| 1 |
/* |
| 2 |
* audio.cpp - Audio support |
| 3 |
* |
| 4 |
* Basilisk II (C) 1997-2000 Christian Bauer |
| 5 |
* Portions (C) 1997-1999 Marc Hellwig |
| 6 |
* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 |
*/ |
| 21 |
|
| 22 |
/* |
| 23 |
* SEE ALSO |
| 24 |
* Inside Macintosh: Sound, chapter 5 "Sound Components" |
| 25 |
*/ |
| 26 |
|
| 27 |
#include "sysdeps.h" |
| 28 |
#include "cpu_emulation.h" |
| 29 |
#include "macos_util.h" |
| 30 |
#include "emul_op.h" |
| 31 |
#include "main.h" |
| 32 |
#include "audio.h" |
| 33 |
#include "audio_defs.h" |
| 34 |
|
| 35 |
#define DEBUG 0 |
| 36 |
#include "debug.h" |
| 37 |
|
| 38 |
|
| 39 |
// Global variables |
| 40 |
struct audio_status AudioStatus; // Current audio status (sample rate etc.) |
| 41 |
bool audio_open = false; // Flag: audio is initialized and ready |
| 42 |
int audio_frames_per_block; // Number of audio frames per block |
| 43 |
uint32 audio_component_flags; // Component feature flags |
| 44 |
uint32 audio_data = 0; // Mac address of global data area |
| 45 |
static int open_count = 0; // Open/close nesting count |
| 46 |
|
| 47 |
bool AudioAvailable = false; // Flag: audio output available (from the software point of view) |
| 48 |
|
| 49 |
|
| 50 |
/* |
| 51 |
* Get audio info |
| 52 |
*/ |
| 53 |
|
| 54 |
static int32 AudioGetInfo(uint32 infoPtr, uint32 selector, uint32 sourceID) |
| 55 |
{ |
| 56 |
D(bug(" AudioGetInfo %c%c%c%c, infoPtr %08lx, source ID %08lx\n", selector >> 24, (selector >> 16) & 0xff, (selector >> 8) & 0xff, selector & 0xff, infoPtr, sourceID)); |
| 57 |
M68kRegisters r; |
| 58 |
int i; |
| 59 |
|
| 60 |
switch (selector) { |
| 61 |
case siSampleSize: |
| 62 |
WriteMacInt16(infoPtr, AudioStatus.sample_size); |
| 63 |
break; |
| 64 |
|
| 65 |
case siSampleSizeAvailable: { |
| 66 |
r.d[0] = audio_num_sample_sizes * 2; |
| 67 |
Execute68kTrap(0xa122, &r); // NewHandle() |
| 68 |
uint32 h = r.a[0]; |
| 69 |
if (h == 0) |
| 70 |
return memFullErr; |
| 71 |
WriteMacInt16(infoPtr + sil_count, audio_num_sample_sizes); |
| 72 |
WriteMacInt32(infoPtr + sil_infoHandle, h); |
| 73 |
uint32 sp = ReadMacInt32(h); |
| 74 |
for (i=0; i<audio_num_sample_sizes; i++) |
| 75 |
WriteMacInt16(sp + i*2, audio_sample_sizes[i]); |
| 76 |
break; |
| 77 |
} |
| 78 |
|
| 79 |
case siNumberChannels: |
| 80 |
WriteMacInt16(infoPtr, AudioStatus.channels); |
| 81 |
break; |
| 82 |
|
| 83 |
case siChannelAvailable: { |
| 84 |
r.d[0] = audio_num_channel_counts * 2; |
| 85 |
Execute68kTrap(0xa122, &r); // NewHandle() |
| 86 |
uint32 h = r.a[0]; |
| 87 |
if (h == 0) |
| 88 |
return memFullErr; |
| 89 |
WriteMacInt16(infoPtr + sil_count, audio_num_channel_counts); |
| 90 |
WriteMacInt32(infoPtr + sil_infoHandle, h); |
| 91 |
uint32 sp = ReadMacInt32(h); |
| 92 |
for (i=0; i<audio_num_channel_counts; i++) |
| 93 |
WriteMacInt16(sp + i*2, audio_channel_counts[i]); |
