platform/gp2x/code940/940shared.h

   1 #include "../../../Pico/sound/ym2612.h"\r
   2 #include "../helix/pub/mp3dec.h"\r
   3 \r
   4 enum _940_job_t {\r
   5         JOB940_INITALL = 1,\r
   6         JOB940_YM2612RESETCHIP,\r
   7         JOB940_YM2612UPDATEONE,\r
   8         JOB940_PICOSTATELOAD,\r
   9         JOB940_MP3DECODE,\r
  10         JOB940_NUMJOBS\r
  11 };\r
  12 \r
  13 #define MAX_940JOBS     2\r
  14 \r
  15 typedef struct\r
  16 {\r
  17         YM2612  ym2612;                                 /* current state of the emulated YM2612 */\r
  18         HMP3Decoder mp3dec;                     /* mp3 decoder's handle */\r
  19         int     mix_buffer[44100/50*2];         /* this is where the YM2612 samples will be mixed to */\r
  20         short   mp3_buffer[2][1152*2];          /* buffers for mp3 decoder's output */\r
  21 } _940_data_t;\r
  22 \r
  23 \r
  24 typedef struct\r
  25 {\r
  26         int             jobs[MAX_940JOBS];                      /* jobs for second core */\r
  27         int             busy_;                                  /* unused */\r
  28         int             length;                                 /* number of samples to mix (882 max) */\r
  29         int             stereo;                                 /* mix samples as stereo, doubles sample count automatically */\r
  30         int             baseclock;                              /* ym2612 settings */\r
  31         int             rate;\r
  32         int             writebuffsel;                   /* which write buffer to use (from 940 side) */\r
  33         UINT16  writebuff0[2048];                       /* list of writes to ym2612, 1024 for savestates, 1024 extra */\r
  34         UINT16  writebuff1[2048];\r
  35         int             mp3_len;                        /* data len of loaded mp3 */\r
  36         int             mp3_offs;                       /* current playback offset (just after last decoded frame) */\r
  37         int             mp3_buffsel;                    /* which output buffer to decode to */\r
  38         int             vstarts[8];                             /* debug: number of starts from each of 8 vectors */\r
  39         int             loopc;                                  /* debug: main loop counter */\r
  40         int             mp3_errors;                     /* debug: mp3 decoder's error counter */\r
  41         int             mp3_lasterr;                    /* debug: mp3 decoder's last error */\r
  42         int             last_irq_pc;                    /* debug: PC value when IRQ happened */\r
  43         int             lastjob;                        /* debug: last job id */\r
  44         int             lastbusy;                       /* debug: */\r
  45 } _940_ctl_t;\r