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buffer.c
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/* DirectSound COM interface
*
* Copyright 2009 Maarten Lankhorst
*
* Some code taken from the original dsound-openal implementation
* Copyright 2007-2009 Chris Robinson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define CONST_VTABLE
#include <stdarg.h>
#include <string.h>
#include "windows.h"
#include "dsound.h"
#include "mmsystem.h"
#include "ks.h"
#include <devpropdef.h>
#include "dsound_private.h"
#ifndef DS_INCOMPLETE
#define DS_INCOMPLETE ((HRESULT)0x08780020)
#endif
#ifndef WAVE_FORMAT_IEEE_FLOAT
#define WAVE_FORMAT_IEEE_FLOAT 3
#endif
/* TODO: when bufferlost is set, return from all calls except initialize with
* DSERR_BUFFERLOST
*/
static IDirectSoundBuffer8Vtbl DSBuffer_Vtbl;
static IDirectSound3DBufferVtbl DSBuffer3d_Vtbl;
static IDirectSoundNotifyVtbl DSBufferNot_Vtbl;
static IKsPropertySetVtbl DSBufferProp_Vtbl;
static inline DSBuffer *impl_from_IDirectSoundBuffer8(IDirectSoundBuffer8 *iface)
{
return CONTAINING_RECORD(iface, DSBuffer, IDirectSoundBuffer8_iface);
}
static inline DSBuffer *impl_from_IDirectSoundBuffer(IDirectSoundBuffer *iface)
{
return CONTAINING_RECORD(iface, DSBuffer, IDirectSoundBuffer8_iface);
}
static inline DSBuffer *impl_from_IDirectSound3DBuffer(IDirectSound3DBuffer *iface)
{
return CONTAINING_RECORD(iface, DSBuffer, IDirectSound3DBuffer_iface);
}
static inline DSBuffer *impl_from_IDirectSoundNotify(IDirectSoundNotify *iface)
{
return CONTAINING_RECORD(iface, DSBuffer, IDirectSoundNotify_iface);
}
static inline DSBuffer *impl_from_IKsPropertySet(IKsPropertySet *iface)
{
return CONTAINING_RECORD(iface, DSBuffer, IKsPropertySet_iface);
}
/* Should be called with critsect held and context set.. */
static void DSBuffer_addnotify(DSBuffer *buf)
{
DSPrimary *prim = buf->primary;
DSBuffer **list;
DWORD i;
list = prim->notifies;
for(i = 0; i < prim->nnotifies; ++i)
{
if(buf == list[i])
{
ERR("Buffer %p already in notification list\n", buf);
return;
}
}
if(prim->nnotifies == prim->sizenotifies)
{
list = HeapReAlloc(GetProcessHeap(), 0, list, (prim->nnotifies + 1) * sizeof(*list));
if(!list) return;
prim->sizenotifies++;
}
list[prim->nnotifies++] = buf;
prim->notifies = list;
}
static const char *get_fmtstr_PCM(const DSPrimary *prim, const WAVEFORMATEX *format, WAVEFORMATEXTENSIBLE *out)
{
out->Format = *format;
out->Format.cbSize = 0;
if(out->Format.nChannels != 1 && out->Format.nChannels != 2 &&
!HAS_EXTENSION(prim->share, EXT_MCFORMATS))
{
WARN("Multi-channel not available\n");
return NULL;
}
if(format->wBitsPerSample == 8)
{
switch(format->nChannels)
{
case 1: return "AL_FORMAT_MONO8";
case 2: return "AL_FORMAT_STEREO8";
case 4: return "AL_FORMAT_QUAD8";
case 6: return "AL_FORMAT_51CHN8";
case 7: return "AL_FORMAT_61CHN8";
case 8: return "AL_FORMAT_71CHN8";
}
}
else if(format->wBitsPerSample == 16)
{
switch(format->nChannels)
{
case 1: return "AL_FORMAT_MONO16";
case 2: return "AL_FORMAT_STEREO16";
case 4: return "AL_FORMAT_QUAD16";
case 6: return "AL_FORMAT_51CHN16";
case 7: return "AL_FORMAT_61CHN16";
case 8: return "AL_FORMAT_71CHN16";
}
}
FIXME("Could not get OpenAL format (%d-bit, %d channels)\n",
