675 lines
20 KiB
C
675 lines
20 KiB
C
/*
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* MIDI driver for OSS (unixlib)
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*
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* Copyright 1994 Martin Ayotte
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* Copyright 1998 Luiz Otavio L. Zorzella (init procedures)
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* Copyright 1998, 1999 Eric POUECH
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* Copyright 2022 Huw Davies
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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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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include <stdarg.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/soundcard.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "winternl.h"
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#include "audioclient.h"
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#include "wine/debug.h"
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#include "wine/unixlib.h"
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#include "unixlib.h"
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static unsigned int num_dests, num_srcs, num_synths, seq_refs;
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static struct midi_dest dests[MAX_MIDIOUTDRV];
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static struct midi_src srcs[MAX_MIDIINDRV];
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typedef struct sVoice
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{
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int note; /* 0 means not used */
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int channel;
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unsigned cntMark : 30,
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status : 2;
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#define sVS_UNUSED 0
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#define sVS_PLAYING 1
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#define sVS_SUSTAINED 2
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} sVoice;
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typedef struct sChannel
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{
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int program;
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int bender;
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int benderRange;
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/* controllers */
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int bank; /* CTL_BANK_SELECT */
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int volume; /* CTL_MAIN_VOLUME */
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int balance; /* CTL_BALANCE */
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int expression; /* CTL_EXPRESSION */
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int sustain; /* CTL_SUSTAIN */
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unsigned char nrgPmtMSB; /* Non register Parameters */
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unsigned char nrgPmtLSB;
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unsigned char regPmtMSB; /* Non register Parameters */
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unsigned char regPmtLSB;
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} sChannel;
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typedef struct sFMextra
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{
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unsigned counter;
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int drumSetMask;
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sChannel channel[16]; /* MIDI has only 16 channels */
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sVoice voice[1]; /* dyn allocated according to sound card */
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/* do not append fields below voice[1] since the size of this structure
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* depends on the number of available voices on the FM synth...
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*/
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} sFMextra;
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WINE_DEFAULT_DEBUG_CHANNEL(midi);
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static int oss_to_win_device_type(int type)
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{
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/* MOD_MIDIPORT output port
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* MOD_SYNTH generic internal synth
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* MOD_SQSYNTH square wave internal synth
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* MOD_FMSYNTH FM internal synth
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* MOD_MAPPER MIDI mapper
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* MOD_WAVETABLE hardware wavetable internal synth
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* MOD_SWSYNTH software internal synth
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*/
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/* FIXME Is this really the correct equivalence from UNIX to
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Windows Sound type */
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switch (type)
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{
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case SYNTH_TYPE_FM: return MOD_FMSYNTH;
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case SYNTH_TYPE_SAMPLE: return MOD_SYNTH;
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case SYNTH_TYPE_MIDI: return MOD_MIDIPORT;
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default:
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ERR("Cannot determine the type of this midi device. "
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"Assuming FM Synth\n");
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return MOD_FMSYNTH;
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}
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}
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static int seq_open(void)
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{
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static int midi_warn = 1;
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static int fd = -1;
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if (seq_refs <= 0)
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{
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const char* device = getenv("MIDIDEV");
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if (!device) device = "/dev/sequencer";
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fd = open(device, O_RDWR, 0);
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if (fd == -1)
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{
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if (midi_warn)
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{
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WARN("Can't open MIDI device '%s' ! (%s). If your program needs this (probably not): %s\n",
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device, strerror(errno),
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errno == ENOENT ? "create it ! (\"man MAKEDEV\" ?)" :
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errno == ENODEV ? "load MIDI sequencer kernel driver !" :
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errno == EACCES ? "grant access ! (\"man chmod\")" : "");
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}
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midi_warn = 0;
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return -1;
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}
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fcntl(fd, F_SETFD, 1); /* set close on exec flag */
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ioctl(fd, SNDCTL_SEQ_RESET);
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}
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seq_refs++;
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return fd;
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}
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static int seq_close(int fd)
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{
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if (--seq_refs == 0)
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close(fd);
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return 0;
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}
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NTSTATUS midi_seq_open(void *args)
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{
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struct midi_seq_open_params *params = args;
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if (!params->close)
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params->fd = seq_open();
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else
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seq_close(params->fd);
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return STATUS_SUCCESS;
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}
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NTSTATUS midi_init(void *args)
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{
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struct midi_init_params *params = args;
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int i, status, synth_devs = 255, midi_devs = 255, fd, len;
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struct synth_info sinfo;
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struct midi_info minfo;
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struct midi_dest *dest;
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struct midi_src *src;
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/* try to open device */
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fd = seq_open();
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if (fd == -1)
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{
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*params->err = -1;
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return STATUS_SUCCESS;
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}
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/* find how many Synth devices are there in the system */
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status = ioctl(fd, SNDCTL_SEQ_NRSYNTHS, &synth_devs);
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if (status == -1)
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{
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ERR("ioctl for nr synth failed.\n");
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seq_close(fd);
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*params->err = -1;
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return STATUS_SUCCESS;
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}
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if (synth_devs > MAX_MIDIOUTDRV)
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{
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ERR("MAX_MIDIOUTDRV (%d) was enough for the number of devices (%d). "
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"Some FM devices will not be available.\n", MAX_MIDIOUTDRV, synth_devs);
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synth_devs = MAX_MIDIOUTDRV;
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}
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for (i = 0, dest = dests; i < synth_devs; i++, dest++)
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{
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/* Manufac ID. We do not have access to this with soundcard.h
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* Does not seem to be a problem, because in mmsystem.h only
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* Microsoft's ID is listed.
