*/
#include "qemu/osdep.h"
-#include "qemu-common.h"
#include "audio.h"
#define AUDIO_CAP "dsound"
#include "audio_int.h"
+#include "qemu/host-utils.h"
+#include "qemu/module.h"
#include <windows.h>
#include <mmsystem.h>
/* #define DEBUG_DSOUND */
-typedef struct {
- int bufsize_in;
- int bufsize_out;
- int latency_millis;
-} DSoundConf;
-
typedef struct {
LPDIRECTSOUND dsound;
LPDIRECTSOUNDCAPTURE dsound_capture;
struct audsettings settings;
- DSoundConf conf;
+ Audiodev *dev;
} dsound;
typedef struct {
HWVoiceOut hw;
LPDIRECTSOUNDBUFFER dsound_buffer;
- DWORD old_pos;
- int first_time;
+ bool first_time;
dsound *s;
-#ifdef DEBUG_DSOUND
- DWORD old_ppos;
- DWORD played;
- DWORD mixed;
-#endif
} DSoundVoiceOut;
typedef struct {
HWVoiceIn hw;
- int first_time;
LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer;
+ bool first_time;
dsound *s;
} DSoundVoiceIn;
#endif
#ifdef DSERR_ALLOCATED
case DSERR_ALLOCATED:
- str = "The request failed because resources, such as a priority level, were already in use by another caller";
+ str = "The request failed because resources, "
+ "such as a priority level, were already in use "
+ "by another caller";
break;
#endif
#ifdef DSERR_ALREADYINITIALIZED
#endif
#ifdef DSERR_BADSENDBUFFERGUID
case DSERR_BADSENDBUFFERGUID:
- str = "The GUID specified in an audiopath file does not match a valid mix-in buffer";
+ str = "The GUID specified in an audiopath file "
+ "does not match a valid mix-in buffer";
break;
#endif
#ifdef DSERR_BUFFERLOST
#endif
#ifdef DSERR_BUFFERTOOSMALL
case DSERR_BUFFERTOOSMALL:
- str = "The buffer size is not great enough to enable effects processing";
+ str = "The buffer size is not great enough to "
+ "enable effects processing";
break;
#endif
#ifdef DSERR_CONTROLUNAVAIL
case DSERR_CONTROLUNAVAIL:
- str = "The buffer control (volume, pan, and so on) requested by the caller is not available. Controls must be specified when the buffer is created, using the dwFlags member of DSBUFFERDESC";
+ str = "The buffer control (volume, pan, and so on) "
+ "requested by the caller is not available. "
+ "Controls must be specified when the buffer is created, "
+ "using the dwFlags member of DSBUFFERDESC";
break;
#endif
#ifdef DSERR_DS8_REQUIRED
case DSERR_DS8_REQUIRED:
- str = "A DirectSound object of class CLSID_DirectSound8 or later is required for the requested functionality. For more information, see IDirectSound8 Interface";
+ str = "A DirectSound object of class CLSID_DirectSound8 or later "
+ "is required for the requested functionality. "
+ "For more information, see IDirectSound8 Interface";
break;
#endif
#ifdef DSERR_FXUNAVAILABLE
case DSERR_FXUNAVAILABLE:
- str = "The effects requested could not be found on the system, or they are in the wrong order or in the wrong location; for example, an effect expected in hardware was found in software";
+ str = "The effects requested could not be found on the system, "
+ "or they are in the wrong order or in the wrong location; "
+ "for example, an effect expected in hardware "
+ "was found in software";
break;
#endif
#ifdef DSERR_GENERIC
- case DSERR_GENERIC :
+ case DSERR_GENERIC:
str = "An undetermined error occurred inside the DirectSound subsystem";
break;
#endif
#endif
#ifdef DSERR_NODRIVER
case DSERR_NODRIVER:
- str = "No sound driver is available for use, or the given GUID is not a valid DirectSound device ID";
+ str = "No sound driver is available for use, "
+ "or the given GUID is not a valid DirectSound device ID";
break;
#endif
#ifdef DSERR_NOINTERFACE
#endif
#ifdef DSERR_OTHERAPPHASPRIO
case DSERR_OTHERAPPHASPRIO:
- str = "Another application has a higher priority level, preventing this call from succeeding";
+ str = "Another application has a higher priority level, "
+ "preventing this call from succeeding";
break;
#endif
#ifdef DSERR_OUTOFMEMORY
case DSERR_OUTOFMEMORY:
- str = "The DirectSound subsystem could not allocate sufficient memory to complete the caller's request";
+ str = "The DirectSound subsystem could not allocate "
+ "sufficient memory to complete the caller's request";
break;
#endif
#ifdef DSERR_PRIOLEVELNEEDED
#endif
#ifdef DSERR_UNINITIALIZED
case DSERR_UNINITIALIZED:
- str = "The Initialize method has not been called or has not been called successfully before other methods were called";
+ str = "The Initialize method has not been called "
+ "or has not been called successfully "
+ "before other methods were called";
break;
#endif
#ifdef DSERR_UNSUPPORTED
break;
#endif
default:
- AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT %#lx)\n", hr);
+ AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT 0x%lx)\n", hr);
return;
}
AUD_log (AUDIO_CAP, "Reason: %s\n", str);
}
-static void GCC_FMT_ATTR (2, 3) dsound_logerr (
+static void G_GNUC_PRINTF (2, 3) dsound_logerr (
HRESULT hr,
const char *fmt,
...