| 94 |
break; |
| 95 |
} |
| 96 |
|
| 97 |
case siSampleRate: |
| 98 |
WriteMacInt32(infoPtr, AudioStatus.sample_rate); |
| 99 |
break; |
| 100 |
|
| 101 |
case siSampleRateAvailable: { |
| 102 |
r.d[0] = audio_num_sample_rates * 4; |
| 103 |
Execute68kTrap(0xa122, &r); // NewHandle() |
| 104 |
uint32 h = r.a[0]; |
| 105 |
if (h == 0) |
| 106 |
return memFullErr; |
| 107 |
WriteMacInt16(infoPtr + sil_count, audio_num_sample_rates); |
| 108 |
WriteMacInt32(infoPtr + sil_infoHandle, h); |
| 109 |
uint32 lp = ReadMacInt32(h); |
| 110 |
for (i=0; i<audio_num_sample_rates; i++) |
| 111 |
WriteMacInt32(lp + i*4, audio_sample_rates[i]); |
| 112 |
break; |
| 113 |
} |
| 114 |
|
| 115 |
case siSpeakerMute: |
| 116 |
WriteMacInt16(infoPtr, audio_get_speaker_mute()); |
| 117 |
break; |
| 118 |
|
| 119 |
case siSpeakerVolume: |
| 120 |
WriteMacInt32(infoPtr, audio_get_speaker_volume()); |
| 121 |
break; |
| 122 |
|
| 123 |
case siHeadphoneMute: |
| 124 |
WriteMacInt16(infoPtr, 0); |
| 125 |
break; |
| 126 |
|
| 127 |
case siHeadphoneVolume: |
| 128 |
WriteMacInt32(infoPtr, 0x01000100); |
| 129 |
break; |
| 130 |
|
| 131 |
case siHeadphoneVolumeSteps: |
| 132 |
WriteMacInt16(infoPtr, 13); |
| 133 |
break; |
| 134 |
|
| 135 |
case siHardwareMute: |
| 136 |
WriteMacInt16(infoPtr, audio_get_main_mute()); |
| 137 |
break; |
| 138 |
|
| 139 |
case siHardwareVolume: |
| 140 |
WriteMacInt32(infoPtr, audio_get_main_volume()); |
| 141 |
break; |
| 142 |
|
| 143 |
case siHardwareVolumeSteps: |
| 144 |
WriteMacInt16(infoPtr, 13); |
| 145 |
break; |
| 146 |
|
| 147 |
case siHardwareBusy: |
| 148 |
WriteMacInt16(infoPtr, AudioStatus.num_sources != 0); |
| 149 |
break; |
| 150 |
|
| 151 |
default: // Delegate to Apple Mixer |
| 152 |
if (AudioStatus.mixer == 0) |
| 153 |
return badComponentSelector; |
| 154 |
M68kRegisters r; |
| 155 |
r.a[0] = infoPtr; |
| 156 |
r.d[0] = selector; |
| 157 |
r.a[1] = sourceID; |
| 158 |
r.a[2] = AudioStatus.mixer; |
| 159 |
Execute68k(audio_data + adatGetInfo, &r); |
| 160 |
D(bug(" delegated to Apple Mixer, returns %08lx\n", r.d[0])); |
| 161 |
return r.d[0]; |
| 162 |
} |
| 163 |
return noErr; |
| 164 |
} |
| 165 |
|
| 166 |
|
| 167 |
/* |
| 168 |
* Set audio info |
| 169 |
*/ |
| 170 |
|
| 171 |
static int32 AudioSetInfo(uint32 infoPtr, uint32 selector, uint32 sourceID) |
| 172 |
{ |
| 173 |
D(bug(" AudioSetInfo %c%c%c%c, infoPtr %08lx, source ID %08lx\n", selector >> 24, (selector >> 16) & 0xff, (selector >> 8) & 0xff, selector & 0xff, infoPtr, sourceID)); |
| 174 |
M68kRegisters r; |
| 175 |
int i; |
| 176 |
|
| 177 |
switch (selector) { |
| 178 |
case siSampleSize: |
| 179 |
D(bug(" set sample size %08lx\n", infoPtr)); |
| 180 |
if (AudioStatus.num_sources) |
| 181 |
return siDeviceBusyErr; |
| 182 |
for (i=0; i<audio_num_sample_sizes; i++) |
| 183 |
if (audio_sample_sizes[i] == infoPtr) { |
| 184 |
audio_set_sample_size(i); |