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*/
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dest->caps.wMid = 0x00FF;
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dest->caps.wPid = 0x0001; /* FIXME Product ID */
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/* Product Version. We simply say "1" */
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dest->caps.vDriverVersion = 0x001;
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/* The following are mandatory for MOD_MIDIPORT */
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dest->caps.wChannelMask = 0xFFFF;
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dest->caps.wVoices = 0;
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dest->caps.wNotes = 0;
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dest->caps.dwSupport = 0;
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sinfo.device = i;
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status = ioctl(fd, SNDCTL_SYNTH_INFO, &sinfo);
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if (status == -1)
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{
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char buf[255];
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ERR("ioctl for synth info failed on %d, disabling it.\n", i);
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sprintf(buf, "Wine OSS Midi Out #%d disabled", i);
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len = ntdll_umbstowcs(buf, strlen(buf) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
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dest->caps.szPname[len - 1] = '\0';
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dest->caps.wTechnology = MOD_MIDIPORT;
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dest->bEnabled = FALSE;
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}
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else
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{
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len = ntdll_umbstowcs(sinfo.name, strlen(sinfo.name) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
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dest->caps.szPname[len - 1] = '\0';
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dest->caps.wTechnology = oss_to_win_device_type(sinfo.synth_type);
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if (dest->caps.wTechnology != MOD_MIDIPORT)
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{
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/* FIXME Do we have this information?
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* Assuming the soundcards can handle
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* MIDICAPS_VOLUME and MIDICAPS_LRVOLUME but
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* not MIDICAPS_CACHE.
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*/
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dest->caps.dwSupport = MIDICAPS_VOLUME | MIDICAPS_LRVOLUME;
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dest->caps.wVoices = sinfo.nr_voices;
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/* FIXME Is it possible to know the maximum
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* number of simultaneous notes of a soundcard ?
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* I believe we don't have this information, but
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* it's probably equal or more than wVoices
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*/
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dest->caps.wNotes = sinfo.nr_voices;
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}
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dest->bEnabled = TRUE;
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/* We also have the information sinfo.synth_subtype, not used here
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*/
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if (sinfo.capabilities & SYNTH_CAP_INPUT)
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FIXME("Synthesizer supports MIDI in. Not yet supported.\n");
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TRACE("SynthOut[%d]\tOSS info: synth type=%d/%d capa=%lx\n",
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i, sinfo.synth_type, sinfo.synth_subtype, (long)sinfo.capabilities);
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}
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TRACE("SynthOut[%d]\tname='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%d\n",
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i, wine_dbgstr_w(dest->caps.szPname), dest->caps.wTechnology,
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dest->caps.wVoices, dest->caps.wNotes, dest->caps.wChannelMask, dest->caps.dwSupport);
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}
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/* find how many MIDI devices are there in the system */
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status = ioctl(fd, SNDCTL_SEQ_NRMIDIS, &midi_devs);
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if (status == -1)
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{
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ERR("ioctl on nr midi failed.\n");
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midi_devs = 0;
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goto wrapup;
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}
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/* FIXME: the two restrictions below could be loosened in some cases */
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if (synth_devs + midi_devs > MAX_MIDIOUTDRV)
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{
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ERR("MAX_MIDIOUTDRV was not enough for the number of devices. "
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"Some MIDI devices will not be available.\n");
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midi_devs = MAX_MIDIOUTDRV - synth_devs;
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}
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if (midi_devs > MAX_MIDIINDRV)
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{
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ERR("MAX_MIDIINDRV (%d) was not enough for the number of devices (%d). "
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"Some MIDI devices will not be available.\n", MAX_MIDIINDRV, midi_devs);
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midi_devs = MAX_MIDIINDRV;
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}
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dest = dests + synth_devs;
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src = srcs;
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for (i = 0; i < midi_devs; i++, dest++, src++)
