PCM sound, refactored code940
[picodrive.git] / platform / gp2x / code940 / 940shared.h
CommitLineData
42c7b147 1#include "../../../Pico/sound/ym2612.h"\r
2#include "../helix/pub/mp3dec.h"\r
cc68a136 3\r
4enum _940_job_t {\r
42c7b147 5 JOB940_INITALL = 1,\r
cc68a136 6 JOB940_YM2612RESETCHIP,\r
7 JOB940_YM2612UPDATEONE,\r
8 JOB940_PICOSTATELOAD,\r
42c7b147 9 JOB940_MP3DECODE,\r
cc68a136 10 JOB940_NUMJOBS\r
11};\r
12\r
b837b69b 13#define MAX_940JOBS 2\r
cc68a136 14\r
15typedef struct\r
16{\r
42c7b147 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
cc68a136 21} _940_data_t;\r
22\r
23\r
24typedef struct\r
25{\r
b837b69b 26 int jobs[MAX_940JOBS]; /* jobs for second core */\r
4f265db7 27 int busy_; /* unused */\r
cc68a136 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
b837b69b 33 UINT16 writebuff0[2048]; /* list of writes to ym2612, 1024 for savestates, 1024 extra */\r
cc68a136 34 UINT16 writebuff1[2048];\r
42c7b147 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
cc68a136 38 int vstarts[8]; /* debug: number of starts from each of 8 vectors */\r
39 int loopc; /* debug: main loop counter */\r
42c7b147 40 int mp3_errors; /* debug: mp3 decoder's error counter */\r
41 int mp3_lasterr; /* debug: mp3 decoder's last error */\r
4f265db7 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
cc68a136 45} _940_ctl_t;\r