer size to allow for usage of the fast
 // audio track in Android.
 TEST_F(AudioManagerTest, VerifyAudioParameters) {
   const bool low_latency_out = audio_manager()->IsLowLatencyPlayoutSupported();
   const bool low_latency_in = audio_manager()->IsLowLatencyRecordSupported();
   EXPECT_EQ(playout_parameters_.sample_rate(),
             record_parameters_.sample_rate());
   if (low_latency_out && low_latency_in) {
     EXPECT_EQ(playout_parameters_.frames_per_buffer(),
               record_parameters_.frames_per_buffer());
   }
 }

 // Add device-specific information to the test for logging purposes.
 TEST_F(AudioManagerTest, ShowDeviceInfo) {
   BuildInfo build_info;
   PRINT("%smodel: %s\n", kTag, build_info.GetDeviceModel().c_str());
   PRINT("%sbrand: %s\n", kTag, build_info.GetBrand().c_str());
   PRINT("%smanufacturer: %s\n",
         kTag, build_info.GetDeviceManufacturer().c_str());
 }

 // Add Android build information to the test for logging purposes.
 TEST_F(AudioManagerTest, ShowBuildInfo) {
   BuildInfo build_info;
   PRINT("%sbuild release: %s\n", kTag, build_info.GetBuildRelease().c_str());
   PRINT("%sbuild id: %s\n", kTag, build_info.GetAndroidBuildId().c_str());
   PRINT("%sbuild type: %s\n", kTag, build_info.GetBuildType().c_str());
   PRINT("%sSDK version: %d\n", kTag, build_info.GetSdkVersion());
 }

 // Basic test of the AudioParameters class using default construction where
 // all members are set to zero.
 TEST_F(AudioManagerTest, AudioParametersWithDefaultConstruction) {
   AudioParameters params;
   EXPECT_FALSE(params.is_valid());
   EXPECT_EQ(0, params.sample_rate());
   EXPECT_EQ(0U, params.channels());
   EXPECT_EQ(0U, params.frames_per_buffer());
   EXPECT_EQ(0U, params.frames_per_10ms_buffer());
   EXPECT_EQ(0U, params.GetBytesPerFrame());
   EXPECT_EQ(0U, params.GetBytesPerBuffer());
   EXPECT_EQ(0U, params.GetBytesPer10msBuffer());
   EXPECT_EQ(0.0f, params.GetBufferSizeInMilliseconds());
 }

 // Basic test of the AudioParameters class using non default construction.
 TEST_F(AudioManagerTest, AudioParametersWithNonDefaultConstruction) {
   const int kSampleRate = 48000;
   const size_t kChannels = 1;
   const size_t kFramesPerBuffer = 480;
   const size_t kFramesPer10msBuffer = 480;
   const size_t kBytesPerFrame = 2;
   const float kBufferSizeInMs = 10.0f;
   AudioParameters params(kSampleRate, kChannels, kFramesPerBuffer);
   EXPECT_TRUE(params.is_valid());
   EXPECT_EQ(kSampleRate, params.sample_rate());
   EXPECT_EQ(kChannels, params.channels());
   EXPECT_EQ(kFramesPerBuffer, params.frames_per_buffer());
   EXPECT_EQ(static_cast<size_t>(kSampleRate / 100),
             params.frames_per_10ms_buffer());
   EXPECT_EQ(kBytesPerFrame, params.GetBytesPerFrame());
   EXPECT_EQ(kBytesPerFrame * kFramesPerBuffer, params.GetBytesPerBuffer());
   EXPECT_EQ(kBytesPerFrame * kFramesPer10msBuffer,
             params.GetBytesPer10msBuffer());
   EXPECT_EQ(kBufferSizeInMs, params.GetBufferSizeInMilliseconds());
 }

 }  // namespace webrtc
	/*
	* Copyright (c) 2015 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 <SLES/OpenSLES_Android.h>

