qemu/audio/dsound_template.h
bellard 1d14ffa97e merged 15a_aqemu.patch audio patch (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1584 c046a42c-6fe2-441c-8c8c-71466251a162
2005-10-30 18:58:22 +00:00

299 lines
6.9 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 TYPE in
#define IFACE IDirectSoundCaptureBuffer
#define BUFPTR LPDIRECTSOUNDCAPTUREBUFFER
#define FIELD dsound_capture_buffer
#else
#define NAME "playback buffer"
#define TYPE out
#define IFACE IDirectSoundBuffer
#define BUFPTR LPDIRECTSOUNDBUFFER
#define FIELD dsound_buffer
#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, "Can 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
)
{
HRESULT hr;
int i;
LPVOID p1 = NULL, p2 = NULL;
DWORD blen1 = 0, blen2 = 0;
for (i = 0; i < conf.lock_retries; ++i) {
hr = glue (IFACE, _Lock) (
buf,
pos,
len,
&p1,
&blen1,
&p2,
&blen2,
(entire
#ifdef DSBTYPE_IN
? DSCBLOCK_ENTIREBUFFER
#else
? DSBLOCK_ENTIREBUFFER
#endif
: 0)
);
if (FAILED (hr)) {
#ifndef DSBTYPE_IN
if (hr == DSERR_BUFFERLOST) {
if (glue (dsound_restore_, TYPE) (buf)) {
dsound_logerr (hr, "Can not lock " NAME "\n");
goto fail;
}
continue;
}
#endif
dsound_logerr (hr, "Can not lock " NAME "\n");
goto fail;
}
break;
}
if (i == conf.lock_retries) {
dolog ("%d attempts to lock " NAME " failed\n", i);
goto fail;
}
if ((p1 && (blen1 & info->align)) || (p2 && (blen2 & info->align))) {
dolog ("DirectSound returned misaligned buffer %ld %ld\n",
blen1, blen2);
glue (dsound_unlock_, TYPE) (buf, p1, p2, blen1, blen2);
goto fail;
}
if (!p1 && blen1) {
dolog ("warning: !p1 && blen1=%ld\n", blen1);
blen1 = 0;
}
if (!p2 && blen2) {
dolog ("warning: !p2 && blen2=%ld\n", blen2);
blen2 = 0;
}
*p1p = p1;
*p2p = p2;
*blen1p = blen1;
*blen2p = blen2;
return 0;
fail:
*p1p = NULL - 1;
*p2p = NULL - 1;
*blen1p = -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, "Can not stop " NAME "\n");
}
hr = glue (IFACE, _Release) (ds->FIELD);
if (FAILED (hr)) {
dsound_logerr (hr, "Can not release " NAME "\n");
}
ds->FIELD = NULL;
}
}
#ifdef DSBTYPE_IN
static int dsound_init_in (
HWVoiceIn *hw,
int freq,
int nchannels,
audfmt_e fmt
)
#else
static int dsound_init_out (
HWVoiceOut *hw,
int freq,
int nchannels,
audfmt_e fmt
)
#endif
{
int err;
HRESULT hr;
dsound *s = &glob_dsound;
WAVEFORMATEX wfx;
struct full_fmt full_fmt;
#ifdef DSBTYPE_IN
const char *typ = "ADC";
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
DSCBUFFERDESC bd;
DSCBCAPS bc;
#else
const char *typ = "DAC";
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
DSBUFFERDESC bd;
DSBCAPS bc;
#endif
full_fmt.freq = freq;
full_fmt.nchannels = nchannels;
full_fmt.fmt = fmt;
err = waveformat_from_full_fmt (&wfx, &full_fmt);
if (err) {
return -1;
}
memset (&bd, 0, sizeof (bd));
bd.dwSize = sizeof (bd);
bd.lpwfxFormat = &wfx;
#ifdef DSBTYPE_IN
bd.dwBufferBytes = conf.bufsize_in;
hr = IDirectSoundCapture_CreateCaptureBuffer (
s->dsound_capture,
&bd,
&ds->dsound_capture_buffer,
NULL
);
#else
bd.dwFlags = DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
bd.dwBufferBytes = conf.bufsize_out;
hr = IDirectSound_CreateSoundBuffer (
s->dsound,
&bd,
&ds->dsound_buffer,
NULL
);
#endif
if (FAILED (hr)) {
dsound_logerr2 (hr, typ, "Can not create " NAME "\n");
return -1;
}
hr = glue (IFACE, _GetFormat) (
ds->FIELD,
&wfx,
sizeof (wfx),
NULL
);
if (FAILED (hr)) {
dsound_logerr2 (hr, typ, "Can 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, "Can not get " NAME " format\n");
goto fail0;
}
err = waveformat_to_full_fmt (&wfx, &full_fmt);
if (err) {
goto fail0;
}
ds->first_time = 1;
hw->bufsize = bc.dwBufferBytes;
audio_pcm_init_info (
&hw->info,
full_fmt.freq,
full_fmt.nchannels,
full_fmt.fmt,
audio_need_to_swap_endian (0)
);
#ifdef DEBUG_DSOUND
dolog ("caps %ld, desc %ld\n",
bc.dwBufferBytes, bd.dwBufferBytes);
dolog ("bufsize %d, freq %d, chan %d, fmt %d\n",
hw->bufsize, full_fmt.freq, full_fmt.nchannels, full_fmt.fmt);
#endif
return 0;
fail0:
glue (dsound_fini_, TYPE) (hw);
return -1;
}
#undef NAME
#undef TYPE
#undef IFACE
#undef BUFPTR
#undef FIELD