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| 1 |
/* public domain */
|
|---|---|
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|
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#include "qemu-common.h" |
| 4 |
#include "sysemu.h" |
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#include "audio.h" |
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|
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#define AUDIO_CAP "winwave" |
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#include "audio_int.h" |
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|
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#include <windows.h> |
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#include <mmsystem.h> |
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|
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#include "audio_win_int.h" |
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|
| 15 |
static struct { |
| 16 |
int dac_headers;
|
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int dac_samples;
|
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int adc_headers;
|
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int adc_samples;
|
| 20 |
} conf = {
|
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.dac_headers = 4,
|
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.dac_samples = 1024,
|
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.adc_headers = 4,
|
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.adc_samples = 1024
|
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}; |
| 26 |
|
| 27 |
typedef struct { |
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HWVoiceOut hw; |
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HWAVEOUT hwo; |
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WAVEHDR *hdrs; |
| 31 |
HANDLE event; |
| 32 |
void *pcm_buf;
|
| 33 |
int avail;
|
| 34 |
int pending;
|
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int curhdr;
|
| 36 |
int paused;
|
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CRITICAL_SECTION crit_sect; |
| 38 |
} WaveVoiceOut; |
| 39 |
|
| 40 |
typedef struct { |
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HWVoiceIn hw; |
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HWAVEIN hwi; |
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WAVEHDR *hdrs; |
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HANDLE event; |
| 45 |
void *pcm_buf;
|
| 46 |
int curhdr;
|
| 47 |
int paused;
|
| 48 |
int rpos;
|
| 49 |
int avail;
|
| 50 |
CRITICAL_SECTION crit_sect; |
| 51 |
} WaveVoiceIn; |
| 52 |
|
| 53 |
static void winwave_log_mmresult (MMRESULT mr) |
| 54 |
{
|
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const char *str = "BUG"; |
| 56 |
|
| 57 |
switch (mr) {
|
| 58 |
case MMSYSERR_NOERROR:
|
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str = "Success";
|
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break;
|
| 61 |
|
| 62 |
case MMSYSERR_INVALHANDLE:
|
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str = "Specified device handle is invalid";
|
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break;
|
| 65 |
|
| 66 |
case MMSYSERR_BADDEVICEID:
|
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str = "Specified device id is out of range";
|
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break;
|
