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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(GPU_PROCESS) && ENABLE(MEDIA_SOURCE)
#include "Decoder.h"
#include "Encoder.h"
#include <WebCore/MediaDescription.h>
#include <wtf/text/AtomString.h>
#include <wtf/text/WTFString.h>
namespace WebKit {
struct MediaDescriptionInfo {
MediaDescriptionInfo(const AtomString& codec, bool isVideo, bool isAudio, bool isText)
: m_codec(codec)
, m_isVideo(isVideo)
, m_isAudio(isAudio)
, m_isText(isText)
{
}
MediaDescriptionInfo(const WebCore::MediaDescription& description)
: m_codec(description.codec())
, m_isVideo(description.isVideo())
, m_isAudio(description.isAudio())
, m_isText(description.isText())
{
}
AtomString m_codec;
bool m_isVideo { false };
bool m_isAudio { false };
bool m_isText { false };
template<class Encoder>
void encode(Encoder& encoder) const
{
encoder << m_codec;
encoder << m_isVideo;
encoder << m_isAudio;
encoder << m_isText;
}
template <class Decoder>
static std::optional<MediaDescriptionInfo> decode(Decoder& decoder)
{
std::optional<AtomString> codec;
decoder >> codec;
if (!codec)
return std::nullopt;
std::optional<bool> isVideo;
decoder >> isVideo;
if (!isVideo)
return std::nullopt;
std::optional<bool> isAudio;
decoder >> isAudio;
if (!isAudio)
return std::nullopt;
std::optional<bool> isText;
decoder >> isText;
if (!isText)
return std::nullopt;
return {{
WTFMove(*codec),
*isVideo,
*isAudio,
*isText
}};
}
};
class RemoteMediaDescription : public WebCore::MediaDescription {
public:
static Ref<RemoteMediaDescription> create(const MediaDescriptionInfo& descriptionInfo)
{
return adoptRef(*new RemoteMediaDescription(descriptionInfo));
}
virtual ~RemoteMediaDescription() = default;
AtomString codec() const final { return m_codec; }
bool isVideo() const final { return m_isVideo; }
bool isAudio() const final { return m_isAudio; }
bool isText() const final { return m_isText;}
private:
RemoteMediaDescription(const MediaDescriptionInfo& descriptionInfo)
: m_codec(descriptionInfo.m_codec)
, m_isVideo(descriptionInfo.m_isVideo)
, m_isAudio(descriptionInfo.m_isAudio)
, m_isText(descriptionInfo.m_isText)
{
}
AtomString m_codec;
bool m_isVideo { false };
bool m_isAudio { false };
bool m_isText { false };
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS) && ENABLE(MEDIA_SOURCE)
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