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authorAllan Sandfeld Jensen <allan.jensen@qt.io>2020-10-12 14:27:29 +0200
committerAllan Sandfeld Jensen <allan.jensen@qt.io>2020-10-13 09:35:20 +0000
commitc30a6232df03e1efbd9f3b226777b07e087a1122 (patch)
treee992f45784689f373bcc38d1b79a239ebe17ee23 /chromium/third_party/webrtc/api/adaptation
parent7b5b123ac58f58ffde0f4f6e488bcd09aa4decd3 (diff)
downloadqtwebengine-chromium-85-based.tar.gz
BASELINE: Update Chromium to 85.0.4183.14085-based
Change-Id: Iaa42f4680837c57725b1344f108c0196741f6057 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'chromium/third_party/webrtc/api/adaptation')
-rw-r--r--chromium/third_party/webrtc/api/adaptation/BUILD.gn23
-rw-r--r--chromium/third_party/webrtc/api/adaptation/DEPS7
-rw-r--r--chromium/third_party/webrtc/api/adaptation/resource.cc30
-rw-r--r--chromium/third_party/webrtc/api/adaptation/resource.h67
4 files changed, 127 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/api/adaptation/BUILD.gn b/chromium/third_party/webrtc/api/adaptation/BUILD.gn
new file mode 100644
index 00000000000..dc4c73711ec
--- /dev/null
+++ b/chromium/third_party/webrtc/api/adaptation/BUILD.gn
@@ -0,0 +1,23 @@
+# Copyright(c) 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.
+
+import("../../webrtc.gni")
+
+rtc_source_set("resource_adaptation_api") {
+ visibility = [ "*" ]
+ sources = [
+ "resource.cc",
+ "resource.h",
+ ]
+ deps = [
+ "../../api:scoped_refptr",
+ "../../rtc_base:refcount",
+ "../../rtc_base:rtc_base_approved",
+ "../../rtc_base/system:rtc_export",
+ ]
+}
diff --git a/chromium/third_party/webrtc/api/adaptation/DEPS b/chromium/third_party/webrtc/api/adaptation/DEPS
new file mode 100644
index 00000000000..cab7fb8e140
--- /dev/null
+++ b/chromium/third_party/webrtc/api/adaptation/DEPS
@@ -0,0 +1,7 @@
+specific_include_rules = {
+ "resource\.h": [
+ # ref_count.h is a public_deps of rtc_base_approved. Necessary because of
+ # rtc::RefCountInterface.
+ "+rtc_base/ref_count.h",
+ ],
+} \ No newline at end of file
diff --git a/chromium/third_party/webrtc/api/adaptation/resource.cc b/chromium/third_party/webrtc/api/adaptation/resource.cc
new file mode 100644
index 00000000000..0a9c83a3112
--- /dev/null
+++ b/chromium/third_party/webrtc/api/adaptation/resource.cc
@@ -0,0 +1,30 @@
+/*
+ * 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 "api/adaptation/resource.h"
+
+namespace webrtc {
+
+const char* ResourceUsageStateToString(ResourceUsageState usage_state) {
+ switch (usage_state) {
+ case ResourceUsageState::kOveruse:
+ return "kOveruse";
+ case ResourceUsageState::kUnderuse:
+ return "kUnderuse";
+ }
+}
+
+ResourceListener::~ResourceListener() {}
+
+Resource::Resource() {}
+
+Resource::~Resource() {}
+
+} // namespace webrtc
diff --git a/chromium/third_party/webrtc/api/adaptation/resource.h b/chromium/third_party/webrtc/api/adaptation/resource.h
new file mode 100644
index 00000000000..9b3968055f6
--- /dev/null
+++ b/chromium/third_party/webrtc/api/adaptation/resource.h
@@ -0,0 +1,67 @@
+/*
+ * 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.
+ */
+
+#ifndef API_ADAPTATION_RESOURCE_H_
+#define API_ADAPTATION_RESOURCE_H_
+
+#include <string>
+
+#include "api/scoped_refptr.h"
+#include "rtc_base/ref_count.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+
+class Resource;
+
+enum class ResourceUsageState {
+ // Action is needed to minimze the load on this resource.
+ kOveruse,
+ // Increasing the load on this resource is desired, if possible.
+ kUnderuse,
+};
+
+RTC_EXPORT const char* ResourceUsageStateToString(
+ ResourceUsageState usage_state);
+
+class RTC_EXPORT ResourceListener {
+ public:
+ virtual ~ResourceListener();
+
+ virtual void OnResourceUsageStateMeasured(
+ rtc::scoped_refptr<Resource> resource,
+ ResourceUsageState usage_state) = 0;
+};
+
+// A Resource monitors an implementation-specific resource. It may report
+// kOveruse or kUnderuse when resource usage is high or low enough that we
+// should perform some sort of mitigation to fulfil the resource's constraints.
+//
+// The methods on this interface are invoked on the adaptation task queue.
+// Resource usage measurements may be performed on an any task queue.
+//
+// The Resource is reference counted to prevent use-after-free when posting
+// between task queues. As such, the implementation MUST NOT make any
+// assumptions about which task queue Resource is destructed on.
+class RTC_EXPORT Resource : public rtc::RefCountInterface {
+ public:
+ Resource();
+ // Destruction may happen on any task queue.
+ ~Resource() override;
+
+ virtual std::string Name() const = 0;
+ // The |listener| may be informed of resource usage measurements on any task
+ // queue, but not after this method is invoked with the null argument.
+ virtual void SetResourceListener(ResourceListener* listener) = 0;
+};
+
+} // namespace webrtc
+
+#endif // API_ADAPTATION_RESOURCE_H_