[qemu.git] / audio / dsoundaudio.c

/*
 * QEMU DirectSound audio driver
 *
 * Copyright (c) 2005 Vassili Karpov (malc)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

/*
 * SEAL 1.07 by Carlos 'pel' Hasan was used as documentation
 */

#include "qemu/osdep.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>
#include <objbase.h>
#include <dsound.h>

#include "audio_win_int.h"

/* #define DEBUG_DSOUND */

typedef struct {
    LPDIRECTSOUND dsound;
    LPDIRECTSOUNDCAPTURE dsound_capture;
    struct audsettings settings;
    Audiodev *dev;
} dsound;

typedef struct {
    HWVoiceOut hw;
    LPDIRECTSOUNDBUFFER dsound_buffer;
    bool first_time;
    dsound *s;
} DSoundVoiceOut;

typedef struct {
    HWVoiceIn hw;
    LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer;
    bool first_time;
    dsound *s;
} DSoundVoiceIn;

static void dsound_log_hresult (HRESULT hr)
{
    const char *str = "BUG";

    switch (hr) {
    case DS_OK:
        str = "The method succeeded";
        break;
#ifdef DS_NO_VIRTUALIZATION
    case DS_NO_VIRTUALIZATION:
        str = "The buffer was created, but another 3D algorithm was substituted";
        break;
#endif
#ifdef DS_INCOMPLETE
    case DS_INCOMPLETE:
        str = "The method succeeded, but not all the optional effects were obtained";
        break;
#endif
#ifdef DSERR_ACCESSDENIED
    case DSERR_ACCESSDENIED:
        str = "The request failed because access was denied";
        break;
#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";
        break;
#endif
#ifdef DSERR_ALREADYINITIALIZED
    case DSERR_ALREADYINITIALIZED:
        str = "The object is already initialized";
        break;
#endif
#ifdef DSERR_BADFORMAT
    case DSERR_BADFORMAT:
        str = "The specified wave format is not supported";
        break;
#endif
#ifdef DSERR_BADSENDBUFFERGUID
    case DSERR_BADSENDBUFFERGUID:
        str = "The GUID specified in an audiopath file does not match a valid mix-in buffer";
        break;
#endif
#ifdef DSERR_BUFFERLOST
    case DSERR_BUFFERLOST:
        str = "The buffer memory has been lost and must be restored";
        break;
#endif
#ifdef DSERR_BUFFERTOOSMALL
    case DSERR_BUFFERTOOSMALL:
        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";
        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";
        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";
        break;
#endif
#ifdef DSERR_GENERIC
    case DSERR_GENERIC :
        str = "An undetermined error occurred inside the DirectSound subsystem";
        break;
#endif
#ifdef DSERR_INVALIDCALL
    case DSERR_INVALIDCALL:
        str = "This function is not valid for the current state of this object";
        break;
#endif
#ifdef DSERR_INVALIDPARAM
    case DSERR_INVALIDPARAM:
        str = "An invalid parameter was passed to the returning function";
        break;
#endif
#ifdef DSERR_NOAGGREGATION
    case DSERR_NOAGGREGATION:
        str = "The object does not support aggregation";
        break;
#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";
        break;
#endif
#ifdef DSERR_NOINTERFACE
    case DSERR_NOINTERFACE:
        str = "The requested COM interface is not available";
        break;
#endif
#ifdef DSERR_OBJECTNOTFOUND
    case DSERR_OBJECTNOTFOUND:
        str = "The requested object was not found";
        break;
#endif
#ifdef DSERR_OTHERAPPHASPRIO
    case DSERR_OTHERAPPHASPRIO:
        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";
        break;
#endif
#ifdef DSERR_PRIOLEVELNEEDED
    case DSERR_PRIOLEVELNEEDED:
        str = "A cooperative level of DSSCL_PRIORITY or higher is required";
        break;
#endif
#ifdef DSERR_SENDLOOP
    case DSERR_SENDLOOP:
        str = "A circular loop of send effects was detected";
        break;
#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";
        break;
#endif
#ifdef DSERR_UNSUPPORTED
    case DSERR_UNSUPPORTED:
        str = "The function called is not supported at this time";
        break;
#endif
    default:
        AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT %#lx)\n", hr);
        return;
    }

    AUD_log (AUDIO_CAP, "Reason: %s\n", str);
}

static void GCC_FMT_ATTR (2, 3) dsound_logerr (
    HRESULT hr,
    const char *fmt,
    ...
    )
{
    va_list ap;

    va_start (ap, fmt);
    AUD_vlog (AUDIO_CAP, fmt, ap);
    va_end (ap);

    dsound_log_hresult (hr);
}

static void GCC_FMT_ATTR (3, 4) dsound_logerr2 (
    HRESULT hr,
    const char *typ,
    const char *fmt,
    ...
    )
{
    va_list ap;

    AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
    va_start (ap, fmt);
    AUD_vlog (AUDIO_CAP, fmt, ap);
    va_end (ap);

    dsound_log_hresult (hr);
}

#ifdef DEBUG_DSOUND
static void print_wave_format (WAVEFORMATEX *wfx)
{
    dolog ("tag             = %d\n", wfx->wFormatTag);
    dolog ("nChannels       = %d\n", wfx->nChannels);
    dolog ("nSamplesPerSec  = %ld\n", wfx->nSamplesPerSec);
    dolog ("nAvgBytesPerSec = %ld\n", wfx->nAvgBytesPerSec);
    dolog ("nBlockAlign     = %d\n", wfx->nBlockAlign);
    dolog ("wBitsPerSample  = %d\n", wfx->wBitsPerSample);
    dolog ("cbSize          = %d\n", wfx->cbSize);
}
#endif

static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb, dsound *s)
{
    HRESULT hr;

    hr = IDirectSoundBuffer_Restore (dsb);

    if (hr != DS_OK) {
        dsound_logerr (hr, "Could not restore playback buffer\n");
        return -1;
    }
    return 0;
}

#include "dsound_template.h"
#define DSBTYPE_IN
#include "dsound_template.h"
#undef DSBTYPE_IN

static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp,
                                  dsound *s)
{
    HRESULT hr;

    hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not get playback buffer status\n");
        return -1;
    }

    if (*statusp & DSBSTATUS_BUFFERLOST) {
        dsound_restore_out(dsb, s);
        return -1;
    }

    return 0;
}

static int dsound_get_status_in (LPDIRECTSOUNDCAPTUREBUFFER dscb,
                                 DWORD *statusp)
{
    HRESULT hr;

    hr = IDirectSoundCaptureBuffer_GetStatus (dscb, statusp);
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not get capture buffer status\n");
        return -1;
    }

    return 0;
}

static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
                                 dsound *s)
{
    int err;
    LPVOID p1, p2;
    DWORD blen1, blen2, len1, len2;

    err = dsound_lock_out (
        dsb,
        &hw->info,
        0,
        hw->size_emul,
        &p1, &p2,
        &blen1, &blen2,
        1,
        s
        );
    if (err) {
        return;
    }

    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",
           p1, blen1, len1,
           p2, blen2, len2);
#endif

    if (p1 && len1) {
        audio_pcm_info_clear_buf (&hw->info, p1, len1);
    }

    if (p2 && len2) {
        audio_pcm_info_clear_buf (&hw->info, p2, len2);
    }

    dsound_unlock_out (dsb, p1, p2, blen1, blen2);
}

static int dsound_open (dsound *s)
{
    HRESULT hr;
    HWND hwnd;

    hwnd = GetForegroundWindow ();
    hr = IDirectSound_SetCooperativeLevel (
        s->dsound,
        hwnd,
        DSSCL_PRIORITY
        );

    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not set cooperative level for window %p\n",
                       hwnd);
        return -1;
    }

    return 0;
}

static void dsound_enable_out(HWVoiceOut *hw, bool enable)
{
    HRESULT hr;
    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");
        return;
    }

    if (enable) {
        if (dsound_get_status_out (dsb, &status, s)) {
            return;
        }

        if (status & DSBSTATUS_PLAYING) {
            dolog ("warning: Voice is already playing\n");
            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;
        }
    } else {
        if (dsound_get_status_out (dsb, &status, s)) {
            return;
        }

        if (status & DSBSTATUS_PLAYING) {
            hr = IDirectSoundBuffer_Stop (dsb);
            if (FAILED (hr)) {
                dsound_logerr (hr, "Could not stop playing buffer\n");
                return;
            }
        }
        else {
            dolog ("warning: Voice is not playing\n");
        }
    }
}

static void *dsound_get_buffer_out(HWVoiceOut *hw, size_t *size)
{
    DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
    LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
    HRESULT hr;
    DWORD ppos, wpos, act_size;
    size_t req_size;
    int err;
    void *ret;

    hr = IDirectSoundBuffer_GetCurrentPosition(
        dsb, &ppos, ds->first_time ? &wpos : NULL);
    if (FAILED(hr)) {
        dsound_logerr(hr, "Could not get playback buffer position\n");
        *size = 0;
        return NULL;
    }

    if (ds->first_time) {
        hw->pos_emul = wpos;
        ds->first_time = false;
    }

    req_size = audio_ring_dist(ppos, hw->pos_emul, hw->size_emul);
    req_size = MIN(req_size, hw->size_emul - hw->pos_emul);

    if (req_size == 0) {
        *size = 0;
        return NULL;
    }

    err = dsound_lock_out(dsb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
                          &act_size, NULL, false, ds->s);
    if (err) {
        dolog("Failed to lock buffer\n");
        *size = 0;
        return NULL;
    }

    *size = act_size;
    return ret;
}

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 (err) {
        dolog("Failed to unlock buffer!!\n");
        return 0;
    }
    hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;

    return len;
}

static void dsound_enable_in(HWVoiceIn *hw, bool enable)
{
    HRESULT hr;
    DWORD status;
    DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
    LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;

    if (!dscb) {
        dolog ("Attempt to control capture voice without a buffer\n");
        return;
    }

    if (enable) {
        if (dsound_get_status_in (dscb, &status)) {
            return;
        }

        if (status & DSCBSTATUS_CAPTURING) {
            dolog ("warning: Voice is already capturing\n");
            return;
        }

