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https://github.com/libretro/scummvm.git
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91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include <sfx_engine.h>
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#include "../device.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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namespace Sci {
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#define SCI_UNIXRAW_MIDI_VERSION "0.1"
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#ifndef O_SYNC
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# define O_SYNC 0
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#endif
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static int fd;
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static const char *devicename = "/dev/midi";
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static Common::Error unixraw_init(midi_writer_t *self) {
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sciprintf("[SFX] Initialising UNIX raw MIDI backend, v%s\n", SCI_UNIXRAW_MIDI_VERSION);
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fd = open(devicename, O_WRONLY | O_SYNC);
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if (!IS_VALID_FD(fd)) {
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sciprintf("[SFX] Failed to open %s\n", devicename);
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return Common::kUnknownError;
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}
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return Common::kNoError;
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}
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static Common::Error unixraw_set_option(midi_writer_t *self, char *name, char *value) {
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return Common::kUnknownError;
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}
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static Common::Error unixraw_write(midi_writer_t *self, unsigned char *buffer, int len) {
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if (write(fd, buffer, len) != len) {
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sciprintf("[SFX] MIDI write error\n");
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return Common::kUnknownError;
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}
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return Common::kNoError;
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}
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static void unixraw_delay(midi_writer_t *self, int ticks) {
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}
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static void unixraw_reset_timer(midi_writer_t *self) {
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}
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static void unixraw_close(midi_writer_t *self) {
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close(fd);
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}
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midi_writer_t sfx_device_midi_unixraw = {
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"unixraw-midi",
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&unixraw_init,
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&unixraw_set_option,
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&unixraw_write,
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&unixraw_delay,
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NULL,
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&unixraw_reset_timer,
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&unixraw_close
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};
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} // End of namespace Sci
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