format->wBitsPerSample, format->nChannels);
return NULL;
}
static const char *get_fmtstr_FLOAT(const DSPrimary *prim, const WAVEFORMATEX *format, WAVEFORMATEXTENSIBLE *out)
{
out->Format = *format;
out->Format.cbSize = 0;
if(out->Format.nChannels != 1 && out->Format.nChannels != 2 &&
!HAS_EXTENSION(prim->share, EXT_MCFORMATS))
{
WARN("Multi-channel not available\n");
return NULL;
}
if(format->wBitsPerSample == 32 && HAS_EXTENSION(prim->share, EXT_FLOAT32))
{
switch(format->nChannels)
{
case 1: return "AL_FORMAT_MONO_FLOAT32";
case 2: return "AL_FORMAT_STEREO_FLOAT32";
case 4: return "AL_FORMAT_QUAD32";
case 6: return "AL_FORMAT_51CHN32";
case 7: return "AL_FORMAT_61CHN32";
case 8: return "AL_FORMAT_71CHN32";
}
}
FIXME("Could not get OpenAL format (%d-bit, %d channels)\n",
format->wBitsPerSample, format->nChannels);
return NULL;
}
/* Speaker configs */
#define MONO SPEAKER_FRONT_CENTER
#define STEREO (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT)
#define REAR (SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
#define QUAD (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
#define X5DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
#define X6DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_CENTER|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
#define X7DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
static const char *get_fmtstr_EXT(const DSPrimary *prim, const WAVEFORMATEX *format, WAVEFORMATEXTENSIBLE *out)
{
*out = *CONTAINING_RECORD(format, const WAVEFORMATEXTENSIBLE, Format);
out->Format.cbSize = sizeof(*out) - sizeof(out->Format);
if(!out->Samples.wValidBitsPerSample)
out->Samples.wValidBitsPerSample = out->Format.wBitsPerSample;
else if(out->Samples.wValidBitsPerSample > out->Format.wBitsPerSample)
{
WARN("Invalid ValidBitsPerSample (%u > %u)\n", out->Samples.wValidBitsPerSample, out->Format.wBitsPerSample);
return NULL;
}
else if(out->Samples.wValidBitsPerSample < out->Format.wBitsPerSample)
{
FIXME("Padded samples not supported (%u of %u)\n", out->Samples.wValidBitsPerSample, out->Format.wBitsPerSample);
return NULL;
}
if(out->dwChannelMask != MONO && out->dwChannelMask != STEREO &&
!HAS_EXTENSION(prim->share, EXT_MCFORMATS))
{
WARN("Multi-channel not available\n");
return NULL;
}
if(IsEqualGUID(&out->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))
{
if(out->Samples.wValidBitsPerSample == 8)
{
switch(out->dwChannelMask)
{
case MONO: return "AL_FORMAT_MONO8";
case STEREO: return "AL_FORMAT_STEREO8";
case REAR: return "AL_FORMAT_REAR8";
case QUAD: return "AL_FORMAT_QUAD8";
case X5DOT1: return "AL_FORMAT_51CHN8";
case X6DOT1: return "AL_FORMAT_61CHN8";
case X7DOT1: return "AL_FORMAT_71CHN8";
}
}
else if(out->Samples.wValidBitsPerSample == 16)
{
switch(out->dwChannelMask)
{
case MONO: return "AL_FORMAT_MONO16";
case STEREO: return "AL_FORMAT_STEREO16";
case REAR: return "AL_FORMAT_REAR16";
case QUAD: return "AL_FORMAT_QUAD16";
case X5DOT1: return "AL_FORMAT_51CHN16";
case X6DOT1: return "AL_FORMAT_61CHN16";
case X7DOT1: return "AL_FORMAT_71CHN16";
}
}
FIXME("Could not get OpenAL PCM format (%d-bit, channelmask %#lx)\n",
out->Samples.wValidBitsPerSample, out->dwChannelMask);
