summaryrefslogtreecommitdiff
path: root/plugins/dfsound/oss.c
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/dfsound/oss.c')
-rw-r--r--plugins/dfsound/oss.c319
1 files changed, 159 insertions, 160 deletions
diff --git a/plugins/dfsound/oss.c b/plugins/dfsound/oss.c
index d39412d9..26cca761 100644
--- a/plugins/dfsound/oss.c
+++ b/plugins/dfsound/oss.c
@@ -1,160 +1,159 @@
-/***************************************************************************
- oss.c - description
- -------------------
- begin : Wed May 15 2002
- copyright : (C) 2002 by Pete Bernert
- email : BlackDove@addcom.de
- ***************************************************************************/
-/***************************************************************************
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. See also the license.txt file for *
- * additional informations. *
- * *
- ***************************************************************************/
-
-#include "stdafx.h"
-
-#define _IN_OSS
-
-#include "externals.h"
-
-#include <errno.h>
-
-////////////////////////////////////////////////////////////////////////
-// oss globals
-////////////////////////////////////////////////////////////////////////
-
-#define OSS_MODE_STEREO 1
-#define OSS_MODE_MONO 0
-
-#define OSS_SPEED_44100 44100
-
-static int oss_audio_fd = -1;
-
-////////////////////////////////////////////////////////////////////////
-// SETUP SOUND
-////////////////////////////////////////////////////////////////////////
-
-void SetupSound(void)
-{
- int pspeed=44100;
- int pstereo;
- int format;
- int fragsize = 0;
- int myfrag;
- int oss_speed, oss_stereo;
-
- if(iDisStereo) pstereo=OSS_MODE_MONO;
- else pstereo=OSS_MODE_STEREO;
-
- oss_speed = pspeed;
- oss_stereo = pstereo;
-
- if((oss_audio_fd=open("/dev/dsp",O_WRONLY,0))==-1)
- {
- printf("Sound device not available!\n");
- return;
- }
-
- if(ioctl(oss_audio_fd,SNDCTL_DSP_RESET,0)==-1)
- {
- printf("Sound reset failed\n");
- return;
- }
-
- // we use 64 fragments with 1024 bytes each
-
- fragsize=10;
- myfrag=(63<<16)|fragsize;
-
- if(ioctl(oss_audio_fd,SNDCTL_DSP_SETFRAGMENT,&myfrag)==-1)
- {
- printf("Sound set fragment failed!\n");
- return;
- }
-
- format = AFMT_S16_NE;
-
- if(ioctl(oss_audio_fd,SNDCTL_DSP_SETFMT,&format) == -1)
- {
- printf("Sound format not supported!\n");
- return;
- }
-
- if(format!=AFMT_S16_NE)
- {
- printf("Sound format not supported!\n");
- return;
- }
-
- if(ioctl(oss_audio_fd,SNDCTL_DSP_STEREO,&oss_stereo)==-1)
- {
- printf("Stereo mode not supported!\n");
- return;
- }
-
- if(oss_stereo!=1)
- {
- iDisStereo=1;
- }
-
- if(ioctl(oss_audio_fd,SNDCTL_DSP_SPEED,&oss_speed)==-1)
- {
- printf("Sound frequency not supported\n");
- return;
- }
-
- if(oss_speed!=pspeed)
- {
- printf("Sound frequency not supported\n");
- return;
- }
-}
-
-////////////////////////////////////////////////////////////////////////
-// REMOVE SOUND
-////////////////////////////////////////////////////////////////////////
-
-void RemoveSound(void)
-{
- if(oss_audio_fd != -1 )
- {
- close(oss_audio_fd);
- oss_audio_fd = -1;
- }
-}
-
-////////////////////////////////////////////////////////////////////////
-// GET BYTES BUFFERED
-////////////////////////////////////////////////////////////////////////
-
-unsigned long SoundGetBytesBuffered(void)
-{
- audio_buf_info info;
- unsigned long l;
-
- if(oss_audio_fd == -1) return SOUNDSIZE;
- if(ioctl(oss_audio_fd,SNDCTL_DSP_GETOSPACE,&info)==-1)
- l=0;
- else
- {
- if(info.fragments<(info.fragstotal>>1)) // can we write in at least the half of fragments?