dsound_log_hresult (hr);
}
-static void GCC_FMT_ATTR (3, 4) dsound_logerr2 (
+static void G_GNUC_PRINTF (3, 4) dsound_logerr2 (
HRESULT hr,
const char *typ,
const char *fmt,
dsound_log_hresult (hr);
}
-static DWORD millis_to_bytes (struct audio_pcm_info *info, DWORD millis)
-{
- return (millis * info->bytes_per_second) / 1000;
-}
-
#ifdef DEBUG_DSOUND
static void print_wave_format (WAVEFORMATEX *wfx)
{
return -1;
}
- if (*statusp & DSERR_BUFFERLOST) {
+ if (*statusp & DSBSTATUS_BUFFERLOST) {
dsound_restore_out(dsb, s);
return -1;
}
return 0;
}
-static void dsound_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len)
-{
- int src_len1 = dst_len;
- int src_len2 = 0;
- int pos = hw->rpos + dst_len;
- struct st_sample *src1 = hw->mix_buf + hw->rpos;
- struct st_sample *src2 = NULL;
-
- if (pos > hw->samples) {
- src_len1 = hw->samples - hw->rpos;
- src2 = hw->mix_buf;
- src_len2 = dst_len - src_len1;
- pos = src_len2;
- }
-
- if (src_len1) {
- hw->clip (dst, src1, src_len1);
- }
-
- if (src_len2) {
- dst = advance (dst, src_len1 << hw->info.shift);
- hw->clip (dst, src2, src_len2);
- }
-
- hw->rpos = pos % hw->samples;
-}
-
static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
dsound *s)
{
dsb,
&hw->info,
0,
- hw->samples << hw->info.shift,
+ hw->size_emul,
&p1, &p2,
&blen1, &blen2,
1,
return;
}
- len1 = blen1 >> hw->info.shift;
- len2 = blen2 >> hw->info.shift;
+ len1 = blen1 / hw->info.bytes_per_frame;
+ len2 = blen2 / hw->info.bytes_per_frame;
#ifdef DEBUG_DSOUND
dolog ("clear %p,%ld,%ld %p,%ld,%ld\n",
dsound_unlock_out (dsb, p1, p2, blen1, blen2);
}
-static int dsound_open (dsound *s)
+static int dsound_set_cooperative_level(dsound *s)
{
HRESULT hr;
HWND hwnd;
- hwnd = GetForegroundWindow ();
+ hwnd = GetDesktopWindow();
hr = IDirectSound_SetCooperativeLevel (
s->dsound,
hwnd,
return 0;
}
-static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)
+static void dsound_enable_out(HWVoiceOut *hw, bool enable)
{
HRESULT hr;
DWORD status;
if (!dsb) {
dolog ("Attempt to control voice without a buffer\n");
- return 0;
+ return;
}
- switch (cmd) {
- case VOICE_ENABLE:
+ if (enable) {
if (dsound_get_status_out (dsb, &status, s)) {
- return -1;
+ return;
}
if (status & DSBSTATUS_PLAYING) {
dolog ("warning: Voice is already playing\n");
- return 0;
+ return;
}
dsound_clear_sample (hw, dsb, s);
hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not start playing buffer\n");
- return -1;
+ return;
}
- break;
-
- case VOICE_DISABLE:
+ } else {
if (dsound_get_status_out (dsb, &status, s)) {
- return -1;
+ return;
}
if (status & DSBSTATUS_PLAYING) {
hr = IDirectSoundBuffer_Stop (dsb);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not stop playing buffer\n");
- return -1;
+ return;
}
- }
- else {
+ } else {
dolog ("warning: Voice is not playing\n");
}
- break;
}
- return 0;
}
-static int dsound_write (SWVoiceOut *sw, void *buf, int len)
+static size_t dsound_buffer_get_free(HWVoiceOut *hw)
{
- return audio_pcm_sw_write (sw, buf, len);
-}
-
-static int dsound_run_out (HWVoiceOut *hw, int live)
-{
- int err;
- HRESULT hr;
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
- 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;
+ HRESULT hr;