        /* clear ?? */

        hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING);
        if (FAILED (hr)) {
            dsound_logerr (hr, "Could not start capturing\n");
            return;
        }
    } else {
        if (dsound_get_status_in (dscb, &status)) {
            return;
        }

        if (status & DSCBSTATUS_CAPTURING) {
            hr = IDirectSoundCaptureBuffer_Stop (dscb);
            if (FAILED (hr)) {
                dsound_logerr (hr, "Could not stop capturing\n");
                return;
            }
        }
        else {
            dolog ("warning: Voice is not capturing\n");
        }
    }
}

static void *dsound_get_buffer_in(HWVoiceIn *hw, size_t *size)
{
    DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
    LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
    HRESULT hr;
    DWORD cpos, 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");
        *size = 0;
        return NULL;
    }

    if (ds->first_time) {
        hw->pos_emul = rpos;
        ds->first_time = false;
    }

    req_size = audio_ring_dist(cpos, hw->pos_emul, hw->size_emul);
    req_size = MIN(*size, MIN(req_size, hw->size_emul - hw->pos_emul));

    if (req_size == 0) {
        *size = 0;
        return NULL;
    }

    err = dsound_lock_in(dscb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
                         &act_size, NULL, false, ds->s);
    if (err) {
        dolog("Failed to lock buffer\n");
        *size = 0;
        return NULL;
    }

    *size = act_size;
    return ret;
}

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 (err) {
        dolog("Failed to unlock buffer!!\n");
        return;
    }
    hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
}

static void dsound_audio_fini (void *opaque)
{
    HRESULT hr;
    dsound *s = opaque;

    if (!s->dsound) {
        g_free(s);
        return;
    }

    hr = IDirectSound_Release (s->dsound);
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not release DirectSound\n");
    }
    s->dsound = NULL;

    if (!s->dsound_capture) {
        g_free(s);
        return;
    }

    hr = IDirectSoundCapture_Release (s->dsound_capture);
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not release DirectSoundCapture\n");
    }
    s->dsound_capture = NULL;

    g_free(s);
}

static void *dsound_audio_init(Audiodev *dev)
{
    int err;
    HRESULT hr;
    dsound *s = g_malloc0(sizeof(dsound));
    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 */
    }

    hr = CoInitialize (NULL);
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not initialize COM\n");
        g_free(s);
        return NULL;
    }

    hr = CoCreateInstance (
        &CLSID_DirectSound,
        NULL,
        CLSCTX_ALL,
        &IID_IDirectSound,
        (void **) &s->dsound
        );
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not create DirectSound instance\n");
        g_free(s);
        return NULL;
    }

    hr = IDirectSound_Initialize (s->dsound, NULL);
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not initialize DirectSound\n");

        hr = IDirectSound_Release (s->dsound);
        if (FAILED (hr)) {
            dsound_logerr (hr, "Could not release DirectSound\n");
        }
        g_free(s);
        return NULL;
    }

    hr = CoCreateInstance (
        &CLSID_DirectSoundCapture,
        NULL,
        CLSCTX_ALL,
        &IID_IDirectSoundCapture,
        (void **) &s->dsound_capture
        );
    if (FAILED (hr)) {
        dsound_logerr (hr, "Could not create DirectSoundCapture instance\n");
    }
    else {
        hr = IDirectSoundCapture_Initialize (s->dsound_capture, NULL);
        if (FAILED (hr)) {
            dsound_logerr (hr, "Could not initialize DirectSoundCapture\n");

            hr = IDirectSoundCapture_Release (s->dsound_capture);
            if (FAILED (hr)) {
                dsound_logerr (hr, "Could not release DirectSoundCapture\n");
            }
            s->dsound_capture = NULL;
        }
    }

    err = dsound_open (s);
    if (err) {
        dsound_audio_fini (s);
        return NULL;
    }

    return s;
}

static struct audio_pcm_ops dsound_pcm_ops = {
    .init_out = dsound_init_out,
    .fini_out = dsound_fini_out,
    .write    = audio_generic_write,
    .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,
    .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",
    .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),
    .voice_size_in  = sizeof (DSoundVoiceIn)
};

