package/fonera-mp3/src/lib/mp3_states.c

   1 /*
   2 * FOXMP3
   3 * Copyright (c) 2006 acmesystems.it - john@acmesystems.it
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
  18 *
  19 * Feedback, Bugs...  info@acmesystems.it
  20 *
  21 */
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 #include <sys/poll.h>
  27 #include <signal.h>
  28 #include "mp3.h"
  29
  30 typedef struct _MP3_STATE {
  31         struct {
  32                 unsigned char volume;
  33                 unsigned char bass;
  34                 unsigned char treble;
  35         } decoder;
  36         struct {
  37                 unsigned char name[2048];
  38                 MP3_FILE_ID3 id3;
  39         } file;
  40         struct {
  41                 unsigned char url[2048];
  42                 unsigned char path[256];
  43                 unsigned int port;
  44         } stream;
  45         MP3_PLAYTIME playtime;
  46         } MP3_STATE;
  47
  48 static MP3_STATE mp3_state;
  49
  50 void state_startup_enter(int state_last, int event, EVENT_PARAM *param){
  51         mp3_state.decoder.volume = 0x30;
  52         mp3_state.decoder.bass = 1;
  53         mp3_state.file.name[0] = '\0';
  54         mp3_state.stream.url[0] = '\0';
  55         mp3_state.stream.path[0] = '\0';
  56         mp3_state.stream.port = 0;
  57         mp3_playtime_init(&mp3_state.playtime);
  58         mp3_init();
  59         mp3_nix_socket_setup();
  60         mp3_tcp_socket_setup();
  61 };
  62
  63 void state_idle_enter(int state_last, int event, EVENT_PARAM *param){
  64         mp3_stop();
  65         mp3_playtime_stop();
  66 };
  67
  68 void state_file_startup_enter(int state_last, int event, EVENT_PARAM *param){
  69         if(mp3_file_setup(param->text, &mp3_state.file.id3) == MP3_OK){
  70                 strcpy(mp3_state.file.name, param->text);
  71         } else {
  72                 state_event(MP3_EVENT_ERROR, NULL);
  73         };
  74 };
  75
  76 void state_file_startup_leave(int state_new, int event){
  77         if(state_new == MP3_STATE_FILE_HANDLE){
  78                 mp3_play();
  79                 mp3_playtime_start();
  80                 mp3_nix_socket_write("START FILE\n");
  81         };
  82 };
  83
  84 void state_file_handle_enter(int state_last, int event, EVENT_PARAM *param){
  85         int ret = mp3_file_handle();
  86         if(ret == MP3_ERROR){
  87                 state_event(MP3_EVENT_ERROR, NULL);
  88         };
  89         if(ret == MP3_END){
  90                 state_event(MP3_EVENT_END, NULL);
  91         };
  92
  93 };
  94
  95 void state_file_handle_leave(int state_new, int event){
  96         if(state_new != MP3_STATE_FILE_HANDLE){
  97                 mp3_playtime_stop();
  98                 mp3_file_cleanup();
  99                 mp3_nix_socket_write("STOP FILE\n");
 100         };
 101 };
 102
 103 void state_stream_startup_enter(int state_last, int event, EVENT_PARAM *param){
 104         if(mp3_stream_setup(param->text, param->numeric, mp3_state.stream.url,
 105                         mp3_state.stream.path, &mp3_state.stream.port) != MP3_OK){
 106                 state_event(MP3_EVENT_ERROR, NULL);
 107         };
 108 };
 109
 110 void state_stream_startup_leave(int state_new, int event){
 111         if(state_new == MP3_STATE_STREAM_HANDLE){
 112                 mp3_play();
 113                 mp3_playtime_start();
 114                 mp3_nix_socket_write("START STREAM\n");
 115         };
 116 };
 117
 118 void state_stream_handle_enter(int state_last, int event, EVENT_PARAM *param){
 119         if(mp3_stream_handle() == MP3_ERROR){
 120                 state_event(MP3_EVENT_ERROR, NULL);
 121         }
 122 };
 123
 124 void state_stream_handle_leave(int state_new, int event){
 125         if(state_new != MP3_STATE_STREAM_HANDLE){
 126                 mp3_stream_cleanup();
 127                 mp3_playtime_stop();
 128                 mp3_nix_socket_write("STOP STREAM\n");
 129         }
 130 };
 131
 132 extern STATE states[MAX_STATE_COUNT];
 133 void state_error_enter(int state_last, int event, EVENT_PARAM *param){
 134         if(param){
 135                 printf("Error in state %s -> %s\n", states[state_last].name, param->text);
 136                 mp3_nix_socket_write("ERROR Error in state %s -> %s\n", states[state_last].name, param->text);
 137         } else {
 138                 printf("Unknown error in state %s\n", states[state_last].name);
