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Diffstat (limited to 'call/adaptation/adaptation_constraint.h')
-rw-r--r-- | call/adaptation/adaptation_constraint.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/call/adaptation/adaptation_constraint.h b/call/adaptation/adaptation_constraint.h new file mode 100644 index 0000000000..ce15e32a13 --- /dev/null +++ b/call/adaptation/adaptation_constraint.h @@ -0,0 +1,43 @@ +/* + * Copyright 2020 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef CALL_ADAPTATION_ADAPTATION_CONSTRAINT_H_ +#define CALL_ADAPTATION_ADAPTATION_CONSTRAINT_H_ + +#include <string> + +#include "api/scoped_refptr.h" +#include "call/adaptation/resource.h" +#include "call/adaptation/video_source_restrictions.h" +#include "call/adaptation/video_stream_input_state.h" + +namespace webrtc { + +// Adaptation constraints have the ability to prevent applying a proposed +// adaptation (expressed as restrictions before/after adaptation). +class AdaptationConstraint { + public: + virtual ~AdaptationConstraint(); + + virtual std::string Name() const = 0; + + // TODO(https://crbug.com/webrtc/11172): When we have multi-stream adaptation + // support, this interface needs to indicate which stream the adaptation + // applies to. + virtual bool IsAdaptationUpAllowed( + const VideoStreamInputState& input_state, + const VideoSourceRestrictions& restrictions_before, + const VideoSourceRestrictions& restrictions_after, + rtc::scoped_refptr<Resource> reason_resource) const = 0; +}; + +} // namespace webrtc + +#endif // CALL_ADAPTATION_ADAPTATION_CONSTRAINT_H_ |