static void register_audio_dsound(void)
{
    audio_driver_register(&dsound_audio_driver);
}
type_init(register_audio_dsound);
Commit	Line	Data
1d14ffa9 FB	1	/*
	2	* QEMU DirectSound audio driver
	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
	25	/*
	26	* SEAL 1.07 by Carlos 'pel' Hasan was used as documentation
	27	*/
	28
6086a565	29	#include "qemu/osdep.h"
749bc4bf	30	#include "audio.h"
1d14ffa9 FB	31
	32	#define AUDIO_CAP "dsound"
	33	#include "audio_int.h"
4a3b8b34	34	#include "qemu/host-utils.h"
0b8fa32f	35	#include "qemu/module.h"
1d14ffa9 FB	36
1d14ffa9 FB	37	#include <windows.h>
4fddf62a	38	#include <mmsystem.h>
1d14ffa9 FB	39	#include <objbase.h>
	40	#include <dsound.h>
	41
d5631638	42	#include "audio_win_int.h"
d5631638	43
1d14ffa9 FB	44	/* #define DEBUG_DSOUND */
1d14ffa9 FB	45
1d14ffa9 FB	46	typedef struct {
	47	LPDIRECTSOUND dsound;
	48	LPDIRECTSOUNDCAPTURE dsound_capture;
1ea879e5	49	struct audsettings settings;
4a3b8b34	50	Audiodev *dev;
1d14ffa9 FB	51	} dsound;
1d14ffa9 FB	52
1d14ffa9 FB	53	typedef struct {
	54	HWVoiceOut hw;
	55	LPDIRECTSOUNDBUFFER dsound_buffer;
fb35c2ce	56	bool first_time;
191e1f0a	57	dsound *s;
1d14ffa9 FB	58	} DSoundVoiceOut;
	59
	60	typedef struct {
	61	HWVoiceIn hw;
1d14ffa9	62	LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer;
fb35c2ce	63	bool first_time;
191e1f0a	64	dsound *s;
1d14ffa9 FB	65	} DSoundVoiceIn;
	66
	67	static void dsound_log_hresult (HRESULT hr)
	68	{
	69	const char *str = "BUG";
	70
	71	switch (hr) {
	72	case DS_OK:
	73	str = "The method succeeded";
	74	break;
	75	#ifdef DS_NO_VIRTUALIZATION
	76	case DS_NO_VIRTUALIZATION:
	77	str = "The buffer was created, but another 3D algorithm was substituted";
	78	break;
	79	#endif
	80	#ifdef DS_INCOMPLETE
	81	case DS_INCOMPLETE:
	82	str = "The method succeeded, but not all the optional effects were obtained";
	83	break;
	84	#endif
	85	#ifdef DSERR_ACCESSDENIED
	86	case DSERR_ACCESSDENIED:
	87	str = "The request failed because access was denied";
	88	break;
	89	#endif
	90	#ifdef DSERR_ALLOCATED
	91	case DSERR_ALLOCATED:
	92	str = "The request failed because resources, such as a priority level, were already in use by another caller";
	93	break;
	94	#endif
	95	#ifdef DSERR_ALREADYINITIALIZED
	96	case DSERR_ALREADYINITIALIZED:
	97	str = "The object is already initialized";
	98	break;
	99	#endif
	100	#ifdef DSERR_BADFORMAT
	101	case DSERR_BADFORMAT:
	102	str = "The specified wave format is not supported";
	103	break;
	104	#endif
	105	#ifdef DSERR_BADSENDBUFFERGUID
	106	case DSERR_BADSENDBUFFERGUID:
	107	str = "The GUID specified in an audiopath file does not match a valid mix-in buffer";
	108	break;
	109	#endif
	110	#ifdef DSERR_BUFFERLOST
	111	case DSERR_BUFFERLOST:
	112	str = "The buffer memory has been lost and must be restored";
	113	break;
	114	#endif
	115	#ifdef DSERR_BUFFERTOOSMALL
	116	case DSERR_BUFFERTOOSMALL:
	117	str = "The buffer size is not great enough to enable effects processing";
	118	break;
	119	#endif
	120	#ifdef DSERR_CONTROLUNAVAIL
	121	case DSERR_CONTROLUNAVAIL:
	122	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";
	123	break;
	124	#endif
	125	#ifdef DSERR_DS8_REQUIRED
	126	case DSERR_DS8_REQUIRED:
	127	str = "A DirectSound object of class CLSID_DirectSound8 or later is required for the requested functionality. For more information, see IDirectSound8 Interface";
	128	break;
129	#endif
130	#ifdef DSERR_FXUNAVAILABLE
131	case DSERR_FXUNAVAILABLE:
132	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";
133	break;
134	#endif
135	#ifdef DSERR_GENERIC
136	case DSERR_GENERIC :
137	str = "An undetermined error occurred inside the DirectSound subsystem";
138	break;
139	#endif
140	#ifdef DSERR_INVALIDCALL
141	case DSERR_INVALIDCALL:
142	str = "This function is not valid for the current state of this object";
143	break;
144	#endif
145	#ifdef DSERR_INVALIDPARAM
146	case DSERR_INVALIDPARAM:
147	str = "An invalid parameter was passed to the returning function";
148	break;
149	#endif
150	#ifdef DSERR_NOAGGREGATION
151	case DSERR_NOAGGREGATION:
152	str = "The object does not support aggregation";
153	break;
154	#endif
155	#ifdef DSERR_NODRIVER
156	case DSERR_NODRIVER:
157	str = "No sound driver is available for use, or the given GUID is not a valid DirectSound device ID";
158	break;
159	#endif
160	#ifdef DSERR_NOINTERFACE
161	case DSERR_NOINTERFACE:
162	str = "The requested COM interface is not available";
163	break;
164	#endif
165	#ifdef DSERR_OBJECTNOTFOUND
166	case DSERR_OBJECTNOTFOUND:
167	str = "The requested object was not found";
168	break;
169	#endif
170	#ifdef DSERR_OTHERAPPHASPRIO
171	case DSERR_OTHERAPPHASPRIO:
172	str = "Another application has a higher priority level, preventing this call from succeeding";
173	break;
174	#endif
175	#ifdef DSERR_OUTOFMEMORY
176	case DSERR_OUTOFMEMORY:
177	str = "The DirectSound subsystem could not allocate sufficient memory to complete the caller's request";
178	break;
179	#endif
180	#ifdef DSERR_PRIOLEVELNEEDED
181	case DSERR_PRIOLEVELNEEDED:
182	str = "A cooperative level of DSSCL_PRIORITY or higher is required";
183	break;
184	#endif
185	#ifdef DSERR_SENDLOOP
186	case DSERR_SENDLOOP:
187	str = "A circular loop of send effects was detected";
188	break;
189	#endif
190	#ifdef DSERR_UNINITIALIZED
191	case DSERR_UNINITIALIZED:
192	str = "The Initialize method has not been called or has not been called successfully before other methods were called";
193	break;
194	#endif
195	#ifdef DSERR_UNSUPPORTED
196	case DSERR_UNSUPPORTED:
197	str = "The function called is not supported at this time";
198	break;
199	#endif
200	default:
201	AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT %#lx)\n", hr);
202	return;
203	}
204
205	AUD_log (AUDIO_CAP, "Reason: %s\n", str);
206	}
207
208	static void GCC_FMT_ATTR (2, 3) dsound_logerr (
209	HRESULT hr,
210	const char *fmt,
211	...
212	)
213	{
214	va_list ap;
215
216	va_start (ap, fmt);
217	AUD_vlog (AUDIO_CAP, fmt, ap);
218	va_end (ap);
219
220	dsound_log_hresult (hr);
221	}
222
223	static void GCC_FMT_ATTR (3, 4) dsound_logerr2 (
224	HRESULT hr,
225	const char *typ,
226	const char *fmt,
227	...
228	)
229	{
230	va_list ap;
231
c0fe3827	232	AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
1d14ffa9 FB	233	va_start (ap, fmt);
	234	AUD_vlog (AUDIO_CAP, fmt, ap);
	235	va_end (ap);
	236
	237	dsound_log_hresult (hr);
	238	}
	239
1d14ffa9 FB	240	#ifdef DEBUG_DSOUND
	241	static void print_wave_format (WAVEFORMATEX *wfx)
	242	{
	243	dolog ("tag = %d\n", wfx->wFormatTag);
	244	dolog ("nChannels = %d\n", wfx->nChannels);
	245	dolog ("nSamplesPerSec = %ld\n", wfx->nSamplesPerSec);
	246	dolog ("nAvgBytesPerSec = %ld\n", wfx->nAvgBytesPerSec);
	247	dolog ("nBlockAlign = %d\n", wfx->nBlockAlign);
	248	dolog ("wBitsPerSample = %d\n", wfx->wBitsPerSample);
	249	dolog ("cbSize = %d\n", wfx->cbSize);
	250	}
	251	#endif
	252
191e1f0a	253	static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb, dsound *s)
1d14ffa9 FB	254	{
1d14ffa9 FB	255	HRESULT hr;
1d14ffa9	256
2762955f	257	hr = IDirectSoundBuffer_Restore (dsb);
1d14ffa9	258
2762955f KZ	259	if (hr != DS_OK) {
	260	dsound_logerr (hr, "Could not restore playback buffer\n");
	261	return -1;
1d14ffa9	262	}
2762955f	263	return 0;
1d14ffa9 FB	264	}
1d14ffa9 FB	265
1d14ffa9 FB	266	#include "dsound_template.h"
	267	#define DSBTYPE_IN
	268	#include "dsound_template.h"
	269	#undef DSBTYPE_IN
	270
191e1f0a KZ	271	static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp,
191e1f0a KZ	272	dsound *s)
1d14ffa9 FB	273	{
1d14ffa9 FB	274	HRESULT hr;
1d14ffa9	275
2762955f KZ	276	hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
	277	if (FAILED (hr)) {
	278	dsound_logerr (hr, "Could not get playback buffer status\n");
	279	return -1;
	280	}
1d14ffa9	281
4ba664cb	282	if (*statusp & DSBSTATUS_BUFFERLOST) {
2762955f KZ	283	dsound_restore_out(dsb, s);
2762955f KZ	284	return -1;
1d14ffa9 FB	285	}
	286
	287	return 0;
	288	}
	289
	290	static int dsound_get_status_in (LPDIRECTSOUNDCAPTUREBUFFER dscb,
	291	DWORD *statusp)
	292	{
	293	HRESULT hr;
	294
	295	hr = IDirectSoundCaptureBuffer_GetStatus (dscb, statusp);
	296	if (FAILED (hr)) {
