/* * Copyright (C) 2020 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. */ #pragma once #include "SpeechRecognitionCaptureSourceImpl.h" #include "SpeechRecognitionConnectionClientIdentifier.h" namespace WTF { class MediaTime; } namespace WebCore { class AudioStreamDescription; class PlatformAudioData; class SpeechRecognitionCaptureSourceImpl; class SpeechRecognitionUpdate; class SpeechRecognitionCaptureSource { WTF_MAKE_FAST_ALLOCATED; public: SpeechRecognitionCaptureSource() = default; ~SpeechRecognitionCaptureSource() = default; WEBCORE_EXPORT void mute(); #if ENABLE(MEDIA_STREAM) using DataCallback = Function<void(const WTF::MediaTime&, const PlatformAudioData&, const AudioStreamDescription&, size_t)>; using StateUpdateCallback = Function<void(const SpeechRecognitionUpdate&)>; SpeechRecognitionCaptureSource(SpeechRecognitionConnectionClientIdentifier, DataCallback&&, StateUpdateCallback&&, Ref<RealtimeMediaSource>&&); WEBCORE_EXPORT static Optional<WebCore::CaptureDevice> findCaptureDevice(); WEBCORE_EXPORT static CaptureSourceOrError createRealtimeMediaSource(const CaptureDevice&); #endif private: #if ENABLE(MEDIA_STREAM) std::unique_ptr<SpeechRecognitionCaptureSourceImpl> m_impl; #endif }; } // namespace WebCore