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      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