186 lines
6.4 KiB
C++
186 lines
6.4 KiB
C++
/*
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* Copyright (C) 2015-2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of Google Inc. nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "MockRealtimeAudioSource.h"
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#if ENABLE(MEDIA_STREAM)
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#include "AudioSession.h"
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#include "CaptureDevice.h"
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#include "Logging.h"
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#include "MediaConstraints.h"
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#include "MockRealtimeMediaSourceCenter.h"
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#include "NotImplemented.h"
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#include "PlatformMediaSessionManager.h"
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#include "RealtimeMediaSourceSettings.h"
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#include <wtf/UUID.h>
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namespace WebCore {
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#if !PLATFORM(MAC) && !PLATFORM(IOS_FAMILY) && !USE(GSTREAMER)
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CaptureSourceOrError MockRealtimeAudioSource::create(String&& deviceID, String&& name, String&& hashSalt, const MediaConstraints* constraints)
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{
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#ifndef NDEBUG
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auto device = MockRealtimeMediaSourceCenter::mockDeviceWithPersistentID(deviceID);
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ASSERT(device);
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if (!device)
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return { "No mock microphone device"_s };
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#endif
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auto source = adoptRef(*new MockRealtimeAudioSource(WTFMove(deviceID), WTFMove(name), WTFMove(hashSalt)));
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if (constraints && source->applyConstraints(*constraints))
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return { };
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return CaptureSourceOrError(WTFMove(source));
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}
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#endif
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MockRealtimeAudioSource::MockRealtimeAudioSource(String&& deviceID, String&& name, String&& hashSalt)
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: RealtimeMediaSource(RealtimeMediaSource::Type::Audio, WTFMove(name), WTFMove(deviceID), WTFMove(hashSalt))
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, m_workQueue(WorkQueue::create("MockRealtimeAudioSource Render Queue"))
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, m_timer(RunLoop::current(), this, &MockRealtimeAudioSource::tick)
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{
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auto device = MockRealtimeMediaSourceCenter::mockDeviceWithPersistentID(persistentID());
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ASSERT(device);
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m_device = *device;
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setSampleRate(WTF::get<MockMicrophoneProperties>(m_device.properties).defaultSampleRate);
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initializeEchoCancellation(true);
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}
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MockRealtimeAudioSource::~MockRealtimeAudioSource()
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{
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#if PLATFORM(IOS_FAMILY)
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RealtimeMediaSourceCenter::singleton().audioCaptureFactory().unsetActiveSource(*this);
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#endif
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}
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const RealtimeMediaSourceSettings& MockRealtimeAudioSource::settings()
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{
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if (!m_currentSettings) {
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RealtimeMediaSourceSettings settings;
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settings.setDeviceId(hashedId());
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settings.setVolume(volume());
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settings.setEchoCancellation(echoCancellation());
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settings.setSampleRate(sampleRate());
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settings.setLabel(name());
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RealtimeMediaSourceSupportedConstraints supportedConstraints;
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supportedConstraints.setSupportsDeviceId(true);
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supportedConstraints.setSupportsVolume(true);
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supportedConstraints.setSupportsEchoCancellation(true);
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supportedConstraints.setSupportsSampleRate(true);
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settings.setSupportedConstraints(supportedConstraints);
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m_currentSettings = WTFMove(settings);
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}
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return m_currentSettings.value();
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}
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void MockRealtimeAudioSource::setChannelCount(unsigned channelCount)
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{
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if (channelCount > 2)
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return;
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m_channelCount = channelCount;
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settingsDidChange(RealtimeMediaSourceSettings::Flag::SampleRate);
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}
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const RealtimeMediaSourceCapabilities& MockRealtimeAudioSource::capabilities()
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{
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if (!m_capabilities) {
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RealtimeMediaSourceCapabilities capabilities(settings().supportedConstraints());
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capabilities.setDeviceId(hashedId());
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capabilities.setVolume(CapabilityValueOrRange(0.0, 1.0));
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capabilities.setEchoCancellation(RealtimeMediaSourceCapabilities::EchoCancellation::ReadWrite);
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capabilities.setSampleRate(CapabilityValueOrRange(44100, 48000));
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m_capabilities = WTFMove(capabilities);
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}
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return m_capabilities.value();
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}
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void MockRealtimeAudioSource::settingsDidChange(OptionSet<RealtimeMediaSourceSettings::Flag>)
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{
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m_currentSettings = std::nullopt;
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}
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void MockRealtimeAudioSource::startProducingData()
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{
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#if PLATFORM(IOS_FAMILY)
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RealtimeMediaSourceCenter::singleton().audioCaptureFactory().setActiveSource(*this);
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PlatformMediaSessionManager::sharedManager().sessionCanProduceAudioChanged();
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ASSERT(AudioSession::sharedSession().category() == AudioSession::CategoryType::PlayAndRecord);
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#endif
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if (!sampleRate())
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setSampleRate(WTF::get<MockMicrophoneProperties>(m_device.properties).defaultSampleRate);
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m_startTime = MonotonicTime::now();
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m_timer.startRepeating(renderInterval());
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}
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void MockRealtimeAudioSource::stopProducingData()
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{
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m_timer.stop();
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m_startTime = MonotonicTime::nan();
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}
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void MockRealtimeAudioSource::tick()
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{
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if (std::isnan(m_lastRenderTime))
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m_lastRenderTime = MonotonicTime::now();
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MonotonicTime now = MonotonicTime::now();
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if (m_delayUntil) {
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if (m_delayUntil < now)
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return;
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m_delayUntil = MonotonicTime();
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}
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Seconds delta = now - m_lastRenderTime;
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m_lastRenderTime = now;
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m_workQueue->dispatch([this, delta, protectedThis = makeRef(*this)] {
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render(delta);
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});
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}
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void MockRealtimeAudioSource::delaySamples(Seconds delta)
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{
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m_delayUntil = MonotonicTime::now() + delta;
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}
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} // namespace WebCore
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#endif // ENABLE(MEDIA_STREAM)
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