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Mixer() now passes though SET_STREAM_FORMAT_xx commands properly

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This commit is contained in:
Ross Owen
2014-04-17 16:06:31 +01:00
parent 7e81b4b775
commit 04cc6a5b61
1 changed files with 26 additions and 7 deletions
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33
module_usb_audio/mixer/mixer.xc
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@@ -1,9 +1,11 @@
#include <xs1.h>
#include <print.h>
#include "mixer.h"
#include "devicedefines.h"
#include "xc_ptr.h"
#include "commands.h"
#ifdef MIXER
@@ -291,6 +293,7 @@ static void getSamplesFromDevice(chanend c, xc_ptr samples, int base)
static int mixer1_mix2_flag = (DEFAULT_FREQ > 96000);
#pragma unsafe arrays
static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
{
@@ -426,10 +429,30 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
{
int sampFreq;
#pragma xta endpoint "mixer1_rate_change"
inct(c_host);
sampFreq = inuint(c_host);
unsigned command = inct(c_host);
mixer1_mix2_flag = sampFreq > 96000;
switch(command)
{
case SET_SAMPLE_FREQ:
sampFreq = inuint(c_host);
mixer1_mix2_flag = sampFreq > 96000;
/* Inform mixer2 (or audio()) about freq change */
outct(c_mixer2, command);
outuint(c_mixer2, sampFreq);
break;
case SET_STREAM_FORMAT_OUT:
case SET_STREAM_FORMAT_IN:
/* Inform mixer2 (or audio()) about format change */
outct(c_mixer2, command);
outuint(c_mixer2, inuint(c_host));
outuint(c_mixer2, inuint(c_host));
break;
default:
break;
}
#pragma loop unroll
for (int i=0;i<MAX_MIX_COUNT;i++)
@@ -437,10 +460,6 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
write_via_xc_ptr_indexed(samples, (NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + i), 0);
}
/* Inform mixer2 (or audio())about freq change */
outct(c_mixer2, XS1_CT_END);
outuint(c_mixer2, sampFreq);
/* Wait for handshake and pass on */
chkct(c_mixer2, XS1_CT_END);
outct(c_host, XS1_CT_END);