| 69 |
|
| 70 |
case MMSYSERR_NODRIVER:
|
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str = "No device driver is present";
|
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break;
|
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|
| 74 |
case MMSYSERR_NOMEM:
|
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str = "Unable to allocate or locl memory";
|
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break;
|
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|
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case WAVERR_SYNC:
|
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str = "Device is synchronous but waveOutOpen was called "
|
| 80 |
"without using the WINWAVE_ALLOWSYNC flag";
|
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break;
|
| 82 |
|
| 83 |
case WAVERR_UNPREPARED:
|
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str = "The data block pointed to by the pwh parameter "
|
| 85 |
"hasn't been prepared";
|
| 86 |
break;
|
| 87 |
|
| 88 |
case WAVERR_STILLPLAYING:
|
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str = "There are still buffers in the queue";
|
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break;
|
| 91 |
|
| 92 |
default:
|
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dolog ("Reason: Unknown (MMRESULT %#x)\n", mr);
|
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return;
|
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} |
| 96 |
|
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dolog ("Reason: %s\n", str);
|
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} |
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|
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static void GCC_FMT_ATTR (2, 3) winwave_logerr ( |
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MMRESULT mr, |
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const char *fmt, |
| 103 |
... |
| 104 |
) |
| 105 |
{
|
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va_list ap; |
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|
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va_start (ap, fmt); |
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AUD_vlog (AUDIO_CAP, fmt, ap); |
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va_end (ap); |
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|
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AUD_log (NULL, " failed\n"); |
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winwave_log_mmresult (mr); |
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} |
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|
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static void winwave_anal_close_out (WaveVoiceOut *wave) |
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{
|
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MMRESULT mr; |
| 119 |
|
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mr = waveOutClose (wave->hwo); |
| 121 |
if (mr != MMSYSERR_NOERROR) {
|
| 122 |
winwave_logerr (mr, "waveOutClose");
|
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} |
| 124 |
wave->hwo = NULL;
|
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} |
| 126 |
|
| 127 |
static void CALLBACK winwave_callback_out ( |
| 128 |
HWAVEOUT hwo, |
| 129 |
UINT msg, |
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DWORD_PTR dwInstance, |
