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Sweden-Number/dlls/winecoreaudio.drv/coremidi.c

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/*
* MIDI driver for macOS (unixlib)
*
* Copyright 1994 Martin Ayotte
* Copyright 1998 Luiz Otavio L. Zorzella
* Copyright 1998, 1999 Eric POUECH
* Copyright 2005, 2006 Emmanuel Maillard
* Copyright 2021 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#define ULONG __carbon_ULONG
#define E_INVALIDARG __carbon_E_INVALIDARG
#define E_OUTOFMEMORY __carbon_E_OUTOFMEMORY
#define E_HANDLE __carbon_E_HANDLE
#define E_ACCESSDENIED __carbon_E_ACCESSDENIED
#define E_UNEXPECTED __carbon_E_UNEXPECTED
#define E_FAIL __carbon_E_FAIL
#define E_ABORT __carbon_E_ABORT
#define E_POINTER __carbon_E_POINTER
#define E_NOINTERFACE __carbon_E_NOINTERFACE
#define E_NOTIMPL __carbon_E_NOTIMPL
#define S_FALSE __carbon_S_FALSE
#define S_OK __carbon_S_OK
#define HRESULT_FACILITY __carbon_HRESULT_FACILITY
#define IS_ERROR __carbon_IS_ERROR
#define FAILED __carbon_FAILED
#define SUCCEEDED __carbon_SUCCEEDED
#define MAKE_HRESULT __carbon_MAKE_HRESULT
#define HRESULT __carbon_HRESULT
#define STDMETHODCALLTYPE __carbon_STDMETHODCALLT
#include <mach/mach_time.h>
#include <CoreMIDI/CoreMIDI.h>
#include <AudioUnit/AudioUnit.h>
#include <AudioToolbox/AudioToolbox.h>
#undef ULONG
#undef E_INVALIDARG
#undef E_OUTOFMEMORY
#undef E_HANDLE
#undef E_ACCESSDENIED
#undef E_UNEXPECTED
#undef E_FAIL
#undef E_ABORT
#undef E_POINTER
#undef E_NOINTERFACE
#undef E_NOTIMPL
#undef S_FALSE
#undef S_OK
#undef HRESULT_FACILITY
#undef IS_ERROR
#undef FAILED
#undef SUCCEEDED
#undef MAKE_HRESULT
#undef HRESULT
#undef STDMETHODCALLTYPE
#include <pthread.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winreg.h"
#include "winternl.h"
#include "mmsystem.h"
#include "mmddk.h"
#include "mmdeviceapi.h"
#include "audioclient.h"
#include "wine/debug.h"
#include "wine/unixlib.h"
#include "coreaudio.h"
#include "unixlib.h"
WINE_DEFAULT_DEBUG_CHANNEL(midi);
struct midi_dest
{
/* graph and synth are only used for MIDI Synth */
AUGraph graph;
AudioUnit synth;
MIDIEndpointRef dest;
MIDIOUTCAPSW caps;
MIDIOPENDESC midiDesc;
WORD wFlags;
};
struct midi_src
{
MIDIEndpointRef source;
WORD wDevID;
int state; /* 0 is no recording started, 1 in recording, bit 2 set if in sys exclusive recording */
MIDIINCAPSW caps;
MIDIOPENDESC midiDesc;
LPMIDIHDR lpQueueHdr;
WORD wFlags;
DWORD startTime;
};
static MIDIClientRef midi_client;
static MIDIPortRef midi_out_port, midi_in_port;
static UINT num_dests, num_srcs;
static struct midi_dest *dests;
static struct midi_src *srcs;
static pthread_mutex_t midi_in_mutex = PTHREAD_MUTEX_INITIALIZER;
#define NOTIFY_BUFFER_SIZE 64 + 1 /* + 1 for the sentinel */
static pthread_mutex_t notify_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t notify_cond = PTHREAD_COND_INITIALIZER;
static BOOL notify_quit;
static struct notify_context notify_buffer[NOTIFY_BUFFER_SIZE];
static struct notify_context *notify_read, *notify_write;
#define MAX_MIDI_SYNTHS 1
static void midi_in_lock(BOOL lock)
{
if (lock) pthread_mutex_lock(&midi_in_mutex);
else pthread_mutex_unlock(&midi_in_mutex);
}
static void set_in_notify(struct notify_context *notify, struct midi_src *src, WORD dev_id, WORD msg,
DWORD_PTR param_1, DWORD_PTR param_2)
{
notify->send_notify = TRUE;
notify->dev_id = dev_id;
notify->msg = msg;
notify->param_1 = param_1;
notify->param_2 = param_2;
notify->callback = src->midiDesc.dwCallback;
notify->flags = src->wFlags;
notify->device = src->midiDesc.hMidi;
notify->instance = src->midiDesc.dwInstance;
}
/*
* notify buffer: The notification ring buffer is implemented so that
* there is always at least one unused sentinel before the current
* read position in order to allow detection of the full vs empty
* state.