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{
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minfo.device = i;
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status = ioctl(fd, SNDCTL_MIDI_INFO, &minfo);
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if (status == -1) WARN("ioctl on midi info for device %d failed.\n", i);
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/* Manufacturer ID. We do not have access to this with soundcard.h
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Does not seem to be a problem, because in mmsystem.h only Microsoft's ID is listed
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*/
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dest->caps.wMid = 0x00FF;
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dest->caps.wPid = 0x0001; /* FIXME Product ID */
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/* Product Version. We simply say "1" */
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dest->caps.vDriverVersion = 0x001;
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if (status == -1)
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{
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char buf[255];
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sprintf(buf, "Wine OSS Midi Out #%d disabled", synth_devs + i);
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len = ntdll_umbstowcs(buf, strlen(buf) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
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dest->caps.szPname[len - 1] = '\0';
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dest->bEnabled = FALSE;
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}
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else
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{
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len = ntdll_umbstowcs(minfo.name, strlen(minfo.name) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
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dest->caps.szPname[len - 1] = '\0';
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dest->bEnabled = TRUE;
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}
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dest->caps.wTechnology = MOD_MIDIPORT;
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dest->caps.wVoices = 0;
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dest->caps.wNotes = 0;
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dest->caps.wChannelMask = 0xFFFF;
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dest->caps.dwSupport = 0;
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/* Manufac ID. We do not have access to this with soundcard.h
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Does not seem to be a problem, because in mmsystem.h only
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Microsoft's ID is listed */
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src->caps.wMid = 0x00FF;
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src->caps.wPid = 0x0001; /* FIXME Product ID */
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/* Product Version. We simply say "1" */
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src->caps.vDriverVersion = 0x001;
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if (status == -1)
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{
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char buf[ARRAY_SIZE(dest->caps.szPname)];
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sprintf(buf, "Wine OSS Midi In #%d disabled", synth_devs + i);
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len = ntdll_umbstowcs(buf, strlen(buf) + 1, src->caps.szPname, ARRAY_SIZE(src->caps.szPname));
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src->caps.szPname[len - 1] = '\0';
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src->state = -1;
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}
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else
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{
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len = ntdll_umbstowcs(minfo.name, strlen(minfo.name) + 1, src->caps.szPname, ARRAY_SIZE(src->caps.szPname));
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src->caps.szPname[len - 1] = '\0';
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src->state = 0;
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}
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src->caps.dwSupport = 0; /* mandatory with MIDIINCAPS */
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TRACE("OSS info: midi[%d] dev-type=%d capa=%lx\n"
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"\tMidiOut[%d] name='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%d\n"
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"\tMidiIn [%d] name='%s' support=%d\n",
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i, minfo.dev_type, (long)minfo.capabilities,
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synth_devs + i, wine_dbgstr_w(dest->caps.szPname), dest->caps.wTechnology,
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dest->caps.wVoices, dest->caps.wNotes, dest->caps.wChannelMask, dest->caps.dwSupport,
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i, wine_dbgstr_w(src->caps.szPname), src->caps.dwSupport);
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}
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wrapup:
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/* windows does not seem to differentiate Synth from MIDI devices */
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num_synths = synth_devs;
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num_dests = synth_devs + midi_devs;
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num_srcs = midi_devs;
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/* close file and exit */
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seq_close(fd);
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*params->err = 0;
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params->num_srcs = num_srcs;
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params->num_dests = num_dests;
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params->num_synths = num_synths;
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params->srcs = srcs;
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params->dests = dests;
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return STATUS_SUCCESS;
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}
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/* FIXME: this is a bad idea, it's even not static... */
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SEQ_DEFINEBUF(1024);
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/* FIXME: this is not reentrant, not static - because of global variable
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* _seqbuf and al.
