543 lines
14 KiB
C
543 lines
14 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* Wine Midi mapper driver
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*
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* Copyright 1999, 2000, 2001 Eric Pouech
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*
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* TODO:
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* notification has to be implemented
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* IDF file loading
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "mmddk.h"
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#include "winreg.h"
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#include "debugtools.h"
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/*
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* Here's how Windows stores the midiOut mapping information.
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*
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* Full form (in HKU) is:
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*
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* [Software\\Microsoft\\Windows\\CurrentVersion\\Multimedia\\MIDIMap] 988836060
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* "AutoScheme"=dword:00000000
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* "ConfigureCount"=dword:00000004
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* "CurrentInstrument"="Wine OSS midi"
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* "CurrentScheme"="epp"
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* "DriverList"=""
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* "UseScheme"=dword:00000000
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*
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* AutoScheme: ?
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* CurrentInstrument: name of midiOut device to use when UseScheme is 0. Wine uses an extension
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* of the form #n to link to n'th midiOut device of the system
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* CurrentScheme: when UseScheme is non null, it's the scheme to use (see below)
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* DriverList: ?
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* UseScheme: trigger for simple/complex mapping
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*
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* A scheme is defined (in HKLM) as:
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*
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* [System\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\Midi\\Schemes\\<nameScheme>]
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* <nameScheme>: one key for each defined scheme (system wide)
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* under each one of these <nameScheme> keys, there's:
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* [...\\<nameScheme>\\<idxDevice>]
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* "Channels"="<bitMask>"
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* (the default value of this key also refers to the name of the device).
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*
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* this defines, for each midiOut device (identified by its index in <idxDevice>), which
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* channels have to be mapped onto it. The <bitMask> defines the channels (from 0 to 15)
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* will be mapped (mapping occurs for channel <ch> if bit <ch> is set in <bitMask>
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*
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* Further mapping information can also be defined in:
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* [System\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\Midi\\Ports\\<nameDevice>\\Instruments\\<idx>]
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* "Definition"="<.idf file>"
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* "FriendlyName"="#for .idx file#"
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* "Port"="<idxPort>"
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*
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* This last part isn't implemented (.idf file support).
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*/
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DEFAULT_DEBUG_CHANNEL(msacm);
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typedef struct tagMIDIOUTPORT
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{
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char name[MAXPNAMELEN];
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int loaded;
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HMIDI hMidi;
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unsigned short uDevID;
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LPBYTE lpbPatch;
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unsigned int aChn[16];
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} MIDIOUTPORT;
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typedef struct tagMIDIMAPDATA
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{
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struct tagMIDIMAPDATA* self;
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MIDIOUTPORT* ChannelMap[16];
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} MIDIMAPDATA;
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static MIDIOUTPORT* midiOutPorts;
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static unsigned numMidiOutPorts;
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static BOOL MIDIMAP_IsBadData(MIDIMAPDATA* mm)
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{
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if (!IsBadReadPtr(mm, sizeof(MIDIMAPDATA)) && mm->self == mm)
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return FALSE;
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TRACE("Bad midimap data (%p)\n", mm);
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return TRUE;
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}
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static BOOL MIDIMAP_FindPort(const char* name, unsigned* dev)
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{
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for (*dev = 0; *dev < numMidiOutPorts; (*dev)++)
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{
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TRACE("%s\n", midiOutPorts[*dev].name);
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if (strcmp(midiOutPorts[*dev].name, name) == 0)
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return TRUE;
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}
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/* try the form #nnn */
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if (*name == '#' && isdigit(name[1]))
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{
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*dev = atoi(name + 1);
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if (*dev < numMidiOutPorts)
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return TRUE;
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}
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return FALSE;
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}
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static BOOL MIDIMAP_LoadSettingsDefault(MIDIMAPDATA* mom, const char* port)
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{
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unsigned i, dev = 0;
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if (port != NULL && !MIDIMAP_FindPort(port, &dev))
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{
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ERR("Registry glitch: couldn't find midi out (%s)\n", port);
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dev = 0;
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}
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/* this is necessary when no midi out ports are present */
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if (dev >= numMidiOutPorts)
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return FALSE;
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/* sets default */
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for (i = 0; i < 16; i++) mom->ChannelMap[i] = &midiOutPorts[dev];
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return TRUE;
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}
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static BOOL MIDIMAP_LoadSettingsScheme(MIDIMAPDATA* mom, const char* scheme)
