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/*
* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
//#define USE_ERROR
//#define USE_TRACE
#if USE_PLATFORM_MIDI_OUT == TRUE
#include "PLATFORM_API_MacOSX_MidiUtils.h"
char* MIDI_OUT_GetErrorStr(INT32 err) {
return (char *) MIDI_Utils_GetErrorMsg((int) err);
}
INT32 MIDI_OUT_GetNumDevices() {
return MIDI_Utils_GetNumDevices(MIDI_OUT);
}
INT32 MIDI_OUT_GetDeviceName(INT32 deviceID, char *name, UINT32 nameLength) {
return MIDI_Utils_GetDeviceName(MIDI_OUT, deviceID, name, nameLength);
}
INT32 MIDI_OUT_GetDeviceVendor(INT32 deviceID, char *name, UINT32 nameLength) {
return MIDI_Utils_GetDeviceVendor(MIDI_OUT, deviceID, name, nameLength);
}
INT32 MIDI_OUT_GetDeviceDescription(INT32 deviceID, char *name, UINT32 nameLength) {
return MIDI_Utils_GetDeviceDescription(MIDI_OUT, deviceID, name, nameLength);
}
INT32 MIDI_OUT_GetDeviceVersion(INT32 deviceID, char *name, UINT32 nameLength) {
return MIDI_Utils_GetDeviceVersion(MIDI_OUT, deviceID, name, nameLength);
}
/* *************************** MidiOutDevice implementation ***************************************** */
INT32 MIDI_OUT_OpenDevice(INT32 deviceID, MidiDeviceHandle** handle) {
TRACE1("MIDI_OUT_OpenDevice: deviceID: %d\n", (int) deviceID);
/* queue sizes are ignored for MIDI_OUT only (uses STREAMS) */
return MIDI_Utils_OpenDevice(MIDI_OUT, deviceID, (MacMidiDeviceHandle**) handle, 0, 0, 0);
}
INT32 MIDI_OUT_CloseDevice(MidiDeviceHandle* handle) {
TRACE0("MIDI_OUT_CloseDevice\n");
// issue a "SUSTAIN OFF" message to each MIDI channel, 0 to 15.
// "CONTROL CHANGE" is 176, "SUSTAIN CONTROLLER" is 64, and the value is 0.
// $$fb 2002-04-04: It is responsability of the application developer to
// leave the device in a consistent state. So I put this in comments
/*
for (channel = 0; channel < 16; channel++)
MIDI_OUT_SendShortMessage(deviceHandle, (unsigned char)(176 + channel),
(unsigned char)64, (unsigned char)0, (UINT32)-1);
*/
return MIDI_Utils_CloseDevice((MacMidiDeviceHandle*) handle);
}
INT64 MIDI_OUT_GetTimeStamp(MidiDeviceHandle* handle) {
return MIDI_Utils_GetTimeStamp((MacMidiDeviceHandle*) handle);
}
INT32 MIDI_OUT_SendShortMessage(MidiDeviceHandle* handle, UINT32 packedMsg, UINT32 timestamp) {
OSStatus err = noErr;
TRACE2("> MIDI_OUT_SendShortMessage %x, time: %d\n", (uint) packedMsg, (int) timestamp);
if (!handle) {
ERROR0("< ERROR: MIDI_OUT_SendShortMessage: handle is NULL\n");
return MIDI_INVALID_HANDLE;
}
MacMidiDeviceHandle* macHandle = (MacMidiDeviceHandle*) handle;
UInt8 mBuffers[100];
MIDIPacketList* packetList = (MIDIPacketList*) mBuffers;
MIDIPacket* packet;
UINT32 nData;
Byte data[3] = {packedMsg & 0xFF, (packedMsg >> 8) & 0xFF, (packedMsg >> 16) & 0xFF};
bool byteIsInvalid = FALSE;
packet = MIDIPacketListInit(packetList);
switch (data[0] & 0xF0) {
case 0x80: // Note off
case 0x90: // Note on
case 0xA0: // Aftertouch
case 0xB0: // Controller
case 0xE0: // Pitch wheel
nData = 3;
break;
