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/*
* Copyright (C) 2016-2023 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.
*/
#include "config.h"
#include "MediaTrackCapabilities.h"
#if ENABLE(MEDIA_STREAM)
#include "JSMeteringMode.h"
#include "RealtimeMediaSourceCapabilities.h"
namespace WebCore {
static DoubleRange capabilityDoubleRange(const CapabilityRange& value)
{
if (value.type() == CapabilityRange::Type::DoubleRange) {
DoubleRange range;
auto min = value.doubleRange().min;
auto max = value.doubleRange().max;
ASSERT(min != std::numeric_limits<double>::min() || max != std::numeric_limits<double>::max());
if (min != std::numeric_limits<double>::min())
range.min = min;
if (max != std::numeric_limits<double>::max())
range.max = max;
return range;
}
ASSERT_NOT_REACHED();
return { };
}
static LongRange capabilityIntRange(const CapabilityRange& value)
{
if (value.type() == CapabilityRange::Type::LongRange)
return { value.longRange().max, value.longRange().min };
ASSERT_NOT_REACHED();
return { };
}
static Vector<String> capabilityStringVector(const Vector<VideoFacingMode>& modes)
{
return modes.map([](auto& mode) {
return convertEnumerationToString(mode);
});
}
static Vector<String> capabilityStringVector(const Vector<MeteringMode>& modes)
{
return modes.map([](auto& mode) {
return convertEnumerationToString(mode);
});
}
static Vector<bool> capabilityBooleanVector(RealtimeMediaSourceCapabilities::EchoCancellation cancellation)
{
Vector<bool> result;
result.reserveInitialCapacity(2);
result.append(true);
if (cancellation == RealtimeMediaSourceCapabilities::EchoCancellation::ReadWrite)
result.append(false);
return result;
}
MediaTrackCapabilities toMediaTrackCapabilities(const RealtimeMediaSourceCapabilities& capabilities, const String& groupId)
{
MediaTrackCapabilities result;
if (capabilities.supportsWidth())
result.width = capabilityIntRange(capabilities.width());
if (capabilities.supportsHeight())
result.height = capabilityIntRange(capabilities.height());
if (capabilities.supportsAspectRatio())
result.aspectRatio = capabilityDoubleRange(capabilities.aspectRatio());
if (capabilities.supportsFrameRate())
result.frameRate = capabilityDoubleRange(capabilities.frameRate());
if (capabilities.supportsFacingMode())
result.facingMode = capabilityStringVector(capabilities.facingMode());
if (capabilities.supportsVolume())
result.volume = capabilityDoubleRange(capabilities.volume());
if (capabilities.supportsSampleRate())
result.sampleRate = capabilityIntRange(capabilities.sampleRate());
if (capabilities.supportsSampleSize())
result.sampleSize = capabilityIntRange(capabilities.sampleSize());
if (capabilities.supportsEchoCancellation())
result.echoCancellation = capabilityBooleanVector(capabilities.echoCancellation());
if (capabilities.supportsDeviceId())
result.deviceId = capabilities.deviceId();
if (capabilities.supportsGroupId())
result.groupId = groupId;
if (capabilities.supportsFocusDistance())
result.focusDistance = capabilityDoubleRange(capabilities.focusDistance());
if (capabilities.supportsWhiteBalanceMode())
result.whiteBalanceMode = capabilityStringVector(capabilities.whiteBalanceModes());
if (capabilities.supportsZoom())
result.zoom = capabilityDoubleRange(capabilities.zoom());
if (capabilities.supportsTorch())
result.torch = capabilities.torch();
return result;
}
}
#endif
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