return NULL;
}
else if(IsEqualGUID(&out->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT) &&
HAS_EXTENSION(prim->share, EXT_FLOAT32))
{
if(out->Samples.wValidBitsPerSample == 32)
{
switch(out->dwChannelMask)
{
case MONO: return "AL_FORMAT_MONO_FLOAT32";
case STEREO: return "AL_FORMAT_STEREO_FLOAT32";
case REAR: return "AL_FORMAT_REAR32";
case QUAD: return "AL_FORMAT_QUAD32";
case X5DOT1: return "AL_FORMAT_51CHN32";
case X6DOT1: return "AL_FORMAT_61CHN32";
case X7DOT1: return "AL_FORMAT_71CHN32";
}
}
else
{
WARN("Invalid float bits: %u\n", out->Samples.wValidBitsPerSample);
return NULL;
}
FIXME("Could not get OpenAL float format (%d-bit, channelmask %#lx)\n",
out->Samples.wValidBitsPerSample, out->dwChannelMask);
return NULL;
}
else if(!IsEqualGUID(&out->SubFormat, &GUID_NULL))
ERR("Unhandled extensible format: %s\n", debugstr_guid(&out->SubFormat));
return NULL;
}
static void DSData_Release(DSData *This);
static HRESULT DSData_Create(DSData **ppv, const DSBUFFERDESC *desc, DSPrimary *prim)
{
HRESULT hr = DSERR_INVALIDPARAM;
const WAVEFORMATEX *format;
const char *fmt_str = NULL;
DSData *pBuffer;
DWORD buf_size;
format = desc->lpwfxFormat;
TRACE("Requested buffer format:\n"
" FormatTag = 0x%04x\n"
" Channels = %d\n"
" SamplesPerSec = %lu\n"
" AvgBytesPerSec = %lu\n"
" BlockAlign = %d\n"
" BitsPerSample = %d\n",
format->wFormatTag, format->nChannels,
format->nSamplesPerSec, format->nAvgBytesPerSec,
format->nBlockAlign, format->wBitsPerSample);
if(format->nChannels <= 0)
{
WARN("Invalid Channels %d\n", format->nChannels);
return DSERR_INVALIDPARAM;
}
if(format->nSamplesPerSec < DSBFREQUENCY_MIN || format->nSamplesPerSec > DSBFREQUENCY_MAX)
{
WARN("Invalid SamplesPerSec %lu\n", format->nSamplesPerSec);
return DSERR_INVALIDPARAM;
}
if(format->nBlockAlign <= 0)
{
WARN("Invalid BlockAlign %d\n", format->nBlockAlign);
return DSERR_INVALIDPARAM;
}
if(format->wBitsPerSample == 0 || (format->wBitsPerSample%8) != 0)
{
WARN("Invalid BitsPerSample %d\n", format->wBitsPerSample);
return DSERR_INVALIDPARAM;
}
if(format->nBlockAlign != format->nChannels*format->wBitsPerSample/8)
{
WARN("Invalid BlockAlign %d (expected %u = %u*%u/8)\n",
format->nBlockAlign, format->nChannels*format->wBitsPerSample/8,
format->nChannels, format->wBitsPerSample);
return DSERR_INVALIDPARAM;
}
/* HACK: Some games provide an incorrect value here and expect to work.
* This is clearly not supposed to succeed with just anything, but until
* the amount of leeway allowed is discovered, be very lenient.
*/
if(format->nAvgBytesPerSec == 0)
{
WARN("Invalid AvgBytesPerSec %lu (expected %lu = %lu*%u)\n",
format->nAvgBytesPerSec, format->nSamplesPerSec*format->nBlockAlign,
format->nSamplesPerSec, format->nBlockAlign);
return DSERR_INVALIDPARAM;
}
if(format->nAvgBytesPerSec != format->nBlockAlign*format->nSamplesPerSec)
WARN("Unexpected AvgBytesPerSec %lu (expected %lu = %lu*%u)\n",
format->nAvgBytesPerSec, format->nSamplesPerSec*format->nBlockAlign,
format->nSamplesPerSec, format->nBlockAlign);
if((desc->dwFlags&(DSBCAPS_LOCSOFTWARE|DSBCAPS_LOCHARDWARE)) == (DSBCAPS_LOCSOFTWARE|DSBCAPS_LOCHARDWARE))
{
WARN("Hardware and software location requested\n");
return DSERR_INVALIDPARAM;
}
