ReactOS 0.4.15-dev-8116-gf69e256
rdpsnd_sgi.c
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1/* -*- c-basic-offset: 8 -*-
2 rdesktop: A Remote Desktop Protocol client.
3 Sound Channel Process Functions - SGI/IRIX
4 Copyright (C) Matthew Chapman 2003
5 Copyright (C) GuoJunBo guojunbo@ict.ac.cn 2003
6 Copyright (C) Jeremy Meng void.foo@gmail.com 2004, 2005
7
8 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
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21*/
22
23#include "rdesktop.h"
24#include <errno.h>
25#include <dmedia/audio.h>
26
27/* #define IRIX_DEBUG 1 */
28
29#define IRIX_MAX_VOL 65535
30
31#define MAX_QUEUE 10
32
33int This->dsp_;
34ALconfig audioconfig;
36
37BOOL This->dsp_bu = False;
39static int g_snd_rate;
40static BOOL g_swapaudio;
41static int width = AL_SAMPLE_16;
42
46
47static struct audio_packet
48{
49 struct stream s;
53static unsigned int queue_hi, queue_lo;
54
55BOOL
57{
58 ALparamInfo pinfo;
59
60#if (defined(IRIX_DEBUG))
61 fprintf(stderr, "wave_out_open: begin\n");
62#endif
63
64 if (alGetParamInfo(AL_DEFAULT_OUTPUT, AL_GAIN, &pinfo) < 0)
65 {
66 fprintf(stderr, "wave_out_open: alGetParamInfo failed: %s\n",
67 alGetErrorString(oserror()));
68 }
69 min_volume = alFixedToDouble(pinfo.min.ll);
70 max_volume = alFixedToDouble(pinfo.max.ll);
72#if (defined(IRIX_DEBUG))
73 fprintf(stderr, "wave_out_open: minvol = %lf, maxvol= %lf, range = %lf.\n",
75#endif
76
77 queue_lo = queue_hi = 0;
78
79 audioconfig = alNewConfig();
80 if (audioconfig == (ALconfig) 0)
81 {
82 fprintf(stderr, "wave_out_open: alNewConfig failed: %s\n",
83 alGetErrorString(oserror()));
84 return False;
85 }
86
87 output_port = alOpenPort("rdpsnd", "w", 0);
88 if (output_port == (ALport) 0)
89 {
90 fprintf(stderr, "wave_out_open: alOpenPort failed: %s\n",
91 alGetErrorString(oserror()));
92 return False;
93 }
94
95#if (defined(IRIX_DEBUG))
96 fprintf(stderr, "wave_out_open: returning\n");
97#endif
98 return True;
99}
100
101void
103{
104 /* Ack all remaining packets */
105#if (defined(IRIX_DEBUG))
106 fprintf(stderr, "wave_out_close: begin\n");
107#endif
108
109 while (queue_lo != queue_hi)
110 {
113 queue_lo = (queue_lo + 1) % MAX_QUEUE;
114 }
115 alDiscardFrames(output_port, 0);
116
117 alClosePort(output_port);
118 alFreeConfig(audioconfig);
119#if (defined(IRIX_DEBUG))
120 fprintf(stderr, "wave_out_close: returning\n");
121#endif
122}
123
124BOOL
126{
127 if (pwfx->wFormatTag != WAVE_FORMAT_PCM)
128 return False;
129 if ((pwfx->nChannels != 1) && (pwfx->nChannels != 2))
130 return False;
131 if ((pwfx->wBitsPerSample != 8) && (pwfx->wBitsPerSample != 16))
132 return False;
133
134 return True;
135}
136
137BOOL
139{
140 int channels;
141 int frameSize, channelCount;
142 ALpv params;
143
144#if (defined(IRIX_DEBUG))
145 fprintf(stderr, "wave_out_set_format: init...\n");
146#endif
147
149 if (pwfx->wBitsPerSample == 8)
150 width = AL_SAMPLE_8;
151 else if (pwfx->wBitsPerSample == 16)
152 {
153 width = AL_SAMPLE_16;
154 /* Do we need to swap the 16bit values? (Are we BigEndian) */
155#if (defined(B_ENDIAN))
156 g_swapaudio = 1;
157#else
158 g_swapaudio = 0;
159#endif
160 }
161
162 /* Limited support to configure an opened audio port in IRIX. The
163 number of channels is a static setting and can not be changed after
164 a port is opened. So if the number of channels remains the same, we
