blob: 0ffc78b4de4772368b5a1cbf9ab06997243d4956 [file] [log] [blame]
/*
* Copyright 2019 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.
*/
#include "call/adaptation/resource.h"
#include "absl/algorithm/container.h"
#include "rtc_base/checks.h"
namespace webrtc {
ResourceListener::~ResourceListener() {}
Resource::Resource() : usage_state_(absl::nullopt), listener_(nullptr) {}
Resource::~Resource() {}
void Resource::SetResourceListener(ResourceListener* listener) {
// If you want to change listener you need to unregister the old listener by
// setting it to null first.
RTC_DCHECK(!listener_ || !listener) << "A listener is already set";
listener_ = listener;
}
absl::optional<ResourceUsageState> Resource::usage_state() const {
return usage_state_;
}
void Resource::ClearUsageState() {
usage_state_ = absl::nullopt;
}
bool Resource::IsAdaptationUpAllowed(
const VideoStreamInputState& input_state,
const VideoSourceRestrictions& restrictions_before,
const VideoSourceRestrictions& restrictions_after,
const Resource& reason_resource) const {
return true;
}
ResourceListenerResponse Resource::OnResourceUsageStateMeasured(
ResourceUsageState usage_state) {
usage_state_ = usage_state;
if (!listener_)
return ResourceListenerResponse::kNothing;
return listener_->OnResourceUsageStateMeasured(*this);
}
} // namespace webrtc