 139         };
 140 };
 141
 142 void state_shutdown_enter(int state_last, int event, EVENT_PARAM *param){
 143         printf("Entering state SHUTDOWN ...\n");
 144         printf("Shutting down player ...\n");
 145         mp3_nix_socket_cleanup();
 146         mp3_tcp_socket_cleanup();
 147         printf("Quitting statemachine ...\n");
 148         exit(0);
 149 };
 150 extern int state_current;
 151 void state_generic_event(unsigned int event, unsigned char in_int,
 152                 unsigned char *out_uchar){
 153         switch(event){
 154         case MP3_EVENT_GENERIC_VOLUME:
 155                 mp3_state.decoder.volume = in_int;
 156                 mp3_set_volume(mp3_state.decoder.volume,
 157                                 mp3_state.decoder.volume);
 158                 mp3_nix_socket_write("VOLUME %d\n", mp3_state.decoder.volume);
 159                 break;
 160         case MP3_EVENT_GENERIC_BASS:
 161                 mp3_state.decoder.bass = in_int;
 162                 mp3_bass(8, mp3_state.decoder.treble,
 163                                 8, mp3_state.decoder.bass);
 164                 mp3_nix_socket_write("BASS %d\n", mp3_state.decoder.bass);
 165                 break;
 166         case MP3_EVENT_GENERIC_STATE:
 167                 out_uchar[0] = '\0';
 168                 sprintf(out_uchar, "%sVOLUME %d\n",
 169                                 out_uchar, mp3_state.decoder.volume);
 170                 sprintf(out_uchar, "%sBASS %d\n",
 171                                 out_uchar, mp3_state.decoder.bass);
 172                 sprintf(out_uchar, "%sTREBLE %d\n",
 173                                 out_uchar, mp3_state.decoder.treble);
 174                 sprintf(out_uchar, "%sPLAYTIME %d\n",
 175                                 out_uchar,
 176                                 (mp3_state.playtime.playtime_mins * 60) + mp3_state.playtime.playtime_secs);
 177                 switch(state_current){
 178                 case MP3_STATE_IDLE:
 179                         sprintf(out_uchar, "%sSTATE MP3_STATE_IDLE\n", out_uchar);
 180                         break;
 181                 case MP3_STATE_FILE_START:
 182                 case MP3_STATE_FILE_HANDLE:
 183                         sprintf(out_uchar, "%sFILE %s\n", out_uchar,
 184                                         mp3_state.file.name);
 185                         if(strlen(mp3_state.file.id3.artist)){
 186                                 sprintf(out_uchar, "%sID3_ARTIST %s\n",
 187                                         out_uchar,
 188                                         mp3_state.file.id3.artist);
 189                         };
 190                         if(strlen(mp3_state.file.id3.album)){
 191                                 sprintf(out_uchar, "%sID3_ALBUM %s\n",
 192                                         out_uchar,
 193                                         mp3_state.file.id3.album);
 194                         };
 195                         if(strlen(mp3_state.file.id3.album)){
 196                                 sprintf(out_uchar, "%sID3_TRACK %s\n",
 197                                         out_uchar,
 198                                         mp3_state.file.id3.track);
 199                         };
 200                         sprintf(out_uchar, "%sSTATE MP3_STATE_FILE\n", out_uchar);
 201                         break;
 202                 case MP3_STATE_STREAM_START:
 203                 case MP3_STATE_STREAM_HANDLE:
 204                         sprintf(out_uchar, "%sSTREAM %s:%d%s\n", out_uchar,
 205                                         mp3_state.stream.url,
 206                                         mp3_state.stream.port,
 207                                         mp3_state.stream.path);
 208                         sprintf(out_uchar, "%sSTATE MP3_STATE_STREAM\n", out_uchar);
 209                         break;
 210                 default:
 211                         sprintf(out_uchar, "STATE Unkonwn\n");
 212                         break;
 213                 };
 214                 sprintf(out_uchar, "%sOK\n", out_uchar);
 215                 break;
 216         case MP3_EVENT_GENERIC_PLAYTIME:
 217         //      printf("%02d:%02d\n", mp3_state.playtime.playtime_mins,
 218         //                      mp3_state.playtime.playtime_secs);
 219                 break;
 220         default:
 221                 break;
 222         };
 223 };
 224