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*/
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/**************************************************************************
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* seqbuf_dump [internal]
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*
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* Used by SEQ_DUMPBUF to flush the buffer.
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*
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*/
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void seqbuf_dump(void)
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{
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int fd;
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/* The device is already open, but there's no way to pass the
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fd to this function. Rather than rely on a global variable
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we pretend to open the seq again. */
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fd = seq_open();
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if (_seqbufptr)
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{
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if (write(fd, _seqbuf, _seqbufptr) == -1)
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{
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WARN("Can't write data to sequencer %d, errno %d (%s)!\n",
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fd, errno, strerror(errno));
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}
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/* FIXME: In any case buffer is lost so that if many errors occur the buffer
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* will not overrun */
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_seqbufptr = 0;
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}
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seq_close(fd);
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}
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extern const unsigned char midiFMInstrumentPatches[16 * 128];
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extern const unsigned char midiFMDrumsPatches[16 * 128];
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static int midi_out_fm_load(WORD dev_id, int fd)
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{
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struct sbi_instrument sbi;
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int i;
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sbi.device = dev_id;
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sbi.key = FM_PATCH;
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memset(sbi.operators + 16, 0, 16);
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for (i = 0; i < 128; i++)
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{
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sbi.channel = i;
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memcpy(sbi.operators, midiFMInstrumentPatches + i * 16, 16);
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if (write(fd, &sbi, sizeof(sbi)) == -1)
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{
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WARN("Couldn't write patch for instrument %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno));
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return -1;
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}
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}
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for (i = 0; i < 128; i++)
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{
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sbi.channel = 128 + i;
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memcpy(sbi.operators, midiFMDrumsPatches + i * 16, 16);
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if (write(fd, &sbi, sizeof(sbi)) == -1)
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{
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WARN("Couldn't write patch for drum %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno));
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return -1;
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}
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}
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return 0;
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}
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NTSTATUS midi_out_fm_reset(void *args)
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{
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WORD dev_id = (WORD)(UINT_PTR)args;
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struct midi_dest *dest = dests + dev_id;
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sFMextra *extra = dest->lpExtra;
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sVoice *voice = extra->voice;
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sChannel *channel = extra->channel;
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int i;
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for (i = 0; i < dest->caps.wVoices; i++)
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{
