changed media kit internal messaging and notification support
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1338 a95241bf-73f2-0310-859d-f6bbb57e9c96
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beveloper
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/*
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* Copyright 2002, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _DATA_EXCHANGE_H
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#define _DATA_EXCHANGE_H
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#include <MediaDefs.h>
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#include <MediaNode.h>
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#include <MediaAddOn.h>
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#include <Entry.h>
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namespace BPrivate {
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namespace media {
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namespace dataexchange {
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struct reply_data;
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struct request_data;
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// BMessage based data exchange with the media_server
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status_t SendToServer(BMessage *msg);
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status_t QueryServer(BMessage *request, BMessage *reply);
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// BMessage based data exchange with the media_addon_server
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status_t SendToAddonServer(BMessage *msg);
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// Raw data based data exchange with the media_server
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status_t SendToServer(int32 msgcode, void *msg, int size);
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status_t QueryServer(int32 msgcode, const request_data *request, int requestsize, reply_data *reply, int replysize);
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// Raw data based data exchange with the media_addon_server
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status_t SendToAddonServer(int32 msgcode, void *msg, int size);
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status_t QueryAddonServer(int32 msgcode, const request_data *request, int requestsize, reply_data *reply, int replysize);
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// Raw data based data exchange with the media_server
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status_t SendToPort(port_id sendport, int32 msgcode, void *msg, int size);
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status_t QueryPort(port_id requestport, int32 msgcode, const request_data *request, int requestsize, reply_data *reply, int replysize);
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// The base struct used for all raw requests
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struct request_data
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{
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port_id reply_port;
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void SendReply(reply_data *reply, int replysize) const;
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};
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// The base struct used for all raw replys
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struct reply_data
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{
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status_t result;
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};
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}; // dataexchange
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}; // media
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}; // BPrivate
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using namespace BPrivate::media::dataexchange;
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enum {
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// BMediaRoster notification service
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MEDIA_SERVER_REQUEST_NOTIFICATIONS = 1000,
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MEDIA_SERVER_CANCEL_NOTIFICATIONS,
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MEDIA_SERVER_SEND_NOTIFICATIONS
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};
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struct request_addonserver_instantiate_dormant_node : public request_data
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{
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dormant_node_info info;
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};
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struct reply_addonserver_instantiate_dormant_node : public reply_data
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{
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media_node node;
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};
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#endif // _DATA_EXCHANGE_H
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@@ -1,79 +0,0 @@
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/*
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* Copyright 2002, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _NOTIFICATION_MANAGER_H
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#define _NOTIFICATION_MANAGER_H
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namespace BPrivate {
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namespace media {
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class NotificationManager
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{
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public:
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enum notification_type_mask
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{
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notification_no_mask = 0,
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notification_node_created = (1 << 0),
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notification_node_deleted = (1 << 1),
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notification_connection_made = (1 << 2),
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notification_connection_broken = (1 << 3),
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notification_buffer_created = (1 << 4),
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notification_buffer_deleted = (1 << 5),
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notification_transport_state = (1 << 6),
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notification_parameter_changed = (1 << 7),
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notification_format_change = (1 << 8),
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notification_web_changed = (1 << 9),
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notification_default_changed = (1 << 10),
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notification_new_parameter_value= (1 << 11),
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notification_node_stopped = (1 << 12),
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notification_flavors_changed = (1 << 13),
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notification_error = (1 << 31), // XXX, um well... always allow error notifications? Handled in the server
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notification_basic = (notification_node_created | notification_node_deleted | notification_connection_made | notification_connection_broken),
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notification_wildcard = (0xffffffff - notification_error) // exclude error, it is handled in the server
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};
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public:
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NotificationManager();
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~NotificationManager();
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status_t Register(const BMessenger ¬ifyHandler, const media_node &node, notification_type_mask mask);
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status_t Unregister(const BMessenger ¬ifyHandler, const media_node &node, notification_type_mask mask);
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status_t ReportError(const media_node &node, BMediaNode::node_error what, const BMessage * info);
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void NodesCreated(const media_node_id *ids, int32 count);
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void NodesDeleted(const media_node_id *ids, int32 count);
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void ConnectionMade(const media_input &input, const media_output &output, const media_format &format);
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void ConnectionBroken(const media_source &source, const media_destination &destination);
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void BuffersCreated(); // XXX fix
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void BuffersDeleted(const media_buffer_id *ids, int32 count);
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// XXX header file lists: B_MEDIA_TRANSPORT_STATE, /* "state", "location", "realtime" */
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void FormatChanged(const media_source &source, const media_destination &destination, const media_format &format);
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status_t ParameterChanged(const media_node &node, int32 parameterid);
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void WebChanged(const media_node &node); // XXX fix
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// XXX header file lists: B_MEDIA_DEFAULT_CHANGED /* "default", "node" -- handled by BMediaRoster */
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status_t NewParameterValue(const media_node &node, int32 parameterid, bigtime_t when, const void *param, size_t paramsize);
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void FlavorsChanged(media_addon_id addonis, int32 newcount, int32 gonecount);
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void NodeStopped(const media_node &node, bigtime_t when); // XXX fix
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static bool IsValidNotificationType(int32 notificationType);
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static notification_type_mask NotificationType2Mask(int32 notificationType);
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private:
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status_t SendMessageToMediaServer(BMessage *msg);
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private:
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BMessenger *fMessenger;
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};
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}; // namespace media
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}; // namespace BPrivate
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#define NOTIFICATION_PARAM_WHAT "be:media:internal:what"
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#define NOTIFICATION_PARAM_MASK "be:media:internal:mask"
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extern BPrivate::media::NotificationManager *_NotificationManager;
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#endif // _NOTIFICATION_MANAGER_H
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@@ -0,0 +1,87 @@
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/*
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* Copyright 2002, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _NOTIFICATIONS_H
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#define _NOTIFICATIONS_H
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namespace BPrivate {
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namespace media {
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namespace notifications {
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/*
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* This are the possible notifications that can be watched.
