mirror of https://github.com/mpv-player/mpv
124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
/*
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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 <lirc/lirc_client.h>
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#include <errno.h>
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#include <fcntl.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 <stdlib.h>
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#include "core/mp_msg.h"
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#include "input.h"
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#include "lirc.h"
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static struct lirc_config *lirc_config;
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char *lirc_configfile;
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static char* cmd_buf = NULL;
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int
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mp_input_lirc_init(void) {
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int lirc_sock;
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int mode;
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mp_tmsg(MSGT_LIRC,MSGL_V,"Setting up LIRC support...\n");
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if((lirc_sock=lirc_init("mpv",0))==-1){
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mp_tmsg(MSGT_LIRC,MSGL_V,"Failed to open LIRC support. You will not be able to use your remote control.\n");
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return -1;
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}
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mode = fcntl(lirc_sock, F_GETFL);
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if (mode < 0 || fcntl(lirc_sock, F_SETFL, mode | O_NONBLOCK) < 0) {
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mp_msg(MSGT_LIRC, MSGL_ERR, "setting non-blocking mode failed: %s\n",
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strerror(errno));
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lirc_deinit();
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return -1;
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}
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if(lirc_readconfig( lirc_configfile,&lirc_config,NULL )!=0 ){
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mp_tmsg(MSGT_LIRC,MSGL_ERR,"Failed to read LIRC config file %s.\n",
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lirc_configfile == NULL ? "~/.lircrc" : lirc_configfile);
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lirc_deinit();
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return -1;
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}
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return lirc_sock;
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}
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int mp_input_lirc_read(int fd,char* dest, int s) {
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int r,cl = 0;
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char *code = NULL,*c = NULL;
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// We have something in the buffer return it
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if(cmd_buf != NULL) {
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int l = strlen(cmd_buf), w = l > s ? s : l;
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memcpy(dest,cmd_buf,w);
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l -= w;
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if(l > 0)
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memmove(cmd_buf,&cmd_buf[w],l+1);
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else {
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free(cmd_buf);
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cmd_buf = NULL;
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}
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return w;
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}
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// Nothing in the buffer, poll the lirc fd
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if(lirc_nextcode(&code) != 0) {
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mp_msg(MSGT_LIRC,MSGL_ERR,"Lirc error :(\n");
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return MP_INPUT_DEAD;
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}
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if(!code) return MP_INPUT_NOTHING;
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// We put all cmds in a single buffer separated by \n
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while((r = lirc_code2char(lirc_config,code,&c))==0 && c!=NULL) {
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int l = strlen(c);
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if(l <= 0)
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continue;
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cmd_buf = realloc(cmd_buf,cl+l+2);
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memcpy(&cmd_buf[cl],c,l);
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cl += l+1;
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cmd_buf[cl-1] = '\n';
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cmd_buf[cl] = '\0';
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}
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free(code);
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if(r < 0)
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return MP_INPUT_DEAD;
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else if(cmd_buf) // return the first command in the buffer
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return mp_input_lirc_read(fd,dest,s);
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else
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return MP_INPUT_RETRY;
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}
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int mp_input_lirc_close(int fd)
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{
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free(cmd_buf);
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cmd_buf = NULL;
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lirc_freeconfig(lirc_config);
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lirc_deinit();
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return 0;
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}
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