* SEAL 1.07 by Carlos 'pel' Hasan was used as documentation
*/
+#include "qemu/osdep.h"
#include "qemu-common.h"
#include "audio.h"
#include <objbase.h>
#include <dsound.h>
+#include "audio_win_int.h"
+
/* #define DEBUG_DSOUND */
-static struct {
- int lock_retries;
- int restore_retries;
- int getstatus_retries;
- int set_primary;
+typedef struct {
int bufsize_in;
int bufsize_out;
- struct audsettings settings;
int latency_millis;
-} conf = {
- .lock_retries = 1,
- .restore_retries = 1,
- .getstatus_retries = 1,
- .set_primary = 0,
- .bufsize_in = 16384,
- .bufsize_out = 16384,
- .settings.freq = 44100,
- .settings.nchannels = 2,
- .settings.fmt = AUD_FMT_S16
- .latency_millis = 10
-};
+} DSoundConf;
typedef struct {
LPDIRECTSOUND dsound;
LPDIRECTSOUNDCAPTURE dsound_capture;
- LPDIRECTSOUNDBUFFER dsound_primary_buffer;
struct audsettings settings;
+ DSoundConf conf;
} dsound;
-static dsound glob_dsound;
-
typedef struct {
HWVoiceOut hw;
LPDIRECTSOUNDBUFFER dsound_buffer;
DWORD old_pos;
int first_time;
+ dsound *s;
#ifdef DEBUG_DSOUND
DWORD old_ppos;
DWORD played;
HWVoiceIn hw;
int first_time;
LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer;
+ dsound *s;
} DSoundVoiceIn;
static void dsound_log_hresult (HRESULT hr)
}
#endif
-static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb)
+static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb, dsound *s)
{
HRESULT hr;
- int i;
-
- for (i = 0; i < conf.restore_retries; ++i) {
- hr = IDirectSoundBuffer_Restore (dsb);
-
- switch (hr) {
- case DS_OK:
- return 0;
-
- case DSERR_BUFFERLOST:
- continue;
-
- default:
- dsound_logerr (hr, "Could not restore playback buffer\n");
- return -1;
- }
- }
-
- dolog ("%d attempts to restore playback buffer failed\n", i);
- return -1;
-}
-static int waveformat_from_audio_settings (WAVEFORMATEX *wfx,
- struct audsettings *as)
-{
- memset (wfx, 0, sizeof (*wfx));
-
- wfx->wFormatTag = WAVE_FORMAT_PCM;
- wfx->nChannels = as->nchannels;
- wfx->nSamplesPerSec = as->freq;
- wfx->nAvgBytesPerSec = as->freq << (as->nchannels == 2);
- wfx->nBlockAlign = 1 << (as->nchannels == 2);
- wfx->cbSize = 0;
-
- switch (as->fmt) {
- case AUD_FMT_S8:
- case AUD_FMT_U8:
- wfx->wBitsPerSample = 8;
- break;
-
- case AUD_FMT_S16:
- case AUD_FMT_U16:
- wfx->wBitsPerSample = 16;
- wfx->nAvgBytesPerSec <<= 1;
- wfx->nBlockAlign <<= 1;
- break;
+ hr = IDirectSoundBuffer_Restore (dsb);
- case AUD_FMT_S32:
- case AUD_FMT_U32:
- wfx->wBitsPerSample = 32;
- wfx->nAvgBytesPerSec <<= 2;
- wfx->nBlockAlign <<= 2;
- break;
-
- default:
- dolog ("Internal logic error: Bad audio format %d\n", as->freq);
+ if (hr != DS_OK) {
+ dsound_logerr (hr, "Could not restore playback buffer\n");
return -1;
}
-
- return 0;
-}
-
-static int waveformat_to_audio_settings (WAVEFORMATEX *wfx,
- struct audsettings *as)
-{
- if (wfx->wFormatTag != WAVE_FORMAT_PCM) {
- dolog ("Invalid wave format, tag is not PCM, but %d\n",
- wfx->wFormatTag);
- return -1;
- }
-
