44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
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/*
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* Copyright 2020 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef CALL_ADAPTATION_ADAPTATION_CONSTRAINT_H_
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#define CALL_ADAPTATION_ADAPTATION_CONSTRAINT_H_
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#include <string>
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#include "api/adaptation/resource.h"
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#include "api/scoped_refptr.h"
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#include "call/adaptation/video_source_restrictions.h"
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#include "call/adaptation/video_stream_input_state.h"
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namespace webrtc {
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// Adaptation constraints have the ability to prevent applying a proposed
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// adaptation (expressed as restrictions before/after adaptation).
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class AdaptationConstraint {
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public:
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virtual ~AdaptationConstraint();
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virtual std::string Name() const = 0;
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// TODO(https://crbug.com/webrtc/11172): When we have multi-stream adaptation
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// support, this interface needs to indicate which stream the adaptation
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// applies to.
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virtual bool IsAdaptationUpAllowed(
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const VideoStreamInputState& input_state,
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const VideoSourceRestrictions& restrictions_before,
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const VideoSourceRestrictions& restrictions_after,
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rtc::scoped_refptr<Resource> reason_resource) const = 0;
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};
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} // namespace webrtc
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#endif // CALL_ADAPTATION_ADAPTATION_CONSTRAINT_H_
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