165 can configure other settings; otherwise we have to reopen the audio
166 port, using same config. */
167
168 channels = pwfx->nChannels;
170
171 alSetSampFmt(audioconfig, AL_SAMPFMT_TWOSCOMP);
172 alSetWidth(audioconfig, width);
173 if (channels != alGetChannels(audioconfig))
174 {
175 alClosePort(output_port);
176 alSetChannels(audioconfig, channels);
177 output_port = alOpenPort("rdpsnd", "w", audioconfig);
178
179 if (output_port == (ALport) 0)
180 {
181 fprintf(stderr, "wave_out_set_format: alOpenPort failed: %s\n",
182 alGetErrorString(oserror()));
183 return False;
184 }
185
186 }
187
188 resource = alGetResource(output_port);
189 maxFillable = alGetFillable(output_port);
190 channelCount = alGetChannels(audioconfig);
191 frameSize = alGetWidth(audioconfig);
192
193 if (frameSize == 0 || channelCount == 0)
194 {
195 fprintf(stderr, "wave_out_set_format: bad frameSize or channelCount\n");
196 return False;
197 }
198 combinedFrameSize = frameSize * channelCount;
199
200 params.param = AL_RATE;
201 params.value.ll = (long long) g_snd_rate << 32;
202
203 if (alSetParams(resource, &params, 1) < 0)
204 {
205 fprintf(stderr, "wave_set_format: alSetParams failed: %s\n",
206 alGetErrorString(oserror()));
207 return False;
208 }
209 if (params.sizeOut < 0)
210 {
211 fprintf(stderr, "wave_set_format: invalid rate %d\n", g_snd_rate);
212 return False;
213 }
214
215#if (defined(IRIX_DEBUG))
216 fprintf(stderr, "wave_out_set_format: returning...\n");
217#endif
218 return True;
219}
220
221void
223{
224 double gainleft, gainright;
225 ALpv pv[1];
226 ALfixed gain[8];
227
228#if (defined(IRIX_DEBUG))
229 fprintf(stderr, "wave_out_volume: begin\n");
230 fprintf(stderr, "left='%d', right='%d'\n", left, right);
231#endif
232
233 gainleft = (double) left / IRIX_MAX_VOL;
234 gainright = (double) right / IRIX_MAX_VOL;
235
236 gain[0] = alDoubleToFixed(min_volume + gainleft * volume_range);
237 gain[1] = alDoubleToFixed(min_volume + gainright * volume_range);
238
239 pv[0].param = AL_GAIN;
240 pv[0].value.ptr = gain;
241 pv[0].sizeIn = 8;
242 if (alSetParams(AL_DEFAULT_OUTPUT, pv, 1) < 0)
243 {
244 fprintf(stderr, "wave_out_volume: alSetParams failed: %s\n",
245 alGetErrorString(oserror()));
246 return;
247 }
248
249#if (defined(IRIX_DEBUG))
250 fprintf(stderr, "wave_out_volume: returning\n");
251#endif
252}
253
254void
256{
258 unsigned int next_hi = (queue_hi + 1) % MAX_QUEUE;
259
260 if (next_hi == queue_lo)
261 {
262 fprintf(stderr, "No space to queue audio packet\n");
263 return;
264 }
265
266 queue_hi = next_hi;
267
268 packet->s = *s;
269 packet->tick = tick;
270 packet->index = index;
271 packet->s.p += 4;
272
273 /* we steal the data buffer from s, give it a new one */
274 s->data = malloc(s->size);
275
276 if (!This->dsp_bu)
278}
279
280void
282{
283 struct audio_packet *packet;
284 ssize_t len;
285 unsigned int i;
286 uint8 swap;
287 STREAM out;
288 static BOOL swapped = False;
289 int gf;
290
291 while (1)
292 {
293 if (queue_lo == queue_hi)
294 {
295 This->dsp_bu = False;
296 return;
297 }
298
300 out = &packet->s;
301
302 /* Swap the current packet, but only once */
303 if (g_swapaudio && !swapped)
304 {
305 for (i = 0; i < out->end - out->p; i += 2)
306 {
307 swap = *(out->p + i);
308 *(out->p + i) = *(out->p + i + 1);
309 *(out->p + i + 1) = swap;