- l=SOUNDSIZE; // -> no? wait
- else l=0; // -> else go on
- }
-
- return l;
-}
-
-////////////////////////////////////////////////////////////////////////
-// FEED SOUND DATA
-////////////////////////////////////////////////////////////////////////
-
-void SoundFeedStreamData(unsigned char* pSound,long lBytes)
-{
- if(oss_audio_fd == -1) return;
- write(oss_audio_fd,pSound,lBytes);
-}
+/***************************************************************************
+ oss.c - description
+ -------------------
+ begin : Wed May 15 2002
+ copyright : (C) 2002 by Pete Bernert
+ email : BlackDove@addcom.de
+ ***************************************************************************/
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. See also the license.txt file for *
+ * additional informations. *
+ * *
+ ***************************************************************************/
+
+#include "stdafx.h"
+
+#define _IN_OSS
+
+#include "externals.h"
+
+////////////////////////////////////////////////////////////////////////
+// oss globals
+////////////////////////////////////////////////////////////////////////
+
+#define OSS_MODE_STEREO 1
+#define OSS_MODE_MONO 0
+
+#define OSS_SPEED_44100 44100
+
+static int oss_audio_fd = -1;
+extern int errno;
+
+////////////////////////////////////////////////////////////////////////
+// SETUP SOUND
+////////////////////////////////////////////////////////////////////////
+
+void SetupSound(void)
+{
+ int pspeed=44100;
+ int pstereo;
+ int format;
+ int fragsize = 0;
+ int myfrag;
+ int oss_speed, oss_stereo;
+
+ if(iDisStereo) pstereo=OSS_MODE_MONO;
+ else pstereo=OSS_MODE_STEREO;
+
+ oss_speed = pspeed;
+ oss_stereo = pstereo;
+
+ if((oss_audio_fd=open("/dev/dsp",O_WRONLY,0))==-1)
+ {
+ printf("Sound device not available!\n");
+ return;
+ }
+
+ if(ioctl(oss_audio_fd,SNDCTL_DSP_RESET,0)==-1)
+ {
+ printf("Sound reset failed\n");
+ return;
+ }
+
+ // we use 64 fragments with 1024 bytes each
+
+ fragsize=10;
+ myfrag=(63<<16)|fragsize;
+
+ if(ioctl(oss_audio_fd,SNDCTL_DSP_SETFRAGMENT,&myfrag)==-1)
+ {
+ printf("Sound set fragment failed!\n");
+ return;
+ }
+
+ format = AFMT_S16_NE;
+
+ if(ioctl(oss_audio_fd,SNDCTL_DSP_SETFMT,&format) == -1)
+ {
+ printf("Sound format not supported!\n");
+ return;
+ }
+
+ if(format!=AFMT_S16_NE)
+ {
+ printf("Sound format not supported!\n");
+ return;
+ }
+
+ if(ioctl(oss_audio_fd,SNDCTL_DSP_STEREO,&oss_stereo)==-1)
+ {
+ printf("Stereo mode not supported!\n");
+ return;
+ }
+
+ if(oss_stereo!=1)
+ {
+ iDisStereo=1;
+ }
+
+ if(ioctl(oss_audio_fd,SNDCTL_DSP_SPEED,&oss_speed)==-1)
+ {
+ printf("Sound frequency not supported\n");
+ return;
+ }
+
+ if(oss_speed!=pspeed)
+ {
+ printf("Sound frequency not supported\n");
+ return;
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// REMOVE SOUND
+////////////////////////////////////////////////////////////////////////
+
+void RemoveSound(void)
+{
+ if(oss_audio_fd != -1 )
+ {
+ close(oss_audio_fd);
+ oss_audio_fd = -1;
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// GET BYTES BUFFERED
+////////////////////////////////////////////////////////////////////////
+
+unsigned long SoundGetBytesBuffered(void)
+{
+ audio_buf_info info;
+ unsigned long l;
+
+ if(oss_audio_fd == -1) return SOUNDSIZE;
+ if(ioctl(oss_audio_fd,SNDCTL_DSP_GETOSPACE,&info)==-1)
+ l=0;
+ else
+ {
+ if(info.fragments<(info.fragstotal>>1)) // can we write in at least the half of fragments?
+ l=SOUNDSIZE; // -> no? wait
+ else l=0; // -> else go on
+ }
+
+ return l;
+}
+
+////////////////////////////////////////////////////////////////////////
+// FEED SOUND DATA
+////////////////////////////////////////////////////////////////////////
+
+void SoundFeedStreamData(unsigned char* pSound,long lBytes)
+{
+ if(oss_audio_fd == -1) return;
+ write(oss_audio_fd,pSound,lBytes);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-08-19 21:03:10 +0000