stream/cdinfo.c

   1 /*
   2  * CD Info
   3  * by Bertrand Baudet <bertrand_baudet@yahoo.com>
   4  * (C) 2002, MPlayer team.
   5 */
   6
   7 #include "config.h"
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include "mp_msg.h"
  13 #include "help_mp.h"
  14 #include "cdd.h"
  15
  16 /*******************************************************************************************************************
  17  *
  18  * xmcd parser, cd info list
  19  *
  20  *******************************************************************************************************************/
  21
  22 cd_info_t*
  23 cd_info_new() {
  24         cd_info_t *cd_info = NULL;
  25
  26         cd_info = malloc(sizeof(cd_info_t));
  27         if( cd_info==NULL ) {
  28                 mp_msg(MSGT_DEMUX, MSGL_ERR, MSGTR_MemAllocFailed);
  29                 return NULL;
  30         }
  31
  32         memset(cd_info, 0, sizeof(cd_info_t));
  33
  34         return cd_info;
  35 }
  36
  37 void
  38 cd_info_free(cd_info_t *cd_info) {
  39         cd_track_t *cd_track, *cd_track_next;
  40         if( cd_info==NULL ) return;
  41         if( cd_info->artist!=NULL ) free(cd_info->artist);
  42         if( cd_info->album!=NULL ) free(cd_info->album);
  43         if( cd_info->genre!=NULL ) free(cd_info->genre);
  44
  45         cd_track_next = cd_info->first;
  46         while( cd_track_next!=NULL ) {
  47                 cd_track = cd_track_next;
  48                 cd_track_next = cd_track->next;
  49                 if( cd_track->name!=NULL ) free(cd_track->name);
  50                 free(cd_track);
  51         }
  52 }
  53
  54 cd_track_t*
  55 cd_info_add_track(cd_info_t *cd_info, char *track_name, unsigned int track_nb, unsigned int min, unsigned int sec, unsigned int msec, unsigned long frame_begin, unsigned long frame_length) {
  56         cd_track_t *cd_track;
  57
  58         if( cd_info==NULL || track_name==NULL ) return NULL;
  59
  60         cd_track = malloc(sizeof(cd_track_t));
  61         if( cd_track==NULL ) {
  62                 mp_msg(MSGT_DEMUX, MSGL_ERR, MSGTR_MemAllocFailed);
  63                 return NULL;
  64         }
  65         memset(cd_track, 0, sizeof(cd_track_t));
  66
  67         cd_track->name = malloc(strlen(track_name)+1);
  68         if( cd_track->name==NULL ) {
  69                 mp_msg(MSGT_DEMUX, MSGL_ERR, MSGTR_MemAllocFailed);
  70                 free(cd_track);
  71                 return NULL;
  72         }
  73         strcpy(cd_track->name, track_name);
  74         cd_track->track_nb = track_nb;
  75         cd_track->min = min;
  76         cd_track->sec = sec;
  77         cd_track->msec = msec;
  78         cd_track->frame_begin = frame_begin;
  79         cd_track->frame_length = frame_length;
  80
  81         if( cd_info->first==NULL ) {
  82                 cd_info->first = cd_track;
  83         }
  84         if( cd_info->last!=NULL ) {
  85                 cd_info->last->next = cd_track;
  86         }
  87
  88         cd_track->prev = cd_info->last;
  89
  90         cd_info->last = cd_track;
  91         cd_info->current = cd_track;
  92
  93         cd_info->nb_tracks++;
  94
  95         return cd_track;
  96 }
  97
  98 cd_track_t*
  99 cd_info_get_track(cd_info_t *cd_info, unsigned int track_nb) {
 100         cd_track_t *cd_track=NULL;
 101
 102         if( cd_info==NULL ) return NULL;
 103
 104         cd_track = cd_info->first;
 105         while( cd_track!=NULL ) {
 106                 if( cd_track->track_nb==track_nb ) {
 107                         return cd_track;
 108                 }
 109                 cd_track = cd_track->next;
 110         }
 111         return NULL;
 112 }
 113
 114 void
 115 cd_info_debug(cd_info_t *cd_info) {
 116         cd_track_t *current_track;
 117         printf("================ CD INFO === start =========\n");
 118         if( cd_info==NULL ) {
 119                 printf("cd_info is NULL\n");
 120                 return;
 121         }
 122         printf(" artist=[%s]\n", cd_info->artist);
 123         printf(" album=[%s]\n", cd_info->album);
 124         printf(" genre=[%s]\n", cd_info->genre);
 125         printf(" nb_tracks=%d\n", cd_info->nb_tracks);
 126         printf(" length= %2d:%02d.%02d\n", cd_info->min, cd_info->sec, cd_info->msec);
 127         current_track = cd_info->first;
 128         while( current_track!=NULL ) {
 129                 printf("  #%2d %2d:%02d.%02d @ %7ld\t[%s] \n", current_track->track_nb, current_track->min, current_track->sec, current_track->msec, current_track->frame_begin, current_track->name);
 130                 current_track = current_track->next;
 131         }
 132         printf("================ CD INFO ===  end  =========\n");
 133 }