From 03bc20b9d2aca8a23ab22e474f590d9dfcd5a2eb Mon Sep 17 00:00:00 2001
From: Jonathan Wilkes <jon.w.wilkes@gmail.com>
Date: Tue, 18 Sep 2018 21:58:06 -0400
Subject: [PATCH] update mmio backend to work with double precision
---
pd/src/s_audio_mmio.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/pd/src/s_audio_mmio.c b/pd/src/s_audio_mmio.c
index 6bb1f0877..0ada2c23c 100644
--- a/pd/src/s_audio_mmio.c
+++ b/pd/src/s_audio_mmio.c
@@ -32,12 +32,12 @@ int nt_realdacblksize;
#define MAXBUFFER 100 /* number of buffers in use at maximum advance */
#define DEFBUFFER 30 /* default is about 30x6 = 180 msec! */
static int nt_naudiobuffer = DEFBUFFER;
-float sys_dacsr = DEFAULTSRATE;
+t_float sys_dacsr = DEFAULTSRATE;
static int nt_whichapi = API_MMIO;
static int nt_meters; /* true if we're metering */
-static float nt_inmax; /* max input amplitude */
-static float nt_outmax; /* max output amplitude */
+static t_float nt_inmax; /* max input amplitude */
+static t_float nt_outmax; /* max output amplitude */
static int nt_nwavein, nt_nwaveout; /* number of WAVE devices in and out */
typedef struct _sbuf
@@ -489,7 +489,7 @@ void nt_logerror(int which)
/* system buffer with t_sample types for one tick */
t_sample *sys_soundout;
t_sample *sys_soundin;
-float sys_dacsr;
+t_float sys_dacsr;
int mmio_send_dacs(void)
{
@@ -498,7 +498,7 @@ int mmio_send_dacs(void)
HANDLE hFormat;
int i, j;
short *sp1, *sp2;
- float *fp1, *fp2;
+ t_float *fp1, *fp2;
int nextfill, doxfer = 0;
int nda, nad;
if (!nt_nwavein && !nt_nwaveout) return (0);
@@ -507,11 +507,11 @@ int mmio_send_dacs(void)
if (nt_meters)
{
int i, n;
- float maxsamp;
+ t_float maxsamp;
for (i = 0, n = 2 * nt_nwavein * DEFDACBLKSIZE, maxsamp = nt_inmax;
i < n; i++)
{
- float f = sys_soundin[i];
+ t_float f = sys_soundin[i];
if (f > maxsamp) maxsamp = f;
else if (-f > maxsamp) maxsamp = -f;
}
@@ -519,7 +519,7 @@ int mmio_send_dacs(void)
for (i = 0, n = 2 * nt_nwaveout * DEFDACBLKSIZE, maxsamp = nt_outmax;
i < n; i++)
{
- float f = sys_soundout[i];
+ t_float f = sys_soundout[i];
if (f > maxsamp) maxsamp = f;
else if (-f > maxsamp) maxsamp = -f;
}
@@ -600,7 +600,7 @@ int mmio_send_dacs(void)
for (j = 0, fp2 = fp1, sp2 = sp1; j < DEFDACBLKSIZE;
j++, fp2++, sp2 += CHANNELS_PER_DEVICE)
{
- *fp2 = ((float)(1./32767.)) * (float)(*sp2);
+ *fp2 = ((t_float)(1./32767.)) * (t_float)(*sp2);
}
}
}
--
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