*/
static struct notify_context *notify_buffer_next(struct notify_context *notify)
{
if (++notify >= notify_buffer + ARRAY_SIZE(notify_buffer))
notify = notify_buffer;
return notify;
}
static void notify_buffer_add(struct notify_context *notify)
{
struct notify_context *next = notify_buffer_next(notify_write);
if (next == notify_read) /* buffer is full - we can't issue a WARN() in a non-Win32 thread */
notify_read = notify_buffer_next(notify_read); /* drop the oldest notification */
*notify_write = *notify;
notify_write = next;
}
static BOOL notify_buffer_empty(void)
{
return notify_read == notify_write;
}
static BOOL notify_buffer_remove(struct notify_context *notify)
{
if (notify_buffer_empty()) return FALSE;
*notify = *notify_read;
notify_read = notify_buffer_next(notify_read);
return TRUE;
}
static void notify_post(struct notify_context *notify)
{
pthread_mutex_lock(&notify_mutex);
if (notify) notify_buffer_add(notify);
else notify_quit = TRUE;
pthread_cond_signal(&notify_cond);
pthread_mutex_unlock(&notify_mutex);
}
/*
* CoreMIDI IO threaded callback,
* we can't call Wine debug channels, critical section or anything using NtCurrentTeb here.
*/
static uint64_t get_time_ms(void)
{
static mach_timebase_info_data_t timebase;
if (!timebase.denom) mach_timebase_info(&timebase);
return mach_absolute_time() / 1000000 * timebase.numer / timebase.denom;
}
static void process_sysex_packet(struct midi_src *src, MIDIPacket *packet)
{
unsigned int pos = 0, len = packet->length, copy_len;
DWORD current_time = get_time_ms() - src->startTime;
struct notify_context notify;
src->state |= 2;
midi_in_lock(TRUE);
while (len)
{
MIDIHDR *hdr = src->lpQueueHdr;
if (!hdr) break;
copy_len = min(len, hdr->dwBufferLength - hdr->dwBytesRecorded);
memcpy(hdr->lpData + hdr->dwBytesRecorded, packet->data + pos, copy_len);
hdr->dwBytesRecorded += copy_len;
len -= copy_len;
pos += copy_len;
if ((hdr->dwBytesRecorded == hdr->dwBufferLength) ||
(*(BYTE*)(hdr->lpData + hdr->dwBytesRecorded - 1) == 0xf7))
{ /* buffer full or end of sysex message */
src->lpQueueHdr = hdr->lpNext;
hdr->dwFlags &= ~MHDR_INQUEUE;
hdr->dwFlags |= MHDR_DONE;
set_in_notify(&notify, src, src->wDevID, MIM_LONGDATA, (DWORD_PTR)hdr, current_time);
notify_post(&notify);
src->state &= ~2;
}
}
midi_in_lock(FALSE);
}
static void process_small_packet(struct midi_src *src, MIDIPacket *packet)
{
DWORD current_time = get_time_ms() - src->startTime, data;
struct notify_context notify;
unsigned int pos = 0;
while (pos < packet->length)
{
data = 0;
switch (packet->data[pos] & 0xf0)
{
case 0xf0:
data = packet->data[pos];
pos++;
break;
case 0xc0:
case 0xd0:
data = (packet->data[pos + 1] << 8) | packet->data[pos];
pos += 2;
break;
default:
data = (packet->data[pos + 2] << 16) | (packet->data[pos + 1] << 8) |
packet->data[pos];
pos += 3;
break;
}
set_in_notify(&notify, src, src->wDevID, MIM_DATA, data, current_time);
notify_post(&notify);
}
}
static void midi_in_read_proc(const MIDIPacketList *pktlist, void *refCon, void *connRefCon)
{
MIDIPacket *packet = (MIDIPacket *)pktlist->packet;
WORD dev_id = *(WORD *)connRefCon;
struct midi_src *src;
unsigned int i;
if (dev_id >= num_srcs) return;
src = srcs + dev_id;
if (src->state < 1) /* input not started */
return;
for (i = 0; i < pktlist->numPackets; ++i)
{
if (packet->data[0] == 0xf0 || src->state & 2)
process_sysex_packet(src, packet);
else
process_small_packet(src, packet);
