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/*
* 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 <WebCore/RealtimeMediaSource.h>
#include <WebCore/RealtimeMediaSourceIdentifier.h>
#include <wtf/MediaTime.h>
#if PLATFORM(COCOA)
#include "SharedCARingBuffer.h"
#include <WebCore/CAAudioStreamDescription.h>
#endif
namespace WebCore {
class CaptureDevice;
#if PLATFORM(COCOA)
class WebAudioBufferList;
#endif
}
namespace WebKit {
class SpeechRecognitionRemoteRealtimeMediaSourceManager;
class SpeechRecognitionRemoteRealtimeMediaSource : public WebCore::RealtimeMediaSource, public ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<SpeechRecognitionRemoteRealtimeMediaSource, WTF::DestructionThread::MainRunLoop> {
public:
static Ref<WebCore::RealtimeMediaSource> create(SpeechRecognitionRemoteRealtimeMediaSourceManager&, const WebCore::CaptureDevice&, WebCore::PageIdentifier);
~SpeechRecognitionRemoteRealtimeMediaSource();
void ref() const final { ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<SpeechRecognitionRemoteRealtimeMediaSource, WTF::DestructionThread::MainRunLoop>::ref(); }
void deref() const final { ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<SpeechRecognitionRemoteRealtimeMediaSource, WTF::DestructionThread::MainRunLoop>::deref(); }
ThreadSafeWeakPtrControlBlock& controlBlock() const final { return ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<SpeechRecognitionRemoteRealtimeMediaSource, WTF::DestructionThread::MainRunLoop>::controlBlock(); }
WebCore::RealtimeMediaSourceIdentifier identifier() const { return m_identifier; }
#if PLATFORM(COCOA)
void setStorage(ConsumerSharedCARingBuffer::Handle&&, const WebCore::CAAudioStreamDescription&);
#endif
void remoteAudioSamplesAvailable(WTF::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)
std::optional<WebCore::CAAudioStreamDescription> m_description;
std::unique_ptr<ConsumerSharedCARingBuffer> m_ringBuffer;
std::unique_ptr<WebCore::WebAudioBufferList> m_buffer;
#endif
};
} // namespace WebKit
#endif
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