1 |
/* |
/* -*- c-basic-offset: 8 -*- |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
Sound Channel Process Functions - Open Sound System |
Sound Channel Process Functions - Open Sound System |
4 |
Copyright (C) Matthew Chapman 2003 |
Copyright (C) Matthew Chapman 2003-2007 |
5 |
Copyright (C) GuoJunBo guojunbo@ict.ac.cn 2003 |
Copyright (C) GuoJunBo guojunbo@ict.ac.cn 2003 |
6 |
|
Copyright 2006-2007 Pierre Ossman <ossman@cendio.se> for Cendio AB |
7 |
|
|
8 |
This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
9 |
it under the terms of the GNU General Public License as published by |
it under the terms of the GNU General Public License as published by |
20 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 |
*/ |
*/ |
22 |
|
|
23 |
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/* |
24 |
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This is a workaround for Esound bug 312665. |
25 |
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FIXME: Remove this when Esound is fixed. |
26 |
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*/ |
27 |
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#ifdef _FILE_OFFSET_BITS |
28 |
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#undef _FILE_OFFSET_BITS |
29 |
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#endif |
30 |
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|
31 |
#include "rdesktop.h" |
#include "rdesktop.h" |
32 |
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#include "rdpsnd.h" |
33 |
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#include "rdpsnd_dsp.h" |
34 |
#include <unistd.h> |
#include <unistd.h> |
35 |
#include <fcntl.h> |
#include <fcntl.h> |
36 |
#include <errno.h> |
#include <errno.h> |
37 |
|
#include <unistd.h> |
38 |
#include <sys/time.h> |
#include <sys/time.h> |
39 |
#include <sys/ioctl.h> |
#include <sys/ioctl.h> |
40 |
#include <sys/soundcard.h> |
#include <sys/soundcard.h> |
41 |
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#include <sys/types.h> |
42 |
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#include <sys/stat.h> |
43 |
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|
44 |
#define MAX_QUEUE 10 |
#define DEFAULTDEVICE "/dev/dsp" |
45 |
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#define MAX_LEN 512 |
46 |
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|
47 |
int g_dsp_fd; |
static int dsp_fd = -1; |
48 |
BOOL g_dsp_busy = False; |
static int dsp_mode; |
49 |
static int g_snd_rate; |
static int dsp_refs; |
50 |
static short g_samplewidth; |
|
51 |
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static RD_BOOL dsp_configured; |
52 |
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static RD_BOOL dsp_broken; |
53 |
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54 |
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static RD_BOOL dsp_out; |
55 |
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static RD_BOOL dsp_in; |
56 |
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|
57 |
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static int stereo; |
58 |
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static int format; |
59 |
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static uint32 snd_rate; |
60 |
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static short samplewidth; |
61 |
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static char *dsp_dev; |
62 |
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static RD_BOOL in_esddsp; |
63 |
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|
64 |
static struct audio_packet |
/* This is a just a forward declaration */ |
65 |
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static struct audio_driver oss_driver; |
66 |
