1 /*
2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 //#define USE_ERROR
27 //#define USE_TRACE
28
29 #if USE_PLATFORM_MIDI_OUT == TRUE
30
31 #include "PLATFORM_API_MacOSX_MidiUtils.h"
32
33 char* MIDI_OUT_GetErrorStr(INT32 err) {
34 return (char *) MIDI_Utils_GetErrorMsg((int) err);
35 }
36
37
38 INT32 MIDI_OUT_GetNumDevices() {
39 return MIDI_Utils_GetNumDevices(MIDI_OUT);
40 }
41
42
43 INT32 MIDI_OUT_GetDeviceName(INT32 deviceID, char *name, UINT32 nameLength) {
44 return MIDI_Utils_GetDeviceName(MIDI_OUT, deviceID, name, nameLength);
45 }
46
47
48 INT32 MIDI_OUT_GetDeviceVendor(INT32 deviceID, char *name, UINT32 nameLength) {
49 return MIDI_Utils_GetDeviceVendor(MIDI_OUT, deviceID, name, nameLength);
50 }
51
52
53 INT32 MIDI_OUT_GetDeviceDescription(INT32 deviceID, char *name, UINT32 nameLength) {
54 return MIDI_Utils_GetDeviceDescription(MIDI_OUT, deviceID, name, nameLength);
55 }
56
57
58 INT32 MIDI_OUT_GetDeviceVersion(INT32 deviceID, char *name, UINT32 nameLength) {
59 return MIDI_Utils_GetDeviceVersion(MIDI_OUT, deviceID, name, nameLength);
60 }
61
62
63 /* *************************** MidiOutDevice implementation ***************************************** */
64
65 INT32 MIDI_OUT_OpenDevice(INT32 deviceID, MidiDeviceHandle** handle) {
66 TRACE1("MIDI_OUT_OpenDevice: deviceID: %d\n", (int) deviceID);
67 /* queue sizes are ignored for MIDI_OUT only (uses STREAMS) */
68 return MIDI_Utils_OpenDevice(MIDI_OUT, deviceID, (MacMidiDeviceHandle**) handle, 0, 0, 0);
69 }
70
71 INT32 MIDI_OUT_CloseDevice(MidiDeviceHandle* handle) {
72 TRACE0("MIDI_OUT_CloseDevice\n");
73
74 // issue a "SUSTAIN OFF" message to each MIDI channel, 0 to 15.
75 // "CONTROL CHANGE" is 176, "SUSTAIN CONTROLLER" is 64, and the value is 0.
76 // $$fb 2002-04-04: It is responsability of the application developer to
77 // leave the device in a consistent state. So I put this in comments
78 /*
79 for (channel = 0; channel < 16; channel++)
80 MIDI_OUT_SendShortMessage(deviceHandle, (unsigned char)(176 + channel),
81 (unsigned char)64, (unsigned char)0, (UINT32)-1);
82 */
83 return MIDI_Utils_CloseDevice((MacMidiDeviceHandle*) handle);
84 }
85
86
87 INT64 MIDI_OUT_GetTimeStamp(MidiDeviceHandle* handle) {
88 return MIDI_Utils_GetTimeStamp((MacMidiDeviceHandle*) handle);
89 }
90
91
92 INT32 MIDI_OUT_SendShortMessage(MidiDeviceHandle* handle, UINT32 packedMsg, UINT32 timestamp) {
93 OSStatus err = noErr;
94
95 TRACE2("> MIDI_OUT_SendShortMessage %x, time: %d\n", (uint) packedMsg, (int) timestamp);
96 if (!handle) {
97 ERROR0("< ERROR: MIDI_OUT_SendShortMessage: handle is NULL\n");
98 return MIDI_INVALID_HANDLE;
99 }
100
101 MacMidiDeviceHandle* macHandle = (MacMidiDeviceHandle*) handle;
102 UInt8 mBuffers[100];
103 MIDIPacketList* packetList = (MIDIPacketList*) mBuffers;
104 MIDIPacket* packet;
105 UINT32 nData;
106 Byte data[3] = {packedMsg & 0xFF, (packedMsg >> 8) & 0xFF, (packedMsg >> 16) & 0xFF};
107 bool byteIsInvalid = FALSE;
108
109 packet = MIDIPacketListInit(packetList);
110 switch (data[0] & 0xF0) {
111 case 0x80: // Note off
112 case 0x90: // Note on
113 case 0xA0: // Aftertouch
114 case 0xB0: // Controller
115 case 0xE0: // Pitch wheel
116 nData = 3;
117 break;
118
119 case 0xC0: // Program change
120 case 0xD0: // Channel pressure
121 nData = 2;
122 break;
123
124 case 0xF0: {
125 // System common message