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DWORD_PTR dwParam1, |
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DWORD_PTR dwParam2 |
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) |
| 134 |
{
|
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WaveVoiceOut *wave = (WaveVoiceOut *) dwInstance; |
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|
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switch (msg) {
|
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case WOM_DONE:
|
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{
|
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WAVEHDR *h = (WAVEHDR *) dwParam1; |
| 141 |
if (!h->dwUser) {
|
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h->dwUser = 1;
|
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EnterCriticalSection (&wave->crit_sect); |
| 144 |
{
|
| 145 |
wave->avail += conf.dac_samples; |
| 146 |
} |
| 147 |
LeaveCriticalSection (&wave->crit_sect); |
| 148 |
if (wave->hw.poll_mode) {
|
| 149 |
if (!SetEvent (wave->event)) {
|
| 150 |
dolog ("DAC SetEvent failed %lx\n", GetLastError ());
|
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} |
| 152 |
} |
| 153 |
} |
| 154 |
} |
| 155 |
break;
|
| 156 |
|
| 157 |
case WOM_CLOSE:
|
| 158 |
case WOM_OPEN:
|
| 159 |
break;
|
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|
| 161 |
default:
|
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dolog ("unknown wave out callback msg %x\n", msg);
|
| 163 |
} |
| 164 |
} |
| 165 |
|
| 166 |
static int winwave_init_out (HWVoiceOut *hw, struct audsettings *as) |
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{
|
| 168 |
int i;
|
| 169 |
int err;
|
| 170 |
MMRESULT mr; |
| 171 |
WAVEFORMATEX wfx; |
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WaveVoiceOut *wave; |
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|
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wave = (WaveVoiceOut *) hw; |
| 175 |
|
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InitializeCriticalSection (&wave->crit_sect); |
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|
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err = waveformat_from_audio_settings (&wfx, as); |
| 179 |
if (err) {
|
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goto err0;
|
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} |
| 182 |
|
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mr = waveOutOpen (&wave->hwo, WAVE_MAPPER, &wfx, |
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(DWORD_PTR) winwave_callback_out, |
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(DWORD_PTR) wave, CALLBACK_FUNCTION); |
| 186 |
if (mr != MMSYSERR_NOERROR) {
|
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winwave_logerr (mr, "waveOutOpen");
|
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goto err1;
|
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} |
| 190 |
|
| 191 |
wave->hdrs = audio_calloc (AUDIO_FUNC, conf.dac_headers, |
| 192 |
sizeof (*wave->hdrs));
|
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if (!wave->hdrs) {
|
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goto err2;
|
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} |
| 196 |
|
| 197 |
audio_pcm_init_info (&hw->info, as); |
| 198 |
hw->samples = conf.dac_samples * conf.dac_headers; |