- if (!wfx->nSamplesPerSec) {
- dolog ("Invalid wave format, frequency is zero\n");
- return -1;
- }
- as->freq = wfx->nSamplesPerSec;
-
- switch (wfx->nChannels) {
- case 1:
- as->nchannels = 1;
- break;
-
- case 2:
- as->nchannels = 2;
- break;
-
- default:
- dolog (
- "Invalid wave format, number of channels is not 1 or 2, but %d\n",
- wfx->nChannels
- );
- return -1;
- }
-
- switch (wfx->wBitsPerSample) {
- case 8:
- as->fmt = AUD_FMT_U8;
- break;
-
- case 16:
- as->fmt = AUD_FMT_S16;
- break;
-
- case 32:
- as->fmt = AUD_FMT_S32;
- break;
-
- default:
- dolog ("Invalid wave format, bits per sample is not "
- "8, 16 or 32, but %d\n",
- wfx->wBitsPerSample);
- return -1;
- }
-
return 0;
}
#include "dsound_template.h"
#undef DSBTYPE_IN
-static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp)
+static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp,
+ dsound *s)
{
HRESULT hr;
- int i;
- for (i = 0; i < conf.getstatus_retries; ++i) {
- hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
- if (FAILED (hr)) {
- dsound_logerr (hr, "Could not get playback buffer status\n");
- return -1;
- }
+ hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
+ if (FAILED (hr)) {
+ dsound_logerr (hr, "Could not get playback buffer status\n");
+ return -1;
+ }
- if (*statusp & DSERR_BUFFERLOST) {
- if (dsound_restore_out (dsb)) {
- return -1;
- }
- continue;
- }
- break;
+ if (*statusp & DSERR_BUFFERLOST) {
+ dsound_restore_out(dsb, s);
+ return -1;
}
return 0;
hw->rpos = pos % hw->samples;
}
-static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb)
+static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
+ dsound *s)
{
int err;
LPVOID p1, p2;
hw->samples << hw->info.shift,
&p1, &p2,
&blen1, &blen2,
- 1
+ 1,
+ s
);
if (err) {
return;
dsound_unlock_out (dsb, p1, p2, blen1, blen2);
}
-static void dsound_close (dsound *s)
-{
- HRESULT hr;
-
- if (s->dsound_primary_buffer) {
- hr = IDirectSoundBuffer_Release (s->dsound_primary_buffer);
- if (FAILED (hr)) {
- dsound_logerr (hr, "Could not release primary buffer\n");
- }
- s->dsound_primary_buffer = NULL;
- }
-}
-
static int dsound_open (dsound *s)
{
- int err;
HRESULT hr;
- WAVEFORMATEX wfx;
- DSBUFFERDESC dsbd;
HWND hwnd;
hwnd = GetForegroundWindow ();
return -1;
}
- if (!conf.set_primary) {
- return 0;
- }
-
- err = waveformat_from_audio_settings (&wfx, &conf.settings);
- if (err) {
- return -1;
- }
-
- memset (&dsbd, 0, sizeof (dsbd));
- dsbd.dwSize = sizeof (dsbd);
- dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER;
- dsbd.dwBufferBytes = 0;
- dsbd.lpwfxFormat = NULL;
-
- hr = IDirectSound_CreateSoundBuffer (
- s->dsound,
- &dsbd,
- &s->dsound_primary_buffer,
- NULL
- );
- if (FAILED (hr)) {
- dsound_logerr (hr, "Could not create primary playback buffer\n");
- return -1;
- }
-
- hr = IDirectSoundBuffer_SetFormat (s->dsound_primary_buffer, &wfx);
- if (FAILED (hr)) {
- dsound_logerr (hr, "Could not set primary playback buffer format\n");
- }
-
