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| -rw-r--r-- | sound/mididrv.cpp | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/sound/mididrv.cpp b/sound/mididrv.cpp deleted file mode 100644 index 0131d3af91..0000000000 --- a/sound/mididrv.cpp +++ /dev/null @@ -1,185 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2001 Ludvig Strigeus - * Copyright (C) 2001-2003 The ScummVM project - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * $Header$ - */ - -/* - * Raw output support by Michael Pearce - * Alsa support by Nicolas Noble <nicolas@nobis-crew.org> copied from - * both the QuickTime support and (vkeybd http://www.alsa-project.org/~iwai/alsa.html) - */ - -#include "stdafx.h" -#include "mididrv.h" -#include "mpu401.h" -#include "common/engine.h" // for warning/error/debug -#include "common/util.h" // for ARRAYSIZE - -/* Default (empty) property method */ -uint32 MidiDriver::property(int prop, uint32 param) { - return 0; -} - -/* retrieve a string representation of an error code */ -const char *MidiDriver::getErrorName(int error_code) { - static const char *const midi_errors[] = { - "No error", - "Cannot connect", - "Streaming not available", - "Device not available", - "Driver already open" - }; - - if ((uint) error_code >= ARRAYSIZE(midi_errors)) - return "Unknown Error"; - return midi_errors[error_code]; -} - -#if defined(UNIX) && !defined(__BEOS__) -#define SEQ_MIDIPUTC 5 -#define SPECIAL_CHANNEL 9 - -class MidiDriver_SEQ : public MidiDriver_MPU401 { -public: - MidiDriver_SEQ(); - int open(); - void close(); - void send(uint32 b); - void sysEx(byte *msg, uint16 length); - -private: - bool _isOpen; - int device, _device_num; -}; - -MidiDriver_SEQ::MidiDriver_SEQ() { - _isOpen = false; - device = 0; - _device_num = 0; -} - -int MidiDriver_SEQ::open() { - if (_isOpen) - return MERR_ALREADY_OPEN; - _isOpen = true; - device = 0; - - char *device_name = getenv("SCUMMVM_MIDI"); - if (device_name != NULL) { - device = (::open((device_name), O_RDWR, 0)); - } else { - warning("You need to set-up the SCUMMVM_MIDI environment variable properly (see README) "); - } - if ((device_name == NULL) || (device < 0)) { - if (device_name == NULL) - warning("Opening /dev/null (no music will be heard) "); - else - warning("Cannot open rawmidi device %s - using /dev/null (no music will be heard) ", - device_name); - device = (::open(("/dev/null"), O_RDWR, 0)); - if (device < 0) - error("Cannot open /dev/null to dump midi output"); - } - - if (getenv("SCUMMVM_MIDIPORT")) - _device_num = atoi(getenv("SCUMMVM_MIDIPORT")); - return 0; -} - -void MidiDriver_SEQ::close() { - ::close(device); - _isOpen = false; -} - -void MidiDriver_SEQ::send(uint32 b) { - unsigned char buf[256]; - int position = 0; - - switch (b & 0xF0) { - case 0x80: - case 0x90: - case 0xA0: - case 0xB0: - case 0xE0: - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = (unsigned char)b; - buf[position++] = _device_num; - buf[position++] = 0; - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = (unsigned char)((b >> 8) & 0x7F); - buf[position++] = _device_num; - buf[position++] = 0; - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = (unsigned char)((b >> 16) & 0x7F); - buf[position++] = _device_num; - buf[position++] = 0; - break; - case 0xC0: - case 0xD0: - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = (unsigned char)b; - buf[position++] = _device_num; - buf[position++] = 0; - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = (unsigned char)((b >> 8) & 0x7F); - buf[position++] = _device_num; - buf[position++] = 0; - break; - default: - fprintf(stderr, "Unknown : %08x\n", (int)b); - break; - } - write(device, buf, position); -} - -void MidiDriver_SEQ::sysEx (byte *msg, uint16 length) { - if (length > 254) { - warning ("Cannot send SysEx block - data too large"); - return; - } - - unsigned char buf [1024]; - int position = 0; - byte *chr = msg; - - // Should be we using EV_SYSEX instead of SEQ_MIDIPUTC? - // I'm not sure how to send EV_SYSEX. - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = 0xFF; - buf[position++] = _device_num; - buf[position++] = 0; - for (; length; --length) { - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = (unsigned char) *chr; - buf[position++] = _device_num; - buf[position++] = 0; - } - buf[position++] = SEQ_MIDIPUTC; - buf[position++] = 0xF7; - buf[position++] = _device_num; - buf[position++] = 0; - write (device, buf, position); -} - -MidiDriver *MidiDriver_SEQ_create() { - return new MidiDriver_SEQ(); -} - -#endif - |