packet = MIDIPacketNext(packet);
}
}
NTSTATUS midi_init(void *args)
{
CFStringRef name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("wineMIDIClient.%d"), getpid());
struct midi_init_params *params = args;
OSStatus sc;
UINT i;
pthread_mutex_lock(&notify_mutex);
notify_quit = FALSE;
notify_read = notify_write = notify_buffer;
pthread_mutex_unlock(&notify_mutex);
sc = MIDIClientCreate(name, NULL /* FIXME use notify proc */, NULL, &midi_client);
CFRelease(name);
if (sc)
{
ERR("can't create MIDI Client\n");
*params->err = DRV_FAILURE;
return STATUS_SUCCESS;
}
num_dests = MAX_MIDI_SYNTHS + MIDIGetNumberOfDestinations();
num_srcs = MIDIGetNumberOfSources();
TRACE("num_dests %d num_srcs %d\n", num_dests, num_srcs);
dests = calloc(num_dests, sizeof(*dests));
srcs = calloc(num_srcs, sizeof(*srcs));
if (num_srcs > 0)
{
name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("WineInputPort.%u"), getpid());
MIDIInputPortCreate(midi_client, name, midi_in_read_proc, NULL, &midi_in_port);
CFRelease(name);
}
if (num_dests > MAX_MIDI_SYNTHS)
{
name = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("WineOutputPort.%u"), getpid());
MIDIOutputPortCreate(midi_client, name, &midi_out_port);
CFRelease(name);
}
/* initialize sources */
for (i = 0; i < num_srcs; i++)
{
srcs[i].wDevID = i;
srcs[i].source = MIDIGetSource(i);
sc = MIDIObjectGetStringProperty(srcs[i].source, kMIDIPropertyName, &name);
if (!sc)
{
int len = min(CFStringGetLength(name), ARRAY_SIZE(srcs[i].caps.szPname) - 1);
CFStringGetCharacters(name, CFRangeMake(0, len), srcs[i].caps.szPname);
srcs[i].caps.szPname[len] = '\0';
}
MIDIPortConnectSource(midi_in_port, srcs[i].source, &srcs[i].wDevID);
srcs[i].state = 0;
/* FIXME */
srcs[i].caps.wMid = 0x00FF; /* Manufac ID */
srcs[i].caps.wPid = 0x0001; /* Product ID */
srcs[i].caps.vDriverVersion = 0x0001;
srcs[i].caps.dwSupport = 0;
}
/* initialise MIDI synths */
for (i = 0; i < MAX_MIDI_SYNTHS; i++)
{
static const WCHAR synth_name[] = {'C','o','r','e','A','u','d','i','o',' ','M','I','D','I',' ','S','y','n','t','h',' '};
C_ASSERT(MAX_MIDI_SYNTHS < 10);
memcpy(dests[i].caps.szPname, synth_name, sizeof(synth_name));
dests[i].caps.szPname[ARRAY_SIZE(synth_name)] = '1' + i;
dests[i].caps.szPname[ARRAY_SIZE(synth_name) + 1] = '\0';
dests[i].caps.wTechnology = MOD_SYNTH;
dests[i].caps.wChannelMask = 0xFFFF;
dests[i].caps.wMid = 0x00FF; /* Manufac ID */
dests[i].caps.wPid = 0x0001; /* Product ID */
dests[i].caps.vDriverVersion = 0x0001;
dests[i].caps.dwSupport = MIDICAPS_VOLUME;
dests[i].caps.wVoices = 16;
dests[i].caps.wNotes = 16;
}
/* initialise available destinations */
for (i = MAX_MIDI_SYNTHS; i < num_dests; i++)
{
dests[i].dest = MIDIGetDestination(i - MAX_MIDI_SYNTHS);
sc = MIDIObjectGetStringProperty(dests[i].dest, kMIDIPropertyName, &name);
if (!sc)
{
int len = min(CFStringGetLength(name), ARRAY_SIZE(dests[i].caps.szPname) - 1);
CFStringGetCharacters(name, CFRangeMake(0, len), dests[i].caps.szPname);
dests[i].caps.szPname[len] = '\0';
}
dests[i].caps.wTechnology = MOD_MIDIPORT;
dests[i].caps.wChannelMask = 0xFFFF;
dests[i].caps.wMid = 0x00FF; /* Manufac ID */
dests[i].caps.wPid = 0x0001;
dests[i].caps.vDriverVersion = 0x0001;
dests[i].caps.dwSupport = 0;
dests[i].caps.wVoices = 0;
dests[i].caps.wNotes = 0;
}
*params->err = DRV_SUCCESS;
return STATUS_SUCCESS;
}
NTSTATUS midi_release(void *args)
{
/* stop the notify_wait thread */
