35 |
#define DEFAULTDEVICE "/dev/audio" |
#define DEFAULTDEVICE "/dev/audio" |
36 |
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37 |
static BOOL g_reopened; |
static BOOL g_reopened; |
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static BOOL g_swapaudio; |
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38 |
static short g_samplewidth; |
static short g_samplewidth; |
39 |
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static char *dsp_dev; |
40 |
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41 |
BOOL |
BOOL |
42 |
wave_out_open(void) |
sun_open(void) |
43 |
{ |
{ |
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char *dsp_dev = getenv("AUDIODEV"); |
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if (dsp_dev == NULL) |
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{ |
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dsp_dev = xstrdup(DEFAULTDEVICE); |
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} |
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|
44 |
if ((g_dsp_fd = open(dsp_dev, O_WRONLY | O_NONBLOCK)) == -1) |
if ((g_dsp_fd = open(dsp_dev, O_WRONLY | O_NONBLOCK)) == -1) |
45 |
{ |
{ |
46 |
perror(dsp_dev); |
perror(dsp_dev); |
57 |
} |
} |
58 |
|
|
59 |
void |
void |
60 |
wave_out_close(void) |
sun_close(void) |
61 |
{ |
{ |
62 |
/* Ack all remaining packets */ |
/* Ack all remaining packets */ |
63 |
while (!rdpsnd_queue_empty()) |
while (!rdpsnd_queue_empty()) |
78 |
} |
} |
79 |
|
|
80 |
BOOL |
BOOL |
81 |
wave_out_format_supported(WAVEFORMATEX * pwfx) |
sun_format_supported(WAVEFORMATEX * pwfx) |
82 |
{ |
{ |
83 |
if (pwfx->wFormatTag != WAVE_FORMAT_PCM) |
if (pwfx->wFormatTag != WAVE_FORMAT_PCM) |
84 |
return False; |
return False; |
91 |
} |
} |
92 |
|
|
93 |
BOOL |
BOOL |
94 |
wave_out_set_format(WAVEFORMATEX * pwfx) |
sun_set_format(WAVEFORMATEX * pwfx) |
95 |
{ |
{ |
96 |
audio_info_t info; |
audio_info_t info; |
97 |
|
|
98 |
ioctl(g_dsp_fd, AUDIO_DRAIN, 0); |
ioctl(g_dsp_fd, AUDIO_DRAIN, 0); |
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g_swapaudio = False; |
|
99 |
AUDIO_INITINFO(&info); |
AUDIO_INITINFO(&info); |
100 |
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|
101 |
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|
106 |
else if (pwfx->wBitsPerSample == 16) |
else if (pwfx->wBitsPerSample == 16) |
107 |
{ |
{ |
108 |
info.play.encoding = AUDIO_ENCODING_LINEAR; |
info.play.encoding = AUDIO_ENCODING_LINEAR; |
|
/* Do we need to swap the 16bit values? (Are we BigEndian) */ |
|
|
#ifdef B_ENDIAN |
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g_swapaudio = 1; |
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#else |
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g_swapaudio = 0; |
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#endif |
|
109 |
} |
} |
110 |
|
|
111 |
g_samplewidth = pwfx->wBitsPerSample / 8; |
g_samplewidth = pwfx->wBitsPerSample / 8; |
138 |
} |
} |
139 |
|
|
140 |
void |
void |
141 |
wave_out_volume(uint16 left, uint16 right) |
sun_volume(uint16 left, uint16 right) |
142 |
