diff options
| 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_core.c | |
| parent | b5df5a5c3bf0f809d854ad7156ce26b709b533c0 (diff) | |
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_core.c')
| -rw-r--r-- | drivers/isdn/mISDN/dsp_core.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index 6b4939854306..a0e0af81eb2e 100644 --- a/drivers/isdn/mISDN/dsp_core.c +++ b/drivers/isdn/mISDN/dsp_core.c @@ -203,13 +203,13 @@ dsp_rx_off_member(struct dsp *dsp) else if (dsp->dtmf.software) rx_off = 0; /* echo in software */ - else if (dsp->echo && dsp->pcm_slot_tx < 0) + else if (dsp->echo.software) rx_off = 0; /* bridge in software */ - else if (dsp->conf) { - if (dsp->conf->software) - rx_off = 0; - } + else if (dsp->conf && dsp->conf->software) + rx_off = 0; + /* data is not required by user space and not required + * for echo dtmf detection, soft-echo, soft-bridging */ if (rx_off == dsp->rx_is_off) return; @@ -415,7 +415,7 @@ tone_off: dsp_rx_off(dsp); break; case DSP_ECHO_ON: /* enable echo */ - dsp->echo = 1; /* soft echo */ + dsp->echo.software = 1; /* soft echo */ if (dsp_debug & DEBUG_DSP_CORE) printk(KERN_DEBUG "%s: enable cmx-echo\n", __func__); dsp_cmx_hardware(dsp->conf, dsp); @@ -424,7 +424,8 @@ tone_off: dsp_cmx_debug(dsp); break; case DSP_ECHO_OFF: /* disable echo */ - dsp->echo = 0; + dsp->echo.software = 0; + dsp->echo.hardware = 0; if (dsp_debug & DEBUG_DSP_CORE) printk(KERN_DEBUG "%s: disable cmx-echo\n", __func__); dsp_cmx_hardware(dsp->conf, dsp); @@ -722,7 +723,7 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb) skb->len, (dsp_options&DSP_OPT_ULAW)?1:0); } /* we need to process receive data if software */ - if (dsp->pcm_slot_tx < 0 && dsp->pcm_slot_rx < 0) { + if (dsp->conf && dsp->conf->software) { /* process data from card at cmx */ dsp_cmx_receive(dsp, skb); } |