buf_size = desc->dwBufferBytes + format->nBlockAlign - 1;
buf_size -= buf_size%format->nBlockAlign;
if(buf_size < DSBSIZE_MIN) return DSERR_BUFFERTOOSMALL;
if(buf_size > DSBSIZE_MAX) return DSERR_INVALIDPARAM;
/* Generate a new buffer. Supporting the DSBCAPS_LOC* flags properly
* will need the EAX-RAM extension. Currently, we just tell the app it
* gets what it wanted. */
if(!HAS_EXTENSION(prim->share, SOFTX_MAP_BUFFER))
pBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pBuffer)+buf_size);
else
pBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pBuffer));
if(!pBuffer) return E_OUTOFMEMORY;
pBuffer->ref = 1;
pBuffer->primary = prim;
pBuffer->dsbflags = desc->dwFlags;
pBuffer->buf_size = buf_size;
if(format->wFormatTag == WAVE_FORMAT_PCM)
fmt_str = get_fmtstr_PCM(prim, format, &pBuffer->format);
else if(format->wFormatTag == WAVE_FORMAT_IEEE_FLOAT)
fmt_str = get_fmtstr_FLOAT(prim, format, &pBuffer->format);
else if(format->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
{
const WAVEFORMATEXTENSIBLE *wfe;
if(format->cbSize != sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX) &&
format->cbSize != sizeof(WAVEFORMATEXTENSIBLE))
goto fail;
wfe = CONTAINING_RECORD(format, const WAVEFORMATEXTENSIBLE, Format);
TRACE("Extensible values:\n"
" Samples = %d\n"
" ChannelMask = 0x%lx\n"
" SubFormat = %s\n",
wfe->Samples.wReserved, wfe->dwChannelMask,
debugstr_guid(&wfe->SubFormat));
fmt_str = get_fmtstr_EXT(prim, format, &pBuffer->format);
}
else
ERR("Unhandled formattag 0x%04x\n", format->wFormatTag);
if(!fmt_str) goto fail;
alGetError();
pBuffer->buf_format = alGetEnumValue(fmt_str);
if(alGetError() != AL_NO_ERROR || pBuffer->buf_format == 0 ||
pBuffer->buf_format == -1)
{
WARN("Could not get OpenAL format from %s\n", fmt_str);
goto fail;
}
hr = E_OUTOFMEMORY;
if(!HAS_EXTENSION(prim->share, SOFTX_MAP_BUFFER))
{
pBuffer->data = (BYTE*)(pBuffer+1);
alGenBuffers(1, &pBuffer->bid);
checkALError();
}
else
{
const ALbitfieldSOFT map_bits = AL_MAP_READ_BIT_SOFT | AL_MAP_WRITE_BIT_SOFT |
AL_MAP_PERSISTENT_BIT_SOFT;
alGenBuffers(1, &pBuffer->bid);
alBufferStorageSOFT(pBuffer->bid, pBuffer->buf_format, NULL, pBuffer->buf_size,
pBuffer->format.Format.nSamplesPerSec, map_bits);
pBuffer->data = alMapBufferSOFT(pBuffer->bid, 0, pBuffer->buf_size, map_bits);
checkALError();
if(!pBuffer->data) goto fail;
}
*ppv = pBuffer;
return S_OK;
fail:
DSData_Release(pBuffer);
return hr;
}
static void DSData_AddRef(DSData *data)
{
InterlockedIncrement(&data->ref);
}
/* This function is always called with the device lock held */
static void DSData_Release(DSData *This)
{
if(InterlockedDecrement(&This->ref)) return;
TRACE("Deleting %p\n", This);
if(This->bid)
{
DSPrimary *prim = This->primary;
if(HAS_EXTENSION(prim->share, SOFTX_MAP_BUFFER))
alUnmapBufferSOFT(This->bid);
alDeleteBuffers(1, &This->bid);
checkALError();
}
HeapFree(GetProcessHeap(), 0, This);
}
HRESULT DSBuffer_Create(DSBuffer **ppv, DSPrimary *prim, IDirectSoundBuffer *orig)
{
DSBuffer *This = NULL;
DWORD i;
*ppv = NULL;
EnterCriticalSection(&prim->share->crst);
for(i = 0;i < prim->NumBufferGroups;++i)
{
if(prim->BufferGroups[i].FreeBuffers)
{
int idx = CTZ64(prim->BufferGroups[i].FreeBuffers);
