src/lib/doslib/ext/libmad/playcom.h

   1
   2 #include <ext/libmad/mad.h>
   3
   4 #define mp3_data_size (16*1024)
   5
   6 #define COMMON_ABOUT_HELP_STR   "MP3 player v1.0 for DOS\n\n(C) 2008-2011 Jonathan Campbell\nALL RIGHTS RESERVED\n" \
   7         "32-bit protected mode version\n" \
   8         "\n" \
   9         "Uses libmad MP3 decoder library\n" \
  10         "(C) 2000-2004 Underbit Technologies, Inc."
  11
  12 extern char                             temp_str[512];
  13 extern unsigned char                    animator;
  14 extern int                              mp3_fd;
  15 extern char                             mp3_file[130];
  16 extern unsigned char                    mp3_stereo,mp3_16bit,mp3_bytes_per_sample;
  17 extern unsigned long                    mp3_data_offset,mp3_data_length,mp3_sample_rate;
  18 extern unsigned long                    mp3_sample_rate_by_timer_ticks;
  19 extern unsigned long                    mp3_sample_rate_by_timer;
  20 extern unsigned char                    mp3_flipsign;
  21 extern unsigned char                    mp3_playing;
  22
  23 /* libmad decoding state */
  24 extern unsigned char                    mad_init;
  25 extern struct mad_stream                mad_stream;
  26 extern struct mad_frame                 mad_frame;
  27 extern struct mad_synth                 mad_synth;
  28 extern unsigned char                    mad_synth_ready;
  29 extern unsigned int                     mad_synth_readofs;
  30 extern unsigned char                    mp3_data[mp3_data_size],*mp3_data_read,*mp3_data_write;
  31 extern volatile unsigned char           sb_irq_count;
  32 extern volatile unsigned char           IRQ_anim;
  33 extern uint32_t                         irq_0_count;
  34 extern uint32_t                         irq_0_adv;
  35 extern uint32_t                         irq_0_max;
  36 extern uint8_t                          irq_0_sent_command;
  37 extern unsigned char                    irq_0_had_warned;
  38 extern volatile uint32_t                irq_0_watchdog;
  39 extern uint32_t                         last_dma_position;
  40 extern int                              change_param_idx;
  41 #define PARAM_PRESET_RATES 17
  42 extern const unsigned short             param_preset_rates[PARAM_PRESET_RATES];
  43 extern const char*                      dos32_irq_0_warning;
  44
  45 extern const struct vga_menu_item menu_separator;
  46 extern const struct vga_menu_item main_menu_file_set;
  47 extern const struct vga_menu_item main_menu_file_quit;
  48 extern const struct vga_menu_item main_menu_playback_play;
  49 extern const struct vga_menu_item main_menu_playback_stop;
  50 extern const struct vga_menu_item main_menu_playback_params;
  51 extern const struct vga_menu_item main_menu_help_about;
  52
  53 void mp3_data_clear();
  54 void mp3_data_refill();
  55 void mp3_data_flush(unsigned char force);
  56 void free_libmad();
  57 unsigned char init_libmad();
  58 void draw_irq_indicator();
  59 void mad_reset_decoder();
  60 void irq_0_watchdog_do();
  61 void irq_0_watchdog_ack();
  62 void irq_0_watchdog_reset();
  63 void vga_write_until(unsigned int x);
  64 void prompt_play_mp3(unsigned char rec);
  65 int confirm_quit();
  66 void close_mp3();
  67 void open_mp3();
  68 int mad_more();
  69
  70 extern void (interrupt *old_irq_0)();
  71
  72 static inline unsigned char xdigit2int(char c) {
  73         if (c >= '0' && c <= '9')
  74                 return (unsigned char)(c - '0');
  75         else if (c >= 'a' && c <= 'f')
  76                 return (unsigned char)(c - 'a' + 10);
  77         else if (c >= 'A' && c <= 'F')
  78                 return (unsigned char)(c - 'A' + 10);
  79         return 0;
  80 }
  81
  82 /* provided by the calling program */
  83 void ui_anim(int force);
  84 void begin_play();
  85 void stop_play();
  86