c0fe3827	297	dsound_logerr (hr, "Could not get capture buffer status\n");
1d14ffa9 FB	298	return -1;
	299	}
	300
	301	return 0;
	302	}
	303
191e1f0a KZ	304	static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
191e1f0a KZ	305	dsound *s)
1d14ffa9 FB	306	{
	307	int err;
	308	LPVOID p1, p2;
	309	DWORD blen1, blen2, len1, len2;
	310
	311	err = dsound_lock_out (
	312	dsb,
	313	&hw->info,
	314	0,
7fa9754a	315	hw->size_emul,
1d14ffa9 FB	316	&p1, &p2,
1d14ffa9 FB	317	&blen1, &blen2,
191e1f0a KZ	318	1,
191e1f0a KZ	319	s
1d14ffa9 FB	320	);
	321	if (err) {
	322	return;
	323	}
	324
2b9cce8c KZ	325	len1 = blen1 / hw->info.bytes_per_frame;
2b9cce8c KZ	326	len2 = blen2 / hw->info.bytes_per_frame;
1d14ffa9 FB	327
	328	#ifdef DEBUG_DSOUND
	329	dolog ("clear %p,%ld,%ld %p,%ld,%ld\n",
	330	p1, blen1, len1,
	331	p2, blen2, len2);
	332	#endif
	333
	334	if (p1 && len1) {
	335	audio_pcm_info_clear_buf (&hw->info, p1, len1);
	336	}
	337
	338	if (p2 && len2) {
	339	audio_pcm_info_clear_buf (&hw->info, p2, len2);
	340	}
	341
	342	dsound_unlock_out (dsb, p1, p2, blen1, blen2);
	343	}
	344
1d14ffa9 FB	345	static int dsound_open (dsound *s)
1d14ffa9 FB	346	{
1d14ffa9	347	HRESULT hr;
1d14ffa9 FB	348	HWND hwnd;
	349
	350	hwnd = GetForegroundWindow ();
	351	hr = IDirectSound_SetCooperativeLevel (
	352	s->dsound,
	353	hwnd,
	354	DSSCL_PRIORITY
	355	);
	356
	357	if (FAILED (hr)) {
c0fe3827	358	dsound_logerr (hr, "Could not set cooperative level for window %p\n",
1d14ffa9 FB	359	hwnd);
	360	return -1;
	361	}
	362
1d14ffa9	363	return 0;
1d14ffa9 FB	364	}
1d14ffa9 FB	365
571a8c52	366	static void dsound_enable_out(HWVoiceOut *hw, bool enable)
1d14ffa9 FB	367	{
	368	HRESULT hr;
	369	DWORD status;
	370	DSoundVoiceOut ds = (DSoundVoiceOut ) hw;
	371	LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
191e1f0a	372	dsound *s = ds->s;
1d14ffa9 FB	373
	374	if (!dsb) {
	375	dolog ("Attempt to control voice without a buffer\n");
571a8c52	376	return;
1d14ffa9 FB	377	}
1d14ffa9 FB	378
571a8c52	379	if (enable) {
191e1f0a	380	if (dsound_get_status_out (dsb, &status, s)) {
571a8c52	381	return;
1d14ffa9 FB	382	}
	383
	384	if (status & DSBSTATUS_PLAYING) {
c0fe3827	385	dolog ("warning: Voice is already playing\n");
571a8c52	386	return;
1d14ffa9 FB	387	}
1d14ffa9 FB	388
191e1f0a	389	dsound_clear_sample (hw, dsb, s);
1d14ffa9 FB	390
	391	hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING);
	392	if (FAILED (hr)) {
c0fe3827	393	dsound_logerr (hr, "Could not start playing buffer\n");
571a8c52	394	return;
1d14ffa9	395	}
571a8c52	396	} else {
191e1f0a	397	if (dsound_get_status_out (dsb, &status, s)) {
571a8c52	398	return;
1d14ffa9 FB	399	}
	400
	401	if (status & DSBSTATUS_PLAYING) {
	402	hr = IDirectSoundBuffer_Stop (dsb);
	403	if (FAILED (hr)) {
c0fe3827	404	dsound_logerr (hr, "Could not stop playing buffer\n");
571a8c52	405	return;
1d14ffa9 FB	406	}
	407	}
	408	else {
c0fe3827	409	dolog ("warning: Voice is not playing\n");
1d14ffa9	410	}
1d14ffa9	411	}
1d14ffa9 FB	412	}
1d14ffa9 FB	413
7fa9754a	414	static void dsound_get_buffer_out(HWVoiceOut hw, size_t *size)
1d14ffa9	415	{
1d14ffa9 FB	416	DSoundVoiceOut ds = (DSoundVoiceOut ) hw;
1d14ffa9 FB	417	LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
7fa9754a	418	HRESULT hr;
fb35c2ce	419	DWORD ppos, wpos, act_size;
7fa9754a KZ	420	size_t req_size;
	421	int err;
	422	void *ret;
1d14ffa9	423
fb35c2ce KZ	424	hr = IDirectSoundBuffer_GetCurrentPosition(
fb35c2ce KZ	425	dsb, &ppos, ds->first_time ? &wpos : NULL);
7fa9754a KZ	426	if (FAILED(hr)) {
	427	dsound_logerr(hr, "Could not get playback buffer position\n");
	428	*size = 0;
	429	return NULL;
1d14ffa9	430	}
1d14ffa9	431
fb35c2ce KZ	432	if (ds->first_time) {
	433	hw->pos_emul = wpos;
	434	ds->first_time = false;
	435	}
	436
7fa9754a KZ	437	req_size = audio_ring_dist(ppos, hw->pos_emul, hw->size_emul);
7fa9754a KZ	438	req_size = MIN(req_size, hw->size_emul - hw->pos_emul);
1d14ffa9	439
fb35c2ce KZ	440	if (req_size == 0) {
	441	*size = 0;
	442	return NULL;
	443	}
	444
7fa9754a KZ	445	err = dsound_lock_out(dsb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
