88 lines
3.8 KiB
C++
88 lines
3.8 KiB
C++
/*
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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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