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// Copyright 2013 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 CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_DEMUXER_ANDROID_H_
#define CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_DEMUXER_ANDROID_H_
#include "base/atomic_sequence_num.h"
#include "base/id_map.h"
#include "ipc/message_filter.h"
#include "media/base/android/demuxer_stream_player_params.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace content {
class MediaSourceDelegate;
class ThreadSafeSender;
// Represents the renderer process half of an IPC-based implementation of
// media::DemuxerAndroid.
//
// Refer to BrowserDemuxerAndroid for the browser process half.
class RendererDemuxerAndroid : public IPC::MessageFilter {
public:
RendererDemuxerAndroid();
// Returns the next available demuxer client ID for use in IPC messages.
//
// Safe to call on any thread.
int GetNextDemuxerClientID();
// Associates |delegate| with |demuxer_client_id| for handling incoming IPC
// messages.
//
// Must be called on media thread.
void AddDelegate(int demuxer_client_id, MediaSourceDelegate* delegate);
// Removes the association created by AddDelegate().
//
// Must be called on media thread.
void RemoveDelegate(int demuxer_client_id);
// IPC::MessageFilter overrides.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
// media::DemuxerAndroidClient "implementation".
//
// TODO(scherkus): Consider having RendererDemuxerAndroid actually implement
// media::DemuxerAndroidClient and MediaSourceDelegate actually implement
// media::DemuxerAndroid.
void DemuxerReady(int demuxer_client_id,
const media::DemuxerConfigs& configs);
void ReadFromDemuxerAck(int demuxer_client_id,
const media::DemuxerData& data);
void DemuxerSeekDone(int demuxer_client_id,
const base::TimeDelta& actual_browser_seek_time);
void DurationChanged(int demuxer_client_id, const base::TimeDelta& duration);
protected:
friend class base::RefCountedThreadSafe<RendererDemuxerAndroid>;
virtual ~RendererDemuxerAndroid();
private:
void DispatchMessage(const IPC::Message& message);
void OnReadFromDemuxer(int demuxer_client_id,
media::DemuxerStream::Type type);
void OnDemuxerSeekRequest(int demuxer_client_id,
const base::TimeDelta& time_to_seek,
bool is_browser_seek);
base::AtomicSequenceNumber next_demuxer_client_id_;
IDMap<MediaSourceDelegate> delegates_;
scoped_refptr<ThreadSafeSender> thread_safe_sender_;
scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_;
DISALLOW_COPY_AND_ASSIGN(RendererDemuxerAndroid);
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_DEMUXER_ANDROID_H_
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