310 }
311 swapped = True;
312 }
313
314 len = out->end - out->p;
315
316 alWriteFrames(output_port, out->p, len / combinedFrameSize);
317
318 out->p += len;
319 if (out->p == out->end)
320 {
321 gf = alGetFilled(output_port);
322 if (gf < (4 * maxFillable / 10))
323 {
324 rdpsnd_send_completion(packet->tick, packet->index);
325 free(out->data);
326 queue_lo = (queue_lo + 1) % MAX_QUEUE;
327 swapped = False;
328 }
329 else
330 {
331#if (defined(IRIX_DEBUG))
332/* fprintf(stderr,"Busy playing...\n"); */
333#endif
334 This->dsp_bu = True;
335 usleep(10);
336 return;
337 }
338 }
339 }
340}
#define WAVE_FORMAT_PCM
Definition: constants.h:425
unsigned short uint16
Definition: types.h:30
#define False
Definition: types.h:25
#define True
Definition: types.h:24
unsigned char uint8
Definition: types.h:28
#define index(s, c)
Definition: various.h:29
#define free
Definition: debug_ros.c:5
#define malloc
Definition: debug_ros.c:4
unsigned int BOOL
Definition: ntddk_ex.h:94
GLdouble s
Definition: gl.h:2039
GLint GLint GLsizei width
Definition: gl.h:1546
GLuint index
Definition: glext.h:6031
GLdouble GLdouble right
Definition: glext.h:10859
GLenum const GLfloat * params
Definition: glext.h:5645
GLint left
Definition: glext.h:7726
GLenum GLsizei len
Definition: glext.h:6722
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define stderr
Definition: stdio.h:100
_Check_return_opt_ _CRTIMP int __cdecl fprintf(_Inout_ FILE *_File, _In_z_ _Printf_format_string_ const char *_Format,...)
static const char mbstate_t *static wchar_t const char mbstate_t *static const wchar_t int *static double
Definition: string.c:80
int usleep(unsigned int useconds)
#define swap(a, b)
Definition: qsort.c:63
#define long
Definition: qsort.c:33
void rdpsnd_send_completion(RDPCLIENT *This, uint16 tick, uint8 packet_index)
Definition: rdpsnd.c:55
int This channels
Definition: rdpsnd_libao.c:37
ALport output_port
Definition: rdpsnd_sgi.c:35
static unsigned int queue_lo
Definition: rdpsnd_sgi.c:53
BOOL wave_out_open(void)
Definition: rdpsnd_sgi.c:56
double max_volume
Definition: rdpsnd_sgi.c:43
BOOL wave_out_format_supported(WAVEFORMATEX *pwfx)
Definition: rdpsnd_sgi.c:125
int resource
Definition: rdpsnd_sgi.c:44
void wave_out_write(STREAM s, uint16 tick, uint8 index)
Definition: rdpsnd_sgi.c:255
static BOOL g_swapaudio
Definition: rdpsnd_sgi.c:38
BOOL wave_out_set_format(WAVEFORMATEX *pwfx)
Definition: rdpsnd_sgi.c:138
void wave_out_close(void)
Definition: rdpsnd_sgi.c:102
void wave_out_volume(uint16 left, uint16 right)
Definition: rdpsnd_sgi.c:222
double volume_range
Definition: rdpsnd_sgi.c:43
ALconfig audioconfig
Definition: rdpsnd_sgi.c:34
#define IRIX_MAX_VOL
Definition: rdpsnd_sgi.c:29
void wave_out_play(void)
Definition: rdpsnd_sgi.c:281
int combinedFrameSize
Definition: rdpsnd_sgi.c:45
static unsigned int queue_hi
Definition: rdpsnd_sgi.c:53
#define MAX_QUEUE
Definition: rdpsnd_sgi.c:31
static int g_snd_rate
Definition: rdpsnd_sgi.c:39
int maxFillable
Definition: rdpsnd_sgi.c:44
double min_volume
Definition: rdpsnd_sgi.c:43
static struct audio_packet packet_queue[MAX_QUEUE]
static FILE * out
Definition: regtests2xml.c:44
int ssize_t
Definition: rosdhcp.h:48
WORD wBitsPerSample
Definition: audioclient.idl:45
DWORD nSamplesPerSec
Definition: audioclient.idl:42
Definition: dhcpd.h:135
Definition: parse.h:23