notify_post(NULL);
if (midi_client) MIDIClientDispose(midi_client); /* MIDIClientDispose will close all ports */
free(srcs);
free(dests);
return STATUS_SUCCESS;
}
/*
* MIDI Synth Unit
*/
static BOOL synth_unit_create_default(AUGraph *graph, AudioUnit *synth)
{
AudioComponentDescription desc;
AUNode synth_node;
AUNode out_node;
OSStatus sc;
sc = NewAUGraph(graph);
if (sc != noErr)
{
ERR("NewAUGraph return %s\n", wine_dbgstr_fourcc(sc));
return FALSE;
}
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
/* create synth node */
desc.componentType = kAudioUnitType_MusicDevice;
desc.componentSubType = kAudioUnitSubType_DLSSynth;
sc = AUGraphAddNode(*graph, &desc, &synth_node);
if (sc != noErr)
{
ERR("AUGraphAddNode cannot create synthNode : %s\n", wine_dbgstr_fourcc(sc));
return FALSE;
}
/* create out node */
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_DefaultOutput;
sc = AUGraphAddNode(*graph, &desc, &out_node);
if (sc != noErr)
{
ERR("AUGraphAddNode cannot create outNode %s\n", wine_dbgstr_fourcc(sc));
return FALSE;
}
sc = AUGraphOpen(*graph);
if (sc != noErr)
{
ERR("AUGraphOpen returns %s\n", wine_dbgstr_fourcc(sc));
return FALSE;
}
/* connecting the nodes */
sc = AUGraphConnectNodeInput(*graph, synth_node, 0, out_node, 0);
if (sc != noErr)
{
ERR("AUGraphConnectNodeInput cannot connect synthNode to outNode : %s\n",
wine_dbgstr_fourcc(sc));
return FALSE;
}
/* Get the synth unit */
sc = AUGraphNodeInfo(*graph, synth_node, 0, synth);
if (sc != noErr)
{
ERR("AUGraphNodeInfo return %s\n", wine_dbgstr_fourcc(sc));
return FALSE;
}
return TRUE;
}
static BOOL synth_unit_init(AudioUnit synth, AUGraph graph)
{
OSStatus sc;
sc = AUGraphInitialize(graph);
if (sc != noErr)
{
ERR("AUGraphInitialize(%p) returns %s\n", graph, wine_dbgstr_fourcc(sc));
return FALSE;
}
sc = AUGraphStart(graph);
if (sc != noErr)
{
ERR("AUGraphStart(%p) returns %s\n", graph, wine_dbgstr_fourcc(sc));
return FALSE;
}
return TRUE;
}
static BOOL synth_unit_close(AUGraph graph)
{
OSStatus sc;
sc = AUGraphStop(graph);
if (sc != noErr)
{
ERR("AUGraphStop(%p) returns %s\n", graph, wine_dbgstr_fourcc(sc));
return FALSE;
}
sc = DisposeAUGraph(graph);
if (sc != noErr)
{
ERR("DisposeAUGraph(%p) returns %s\n", graph, wine_dbgstr_fourcc(sc));
return FALSE;
}
return TRUE;
}
static void set_out_notify(struct notify_context *notify, struct midi_dest *dest, WORD dev_id, WORD msg,
DWORD_PTR param_1, DWORD_PTR param_2)
{
notify->send_notify = TRUE;
notify->dev_id = dev_id;
notify->msg = msg;
notify->param_1 = param_1;
notify->param_2 = param_2;
notify->callback = dest->midiDesc.dwCallback;
notify->flags = dest->wFlags;
notify->device = dest->midiDesc.hMidi;
notify->instance = dest->midiDesc.dwInstance;
}
static DWORD midi_out_open(WORD dev_id, MIDIOPENDESC *midi_desc, DWORD flags, struct notify_context *notify)
{
struct midi_dest *dest;
TRACE("dev_id = %d desc = %p flags = %08x\n", dev_id, midi_desc, flags);
if (!midi_desc) return MMSYSERR_INVALPARAM;
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
if (dests[dev_id].midiDesc.hMidi != 0)
{
WARN("device already open!\n");
return MMSYSERR_ALLOCATED;
}
if ((flags & ~CALLBACK_TYPEMASK) != 0)
{
WARN("bad flags\n");
return MMSYSERR_INVALFLAG;
}
dest = dests + dev_id;
if (dest->caps.wTechnology == MOD_SYNTH)
{
if (!synth_unit_create_default(&dest->graph, &dest->synth))
{
ERR("SynthUnit_CreateDefaultSynthUnit dest=%p failed\n", dest);