| 185 |
return noErr; |
| 186 |
} |
| 187 |
return siInvalidSampleSize; |
| 188 |
|
| 189 |
case siSampleRate: |
| 190 |
D(bug(" set sample rate %08lx\n", infoPtr)); |
| 191 |
if (AudioStatus.num_sources) |
| 192 |
return siDeviceBusyErr; |
| 193 |
for (i=0; i<audio_num_sample_rates; i++) |
| 194 |
if (audio_sample_rates[i] == infoPtr) { |
| 195 |
audio_set_sample_rate(i); |
| 196 |
return noErr; |
| 197 |
} |
| 198 |
return siInvalidSampleRate; |
| 199 |
|
| 200 |
case siNumberChannels: |
| 201 |
D(bug(" set number of channels %08lx\n", infoPtr)); |
| 202 |
if (AudioStatus.num_sources) |
| 203 |
return siDeviceBusyErr; |
| 204 |
for (i=0; i<audio_num_channel_counts; i++) |
| 205 |
if (audio_channel_counts[i] == infoPtr) { |
| 206 |
audio_set_channels(i); |
| 207 |
return noErr; |
| 208 |
} |
| 209 |
return badChannel; |
| 210 |
|
| 211 |
case siSpeakerMute: |
| 212 |
audio_set_speaker_mute((uint16)infoPtr); |
| 213 |
break; |
| 214 |
|
| 215 |
case siSpeakerVolume: |
| 216 |
D(bug(" set speaker volume %08lx\n", infoPtr)); |
| 217 |
audio_set_speaker_volume(infoPtr); |
| 218 |
break; |
| 219 |
|
| 220 |
case siHeadphoneMute: |
| 221 |
case siHeadphoneVolume: |
| 222 |
break; |
| 223 |
|
| 224 |
case siHardwareMute: |
| 225 |
audio_set_main_mute((uint16)infoPtr); |
| 226 |
break; |
| 227 |
|
| 228 |
case siHardwareVolume: |
| 229 |
D(bug(" set hardware volume %08lx\n", infoPtr)); |
| 230 |
audio_set_main_volume(infoPtr); |
| 231 |
break; |
| 232 |
|
| 233 |
default: // Delegate to Apple Mixer |
| 234 |
if (AudioStatus.mixer == 0) |
| 235 |
return badComponentSelector; |
| 236 |
r.a[0] = infoPtr; |
| 237 |
r.d[0] = selector; |
| 238 |
r.a[1] = sourceID; |
| 239 |
r.a[2] = AudioStatus.mixer; |
| 240 |
Execute68k(audio_data + adatSetInfo, &r); |
| 241 |
D(bug(" delegated to Apple Mixer, returns %08lx\n", r.d[0])); |
| 242 |
return r.d[0]; |
| 243 |
} |
| 244 |
return noErr; |
| 245 |
} |
| 246 |
|
| 247 |
|
| 248 |
/* |
| 249 |
* Sound output component dispatch |
| 250 |
*/ |
| 251 |
|
| 252 |
int32 AudioDispatch(uint32 params, uint32 globals) |
| 253 |
{ |
| 254 |
D(bug("AudioDispatch params %08lx (size %d), what %d\n", params, ReadMacInt8(params + cp_paramSize), (int16)ReadMacInt16(params + cp_what))); |
| 255 |
M68kRegisters r; |
| 256 |
uint32 p = params + cp_params; |
| 257 |
|
| 258 |
switch ((int16)ReadMacInt16(params + cp_what)) { |
| 259 |
// Basic component functions |
| 260 |
case kComponentOpenSelect: |
| 261 |
if (audio_data == 0) { |
| 262 |
|
| 263 |
// Allocate global data area |
| 264 |
r.d[0] = SIZEOF_adat; |
| 265 |
Execute68kTrap(0xa71e, &r); // NewPtrSysClear() |
| 266 |
if (r.a[0] == 0) |
| 267 |
return memFullErr; |
| 268 |
audio_data = r.a[0]; |
| 269 |
D(bug(" global data at %08lx\n", audio_data)); |
| 270 |
|
| 271 |
// Put in 68k routines |
| 272 |
int p = audio_data + adatDelegateCall; |
| 273 |