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|
67 |
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void oss_play(void); |
68 |
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void oss_record(void); |
69 |
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70 |
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void |
71 |
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oss_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv) |
72 |
{ |
{ |
73 |
struct stream s; |
if (dsp_fd == -1) |
74 |
uint16 tick; |
return; |
75 |
uint8 index; |
|
76 |
} packet_queue[MAX_QUEUE]; |
if (dsp_out && !rdpsnd_queue_empty()) |
77 |
static unsigned int queue_hi, queue_lo; |
FD_SET(dsp_fd, wfds); |
78 |
|
if (dsp_in) |
79 |
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FD_SET(dsp_fd, rfds); |
80 |
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if (dsp_fd > *n) |
81 |
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*n = dsp_fd; |
82 |
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} |
83 |
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|
84 |
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void |
85 |
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oss_check_fds(fd_set * rfds, fd_set * wfds) |
86 |
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{ |
87 |
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if (FD_ISSET(dsp_fd, wfds)) |
88 |
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oss_play(); |
89 |
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if (FD_ISSET(dsp_fd, rfds)) |
90 |
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oss_record(); |
91 |
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} |
92 |
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|
93 |
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static RD_BOOL |
94 |
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detect_esddsp(void) |
95 |
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{ |
96 |
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struct stat s; |
97 |
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char *preload; |
98 |
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|
99 |
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if (fstat(dsp_fd, &s) == -1) |
100 |
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return False; |
101 |
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|
102 |
BOOL |
if (S_ISCHR(s.st_mode) || S_ISBLK(s.st_mode)) |
103 |
wave_out_open(void) |
return False; |
104 |
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|
105 |
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preload = getenv("LD_PRELOAD"); |
106 |
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if (preload == NULL) |
107 |
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return False; |
108 |
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|
109 |
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if (strstr(preload, "esddsp") == NULL) |
110 |
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return False; |
111 |
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|
112 |
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return True; |
113 |
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} |
114 |
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|
115 |
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RD_BOOL |
116 |
|
oss_open(int fallback) |
117 |
{ |
{ |
118 |
char *dsp_dev = getenv("AUDIODEV"); |
int caps; |
119 |
|
|
120 |
if (dsp_dev == NULL) |
if (dsp_fd != -1) |
121 |
{ |
{ |
122 |
dsp_dev = "/dev/dsp"; |
dsp_refs++; |
123 |
|
|
124 |
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if (dsp_mode == O_RDWR) |
125 |
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return True; |
126 |