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wave->avail = hw->samples; |
| 200 |
|
| 201 |
wave->pcm_buf = audio_calloc (AUDIO_FUNC, conf.dac_samples, |
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conf.dac_headers << hw->info.shift); |
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if (!wave->pcm_buf) {
|
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goto err3;
|
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} |
| 206 |
|
| 207 |
for (i = 0; i < conf.dac_headers; ++i) { |
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WAVEHDR *h = &wave->hdrs[i]; |
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|
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h->dwUser = 0;
|
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h->dwBufferLength = conf.dac_samples << hw->info.shift; |
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h->lpData = advance (wave->pcm_buf, i * h->dwBufferLength); |
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h->dwFlags = 0;
|
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|
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mr = waveOutPrepareHeader (wave->hwo, h, sizeof (*h));
|
| 216 |
if (mr != MMSYSERR_NOERROR) {
|
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winwave_logerr (mr, "waveOutPrepareHeader(%d)", i);
|
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goto err4;
|
| 219 |
} |
| 220 |
} |
| 221 |
|
| 222 |
return 0; |
| 223 |
|
| 224 |
err4:
|
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g_free (wave->pcm_buf); |
| 226 |
err3:
|
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g_free (wave->hdrs); |
| 228 |
err2:
|
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winwave_anal_close_out (wave); |
| 230 |
err1:
|
| 231 |
err0:
|
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return -1; |
| 233 |
} |
| 234 |
|
| 235 |
static int winwave_write (SWVoiceOut *sw, void *buf, int len) |
| 236 |
{
|
| 237 |
return audio_pcm_sw_write (sw, buf, len);
|
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} |
| 239 |
|
| 240 |
static int winwave_run_out (HWVoiceOut *hw, int live) |
| 241 |
{
|
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WaveVoiceOut *wave = (WaveVoiceOut *) hw; |
| 243 |
int decr;
|
| 244 |
int doreset;
|
| 245 |
|
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EnterCriticalSection (&wave->crit_sect); |
| 247 |
{
|
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decr = audio_MIN (live, wave->avail); |
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decr = audio_pcm_hw_clip_out (hw, wave->pcm_buf, decr, wave->pending); |
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wave->pending += decr; |
| 251 |
wave->avail -= decr; |
| 252 |
} |
| 253 |
LeaveCriticalSection (&wave->crit_sect); |
| 254 |
|
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doreset = hw->poll_mode && (wave->pending >= conf.dac_samples); |
| 256 |
if (doreset && !ResetEvent (wave->event)) {
|
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dolog ("DAC ResetEvent failed %lx\n", GetLastError ());
|
| 258 |
} |
| 259 |
|
| 260 |
while (wave->pending >= conf.dac_samples) {
|
| 261 |
MMRESULT mr; |
| 262 |
WAVEHDR *h = &wave->hdrs[wave->curhdr]; |
| 263 |
|
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h->dwUser = 0;
|
| 265 |
mr = waveOutWrite (wave->hwo, h, sizeof (*h));
