| | 1 | /* |
| | 2 | * Main header file for the ALSA sequencer |
| | 3 | * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl> |
| | 4 | * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz> |
| | 5 | * |
| | 6 | * |
| | 7 | * This program is free software; you can redistribute it and/or modify |
| | 8 | * it under the terms of the GNU General Public License as published by |
| | 9 | * the Free Software Foundation; either version 2 of the License, or |
| | 10 | * (at your option) any later version. |
| | 11 | * |
| | 12 | * This program is distributed in the hope that it will be useful, |
| | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 15 | * GNU General Public License for more details. |
| | 16 | * |
| | 17 | * You should have received a copy of the GNU General Public License |
| | 18 | * along with this program; if not, write to the Free Software |
| | 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| | 20 | * |
| | 21 | */ |
| | 22 | #ifndef __SOUND_ASEQUENCER_H |
| | 23 | #define __SOUND_ASEQUENCER_H |
| | 24 | |
| | 25 | #include <linux/ioctl.h> |
| | 26 | #include <sound/asound.h> |
| | 27 | #include <uapi/sound/asequencer.h> |
| | 28 | |
| | 29 | /* helper macro */ |
| | 30 | #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce))) |
| | 31 | |
| | 32 | /* |
| | 33 | * type check macros |
| | 34 | */ |
| | 35 | /* result events: 0-4 */ |
| | 36 | #define snd_seq_ev_is_result_type(ev) ((ev)->type < 5) |
| | 37 | /* channel specific events: 5-19 */ |
| | 38 | #define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) |
| | 39 | /* note events: 5-9 */ |
| | 40 | #define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) |
| | 41 | /* control events: 10-19 */ |
| | 42 | #define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) |
| | 43 | /* queue control events: 30-39 */ |
| | 44 | #define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) |
| | 45 | /* system status messages */ |
| | 46 | #define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) |
| | 47 | /* sample messages */ |
| | 48 | #define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) |
| | 49 | /* user-defined messages */ |
| | 50 | #define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) |
| | 51 | /* fixed length events: 0-99 */ |
| | 52 | #define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100) |
| | 53 | /* variable length events: 130-139 */ |
| | 54 | #define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) |
| | 55 | /* reserved for kernel */ |
| | 56 | #define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150) |
| | 57 | |
| | 58 | /* direct dispatched events */ |
| | 59 | #define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) |
| | 60 | |
| | 61 | /* |
| | 62 | * macros to check event flags |
| | 63 | */ |
| | 64 | /* prior events */ |
| | 65 | #define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) |
| | 66 | |
| | 67 | /* event length type */ |
| | 68 | #define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) |
| | 69 | #define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) |
| | 70 | #define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) |
| | 71 | #define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) |
| | 72 | |
| | 73 | /* time-stamp type */ |
| | 74 | #define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) |
| | 75 | #define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) |
| | 76 | #define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) |
| | 77 | |
| | 78 | /* time-mode type */ |
| | 79 | #define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) |
| | 80 | #define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) |
| | 81 | #define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) |
| | 82 | |
| | 83 | /* queue sync port */ |
| | 84 | #define snd_seq_queue_sync_port(q) ((q) + 16) |
| | 85 | |
| | 86 | #endif /* __SOUND_ASEQUENCER_H */ |
projects / linux-2.6-block.git / blame_incremental