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|
127 |
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if (dsp_mode == fallback) |
128 |
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return True; |
129 |
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|
130 |
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dsp_refs--; |
131 |
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return False; |
132 |
} |
} |
133 |
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|
134 |
if ((g_dsp_fd = open(dsp_dev, O_WRONLY | O_NONBLOCK)) == -1) |
dsp_configured = False; |
135 |
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dsp_broken = False; |
136 |
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|
137 |
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dsp_mode = O_RDWR; |
138 |
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dsp_fd = open(dsp_dev, O_RDWR | O_NONBLOCK); |
139 |
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if (dsp_fd != -1) |
140 |
{ |
{ |
141 |
perror(dsp_dev); |
ioctl(dsp_fd, SNDCTL_DSP_SETDUPLEX, 0); |
142 |
return False; |
|
143 |
|
if ((ioctl(dsp_fd, SNDCTL_DSP_GETCAPS, &caps) < 0) || !(caps & DSP_CAP_DUPLEX)) |
144 |
|
{ |
145 |
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close(dsp_fd); |
146 |
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dsp_fd = -1; |
147 |
|
} |
148 |
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} |
149 |
|
|
150 |
|
if (dsp_fd == -1) |
151 |
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{ |
152 |
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dsp_mode = fallback; |
153 |
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|
154 |
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dsp_fd = open(dsp_dev, dsp_mode | O_NONBLOCK); |
155 |
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if (dsp_fd == -1) |
156 |
|
{ |
157 |
|
perror(dsp_dev); |
158 |
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return False; |
159 |
|
} |
160 |
} |
} |
161 |
|
|
162 |
/* Non-blocking so that user interface is responsive */ |
dsp_refs++; |
163 |
fcntl(g_dsp_fd, F_SETFL, fcntl(g_dsp_fd, F_GETFL) | O_NONBLOCK); |
|
164 |
|
in_esddsp = detect_esddsp(); |
165 |
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|
166 |
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return True; |
167 |
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} |
168 |
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|
169 |
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void |
170 |
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oss_close(void) |
171 |
|
{ |
172 |
|
dsp_refs--; |
173 |
|
|
174 |
|
if (dsp_refs != 0) |
175 |
|
return; |
176 |
|
|
177 |
|
close(dsp_fd); |
178 |
|
dsp_fd = -1; |
179 |
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} |
180 |
|
|
181 |
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RD_BOOL |
182 |
|
oss_open_out(void) |
183 |
|
{ |
184 |
|
if (!oss_open(O_WRONLY)) |
185 |
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return False; |
186 |
|
|
187 |
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dsp_out = True; |
188 |
|
|
189 |
return True; |
return True; |
190 |
} |
} |
191 |
|
|
192 |
void |
void |
193 |
wave_out_close(void) |
oss_close_out(void) |
194 |
{ |
{ |
195 |
close(g_dsp_fd); |
oss_close(); |
196 |
|
|
197 |
|
/* Ack all remaining packets */ |
198 |
|
while (!rdpsnd_queue_empty()) |
199 |
|
rdpsnd_queue_next(0); |
200 |
|
|
201 |
|
dsp_out = False; |
202 |
} |
} |
203 |
|
|
204 |
BOOL |
RD_BOOL |
205 |
wave_out_format_supported(WAVEFORMATEX * pwfx) |
oss_open_in(void) |
206 |
|
{ |
207 |
|
if (!oss_open(O_RDONLY)) |
208 |
|
return False; |
209 |
|
|
210 |
|
dsp_in = True; |
211 |
|
|
212 |
|
return True; |
213 |