|
| 266 |
if (mr != MMSYSERR_NOERROR) {
|
| 267 |
winwave_logerr (mr, "waveOutWrite(%d)", wave->curhdr);
|
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break;
|
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} |
| 270 |
|
| 271 |
wave->pending -= conf.dac_samples; |
| 272 |
wave->curhdr = (wave->curhdr + 1) % conf.dac_headers;
|
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} |
| 274 |
|
| 275 |
return decr;
|
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} |
| 277 |
|
| 278 |
static void winwave_poll (void *opaque) |
| 279 |
{
|
| 280 |
(void) opaque;
|
| 281 |
audio_run ("winwave_poll");
|
| 282 |
} |
| 283 |
|
| 284 |
static void winwave_fini_out (HWVoiceOut *hw) |
| 285 |
{
|
| 286 |
int i;
|
| 287 |
MMRESULT mr; |
| 288 |
WaveVoiceOut *wave = (WaveVoiceOut *) hw; |
| 289 |
|
| 290 |
mr = waveOutReset (wave->hwo); |
| 291 |
if (mr != MMSYSERR_NOERROR) {
|
| 292 |
winwave_logerr (mr, "waveOutReset");
|
| 293 |
} |
| 294 |
|
| 295 |
for (i = 0; i < conf.dac_headers; ++i) { |
| 296 |
mr = waveOutUnprepareHeader (wave->hwo, &wave->hdrs[i], |
| 297 |
sizeof (wave->hdrs[i]));
|
| 298 |
if (mr != MMSYSERR_NOERROR) {
|
| 299 |
winwave_logerr (mr, "waveOutUnprepareHeader(%d)", i);
|
| 300 |
} |
| 301 |
} |
| 302 |
|
| 303 |
winwave_anal_close_out (wave); |
| 304 |
|
| 305 |
if (wave->event) {
|
| 306 |
qemu_del_wait_object (wave->event, winwave_poll, wave); |
| 307 |
if (!CloseHandle (wave->event)) {
|
| 308 |
dolog ("DAC CloseHandle failed %lx\n", GetLastError ());
|
| 309 |
} |
| 310 |
wave->event = NULL;
|
| 311 |
} |
| 312 |
|
| 313 |
g_free (wave->pcm_buf); |
| 314 |
wave->pcm_buf = NULL;
|
| 315 |
|
| 316 |
g_free (wave->hdrs); |
| 317 |
wave->hdrs = NULL;
|
| 318 |
} |
| 319 |
|
| 320 |
static int winwave_ctl_out (HWVoiceOut *hw, int cmd, ...) |
| 321 |
{
|
| 322 |
MMRESULT mr; |
| 323 |
WaveVoiceOut *wave = (WaveVoiceOut *) hw; |
| 324 |
|
| 325 |
switch (cmd) {
|
| 326 |
case VOICE_ENABLE:
|
| 327 |
{
|
| 328 |
va_list ap; |
| 329 |
int poll_mode;
|
| 330 |
|
| 331 |
va_start (ap, cmd); |
| 332 |
poll_mode = va_arg (ap, int);
|
| 333 |
va_end (ap); |
| 334 |
|
| 335 |
if (poll_mode && !wave->event) {
|
| 336 |
wave->event = CreateEvent (NULL, TRUE, TRUE, NULL); |
| 337 |
if (!wave->event) {
|
| 338 |
dolog ("DAC CreateEvent: %lx, poll mode will be disabled\n",
|
| 339 |
GetLastError ()); |
| 340 |
} |
| 341 |
} |
| 342 |
|
| 343 |
if (wave->event) {
|
| 344 |
int ret;
|
| 345 |
|
| 346 |
ret = qemu_add_wait_object (wave->event, winwave_poll, wave); |
| 347 |
hw->poll_mode = (ret == 0);
|
| 348 |
} |
| 349 |
else {
|
| 350 |
hw->poll_mode = 0;
|
| 351 |
} |
| 352 |
if (wave->paused) {
|
| 353 |
mr = waveOutRestart (wave->hwo); |
| 354 |
if (mr != MMSYSERR_NOERROR) {
|
| 355 |
winwave_logerr (mr, "waveOutRestart");
|
| 356 |
} |
| 357 |
wave->paused = 0;
|
| 358 |
} |
| 359 |
} |
| 360 |
return 0; |
| 361 |
|
| 362 |
case VOICE_DISABLE:
|
| 363 |
if (!wave->paused) {
|
| 364 |
mr = waveOutPause (wave->hwo); |
| 365 |
if (mr != MMSYSERR_NOERROR) {
|
| 366 |
winwave_logerr (mr, "waveOutPause");
|
| 367 |
} |
| 368 |
else {
|
| 369 |
wave->paused = 1;
|
| 370 |
} |
| 371 |
} |
| 372 |
if (wave->event) {
|
| 373 |
qemu_del_wait_object (wave->event, winwave_poll, wave); |
| 374 |
} |
| 375 |
return 0; |
| 376 |
} |
| 377 |
return -1; |
| 378 |
} |
| 379 |
|
| 380 |
