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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/test/scoped_feature_list.h"
#include "base/threading/platform_thread.h"
#include "build/build_config.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/browser/webrtc/webrtc_content_browsertest_base.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "media/base/media_switches.h"
#include "media/webrtc/webrtc_features.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "third_party/blink/public/common/peerconnection/webrtc_ip_handling_policy.h"
const char kAudioConstraints[] = "audio: {echoCancellation: {exact: false}}";
const char kVideoConstraints[] = "video:true";
namespace content {
// This class tests the scenario when permission to access mic or camera is
// granted.
class WebRtcAudioBrowserTest : public WebRtcContentBrowserTestBase {
public:
~WebRtcAudioBrowserTest() override {}
void SetUpCommandLine(base::CommandLine* command_line) override {
WebRtcContentBrowserTestBase::SetUpCommandLine(command_line);
// Automatically grant device permission.
AppendUseFakeUIForMediaStreamFlag();
}
protected:
// Convenience method for making calls that detect if audio os playing (which
// has some special prerequisites, such that there needs to be an audio output
// device on the executing machine).
void MakeAudioDetectingPeerConnectionCall(const std::string& javascript) {
if (!HasAudioOutputDevices()) {
// Bots with no output devices will force the audio code into a state
// where it doesn't manage to set either the low or high latency path.
// This test will compute useless values in that case, so skip running on
// such bots (see crbug.com/326338).
LOG(INFO) << "Missing output devices: skipping test...";
return;
}
ASSERT_TRUE(base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUseFakeDeviceForMediaStream))
<< "Must run with fake devices since the test will explicitly look "
<< "for the fake device signal.";
MakeTypicalCall(javascript, "/media/peerconnection-call-audio.html");
}
std::string BuildConstraints(const char* audio, const char* video) {
DCHECK(audio);
DCHECK(video);
std::string audio_str(audio);
std::string video_str(video);
if (!audio_str.empty() && !video_str.empty())
return "{" + audio_str + "," + video_str + "}";
if (!audio_str.empty())
return "{" + audio_str + "}";
return "{" + video_str + "}";
}
private:
base::test::ScopedFeatureList audio_service_features_;
};
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
CanMakeVideoCallAndThenRenegotiateToAudio) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
std::string audio_only_constraints = BuildConstraints(kAudioConstraints, "");
MakeAudioDetectingPeerConnectionCall("callAndRenegotiateToAudio(" +
constraints + ", " +
audio_only_constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EstablishAudioVideoCallAndEnsureAudioIsPlaying) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
MakeAudioDetectingPeerConnectionCall("callAndEnsureAudioIsPlaying(" +
constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EstablishAudioOnlyCallAndEnsureAudioIsPlaying) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
MakeAudioDetectingPeerConnectionCall("callAndEnsureAudioIsPlaying(" +
constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EstablishAudioVideoCallAndVerifyRemoteMutingWorks) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
MakeAudioDetectingPeerConnectionCall(
"callAndEnsureRemoteAudioTrackMutingWorks(" + constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EstablishAudioVideoCallAndVerifyLocalMutingWorks) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
MakeAudioDetectingPeerConnectionCall(
"callAndEnsureLocalAudioTrackMutingWorks(" + constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EnsureLocalVideoMuteDoesntMuteAudio) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
MakeAudioDetectingPeerConnectionCall(
"callAndEnsureLocalVideoMutingDoesntMuteAudio(" + constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EnsureRemoteVideoMuteDoesntMuteAudio) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
MakeAudioDetectingPeerConnectionCall(
"callAndEnsureRemoteVideoMutingDoesntMuteAudio(" + constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EnsureRemoteAudioMuteMakeMediaRecorderSilence) {
std::string constraints = BuildConstraints(kAudioConstraints, "");
MakeAudioDetectingPeerConnectionCall(
"callAndEnsureMuteWorksForMediaRecorder(" + constraints + ");");
}
IN_PROC_BROWSER_TEST_F(WebRtcAudioBrowserTest,
EstablishAudioVideoCallAndVerifyUnmutingWorks) {
std::string constraints =
BuildConstraints(kAudioConstraints, kVideoConstraints);
MakeAudioDetectingPeerConnectionCall("callAndEnsureAudioTrackUnmutingWorks(" +
constraints + ");");
}
// TODO(crbug.com/40637961): This test is a temporary replacement for:
// external/wpt/webrtc/RTCRtpReceiver-getSynchronizationSources.https.html
IN_PROC_BROWSER_TEST_F(
WebRtcAudioBrowserTest,
EstablishAudioOnlyCallAndVerifyGetSynchronizationSourcesWorks) {
MakeAudioDetectingPeerConnectionCall(
"testEstablishAudioOnlyCallAndVerifyGetSynchronizationSourcesWorks();");
}
} // namespace content
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