1 /*
2 * QEMU DirectSound audio driver header
3 *
4 * Copyright (c) 2005 Vassili Karpov (malc)
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #ifdef DSBTYPE_IN
25 #define NAME "capture buffer"
26 #define NAME2 "DirectSoundCapture"
27 #define TYPE in
28 #define IFACE IDirectSoundCaptureBuffer
29 #define BUFPTR LPDIRECTSOUNDCAPTUREBUFFER
30 #define FIELD dsound_capture_buffer
31 #define FIELD2 dsound_capture
32 #define HWVOICE HWVoiceIn
33 #define DSOUNDVOICE DSoundVoiceIn
34 #else
35 #define NAME "playback buffer"
36 #define NAME2 "DirectSound"
37 #define TYPE out
38 #define IFACE IDirectSoundBuffer
39 #define BUFPTR LPDIRECTSOUNDBUFFER
40 #define FIELD dsound_buffer
41 #define FIELD2 dsound
42 #define HWVOICE HWVoiceOut
43 #define DSOUNDVOICE DSoundVoiceOut
44 #endif
45
glue(dsound_unlock_,TYPE)46 static int glue (dsound_unlock_, TYPE) (
47 BUFPTR buf,
48 LPVOID p1,
49 LPVOID p2,
50 DWORD blen1,
51 DWORD blen2
52 )
53 {
54 HRESULT hr;
55
56 hr = glue (IFACE, _Unlock) (buf, p1, blen1, p2, blen2);
57 if (FAILED (hr)) {
58 dsound_logerr (hr, "Could not unlock " NAME "\n");
59 return -1;
60 }
61
62 return 0;
63 }
64
glue(dsound_lock_,TYPE)65 static int glue (dsound_lock_, TYPE) (
66 BUFPTR buf,
67 struct audio_pcm_info *info,
68 DWORD pos,
69 DWORD len,
70 LPVOID *p1p,
71 LPVOID *p2p,
72 DWORD *blen1p,
73 DWORD *blen2p,
74 int entire,
75 dsound *s
76 )
77 {
78 HRESULT hr;
79 DWORD flag;
80
81 #ifdef DSBTYPE_IN
82 flag = entire ? DSCBLOCK_ENTIREBUFFER : 0;
83 #else
84 flag = entire ? DSBLOCK_ENTIREBUFFER : 0;
85 #endif
86 hr = glue(IFACE, _Lock)(buf, pos, len, p1p, blen1p, p2p, blen2p, flag);
87
88 if (FAILED (hr)) {
89 #ifndef DSBTYPE_IN
90 if (hr == DSERR_BUFFERLOST) {
91 if (glue (dsound_restore_, TYPE) (buf, s)) {
92 dsound_logerr (hr, "Could not lock " NAME "\n");
93 }
94 goto fail;
95 }
96 #endif
97 dsound_logerr (hr, "Could not lock " NAME "\n");
98 goto fail;
99 }
100
101 if ((p1p && *p1p && (*blen1p % info->bytes_per_frame)) ||
102 (p2p && *p2p && (*blen2p % info->bytes_per_frame))) {
103 dolog("DirectSound returned misaligned buffer %ld %ld\n",
104 *blen1p, *blen2p);
105 glue(dsound_unlock_, TYPE)(buf, *p1p, p2p ? *p2p : NULL, *blen1p,
106 blen2p ? *blen2p : 0);
107 goto fail;
108 }
109
110 if (p1p && !*p1p && *blen1p) {
111 dolog("warning: !p1 && blen1=%ld\n", *blen1p);
112 *blen1p = 0;
113 }
114
115 if (p2p && !*p2p && *blen2p) {
116 dolog("warning: !p2 && blen2=%ld\n", *blen2p);
117 *blen2p = 0;
118 }
119
120 return 0;
121
122 fail:
123 *p1p = NULL - 1;
124 *blen1p = -1;
125 if (p2p) {
126 *p2p = NULL - 1;
127 *blen2p = -1;
128 }
129 return -1;
130 }
131
132 #ifdef DSBTYPE_IN
dsound_fini_in(HWVoiceIn * hw)133 static void dsound_fini_in (HWVoiceIn *hw)
134 #else
135 static void dsound_fini_out (HWVoiceOut *hw)
136 #endif
137 {
138 HRESULT hr;
139 #ifdef DSBTYPE_IN
140 DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
141 #else
142 DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
143 #endif
144
145 if (ds->FIELD) {
146 hr = glue (IFACE, _Stop) (ds->FIELD);
147 if (FAILED (hr)) {
148 dsound_logerr (hr, "Could not stop " NAME "\n");
149 }
150
151 hr = glue (IFACE, _Release) (ds->FIELD);
