mirror of https://github.com/mpv-player/mpv
153 lines
4.1 KiB
C
153 lines
4.1 KiB
C
/*
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* Linux Apple IR Remote input interface
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*
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* Copyright (C) 2008 Benjamin Zores <ben at geexbox dot org>
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "ar.h"
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#include "input.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.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 <errno.h>
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#include <linux/types.h>
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#include <linux/input.h>
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#include "mp_msg.h"
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#include "help_mp.h"
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#define EVDEV_MAX_EVENTS 32
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/* ripped from AppleIR driver */
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#define USB_VENDOR_APPLE 0x05ac
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#define USB_DEV_APPLE_IR 0x8240
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#define USB_DEV_APPLE_IR_2 0x8242
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/* Apple IR Remote evdev mapping */
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#define APPLE_IR_MINUS KEY_VOLUMEDOWN
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#define APPLE_IR_PLUS KEY_VOLUMEUP
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#define APPLE_IR_MENU KEY_MENU
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#define APPLE_IR_FORWARD KEY_NEXTSONG
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#define APPLE_IR_PLAY KEY_PLAYPAUSE
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#define APPLE_IR_BACKWARD KEY_PREVIOUSSONG
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static const struct {
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int linux_keycode;
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int value;
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int mp_keycode;
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} apple_ir_mapping[] = {
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{ APPLE_IR_PLAY, 1, AR_PLAY },
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{ APPLE_IR_PLAY, 2, AR_PLAY_HOLD },
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{ APPLE_IR_FORWARD, 1, AR_NEXT },
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{ APPLE_IR_FORWARD, 2, AR_NEXT_HOLD },
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{ APPLE_IR_BACKWARD, 1, AR_PREV },
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{ APPLE_IR_BACKWARD, 2, AR_PREV_HOLD },
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{ APPLE_IR_MENU, 1, AR_MENU },
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{ APPLE_IR_MENU, 2, AR_MENU_HOLD },
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{ APPLE_IR_PLUS, 1, AR_VUP },
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{ APPLE_IR_MINUS, 1, AR_VDOWN },
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{ -1, -1, -1 }
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};
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int mp_input_appleir_init (char *dev)
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{
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int i, fd;
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if (dev)
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{
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mp_msg (MSGT_INPUT, MSGL_V, MSGTR_INPUT_APPLE_IR_Init, dev);
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fd = open (dev, O_RDONLY | O_NONBLOCK);
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if (fd < 0)
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{
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mp_msg (MSGT_INPUT, MSGL_ERR,
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MSGTR_INPUT_APPLE_IR_CantOpen, strerror (errno));
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return -1;
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}
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return fd;
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}
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else
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{
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/* look for a valid AppleIR device on system */
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for (i = 0; i < EVDEV_MAX_EVENTS; i++)
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{
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struct input_id id;
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char file[64];
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sprintf (file, "/dev/input/event%d", i);
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fd = open (file, O_RDONLY | O_NONBLOCK);
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if (fd < 0)
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continue;
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ioctl (fd, EVIOCGID, &id);
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if (id.bustype == BUS_USB &&
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id.vendor == USB_VENDOR_APPLE &&
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(id.product == USB_DEV_APPLE_IR ||id.product == USB_DEV_APPLE_IR_2))
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{
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mp_msg (MSGT_INPUT, MSGL_V, MSGTR_INPUT_APPLE_IR_Detect, file);
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return fd;
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}
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close (fd);
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}
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mp_msg (MSGT_INPUT, MSGL_ERR,
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MSGTR_INPUT_APPLE_IR_CantOpen, strerror (errno));
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}
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return -1;
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}
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int mp_input_appleir_read (int fd)
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{
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struct input_event ev;
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int i, r;
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r = read (fd, &ev, sizeof (struct input_event));
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if (r <= 0 || r < sizeof (struct input_event))
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return MP_INPUT_NOTHING;
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/* check for key press only */
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if (ev.type != EV_KEY)
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return MP_INPUT_NOTHING;
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/* EvDev Key values:
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* 0: key release
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* 1: key press
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* 2: key auto-repeat
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*/
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if (ev.value == 0)
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return MP_INPUT_NOTHING;
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/* find Linux evdev -> MPlayer keycode mapping */
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for (i = 0; apple_ir_mapping[i].linux_keycode != -1; i++)
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if (apple_ir_mapping[i].linux_keycode == ev.code &&
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apple_ir_mapping[i].value == ev.value)
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return apple_ir_mapping[i].mp_keycode;
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return MP_INPUT_NOTHING;
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}
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