return MMSYSERR_ERROR;
}
if (!synth_unit_init(dest->synth, dest->graph))
{
ERR("SynthUnit_Initialise dest=%p failed\n", dest);
return MMSYSERR_ERROR;
}
}
dest->wFlags = HIWORD(flags & CALLBACK_TYPEMASK);
dest->midiDesc = *midi_desc;
set_out_notify(notify, dest, dev_id, MOM_OPEN, 0, 0);
return MMSYSERR_NOERROR;
}
static DWORD midi_out_close(WORD dev_id, struct notify_context *notify)
{
struct midi_dest *dest;
TRACE("dev_id = %d\n", dev_id);
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
dest = dests + dev_id;
if (dest->caps.wTechnology == MOD_SYNTH)
synth_unit_close(dest->graph);
dest->graph = 0;
dest->synth = 0;
set_out_notify(notify, dest, dev_id, MOM_CLOSE, 0, 0);
dest->midiDesc.hMidi = 0;
return MMSYSERR_NOERROR;
}
static void midi_send(MIDIPortRef port, MIDIEndpointRef dest, UInt8 *buffer, unsigned len)
{
Byte packet_buf[512];
MIDIPacketList *packet_list = (MIDIPacketList *)packet_buf;
MIDIPacket *packet = MIDIPacketListInit(packet_list);
packet = MIDIPacketListAdd(packet_list, sizeof(packet_buf), packet, mach_absolute_time(), len, buffer);
if (packet) MIDISend(port, dest, packet_list);
}
static DWORD midi_out_data(WORD dev_id, DWORD data)
{
struct midi_dest *dest;
UInt8 bytes[3];
OSStatus sc;
TRACE("dev_id = %d data = %08x\n", dev_id, data);
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
bytes[0] = data & 0xff;
bytes[1] = (data >> 8) & 0xff;
bytes[2] = (data >> 16) & 0xff;
dest = dests + dev_id;
if (dest->caps.wTechnology == MOD_SYNTH)
{
sc = MusicDeviceMIDIEvent(dest->synth, bytes[0], bytes[1], bytes[2], 0);
if (sc != noErr)
{
ERR("MusicDeviceMIDIEvent returns %s\n", wine_dbgstr_fourcc(sc));
return MMSYSERR_ERROR;
}
}
else
{
midi_send(midi_out_port, dest->dest, bytes, sizeof(bytes));
}
return MMSYSERR_NOERROR;
}
static DWORD midi_out_long_data(WORD dev_id, MIDIHDR *hdr, DWORD hdr_size, struct notify_context *notify)
{
struct midi_dest *dest;
OSStatus sc;
TRACE("dev_id = %d midi_hdr = %p hdr_size = %d\n", dev_id, hdr, hdr_size);
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
if (!hdr)
{
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (!hdr->lpData || !(hdr->dwFlags & MHDR_PREPARED))
return MIDIERR_UNPREPARED;
if (hdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
hdr->dwFlags &= ~MHDR_DONE;
hdr->dwFlags |= MHDR_INQUEUE;
if ((UInt8)hdr->lpData[0] != 0xf0)
/* System Exclusive */
ERR("Add missing 0xf0 marker at the beginning of system exclusive byte stream\n");
if ((UInt8)hdr->lpData[hdr->dwBufferLength - 1] != 0xF7)
/* Send end of System Exclusive */
ERR("Add missing 0xf7 marker at the end of system exclusive byte stream\n");
dest = dests + dev_id;
if (dest->caps.wTechnology == MOD_SYNTH) /* FIXME */
{
sc = MusicDeviceSysEx(dest->synth, (const UInt8 *)hdr->lpData, hdr->dwBufferLength);
if (sc != noErr)
{
ERR("MusicDeviceSysEx returns %s\n", wine_dbgstr_fourcc(sc));
return MMSYSERR_ERROR;
}
}
else if (dest->caps.wTechnology == MOD_MIDIPORT)
midi_send(midi_out_port, dest->dest, (UInt8 *)hdr->lpData, hdr->dwBufferLength);
hdr->dwFlags &= ~MHDR_INQUEUE;
hdr->dwFlags |= MHDR_DONE;
set_out_notify(notify, dest, dev_id, MOM_DONE, (DWORD_PTR)hdr, 0);
return MMSYSERR_NOERROR;
}
static DWORD midi_out_prepare(WORD dev_id, MIDIHDR *hdr, DWORD hdr_size)
{
TRACE("dev_id = %d midi_hdr = %p hdr_size = %d\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (hdr->dwFlags & MHDR_PREPARED)
return MMSYSERR_NOERROR;
