eas_smfdata.h revision a8c89077d78769bf4840fa91609edc51fe2fa02d
1/*----------------------------------------------------------------------------
2 *
3 * File:
4 * eas_smfdata.h
5 *
6 * Contents and purpose:
7 * SMF File Parser
8 *
9 * This file contains data definitions for the SMF parser.
10 *
11 * Copyright Sonic Network Inc. 2005
12
13 * Licensed under the Apache License, Version 2.0 (the "License");
14 * you may not use this file except in compliance with the License.
15 * You may obtain a copy of the License at
16 *
17 *      http://www.apache.org/licenses/LICENSE-2.0
18 *
19 * Unless required by applicable law or agreed to in writing, software
20 * distributed under the License is distributed on an "AS IS" BASIS,
21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
22 * See the License for the specific language governing permissions and
23 * limitations under the License.
24 *
25 *----------------------------------------------------------------------------
26 * Revision Control:
27 *   $Revision: 686 $
28 *   $Date: 2007-05-03 14:10:54 -0700 (Thu, 03 May 2007) $
29 *----------------------------------------------------------------------------
30*/
31
32#ifndef _EAS_SMF_DATA_H
33#define _EAS_SMF_DATA_H
34
35#ifndef MAX_SMF_STREAMS
36#define MAX_SMF_STREAMS             128
37#endif
38
39/* offsets in to the SMF file */
40#define SMF_OFS_HEADER_SIZE         4
41#define SMF_OFS_FILE_TYPE           8
42#define SMF_OFS_NUM_TRACKS          10
43
44/* size of chunk info (chunk ID + chunk size) */
45#define SMF_CHUNK_INFO_SIZE         8
46
47/* 'MTrk' track chunk ID */
48#define SMF_CHUNK_TYPE_TRACK        0x4d54726bL
49
50/* some useful meta-events */
51#define SMF_META_TEXT               0x01
52#define SMF_META_COPYRIGHT          0x02
53#define SMF_META_SEQTRK_NAME        0x03
54#define SMF_META_LYRIC              0x05
55#define SMF_META_END_OF_TRACK       0x2f
56#define SMF_META_TEMPO              0x51
57#define SMF_META_TIME_SIGNATURE     0x58
58
59/* default timebase (120BPM) */
60#define SMF_DEFAULT_TIMEBASE        500000L
61
62/* value for pSMFStream->ticks to signify end of track */
63#define SMF_END_OF_TRACK            0xffffffff
64
65#endif
66
67