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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.
41 lines
1.4 KiB
C++
41 lines
1.4 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_ROUTE_IMPL_H_
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#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_IMPL_H_
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#pragma once
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#include "include/cef_media_router.h"
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#include "libcef/browser/browser_context.h"
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#include "chrome/common/media_router/media_route.h"
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// Implementation of the CefMediaRoute interface. Only created on the UI thread.
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class CefMediaRouteImpl : public CefMediaRoute {
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public:
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CefMediaRouteImpl(const media_router::MediaRoute& route,
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const CefBrowserContext::Getter& browser_context_getter);
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// CefMediaRoute methods.
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CefString GetId() override;
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CefRefPtr<CefMediaSource> GetSource() override;
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CefRefPtr<CefMediaSink> GetSink() override;
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void SendRouteMessage(const void* message, size_t message_size) override;
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void Terminate() override;
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const media_router::MediaRoute& route() const { return route_; }
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private:
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void SendRouteMessageInternal(std::string message);
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// Read-only after creation.
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const media_router::MediaRoute route_;
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const CefBrowserContext::Getter browser_context_getter_;
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IMPLEMENT_REFCOUNTING(CefMediaRouteImpl);
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DISALLOW_COPY_AND_ASSIGN(CefMediaRouteImpl);
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};
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#endif // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_IMPL_H_
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