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* The notifications marked with "N" are only send when the
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* media_node specific BMediaRoster::StartWatching() is used
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* and the notification belongs to the watched node.
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*
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* In addition, anyone watching a specific node will also receive
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* error notifications generated by BMediaNode::ReportError()
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*
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* B_MEDIA_WILDCARD used to match any notification in Start/StopWatching
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* B_MEDIA_NODE_CREATED "media_node_id" (multiple items)
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* B_MEDIA_NODE_DELETED "media_node_id" (multiple items)
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* B_MEDIA_CONNECTION_MADE "output", "input", "format"
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* B_MEDIA_CONNECTION_BROKEN "source", "destination"
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* B_MEDIA_BUFFER_CREATED "clone_info" -- handled by BMediaRoster
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* B_MEDIA_BUFFER_DELETED "media_buffer_id" -- handled by BMediaRoster
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* B_MEDIA_TRANSPORT_STATE "state", "location", "realtime"
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* B_MEDIA_PARAMETER_CHANGED N "node", "parameter"
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* B_MEDIA_FORMAT_CHANGED N "source", "destination", "format"
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* B_MEDIA_WEB_CHANGED N "node"
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* B_MEDIA_DEFAULT_CHANGED "default", "node" -- handled by BMediaRoster
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* B_MEDIA_NEW_PARAMETER_VALUE N "node", "parameter", "when", "value"
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* B_MEDIA_NODE_STOPPED N "node", "when"
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* B_MEDIA_FLAVORS_CHANGED "be:addon_id", "be:new_count", "be:gone_count"
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*/
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// used for BMediaRoster::StartWatching() parameter validation
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bool IsValidNotificationRequest(bool node_specific, int32 notification);
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// called by BMediaRoster::StartWatching()
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status_t Register(const BMessenger ¬ifyHandler, const media_node &node, int32 notification);
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// called by BMediaRoster::StopWatching()
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status_t Unregister(const BMessenger ¬ifyHandler, const media_node &node, int32 notification);
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// called by BMediaNode::ReportError()
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status_t ReportError(const media_node &node, BMediaNode::node_error what, const BMessage * info);
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void NodesCreated(const media_node_id *ids, int32 count);
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void NodesDeleted(const media_node_id *ids, int32 count);
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void ConnectionMade(const media_input &input, const media_output &output, const media_format &format);
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void ConnectionBroken(const media_source &source, const media_destination &destination);
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void BuffersCreated(area_info *areas, int32 count);
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void BuffersDeleted(const media_buffer_id *ids, int32 count);
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// called by BMediaNode::NodeStopped()
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void NodeStopped(const media_node &node, bigtime_t when);
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// called by BControllable::BroadcastChangedParameter()
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status_t ParameterChanged(const media_node &node, int32 parameterid);
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// called by BControllable::SetParameterWeb()
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void WebChanged(const media_node &node);
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// called by BControllable::BroadcastNewParameterValue()
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status_t NewParameterValue(const media_node &node, int32 parameterid, bigtime_t when, const void *param, size_t paramsize);
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// called by the media_addon_server AFTER a flavor change has been
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// handled. NOT CALLED by BMediaAddOn::NotifyFlavorChange()
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void FlavorsChanged(media_addon_id addonid, int32 newcount, int32 gonecount);
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void FormatChanged(const media_source &source, const media_destination &destination, const media_format &format);
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// XXX missing: B_MEDIA_TRANSPORT_STATE /* "state", "location", "realtime" */
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// XXX missing: B_MEDIA_DEFAULT_CHANGED /* "default", "node" */
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}; // namespace notifications
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}; // namespace media
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}; // namespace BPrivate
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#define NOTIFICATION_PARAM_WHAT "be:media:internal:what"
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#define NOTIFICATION_PARAM_TEAM "be:media:internal:team"
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#define NOTIFICATION_PARAM_MESSENGER "be:media:internal:messenger"
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#endif // _NOTIFICATIONS_H
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