281 lines
7.0 KiB
C
281 lines
7.0 KiB
C
/*
|
|
* QEMU DirectSound audio driver header
|
|
*
|
|
* 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.
|
|
*/
|
|
#ifdef DSBTYPE_IN
|
|
#define NAME "capture buffer"
|
|
#define NAME2 "DirectSoundCapture"
|
|
#define TYPE in
|
|
#define IFACE IDirectSoundCaptureBuffer
|
|
#define BUFPTR LPDIRECTSOUNDCAPTUREBUFFER
|
|
#define FIELD dsound_capture_buffer
|
|
#define FIELD2 dsound_capture
|
|
#define HWVOICE HWVoiceIn
|
|
#define DSOUNDVOICE DSoundVoiceIn
|
|
#else
|
|
#define NAME "playback buffer"
|
|
#define NAME2 "DirectSound"
|
|
#define TYPE out
|
|
#define IFACE IDirectSoundBuffer
|
|
#define BUFPTR LPDIRECTSOUNDBUFFER
|
|
#define FIELD dsound_buffer
|
|
#define FIELD2 dsound
|
|
#define HWVOICE HWVoiceOut
|
|
#define DSOUNDVOICE DSoundVoiceOut
|
|
#endif
|
|
|
|
static int glue (dsound_unlock_, TYPE) (
|
|
BUFPTR buf,
|
|
LPVOID p1,
|
|
LPVOID p2,
|
|
DWORD blen1,
|
|
DWORD blen2
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = glue (IFACE, _Unlock) (buf, p1, blen1, p2, blen2);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not unlock " NAME "\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int glue (dsound_lock_, TYPE) (
|
|
BUFPTR buf,
|
|
struct audio_pcm_info *info,
|
|
DWORD pos,
|
|
DWORD len,
|
|
LPVOID *p1p,
|
|
LPVOID *p2p,
|
|
DWORD *blen1p,
|
|
DWORD *blen2p,
|
|
int entire,
|
|
dsound *s
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
DWORD flag;
|
|
|
|
#ifdef DSBTYPE_IN
|
|
flag = entire ? DSCBLOCK_ENTIREBUFFER : 0;
|
|
#else
|
|
flag = entire ? DSBLOCK_ENTIREBUFFER : 0;
|
|
#endif
|
|
hr = glue(IFACE, _Lock)(buf, pos, len, p1p, blen1p, p2p, blen2p, flag);
|
|
|
|
if (FAILED (hr)) {
|
|
#ifndef DSBTYPE_IN
|
|
if (hr == DSERR_BUFFERLOST) {
|
|
if (glue (dsound_restore_, TYPE) (buf, s)) {
|
|
dsound_logerr (hr, "Could not lock " NAME "\n");
|
|
}
|
|
goto fail;
|
|
}
|
|
#endif
|
|
dsound_logerr (hr, "Could not lock " NAME "\n");
|
|
goto fail;
|
|
}
|
|
|
|
if ((p1p && *p1p && (*blen1p % info->bytes_per_frame)) ||
|
|
(p2p && *p2p && (*blen2p % info->bytes_per_frame))) {
|
|
dolog("DirectSound returned misaligned buffer %ld %ld\n",
|
|
*blen1p, *blen2p);
|
|
glue(dsound_unlock_, TYPE)(buf, *p1p, p2p ? *p2p : NULL, *blen1p,
|
|
blen2p ? *blen2p : 0);
|
|
goto fail;
|
|
}
|
|
|
|
if (p1p && !*p1p && *blen1p) {
|
|
dolog("warning: !p1 && blen1=%ld\n", *blen1p);
|
|
*blen1p = 0;
|
|
}
|
|
|
|
if (p2p && !*p2p && *blen2p) {
|
|
dolog("warning: !p2 && blen2=%ld\n", *blen2p);
|
|
*blen2p = 0;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
*p1p = NULL - 1;
|
|
*blen1p = -1;
|
|
if (p2p) {
|
|
*p2p = NULL - 1;
|
|
*blen2p = -1;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
#ifdef DSBTYPE_IN
|
|
static void dsound_fini_in (HWVoiceIn *hw)
|
|
#else
|
|
static void dsound_fini_out (HWVoiceOut *hw)
|
|
#endif
|
|
{
|
|
HRESULT hr;
|
|
#ifdef DSBTYPE_IN
|
|
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
|
|
#else
|
|
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
|
|
#endif
|
|
|
|
if (ds->FIELD) {
|
|
hr = glue (IFACE, _Stop) (ds->FIELD);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not stop " NAME "\n");