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} |
214 |
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|
215 |
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void |
216 |
|
oss_close_in(void) |
217 |
|
{ |
218 |
|
oss_close(); |
219 |
|
|
220 |
|
dsp_in = False; |
221 |
|
} |
222 |
|
|
223 |
|
RD_BOOL |
224 |
|
oss_format_supported(RD_WAVEFORMATEX * pwfx) |
225 |
{ |
{ |
226 |
if (pwfx->wFormatTag != WAVE_FORMAT_PCM) |
if (pwfx->wFormatTag != WAVE_FORMAT_PCM) |
227 |
return False; |
return False; |
233 |
return True; |
return True; |
234 |
} |
} |
235 |
|
|
236 |
BOOL |
RD_BOOL |
237 |
wave_out_set_format(WAVEFORMATEX * pwfx) |
oss_set_format(RD_WAVEFORMATEX * pwfx) |
238 |
{ |
{ |
239 |
int channels, format; |
int fragments; |
240 |
|
static RD_BOOL driver_broken = False; |
241 |
|
|
242 |
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if (dsp_configured) |
243 |
|
{ |
244 |
|
if ((pwfx->wBitsPerSample == 8) && (format != AFMT_U8)) |
245 |
|
return False; |
246 |
|
if ((pwfx->wBitsPerSample == 16) && (format != AFMT_S16_LE)) |
247 |
|
return False; |
248 |
|
|
249 |
|
if ((pwfx->nChannels == 2) != !!stereo) |
250 |
|
return False; |
251 |
|
|
252 |
ioctl(g_dsp_fd, SNDCTL_DSP_RESET, NULL); |
if (pwfx->nSamplesPerSec != snd_rate) |
253 |
ioctl(g_dsp_fd, SNDCTL_DSP_SYNC, NULL); |
return False; |
254 |
|
|
255 |
|
return True; |
256 |
|
} |
257 |
|
|
258 |
|
ioctl(dsp_fd, SNDCTL_DSP_RESET, NULL); |
259 |
|
ioctl(dsp_fd, SNDCTL_DSP_SYNC, NULL); |
260 |
|
|
261 |
if (pwfx->wBitsPerSample == 8) |
if (pwfx->wBitsPerSample == 8) |
262 |
format = AFMT_U8; |
format = AFMT_U8; |
263 |
else if (pwfx->wBitsPerSample == 16) |
else if (pwfx->wBitsPerSample == 16) |
264 |
format = AFMT_S16_LE; |
format = AFMT_S16_LE; |
265 |
|
|
266 |
g_samplewidth = pwfx->wBitsPerSample / 8; |
samplewidth = pwfx->wBitsPerSample / 8; |
267 |
|
|
268 |
if (ioctl(g_dsp_fd, SNDCTL_DSP_SETFMT, &format) == -1) |
if (ioctl(dsp_fd, SNDCTL_DSP_SETFMT, &format) == -1) |
269 |
{ |
{ |
270 |
perror("SNDCTL_DSP_SETFMT"); |
perror("SNDCTL_DSP_SETFMT"); |
271 |
close(g_dsp_fd); |
oss_close(); |
272 |
return False; |
return False; |
273 |
} |
} |
274 |
|
|
275 |
channels = pwfx->nChannels; |
if (pwfx->nChannels == 2) |
276 |
if (ioctl(g_dsp_fd, SNDCTL_DSP_CHANNELS, &channels) == -1) |
{ |
277 |
|
stereo = 1; |
278 |
|
samplewidth *= 2; |
279 |
|
} |
280 |
|
else |
281 |
|
{ |
282 |
|
stereo = 0; |
283 |
|
} |
284 |
|
|
285 |
|
if (ioctl(dsp_fd, SNDCTL_DSP_STEREO, &stereo) == -1) |
286 |
{ |
{ |
287 |
perror("SNDCTL_DSP_CHANNELS"); |
perror("SNDCTL_DSP_CHANNELS"); |
288 |
close(g_dsp_fd); |
oss_close(); |
289 |
return False; |
return False; |
290 |
} |
} |
291 |
|
|
292 |
if (channels == 2) |
oss_driver.need_resampling = 0; |
293 |
|
snd_rate = pwfx->nSamplesPerSec; |
294 |
|
if (ioctl(dsp_fd, SNDCTL_DSP_SPEED, &snd_rate) == -1) |
295 |
{ |
{ |
296 |
g_samplewidth *= 2; |
uint32 rates[] = { 44100, 48000, 0 }; |
297 |
|
uint32 *prates = rates; |
298 |
|
|
299 |
|
while (*prates != 0) |
300 |
|
{ |
301 |
|
if ((pwfx->nSamplesPerSec != *prates) |
302 |
|
&& (ioctl(dsp_fd, SNDCTL_DSP_SPEED, prates) != -1)) |
303 |
|
{ |
304 |
|
oss_driver.need_resampling = 1; |
305 |
|
snd_rate = *prates; |
306 |
|
if (rdpsnd_dsp_resample_set |
307 |
|
(snd_rate, pwfx->wBitsPerSample, pwfx->nChannels) == False) |
308 |
|
{ |
309 |
|
error("rdpsnd_dsp_resample_set failed"); |
310 |
|
oss_close(); |
311 |
|
return False; |
312 |
|
} |
313 |
|
|
314 |
|
break; |
315 |
|
} |
316 |
|
prates++; |
317 |
|
} |
318 |
|
|
319 |
|
if (*prates == 0) |
320 |
|
{ |
321 |
|
perror("SNDCTL_DSP_SPEED"); |
322 |
|
oss_close(); |
323 |
|
return False; |
324 |
|
} |
325 |
} |
} |
326 |
|
|
327 |
g_snd_rate = pwfx->nSamplesPerSec; |
/* try to get 12 fragments of 2^12 bytes size */ |
328 |
