mirror of
git://source.winehq.org/git/wine.git
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158 lines
4.4 KiB
C
158 lines
4.4 KiB
C
/*
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* MIDI driver for ALSA (PE-side)
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*
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* Copyright 1994 Martin Ayotte
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* Copyright 1998 Luiz Otavio L. Zorzella
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* Copyright 1998, 1999 Eric POUECH
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* Copyright 2003 Christian Costa
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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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#include <stdarg.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 "winternl.h"
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#include "mmddk.h"
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#include "mmdeviceapi.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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WINE_DEFAULT_DEBUG_CHANNEL(midi);
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static void notify_client(struct notify_context *notify)
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{
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TRACE("dev_id = %d msg = %d param1 = %04IX param2 = %04IX\n", notify->dev_id, notify->msg, notify->param_1, notify->param_2);
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DriverCallback(notify->callback, notify->flags, notify->device, notify->msg,
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notify->instance, notify->param_1, notify->param_2);
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}
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/*======================================================================*
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* MIDI entry points *
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*======================================================================*/
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/**************************************************************************
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* midMessage (WINEALSA.@)
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*/
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DWORD WINAPI ALSA_midMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
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DWORD_PTR dwParam1, DWORD_PTR dwParam2)
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{
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struct midi_in_message_params params;
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struct notify_context notify;
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UINT err;
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TRACE("(%04X, %04X, %08IX, %08IX, %08IX);\n",
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wDevID, wMsg, dwUser, dwParam1, dwParam2);
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params.dev_id = wDevID;
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params.msg = wMsg;
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params.user = dwUser;
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params.param_1 = dwParam1;
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params.param_2 = dwParam2;
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params.err = &err;
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params.notify = ¬ify;
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do
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{
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ALSA_CALL(midi_in_message, ¶ms);
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if ((!err || err == ERROR_RETRY) && notify.send_notify) notify_client(¬ify);
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} while (err == ERROR_RETRY);
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return err;
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}
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/**************************************************************************
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* modMessage (WINEALSA.@)
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*/
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DWORD WINAPI ALSA_modMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
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DWORD_PTR dwParam1, DWORD_PTR dwParam2)
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{
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struct midi_out_message_params params;
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struct notify_context notify;
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UINT err;
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TRACE("(%04X, %04X, %08IX, %08IX, %08IX);\n",
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wDevID, wMsg, dwUser, dwParam1, dwParam2);
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params.dev_id = wDevID;
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params.msg = wMsg;
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params.user = dwUser;
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params.param_1 = dwParam1;
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params.param_2 = dwParam2;
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params.err = &err;
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params.notify = ¬ify;
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ALSA_CALL(midi_out_message, ¶ms);
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if (!err && notify.send_notify) notify_client(¬ify);
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return err;
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}
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static DWORD WINAPI notify_thread(void *p)
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{
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struct midi_notify_wait_params params;
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struct notify_context notify;
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BOOL quit;
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SetThreadDescription(GetCurrentThread(), L"winealsa_midi_notify");
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params.notify = ¬ify;
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params.quit = &quit;
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while (1)
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{
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ALSA_CALL(midi_notify_wait, ¶ms);
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if (quit) break;
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if (notify.send_notify) notify_client(¬ify);
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}
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return 0;
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}
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/**************************************************************************
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* DriverProc (WINEALSA.@)
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*/
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LRESULT CALLBACK ALSA_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
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LPARAM dwParam1, LPARAM dwParam2)
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{
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switch(wMsg) {
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case DRV_LOAD:
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CloseHandle(CreateThread(NULL, 0, notify_thread, NULL, 0, NULL));
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return 1;
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case DRV_FREE:
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ALSA_CALL(midi_release, NULL);
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return 1;
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case DRV_OPEN:
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case DRV_CLOSE:
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case DRV_ENABLE:
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case DRV_DISABLE:
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case DRV_QUERYCONFIGURE:
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case DRV_CONFIGURE:
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return 1;
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case DRV_INSTALL:
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case DRV_REMOVE:
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return DRV_SUCCESS;
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default:
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return 0;
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}
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}
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