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--- ./snd_linux.c.orig Sun Jan 8 19:20:26 2006
+++ ./snd_linux.c Sat May 20 10:00:24 2006
@@ -25,7 +25,11 @@
#include <sys/mman.h>
#include <sys/shm.h>
#include <sys/wait.h>
+#ifdef __FreeBSD__
+#include <sys/soundcard.h>
+#else
#include <linux/soundcard.h>
+#endif
#include <stdio.h>
#include "quakedef.h"
@@ -74,7 +78,8 @@
close (audio_fd);
return 0;
}
-
+//QuDos-
+/* //Moved later thx Quake3
if (ioctl(audio_fd, SNDCTL_DSP_GETOSPACE, &info) == -1)
{
perror ("GETOSPACE");
@@ -82,7 +87,8 @@
close (audio_fd);
return 0;
}
-
+*/
+//-QuDos
shm = &sn;
shm->splitbuffer = 0;
@@ -125,7 +131,8 @@
shm->channels = 2;
else
shm->channels = 2;
-
+//QuDos-
+/* //Call mmap later thx Quake3
shm->samples = info.fragstotal * info.fragsize / (shm->samplebits / 8);
shm->submission_chunk = 1;
@@ -138,6 +145,8 @@
close (audio_fd);
return 0;
}
+*/
+//-QuDos
tmp = 0;
if (shm->channels == 2)
@@ -196,6 +205,30 @@
close (audio_fd);
return 0;
}
+
+//QuDos-
+//Moved from above thx Quake3
+ if (ioctl(audio_fd, SNDCTL_DSP_GETOSPACE, &info) == -1)
+ {
+ perror ("GETOSPACE");
+ Con_Printf ("Um, can't do GETOSPACE?\n");
+ close (audio_fd);
+ return 0;
+ }
+ shm->samples = info.fragstotal * info.fragsize / (shm->samplebits / 8);
+ shm->submission_chunk = 1;
+
+// memory map the dma buffer
+ shm->buffer = (unsigned char *)mmap (NULL, info.fragstotal * info.fragsize, PROT_WRITE, MAP_FILE|MAP_SHARED, audio_fd, 0);
+ if (!shm->buffer || shm->buffer == (unsigned char *)-1)
+ {
+ perror ("/dev/dsp");
+ Con_Printf ("Could not mmap /dev/dsp\n");
+ close (audio_fd);
+ return 0;
+ }
+//end Quake3 sound fix by calling mmap later
+//-QuDos
// toggle the trigger & start her up
tmp = 0;
|