	446	&act_size, NULL, false, ds->s);
	447	if (err) {
	448	dolog("Failed to lock buffer\n");
	449	*size = 0;
	450	return NULL;
1d14ffa9 FB	451	}
1d14ffa9 FB	452
7fa9754a KZ	453	*size = act_size;
	454	return ret;
	455	}
1d14ffa9	456
7fa9754a KZ	457	static size_t dsound_put_buffer_out(HWVoiceOut hw, void buf, size_t len)
	458	{
	459	DSoundVoiceOut ds = (DSoundVoiceOut ) hw;
	460	LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
	461	int err = dsound_unlock_out(dsb, buf, NULL, len, 0);
1d14ffa9	462
1d14ffa9	463	if (err) {
7fa9754a	464	dolog("Failed to unlock buffer!!\n");
1d14ffa9 FB	465	return 0;
1d14ffa9 FB	466	}
7fa9754a	467	hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
1d14ffa9	468
7fa9754a	469	return len;
1d14ffa9 FB	470	}
1d14ffa9 FB	471
571a8c52	472	static void dsound_enable_in(HWVoiceIn *hw, bool enable)
1d14ffa9 FB	473	{
	474	HRESULT hr;
	475	DWORD status;
	476	DSoundVoiceIn ds = (DSoundVoiceIn ) hw;
	477	LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
	478
	479	if (!dscb) {
	480	dolog ("Attempt to control capture voice without a buffer\n");
571a8c52	481	return;
1d14ffa9 FB	482	}
1d14ffa9 FB	483
571a8c52	484	if (enable) {
1d14ffa9	485	if (dsound_get_status_in (dscb, &status)) {
571a8c52	486	return;
1d14ffa9 FB	487	}
	488
	489	if (status & DSCBSTATUS_CAPTURING) {
c0fe3827	490	dolog ("warning: Voice is already capturing\n");
571a8c52	491	return;
1d14ffa9 FB	492	}
	493
	494	/* clear ?? */
	495
	496	hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING);
	497	if (FAILED (hr)) {
c0fe3827	498	dsound_logerr (hr, "Could not start capturing\n");
571a8c52	499	return;
1d14ffa9	500	}
571a8c52	501	} else {
1d14ffa9	502	if (dsound_get_status_in (dscb, &status)) {
571a8c52	503	return;
1d14ffa9 FB	504	}
	505
	506	if (status & DSCBSTATUS_CAPTURING) {
	507	hr = IDirectSoundCaptureBuffer_Stop (dscb);
	508	if (FAILED (hr)) {
c0fe3827	509	dsound_logerr (hr, "Could not stop capturing\n");
571a8c52	510	return;
1d14ffa9 FB	511	}
	512	}
	513	else {
c0fe3827	514	dolog ("warning: Voice is not capturing\n");
1d14ffa9	515	}
1d14ffa9	516	}
1d14ffa9 FB	517	}
1d14ffa9 FB	518
7fa9754a	519	static void dsound_get_buffer_in(HWVoiceIn hw, size_t *size)
1d14ffa9	520	{
1d14ffa9 FB	521	DSoundVoiceIn ds = (DSoundVoiceIn ) hw;
1d14ffa9 FB	522	LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
7fa9754a	523	HRESULT hr;
fb35c2ce	524	DWORD cpos, rpos, act_size;
7fa9754a KZ	525	size_t req_size;
	526	int err;
	527	void *ret;
1d14ffa9	528
fb35c2ce KZ	529	hr = IDirectSoundCaptureBuffer_GetCurrentPosition(
fb35c2ce KZ	530	dscb, &cpos, ds->first_time ? &rpos : NULL);
7fa9754a KZ	531	if (FAILED(hr)) {
	532	dsound_logerr(hr, "Could not get capture buffer position\n");
	533	*size = 0;
	534	return NULL;
1d14ffa9	535	}
1d14ffa9	536
fb35c2ce KZ	537	if (ds->first_time) {
	538	hw->pos_emul = rpos;
	539	ds->first_time = false;
	540	}
	541
7fa9754a	542	req_size = audio_ring_dist(cpos, hw->pos_emul, hw->size_emul);
8d1439b6	543	req_size = MIN(*size, MIN(req_size, hw->size_emul - hw->pos_emul));
1d14ffa9	544
17470298 VR	545	if (req_size == 0) {
	546	*size = 0;
	547	return NULL;
	548	}
	549
7fa9754a KZ	550	err = dsound_lock_in(dscb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
7fa9754a KZ	551	&act_size, NULL, false, ds->s);
1d14ffa9	552	if (err) {
7fa9754a KZ	553	dolog("Failed to lock buffer\n");
	554	*size = 0;
	555	return NULL;
1d14ffa9 FB	556	}
1d14ffa9 FB	557
7fa9754a KZ	558	*size = act_size;
	559	return ret;
	560	}
1d14ffa9	561
7fa9754a KZ	562	static void dsound_put_buffer_in(HWVoiceIn hw, void buf, size_t len)
	563	{
	564	DSoundVoiceIn ds = (DSoundVoiceIn ) hw;
	565	LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
	566	int err = dsound_unlock_in(dscb, buf, NULL, len, 0);
1d14ffa9	567
7fa9754a KZ	568	if (err) {
	569	dolog("Failed to unlock buffer!!\n");
	570	return;
1d14ffa9	571	}
7fa9754a	572	hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
1d14ffa9 FB	573	}
	574
	575	static void dsound_audio_fini (void *opaque)
	576	{
	577	HRESULT hr;
	578	dsound *s = opaque;