126 switch (data[0]) {
127 case 0xF0:
128 case 0xF7:
129 // System exclusive
130 fprintf(stderr, "%s: %d->internal error: sysex message status=0x%X while sending short message\n",
131 __FILE__, __LINE__, data[0]);
132 byteIsInvalid = TRUE;
133 break;
134
135 case 0xF1: // MTC quarter frame message
136 //fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: MTC quarter frame message....\n");
137 nData = 2;
138 break;
139 case 0xF3: // Song select
140 //fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: Song select....\n");
141 nData = 2;
142 break;
143
144 case 0xF2: // Song position pointer
145 //fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: Song position pointer....\n");
146 nData = 3;
147 break;
148
149 case 0xF6: // Tune request
150 //fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: Tune request....\n");
151 nData = 1;
152 break;
153
154 default:
155 // Invalid message
156 fprintf(stderr, "%s: %d->Invalid message: message status=0x%X while sending short message\n",
157 __FILE__, __LINE__, data[0]);
158 byteIsInvalid = TRUE;
159 break;
160 }
161 break;
162 }
163
164 default:
165 // This can't happen, but handle it anyway.
166 fprintf(stderr, "%s: %d->Invalid message: message status=0x%X while sending short message\n",
167 __FILE__, __LINE__, data[0]);
168 byteIsInvalid = TRUE;
169 break;
170 }
171
172 if (byteIsInvalid) return -1;
173
174 MIDIPacketListAdd(packetList, sizeof(mBuffers), packet, 0, nData, data);
175 err = MIDISend(macHandle->port, (MIDIEndpointRef) (intptr_t) handle->deviceHandle, packetList);
176
177 MIDI_CHECK_ERROR;
178 TRACE0("< MIDI_OUT_SendShortMessage\n");
179 return (err == noErr ? MIDI_SUCCESS : -1);
180 }
181
182
183 INT32 MIDI_OUT_SendLongMessage(MidiDeviceHandle* handle, UBYTE* data, UINT32 size, UINT32 timestamp) {
184 OSStatus err = noErr;
185
186 TRACE2("> MIDI_OUT_SendLongMessage size %d, time: %d\n", (int) size, (int) timestamp);
187 if (!handle || !data) {
188 ERROR0("< ERROR: MIDI_OUT_SendLongMessage: handle, or data is NULL\n");
189 return MIDI_INVALID_HANDLE;
190 }
191 if (size == 0) {
192 return MIDI_SUCCESS;
193 }
194
195 MacMidiDeviceHandle* macHandle = (MacMidiDeviceHandle*) handle;
196 UInt8 mBuffers[8196];
197 MIDIPacketList* packetList = (MIDIPacketList*) mBuffers;
198 MIDIPacket* packet = NULL;
199 UINT32 remaining = size;
200 UINT32 increment = 512;
201 UINT32 nData;
202
203 handle->isWaiting = TRUE;
204
205 while (remaining > 0) {
206
207 if (packet == NULL) {
208 packet = MIDIPacketListInit(packetList);
209 }
210
211 if (remaining > increment) {
212 nData = increment;
213 } else {
214 nData = remaining;
215 }
216
217 // Copies the bytes to our current packet.
218 if ((packet = MIDIPacketListAdd(packetList, sizeof(mBuffers), packet, 0, nData, (const Byte*) data)) == NULL) {
219 // Packet list is full, send it.
220 err = MIDISend(macHandle->port, (MIDIEndpointRef) (intptr_t) handle->deviceHandle, packetList);
221 if (err != noErr) {
222 break;
223 }
224 } else {
225 // Moves the data pointer to the next segment.
226 data += nData;
227 remaining -= nData;
228 packet = MIDIPacketNext(packet);
229 }
230 }
231
232 MIDI_CHECK_ERROR;
233 handle->isWaiting = FALSE;
234 TRACE0("< MIDI_OUT_SendLongMessage\n");
235 return (err == noErr ? MIDI_SUCCESS : -1);
236 }
237
238 #endif /* USE_PLATFORM_MIDI_OUT */