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| author | Andreas Eversberg <andreas@eversberg.eu> | 2009-05-22 11:04:49 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-05-25 00:51:34 -0700 |
| commit | bc138ec4ac58bb83e2d9d5c12328d5452294c1f0 (patch) | |
| tree | 059a02dfee5e813bdf21131aaa7c15085dd7f768 /drivers/isdn/mISDN/dsp.h | |
| parent | b5df5a5c3bf0f809d854ad7156ce26b709b533c0 (diff) | |
| download | linux-bc138ec4ac58bb83e2d9d5c12328d5452294c1f0.tar.bz2 | |
mISDN: Hardware acceleration is now possible in conjunction with audio recording
Audio recording requires software audio processing.
Both hardware and software processing is simultaniously possible now.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/mISDN/dsp.h')
| -rw-r--r-- | drivers/isdn/mISDN/dsp.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h index 41c6cfdca8c8..564ea3efd5e3 100644 --- a/drivers/isdn/mISDN/dsp.h +++ b/drivers/isdn/mISDN/dsp.h @@ -151,6 +151,15 @@ struct dsp_tone { struct timer_list tl; }; +/*************** + * echo stuff * + ***************/ + +struct dsp_echo { + int software; /* echo is generated by software */ + int hardware; /* echo is generated by hardware */ +}; + /***************** * general stuff * *****************/ @@ -161,7 +170,7 @@ struct dsp { struct mISDNchannel *up; unsigned char name[64]; int b_active; - int echo; /* echo is enabled */ + struct dsp_echo echo; int rx_disabled; /* what the user wants */ int rx_is_off; /* what the card is */ int tx_mix; |