WriteMacInt16(p, 0x598f); p += 2; // subq.l #4,sp |
| 274 |
WriteMacInt16(p, 0x2f09); p += 2; // move.l a1,-(sp) |
| 275 |
WriteMacInt16(p, 0x2f08); p += 2; // move.l a0,-(sp) |
| 276 |
WriteMacInt16(p, 0x7024); p += 2; // moveq #$24,d0 |
| 277 |
WriteMacInt16(p, 0xa82a); p += 2; // ComponentDispatch |
| 278 |
WriteMacInt16(p, 0x201f); p += 2; // move.l (sp)+,d0 |
| 279 |
WriteMacInt16(p, M68K_RTS); p += 2; // rts |
| 280 |
if (p - audio_data != adatOpenMixer) |
| 281 |
goto adat_error; |
| 282 |
WriteMacInt16(p, 0x558f); p += 2; // subq.l #2,sp |
| 283 |
WriteMacInt16(p, 0x2f09); p += 2; // move.l a1,-(sp) |
| 284 |
WriteMacInt16(p, 0x2f00); p += 2; // move.l d0,-(sp) |
| 285 |
WriteMacInt16(p, 0x2f08); p += 2; // move.l a0,-(sp) |
| 286 |
WriteMacInt16(p, 0x203c); p += 2; // move.l #$06140018,d0 |
| 287 |
WriteMacInt32(p, 0x06140018); p+= 4; |
| 288 |
WriteMacInt16(p, 0xa800); p += 2; // SoundDispatch |
| 289 |
WriteMacInt16(p, 0x301f); p += 2; // move.w (sp)+,d0 |
| 290 |
WriteMacInt16(p, 0x48c0); p += 2; // ext.l d0 |
| 291 |
WriteMacInt16(p, M68K_RTS); p += 2; // rts |
| 292 |
if (p - audio_data != adatCloseMixer) |
| 293 |
goto adat_error; |
| 294 |
WriteMacInt16(p, 0x558f); p += 2; // subq.l #2,sp |
| 295 |
WriteMacInt16(p, 0x2f08); p += 2; // move.l a0,-(sp) |
| 296 |
WriteMacInt16(p, 0x203c); p += 2; // move.l #$02180018,d0 |
| 297 |
WriteMacInt32(p, 0x02180018); p+= 4; |
| 298 |
WriteMacInt16(p, 0xa800); p += 2; // SoundDispatch |
| 299 |
WriteMacInt16(p, 0x301f); p += 2; // move.w (sp)+,d0 |
| 300 |
WriteMacInt16(p, 0x48c0); p += 2; // ext.l d0 |
| 301 |
WriteMacInt16(p, M68K_RTS); p += 2; // rts |
| 302 |
if (p - audio_data != adatGetInfo) |
| 303 |
goto adat_error; |
| 304 |
WriteMacInt16(p, 0x598f); p += 2; // subq.l #4,sp |
| 305 |
WriteMacInt16(p, 0x2f0a); p += 2; // move.l a2,-(sp) |
| 306 |
WriteMacInt16(p, 0x2f09); p += 2; // move.l a1,-(sp) |
| 307 |
WriteMacInt16(p, 0x2f00); p += 2; // move.l d0,-(sp) |
| 308 |
WriteMacInt16(p, 0x2f08); p += 2; // move.l a0,-(sp) |
| 309 |
WriteMacInt16(p, 0x2f3c); p += 2; // move.l #$000c0103,-(sp) |
| 310 |
WriteMacInt32(p, 0x000c0103); p+= 4; |
| 311 |
WriteMacInt16(p, 0x7000); p += 2; // moveq #0,d0 |
| 312 |
WriteMacInt16(p, 0xa82a); p += 2; // ComponentDispatch |
| 313 |
WriteMacInt16(p, 0x201f); p += 2; // move.l (sp)+,d0 |
| 314 |
WriteMacInt16(p, M68K_RTS); p += 2; // rts |
| 315 |
if (p - audio_data != adatSetInfo) |
| 316 |
goto adat_error; |
| 317 |
WriteMacInt16(p, 0x598f); p += 2; // subq.l #4,sp |
| 318 |
WriteMacInt16(p, 0x2f0a); p += 2; // move.l a2,-(sp) |
| 319 |
WriteMacInt16(p, 0x2f09); p += 2; // move.l a1,-(sp) |
| 320 |
WriteMacInt16(p, 0x2f00); p += 2; // move.l d0,-(sp) |
| 321 |
WriteMacInt16(p, 0x2f08); p += 2; // move.l a0,-(sp) |
| 322 |
WriteMacInt16(p, 0x2f3c); p += 2; // move.l #$000c0104,-(sp) |
| 323 |
WriteMacInt32(p, 0x000c0104); p+= 4; |
