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Unified Diff: chrome/renderer/media/cast_ipc_dispatcher.h

Issue 138753004: Cast: IPC glue between cast library transport and encoders. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: minor cleanup Created 6 years, 10 months ago
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Index: chrome/renderer/media/cast_ipc_dispatcher.h
diff --git a/chrome/renderer/media/cast_ipc_dispatcher.h b/chrome/renderer/media/cast_ipc_dispatcher.h
new file mode 100644
index 0000000000000000000000000000000000000000..7464f4d14d6c8cdc8e4a8dac085ab9f2777430d5
--- /dev/null
+++ b/chrome/renderer/media/cast_ipc_dispatcher.h
@@ -0,0 +1,63 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_
+#define CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_
+
+#include "base/callback.h"
+#include "base/id_map.h"
+#include "ipc/ipc_channel_proxy.h"
+#include "media/cast/cast_sender.h"
+#include "media/cast/transport/cast_transport_sender.h"
+
+class CastTransportSenderIPC;
+
+// This dispatcher listens to incoming IPC messages and sends
+// the call to the correct CastTransportSenderIPC instance.
+class CastIPCDispatcher : public IPC::ChannelProxy::MessageFilter {
+ public:
+ explicit CastIPCDispatcher(
+ const scoped_refptr<base::MessageLoopProxy>& io_message_loop);
+
+ static CastIPCDispatcher* Get();
+ void Send(IPC::Message* message);
+ int32 AddSender(CastTransportSenderIPC* sender);
+ void RemoveSender(int32 channel_id);
+
+ // IPC::ChannelProxy::MessageFilter implementation
+ virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+ virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE;
+ virtual void OnFilterRemoved() OVERRIDE;
+ virtual void OnChannelClosing() OVERRIDE;
+
+ protected:
+ virtual ~CastIPCDispatcher();
+
+ private:
+ void OnReceivedPacket(int32 channel_id, const media::cast::Packet& packet);
+ void OnNotifyStatusChange(
+ int32 channel_id,
+ media::cast::transport::CastTransportStatus status);
+ void OnRtpStatistics(
+ int32 channel_id,
+ bool audio,
+ const media::cast::transport::RtcpSenderInfo& sender_info,
+ base::TimeTicks time_sent,
+ uint32 rtp_timestamp);
+
+ static CastIPCDispatcher* global_instance_;
+
+ // IPC channel for Send(); must only be accesed on |io_message_loop_|.
+ IPC::Channel* channel_;
+
+ // Message loop on which IPC calls are driven.
+ const scoped_refptr<base::MessageLoopProxy> io_message_loop_;
+
+ // A map of stream ids to delegates; must only be accessed on
+ // |io_message_loop_|.
+ IDMap<CastTransportSenderIPC> id_map_;
+ DISALLOW_COPY_AND_ASSIGN(CastIPCDispatcher);
+};
+
+#endif // CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_
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