|
|
}
|
|
|
|
hr = glue (IFACE, _Release) (ds->FIELD);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not release " NAME "\n");
|
|
}
|
|
ds->FIELD = NULL;
|
|
}
|
|
}
|
|
|
|
#ifdef DSBTYPE_IN
|
|
static int dsound_init_in(HWVoiceIn *hw, struct audsettings *as,
|
|
void *drv_opaque)
|
|
#else
|
|
static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
|
|
void *drv_opaque)
|
|
#endif
|
|
{
|
|
int err;
|
|
HRESULT hr;
|
|
dsound *s = drv_opaque;
|
|
WAVEFORMATEX wfx;
|
|
struct audsettings obt_as;
|
|
#ifdef DSBTYPE_IN
|
|
const char *typ = "ADC";
|
|
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
|
|
DSCBUFFERDESC bd;
|
|
DSCBCAPS bc;
|
|
AudiodevPerDirectionOptions *pdo = s->dev->u.dsound.in;
|
|
#else
|
|
const char *typ = "DAC";
|
|
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
|
|
DSBUFFERDESC bd;
|
|
DSBCAPS bc;
|
|
AudiodevPerDirectionOptions *pdo = s->dev->u.dsound.out;
|
|
#endif
|
|
|
|
if (!s->FIELD2) {
|
|
dolog ("Attempt to initialize voice without " NAME2 " object\n");
|
|
return -1;
|
|
}
|
|
|
|
err = waveformat_from_audio_settings (&wfx, as);
|
|
if (err) {
|
|
return -1;
|
|
}
|
|
|
|
memset (&bd, 0, sizeof (bd));
|
|
bd.dwSize = sizeof (bd);
|
|
bd.lpwfxFormat = &wfx;
|
|
bd.dwBufferBytes = audio_buffer_bytes(pdo, as, 92880);
|
|
#ifdef DSBTYPE_IN
|
|
hr = IDirectSoundCapture_CreateCaptureBuffer (
|
|
s->dsound_capture,
|
|
&bd,
|
|
&ds->dsound_capture_buffer,
|
|
NULL
|
|
);
|
|
#else
|
|
bd.dwFlags = DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
|
|
hr = IDirectSound_CreateSoundBuffer (
|
|
s->dsound,
|
|
&bd,
|
|
&ds->dsound_buffer,
|
|
NULL
|
|
);
|
|
#endif
|
|
|
|
if (FAILED (hr)) {
|
|
dsound_logerr2 (hr, typ, "Could not create " NAME "\n");
|
|
return -1;
|
|
}
|
|
|
|
hr = glue (IFACE, _GetFormat) (ds->FIELD, &wfx, sizeof (wfx), NULL);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr2 (hr, typ, "Could not get " NAME " format\n");
|
|
goto fail0;
|
|
}
|
|
|
|
#ifdef DEBUG_DSOUND
|
|
dolog (NAME "\n");
|
|
print_wave_format (&wfx);
|
|
#endif
|
|
|
|
memset (&bc, 0, sizeof (bc));
|
|
bc.dwSize = sizeof (bc);
|
|
|
|
hr = glue (IFACE, _GetCaps) (ds->FIELD, &bc);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr2 (hr, typ, "Could not get " NAME " format\n");
|
|
goto fail0;
|
|
}
|
|
|
|
err = waveformat_to_audio_settings (&wfx, &obt_as);
|
|
if (err) {
|
|
goto fail0;
|
|
}
|
|
|
|
ds->first_time = true;
|
|
obt_as.endianness = 0;
|
|
audio_pcm_init_info (&hw->info, &obt_as);
|
|
|
|
if (bc.dwBufferBytes % hw->info.bytes_per_frame) {
|
|
dolog (
|
|
"GetCaps returned misaligned buffer size %ld, alignment %d\n",
|
|
bc.dwBufferBytes, hw->info.bytes_per_frame
|
|
);
|
|
}
|
|
hw->size_emul = bc.dwBufferBytes;
|
|
hw->samples = bc.dwBufferBytes / hw->info.bytes_per_frame;
|
|
ds->s = s;
|
|
|
|
#ifdef DEBUG_DSOUND
|
|
dolog ("caps %ld, desc %ld\n",
|
|
bc.dwBufferBytes, bd.dwBufferBytes);
|
|
#endif
|
|
return 0;
|
|
|
|
fail0:
|
|
glue (dsound_fini_, TYPE) (hw);
|
|
return -1;
|
|
}
|
|
|
|
#undef NAME
|
|
#undef NAME2
|
|
#undef TYPE
|
|
#undef IFACE
|
|
#undef BUFPTR
|
|
#undef FIELD
|
|
#undef FIELD2
|
|
#undef HWVOICE
|
|
#undef DSOUNDVOICE
|