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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | /* * OSS compatible sequencer driver * * seq_oss_event.h - OSS event queue record * * Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de> * * 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 __SEQ_OSS_EVENT_H #define __SEQ_OSS_EVENT_H #include "seq_oss_device.h" #define SHORT_EVENT_SIZE 4 #define LONG_EVENT_SIZE 8 /* short event (4bytes) */ struct evrec_short { unsigned char code; unsigned char parm1; unsigned char dev; unsigned char parm2; }; /* short note events (4bytes) */ struct evrec_note { unsigned char code; unsigned char chn; unsigned char note; unsigned char vel; }; /* long timer events (8bytes) */ struct evrec_timer { unsigned char code; unsigned char cmd; unsigned char dummy1, dummy2; unsigned int time; }; /* long extended events (8bytes) */ struct evrec_extended { unsigned char code; unsigned char cmd; unsigned char dev; unsigned char chn; unsigned char p1, p2, p3, p4; }; /* long channel events (8bytes) */ struct evrec_long { unsigned char code; unsigned char dev; unsigned char cmd; unsigned char chn; unsigned char p1, p2; unsigned short val; }; /* channel voice events (8bytes) */ struct evrec_voice { unsigned char code; unsigned char dev; unsigned char cmd; unsigned char chn; unsigned char note, parm; unsigned short dummy; }; /* sysex events (8bytes) */ struct evrec_sysex { unsigned char code; unsigned char dev; unsigned char buf[6]; }; /* event record */ union evrec { struct evrec_short s; struct evrec_note n; struct evrec_long l; struct evrec_voice v; struct evrec_timer t; struct evrec_extended e; struct evrec_sysex x; unsigned int echo; unsigned char c[LONG_EVENT_SIZE]; }; #define ev_is_long(ev) ((ev)->s.code >= 128) #define ev_length(ev) ((ev)->s.code >= 128 ? LONG_EVENT_SIZE : SHORT_EVENT_SIZE) int snd_seq_oss_process_event(struct seq_oss_devinfo *dp, union evrec *q, struct snd_seq_event *ev); int snd_seq_oss_process_timer_event(struct seq_oss_timer *rec, union evrec *q); int snd_seq_oss_event_input(struct snd_seq_event *ev, int direct, void *private_data, int atomic, int hop); #endif /* __SEQ_OSS_EVENT_H */ |