	#include "webrtc/modules/audio_device/android/audio_manager.h"
	#include "webrtc/modules/audio_device/android/build_info.h"
	#include "webrtc/modules/audio_device/android/ensure_initialized.h"
	#include "webrtc/rtc_base/arraysize.h"
	#include "webrtc/rtc_base/format_macros.h"
	#include "webrtc/test/gtest.h"

	#define PRINT(...) fprintf(stderr, __VA_ARGS__);

	namespace webrtc {

	static const char kTag[] = " ";

	class AudioManagerTest : public ::testing::Test {
	protected:
	AudioManagerTest() {
	// One-time initialization of JVM and application context. Ensures that we
	// can do calls between C++ and Java.
	webrtc::audiodevicemodule::EnsureInitialized();
	audio_manager_.reset(new AudioManager());
	SetActiveAudioLayer();
	playout_parameters_ = audio_manager()->GetPlayoutAudioParameters();
	record_parameters_ = audio_manager()->GetRecordAudioParameters();
	}

	AudioManager* audio_manager() const { return audio_manager_.get(); }

	// A valid audio layer must always be set before calling Init(), hence we
	// might as well make it a part of the test fixture.
	void SetActiveAudioLayer() {
	EXPECT_EQ(0, audio_manager()->GetDelayEstimateInMilliseconds());
	audio_manager()->SetActiveAudioLayer(AudioDeviceModule::kAndroidJavaAudio);
	EXPECT_NE(0, audio_manager()->GetDelayEstimateInMilliseconds());
	}

	// One way to ensure that the engine object is valid is to create an
	// SL Engine interface since it exposes creation methods of all the OpenSL ES
	// object types and it is only supported on the engine object. This method
	// also verifies that the engine interface supports at least one interface.
	// Note that, the test below is not a full test of the SLEngineItf object
	// but only a simple sanity test to check that the global engine object is OK.
	void ValidateSLEngine(SLObjectItf engine_object) {
	EXPECT_NE(nullptr, engine_object);
	// Get the SL Engine interface which is exposed by the engine object.
	SLEngineItf engine;
	SLresult result =
	(*engine_object)->GetInterface(engine_object, SL_IID_ENGINE, &engine);
	EXPECT_EQ(result, SL_RESULT_SUCCESS) << "GetInterface() on engine failed";
	// Ensure that the SL Engine interface exposes at least one interface.
	SLuint32 object_id = SL_OBJECTID_ENGINE;
	SLuint32 num_supported_interfaces = 0;
	result = (*engine)->QueryNumSupportedInterfaces(engine, object_id,
	&num_supported_interfaces);
	EXPECT_EQ(result, SL_RESULT_SUCCESS)
	<< "QueryNumSupportedInterfaces() failed";
	EXPECT_GE(num_supported_interfaces, 1u);
	}

	std::unique_ptr<AudioManager> audio_manager_;
	AudioParameters playout_parameters_;
	AudioParameters record_parameters_;
	};

	TEST_F(AudioManagerTest, ConstructDestruct) {
	}

	// It should not be possible to create an OpenSL engine object if Java based
	// audio is requested in both directions.
	TEST_F(AudioManagerTest, GetOpenSLEngineShouldFailForJavaAudioLayer) {
	audio_manager()->SetActiveAudioLayer(AudioDeviceModule::kAndroidJavaAudio);
	SLObjectItf engine_object = audio_manager()->GetOpenSLEngine();
	EXPECT_EQ(nullptr, engine_object);
	}

	// It should be possible to create an OpenSL engine object if OpenSL ES based
	// audio is requested in any direction.
	TEST_F(AudioManagerTest, GetOpenSLEngineShouldSucceedForOpenSLESAudioLayer) {
	// List of supported audio layers that uses OpenSL ES audio.
	const AudioDeviceModule::AudioLayer opensles_audio[] = {
	AudioDeviceModule::kAndroidOpenSLESAudio,
	AudioDeviceModule::kAndroidJavaInputAndOpenSLESOutputAudio};
	// Verify that the global (singleton) OpenSL Engine can be acquired for all
	// audio layes that uses OpenSL ES. Note that the engine is only created once.
	for (const AudioDeviceModule::AudioLayer audio_layer : opensles_audio) {
	audio_manager()->SetActiveAudioLayer(audio_layer);
	SLObjectItf engine_object = audio_manager()->GetOpenSLEngine();
	EXPECT_NE(nullptr, engine_object);
	// Perform a simple sanity check of the created engine object.
	ValidateSLEngine(engine_object);
	}
	}