hdr->lpNext = 0;
hdr->dwFlags |= MHDR_PREPARED;
hdr->dwFlags &= ~(MHDR_DONE | MHDR_INQUEUE);
return MMSYSERR_NOERROR;
}
static DWORD midi_out_unprepare(WORD dev_id, MIDIHDR *hdr, DWORD hdr_size)
{
TRACE("dev_id = %d midi_hdr = %p hdr_size = %d\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (!(hdr->dwFlags & MHDR_PREPARED))
return MMSYSERR_NOERROR;
if (hdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
hdr->dwFlags &= ~MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
static DWORD midi_out_get_devcaps(WORD dev_id, MIDIOUTCAPSW *caps, DWORD size)
{
TRACE("dev_id = %d caps = %p size = %d\n", dev_id, caps, size);
if (!caps)
{
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
memcpy(caps, &dests[dev_id].caps, min(size, sizeof(*caps)));
return MMSYSERR_NOERROR;
}
static DWORD midi_out_get_num_devs(void)
{
TRACE("\n");
return num_dests;
}
static DWORD midi_out_get_volume(WORD dev_id, DWORD *volume)
{
TRACE("%d\n", dev_id);
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
if (!volume)
{
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (dests[dev_id].caps.wTechnology == MOD_SYNTH)
{
static int once;
float left;
if (!once++) FIXME("independent left/right volume not implemented\n");
AudioUnitGetParameter(dests[dev_id].synth, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, &left);
*volume = (WORD)(left * 0xffff) + ((WORD)(left * 0xffff) << 16);
return MMSYSERR_NOERROR;
}
return MMSYSERR_NOTSUPPORTED;
}
static DWORD midi_out_set_volume(WORD dev_id, DWORD volume)
{
TRACE("dev_id = %d vol = %08x\n", dev_id, volume);
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
if (dests[dev_id].caps.wTechnology == MOD_SYNTH)
{
float left, right;
static int once;
if (!once++) FIXME("independent left/right volume not implemented\n");
left = LOWORD(volume) / 65535.0f;
right = HIWORD(volume) / 65535.0f;
AudioUnitSetParameter(dests[dev_id].synth, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, left, 0);
return MMSYSERR_NOERROR;
}
return MMSYSERR_NOTSUPPORTED;
}
static DWORD midi_out_reset(WORD dev_id)
{
unsigned chn;
TRACE("%d\n", dev_id);
if (dev_id >= num_dests)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
if (dests[dev_id].caps.wTechnology == MOD_SYNTH)
{
for (chn = 0; chn < 16; chn++)
{
/* turn off every note */
MusicDeviceMIDIEvent(dests[dev_id].synth, 0xB0 | chn, 0x7B, 0, 0);
/* remove sustain on channel */
MusicDeviceMIDIEvent(dests[dev_id].synth, 0xB0 | chn, 0x40, 0, 0);
}
}
else FIXME("MOD_MIDIPORT\n");
/* FIXME: the LongData buffers must also be returned to the app */
return MMSYSERR_NOERROR;
}
static DWORD midi_in_open(WORD dev_id, MIDIOPENDESC *midi_desc, DWORD flags, struct notify_context *notify)
{
struct midi_src *src;
TRACE("dev_id = %d desc = %p flags = %08x\n", dev_id, midi_desc, flags);
if (!midi_desc)
{
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (dev_id >= num_srcs)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
src = srcs + dev_id;
if (src->midiDesc.hMidi)
{
WARN("device already open !\n");
return MMSYSERR_ALLOCATED;
}
if (flags & MIDI_IO_STATUS)
{
FIXME("No support for MIDI_IO_STATUS in flags yet, ignoring it\n");
flags &= ~MIDI_IO_STATUS;
}
if (flags & ~CALLBACK_TYPEMASK)
{
FIXME("Bad flags\n");
return MMSYSERR_INVALFLAG;
}
src->wFlags = HIWORD(flags & CALLBACK_TYPEMASK);
src->lpQueueHdr = NULL;
src->midiDesc = *midi_desc;
src->startTime = 0;
src->state = 0;
