64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* ALSA SEQ < - > JACK MIDI bridge
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*
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* Copyright (c) 2006,2007 Dmitry S. Baikov <c0ff@konstruktiv.org>
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* Copyright (c) 2007,2008,2009 Nedko Arnaudov <nedko@arnaudov.name>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdbool.h>
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#include <semaphore.h>
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#include <alsa/asoundlib.h>
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#include <jack/jack.h>
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#include <jack/ringbuffer.h>
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#include "list.h"
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#include "structs.h"
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#include "port_hash.h"
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static inline
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int
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a2j_port_hash(
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snd_seq_addr_t addr)
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{
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return (addr.client + addr.port) % PORT_HASH_SIZE;
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}
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struct a2j_port *
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a2j_port_get(
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a2j_port_hash_t hash,
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snd_seq_addr_t addr)
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{
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struct a2j_port **pport = &hash[a2j_port_hash(addr)];
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while (*pport) {
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struct a2j_port *port = *pport;
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if (port->remote.client == addr.client && port->remote.port == addr.port)
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return port;
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pport = &port->next;
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}
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return NULL;
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}
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void
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a2j_port_insert(
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a2j_port_hash_t hash,
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struct a2j_port * port)
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{
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struct a2j_port **pport = &hash[a2j_port_hash(port->remote)];
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port->next = *pport;
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*pport = port;
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}
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