| 324 |
WriteMacInt16(p, 0x7000); p += 2; // moveq #0,d0 |
| 325 |
WriteMacInt16(p, 0xa82a); p += 2; // ComponentDispatch |
| 326 |
WriteMacInt16(p, 0x201f); p += 2; // move.l (sp)+,d0 |
| 327 |
WriteMacInt16(p, M68K_RTS); p += 2; // rts |
| 328 |
if (p - audio_data != adatPlaySourceBuffer) |
| 329 |
goto adat_error; |
| 330 |
WriteMacInt16(p, 0x598f); p += 2; // subq.l #4,sp |
| 331 |
WriteMacInt16(p, 0x2f0a); p += 2; // move.l a2,-(sp) |
| 332 |
WriteMacInt16(p, 0x2f09); p += 2; // move.l a1,-(sp) |
| 333 |
WriteMacInt16(p, 0x2f08); p += 2; // move.l a0,-(sp) |
| 334 |
WriteMacInt16(p, 0x2f00); p += 2; // move.l d0,-(sp) |
| 335 |
WriteMacInt16(p, 0x2f3c); p += 2; // move.l #$000c0108,-(sp) |
| 336 |
WriteMacInt32(p, 0x000c0108); p+= 4; |
| 337 |
WriteMacInt16(p, 0x7000); p += 2; // moveq #0,d0 |
| 338 |
WriteMacInt16(p, 0xa82a); p += 2; // ComponentDispatch |
| 339 |
WriteMacInt16(p, 0x201f); p += 2; // move.l (sp)+,d0 |
| 340 |
WriteMacInt16(p, M68K_RTS); p += 2; // rts |
| 341 |
if (p - audio_data != adatGetSourceData) |
| 342 |
goto adat_error; |
| 343 |
WriteMacInt16(p, 0x598f); p += 2; // subq.l #4,sp |
| 344 |
WriteMacInt16(p, 0x2f09); p += 2; // move.l a1,-(sp) |
| 345 |
WriteMacInt16(p, 0x2f08); p += 2; // move.l a0,-(sp) |
| 346 |
WriteMacInt16(p, 0x2f3c); p += 2; // move.l #$00040004,-(sp) |
| 347 |
WriteMacInt32(p, 0x00040004); p+= 4; |
| 348 |
WriteMacInt16(p, 0x7000); p += 2; // moveq #0,d0 |
| 349 |
WriteMacInt16(p, 0xa82a); p += 2; // ComponentDispatch |
| 350 |
WriteMacInt16(p, 0x201f); p += 2; // move.l (sp)+,d0 |
| 351 |
WriteMacInt16(p, M68K_RTS); p += 2; // rts |
| 352 |
if (p - audio_data != adatData) |
| 353 |
goto adat_error; |
| 354 |
} |
| 355 |
AudioAvailable = true; |
| 356 |
if (open_count == 0) |
| 357 |
audio_enter_stream(); |
| 358 |
open_count++; |
| 359 |
return noErr; |
| 360 |
|
| 361 |
adat_error: printf("FATAL: audio component data block initialization error\n"); |
| 362 |
QuitEmulator(); |
| 363 |
return openErr; |
| 364 |
|
| 365 |
case kComponentCanDoSelect: |
| 366 |
case kComponentRegisterSelect: |
| 367 |
return noErr; |
| 368 |
|
| 369 |
case kComponentVersionSelect: |
| 370 |
return 0x00010003; |
| 371 |
|
| 372 |
case kComponentCloseSelect: |
| 373 |
open_count--; |
| 374 |
if (open_count == 0) { |
| 375 |
if (AudioStatus.mixer) { |
| 376 |
// Close Apple Mixer |
| 377 |
r.a[0] = AudioStatus.mixer; |
| 378 |
Execute68k(audio_data + adatCloseMixer, &r); |
| 379 |
AudioStatus.mixer = 0; |
| 380 |
return r.d[0]; |
| 381 |
} |
| 382 |
AudioStatus.num_sources = 0; |
| 383 |
audio_exit_stream(); |
| 384 |
} |
| 385 |
return noErr; |
| 386 |
|
| 387 |
// Sound component functions |
| 388 |
case kSoundComponentInitOutputDeviceSelect: |
| 389 |
D(bug(" InitOutputDevice\n")); |
| 390 |
if (!audio_open) |
| 391 |
return noHardwareErr; |
| 392 |
if (AudioStatus.mixer) |
| 393 |
