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-rw-r--r--desiredata/src/s_audio_mmio.c57
1 files changed, 20 insertions, 37 deletions
diff --git a/desiredata/src/s_audio_mmio.c b/desiredata/src/s_audio_mmio.c
index 9165ee93..73fb20d0 100644
--- a/desiredata/src/s_audio_mmio.c
+++ b/desiredata/src/s_audio_mmio.c
@@ -5,17 +5,15 @@
/* modified 2/98 by Winfried Ritsch to deal with up to 4 synchronized
"wave" devices, which is how ADAT boards appear to the WAVE API. */
-#include "m_pd.h"
+#include "desire.h"
#include "s_stuff.h"
#include <stdio.h>
#include <windows.h>
-#include <MMSYSTEM.H>
+#include <mmsystem.h>
/* ------------------------- audio -------------------------- */
-static void nt_close_midiin();
static void nt_noresync();
-static void postflags();
#define NAPORTS 16 /* wini hack for multiple ADDA devices */
#define CHANNELS_PER_DEVICE 2
@@ -29,9 +27,7 @@ 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;
-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 */
@@ -342,9 +338,6 @@ static void nt_resyncaudio() {
#define LATE 0
#define RESYNC 1
#define NOTHING 2
-static int nt_errorcount;
-static int nt_resynccount;
-static double nt_nextreporttime = -1;
void nt_logerror(int which) {
#if 0
@@ -360,33 +353,20 @@ void nt_logerror(int which) {
#endif
}
-/* system buffer with t_sample types for one tick */
-t_sample *sys_soundout;
-t_sample *sys_soundin;
-float sys_dacsr;
-
int mmio_send_dacs() {
- HMMIO hmmio;
UINT mmresult;
- HANDLE hFormat;
- int i, j;
- short *sp1, *sp2;
- float *fp1, *fp2;
- int nextfill, doxfer = 0;
if (!nt_nwavein && !nt_nwaveout) return 0;
if (nt_meters) {
- int i, n;
- float maxsamp;
- for (i = 0, n = 2 * nt_nwavein * sys_dacblocksize, maxsamp = nt_inmax; i < n; i++) {
+ float maxsamp = nt_inmax;
+ for (int i=0, n=2*nt_nwavein*sys_dacblocksize; i<n; i++) {
float f = sys_soundin[i];
- if (f > maxsamp) maxsamp = f;
- else if (-f > maxsamp) maxsamp = -f;
+ if (f > maxsamp) maxsamp = f; else if (-f > maxsamp) maxsamp = -f;
}
nt_inmax = maxsamp;
- for (i = 0, n = 2 * nt_nwaveout * sys_dacblocksize, maxsamp = nt_outmax; i < n; i++) {
+ maxsamp = nt_outmax;
+ for (int i=0, n=2*nt_nwaveout*sys_dacblocksize; i<n; i++) {
float f = sys_soundout[i];
- if (f > maxsamp) maxsamp = f;
- else if (-f > maxsamp) maxsamp = -f;
+ if (f > maxsamp) maxsamp = f; else if (-f > maxsamp) maxsamp = -f;
}
nt_outmax = maxsamp;
}
@@ -415,15 +395,17 @@ int mmio_send_dacs() {
}
}
/* Convert audio output to fixed-point and put it in the output buffer. */
+ int i, j;
+ short *sp1, *sp2;
+ float *fp1, *fp2;
fp1 = sys_soundout;
for (int nda=0; nda<nt_nwaveout; nda++) {
int phase = ntsnd_outphase[nda];
- for (i=0, sp1=(short *)(ntsnd_outvec[nda][phase].lpData)+CHANNELS_PER_DEVICE*nt_fill; i<2; i++, fp1 += sys_dacblocksize, sp1++) {
- for (j = 0, fp2 = fp1, sp2 = sp1; j < sys_dacblocksize; j++, fp2++, sp2 += CHANNELS_PER_DEVICE) {
- int x1 = 32767.f * *fp2;
- if (x1 > 32767) x1 = 32767;
- else if (x1 < -32767) x1 = -32767;
- *sp2 = x1;
+ sp1=(short *)(ntsnd_outvec[nda][phase].lpData)+CHANNELS_PER_DEVICE*nt_fill;
+ for (int i=0; i<2; i++, fp1 += sys_dacblocksize, sp1++) {
+ fp2 = fp1; sp2 = sp1;
+ for (int j=0; j<sys_dacblocksize; j++, fp2++, sp2 += CHANNELS_PER_DEVICE) {
+ *sp2 = clip(int(*fp2*32767),-32768,32767);
}
}
}
@@ -497,9 +479,9 @@ idle:
/* ------------------- public routines -------------------------- */
-void mmio_open_audio(int naudioindev, int *audioindev,
-int nchindev, int *chindev, int naudiooutdev, int *audiooutdev,
-int nchoutdev, int *choutdev, int rate) /* IOhannes */ {
+int mmio_open_audio(
+ int naudioindev, int *audioindev, int nchindev, int *chindev,
+ int naudiooutdev, int *audiooutdev, int nchoutdev, int *choutdev, int rate, int dummy) /* IOhannes */ {
int nbuf;
nt_realdacblksize = (sys_blocksize ? sys_blocksize : DEFREALDACBLKSIZE);
nbuf = sys_advance_samples/nt_realdacblksize;
@@ -518,6 +500,7 @@ int nchoutdev, int *choutdev, int rate) /* IOhannes */ {
nt_whichdac = (naudiooutdev < 1 ? (nt_nwaveout > 1 ? WAVE_MAPPER : -1) : audiooutdev[0]);
if (naudiooutdev > 1 || naudioindev > 1) post("separate audio device choice not supported; using sequential devices.");
mmio_do_open_audio();
+ return 0;
}
#if 0