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{
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HKEY hSchemesKey, hKey, hPortKey;
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unsigned i, idx, dev;
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char buffer[256], port[256];
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DWORD type, size, mask;
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for (i = 0; i < 16; i++) mom->ChannelMap[i] = NULL;
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if (RegOpenKeyA(HKEY_LOCAL_MACHINE,
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"System\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\Midi\\Schemes",
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&hSchemesKey))
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{
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return FALSE;
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}
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if (RegOpenKeyA(hSchemesKey, scheme, &hKey))
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{
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RegCloseKey(hSchemesKey);
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return FALSE;
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}
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for (idx = 0; !RegEnumKeyA(hKey, idx, buffer, sizeof(buffer)); idx++)
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{
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if (RegOpenKeyA(hKey, buffer, &hPortKey)) continue;
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size = sizeof(port);
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if (RegQueryValueExA(hPortKey, NULL, 0, &type, port, &size)) continue;
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if (!MIDIMAP_FindPort(port, &dev)) continue;
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size = sizeof(mask);
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if (RegQueryValueExA(hPortKey, "Channels", 0, &type, (void*)&mask, &size))
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continue;
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for (i = 0; i < 16; i++)
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{
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if (mask & (1 << i))
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{
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if (mom->ChannelMap[i])
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ERR("Quirks in registry, channel %u is mapped twice\n", i);
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mom->ChannelMap[i] = &midiOutPorts[dev];
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}
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}
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}
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RegCloseKey(hSchemesKey);
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RegCloseKey(hKey);
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return TRUE;
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}
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static BOOL MIDIMAP_LoadSettings(MIDIMAPDATA* mom)
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{
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HKEY hKey;
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BOOL ret;
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if (RegOpenKeyA(HKEY_CURRENT_USER,
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"Software\\Microsoft\\Windows\\CurrentVersion\\Multimedia\\MIDIMap", &hKey))
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{
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ret = MIDIMAP_LoadSettingsDefault(mom, NULL);
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}
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else
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{
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DWORD type, size, out;
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char buffer[256];
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ret = 2;
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size = sizeof(out);
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if (!RegQueryValueExA(hKey, "UseScheme", 0, &type, (void*)&out, &size) && out)
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{
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size = sizeof(buffer);
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if (!RegQueryValueExA(hKey, "CurrentScheme", 0, &type, buffer, &size))
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{
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if (!(ret = MIDIMAP_LoadSettingsScheme(mom, buffer)))
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ret = MIDIMAP_LoadSettingsDefault(mom, NULL);
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}
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else
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{
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ERR("Wrong registry: UseScheme is active, but no CurrentScheme found\n");
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}
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}
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if (ret == 2)
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{
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size = sizeof(buffer);
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if (!RegQueryValueExA(hKey, "CurrentInstrument", 0, &type, buffer, &size) && *buffer)
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{
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ret = MIDIMAP_LoadSettingsDefault(mom, buffer);
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}
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else
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{
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ret = MIDIMAP_LoadSettingsDefault(mom, NULL);
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}
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}
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}
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RegCloseKey(hKey);
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if (ret && TRACE_ON(msacm))
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{
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unsigned i;
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for (i = 0; i < 16; i++)
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{
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TRACE("chnMap[% 2d] => %d\n",
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i, mom->ChannelMap[i] ? mom->ChannelMap[i]->uDevID : -1);
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}
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}
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return ret;
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}
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static DWORD modOpen(LPDWORD lpdwUser, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
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{
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MIDIMAPDATA* mom = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIMAPDATA));
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TRACE("(%p %p %08lx\n", lpdwUser, lpDesc, dwFlags);
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if (!mom) return MMSYSERR_NOMEM;
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if (MIDIMAP_LoadSettings(mom))
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{
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*lpdwUser = (DWORD)mom;
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mom->self = mom;
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return MMSYSERR_NOERROR;
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}
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HeapFree(GetProcessHeap(), 0, mom);
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return MIDIERR_INVALIDSETUP;
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}
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static DWORD modClose(MIDIMAPDATA* mom)
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{
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UINT i;
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DWORD ret = MMSYSERR_NOERROR;
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if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
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for (i = 0; i < 16; i++)
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{
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DWORD t;
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if (mom->ChannelMap[i] && mom->ChannelMap[i]->loaded > 0)
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{
