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/*
* Copyright (C) 2021 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(VIDEO)
#include "PlatformVideoTrackConfiguration.h"
#include "VideoColorSpace.h"
#include <wtf/Observer.h>
#include <wtf/OptionSet.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakHashSet.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
using VideoTrackConfigurationInit = PlatformVideoTrackConfiguration;
class VideoTrackConfiguration : public RefCounted<VideoTrackConfiguration> {
WTF_MAKE_TZONE_ALLOCATED(VideoTrackConfiguration);
public:
static Ref<VideoTrackConfiguration> create(VideoTrackConfigurationInit&& init) { return adoptRef(*new VideoTrackConfiguration(WTFMove(init))); }
static Ref<VideoTrackConfiguration> create() { return adoptRef(*new VideoTrackConfiguration()); }
void setState(const VideoTrackConfigurationInit&);
String codec() const { return m_state.codec; }
void setCodec(String);
uint32_t width() const { return m_state.width; }
void setWidth(uint32_t);
uint32_t height() const { return m_state.height; }
void setHeight(uint32_t);
Ref<VideoColorSpace> colorSpace() const { return m_colorSpace; }
void setColorSpace(Ref<VideoColorSpace>&&);
double framerate() const { return m_state.framerate; }
void setFramerate(double);
uint64_t bitrate() const { return m_state.bitrate; }
void setBitrate(uint64_t);
std::optional<SpatialVideoMetadata> spatialVideoMetadata() const { return m_state.spatialVideoMetadata; }
void setSpatialVideoMetadata(std::optional<SpatialVideoMetadata>);
std::optional<VideoProjectionMetadata> videoProjectionMetadata() const { return m_state.videoProjectionMetadata; }
void setVideoProjectionMetadata(std::optional<VideoProjectionMetadata>);
using ChangedStateObserver = Observer<void()>;
void addStateObserver(ChangedStateObserver&);
void removeStateObserver(const ChangedStateObserver&);
Ref<JSON::Object> toJSON() const;
private:
VideoTrackConfiguration(VideoTrackConfigurationInit&& init)
: m_state(init)
, m_colorSpace(VideoColorSpace::create(init.colorSpace))
{
}
VideoTrackConfiguration()
: m_colorSpace(VideoColorSpace::create())
{
}
void notifyObservers();
VideoTrackConfigurationInit m_state;
Ref<VideoColorSpace> m_colorSpace;
WeakHashSet<ChangedStateObserver> m_observers;
};
}
#endif
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