+ DWORD ppos, wpos;
- if (!dsb) {
- dolog ("Attempt to run empty with playback buffer\n");
+ hr = IDirectSoundBuffer_GetCurrentPosition(
+ dsb, &ppos, ds->first_time ? &wpos : NULL);
+ if (FAILED(hr)) {
+ dsound_logerr(hr, "Could not get playback buffer position\n");
return 0;
}
- hwshift = hw->info.shift;
- bufsize = hw->samples << hwshift;
-
- hr = IDirectSoundBuffer_GetCurrentPosition (
- dsb,
- &ppos,
- ds->first_time ? &wpos : NULL
- );
- if (FAILED (hr)) {
- dsound_logerr (hr, "Could not get playback buffer position\n");
- return 0;
- }
-
- len = live << hwshift;
-
if (ds->first_time) {
- 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;
- old_pos %= bufsize;
- old_pos &= ~hw->info.align;
- }
- else {
- old_pos = wpos;
- }
-#ifdef DEBUG_DSOUND
- ds->played = 0;
- ds->mixed = 0;
-#endif
- }
- else {
- if (ds->old_pos == ppos) {
-#ifdef DEBUG_DSOUND
- dolog ("old_pos == ppos\n");
-#endif
- return 0;
- }
-
-#ifdef DEBUG_DSOUND
- ds->played += audio_ring_dist (ds->old_pos, ppos, hw->bufsize);
-#endif
- old_pos = ds->old_pos;
+ hw->pos_emul = wpos;
+ ds->first_time = false;
}
- if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
- len = ppos - old_pos;
- }
- else {
- if ((old_pos > ppos) && ((old_pos + len) > (ppos + bufsize))) {
- len = bufsize - old_pos + ppos;
- }
- }
+ return audio_ring_dist(ppos, hw->pos_emul, hw->size_emul);
+}
- 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;
- }
+static void *dsound_get_buffer_out(HWVoiceOut *hw, size_t *size)
+{
+ DSoundVoiceOut *ds = (DSoundVoiceOut *)hw;
+ LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
+ DWORD act_size;
+ size_t req_size;
+ int err;
+ void *ret;
- len &= ~hw->info.align;
- if (!len) {
- return 0;
- }
+ req_size = MIN(*size, hw->size_emul - hw->pos_emul);
+ assert(req_size > 0);
-#ifdef DEBUG_DSOUND
- ds->old_ppos = ppos;
-#endif
- err = dsound_lock_out (
- dsb,
- &hw->info,
- old_pos,
- len,
- &p1, &p2,
- &blen1, &blen2,
- 0,
- s
- );
+ err = dsound_lock_out(dsb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
+ &act_size, NULL, false, ds->s);
if (err) {
- return 0;
+ dolog("Failed to lock buffer\n");
+ *size = 0;
+ return NULL;
}
- len1 = blen1 >> hwshift;
- len2 = blen2 >> hwshift;
- decr = len1 + len2;
+ *size = act_size;
+ return ret;
+}
- if (p1 && len1) {
- dsound_write_sample (hw, p1, len1);
- }
+static size_t dsound_put_buffer_out(HWVoiceOut *hw, void *buf, size_t len)
+{
+ DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
+ LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
+ int err = dsound_unlock_out(dsb, buf, NULL, len, 0);
- if (p2 && len2) {
- dsound_write_sample (hw, p2, len2);
+ if (err) {
+ dolog("Failed to unlock buffer!!\n");
+ return 0;
}
+ hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
- dsound_unlock_out (dsb, p1, p2, blen1, blen2);
- ds->old_pos = (old_pos + (decr << hwshift)) % bufsize;
-
-#ifdef DEBUG_DSOUND
- ds->mixed += decr << hwshift;
-
- dolog ("played %lu mixed %lu diff %ld sec %f\n",
- ds->played,
- ds->mixed,
- ds->mixed - ds->played,
- abs (ds->mixed - ds->played) / (double) hw->info.bytes_per_second);
-#endif
- return decr;
+ return len;
}
-static int dsound_ctl_in (HWVoiceIn *hw, int cmd, ...)