This = prim->BufferGroups[i].Buffers + idx;
memset(This, 0, sizeof(*This));
prim->BufferGroups[i].FreeBuffers &= ~(U64(1) << idx);
break;
}
}
if(!This)
{
struct DSBufferGroup *grp = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
(prim->NumBufferGroups+1)*sizeof(prim->BufferGroups[0]));
if(grp)
{
for(i = 0;i < prim->NumBufferGroups;i++)
grp[i] = prim->BufferGroups[i];
grp[i].FreeBuffers = ~U64(0);
grp[i].Buffers = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
64*sizeof(grp[0].Buffers[0]));
if(!grp[i].Buffers)
{
HeapFree(GetProcessHeap(), 0, grp);
grp = NULL;
}
else
{
HeapFree(GetProcessHeap(), 0, prim->BufferGroups);
prim->BufferGroups = grp;
prim->NumBufferGroups++;
This = prim->BufferGroups[i].Buffers + 0;
memset(This, 0, sizeof(*This));
prim->BufferGroups[i].FreeBuffers &= ~(U64(1) << 0);
}
}
}
LeaveCriticalSection(&prim->share->crst);
if(!This)
{
WARN("Out of memory allocating buffers\n");
return DSERR_OUTOFMEMORY;
}
This->IDirectSoundBuffer8_iface.lpVtbl = &DSBuffer_Vtbl;
This->IDirectSound3DBuffer_iface.lpVtbl = &DSBuffer3d_Vtbl;
This->IDirectSoundNotify_iface.lpVtbl = &DSBufferNot_Vtbl;
This->IKsPropertySet_iface.lpVtbl = &DSBufferProp_Vtbl;
This->share = prim->share;
This->primary = prim;
This->ctx = prim->ctx;
This->current.vol = 0;
This->current.pan = 0;
This->current.frequency = 0;
This->current.ds3d.dwSize = sizeof(This->current.ds3d);
This->current.ds3d.vPosition.x = 0.0f;
This->current.ds3d.vPosition.y = 0.0f;
This->current.ds3d.vPosition.z = 0.0f;
This->current.ds3d.vVelocity.x = 0.0f;
This->current.ds3d.vVelocity.y = 0.0f;
This->current.ds3d.vVelocity.z = 0.0f;
This->current.ds3d.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
This->current.ds3d.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
This->current.ds3d.vConeOrientation.x = 0.0f;
This->current.ds3d.vConeOrientation.y = 0.0f;
This->current.ds3d.vConeOrientation.z = 1.0f;
This->current.ds3d.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
This->current.ds3d.flMinDistance = DS3D_DEFAULTMINDISTANCE;
This->current.ds3d.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
This->current.ds3d.dwMode = DS3DMODE_NORMAL;
if(orig)
{
DSBuffer *org = impl_from_IDirectSoundBuffer(orig);
DSData *data = org->buffer;
if(org->bufferlost)
{
DSBuffer_Destroy(This);
return DSERR_BUFFERLOST;
}
DSData_AddRef(data);
This->buffer = data;
/* According to MSDN, volume isn't copied. */
if((data->dsbflags&DSBCAPS_CTRLPAN))
This->current.pan = org->current.pan;
if((data->dsbflags&DSBCAPS_CTRLFREQUENCY))
This->current.frequency = org->current.frequency;
if((data->dsbflags&DSBCAPS_CTRL3D))
This->current.ds3d = org->current.ds3d;
}
This->deferred.ds3d = This->current.ds3d;
This->vm_voicepriority = (DWORD)-1;
*ppv = This;
return DS_OK;
}
void DSBuffer_Destroy(DSBuffer *This)
{
DSPrimary *prim = This->primary;
DWORD i;
if(!prim) return;
TRACE("Destroying %p\n", This);
EnterCriticalSection(&prim->share->crst);
/* Remove from list, if in list */
for(i = 0;i < prim->nnotifies;++i)
{
if(This == prim->notifies[i])
{
prim->notifies[i] = prim->notifies[--prim->nnotifies];
break;
}
}
setALContext(This->ctx);
if(This->source)
{
DeviceShare *share = This->share;
alDeleteSources(1, &This->source);