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t = midiOutClose(mom->ChannelMap[i]->hMidi);
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if (t == MMSYSERR_NOERROR)
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{
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mom->ChannelMap[i]->loaded = 0;
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mom->ChannelMap[i]->hMidi = 0;
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}
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else if (ret == MMSYSERR_NOERROR)
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ret = t;
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}
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}
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if (ret == MMSYSERR_NOERROR)
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HeapFree(GetProcessHeap(), 0, mom);
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return ret;
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}
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static DWORD modLongData(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
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{
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WORD chn;
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DWORD ret = MMSYSERR_NOERROR;
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MIDIHDR mh;
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if (MIDIMAP_IsBadData(mom))
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return MMSYSERR_ERROR;
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mh = *lpMidiHdr;
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for (chn = 0; chn < 16; chn++)
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{
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if (mom->ChannelMap[chn] && mom->ChannelMap[chn]->loaded > 0)
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{
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mh.dwFlags = 0;
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midiOutPrepareHeader(mom->ChannelMap[chn]->hMidi, &mh, sizeof(mh));
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ret = midiOutLongMsg(mom->ChannelMap[chn]->hMidi, &mh, sizeof(mh));
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midiOutUnprepareHeader(mom->ChannelMap[chn]->hMidi, &mh, sizeof(mh));
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if (ret != MMSYSERR_NOERROR) break;
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}
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}
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return ret;
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}
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static DWORD modData(MIDIMAPDATA* mom, DWORD dwParam)
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{
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BYTE lb = LOBYTE(LOWORD(dwParam));
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WORD chn = lb & 0x0F;
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DWORD ret = MMSYSERR_NOERROR;
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if (MIDIMAP_IsBadData(mom))
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return MMSYSERR_ERROR;
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if (!mom->ChannelMap[chn]) return MMSYSERR_NOERROR;
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switch (lb & 0xF0)
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{
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case 0x80:
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case 0x90:
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case 0xA0:
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case 0xB0:
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case 0xC0:
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case 0xD0:
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case 0xE0:
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if (mom->ChannelMap[chn]->loaded == 0)
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{
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if (midiOutOpen(&mom->ChannelMap[chn]->hMidi, mom->ChannelMap[chn]->uDevID,
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0L, 0L, CALLBACK_NULL) == MMSYSERR_NOERROR)
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mom->ChannelMap[chn]->loaded = 1;
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else
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mom->ChannelMap[chn]->loaded = -1;
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/* FIXME: should load here the IDF midi data... and allow channel and
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* patch mappings
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*/
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}
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if (mom->ChannelMap[chn]->loaded > 0)
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{
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/* change channel */
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dwParam &= ~0x0F;
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dwParam |= mom->ChannelMap[chn]->aChn[chn];
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if ((LOBYTE(LOWORD(dwParam)) & 0xF0) == 0xC0 /* program change */ &&
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mom->ChannelMap[chn]->lpbPatch)
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{
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BYTE patch = HIBYTE(LOWORD(dwParam));
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/* change patch */
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dwParam &= ~0x0000FF00;
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dwParam |= mom->ChannelMap[chn]->lpbPatch[patch];
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}
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ret = midiOutShortMsg(mom->ChannelMap[chn]->hMidi, dwParam);
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}
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break;
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case 0xF0:
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for (chn = 0; chn < 16; chn++)
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{
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if (mom->ChannelMap[chn]->loaded > 0)
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ret = midiOutShortMsg(mom->ChannelMap[chn]->hMidi, dwParam);
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}
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break;
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default:
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FIXME("ooch %lu\n", dwParam);
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}
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return ret;
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}
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static DWORD modPrepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
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{
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if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
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if (lpMidiHdr->dwFlags & (MHDR_ISSTRM|MHDR_PREPARED))
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return MMSYSERR_INVALPARAM;
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lpMidiHdr->dwFlags |= MHDR_PREPARED;
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return MMSYSERR_NOERROR;
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}
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static DWORD modUnprepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
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{
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if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
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if ((lpMidiHdr->dwFlags & MHDR_ISSTRM) || !(lpMidiHdr->dwFlags & MHDR_PREPARED))
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return MMSYSERR_INVALPARAM;
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lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
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return MMSYSERR_NOERROR;
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}
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static DWORD modGetDevCaps(UINT wDevID, MIDIMAPDATA* mom, LPMIDIOUTCAPSA lpMidiCaps, DWORD size)
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{
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lpMidiCaps->wMid = 0x00FF;
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lpMidiCaps->wPid = 0x0001;
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lpMidiCaps->vDriverVersion = 0x0100;
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strcpy(lpMidiCaps->szPname, "Wine midi out mapper");
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lpMidiCaps->wTechnology = MOD_MAPPER;