152 if (FAILED (hr)) {
153 dsound_logerr (hr, "Could not release " NAME "\n");
154 }
155 ds->FIELD = NULL;
156 }
157 }
158
159 #ifdef DSBTYPE_IN
dsound_init_in(HWVoiceIn * hw,struct audsettings * as,void * drv_opaque)160 static int dsound_init_in(HWVoiceIn *hw, struct audsettings *as,
161 void *drv_opaque)
162 #else
163 static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
164 void *drv_opaque)
165 #endif
166 {
167 int err;
168 HRESULT hr;
169 dsound *s = drv_opaque;
170 WAVEFORMATEX wfx;
171 struct audsettings obt_as;
172 #ifdef DSBTYPE_IN
173 const char *typ = "ADC";
174 DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
175 DSCBUFFERDESC bd;
176 DSCBCAPS bc;
177 AudiodevPerDirectionOptions *pdo = s->dev->u.dsound.in;
178 #else
179 const char *typ = "DAC";
180 DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
181 DSBUFFERDESC bd;
182 DSBCAPS bc;
183 AudiodevPerDirectionOptions *pdo = s->dev->u.dsound.out;
184 #endif
185
186 if (!s->FIELD2) {
187 dolog ("Attempt to initialize voice without " NAME2 " object\n");
188 return -1;
189 }
190
191 err = waveformat_from_audio_settings (&wfx, as);
192 if (err) {
193 return -1;
194 }
195
196 memset (&bd, 0, sizeof (bd));
197 bd.dwSize = sizeof (bd);
198 bd.lpwfxFormat = &wfx;
199 bd.dwBufferBytes = audio_buffer_bytes(pdo, as, 92880);
200 #ifdef DSBTYPE_IN
201 hr = IDirectSoundCapture_CreateCaptureBuffer (
202 s->dsound_capture,
203 &bd,
204 &ds->dsound_capture_buffer,
205 NULL
206 );
207 #else
208 bd.dwFlags = DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
209 hr = IDirectSound_CreateSoundBuffer (
210 s->dsound,
211 &bd,
212 &ds->dsound_buffer,
213 NULL
214 );
215 #endif
216
217 if (FAILED (hr)) {
218 dsound_logerr2 (hr, typ, "Could not create " NAME "\n");
219 return -1;
220 }
221
222 hr = glue (IFACE, _GetFormat) (ds->FIELD, &wfx, sizeof (wfx), NULL);
223 if (FAILED (hr)) {
224 dsound_logerr2 (hr, typ, "Could not get " NAME " format\n");
225 goto fail0;
226 }
227
228 #ifdef DEBUG_DSOUND
229 dolog (NAME "\n");
230 print_wave_format (&wfx);
231 #endif
232
233 memset (&bc, 0, sizeof (bc));
234 bc.dwSize = sizeof (bc);
235
236 hr = glue (IFACE, _GetCaps) (ds->FIELD, &bc);
237 if (FAILED (hr)) {
238 dsound_logerr2 (hr, typ, "Could not get " NAME " format\n");
239 goto fail0;
240 }
241
242 err = waveformat_to_audio_settings (&wfx, &obt_as);
243 if (err) {
244 goto fail0;
245 }
246
247 obt_as.endianness = 0;
248 audio_pcm_init_info (&hw->info, &obt_as);
249
250 if (bc.dwBufferBytes % hw->info.bytes_per_frame) {
251 dolog (
252 "GetCaps returned misaligned buffer size %ld, alignment %d\n",
253 bc.dwBufferBytes, hw->info.bytes_per_frame
254 );
255 }
256 hw->size_emul = bc.dwBufferBytes;
257 hw->samples = bc.dwBufferBytes / hw->info.bytes_per_frame;
258 ds->s = s;
259
260 #ifdef DEBUG_DSOUND
261 dolog ("caps %ld, desc %ld\n",
262 bc.dwBufferBytes, bd.dwBufferBytes);
263 #endif
264 return 0;
265
266 fail0:
267 glue (dsound_fini_, TYPE) (hw);
268 return -1;
269 }
270
271 #undef NAME
272 #undef NAME2
273 #undef TYPE
274 #undef IFACE
275 #undef BUFPTR
276 #undef FIELD
277 #undef FIELD2
278 #undef HWVOICE
279 #undef DSOUNDVOICE
280