if (ioctl(g_dsp_fd, SNDCTL_DSP_SPEED, &g_snd_rate) == -1) |
fragments = (12 << 16) + 12; |
329 |
|
ioctl(dsp_fd, SNDCTL_DSP_SETFRAGMENT, &fragments); |
330 |
|
|
331 |
|
if (!driver_broken) |
332 |
{ |
{ |
333 |
perror("SNDCTL_DSP_SPEED"); |
audio_buf_info info; |
334 |
close(g_dsp_fd); |
|
335 |
return False; |
memset(&info, 0, sizeof(info)); |
336 |
|
if (ioctl(dsp_fd, SNDCTL_DSP_GETOSPACE, &info) == -1) |
337 |
|
{ |
338 |
|
perror("SNDCTL_DSP_GETOSPACE"); |
339 |
|
oss_close(); |
340 |
|
return False; |
341 |
|
} |
342 |
|
|
343 |
|
if (info.fragments == 0 || info.fragstotal == 0 || info.fragsize == 0) |
344 |
|
{ |
345 |
|
fprintf(stderr, |
346 |
|
"Broken OSS-driver detected: fragments: %d, fragstotal: %d, fragsize: %d\n", |
347 |
|
info.fragments, info.fragstotal, info.fragsize); |
348 |
|
driver_broken = True; |
349 |
|
} |
350 |
} |
} |
351 |
|
|
352 |
|
dsp_configured = True; |
353 |
|
|
354 |
return True; |
return True; |
355 |
} |
} |
356 |
|
|
357 |
void |
void |
358 |
wave_out_volume(uint16 left, uint16 right) |
oss_volume(uint16 left, uint16 right) |
359 |
{ |
{ |
|
static BOOL use_dev_mixer = False; |
|
360 |
uint32 volume; |
uint32 volume; |
|
int fd_mix = -1; |
|
361 |
|
|
362 |
volume = left / (65536 / 100); |
volume = left / (65536 / 100); |
363 |
volume |= right / (65536 / 100) << 8; |
volume |= right / (65536 / 100) << 8; |
364 |
|
|
365 |
if (use_dev_mixer) |
if (ioctl(dsp_fd, MIXER_WRITE(SOUND_MIXER_PCM), &volume) == -1) |
366 |
{ |
{ |
367 |
if ((fd_mix = open("/dev/mixer", O_RDWR | O_NONBLOCK)) == -1) |
warning("hardware volume control unavailable, falling back to software volume control!\n"); |
368 |
{ |
oss_driver.wave_out_volume = rdpsnd_dsp_softvol_set; |
369 |
perror("open /dev/mixer"); |
rdpsnd_dsp_softvol_set(left, right); |
|
return; |
|
|
} |
|
|
|
|
|
if (ioctl(fd_mix, MIXER_WRITE(SOUND_MIXER_PCM), &volume) == -1) |
|
|
{ |
|
|
perror("MIXER_WRITE(SOUND_MIXER_PCM)"); |
|
|
return; |
|
|
} |
|
|
|
|
|
close(fd_mix); |
|
|
} |
|
|
|
|
|
if (ioctl(g_dsp_fd, MIXER_WRITE(SOUND_MIXER_PCM), &volume) == -1) |
|
|
{ |
|
|
perror("MIXER_WRITE(SOUND_MIXER_PCM)"); |
|
|
use_dev_mixer = True; |
|
370 |
return; |
return; |
371 |
} |
} |
372 |
} |
} |
373 |
|
|
374 |
void |
void |
375 |
wave_out_write(STREAM s, uint16 tick, uint8 index) |
oss_play(void) |
376 |
{ |
{ |
377 |
struct audio_packet *packet = &packet_queue[queue_hi]; |
struct audio_packet *packet; |
378 |
unsigned int next_hi = (queue_hi + 1) % MAX_QUEUE; |
ssize_t len; |
379 |
|
STREAM out; |
380 |
|
|
381 |
if (next_hi == queue_lo) |
/* We shouldn't be called if the queue is empty, but still */ |
382 |
|
if (rdpsnd_queue_empty()) |
383 |
|
return; |
384 |
|
|
385 |
|
packet = rdpsnd_queue_current_packet(); |
386 |
|
out = &packet->s; |
387 |
|
|
388 |
|
len = out->end - out->p; |
389 |
|
|
390 |
|
len = write(dsp_fd, out->p, (len > MAX_LEN) ? MAX_LEN : len); |
391 |
|
if (len == -1) |
392 |
{ |
{ |
393 |
error("No space to queue audio packet\n"); |
if (errno != EWOULDBLOCK) |
394 |
|
{ |
395 |
|
if (!dsp_broken) |
396 |
|
perror("RDPSND: write()"); |
397 |
|
dsp_broken = True; |
398 |
|
rdpsnd_queue_next(0); |
399 |
|
} |
400 |
return; |
return; |
401 |
} |
} |
402 |
|
|
403 |
queue_hi = next_hi; |
dsp_broken = False; |
404 |
|
|
405 |
packet->s = *s; |
out->p += len; |
|
packet->tick = tick; |
|
|
packet->index = index; |
|
|
packet->s.p += 4; |
|
406 |
|
|
407 |
/* we steal the data buffer from s, give it a new one */ |
if (out->p == out->end) |
408 |
s->data = malloc(s->size); |
{ |
409 |
|
int delay_bytes; |
410 |
|
unsigned long delay_us; |
411 |
|
audio_buf_info info; |
412 |
|
|
413 |
if (!g_dsp_busy) |
if (in_esddsp) |
414 |
wave_out_play(); |
{ |
415 |
|
/* EsounD has no way of querying buffer status, so we have to |
416 |
|
