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Chromium supports communication with media devices on the local network via the Cast and DIAL protocols. This takes two primary forms: 1. Messaging, where strings representing state information are passed between the client and a dedicated receiver app on the media device. The receiver app communicates directly with an app-specific backend service to retrieve and possibly control media playback. 2. Tab/desktop mirroring, where the media contents are streamed directly from the browser to a generic streaming app on the media device and playback is controlled by the browser. This change adds support for device discovery and messaging (but not mirroring) with functionality exposed via the new CefMediaRouter interface. To test: Navigate to http://tests/media_router in cefclient and follow the on-screen instructions.
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SINK_IMPL_H_
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#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SINK_IMPL_H_
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#pragma once
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#include "include/cef_media_router.h"
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#include "chrome/common/media_router/media_sink.h"
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// Implementation of the CefMediaSink interface. May be created on any thread.
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class CefMediaSinkImpl : public CefMediaSink {
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public:
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explicit CefMediaSinkImpl(const media_router::MediaSink& sink);
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CefMediaSinkImpl(const media_router::MediaSink::Id& sink_id,
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const std::string& sink_name);
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// CefMediaSink methods.
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CefString GetId() override;
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bool IsValid() override;
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CefString GetName() override;
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CefString GetDescription() override;
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bool IsCastSink() override;
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bool IsDialSink() override;
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bool IsCompatibleWith(CefRefPtr<CefMediaSource> source) override;
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const media_router::MediaSink& sink() const { return sink_; }
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private:
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// Read-only after creation.
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const media_router::MediaSink sink_;
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IMPLEMENT_REFCOUNTING(CefMediaSinkImpl);
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DISALLOW_COPY_AND_ASSIGN(CefMediaSinkImpl);
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};
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#endif // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SINK_IMPL_H_
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