{ |
{ |
143 |
audio_info_t info; |
audio_info_t info; |
144 |
uint balance; |
uint balance; |
170 |
} |
} |
171 |
|
|
172 |
void |
void |
173 |
wave_out_play(void) |
sun_play(void) |
174 |
{ |
{ |
175 |
struct audio_packet *packet; |
struct audio_packet *packet; |
176 |
audio_info_t info; |
audio_info_t info; |
177 |
ssize_t len; |
ssize_t len; |
178 |
unsigned int i; |
unsigned int i; |
|
uint8 swap; |
|
179 |
STREAM out; |
STREAM out; |
|
static BOOL swapped = False; |
|
180 |
static BOOL sentcompletion = True; |
static BOOL sentcompletion = True; |
181 |
static uint32 samplecnt = 0; |
static uint32 samplecnt = 0; |
182 |
static uint32 numsamples; |
static uint32 numsamples; |
187 |
{ |
{ |
188 |
/* Device was just (re)openend */ |
/* Device was just (re)openend */ |
189 |
samplecnt = 0; |
samplecnt = 0; |
|
swapped = False; |
|
190 |
sentcompletion = True; |
sentcompletion = True; |
191 |
g_reopened = False; |
g_reopened = False; |
192 |
} |
} |
200 |
packet = rdpsnd_queue_current_packet(); |
packet = rdpsnd_queue_current_packet(); |
201 |
out = &packet->s; |
out = &packet->s; |
202 |
|
|
|
/* Swap the current packet, but only once */ |
|
|
if (g_swapaudio && !swapped) |
|
|
{ |
|
|
for (i = 0; i < out->end - out->p; i += 2) |
|
|
{ |
|
|
swap = *(out->p + i); |
|
|
*(out->p + i) = *(out->p + i + 1); |
|
|
*(out->p + i + 1) = swap; |
|
|
} |
|
|
swapped = True; |
|
|
} |
|
|
|
|
203 |
if (sentcompletion) |
if (sentcompletion) |
204 |
{ |
{ |
205 |
sentcompletion = False; |
sentcompletion = False; |
237 |
* playing this packet */ |
* playing this packet */ |
238 |
rdpsnd_send_completion(packet->tick + 50, packet->index); |
rdpsnd_send_completion(packet->tick + 50, packet->index); |
239 |
rdpsnd_queue_next(); |
rdpsnd_queue_next(); |
|
swapped = False; |
|
240 |
sentcompletion = True; |
sentcompletion = True; |
241 |
} |
} |
242 |
else |
else |
247 |
} |
} |
248 |
} |
} |
249 |
} |
} |
250 |
|
|
251 |
|
struct audio_driver * |
252 |
|
sun_register(char *options) |
253 |
|
{ |
254 |
|
static struct audio_driver sun_driver; |
255 |
|
|
256 |
|
sun_driver.wave_out_write = rdpsnd_queue_write; |
257 |
|
sun_driver.wave_out_open = sun_open; |
258 |
|
sun_driver.wave_out_close = sun_close; |
259 |
|
sun_driver.wave_out_format_supported = sun_format_supported; |
260 |
|
sun_driver.wave_out_set_format = sun_set_format; |
261 |
|
sun_driver.wave_out_volume = sun_volume; |
262 |
|
sun_driver.wave_out_play = sun_play; |
263 |
|
sun_driver.name = xstrdup("sun"); |
264 |
|
sun_driver.description = |
265 |
|
xstrdup("SUN/BSD output driver, default device: " DEFAULTDEVICE " or $AUDIODEV"); |
266 |
|
sun_driver.need_byteswap_on_be = 1; |
267 |
|
sun_driver.need_resampling = 0; |
268 |
|
sun_driver.next = NULL; |
269 |
|
|
270 |
|
if (options) |
271 |
|
{ |
272 |
|
dsp_dev = xstrdup(options); |
273 |
|
} |
274 |
|
else |
275 |
|
{ |
276 |
|
dsp_dev = getenv("AUDIODEV"); |
277 |
|
|
278 |
|
if (dsp_dev == NULL) |
279 |
|
{ |
280 |
|
dsp_dev = xstrdup(DEFAULTDEVICE); |
281 |
|
} |
282 |
|
} |
283 |
|
|
284 |
|
return &sun_driver; |
285 |
|
} |