- hr = IDirectSoundBuffer_GetFormat (
- s->dsound_primary_buffer,
- &wfx,
- sizeof (wfx),
- NULL
- );
- if (FAILED (hr)) {
- dsound_logerr (hr, "Could not get primary playback buffer format\n");
- goto fail0;
- }
-
-#ifdef DEBUG_DSOUND
- dolog ("Primary\n");
- print_wave_format (&wfx);
-#endif
-
- err = waveformat_to_audio_settings (&wfx, &s->settings);
- if (err) {
- goto fail0;
- }
-
return 0;
-
- fail0:
- dsound_close (s);
- return -1;
}
static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)
DWORD status;
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
+ dsound *s = ds->s;
if (!dsb) {
dolog ("Attempt to control voice without a buffer\n");
switch (cmd) {
case VOICE_ENABLE:
- if (dsound_get_status_out (dsb, &status)) {
+ if (dsound_get_status_out (dsb, &status, s)) {
return -1;
}
return 0;
}
- dsound_clear_sample (hw, dsb);
+ dsound_clear_sample (hw, dsb, s);
hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING);
if (FAILED (hr)) {
break;
case VOICE_DISABLE:
- if (dsound_get_status_out (dsb, &status)) {
+ if (dsound_get_status_out (dsb, &status, s)) {
return -1;
}
return audio_pcm_sw_write (sw, buf, len);
}
-static int dsound_run_out (HWVoiceOut *hw)
+static int dsound_run_out (HWVoiceOut *hw, int live)
{
int err;
HRESULT hr;
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
- int live, len, hwshift;
+ int len, hwshift;
DWORD blen1, blen2;
DWORD len1, len2;
DWORD decr;
DWORD wpos, ppos, old_pos;
LPVOID p1, p2;
int bufsize;
+ dsound *s = ds->s;
+ DSoundConf *conf = &s->conf;
if (!dsb) {
dolog ("Attempt to run empty with playback buffer\n");
hwshift = hw->info.shift;
bufsize = hw->samples << hwshift;
- live = audio_pcm_hw_get_live_out (hw);
-
hr = IDirectSoundBuffer_GetCurrentPosition (
dsb,
&ppos,
len = live << hwshift;
if (ds->first_time) {
- if (conf.latency_millis) {
+ if (conf->latency_millis) {
DWORD cur_blat;
cur_blat = audio_ring_dist (wpos, ppos, bufsize);
ds->first_time = 0;
old_pos = wpos;
old_pos +=
- millis_to_bytes (&hw->info, conf.latency_millis) - cur_blat;
+ millis_to_bytes (&hw->info, conf->latency_millis) - cur_blat;
old_pos %= bufsize;
old_pos &= ~hw->info.align;
}
}
}
- if (audio_bug (AUDIO_FUNC, len < 0 || len > bufsize)) {
+ if (audio_bug(__func__, len < 0 || len > bufsize)) {
dolog ("len=%d bufsize=%d old_pos=%ld ppos=%ld\n",
len, bufsize, old_pos, ppos);
return 0;
len,
&p1, &p2,
&blen1, &blen2,
- 0
+ 0,
+ s
);
if (err) {
return 0;
DWORD cpos, rpos;
LPVOID p1, p2;
int hwshift;
+ dsound *s = ds->s;
if (!dscb) {
dolog ("Attempt to run without capture buffer\n");
&p2,
&blen1,
&blen2,
- 0
+ 0,
+ s
);
if (err) {
return 0;
decr = len1 + len2;
if (p1 && len1) {
- hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume);
+ hw->conv (hw->conv_buf + hw->wpos, p1, len1);
}
if (p2 && len2) {
- hw->conv (hw->conv_buf, p2, len2, &nominal_volume);
+ hw->conv (hw->conv_buf, p2, len2);
}
dsound_unlock_in (dscb, p1, p2, blen1, blen2);
return decr;
}
+static DSoundConf glob_conf = {
+ .bufsize_in = 16384,