This->source = 0;
checkALError();
if(This->loc_status == DSBSTATUS_LOCHARDWARE)
share->sources.availhw_num += 1;
else
share->sources.availsw_num += 1;
}
if(This->stream_bids[0])
alDeleteBuffers(QBUFFERS, This->stream_bids);
if(This->buffer)
DSData_Release(This->buffer);
popALContext();
HeapFree(GetProcessHeap(), 0, This->notify);
for(i = 0;i < prim->NumBufferGroups;++i)
{
DWORD_PTR idx = This - prim->BufferGroups[i].Buffers;
if(idx < 64)
{
prim->BufferGroups[i].FreeBuffers |= U64(1) << idx;
This = NULL;
break;
}
}
LeaveCriticalSection(&prim->share->crst);
}
HRESULT DSBuffer_GetInterface(DSBuffer *buf, REFIID riid, void **ppv)
{
*ppv = NULL;
if(IsEqualIID(riid, &IID_IDirectSoundBuffer))
*ppv = &buf->IDirectSoundBuffer8_iface;
else if(IsEqualIID(riid, &IID_IDirectSoundBuffer8))
{
if(buf->primary->parent->is_8)
*ppv = &buf->IDirectSoundBuffer8_iface;
}
else if(IsEqualIID(riid, &IID_IDirectSound3DBuffer))
{
if((buf->buffer->dsbflags&DSBCAPS_CTRL3D))
*ppv = &buf->IDirectSound3DBuffer_iface;
}
else if(IsEqualIID(riid, &IID_IDirectSoundNotify))
{
if((buf->buffer->dsbflags&DSBCAPS_CTRLPOSITIONNOTIFY))
*ppv = &buf->IDirectSoundNotify_iface;
}
else if(IsEqualIID(riid, &IID_IKsPropertySet))
*ppv = &buf->IKsPropertySet_iface;
else if(IsEqualIID(riid, &IID_IUnknown))
*ppv = &buf->IDirectSoundBuffer8_iface;
else
FIXME("Unhandled GUID: %s\n", debugstr_guid(riid));
if(*ppv)
{
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
return E_NOINTERFACE;
}
static HRESULT DSBuffer_SetLoc(DSBuffer *buf, DWORD loc_status)
{
DeviceShare *share = buf->share;
DSData *data = buf->buffer;
if((loc_status && buf->loc_status == loc_status) || (!loc_status && buf->loc_status))
return DS_OK;
/* If we have a source, we're changing location, so return the source we
* have to get a new one.
*/
if(buf->source)
{
alDeleteSources(1, &buf->source);
buf->source = 0;
checkALError();
if(buf->loc_status == DSBSTATUS_LOCHARDWARE)
share->sources.availhw_num += 1;
else
share->sources.availsw_num += 1;
}
buf->loc_status = 0;
if(!loc_status)
{
if(share->sources.availhw_num)
loc_status = DSBSTATUS_LOCHARDWARE;
else if(share->sources.availsw_num)
loc_status = DSBSTATUS_LOCSOFTWARE;
}
if((loc_status == DSBSTATUS_LOCHARDWARE && !share->sources.availhw_num) ||
(loc_status == DSBSTATUS_LOCSOFTWARE && !share->sources.availsw_num) ||
!loc_status)
{
ERR("Out of %s sources\n",
(loc_status == DSBSTATUS_LOCHARDWARE) ? "hardware" :
(loc_status == DSBSTATUS_LOCSOFTWARE) ? "software" : "any"
);
return DSERR_ALLOCATED;
}
if(loc_status == DSBSTATUS_LOCHARDWARE)
share->sources.availhw_num -= 1;
else
share->sources.availsw_num -= 1;
alGenSources(1, &buf->source);
alSourcef(buf->source, AL_GAIN, mB_to_gain((float)buf->current.vol));
alSourcef(buf->source, AL_PITCH,
buf->current.frequency ? (float)buf->current.frequency/data->format.Format.nSamplesPerSec
: 1.0f);
checkALError();
/* TODO: Don't set EAX parameters or connect to effect slots for software
* buffers. Need to check if EAX buffer properties are still tracked, or if
* they're lost/reset when leaving hardware.
*
* Alternatively, we can just allow it and say software processing supports
* EAX too. Depends if apps may get upset over that.