+static void dsound_enable_in(HWVoiceIn *hw, bool enable)
{
HRESULT hr;
DWORD status;
if (!dscb) {
dolog ("Attempt to control capture voice without a buffer\n");
- return -1;
+ return;
}
- switch (cmd) {
- case VOICE_ENABLE:
+ if (enable) {
if (dsound_get_status_in (dscb, &status)) {
- return -1;
+ return;
}
if (status & DSCBSTATUS_CAPTURING) {
dolog ("warning: Voice is already capturing\n");
- return 0;
+ return;
}
/* clear ?? */
hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not start capturing\n");
- return -1;
+ return;
}
- break;
-
- case VOICE_DISABLE:
+ } else {
if (dsound_get_status_in (dscb, &status)) {
- return -1;
+ return;
}
if (status & DSCBSTATUS_CAPTURING) {
hr = IDirectSoundCaptureBuffer_Stop (dscb);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not stop capturing\n");
- return -1;
+ return;
}
- }
- else {
+ } else {
dolog ("warning: Voice is not capturing\n");
}
- break;
}
- return 0;
}
-static int dsound_read (SWVoiceIn *sw, void *buf, int len)
+static void *dsound_get_buffer_in(HWVoiceIn *hw, size_t *size)
{
- return audio_pcm_sw_read (sw, buf, len);
-}
-
-static int dsound_run_in (HWVoiceIn *hw)
-{
- int err;
- HRESULT hr;
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
- int live, len, dead;
- DWORD blen1, blen2;
- DWORD len1, len2;
- DWORD decr;
- DWORD cpos, rpos;
- LPVOID p1, p2;
- int hwshift;
- dsound *s = ds->s;
-
- if (!dscb) {
- dolog ("Attempt to run without capture buffer\n");
- return 0;
- }
-
- hwshift = hw->info.shift;
-
- live = audio_pcm_hw_get_live_in (hw);
- dead = hw->samples - live;
- if (!dead) {
- return 0;
- }
+ HRESULT hr;
+ DWORD rpos, act_size;
+ size_t req_size;
+ int err;
+ void *ret;
- hr = IDirectSoundCaptureBuffer_GetCurrentPosition (
- dscb,
- &cpos,
- ds->first_time ? &rpos : NULL
- );
- if (FAILED (hr)) {
- dsound_logerr (hr, "Could not get capture buffer position\n");
- return 0;
+ hr = IDirectSoundCaptureBuffer_GetCurrentPosition(dscb, NULL, &rpos);
+ if (FAILED(hr)) {
+ dsound_logerr(hr, "Could not get capture buffer position\n");
+ *size = 0;
+ return NULL;
}
if (ds->first_time) {
- ds->first_time = 0;
- if (rpos & hw->info.align) {
- ldebug ("warning: Misaligned capture read position %ld(%d)\n",
- rpos, hw->info.align);
- }
- hw->wpos = rpos >> hwshift;
+ hw->pos_emul = rpos;
+ ds->first_time = false;
}
- if (cpos & hw->info.align) {
- ldebug ("warning: Misaligned capture position %ld(%d)\n",
- cpos, hw->info.align);
- }
- cpos >>= hwshift;
+ req_size = audio_ring_dist(rpos, hw->pos_emul, hw->size_emul);
+ req_size = MIN(*size, MIN(req_size, hw->size_emul - hw->pos_emul));
- len = audio_ring_dist (cpos, hw->wpos, hw->samples);
- if (!len) {
- return 0;
+ if (req_size == 0) {
+ *size = 0;
+ return NULL;
}
- len = audio_MIN (len, dead);
- err = dsound_lock_in (
- dscb,
- &hw->info,
- hw->wpos << hwshift,
- len << hwshift,
- &p1,
- &p2,
- &blen1,
- &blen2,
- 0,
- s
- );
+ err = dsound_lock_in(dscb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
+ &act_size, NULL, false, ds->s);
if (err) {
- return 0;
+ dolog("Failed to lock buffer\n");
+ *size = 0;
+ return NULL;
}
- len1 = blen1 >> hwshift;
- len2 = blen2 >> hwshift;
- decr = len1 + len2;
+ *size = act_size;
+ return ret;
+}