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if (voice[i].status != sVS_UNUSED)
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SEQ_STOP_NOTE(dev_id, i, voice[i].note, 64);
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SEQ_KEY_PRESSURE(dev_id, i, 127, 0);
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SEQ_CONTROL(dev_id, i, SEQ_VOLMODE, VOL_METHOD_LINEAR);
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voice[i].note = 0;
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voice[i].channel = -1;
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voice[i].cntMark = 0;
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voice[i].status = sVS_UNUSED;
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}
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for (i = 0; i < 16; i++)
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{
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channel[i].program = 0;
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channel[i].bender = 8192;
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channel[i].benderRange = 2;
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channel[i].bank = 0;
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channel[i].volume = 127;
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channel[i].balance = 64;
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channel[i].expression = 0;
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channel[i].sustain = 0;
|
|
}
|
|
extra->counter = 0;
|
|
extra->drumSetMask = 1 << 9; /* channel 10 is normally drums, sometimes 16 also */
|
|
SEQ_DUMPBUF();
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static void set_out_notify(struct notify_context *notify, struct midi_dest *dest, WORD dev_id, WORD msg,
|
|
UINT_PTR param_1, UINT_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 UINT midi_out_open(WORD dev_id, MIDIOPENDESC *midi_desc, UINT flags, struct notify_context *notify)
|
|
{
|
|
struct midi_dest *dest;
|
|
int fd = -1;
|
|
|
|
TRACE("(%04X, %p, %08X);\n", dev_id, midi_desc, flags);
|
|
if (midi_desc == NULL)
|
|
{
|
|
WARN("Invalid Parameter !\n");
|
|
return MMSYSERR_INVALPARAM;
|
|
}
|
|
if (dev_id >= num_dests)
|
|
{
|
|
TRACE("MAX_MIDIOUTDRV reached !\n");
|
|
return MMSYSERR_BADDEVICEID;
|
|
}
|
|
dest = dests + dev_id;
|
|
if (dest->midiDesc.hMidi != 0)
|
|
{
|
|
WARN("device already open !\n");
|
|
return MMSYSERR_ALLOCATED;
|
|
}
|
|
if (!dest->bEnabled)
|
|
{
|
|
WARN("device disabled !\n");
|
|
return MIDIERR_NODEVICE;
|
|
}
|
|
if ((flags & ~CALLBACK_TYPEMASK) != 0)
|
|
{
|
|
WARN("bad flags\n");
|
|
return MMSYSERR_INVALFLAG;
|
|
}
|
|
|
|
dest->lpExtra = NULL;
|
|
|
|
switch (dest->caps.wTechnology)
|
|
{
|
|
case MOD_FMSYNTH:
|
|
{
|
|
void *extra;
|
|
|
|
extra = malloc(offsetof(struct sFMextra, voice[dest->caps.wVoices]));
|
|
if (!extra)
|
|
{
|
|
WARN("can't alloc extra data !\n");
|
|
return MMSYSERR_NOMEM;
|
|
}
|
|
dest->lpExtra = extra;
|
|
fd = seq_open();
|
|
if (fd < 0)
|
|
{
|
|
dest->lpExtra = NULL;
|
|
free(extra);
|
|
return MMSYSERR_ERROR;
|
|
}
|
|
if (midi_out_fm_load(dev_id, fd) < 0)
|
|
{
|
|
seq_close(fd);
|
|
dest->lpExtra = NULL;
|
|
free(extra);
|
|
return MMSYSERR_ERROR;
|
|
}
|
|
midi_out_fm_reset((void *)(UINT_PTR)dev_id);
|
|
break;
|
|
}
|
|
case MOD_MIDIPORT:
|
|
case MOD_SYNTH:
|
|
fd = seq_open();
|
|
if (fd < 0)
|
|
return MMSYSERR_ALLOCATED;
|
|
break;
|
|
default:
|
|
WARN("Technology not supported (yet) %d !\n", dest->caps.wTechnology);
|
|
return MMSYSERR_NOTENABLED;
|
|
}
|
|
|
|
dest->wFlags = HIWORD(flags & CALLBACK_TYPEMASK);
|
|
|
|
dest->lpQueueHdr= NULL;
|
|
dest->midiDesc = *midi_desc;
|
|
dest->fd = fd;
|
|
|
|
set_out_notify(notify, dest, dev_id, MOM_OPEN, 0, 0);
|
|
TRACE("Successful !\n");
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
static UINT midi_out_close(WORD dev_id, struct notify_context *notify)
|
|
{
|
|
struct midi_dest *dest;
|
|
|
|
TRACE("(%04X);\n", dev_id);
|
|
|
|
if (dev_id >= num_dests)
|
|
{
|
|
TRACE("MAX_MIDIOUTDRV reached !\n");
|
|
return MMSYSERR_BADDEVICEID;
|
|
}
|
|
dest = dests + dev_id;
|
|
|
|
if (dest->midiDesc.hMidi == 0)
|
|
{
|
|
WARN("device not opened !\n");
|
|
return MMSYSERR_ERROR;
|
|
}
|
|
/* FIXME: should test that no pending buffer is still in the queue for
|
|
* playing */
|
|
|
|
if (dest->fd == -1)
|
|
{
|
|
WARN("can't close !\n");
|
|
return MMSYSERR_ERROR;
|
|
}
|
|
|
|
switch (dest->caps.wTechnology)
|
|
{
|
|
case MOD_FMSYNTH:
|
|
case MOD_SYNTH:
|
|
case MOD_MIDIPORT:
|
|
seq_close(dest->fd);
|
|
break;
|
|
default:
|
|
WARN("Technology not supported (yet) %d !\n", dest->caps.wTechnology);
|
|
return MMSYSERR_NOTENABLED;
|
|
}
|
|
|
|
free(dest->lpExtra);
|
|
dest->lpExtra = NULL;
|
|
dest->fd = -1;
|
|
|
|
set_out_notify(notify, dest, dev_id, MOM_CLOSE, 0, 0);
|
|
dest->midiDesc.hMidi = 0;
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
|
|
NTSTATUS midi_out_message(void *args)
|
|
{
|
|
struct midi_out_message_params *params = args;
|
|
|
|
params->notify->send_notify = FALSE;
|
|
|
|
switch (params->msg)
|
|
{
|
|
case DRVM_ENABLE:
|
|
case DRVM_DISABLE:
|
|
/* FIXME: Pretend this is supported */
|
|
*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;
|
|
default:
|
|
TRACE("Unsupported message\n");
|
|
*params->err = MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|