	TEST_F(AudioManagerTest, InitClose) {
	EXPECT_TRUE(audio_manager()->Init());
	EXPECT_TRUE(audio_manager()->Close());
	}

	TEST_F(AudioManagerTest, IsAcousticEchoCancelerSupported) {
	PRINT("%sAcoustic Echo Canceler support: %s\n", kTag,
	audio_manager()->IsAcousticEchoCancelerSupported() ? "Yes" : "No");
	}

	TEST_F(AudioManagerTest, IsAutomaticGainControlSupported) {
	EXPECT_FALSE(audio_manager()->IsAutomaticGainControlSupported());
	}

	TEST_F(AudioManagerTest, IsNoiseSuppressorSupported) {
	PRINT("%sNoise Suppressor support: %s\n", kTag,
	audio_manager()->IsNoiseSuppressorSupported() ? "Yes" : "No");
	}

	TEST_F(AudioManagerTest, IsLowLatencyPlayoutSupported) {
	PRINT("%sLow latency output support: %s\n", kTag,
	audio_manager()->IsLowLatencyPlayoutSupported() ? "Yes" : "No");
	}

	TEST_F(AudioManagerTest, IsLowLatencyRecordSupported) {
	PRINT("%sLow latency input support: %s\n", kTag,
	audio_manager()->IsLowLatencyRecordSupported() ? "Yes" : "No");
	}

	TEST_F(AudioManagerTest, IsProAudioSupported) {
	PRINT("%sPro audio support: %s\n", kTag,
	audio_manager()->IsProAudioSupported() ? "Yes" : "No");
	}

	// Verify that playout side is configured for mono by default.
	TEST_F(AudioManagerTest, IsStereoPlayoutSupported) {
	EXPECT_FALSE(audio_manager()->IsStereoPlayoutSupported());
	}

	// Verify that recording side is configured for mono by default.
	TEST_F(AudioManagerTest, IsStereoRecordSupported) {
	EXPECT_FALSE(audio_manager()->IsStereoRecordSupported());
	}

	TEST_F(AudioManagerTest, ShowAudioParameterInfo) {
	const bool low_latency_out = audio_manager()->IsLowLatencyPlayoutSupported();
	const bool low_latency_in = audio_manager()->IsLowLatencyRecordSupported();
	PRINT("PLAYOUT:\n");
	PRINT("%saudio layer: %s\n", kTag,
	low_latency_out ? "Low latency OpenSL" : "Java/JNI based AudioTrack");
	PRINT("%ssample rate: %d Hz\n", kTag, playout_parameters_.sample_rate());
	PRINT("%schannels: %" PRIuS "\n", kTag, playout_parameters_.channels());
	PRINT("%sframes per buffer: %" PRIuS " <=> %.2f ms\n", kTag,
	playout_parameters_.frames_per_buffer(),
	playout_parameters_.GetBufferSizeInMilliseconds());
	PRINT("RECORD: \n");
	PRINT("%saudio layer: %s\n", kTag,
	low_latency_in ? "Low latency OpenSL" : "Java/JNI based AudioRecord");
	PRINT("%ssample rate: %d Hz\n", kTag, record_parameters_.sample_rate());
	PRINT("%schannels: %" PRIuS "\n", kTag, record_parameters_.channels());
	PRINT("%sframes per buffer: %" PRIuS " <=> %.2f ms\n", kTag,
	record_parameters_.frames_per_buffer(),
	record_parameters_.GetBufferSizeInMilliseconds());
	}

