1 /*---------------------------------------------------------------------------- 2 * 3 * File: 4 * jet_data.h 5 * 6 * Contents and purpose: 7 * Internal data structures and interfaces for JET 8 * 9 * Copyright (c) 2006 Sonic Network Inc. 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 * Revision Control: 24 * $Revision: 554 $ 25 * $Date: 2007-02-02 11:06:10 -0800 (Fri, 02 Feb 2007) $ 26 *---------------------------------------------------------------------------- 27 */ 28 29 #ifndef _JET_DATA_H 30 #define _JET_DATA_H 31 32 #include "eas.h" 33 #include "jet.h" 34 35 /* maximum number of segments allowed in a JET file */ 36 #ifndef JET_MAX_SEGMENTS 37 #define JET_MAX_SEGMENTS 32 38 #endif 39 40 /* maximum number of DLS collections allowed in a JET file */ 41 #ifndef JET_MAX_DLS_COLLECTIONS 42 #define JET_MAX_DLS_COLLECTIONS 4 43 #endif 44 45 /* maximum number of JET events in internal queue */ 46 #ifndef JET_EVENT_QUEUE_SIZE 47 #define JET_EVENT_QUEUE_SIZE 32 48 #endif 49 50 /* maximum number of JET events in application queue */ 51 #ifndef APP_EVENT_QUEUE_SIZE 52 #define APP_EVENT_QUEUE_SIZE 32 53 #endif 54 55 /* maximum number of active mute events */ 56 #ifndef JET_MUTE_QUEUE_SIZE 57 #define JET_MUTE_QUEUE_SIZE 8 58 #endif 59 60 /*---------------------------------------------------------------------------- 61 * JET event definitions 62 *---------------------------------------------------------------------------- 63 */ 64 #define JET_EVENT_APP_LOW 80 65 #define JET_EVENT_APP_HIGH 83 66 #define JET_EVENT_LOW 102 67 #define JET_EVENT_HIGH 119 68 #define JET_EVENT_MARKER 102 69 #define JET_EVENT_TRIGGER_CLIP 103 70 71 #define JET_MARKER_LOOP_END 0 72 73 #define JET_CLIP_ACTIVE_FLAG 0x80 74 #define JET_CLIP_TRIGGER_FLAG 0x40 75 #define JET_CLIP_ID_MASK 0x3f 76 77 /*---------------------------------------------------------------------------- 78 * JET file definitions 79 *---------------------------------------------------------------------------- 80 */ 81 #define JET_TAG(a,b,c,d) (\ 82 ( ((EAS_U32)(a) & 0xFF) << 24 ) \ 83 + ( ((EAS_U32)(b) & 0xFF) << 16 ) \ 84 + ( ((EAS_U32)(c) & 0xFF) << 8 ) \ 85 + ( ((EAS_U32)(d) & 0xFF))) 86 87 #define JET_VERSION 0x01000000 88 #define JET_HEADER_TAG JET_TAG('J','E','T',' ') 89 #define JET_INFO_CHUNK JET_TAG('J','I','N','F') 90 #define JET_SMF_CHUNK JET_TAG('J','S','M','F') 91 #define JET_DLS_CHUNK JET_TAG('J','D','L','S') 92 #define INFO_JET_COPYRIGHT JET_TAG('J','C','O','P') 93 #define JET_APP_DATA_CHUNK JET_TAG('J','A','P','P') 94 95 #define INFO_NUM_SMF_CHUNKS JET_TAG('S','M','F','#') 96 #define INFO_NUM_DLS_CHUNKS JET_TAG('D','L','S','#') 97 #define INFO_JET_VERSION JET_TAG('J','V','E','R') 98 99 /*---------------------------------------------------------------------------- 100 * S_JET_SEGMENT 101 * 102 * JET segment data 103 *---------------------------------------------------------------------------- 104 */ 105 typedef struct s_jet_segment_tag 106 { 107 EAS_HANDLE streamHandle; 108 EAS_U32 muteFlags; 109 EAS_I16 repeatCount; 110 EAS_U8 userID; 111 EAS_I8 transpose; 112 EAS_I8 libNum; 113 EAS_U8 state; 114 EAS_U8 flags; 115 } S_JET_SEGMENT; 116 117 /* S_JET_SEGMENT.state */ 118 typedef enum 119 { 120 JET_STATE_CLOSED, 121 JET_STATE_OPEN, 122 JET_STATE_READY, 123 JET_STATE_PLAYING, 124 JET_STATE_PAUSED, 125 JET_STATE_STOPPING 126 } E_JET_SEGMENT_STATE; 127 128 /* S_JEG_SEGMENT.flags */ 129 #define JET_SEG_FLAG_MUTE_UPDATE 0x01 130 131 /*---------------------------------------------------------------------------- 132 * S_JET_DATA 133 * 134 * Main JET data structure 135 *---------------------------------------------------------------------------- 136 */ 137 #define SEG_QUEUE_DEPTH 3 138 typedef struct s_jet_data_tag 139 { 140 EAS_FILE_HANDLE jetFileHandle; 141 S_JET_SEGMENT segQueue[SEG_QUEUE_DEPTH]; 142 EAS_I32 segmentOffsets[JET_MAX_SEGMENTS]; 143 EAS_I32 appDataOffset; 144 EAS_I32 appDataSize; 145 EAS_DLSLIB_HANDLE libHandles[JET_MAX_DLS_COLLECTIONS]; 146 EAS_U32 jetEventQueue[JET_EVENT_QUEUE_SIZE]; 147 EAS_U32 appEventQueue[APP_EVENT_QUEUE_SIZE]; 148 S_JET_CONFIG config; 149 EAS_U32 segmentTime; 150 EAS_U8 muteQueue[JET_MUTE_QUEUE_SIZE]; 151 EAS_U8 numSegments; 152 EAS_U8 numLibraries; 153 EAS_U8 flags; 154 EAS_U8 playSegment; 155 EAS_U8 queueSegment; 156 EAS_U8 numQueuedSegments; 157 EAS_U8 jetEventQueueRead; 158 EAS_U8 jetEventQueueWrite; 159 EAS_U8 appEventQueueRead; 160 EAS_U8 appEventQueueWrite; 161 } S_JET_DATA; 162 163 /* flags for S_JET_DATA.flags */ 164 #define JET_FLAGS_PLAYING 1 165 166 #define JET_EVENT_VAL_MASK 0x0000007f /* mask for value */ 167 #define JET_EVENT_CTRL_MASK 0x00003f80 /* mask for controller */ 168 #define JET_EVENT_CHAN_MASK 0x0003c000 /* mask for channel */ 169 #define JET_EVENT_TRACK_MASK 0x00fc0000 /* mask for track number */ 170 #define JET_EVENT_SEG_MASK 0xff000000 /* mask for segment ID */ 171 #define JET_EVENT_CTRL_SHIFT 7 /* shift for controller number */ 172 #define JET_EVENT_CHAN_SHIFT 14 /* shift to for MIDI channel */ 173 #define JET_EVENT_TRACK_SHIFT 18 /* shift to get track ID to bit 0 */ 174 #define JET_EVENT_SEG_SHIFT 24 /* shift to get segment ID to bit 0 */ 175 176 /* prototype for callback function */ 177 extern void JET_Event (EAS_DATA_HANDLE easHandle, EAS_U32 segTrack, EAS_U8 channel, EAS_U8 controller, EAS_U8 value); 178 179 /* prototype for JET render function */ 180 extern EAS_PUBLIC EAS_RESULT JET_Process (EAS_DATA_HANDLE easHandle); 181 182 #endif 183 184
