| /* |
| * Main header file for the ALSA sequencer |
| * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl> |
| * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| #ifndef __SOUND_ASEQUENCER_H |
| #define __SOUND_ASEQUENCER_H |
| |
| #include <linux/ioctl.h> |
| #include <sound/asound.h> |
| #include <uapi/sound/asequencer.h> |
| |
| /* helper macro */ |
| #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce))) |
| |
| /* |
| * type check macros |
| */ |
| /* result events: 0-4 */ |
| #define snd_seq_ev_is_result_type(ev) ((ev)->type < 5) |
| /* channel specific events: 5-19 */ |
| #define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) |
| /* note events: 5-9 */ |
| #define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) |
| /* control events: 10-19 */ |
| #define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) |
| /* queue control events: 30-39 */ |
| #define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) |
| /* system status messages */ |
| #define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) |
| /* sample messages */ |
| #define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) |
| /* user-defined messages */ |
| #define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) |
| /* fixed length events: 0-99 */ |
| #define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100) |
| /* variable length events: 130-139 */ |
| #define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) |
| /* reserved for kernel */ |
| #define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150) |
| |
| /* direct dispatched events */ |
| #define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) |
| |
| /* |
| * macros to check event flags |
| */ |
| /* prior events */ |
| #define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) |
| |
| /* event length type */ |
| #define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) |
| #define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) |
| #define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) |
| #define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) |
| |
| /* time-stamp type */ |
| #define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) |
| #define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) |
| #define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) |
| |
| /* time-mode type */ |
| #define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) |
| #define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) |
| #define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) |
| |
| /* queue sync port */ |
| #define snd_seq_queue_sync_port(q) ((q) + 16) |
| |
| #endif /* __SOUND_ASEQUENCER_H */ |