	// The audio device module only suppors the same sample rate in both directions.
	// In addition, in full-duplex low-latency mode (OpenSL ES), both input and
	// output must use the same native buffer size to allow for usage of the fast
	// audio track in Android.
	TEST_F(AudioManagerTest, VerifyAudioParameters) {
	const bool low_latency_out = audio_manager()->IsLowLatencyPlayoutSupported();
	const bool low_latency_in = audio_manager()->IsLowLatencyRecordSupported();
	EXPECT_EQ(playout_parameters_.sample_rate(),
	record_parameters_.sample_rate());
	if (low_latency_out && low_latency_in) {
	EXPECT_EQ(playout_parameters_.frames_per_buffer(),
	record_parameters_.frames_per_buffer());
	}
	}

	// Add device-specific information to the test for logging purposes.
	TEST_F(AudioManagerTest, ShowDeviceInfo) {
	BuildInfo build_info;
	PRINT("%smodel: %s\n", kTag, build_info.GetDeviceModel().c_str());
	PRINT("%sbrand: %s\n", kTag, build_info.GetBrand().c_str());
	PRINT("%smanufacturer: %s\n",
	kTag, build_info.GetDeviceManufacturer().c_str());
	}

	// Add Android build information to the test for logging purposes.
	TEST_F(AudioManagerTest, ShowBuildInfo) {
	BuildInfo build_info;
	PRINT("%sbuild release: %s\n", kTag, build_info.GetBuildRelease().c_str());
	PRINT("%sbuild id: %s\n", kTag, build_info.GetAndroidBuildId().c_str());
	PRINT("%sbuild type: %s\n", kTag, build_info.GetBuildType().c_str());
	PRINT("%sSDK version: %d\n", kTag, build_info.GetSdkVersion());
	}

	// Basic test of the AudioParameters class using default construction where
	// all members are set to zero.
	TEST_F(AudioManagerTest, AudioParametersWithDefaultConstruction) {
	AudioParameters params;
	EXPECT_FALSE(params.is_valid());
	EXPECT_EQ(0, params.sample_rate());
	EXPECT_EQ(0U, params.channels());
	EXPECT_EQ(0U, params.frames_per_buffer());
	EXPECT_EQ(0U, params.frames_per_10ms_buffer());
	EXPECT_EQ(0U, params.GetBytesPerFrame());
	EXPECT_EQ(0U, params.GetBytesPerBuffer());
	EXPECT_EQ(0U, params.GetBytesPer10msBuffer());
	EXPECT_EQ(0.0f, params.GetBufferSizeInMilliseconds());
	}

	// Basic test of the AudioParameters class using non default construction.
	TEST_F(AudioManagerTest, AudioParametersWithNonDefaultConstruction) {
	const int kSampleRate = 48000;
	const size_t kChannels = 1;
	const size_t kFramesPerBuffer = 480;
	const size_t kFramesPer10msBuffer = 480;
	const size_t kBytesPerFrame = 2;
	const float kBufferSizeInMs = 10.0f;
	AudioParameters params(kSampleRate, kChannels, kFramesPerBuffer);
	EXPECT_TRUE(params.is_valid());
	EXPECT_EQ(kSampleRate, params.sample_rate());
	EXPECT_EQ(kChannels, params.channels());
	EXPECT_EQ(kFramesPerBuffer, params.frames_per_buffer());
	EXPECT_EQ(static_cast<size_t>(kSampleRate / 100),
	params.frames_per_10ms_buffer());
	EXPECT_EQ(kBytesPerFrame, params.GetBytesPerFrame());
	EXPECT_EQ(kBytesPerFrame * kFramesPerBuffer, params.GetBytesPerBuffer());
	EXPECT_EQ(kBytesPerFrame * kFramesPer10msBuffer,
	params.GetBytesPer10msBuffer());
	EXPECT_EQ(kBufferSizeInMs, params.GetBufferSizeInMilliseconds());
	}

	} // namespace webrtc