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1fc8a8f234
The Core MIDI MIDIPacket struct is declared with a 256-byte data array, but this is just for convenience. There may be only one accessible byte, or there may be more than 256. Only read 'length' bytes from the packet, and correctly handle a length > 256. Signed-off-by: Brendan Shanks <bshanks@codeweavers.com> Signed-off-by: Andrew Eikum <aeikum@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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* Wine Midi driver for Mac OS X
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*
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* Copyright 2006 Emmanuel Maillard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <CoreMIDI/CoreMIDI.h>
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#include <mach/mach_time.h>
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#include "coremidi.h"
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MIDIClientRef CoreMIDI_CreateClient(CFStringRef name)
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{
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MIDIClientRef client = 0;
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if (MIDIClientCreate(name, NULL /* FIXME use notify proc */, NULL, &client) != noErr)
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return 0;
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return client;
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}
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void CoreMIDI_GetObjectName(MIDIObjectRef obj, char *name, int size)
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{
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OSStatus err = noErr;
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CFStringRef cfname;
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err = MIDIObjectGetStringProperty(obj, kMIDIPropertyName, &cfname);
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if (err == noErr)
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{
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CFStringGetCString(cfname, name, size, kCFStringEncodingASCII);
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CFRelease(cfname);
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}
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}
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/*
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* CoreMIDI IO threaded callback,
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* we can't call Wine debug channels, critical section or anything using NtCurrentTeb here.
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*/
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void MIDIIn_ReadProc(const MIDIPacketList *pktlist, void *refCon, void *connRefCon)
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{
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unsigned int i;
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MIDIPacket *packet = (MIDIPacket *)pktlist->packet;
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for (i = 0; i < pktlist->numPackets; ++i) {
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UInt16 devID = *((UInt16 *)connRefCon);
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MIDIIn_SendMessage(devID, packet->data, packet->length);
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packet = MIDIPacketNext(packet);
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}
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}
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void MIDIOut_Send(MIDIPortRef port, MIDIEndpointRef dest, UInt8 *buffer, unsigned length)
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{
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Byte packetBuff[512];
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MIDIPacketList *packetList = (MIDIPacketList *)packetBuff;
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MIDIPacket *packet = MIDIPacketListInit(packetList);
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packet = MIDIPacketListAdd(packetList, sizeof(packetBuff), packet, mach_absolute_time(), length, buffer);
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if (packet)
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MIDISend(port, dest, packetList);
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}
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