haiku/src/servers/midi/ServerDefs.h

81 lines
2.3 KiB
C

/*
* Copyright (c) 2002-2003 Matthijs Hollemans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef MIDI_SERVER_DEFS_H
#define MIDI_SERVER_DEFS_H
#include <List.h>
#include <Message.h>
#include <Messenger.h>
#include <String.h>
// Describes an application that registered with the midi_server.
struct app_t
{
// For sending notifications to the app.
BMessenger messenger;
};
// Describes a MIDI endpoint. The endpoint_t structure is
// used to describe both consumer and producer endpoints.
struct endpoint_t
{
#ifdef DEBUG
endpoint_t()
{
app = (app_t*) 0xbaadc0de;
}
#endif
// The application that owns this endpoint.
app_t* app;
// The endpoint's system-wide ID, which is assigned
// by the midi_server when the endpoint is created.
int32 id;
// Is this a consumer or producer endpoint?
bool consumer;
// Whether this endpoint is visible to all applications.
bool registered;
// The endpoint's human-readable name.
BString name;
// User-defined attributes.
BMessage properties;
// The port that accepts MIDI events (consumer only).
port_id port;
// How long it takes this endpoint to process incoming
// MIDI events (consumer only).
bigtime_t latency;
// Which consumers this endpoint sprays outgoing MIDI
// events to (producer only).
BList connections;
};
#endif // MIDI_SERVER_DEFS_H