set_in_notify(notify, src, dev_id, MIM_OPEN, 0, 0);
return MMSYSERR_NOERROR;
}
static DWORD midi_in_close(WORD dev_id, struct notify_context *notify)
{
struct midi_src *src;
TRACE("dev_id = %d\n", dev_id);
if (dev_id >= num_srcs)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
src = srcs + dev_id;
if (!src->midiDesc.hMidi)
{
WARN("device not opened !\n");
return MMSYSERR_ERROR;
}
if (src->lpQueueHdr) return MIDIERR_STILLPLAYING;
set_in_notify(notify, src, dev_id, MIM_CLOSE, 0, 0);
src->midiDesc.hMidi = 0;
return MMSYSERR_NOERROR;
}
static DWORD midi_in_add_buffer(WORD dev_id, MIDIHDR *hdr, DWORD hdr_size)
{
MIDIHDR **next;
TRACE("dev_id = %d hdr = %p hdr_size = %d\n", dev_id, hdr, hdr_size);
if (dev_id >= num_srcs)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
if (!hdr || hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr->dwBufferLength)
{
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (hdr->dwFlags & MHDR_INQUEUE)
{
WARN("Still playing\n");
return MIDIERR_STILLPLAYING;
}
if (!(hdr->dwFlags & MHDR_PREPARED))
{
WARN("Unprepared\n");
return MIDIERR_UNPREPARED;
}
hdr->dwFlags &= ~WHDR_DONE;
hdr->dwFlags |= MHDR_INQUEUE;
hdr->dwBytesRecorded = 0;
hdr->lpNext = NULL;
midi_in_lock(TRUE);
next = &srcs[dev_id].lpQueueHdr;
while (*next) next = &(*next)->lpNext;
*next = hdr;
midi_in_lock(FALSE);
return MMSYSERR_NOERROR;
}
static DWORD midi_in_prepare(WORD dev_id, MIDIHDR *hdr, DWORD hdr_size)
{
TRACE("dev_id = %d hdr = %p hdr_size = %d\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (hdr->dwFlags & MHDR_PREPARED)
return MMSYSERR_NOERROR;
hdr->lpNext = NULL;
hdr->dwFlags |= MHDR_PREPARED;
hdr->dwFlags &= ~(MHDR_DONE | MHDR_INQUEUE);
return MMSYSERR_NOERROR;
}
static DWORD midi_in_unprepare(WORD dev_id, MIDIHDR *hdr, DWORD hdr_size)
{
TRACE("dev_id = %d hdr = %p hdr_size = %d\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (!(hdr->dwFlags & MHDR_PREPARED))
return MMSYSERR_NOERROR;
if (hdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
hdr->dwFlags &= ~MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
static DWORD midi_in_get_devcaps(WORD dev_id, MIDIINCAPSW *caps, DWORD size)
{
TRACE("dev_id = %d caps = %p size = %d\n", dev_id, caps, size);
if (!caps)
{
WARN("Invalid Parameter\n");
return MMSYSERR_INVALPARAM;
}
if (dev_id >= num_srcs)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
memcpy(caps, &srcs[dev_id].caps, min(size, sizeof(*caps)));
return MMSYSERR_NOERROR;
}
static DWORD midi_in_get_num_devs(void)
{
TRACE("\n");
return num_srcs;
}
static DWORD midi_in_start(WORD dev_id)
{
TRACE("%d\n", dev_id);
if (dev_id >= num_srcs)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
srcs[dev_id].state = 1;
srcs[dev_id].startTime = get_time_ms();
return MMSYSERR_NOERROR;
}
static DWORD midi_in_stop(WORD dev_id)
{
TRACE("%d\n", dev_id);
if (dev_id >= num_srcs)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
srcs[dev_id].state = 0;
return MMSYSERR_NOERROR;
}
static DWORD midi_in_reset(WORD dev_id, struct notify_context *notify)
{
DWORD cur_time = get_time_ms();
DWORD err = MMSYSERR_NOERROR;
struct midi_src *src;
MIDIHDR *hdr;
TRACE("%d\n", dev_id);
if (dev_id >= num_srcs)
{
WARN("bad device ID : %d\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
src = srcs + dev_id;
midi_in_lock(TRUE);
if (src->lpQueueHdr)
{
hdr = src->lpQueueHdr;
src->lpQueueHdr = hdr->lpNext;
hdr->dwFlags &= ~MHDR_INQUEUE;
hdr->dwFlags |= MHDR_DONE;