static void winwave_anal_close_in (WaveVoiceIn *wave) |
| 381 |
{
|
| 382 |
MMRESULT mr; |
| 383 |
|
| 384 |
mr = waveInClose (wave->hwi); |
| 385 |
if (mr != MMSYSERR_NOERROR) {
|
| 386 |
winwave_logerr (mr, "waveInClose");
|
| 387 |
} |
| 388 |
wave->hwi = NULL;
|
| 389 |
} |
| 390 |
|
| 391 |
static void CALLBACK winwave_callback_in ( |
| 392 |
HWAVEIN *hwi, |
| 393 |
UINT msg, |
| 394 |
DWORD_PTR dwInstance, |
| 395 |
DWORD_PTR dwParam1, |
| 396 |
DWORD_PTR dwParam2 |
| 397 |
) |
| 398 |
{
|
| 399 |
WaveVoiceIn *wave = (WaveVoiceIn *) dwInstance; |
| 400 |
|
| 401 |
switch (msg) {
|
| 402 |
case WIM_DATA:
|
| 403 |
{
|
| 404 |
WAVEHDR *h = (WAVEHDR *) dwParam1; |
| 405 |
if (!h->dwUser) {
|
| 406 |
h->dwUser = 1;
|
| 407 |
EnterCriticalSection (&wave->crit_sect); |
| 408 |
{
|
| 409 |
wave->avail += conf.adc_samples; |
| 410 |
} |
| 411 |
LeaveCriticalSection (&wave->crit_sect); |
| 412 |
if (wave->hw.poll_mode) {
|
| 413 |
if (!SetEvent (wave->event)) {
|
| 414 |
dolog ("ADC SetEvent failed %lx\n", GetLastError ());
|
| 415 |
} |
| 416 |
} |
| 417 |
} |
| 418 |
} |
| 419 |
break;
|
| 420 |
|
| 421 |
case WIM_CLOSE:
|
| 422 |
case WIM_OPEN:
|
| 423 |
break;
|
| 424 |
|
| 425 |
default:
|
| 426 |
dolog ("unknown wave in callback msg %x\n", msg);
|
| 427 |
} |
| 428 |
} |
| 429 |
|
| 430 |
static void winwave_add_buffers (WaveVoiceIn *wave, int samples) |
| 431 |
{
|
| 432 |
int doreset;
|
| 433 |
|
| 434 |
doreset = wave->hw.poll_mode && (samples >= conf.adc_samples); |
| 435 |
if (doreset && !ResetEvent (wave->event)) {
|
| 436 |
dolog ("ADC ResetEvent failed %lx\n", GetLastError ());
|
| 437 |
} |
| 438 |
|
| 439 |
while (samples >= conf.adc_samples) {
|
| 440 |
MMRESULT mr; |
| 441 |
WAVEHDR *h = &wave->hdrs[wave->curhdr]; |
| 442 |
|
| 443 |
h->dwUser = 0;
|
| 444 |
mr = waveInAddBuffer (wave->hwi, h, sizeof (*h));
|
| 445 |
if (mr != MMSYSERR_NOERROR) {
|
| 446 |
winwave_logerr (mr, "waveInAddBuffer(%d)", wave->curhdr);
|
| 447 |
} |
| 448 |
wave->curhdr = (wave->curhdr + 1) % conf.adc_headers;
|
| 449 |
samples -= conf.adc_samples; |
| 450 |
} |
| 451 |
} |
| 452 |
|
| 453 |
static int winwave_init_in (HWVoiceIn *hw, struct audsettings *as) |
| 454 |
{
|
| 455 |
int i;
|
| 456 |
int err;
|
| 457 |
MMRESULT mr; |
| 458 |
WAVEFORMATEX wfx; |
| 459 |
WaveVoiceIn *wave; |
| 460 |
|
| 461 |
wave = (WaveVoiceIn *) hw; |
| 462 |
|
| 463 |
InitializeCriticalSection (&wave->crit_sect); |
| 464 |
|
| 465 |
err = waveformat_from_audio_settings (&wfx, as); |
| 466 |
if (err) {
|
| 467 |
goto err0;
|
| 468 |
} |
| 469 |
|
| 470 |
mr = waveInOpen (&wave->hwi, WAVE_MAPPER, &wfx, |
| 471 |
(DWORD_PTR) winwave_callback_in, |
| 472 |
(DWORD_PTR) wave, CALLBACK_FUNCTION); |
| 473 |
if (mr != MMSYSERR_NOERROR) {
|
| 474 |
winwave_logerr (mr, "waveInOpen");
|
| 475 |
goto err1;
|
| 476 |
} |
| 477 |
|
| 478 |
wave->hdrs = audio_calloc (AUDIO_FUNC, conf.dac_headers, |
| 479 |
sizeof (*wave->hdrs));
|
| 480 |
if (!wave->hdrs) {
|
| 481 |
goto err2;
|
| 482 |
} |
| 483 |
|
| 484 |
audio_pcm_init_info (&hw->info, as); |
| 485 |
hw->samples = conf.adc_samples * conf.adc_headers; |
| 486 |
wave->avail = 0;
|
| 487 |
|
| 488 |
wave->pcm_buf = audio_calloc (AUDIO_FUNC, conf.adc_samples, |
| 489 |
conf.adc_headers << hw->info.shift); |
| 490 |
if (!wave->pcm_buf) {
|
| 491 |
goto err3;
|
| 492 |
} |
| 493 |
|
| 494 |