return noErr; |
| 394 |
|
| 395 |
// Init sound component data |
| 396 |
WriteMacInt32(audio_data + adatData + scd_flags, 0); |
| 397 |
WriteMacInt32(audio_data + adatData + scd_format, AudioStatus.sample_size == 16 ? 'twos' : 'raw '); |
| 398 |
WriteMacInt16(audio_data + adatData + scd_numChannels, AudioStatus.channels); |
| 399 |
WriteMacInt16(audio_data + adatData + scd_sampleSize, AudioStatus.sample_size); |
| 400 |
WriteMacInt32(audio_data + adatData + scd_sampleRate, AudioStatus.sample_rate); |
| 401 |
WriteMacInt32(audio_data + adatData + scd_sampleCount, audio_frames_per_block); |
| 402 |
WriteMacInt32(audio_data + adatData + scd_buffer, 0); |
| 403 |
WriteMacInt32(audio_data + adatData + scd_reserved, 0); |
| 404 |
WriteMacInt32(audio_data + adatStreamInfo, 0); |
| 405 |
|
| 406 |
// Open Apple Mixer |
| 407 |
r.a[0] = audio_data + adatMixer; |
| 408 |
r.d[0] = 0; |
| 409 |
r.a[1] = audio_data + adatData; |
| 410 |
Execute68k(audio_data + adatOpenMixer, &r); |
| 411 |
AudioStatus.mixer = ReadMacInt32(audio_data + adatMixer); |
| 412 |
D(bug(" OpenMixer() returns %08lx, mixer %08lx\n", r.d[0], AudioStatus.mixer)); |
| 413 |
return r.d[0]; |
| 414 |
|
| 415 |
case kSoundComponentAddSourceSelect: |
| 416 |
D(bug(" AddSource\n")); |
| 417 |
AudioStatus.num_sources++; |
| 418 |
goto delegate; |
| 419 |
|
| 420 |
case kSoundComponentRemoveSourceSelect: |
| 421 |
D(bug(" RemoveSource\n")); |
| 422 |
AudioStatus.num_sources--; |
| 423 |
goto delegate; |
| 424 |
|
| 425 |
case kSoundComponentStopSourceSelect: |
| 426 |
D(bug(" StopSource\n")); |
| 427 |
goto delegate; |
| 428 |
|
| 429 |
case kSoundComponentPauseSourceSelect: |
| 430 |
D(bug(" PauseSource\n")); |
| 431 |
delegate: // Delegate call to Apple Mixer |
| 432 |
D(bug(" delegating call to Apple Mixer\n")); |
| 433 |
r.a[0] = AudioStatus.mixer; |
| 434 |
r.a[1] = params; |
| 435 |
Execute68k(audio_data + adatDelegateCall, &r); |
| 436 |
D(bug(" returns %08lx\n", r.d[0])); |
| 437 |
return r.d[0]; |
| 438 |
|
| 439 |
case kSoundComponentStartSourceSelect: |
| 440 |
D(bug(" StartSource\n")); |
| 441 |
return noErr; |
| 442 |
|
| 443 |
case kSoundComponentGetInfoSelect: |
| 444 |
return AudioGetInfo(ReadMacInt32(p), ReadMacInt32(p + 4), ReadMacInt32(p + 8)); |
| 445 |
|
| 446 |
case kSoundComponentSetInfoSelect: |
| 447 |
return AudioSetInfo(ReadMacInt32(p), ReadMacInt32(p + 4), ReadMacInt32(p + 8)); |
| 448 |
|
| 449 |
case kSoundComponentPlaySourceBufferSelect: |
| 450 |
D(bug(" PlaySourceBuffer\n")); |
| 451 |
r.d[0] = ReadMacInt32(p); |
| 452 |
r.a[0] = ReadMacInt32(p + 4); |
| 453 |
r.a[1] = ReadMacInt32(p + 8); |
| 454 |
r.a[2] = AudioStatus.mixer; |
| 455 |
Execute68k(audio_data + adatPlaySourceBuffer, &r); |
| 456 |
D(bug(" returns %08lx\n", r.d[0])); |
| 457 |
return r.d[0]; |
| 458 |
|
| 459 |
default: |
| 460 |
return badComponentSelector; |
| 461 |
} |
| 462 |
} |