*/
if((data->dsbflags&DSBCAPS_CTRL3D))
{
const DSPrimary *prim = buf->primary;
const ALuint source = buf->source;
const DS3DBUFFER *params = &buf->current.ds3d;
alSource3f(source, AL_POSITION, params->vPosition.x, params->vPosition.y,
-params->vPosition.z);
alSource3f(source, AL_VELOCITY, params->vVelocity.x, params->vVelocity.y,
-params->vVelocity.z);
alSourcei(source, AL_CONE_INNER_ANGLE, params->dwInsideConeAngle);
alSourcei(source, AL_CONE_OUTER_ANGLE, params->dwOutsideConeAngle);
alSource3f(source, AL_DIRECTION, params->vConeOrientation.x,
params->vConeOrientation.y,
-params->vConeOrientation.z);
alSourcef(source, AL_CONE_OUTER_GAIN, mB_to_gain((float)params->lConeOutsideVolume));
alSourcef(source, AL_REFERENCE_DISTANCE, params->flMinDistance);
alSourcef(source, AL_MAX_DISTANCE, params->flMaxDistance);
if(HAS_EXTENSION(share, SOFT_SOURCE_SPATIALIZE))
alSourcei(source, AL_SOURCE_SPATIALIZE_SOFT,
(params->dwMode==DS3DMODE_DISABLE) ? AL_FALSE : AL_TRUE
);
alSourcei(source, AL_SOURCE_RELATIVE,
(params->dwMode!=DS3DMODE_NORMAL) ? AL_TRUE : AL_FALSE
);
alSourcef(source, AL_ROLLOFF_FACTOR, prim->current.ds3d.flRolloffFactor);
checkALError();
}
else
{
const ALuint source = buf->source;
const ALfloat x = (ALfloat)(buf->current.pan-DSBPAN_LEFT)/(DSBPAN_RIGHT-DSBPAN_LEFT) -
0.5f;
alSource3f(source, AL_POSITION, x, 0.0f, -sqrtf(1.0f - x*x));
alSource3f(source, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
alSource3f(source, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
alSourcef(source, AL_CONE_OUTER_GAIN, 1.0f);
alSourcef(source, AL_REFERENCE_DISTANCE, 1.0f);
alSourcef(source, AL_MAX_DISTANCE, 1000.0f);
alSourcef(source, AL_ROLLOFF_FACTOR, 0.0f);
alSourcef(source, AL_DOPPLER_FACTOR, 0.0f);
alSourcei(source, AL_CONE_INNER_ANGLE, 360);
alSourcei(source, AL_CONE_OUTER_ANGLE, 360);
alSourcei(source, AL_SOURCE_RELATIVE, AL_TRUE);
if(HAS_EXTENSION(share, SOFT_SOURCE_SPATIALIZE))
{
/* Set to auto so panning works for mono, and multi-channel works
* as expected.
*/
alSourcei(source, AL_SOURCE_SPATIALIZE_SOFT, AL_AUTO_SOFT);
}
if(HAS_EXTENSION(share, EXT_EAX))
{
static const GUID NullSlots[EAX_MAX_ACTIVE_FXSLOTS] = { { 0 } };
EAXSet(&EAXPROPERTYID_EAX40_Source, EAXSOURCE_ACTIVEFXSLOTID, source, (void*)NullSlots,
sizeof(NullSlots));
}
checkALError();
}
buf->loc_status = loc_status;
return DS_OK;
}
static HRESULT WINAPI DSBuffer_QueryInterface(IDirectSoundBuffer8 *iface, REFIID riid, void **ppv)
{
DSBuffer *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
return DSBuffer_GetInterface(This, riid, ppv);
}
static ULONG WINAPI DSBuffer_AddRef(IDirectSoundBuffer8 *iface)
{
DSBuffer *This = impl_from_IDirectSoundBuffer8(iface);
LONG ret;
InterlockedIncrement(&This->all_ref);
ret = InterlockedIncrement(&This->ref);
TRACE("(%p) ref %lu\n", iface, ret);
return ret;
}
static ULONG WINAPI DSBuffer_Release(IDirectSoundBuffer8 *iface)
{
DSBuffer *This = impl_from_IDirectSoundBuffer8(iface);
LONG ret;
ret = InterlockedDecrement(&This->ref);
TRACE("(%p) ref %lu\n", iface, ret);
if(InterlockedDecrement(&This->all_ref) == 0)
DSBuffer_Destroy(This);
return ret;
}
static HRESULT WINAPI DSBuffer_GetCaps(IDirectSoundBuffer8 *iface, DSBCAPS *caps)
{
DSBuffer *This = impl_from_IDirectSoundBuffer8(iface);
DSData *data;
TRACE("(%p)->(%p)\n", iface, caps);
if(!caps || caps->dwSize < sizeof(*caps))
{
WARN("Invalid DSBCAPS (%p, %lu)\n", caps, (caps ? caps->dwSize : 0));
return DSERR_INVALIDPARAM;
}
data = This->buffer;
caps->dwFlags = data->dsbflags;
if(!(data->dsbflags&DSBCAPS_LOCDEFER))