for (i = 0; i < conf.adc_headers; ++i) { |
| 495 |
WAVEHDR *h = &wave->hdrs[i]; |
| 496 |
|
| 497 |
h->dwUser = 0;
|
| 498 |
h->dwBufferLength = conf.adc_samples << hw->info.shift; |
| 499 |
h->lpData = advance (wave->pcm_buf, i * h->dwBufferLength); |
| 500 |
h->dwFlags = 0;
|
| 501 |
|
| 502 |
mr = waveInPrepareHeader (wave->hwi, h, sizeof (*h));
|
| 503 |
if (mr != MMSYSERR_NOERROR) {
|
| 504 |
winwave_logerr (mr, "waveInPrepareHeader(%d)", i);
|
| 505 |
goto err4;
|
| 506 |
} |
| 507 |
} |
| 508 |
|
| 509 |
wave->paused = 1;
|
| 510 |
winwave_add_buffers (wave, hw->samples); |
| 511 |
return 0; |
| 512 |
|
| 513 |
err4:
|
| 514 |
g_free (wave->pcm_buf); |
| 515 |
err3:
|
| 516 |
g_free (wave->hdrs); |
| 517 |
err2:
|
| 518 |
winwave_anal_close_in (wave); |
| 519 |
err1:
|
| 520 |
err0:
|
| 521 |
return -1; |
| 522 |
} |
| 523 |
|
| 524 |
static void winwave_fini_in (HWVoiceIn *hw) |
| 525 |
{
|
| 526 |
int i;
|
| 527 |
MMRESULT mr; |
| 528 |
WaveVoiceIn *wave = (WaveVoiceIn *) hw; |
| 529 |
|
| 530 |
mr = waveInReset (wave->hwi); |
| 531 |
if (mr != MMSYSERR_NOERROR) {
|
| 532 |
winwave_logerr (mr, "waveInReset");
|
| 533 |
} |
| 534 |
|
| 535 |
for (i = 0; i < conf.adc_headers; ++i) { |
| 536 |
mr = waveInUnprepareHeader (wave->hwi, &wave->hdrs[i], |
| 537 |
sizeof (wave->hdrs[i]));
|
| 538 |
if (mr != MMSYSERR_NOERROR) {
|
| 539 |
winwave_logerr (mr, "waveInUnprepareHeader(%d)", i);
|
| 540 |
} |
| 541 |
} |
| 542 |
|
| 543 |
winwave_anal_close_in (wave); |
| 544 |
|
| 545 |
if (wave->event) {
|
| 546 |
qemu_del_wait_object (wave->event, winwave_poll, wave); |
| 547 |
if (!CloseHandle (wave->event)) {
|
| 548 |
dolog ("ADC CloseHandle failed %lx\n", GetLastError ());
|
| 549 |
} |
| 550 |
wave->event = NULL;
|
| 551 |
} |
| 552 |
|
| 553 |
g_free (wave->pcm_buf); |
| 554 |
wave->pcm_buf = NULL;
|
| 555 |
|
| 556 |
g_free (wave->hdrs); |
| 557 |
wave->hdrs = NULL;
|
| 558 |
} |
| 559 |
|
| 560 |
static int winwave_run_in (HWVoiceIn *hw) |
| 561 |
{
|
| 562 |
WaveVoiceIn *wave = (WaveVoiceIn *) hw; |
| 563 |
int live = audio_pcm_hw_get_live_in (hw);
|
| 564 |
int dead = hw->samples - live;
|
| 565 |
int decr, ret;
|
| 566 |
|
| 567 |
if (!dead) {
|
| 568 |
return 0; |
| 569 |
} |
| 570 |
|
| 571 |
EnterCriticalSection (&wave->crit_sect); |
| 572 |
{
|
| 573 |
decr = audio_MIN (dead, wave->avail); |
| 574 |
wave->avail -= decr; |
| 575 |
} |
| 576 |
LeaveCriticalSection (&wave->crit_sect); |
| 577 |
|
| 578 |
ret = decr; |
| 579 |
while (decr) {
|
| 580 |
int left = hw->samples - hw->wpos;
|
| 581 |
int conv = audio_MIN (left, decr);
|
| 582 |
hw->conv (hw->conv_buf + hw->wpos, |
| 583 |
advance (wave->pcm_buf, wave->rpos << hw->info.shift), |
| 584 |
conv); |
| 585 |
|
| 586 |
wave->rpos = (wave->rpos + conv) % hw->samples; |
| 587 |
hw->wpos = (hw->wpos + conv) % hw->samples; |
| 588 |
decr -= conv; |
| 589 |
} |
| 590 |
|
| 591 |
winwave_add_buffers (wave, ret); |
| 592 |
return ret;
|
| 593 |
} |
| 594 |
|
| 595 |
static int winwave_read (SWVoiceIn *sw, void *buf, int size) |
| 596 |
{
|
| 597 |
return audio_pcm_sw_read (sw, buf, size);
|
| 598 |
} |
| 599 |
|
| 600 |
static int winwave_ctl_in (HWVoiceIn *hw, int cmd, ...) |
| 601 |
{
|
| 602 |
MMRESULT mr; |
| 603 |
WaveVoiceIn *wave = (WaveVoiceIn *) hw; |
| 604 |
|
| 605 |
switch (cmd) {
|
| 606 |
case VOICE_ENABLE:
|
| 607 |
{
|
| 608 |
