patch-2.0.31 linux/drivers/isdn/isdn_audio.h
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- Lines: 67
- Date:
Mon Aug 4 17:34:00 1997
- Orig file:
v2.0.30/linux/drivers/isdn/isdn_audio.h
- Orig date:
Fri Jun 7 06:02:40 1996
diff -u --recursive --new-file v2.0.30/linux/drivers/isdn/isdn_audio.h linux/drivers/isdn/isdn_audio.h
@@ -1,9 +1,9 @@
-/* $Id: isdn_audio.h,v 1.4 1996/06/06 14:43:32 fritz Exp $
- *
+/* $Id: isdn_audio.h,v 1.5 1997/02/03 22:45:21 fritz Exp $
+
* Linux ISDN subsystem, audio conversion and compression (linklevel).
*
* Copyright 1994,95,96 by Fritz Elfert (fritz@wuemaus.franken.de)
- *
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
@@ -16,9 +16,12 @@
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Log: isdn_audio.h,v $
+ * Revision 1.5 1997/02/03 22:45:21 fritz
+ * Reformatted according CodingStyle
+ *
* Revision 1.4 1996/06/06 14:43:32 fritz
* Changed to support DTMF decoding on audio playback also.
*
@@ -33,27 +36,27 @@
*
*/
-#define DTMF_NPOINTS 205 /* Number of samples for DTMF recognition */
+#define DTMF_NPOINTS 205 /* Number of samples for DTMF recognition */
typedef struct adpcm_state {
- int a;
- int d;
- int word;
- int nleft;
- int nbits;
+ int a;
+ int d;
+ int word;
+ int nleft;
+ int nbits;
} adpcm_state;
typedef struct dtmf_state {
- char last;
- int idx;
- int buf[DTMF_NPOINTS];
+ char last;
+ int idx;
+ int buf[DTMF_NPOINTS];
} dtmf_state;
extern void isdn_audio_ulaw2alaw(unsigned char *, unsigned long);
extern void isdn_audio_alaw2ulaw(unsigned char *, unsigned long);
extern adpcm_state *isdn_audio_adpcm_init(adpcm_state *, int);
-extern int isdn_audio_adpcm2xlaw(adpcm_state *, int, unsigned char *, unsigned char *, int);
-extern int isdn_audio_xlaw2adpcm(adpcm_state *, int, unsigned char *, unsigned char *, int);
-extern int isdn_audio_2adpcm_flush(adpcm_state *s, unsigned char *out);
+extern int isdn_audio_adpcm2xlaw(adpcm_state *, int, unsigned char *, unsigned char *, int);
+extern int isdn_audio_xlaw2adpcm(adpcm_state *, int, unsigned char *, unsigned char *, int);
+extern int isdn_audio_2adpcm_flush(adpcm_state * s, unsigned char *out);
extern void isdn_audio_calc_dtmf(modem_info *, unsigned char *, int, int);
extern void isdn_audio_eval_dtmf(modem_info *);
dtmf_state *isdn_audio_dtmf_init(dtmf_state *);
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