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      1 /*----------------------------------------------------------------------------
      2  *
      3  * File:
      4  * eas_xmf.h
      5  *
      6  * Contents and purpose:
      7  * XMF Type 0 and 1 File Parser
      8  *
      9  * Copyright Sonic Network Inc. 2005
     10 
     11  * Licensed under the Apache License, Version 2.0 (the "License");
     12  * you may not use this file except in compliance with the License.
     13  * You may obtain a copy of the License at
     14  *
     15  *      http://www.apache.org/licenses/LICENSE-2.0
     16  *
     17  * Unless required by applicable law or agreed to in writing, software
     18  * distributed under the License is distributed on an "AS IS" BASIS,
     19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     20  * See the License for the specific language governing permissions and
     21  * limitations under the License.
     22  *
     23  *----------------------------------------------------------------------------
     24  * Revision Control:
     25  *   $Revision: 82 $
     26  *   $Date: 2006-07-10 11:45:19 -0700 (Mon, 10 Jul 2006) $
     27  *----------------------------------------------------------------------------
     28 */
     29 
     30 #ifndef _EAS_XMF_H
     31 #define _EAS_XMF_H
     32 
     33 #ifndef MAX_XMF_STREAMS
     34 #define MAX_XMF_STREAMS             16
     35 #endif
     36 
     37 /* offsets in to the XMF file */
     38 #define XMF_OFS_HEADER_SIZE         4
     39 #define XMF_OFS_FILE_TYPE           8
     40 #define XMF_OFS_NUM_TRACKS          10
     41 
     42 /* size of chunk info (chunk ID + chunk size) */
     43 #define XMF_CHUNK_INFO_SIZE         8
     44 
     45 /* 'MTrk' track chunk ID */
     46 #define XMF_CHUNK_TYPE_TRACK        0x4d54726bL
     47 
     48 /* some useful meta-events */
     49 #define XMF_META_END_OF_TRACK       0x2f
     50 #define XMF_META_TEMPO              0x51
     51 
     52 /* default timebase (120BPM) */
     53 #define XMF_DEFAULT_TIMEBASE        500000L
     54 
     55 /* value for pXMFStream->ticks to signify end of track */
     56 #define XMF_END_OF_TRACK            0xffffffff
     57 
     58 #endif /* end _EAS_XMF_H */
     59 
     60 
     61