va_list ap; |
| 609 |
int poll_mode;
|
| 610 |
|
| 611 |
va_start (ap, cmd); |
| 612 |
poll_mode = va_arg (ap, int);
|
| 613 |
va_end (ap); |
| 614 |
|
| 615 |
if (poll_mode && !wave->event) {
|
| 616 |
wave->event = CreateEvent (NULL, TRUE, TRUE, NULL); |
| 617 |
if (!wave->event) {
|
| 618 |
dolog ("ADC CreateEvent: %lx, poll mode will be disabled\n",
|
| 619 |
GetLastError ()); |
| 620 |
} |
| 621 |
} |
| 622 |
|
| 623 |
if (wave->event) {
|
| 624 |
int ret;
|
| 625 |
|
| 626 |
ret = qemu_add_wait_object (wave->event, winwave_poll, wave); |
| 627 |
hw->poll_mode = (ret == 0);
|
| 628 |
} |
| 629 |
else {
|
| 630 |
hw->poll_mode = 0;
|
| 631 |
} |
| 632 |
if (wave->paused) {
|
| 633 |
mr = waveInStart (wave->hwi); |
| 634 |
if (mr != MMSYSERR_NOERROR) {
|
| 635 |
winwave_logerr (mr, "waveInStart");
|
| 636 |
} |
| 637 |
wave->paused = 0;
|
| 638 |
} |
| 639 |
} |
| 640 |
return 0; |
| 641 |
|
| 642 |
case VOICE_DISABLE:
|
| 643 |
if (!wave->paused) {
|
| 644 |
mr = waveInStop (wave->hwi); |
| 645 |
if (mr != MMSYSERR_NOERROR) {
|
| 646 |
winwave_logerr (mr, "waveInStop");
|
| 647 |
} |
| 648 |
else {
|
| 649 |
wave->paused = 1;
|
| 650 |
} |
| 651 |
} |
| 652 |
if (wave->event) {
|
| 653 |
qemu_del_wait_object (wave->event, winwave_poll, wave); |
| 654 |
} |
| 655 |
return 0; |
| 656 |
} |
| 657 |
return 0; |
| 658 |
} |
| 659 |
|
| 660 |
static void *winwave_audio_init (void) |
| 661 |
{
|
| 662 |
return &conf;
|
| 663 |
} |
| 664 |
|
| 665 |
static void winwave_audio_fini (void *opaque) |
| 666 |
{
|
| 667 |
(void) opaque;
|
| 668 |
} |
| 669 |
|
| 670 |
static struct audio_option winwave_options[] = { |
| 671 |
{
|
| 672 |
.name = "DAC_HEADERS",
|
| 673 |
.tag = AUD_OPT_INT, |
| 674 |
.valp = &conf.dac_headers, |
| 675 |
.descr = "DAC number of headers",
|
| 676 |
}, |
| 677 |
{
|
| 678 |
.name = "DAC_SAMPLES",
|
| 679 |
.tag = AUD_OPT_INT, |
| 680 |
.valp = &conf.dac_samples, |
| 681 |
.descr = "DAC number of samples per header",
|
| 682 |
}, |
| 683 |
{
|
| 684 |
.name = "ADC_HEADERS",
|
| 685 |
.tag = AUD_OPT_INT, |
| 686 |
.valp = &conf.adc_headers, |
| 687 |
.descr = "ADC number of headers",
|
| 688 |
}, |
| 689 |
{
|
| 690 |
.name = "ADC_SAMPLES",
|
| 691 |
.tag = AUD_OPT_INT, |
| 692 |
.valp = &conf.adc_samples, |
| 693 |
.descr = "ADC number of samples per header",
|
| 694 |
}, |
| 695 |
{ /* End of list */ }
|
| 696 |
}; |
| 697 |
|
| 698 |
static struct audio_pcm_ops winwave_pcm_ops = { |
| 699 |
.init_out = winwave_init_out, |
| 700 |
.fini_out = winwave_fini_out, |
| 701 |
.run_out = winwave_run_out, |
| 702 |
.write = winwave_write, |
| 703 |
.ctl_out = winwave_ctl_out, |
| 704 |
.init_in = winwave_init_in, |
| 705 |
.fini_in = winwave_fini_in, |
| 706 |
.run_in = winwave_run_in, |
| 707 |
.read = winwave_read, |
| 708 |
.ctl_in = winwave_ctl_in |
| 709 |
}; |
| 710 |
|
| 711 |
struct audio_driver winwave_audio_driver = {
|
| 712 |
.name = "winwave",
|
| 713 |
.descr = "Windows Waveform Audio http://msdn.microsoft.com",
|
| 714 |
.options = winwave_options, |
| 715 |
.init = winwave_audio_init, |
| 716 |
.fini = winwave_audio_fini, |
| 717 |
.pcm_ops = &winwave_pcm_ops, |
| 718 |
.can_be_default = 1,
|
| 719 |
.max_voices_out = INT_MAX, |
| 720 |
.max_voices_in = INT_MAX, |
| 721 |
.voice_size_out = sizeof (WaveVoiceOut),
|
| 722 |
.voice_size_in = sizeof (WaveVoiceIn)
|
| 723 |
}; |