+ .bufsize_out = 16384,
+ .latency_millis = 10
+};
+
static void dsound_audio_fini (void *opaque)
{
HRESULT hr;
dsound *s = opaque;
if (!s->dsound) {
+ g_free(s);
return;
}
s->dsound = NULL;
if (!s->dsound_capture) {
+ g_free(s);
return;
}
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
}
s->dsound_capture = NULL;
+
+ g_free(s);
}
static void *dsound_audio_init (void)
{
int err;
HRESULT hr;
- dsound *s = &glob_dsound;
+ dsound *s = g_malloc0(sizeof(dsound));
+ s->conf = glob_conf;
hr = CoInitialize (NULL);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not initialize COM\n");
+ g_free(s);
return NULL;
}
);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not create DirectSound instance\n");
+ g_free(s);
return NULL;
}
if (FAILED (hr)) {
dsound_logerr (hr, "Could not release DirectSound\n");
}
- s->dsound = NULL;
+ g_free(s);
return NULL;
}
}
static struct audio_option dsound_options[] = {
- {
- .name = "LOCK_RETRIES",
- .tag = AUD_OPT_INT,
- .valp = &conf.lock_retries,
- .descr = "Number of times to attempt locking the buffer"
- },
- {
- .name = "RESTOURE_RETRIES",
- .tag = AUD_OPT_INT,
- .valp = &conf.restore_retries,
- .descr = "Number of times to attempt restoring the buffer"
- },
- {
- .name = "GETSTATUS_RETRIES",
- .tag = AUD_OPT_INT,
- .valp = &conf.getstatus_retries,
- .descr = "Number of times to attempt getting status of the buffer"
- },
- {
- .name = "SET_PRIMARY",
- .tag = AUD_OPT_BOOL,
- .valp = &conf.set_primary
- .descr = "Set the parameters of primary buffer"
- },
{
.name = "LATENCY_MILLIS",
.tag = AUD_OPT_INT,
- .valp = &conf.latency_millis,
+ .valp = &glob_conf.latency_millis,
.descr = "(undocumented)"
},
- {
- .name = "PRIMARY_FREQ",
- .tag = AUD_OPT_INT,
- .valp = &conf.settings.freq,
- .descr = "Primary buffer frequency"
- },
- {
- .name = "PRIMARY_CHANNELS",
- .tag = AUD_OPT_INT,
- .valp = &conf.settings.nchannels,
- .descr = "Primary buffer number of channels (1 - mono, 2 - stereo)"
- },
- {
- .name = "PRIMARY_FMT",
- .tag = AUD_OPT_FMT,
- .valp = &conf.settings.fmt,
- .descr = "Primary buffer format"
- },
{
.name = "BUFSIZE_OUT",
.tag = AUD_OPT_INT,
- .valp = &conf.bufsize_out,
+ .valp = &glob_conf.bufsize_out,
.descr = "(undocumented)"
},
{
.name = "BUFSIZE_IN",
.tag = AUD_OPT_INT,
- .valp = &conf.bufsize_in,
+ .valp = &glob_conf.bufsize_in,
.descr = "(undocumented)"
},
{ /* End of list */ }
.ctl_in = dsound_ctl_in
};
-struct audio_driver dsound_audio_driver = {
+static struct audio_driver dsound_audio_driver = {
.name = "dsound",
.descr = "DirectSound http://wikipedia.org/wiki/DirectSound",
.options = dsound_options,
.max_voices_out = INT_MAX,
.max_voices_in = 1,
.voice_size_out = sizeof (DSoundVoiceOut),
- .oice_size_in = sizeof (DSoundVoiceIn)
+ .voice_size_in = sizeof (DSoundVoiceIn)
};
+
+static void register_audio_dsound(void)
+{
+ audio_driver_register(&dsound_audio_driver);
+}
+type_init(register_audio_dsound);
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