Mercurial > hg > forks > pwpunix
annotate pwplib/snd-oss.c @ 35:b9d679965320
Code cleanups.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Mon, 24 May 2010 01:22:33 +0300 |
| parents | c60e531d19cd |
| children | 85671798fdb3 |
| rev | line source |
|---|---|
| 0 | 1 #include "config.h" |
| 2 | |
| 3 #ifdef DRIVE_OSS | |
| 4 | |
| 5 #include <stdio.h> | |
| 6 #include <stdlib.h> | |
| 7 #include <unistd.h> | |
| 8 #include <fcntl.h> | |
| 9 | |
| 10 #include <linux/soundcard.h> | |
| 11 | |
| 12 #include "pwplib.h" | |
| 35 | 13 #include "gb.h" |
| 0 | 14 |
| 15 #define TIMERHZ 72 | |
| 16 | |
| 17 struct{ | |
| 18 int fd; | |
| 19 char buf[4096]; | |
| 20 int buflgt; | |
| 21 int freq; | |
| 22 }pwp_oss; | |
| 23 | |
| 24 void oss_loopflush() | |
| 25 { | |
| 26 for(;;) | |
| 27 {audio_buf_info bi;ioctl(pwp_oss.fd,SNDCTL_DSP_GETOSPACE,&bi); | |
| 28 if(bi.fragments==1)break; | |
| 29 pwplib.player(); | |
| 30 gb_genwave(pwp_oss.buf,pwp_oss.buflgt); | |
| 31 write(pwp_oss.fd,pwp_oss.buf,pwp_oss.buflgt); | |
| 32 if(bi.fragments<3)break; | |
| 33 } | |
| 34 } | |
| 35 | |
| 36 void oss_restore() | |
| 37 { | |
| 38 close(pwp_oss.fd); | |
| 39 } | |
| 40 | |
| 41 int oss_init() | |
| 42 { | |
| 43 pwp_oss.fd=open("/dev/dsp",O_WRONLY); | |
| 44 if(pwp_oss.fd<0)return 0; | |
| 45 | |
| 46 pwpwrite("* OSS sound\n"); | |
| 47 | |
| 48 pwp_oss.freq=8000; | |
| 49 pwp_oss.buflgt=pwp_oss.freq/TIMERHZ; | |
| 50 | |
| 51 pwplib.sound=gb_sound; | |
| 52 pwplib.loopflush=oss_loopflush; | |
| 53 gb_init(pwp_oss.freq); | |
| 54 | |
|
17
c60e531d19cd
Some misc. cleanups and minor warning removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
55 pwplib_regdestr(oss_restore); |
| 0 | 56 |
| 57 return 1; | |
| 58 } | |
| 59 #endif |