playlist.c

A MP3 Player Source Code, Enjoy it!

#include <string.h>

#include "as31glue.h"
#include "printf.h"
#include "paulmon2.h"
#include "display.h"
#include "malloc.h"
#include "dirlist.h"
#include "playlist.h"
#include "stricmp.h"

simm_id current_playlist;
simm_id first_playlist;
simm_id last_playlist;

// #pragma NOGCSE

void playlist_init(void)
{
  first_playlist=0;
  last_playlist=0;
  current_playlist=0;
}

extern data simm_id temp_id;

void playlist_create(simm_id pl_name) 
{
  // simm_id temp_id;
  playlist_list_t * pl_l_struct;

  temp_id = simm_malloc((unsigned int)(sizeof(struct playlist_list_struct)));

  if(first_playlist == 0)
    {
      first_playlist = temp_id;
      last_playlist = temp_id;
      pl_l_struct = addr6(temp_id);
      pl_l_struct->prev = 0;
    }
  else
    {
      pl_l_struct = addr6(last_playlist);
      pl_l_struct->next = temp_id;
      pl_l_struct = addr6(temp_id);
      pl_l_struct->prev = last_playlist;
      last_playlist = temp_id;
    }
  current_playlist = temp_id;
  pl_l_struct->next = 0;
  pl_l_struct->playlist_start = 0;
  pl_l_struct->playlist_end = 0;

  pl_l_struct->name = pl_name;

  //printf("playlist %s created\r\n", addr6(pl_name));
}

void playlist_add_file(simm_id /* struct filelist_struct */ fl_rec) // Add file to current playlist
{
  // xdata simm_id temp_id;
  playlist_list_t * pl_l_struct;
  playlist_t * pl_struct;
 
  pl_l_struct = addr6(current_playlist);

  temp_id = simm_malloc((unsigned int)(sizeof(struct playlist_struct)));
  if(pl_l_struct->playlist_start == 0)
    {
      pl_l_struct->playlist_start = temp_id;
      pl_l_struct->playlist_end = temp_id;
      pl_struct = addr7(temp_id);
      pl_struct->prev = 0;
    }
  else
    {
      pl_struct = addr7(pl_l_struct->playlist_end);
      pl_struct->next = temp_id; 
      pl_struct = addr7(temp_id);
      pl_struct->prev = pl_l_struct->playlist_end;
      pl_l_struct->playlist_end = temp_id;
    }
  pl_struct->next = 0;
  pl_struct->fl_rec = fl_rec;
}

void playlist_show(void) // Shows the Current Playlist
{
  playlist_t * pl_struct;
  filelist_t * fl_struct;
  
  temp_id = ((playlist_list_t *)addr7(current_playlist))->playlist_start;
  while(temp_id != 0)
    {
      pl_struct = addr6(temp_id);
      fl_struct = addr7(pl_struct->fl_rec);
      print_str(addr6(fl_struct->long_name));
      print_crlf();
      temp_id = ((playlist_t *)addr6(temp_id))->next;
    }
}

void playlist_show_all() // Show all playlists
{
  playlist_list_t * pl_l_struct;

  current_playlist = first_playlist;
  while(current_playlist != 0)
    {
      pl_l_struct = addr6(current_playlist);
      print("\r\nPlaylist ");
      print_str(addr7(pl_l_struct->name));
      printf("(%s)",addr7(pl_l_struct->name)); // seems to print junk unless I do this
      print_crlf();
      playlist_show();
      print_crlf();
      pl_l_struct = addr6(current_playlist);
      current_playlist = pl_l_struct->next;
    }
  current_playlist = first_playlist; // Reset to first
}