- if (p1 && len1) {
- hw->conv (hw->conv_buf + hw->wpos, p1, len1);
- }
+static void dsound_put_buffer_in(HWVoiceIn *hw, void *buf, size_t len)
+{
+ DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
+ LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
+ int err = dsound_unlock_in(dscb, buf, NULL, len, 0);
- if (p2 && len2) {
- hw->conv (hw->conv_buf, p2, len2);
+ if (err) {
+ dolog("Failed to unlock buffer!!\n");
+ return;
}
-
- dsound_unlock_in (dscb, p1, p2, blen1, blen2);
- hw->wpos = (hw->wpos + decr) % hw->samples;
- return decr;
+ hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
}
-static DSoundConf glob_conf = {
- .bufsize_in = 16384,
- .bufsize_out = 16384,
- .latency_millis = 10
-};
-
static void dsound_audio_fini (void *opaque)
{
HRESULT hr;
g_free(s);
}
-static void *dsound_audio_init(Audiodev *dev)
+static void *dsound_audio_init(Audiodev *dev, Error **errp)
{
int err;
HRESULT hr;
- dsound *s = g_malloc0(sizeof(dsound));
+ dsound *s = g_new0(dsound, 1);
+ AudiodevDsoundOptions *dso;
+
+ assert(dev->driver == AUDIODEV_DRIVER_DSOUND);
+ s->dev = dev;
+ dso = &dev->u.dsound;
+
+ if (!dso->has_latency) {
+ dso->has_latency = true;
+ dso->latency = 10000; /* 10 ms */
+ }
- s->conf = glob_conf;
hr = CoInitialize (NULL);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not initialize COM\n");
);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not create DirectSoundCapture instance\n");
- }
- else {
+ } else {
hr = IDirectSoundCapture_Initialize (s->dsound_capture, NULL);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not initialize DirectSoundCapture\n");
}
}
- err = dsound_open (s);
+ err = dsound_set_cooperative_level(s);
if (err) {
dsound_audio_fini (s);
return NULL;
return s;
}
-static struct audio_option dsound_options[] = {
- {
- .name = "LATENCY_MILLIS",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.latency_millis,
- .descr = "(undocumented)"
- },
- {
- .name = "BUFSIZE_OUT",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.bufsize_out,
- .descr = "(undocumented)"
- },
- {
- .name = "BUFSIZE_IN",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.bufsize_in,
- .descr = "(undocumented)"
- },
- { /* End of list */ }
-};
-
static struct audio_pcm_ops dsound_pcm_ops = {
.init_out = dsound_init_out,
.fini_out = dsound_fini_out,
- .run_out = dsound_run_out,
- .write = dsound_write,
- .ctl_out = dsound_ctl_out,
+ .write = audio_generic_write,
+ .buffer_get_free = dsound_buffer_get_free,
+ .get_buffer_out = dsound_get_buffer_out,
+ .put_buffer_out = dsound_put_buffer_out,
+ .enable_out = dsound_enable_out,
.init_in = dsound_init_in,
.fini_in = dsound_fini_in,
- .run_in = dsound_run_in,
- .read = dsound_read,
- .ctl_in = dsound_ctl_in
+ .read = audio_generic_read,
+ .get_buffer_in = dsound_get_buffer_in,
+ .put_buffer_in = dsound_put_buffer_in,
+ .enable_in = dsound_enable_in,
};
static struct audio_driver dsound_audio_driver = {
.name = "dsound",
.descr = "DirectSound http://wikipedia.org/wiki/DirectSound",
- .options = dsound_options,
.init = dsound_audio_init,
.fini = dsound_audio_fini,
.pcm_ops = &dsound_pcm_ops,
- .can_be_default = 1,
.max_voices_out = INT_MAX,
.max_voices_in = 1,
.voice_size_out = sizeof (DSoundVoiceOut),