| /* |
| * Copyright (C) 2015-2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name of Google Inc. nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "MockRealtimeAudioSource.h" |
| |
| #if ENABLE(MEDIA_STREAM) |
| #include "CaptureDevice.h" |
| #include "Logging.h" |
| #include "MediaConstraints.h" |
| #include "MockRealtimeMediaSourceCenter.h" |
| #include "NotImplemented.h" |
| #include "RealtimeMediaSourceSettings.h" |
| #include <wtf/UUID.h> |
| |
| namespace WebCore { |
| |
| class MockRealtimeAudioSourceFactory : public RealtimeMediaSource::AudioCaptureFactory |
| { |
| public: |
| CaptureSourceOrError createAudioCaptureSource(const CaptureDevice& device, const MediaConstraints* constraints) final |
| { |
| for (auto& mockDevice : MockRealtimeMediaSource::audioDevices()) { |
| if (mockDevice.persistentId() == device.persistentId()) |
| return MockRealtimeAudioSource::create(mockDevice.persistentId(), mockDevice.label(), constraints); |
| } |
| return { }; |
| } |
| }; |
| |
| #if !PLATFORM(MAC) && !PLATFORM(IOS) |
| CaptureSourceOrError MockRealtimeAudioSource::create(const String& deviceID, const String& name, const MediaConstraints* constraints) |
| { |
| auto source = adoptRef(*new MockRealtimeAudioSource(deviceID, name)); |
| if (constraints && source->applyConstraints(*constraints)) |
| return { }; |
| |
| return CaptureSourceOrError(WTFMove(source)); |
| } |
| #endif |
| |
| static MockRealtimeAudioSourceFactory& mockAudioCaptureSourceFactory() |
| { |
| static NeverDestroyed<MockRealtimeAudioSourceFactory> factory; |
| return factory.get(); |
| } |
| |
| RealtimeMediaSource::AudioCaptureFactory& MockRealtimeAudioSource::factory() |
| { |
| return mockAudioCaptureSourceFactory(); |
| } |
| |
| MockRealtimeAudioSource::MockRealtimeAudioSource(const String& deviceID, const String& name) |
| : MockRealtimeMediaSource(deviceID, RealtimeMediaSource::Type::Audio, name) |
| , m_timer(RunLoop::current(), this, &MockRealtimeAudioSource::tick) |
| { |
| } |
| |
| MockRealtimeAudioSource::~MockRealtimeAudioSource() |
| { |
| #if PLATFORM(IOS) |
| MockRealtimeMediaSourceCenter::audioCaptureSourceFactory().unsetActiveSource(*this); |
| #endif |
| } |
| |
| void MockRealtimeAudioSource::updateSettings(RealtimeMediaSourceSettings& settings) |
| { |
| settings.setVolume(volume()); |
| settings.setEchoCancellation(echoCancellation()); |
| settings.setSampleRate(sampleRate()); |
| } |
| |
| void MockRealtimeAudioSource::initializeCapabilities(RealtimeMediaSourceCapabilities& capabilities) |
| { |
| capabilities.setVolume(CapabilityValueOrRange(0.0, 1.0)); |
| capabilities.setEchoCancellation(RealtimeMediaSourceCapabilities::EchoCancellation::ReadWrite); |
| capabilities.setSampleRate(CapabilityValueOrRange(44100, 48000)); |
| } |
| |
| void MockRealtimeAudioSource::initializeSupportedConstraints(RealtimeMediaSourceSupportedConstraints& supportedConstraints) |
| { |
| supportedConstraints.setSupportsVolume(true); |
| supportedConstraints.setSupportsEchoCancellation(true); |
| supportedConstraints.setSupportsSampleRate(true); |
| } |
| |
| void MockRealtimeAudioSource::startProducingData() |
| { |
| #if PLATFORM(IOS) |
| MockRealtimeMediaSourceCenter::audioCaptureSourceFactory().setActiveSource(*this); |
| #endif |
| |
| if (!sampleRate()) |
| setSampleRate(device() == MockRealtimeMediaSource::MockDevice::Microphone1 ? 44100 : 48000); |
| |
| m_startTime = MonotonicTime::now(); |
| m_timer.startRepeating(renderInterval()); |
| } |
| |
| void MockRealtimeAudioSource::stopProducingData() |
| { |
| m_timer.stop(); |
| m_elapsedTime += MonotonicTime::now() - m_startTime; |
| m_startTime = MonotonicTime::nan(); |
| } |
| |
| Seconds MockRealtimeAudioSource::elapsedTime() |
| { |
| if (std::isnan(m_startTime)) |
| return m_elapsedTime; |
| |
| return m_elapsedTime + (MonotonicTime::now() - m_startTime); |
| } |
| |
| void MockRealtimeAudioSource::tick() |
| { |
| if (std::isnan(m_lastRenderTime)) |
| m_lastRenderTime = MonotonicTime::now(); |
| |
| MonotonicTime now = MonotonicTime::now(); |
| |
| if (m_delayUntil) { |
| if (m_delayUntil < now) |
| return; |
| m_delayUntil = MonotonicTime(); |
| } |
| |
| Seconds delta = now - m_lastRenderTime; |
| m_lastRenderTime = now; |
| render(delta); |
| } |
| |
| void MockRealtimeAudioSource::delaySamples(Seconds delta) |
| { |
| m_delayUntil = MonotonicTime::now() + delta; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(MEDIA_STREAM) |