$OpenBSD: patch-app_audio_c,v 1.2 2010/04/08 08:47:09 jasper Exp $
--- app/audio.c.orig	Thu Mar 25 10:48:05 2010
+++ app/audio.c	Thu Mar 25 10:50:18 2010
@@ -52,6 +52,11 @@
 #include "gui-settings.h"
 #include "tracer.h"
 
+#ifdef DRIVER_SNDIO
+#include <sndio.h>
+void * sndio_driver_get_hdl(void *);
+#endif
+
 st_mixer *mixer = NULL;
 st_io_driver *playback_driver = NULL;
 st_io_driver *editing_driver = NULL;
@@ -391,16 +396,37 @@ static void audio_thread (void){
 	static gchar *msgbuf = NULL;
 	static gint msgbuflen = 0;
 
+#ifdef DRIVER_SNDIO
+    struct sio_hdl *hdl;
+#endif
+
 	audio_raise_priority();
 
 	loop: pfd[0].revents = 0;
 
 	for(pl = inputs, npl = 1; pl; pl = pl->next, npl++) {
 		pi = pl->data;
+
+#ifdef DRIVER_SNDIO
+	if (pi->fd == -1) {
+	    hdl = sndio_driver_get_hdl(pi->data);
+	    if (!hdl || !(pi->condition & GDK_INPUT_WRITE)) {
+	        inputs = g_list_remove(inputs, pi);
+	        goto loop;
+	    }
+	    if (sio_nfds(hdl) != 1) {
+		printf("too many sndio file handles\n");
+	    } else {
+		sio_pollfd(hdl, &pfd[npl], POLLOUT);
+	    }
+	    continue;
+	}
+#else
 		if(pi->fd == -1) {
 			inputs = g_list_remove(inputs, pi);
 			goto loop;
 		}
+#endif
 		pfd[npl].events = pfd[npl].revents = 0;
 		pfd[npl].fd = pi->fd;
 		if(pi->condition & GDK_INPUT_READ) pfd[npl].events |= POLLIN;
@@ -495,7 +521,19 @@ static void audio_thread (void){
 	}
 	for(pl = inputs, i = 1; i < npl; pl = pl->next, i++) {
 		pi = pl->data;
+#ifdef DRIVER_SNDIO
+		if(pi->fd == -1) {
+		    hdl = sndio_driver_get_hdl(pi->data);
+		    if (hdl && (pi->condition & GDK_INPUT_WRITE)) {
+			pfd[i].revents = sio_revents(hdl, &pfd[i]);
+		    } else {
+			continue;
+		    }
+		    pfd[i].events = POLLOUT;
+		}
+#else
 		if(pi->fd == -1) continue;
+#endif
 		if(pfd[i].revents & pfd[i].events) {
 			int x = 0;
 			if(pfd[i].revents & POLLIN) x |= GDK_INPUT_READ;