case 0xC0: // Program change
case 0xD0: // Channel pressure
nData = 2;
break;
case 0xF0: {
// System common message
switch (data[0]) {
case 0xF0:
case 0xF7:
// System exclusive
fprintf(stderr, "%s: %d->internal error: sysex message status=0x%X while sending short message\n",
__FILE__, __LINE__, data[0]);
byteIsInvalid = TRUE;
break;
case 0xF1: // MTC quarter frame message
//fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: MTC quarter frame message....\n");
nData = 2;
break;
case 0xF3: // Song select
//fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: Song select....\n");
nData = 2;
break;
case 0xF2: // Song position pointer
//fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: Song position pointer....\n");
nData = 3;
break;
case 0xF6: // Tune request
//fprintf(stderr, ">>>MIDI_OUT_SendShortMessage: Tune request....\n");
nData = 1;
break;
default:
// Invalid message
fprintf(stderr, "%s: %d->Invalid message: message status=0x%X while sending short message\n",
__FILE__, __LINE__, data[0]);
byteIsInvalid = TRUE;
break;
}
break;
}
default:
// This can't happen, but handle it anyway.
fprintf(stderr, "%s: %d->Invalid message: message status=0x%X while sending short message\n",
__FILE__, __LINE__, data[0]);
byteIsInvalid = TRUE;
break;
}
if (byteIsInvalid) return -1;
MIDIPacketListAdd(packetList, sizeof(mBuffers), packet, 0, nData, data);
err = MIDISend(macHandle->port, (MIDIEndpointRef) (intptr_t) handle->deviceHandle, packetList);
MIDI_CHECK_ERROR;
TRACE0("< MIDI_OUT_SendShortMessage\n");
return (err == noErr ? MIDI_SUCCESS : -1);
}
INT32 MIDI_OUT_SendLongMessage(MidiDeviceHandle* handle, UBYTE* data, UINT32 size, UINT32 timestamp) {
OSStatus err = noErr;
TRACE2("> MIDI_OUT_SendLongMessage size %d, time: %d\n", (int) size, (int) timestamp);
if (!handle || !data) {
ERROR0("< ERROR: MIDI_OUT_SendLongMessage: handle, or data is NULL\n");
return MIDI_INVALID_HANDLE;
}
if (size == 0) {
return MIDI_SUCCESS;
}
MacMidiDeviceHandle* macHandle = (MacMidiDeviceHandle*) handle;
UInt8 mBuffers[8196];
MIDIPacketList* packetList = (MIDIPacketList*) mBuffers;
MIDIPacket* packet = NULL;
UINT32 remaining = size;
UINT32 increment = 512;
UINT32 nData;
handle->isWaiting = TRUE;
while (remaining > 0) {
if (packet == NULL) {
packet = MIDIPacketListInit(packetList);
}
if (remaining > increment) {
nData = increment;
} else {
nData = remaining;
}
// Copies the bytes to our current packet.
if ((packet = MIDIPacketListAdd(packetList, sizeof(mBuffers), packet, 0, nData, (const Byte*) data)) == NULL) {
// Packet list is full, send it.
err = MIDISend(macHandle->port, (MIDIEndpointRef) (intptr_t) handle->deviceHandle, packetList);
if (err != noErr) {
break;
}
} else {
// Moves the data pointer to the next segment.
data += nData;
remaining -= nData;
packet = MIDIPacketNext(packet);
}
}
MIDI_CHECK_ERROR;
handle->isWaiting = FALSE;
TRACE0("< MIDI_OUT_SendLongMessage\n");
return (err == noErr ? MIDI_SUCCESS : -1);
}
#endif /* USE_PLATFORM_MIDI_OUT */