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lpMidiCaps->wVoices = 0;
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lpMidiCaps->wNotes = 0;
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lpMidiCaps->wChannelMask = 0xFFFF;
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lpMidiCaps->dwSupport = 0L;
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return MMSYSERR_NOERROR;
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}
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static DWORD modReset(MIDIMAPDATA* mom)
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{
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WORD chn;
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DWORD ret = MMSYSERR_NOERROR;
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if (MIDIMAP_IsBadData(mom))
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return MMSYSERR_ERROR;
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for (chn = 0; chn < 16; chn++)
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{
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if (mom->ChannelMap[chn] && mom->ChannelMap[chn]->loaded > 0)
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{
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ret = midiOutReset(mom->ChannelMap[chn]->hMidi);
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if (ret != MMSYSERR_NOERROR) break;
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}
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}
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return ret;
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}
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/**************************************************************************
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* modMessage (MIDIMAP.@)
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*/
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DWORD WINAPI MIDIMAP_modMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
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DWORD dwParam1, DWORD dwParam2)
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{
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TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
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wDevID, wMsg, dwUser, dwParam1, dwParam2);
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switch (wMsg)
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{
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case DRVM_INIT:
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case DRVM_EXIT:
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case DRVM_ENABLE:
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case DRVM_DISABLE:
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/* FIXME: Pretend this is supported */
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return 0;
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case MODM_OPEN: return modOpen ((LPDWORD)dwUser, (LPMIDIOPENDESC)dwParam1,dwParam2);
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case MODM_CLOSE: return modClose ((MIDIMAPDATA*)dwUser);
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case MODM_DATA: return modData ((MIDIMAPDATA*)dwUser, dwParam1);
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case MODM_LONGDATA: return modLongData ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
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case MODM_PREPARE: return modPrepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
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case MODM_UNPREPARE: return modUnprepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
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case MODM_RESET: return modReset ((MIDIMAPDATA*)dwUser);
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case MODM_GETDEVCAPS: return modGetDevCaps (wDevID, (MIDIMAPDATA*)dwUser, (LPMIDIOUTCAPSA)dwParam1,dwParam2);
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case MODM_GETNUMDEVS: return 1;
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case MODM_GETVOLUME: return MMSYSERR_NOTSUPPORTED;
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case MODM_SETVOLUME: return MMSYSERR_NOTSUPPORTED;
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default:
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FIXME("unknown message %d!\n", wMsg);
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}
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return MMSYSERR_NOTSUPPORTED;
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}
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/*======================================================================*
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* Driver part *
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*======================================================================*/
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/**************************************************************************
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* MIDIMAP_drvOpen [internal]
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*/
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static DWORD MIDIMAP_drvOpen(LPSTR str)
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{
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MIDIOUTCAPSA moc;
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unsigned dev, i;
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if (midiOutPorts)
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return 0;
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numMidiOutPorts = midiOutGetNumDevs();
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midiOutPorts = HeapAlloc(GetProcessHeap(), 0,
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numMidiOutPorts * sizeof(MIDIOUTPORT));
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for (dev = 0; dev < numMidiOutPorts; dev++)
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{
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if (midiOutGetDevCapsA((HMIDIOUT)dev, &moc, sizeof(moc)) == 0L)
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{
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strcpy(midiOutPorts[dev].name, moc.szPname);
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midiOutPorts[dev].loaded = 0;
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midiOutPorts[dev].hMidi = 0;
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midiOutPorts[dev].uDevID = 0;
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midiOutPorts[dev].lpbPatch = NULL;
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for (i = 0; i < 16; i++)
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midiOutPorts[dev].aChn[i] = i;
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}
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else
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{
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midiOutPorts[dev].loaded = -1;
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}
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}
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return 1;
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}
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/**************************************************************************
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* MIDIMAP_drvClose [internal]
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*/
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static DWORD MIDIMAP_drvClose(DWORD dwDevID)
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{
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if (midiOutPorts)
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{
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HeapFree(GetProcessHeap(), 0, midiOutPorts);
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midiOutPorts = NULL;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* DriverProc (MIDIMAP.@)
|
|
*/
|
|
LONG CALLBACK MIDIMAP_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
|
|
DWORD dwParam1, DWORD dwParam2)
|
|
{
|
|
/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
|
|
/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
|
|
|
|
switch (wMsg)
|
|
{
|
|
case DRV_LOAD: return 1;
|
|
case DRV_FREE: return 1;
|
|
case DRV_OPEN: return MIDIMAP_drvOpen((LPSTR)dwParam1);
|
|
case DRV_CLOSE: return MIDIMAP_drvClose(dwDevID);
|
|
case DRV_ENABLE: return 1;
|
|
case DRV_DISABLE: return 1;
|
|
case DRV_QUERYCONFIGURE: return 1;
|
|
case DRV_CONFIGURE: MessageBoxA(0, "MIDIMAP MultiMedia Driver !", "OSS Driver", MB_OK); return 1;
|
|
case DRV_INSTALL: return DRVCNF_RESTART;
|
|
case DRV_REMOVE: return DRVCNF_RESTART;
|
|
default:
|
|
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
|
|
}
|
|
}
|
|
|
|
|