audio improvement wip
[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
abe0ea43 4// max 16 jobs\r
cc68a136 5enum _940_job_t {\r
42c7b147 6 JOB940_INITALL = 1,\r
abe0ea43 7 JOB940_INVALIDATE_DCACHE,\r
cc68a136 8 JOB940_YM2612RESETCHIP,\r
9 JOB940_YM2612UPDATEONE,\r
42c7b147 10 JOB940_MP3DECODE,\r
abe0ea43 11 JOB940_PICOSTATELOAD,\r
cc68a136 12};\r
13\r
abe0ea43 14//#define MAX_940JOBS 2\r
cc68a136 15\r
16typedef struct\r
17{\r
abe0ea43 18 YM2612 ym2612; /* current state of the emulated YM2612 */\r
42c7b147 19 HMP3Decoder mp3dec; /* mp3 decoder's handle */\r
abe0ea43 20 int ym_buffer[44100/50*2]; /* this is where the YM2612 samples will be mixed to */\r
42c7b147 21 short mp3_buffer[2][1152*2]; /* buffers for mp3 decoder's output */\r
cc68a136 22} _940_data_t;\r
23\r
24\r
25typedef struct\r
26{\r
abe0ea43 27 int vstarts[8]; /* debug: 00: number of starts from each of 8 vectors */\r
28 int last_lr; /* debug: 20: last exception's lr */\r
29// int jobs[MAX_940JOBS]; /* jobs for second core */\r
30// int busy_; /* unused */\r
cc68a136 31 int length; /* number of samples to mix (882 max) */\r
32 int stereo; /* mix samples as stereo, doubles sample count automatically */\r
33 int baseclock; /* ym2612 settings */\r
34 int rate;\r
35 int writebuffsel; /* which write buffer to use (from 940 side) */\r
b837b69b 36 UINT16 writebuff0[2048]; /* list of writes to ym2612, 1024 for savestates, 1024 extra */\r
cc68a136 37 UINT16 writebuff1[2048];\r
85f8e929 38 int ym_active_chs;\r
42c7b147 39 int mp3_len; /* data len of loaded mp3 */\r
40 int mp3_offs; /* current playback offset (just after last decoded frame) */\r
41 int mp3_buffsel; /* which output buffer to decode to */\r
abe0ea43 42 int loopc; /* debug: main loop counter */\r
42c7b147 43 int mp3_errors; /* debug: mp3 decoder's error counter */\r
44 int mp3_lasterr; /* debug: mp3 decoder's last error */\r
4f265db7 45 int lastjob; /* debug: last job id */\r
cc68a136 46} _940_ctl_t;\r