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// Copyright (c) 2012 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 MEDIA_BASE_ANDROID_MEDIA_PLAYER_MANAGER_H_
#define MEDIA_BASE_ANDROID_MEDIA_PLAYER_MANAGER_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/time/time.h"
#include "media/base/android/demuxer_stream_player_params.h"
#include "media/base/media_export.h"
#include "media/base/media_keys.h"
namespace media {
class MediaDrmBridge;
class MediaPlayerAndroid;
class MediaResourceGetter;
// This class is responsible for managing active MediaPlayerAndroid objects.
class MEDIA_EXPORT MediaPlayerManager {
public:
virtual ~MediaPlayerManager() {}
// Called by a MediaPlayerAndroid object when it is going to decode
// media streams. This helps the manager object maintain an array
// of active MediaPlayerAndroid objects and release the resources
// when needed.
virtual void RequestMediaResources(int player_id) = 0;
// Called when a MediaPlayerAndroid object releases all its decoding
// resources.
virtual void ReleaseMediaResources(int player_id) = 0;
// Return a pointer to the MediaResourceGetter object.
virtual MediaResourceGetter* GetMediaResourceGetter() = 0;
// Called when time update messages need to be sent. Args: player ID,
// current time.
virtual void OnTimeUpdate(int player_id, base::TimeDelta current_time) = 0;
// Called when media metadata changed. Args: player ID, duration of the
// media, width, height, whether the metadata is successfully extracted.
virtual void OnMediaMetadataChanged(
int player_id,
base::TimeDelta duration,
int width,
int height,
bool success) = 0;
// Called when playback completed. Args: player ID.
virtual void OnPlaybackComplete(int player_id) = 0;
// Called when media download was interrupted. Args: player ID.
virtual void OnMediaInterrupted(int player_id) = 0;
// Called when buffering has changed. Args: player ID, percentage
// of the media.
virtual void OnBufferingUpdate(int player_id, int percentage) = 0;
// Called when seek completed. Args: player ID, current time.
virtual void OnSeekComplete(
int player_id,
const base::TimeDelta& current_time) = 0;
// Called when error happens. Args: player ID, error type.
virtual void OnError(int player_id, int error) = 0;
// Called when video size has changed. Args: player ID, width, height.
virtual void OnVideoSizeChanged(int player_id, int width, int height) = 0;
// Returns the player that's in the fullscreen mode currently.
virtual MediaPlayerAndroid* GetFullscreenPlayer() = 0;
// Returns the player with the specified id.
virtual MediaPlayerAndroid* GetPlayer(int player_id) = 0;
// Release all the players managed by this object.
virtual void DestroyAllMediaPlayers() = 0;
// Get the MediaDrmBridge object for the given media key Id.
virtual media::MediaDrmBridge* GetDrmBridge(int media_keys_id) = 0;
// Called by the player to get a hardware protected surface.
virtual void OnProtectedSurfaceRequested(int player_id) = 0;
// The following five methods are related to EME.
// TODO(xhwang): These methods needs to be decoupled from MediaPlayerManager
// to support the W3C Working Draft version of the EME spec.
// http://crbug.com/315312
// Called when MediaDrmBridge determines a SessionId.
virtual void OnSessionCreated(int media_keys_id,
uint32 session_id,
const std::string& web_session_id) = 0;
// Called when MediaDrmBridge wants to send a Message event.
virtual void OnSessionMessage(int media_keys_id,
uint32 session_id,
const std::vector<uint8>& message,
const std::string& destination_url) = 0;
// Called when MediaDrmBridge wants to send a Ready event.
virtual void OnSessionReady(int media_keys_id, uint32 session_id) = 0;
// Called when MediaDrmBridge wants to send a Closed event.
virtual void OnSessionClosed(int media_keys_id, uint32 session_id) = 0;
// Called when MediaDrmBridge wants to send an Error event.
virtual void OnSessionError(int media_keys_id,
uint32 session_id,
media::MediaKeys::KeyError error_code,
int system_code) = 0;
};
} // namespace media
#endif // MEDIA_BASE_ANDROID_MEDIA_PLAYER_MANAGER_H_
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