* go with a fixed size. */ |
417 |
|
delay_bytes = out->size; |
418 |
|
} |
419 |
|
else |
420 |
|
{ |
421 |
|
#ifdef SNDCTL_DSP_GETODELAY |
422 |
|
delay_bytes = 0; |
423 |
|
if (ioctl(dsp_fd, SNDCTL_DSP_GETODELAY, &delay_bytes) == -1) |
424 |
|
delay_bytes = -1; |
425 |
|
#else |
426 |
|
delay_bytes = -1; |
427 |
|
#endif |
428 |
|
|
429 |
|
if (delay_bytes == -1) |
430 |
|
{ |
431 |
|
if (ioctl(dsp_fd, SNDCTL_DSP_GETOSPACE, &info) != -1) |
432 |
|
delay_bytes = info.fragstotal * info.fragsize - info.bytes; |
433 |
|
else |
434 |
|
delay_bytes = out->size; |
435 |
|
} |
436 |
|
} |
437 |
|
|
438 |
|
delay_us = delay_bytes * (1000000 / (samplewidth * snd_rate)); |
439 |
|
rdpsnd_queue_next(delay_us); |
440 |
|
} |
441 |
} |
} |
442 |
|
|
443 |
void |
void |
444 |
wave_out_play(void) |
oss_record(void) |
445 |
{ |
{ |
446 |
struct audio_packet *packet; |
char buffer[32768]; |
447 |
ssize_t len; |
int len; |
|
STREAM out; |
|
|
static long startedat_us; |
|
|
static long startedat_s; |
|
|
static BOOL started = False; |
|
|
struct timeval tv; |
|
448 |
|
|
449 |
while (1) |
len = read(dsp_fd, buffer, sizeof(buffer)); |
450 |
|
if (len == -1) |
451 |
{ |
{ |
452 |
if (queue_lo == queue_hi) |
if (errno != EWOULDBLOCK) |
453 |
{ |
{ |
454 |
g_dsp_busy = 0; |
if (!dsp_broken) |
455 |
return; |
perror("RDPSND: read()"); |
456 |
|
dsp_broken = True; |
457 |
|
rdpsnd_queue_next(0); |
458 |
} |
} |
459 |
|
return; |
460 |
|
} |
461 |
|
|
462 |
packet = &packet_queue[queue_lo]; |
dsp_broken = False; |
|
out = &packet->s; |
|
463 |
|
|
464 |
if (!started) |
rdpsnd_record(buffer, len); |
465 |
{ |
} |
|
gettimeofday(&tv, NULL); |
|
|
startedat_us = tv.tv_usec; |
|
|
startedat_s = tv.tv_sec; |
|
|
started = True; |
|
|
} |
|
466 |
|
|
467 |
len = write(g_dsp_fd, out->p, out->end - out->p); |
struct audio_driver * |
468 |
if (len == -1) |
oss_register(char *options) |
469 |
{ |
{ |
470 |
if (errno != EWOULDBLOCK) |
memset(&oss_driver, 0, sizeof(oss_driver)); |
|
perror("write audio"); |
|
|
g_dsp_busy = 1; |
|
|
return; |
|
|
} |
|
471 |
|
|
472 |
out->p += len; |
oss_driver.name = "oss"; |
473 |
if (out->p == out->end) |
oss_driver.description = |
474 |
{ |
"OSS output driver, default device: " DEFAULTDEVICE " or $AUDIODEV"; |
475 |
long long duration; |
|
476 |
long elapsed; |
oss_driver.add_fds = oss_add_fds; |
477 |
|
oss_driver.check_fds = oss_check_fds; |
478 |
|
|
479 |
|
oss_driver.wave_out_open = oss_open_out; |
480 |
|
oss_driver.wave_out_close = oss_close_out; |
481 |
|
oss_driver.wave_out_format_supported = oss_format_supported; |
482 |
|
oss_driver.wave_out_set_format = oss_set_format; |
483 |
|
oss_driver.wave_out_volume = oss_volume; |
484 |
|
|
485 |
|
oss_driver.wave_in_open = oss_open_in; |
486 |
|
oss_driver.wave_in_close = oss_close_in; |
487 |
|
oss_driver.wave_in_format_supported = oss_format_supported; |
488 |
|
oss_driver.wave_in_set_format = oss_set_format; |
489 |
|
oss_driver.wave_in_volume = NULL; /* FIXME */ |
490 |
|
|
491 |
gettimeofday(&tv, NULL); |
oss_driver.need_byteswap_on_be = 0; |
492 |
duration = (out->size * (1000000 / (g_samplewidth * g_snd_rate))); |
oss_driver.need_resampling = 0; |
|
elapsed = (tv.tv_sec - startedat_s) * 1000000 + (tv.tv_usec - startedat_us); |
|
493 |
|
|
494 |
if (elapsed >= (duration * 85) / 100) |
if (options) |
495 |
{ |
{ |
496 |
rdpsnd_send_completion(packet->tick, packet->index); |
dsp_dev = xstrdup(options); |
497 |
free(out->data); |
} |
498 |
queue_lo = (queue_lo + 1) % MAX_QUEUE; |
else |
499 |
started = False; |
{ |
500 |
} |
dsp_dev = getenv("AUDIODEV"); |
501 |
else |
|
502 |
{ |
if (dsp_dev == NULL) |
503 |
g_dsp_busy = 1; |
{ |
504 |
return; |
dsp_dev = DEFAULTDEVICE; |
|
} |
|
505 |
} |
} |
506 |
} |
} |
507 |
|
|
508 |
|
return &oss_driver; |
509 |
} |
} |