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/*
* Copyright (c) 2012 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 "webrtc/base/arraysize.h"
#include "webrtc/modules/include/module_common_types.h"
#include "webrtc/voice_engine/include/voe_external_media.h"
#include "webrtc/voice_engine/test/auto_test/fakes/fake_media_process.h"
#include "webrtc/voice_engine/test/auto_test/fixtures/after_streaming_fixture.h"
class ExternalMediaTest : public AfterStreamingFixture {
protected:
void TestRegisterExternalMedia(int channel, webrtc::ProcessingTypes type) {
FakeMediaProcess fake_media_process;
EXPECT_EQ(0, voe_xmedia_->RegisterExternalMediaProcessing(
channel, type, fake_media_process));
Sleep(2000);
TEST_LOG("Back to normal.\n");
EXPECT_EQ(0, voe_xmedia_->DeRegisterExternalMediaProcessing(
channel, type));
Sleep(2000);
}
};
TEST_F(ExternalMediaTest,
ManualRegisterExternalMediaProcessingOnAllChannelsAffectsPlayout) {
TEST_LOG("Enabling external media processing: audio should be affected.\n");
TestRegisterExternalMedia(-1, webrtc::kPlaybackAllChannelsMixed);
}
TEST_F(ExternalMediaTest,
ManualRegisterExternalMediaOnSingleChannelAffectsPlayout) {
TEST_LOG("Enabling external media processing: audio should be affected.\n");
TestRegisterExternalMedia(channel_, webrtc::kRecordingPerChannel);
}
TEST_F(ExternalMediaTest,
ManualRegisterExternalMediaOnAllChannelsMixedAffectsRecording) {
SwitchToManualMicrophone();
TEST_LOG("Speak and verify your voice is distorted.\n");
TestRegisterExternalMedia(-1, webrtc::kRecordingAllChannelsMixed);
}
TEST_F(ExternalMediaTest,
ExternalMixingCannotBeChangedDuringPlayback) {
EXPECT_EQ(-1, voe_xmedia_->SetExternalMixing(channel_, true));
EXPECT_EQ(-1, voe_xmedia_->SetExternalMixing(channel_, false));
}
TEST_F(ExternalMediaTest,
ExternalMixingIsRequiredForGetAudioFrame) {
webrtc::AudioFrame frame;
EXPECT_EQ(-1, voe_xmedia_->GetAudioFrame(channel_, 0, &frame));
}
TEST_F(ExternalMediaTest,
ExternalMixingPreventsAndRestoresRegularPlayback) {
PausePlaying();
ASSERT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, true));
TEST_LOG("Verify that no sound is played out.\n");
ResumePlaying();
Sleep(1000);
PausePlaying();
ASSERT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, false));
ResumePlaying();
TEST_LOG("Verify that sound is played out.\n");
ResumePlaying();
Sleep(1000);
}
TEST_F(ExternalMediaTest,
ExternalMixingWorks) {
webrtc::AudioFrame frame;
PausePlaying();
EXPECT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, true));
ResumePlaying();
EXPECT_EQ(0, voe_xmedia_->GetAudioFrame(channel_, 0, &frame));
EXPECT_GT(frame.sample_rate_hz_, 0);
EXPECT_GT(frame.samples_per_channel_, 0U);
PausePlaying();
EXPECT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, false));
ResumePlaying();
}
TEST_F(ExternalMediaTest,
ExternalMixingResamplesToDesiredFrequency) {
const int kValidFrequencies[] = {8000, 16000, 22000, 32000, 48000};
webrtc::AudioFrame frame;
PausePlaying();
EXPECT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, true));
ResumePlaying();
for (size_t i = 0; i < arraysize(kValidFrequencies); i++) {
int f = kValidFrequencies[i];
EXPECT_EQ(0, voe_xmedia_->GetAudioFrame(channel_, f, &frame))
<< "Resampling succeeds for freq=" << f;
EXPECT_EQ(f, frame.sample_rate_hz_);
EXPECT_EQ(static_cast<size_t>(f / 100), frame.samples_per_channel_);
}
PausePlaying();
EXPECT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, false));
ResumePlaying();
}
TEST_F(ExternalMediaTest,
ExternalMixingResamplingToInvalidFrequenciesFails) {
const int kInvalidFrequencies[] = {-8000, -1};
webrtc::AudioFrame frame;
PausePlaying();
EXPECT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, true));
ResumePlaying();
for (size_t i = 0; i < arraysize(kInvalidFrequencies); i++) {
int f = kInvalidFrequencies[i];
EXPECT_EQ(-1, voe_xmedia_->GetAudioFrame(channel_, f, &frame))
<< "Resampling fails for freq=" << f;
}
PausePlaying();
EXPECT_EQ(0, voe_xmedia_->SetExternalMixing(channel_, false));
ResumePlaying();
}
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