| /* |
| * 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 |
| |
| #if ENABLE(MEDIA_STREAM) |
| |
| #include "SharedMemory.h" |
| #include <WebCore/RealtimeMediaSource.h> |
| #include <WebCore/RealtimeMediaSourceIdentifier.h> |
| |
| #if PLATFORM(COCOA) |
| #include <WebCore/CAAudioStreamDescription.h> |
| #endif |
| |
| namespace WebCore { |
| class CaptureDevice; |
| #if PLATFORM(COCOA) |
| class CARingBuffer; |
| class WebAudioBufferList; |
| #endif |
| } |
| |
| namespace WebKit { |
| class SpeechRecognitionRemoteRealtimeMediaSourceManager; |
| |
| class SpeechRecognitionRemoteRealtimeMediaSource : public WebCore::RealtimeMediaSource { |
| public: |
| static Ref<WebCore::RealtimeMediaSource> create(SpeechRecognitionRemoteRealtimeMediaSourceManager&, const WebCore::CaptureDevice&, WebCore::PageIdentifier); |
| ~SpeechRecognitionRemoteRealtimeMediaSource(); |
| |
| WebCore::RealtimeMediaSourceIdentifier identifier() const { return m_identifier; } |
| |
| #if PLATFORM(COCOA) |
| void setStorage(const SharedMemory::Handle&, const WebCore::CAAudioStreamDescription&, uint64_t numberOfFrames); |
| #endif |
| |
| void remoteAudioSamplesAvailable(MediaTime, uint64_t numberOfFrames); |
| void remoteCaptureFailed(); |
| void remoteSourceStopped(); |
| |
| private: |
| SpeechRecognitionRemoteRealtimeMediaSource(WebCore::RealtimeMediaSourceIdentifier, SpeechRecognitionRemoteRealtimeMediaSourceManager&, const WebCore::CaptureDevice&, WebCore::PageIdentifier); |
| |
| // WebCore::RealtimeMediaSource |
| void startProducingData() final; |
| void stopProducingData() final; |
| const WebCore::RealtimeMediaSourceCapabilities& capabilities() final { return m_capabilities; } |
| const WebCore::RealtimeMediaSourceSettings& settings() final { return m_settings; } |
| |
| WebCore::RealtimeMediaSourceIdentifier m_identifier; |
| WeakPtr<SpeechRecognitionRemoteRealtimeMediaSourceManager> m_manager; |
| WebCore::RealtimeMediaSourceCapabilities m_capabilities; |
| WebCore::RealtimeMediaSourceSettings m_settings; |
| |
| #if PLATFORM(COCOA) |
| WebCore::CAAudioStreamDescription m_description; |
| std::unique_ptr<WebCore::CARingBuffer> m_ringBuffer; |
| std::unique_ptr<WebCore::WebAudioBufferList> m_buffer; |
| #endif |
| }; |
| |
| } // namespace WebKit |
| |
| #endif |