set_in_notify(notify, src, dev_id, MIM_LONGDATA, (DWORD_PTR)hdr, cur_time - src->startTime);
if (src->lpQueueHdr) err = ERROR_RETRY; /* ask the client to call again */
}
midi_in_lock(FALSE);
return err;
}
NTSTATUS midi_out_message(void *args)
{
struct midi_out_message_params *params = args;
params->notify->send_notify = FALSE;
switch (params->msg)
{
case DRVM_INIT:
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
*params->err = MMSYSERR_NOERROR;
break;
case MODM_OPEN:
*params->err = midi_out_open(params->dev_id, (MIDIOPENDESC *)params->param_1, params->param_2, params->notify);
break;
case MODM_CLOSE:
*params->err = midi_out_close(params->dev_id, params->notify);
break;
case MODM_DATA:
*params->err = midi_out_data(params->dev_id, params->param_1);
break;
case MODM_LONGDATA:
*params->err = midi_out_long_data(params->dev_id, (MIDIHDR *)params->param_1, params->param_2, params->notify);
break;
case MODM_PREPARE:
*params->err = midi_out_prepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MODM_UNPREPARE:
*params->err = midi_out_unprepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MODM_GETDEVCAPS:
*params->err = midi_out_get_devcaps(params->dev_id, (MIDIOUTCAPSW *)params->param_1, params->param_2);
break;
case MODM_GETNUMDEVS:
*params->err = midi_out_get_num_devs();
break;
case MODM_GETVOLUME:
*params->err = midi_out_get_volume(params->dev_id, (DWORD *)params->param_1);
break;
case MODM_SETVOLUME:
*params->err = midi_out_set_volume(params->dev_id, params->param_1);
break;
case MODM_RESET:
*params->err = midi_out_reset(params->dev_id);
break;
default:
TRACE("Unsupported message\n");
*params->err = MMSYSERR_NOTSUPPORTED;
}
return STATUS_SUCCESS;
}
NTSTATUS midi_in_message(void *args)
{
struct midi_in_message_params *params = args;
params->notify->send_notify = FALSE;
switch (params->msg)
{
case DRVM_INIT:
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
*params->err = MMSYSERR_NOERROR;
break;
case MIDM_OPEN:
*params->err = midi_in_open(params->dev_id, (MIDIOPENDESC *)params->param_1, params->param_2, params->notify);
break;
case MIDM_CLOSE:
*params->err = midi_in_close(params->dev_id, params->notify);
break;
case MIDM_ADDBUFFER:
*params->err = midi_in_add_buffer(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MIDM_PREPARE:
*params->err = midi_in_prepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MIDM_UNPREPARE:
*params->err = midi_in_unprepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MIDM_GETDEVCAPS:
*params->err = midi_in_get_devcaps(params->dev_id, (MIDIINCAPSW *)params->param_1, params->param_2);
break;
case MIDM_GETNUMDEVS:
*params->err = midi_in_get_num_devs();
break;
case MIDM_START:
*params->err = midi_in_start(params->dev_id);
break;
case MIDM_STOP:
*params->err = midi_in_stop(params->dev_id);
break;
case MIDM_RESET:
*params->err = midi_in_reset(params->dev_id, params->notify);
break;
default:
TRACE("Unsupported message\n");
*params->err = MMSYSERR_NOTSUPPORTED;
}
return STATUS_SUCCESS;
}
NTSTATUS midi_notify_wait(void *args)
{
struct midi_notify_wait_params *params = args;
pthread_mutex_lock(&notify_mutex);
while (!notify_quit && notify_buffer_empty())
pthread_cond_wait(&notify_cond, &notify_mutex);
*params->quit = notify_quit;
if (!notify_quit) notify_buffer_remove(params->notify);
pthread_mutex_unlock(&notify_mutex);
return STATUS_SUCCESS;
}
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