	579
	580	if (!s->dsound) {
191e1f0a	581	g_free(s);
1d14ffa9 FB	582	return;
	583	}
	584
	585	hr = IDirectSound_Release (s->dsound);
	586	if (FAILED (hr)) {
c0fe3827	587	dsound_logerr (hr, "Could not release DirectSound\n");
1d14ffa9 FB	588	}
	589	s->dsound = NULL;
	590
	591	if (!s->dsound_capture) {
191e1f0a	592	g_free(s);
1d14ffa9 FB	593	return;
	594	}
	595
	596	hr = IDirectSoundCapture_Release (s->dsound_capture);
	597	if (FAILED (hr)) {
c0fe3827	598	dsound_logerr (hr, "Could not release DirectSoundCapture\n");
1d14ffa9 FB	599	}
1d14ffa9 FB	600	s->dsound_capture = NULL;
191e1f0a KZ	601
191e1f0a KZ	602	g_free(s);
1d14ffa9 FB	603	}
1d14ffa9 FB	604
71830221	605	static void dsound_audio_init(Audiodev dev)
1d14ffa9 FB	606	{
	607	int err;
	608	HRESULT hr;
191e1f0a	609	dsound *s = g_malloc0(sizeof(dsound));
4a3b8b34 KZ	610	AudiodevDsoundOptions *dso;
	611
	612	assert(dev->driver == AUDIODEV_DRIVER_DSOUND);
	613	s->dev = dev;
	614	dso = &dev->u.dsound;
	615
	616	if (!dso->has_latency) {
	617	dso->has_latency = true;
	618	dso->latency = 10000; /* 10 ms */
	619	}
1d14ffa9 FB	620
	621	hr = CoInitialize (NULL);
	622	if (FAILED (hr)) {
c0fe3827	623	dsound_logerr (hr, "Could not initialize COM\n");
191e1f0a	624	g_free(s);
1d14ffa9 FB	625	return NULL;
	626	}
	627
	628	hr = CoCreateInstance (
	629	&CLSID_DirectSound,
	630	NULL,
	631	CLSCTX_ALL,
	632	&IID_IDirectSound,
	633	(void **) &s->dsound
	634	);
	635	if (FAILED (hr)) {
c0fe3827	636	dsound_logerr (hr, "Could not create DirectSound instance\n");
191e1f0a	637	g_free(s);
1d14ffa9 FB	638	return NULL;
	639	}
	640
	641	hr = IDirectSound_Initialize (s->dsound, NULL);
	642	if (FAILED (hr)) {
c0fe3827	643	dsound_logerr (hr, "Could not initialize DirectSound\n");
8ead62cf FB	644
	645	hr = IDirectSound_Release (s->dsound);
	646	if (FAILED (hr)) {
	647	dsound_logerr (hr, "Could not release DirectSound\n");
	648	}
191e1f0a	649	g_free(s);
1d14ffa9 FB	650	return NULL;
	651	}
	652
	653	hr = CoCreateInstance (
	654	&CLSID_DirectSoundCapture,
	655	NULL,
	656	CLSCTX_ALL,
	657	&IID_IDirectSoundCapture,
	658	(void **) &s->dsound_capture
	659	);
	660	if (FAILED (hr)) {
c0fe3827	661	dsound_logerr (hr, "Could not create DirectSoundCapture instance\n");
1d14ffa9 FB	662	}
	663	else {
	664	hr = IDirectSoundCapture_Initialize (s->dsound_capture, NULL);
	665	if (FAILED (hr)) {
c0fe3827	666	dsound_logerr (hr, "Could not initialize DirectSoundCapture\n");
1d14ffa9 FB	667
	668	hr = IDirectSoundCapture_Release (s->dsound_capture);
	669	if (FAILED (hr)) {
c0fe3827	670	dsound_logerr (hr, "Could not release DirectSoundCapture\n");
1d14ffa9 FB	671	}
	672	s->dsound_capture = NULL;
	673	}
	674	}
	675
	676	err = dsound_open (s);
	677	if (err) {
	678	dsound_audio_fini (s);
	679	return NULL;
	680	}
	681
	682	return s;
	683	}
	684
35f4b58c	685	static struct audio_pcm_ops dsound_pcm_ops = {
1dd3e4d1 JQ	686	.init_out = dsound_init_out,
1dd3e4d1 JQ	687	.fini_out = dsound_fini_out,
7fa9754a KZ	688	.write = audio_generic_write,
	689	.get_buffer_out = dsound_get_buffer_out,
	690	.put_buffer_out = dsound_put_buffer_out,
571a8c52	691	.enable_out = dsound_enable_out,
1dd3e4d1 JQ	692
	693	.init_in = dsound_init_in,
	694	.fini_in = dsound_fini_in,
7fa9754a KZ	695	.read = audio_generic_read,
	696	.get_buffer_in = dsound_get_buffer_in,
	697	.put_buffer_in = dsound_put_buffer_in,
571a8c52	698	.enable_in = dsound_enable_in,
1d14ffa9 FB	699	};
1d14ffa9 FB	700
d3893a39	701	static struct audio_driver dsound_audio_driver = {
bee37f32 JQ	702	.name = "dsound",
bee37f32 JQ	703	.descr = "DirectSound http://wikipedia.org/wiki/DirectSound",
bee37f32 JQ	704	.init = dsound_audio_init,
	705	.fini = dsound_audio_fini,
	706	.pcm_ops = &dsound_pcm_ops,
	707	.can_be_default = 1,
	708	.max_voices_out = INT_MAX,
	709	.max_voices_in = 1,
	710	.voice_size_out = sizeof (DSoundVoiceOut),
15c875a3	711	.voice_size_in = sizeof (DSoundVoiceIn)
1d14ffa9	712	};
d3893a39 GH	713
	714	static void register_audio_dsound(void)
	715	{
	716	audio_driver_register(&dsound_audio_driver);
	717	}
	718	type_init(register_audio_dsound);