{
if(This->loc_status == DSBSTATUS_LOCHARDWARE)
caps->dwFlags |= DSBCAPS_LOCHARDWARE;
else if(This->loc_status == DSBSTATUS_LOCSOFTWARE)
caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
}
caps->dwBufferBytes = data->buf_size;
caps->dwUnlockTransferRate = 4096;
caps->dwPlayCpuOverhead = 0;
return S_OK;
}
HRESULT WINAPI DSBuffer_GetCurrentPosition(IDirectSoundBuffer8 *iface, DWORD *playpos, DWORD *curpos)
{
DSBuffer *This = impl_from_IDirectSoundBuffer8(iface);
ALsizei writecursor, pos;
DSData *data;
TRACE("(%p)->(%p, %p)\n", iface, playpos, curpos);
data = This->buffer;
if(This->segsize != 0)
{
ALint queued = QBUFFERS;
ALint status = AL_INITIAL;
ALint ofs = 0;
EnterCriticalSection(&This->share->crst);
if(LIKELY(This->source))
{
setALContext(This->ctx);
alGetSourcei(This->source, AL_BUFFERS_QUEUED, &queued);
alGetSourcei(This->source, AL_BYTE_OFFSET, &ofs);
alGetSourcei(This->source, AL_SOURCE_STATE, &status);
checkALError();
popALContext();
}
if(status == AL_STOPPED)
pos = This->segsize*queued + This->queue_base;
else
pos = ofs + This->queue_base;
if(pos >= data->buf_size)
{
if(This->islooping)
pos %= data->buf_size;
else if(This->isplaying)
{
pos = data->buf_size;
alSourceStop(This->source);
alSourcei(This->source, AL_BUFFER, 0);
This->curidx = 0;
This->isplaying = FALSE;
}
}
if(This->isplaying)
writecursor = (This->segsize*QBUFFERS + pos) % data->buf_size;
else
writecursor = pos % data->buf_size;
LeaveCriticalSection(&This->share->crst);
}
else
{
const WAVEFORMATEX *format = &data->format.Format;
ALint status = AL_INITIAL;
ALint ofs = 0;
if(LIKELY(This->source))
{
setALContext(This->ctx);
alGetSourcei(This->source, AL_BYTE_OFFSET, &ofs);
alGetSourcei(This->source, AL_SOURCE_STATE, &status);
checkALError();
popALContext();
}
if(status == AL_PLAYING)
{
pos = ofs;
writecursor = format->nSamplesPerSec / This->primary->refresh;
writecursor *= format->nBlockAlign;
}
else
{
/* AL_STOPPED means the source naturally reached its end, where
* DirectSound's position should be at the end (OpenAL reports 0
* for stopped sources). The Stop method correlates to pausing,
* which would put the source into an AL_PAUSED state and correctly
* hold its current position. AL_INITIAL means the buffer hasn't
* been played since last changing location.
*/
switch(status)
{
case AL_STOPPED: pos = data->buf_size; break;
case AL_PAUSED: pos = ofs; break;
case AL_INITIAL: pos = This->lastpos; break;
default: pos = 0;
}
writecursor = 0;
}
writecursor = (writecursor + pos) % data->buf_size;
}
TRACE("%p Play pos = %u, write pos = %u\n", This, pos, writecursor);
if(pos > data->buf_size)
{
ERR("playpos > buf_size\n");
pos %= data->buf_size;
}
if(writecursor >= data->buf_size)
{
ERR("writepos >= buf_size\n");
writecursor %= data->buf_size;
}
if(playpos) *playpos = pos;
if(curpos) *curpos = writecursor;
return S_OK;
}
static HRESULT WINAPI DSBuffer_GetFormat(IDirectSoundBuffer8 *iface, WAVEFORMATEX *wfx, DWORD allocated, DWORD *written)
{
DSBuffer *This = impl_from_IDirectSoundBuffer8(iface);
HRESULT hr = S_OK;
UINT size;
TRACE("(%p)->(%p, %lu, %p)\n", iface, wfx, allocated, written);
if(!wfx && !written)
{
WARN("Cannot report format or format size\n");
return DSERR_INVALIDPARAM;
}
size = sizeof(This->buffer->format.Format) + This->buffer->format.Format.cbSize;
if(wfx)
{
if(allocated < size)
hr = DSERR_INVALIDPARAM;
else
memcpy(wfx, &This->buffer->format.Format, size);
}
if(written)
*written = size;
return hr;
}
static HRESULT WINAPI DSBuffer_GetVolume(IDirectSoundBuffer8 *iface, LONG *vol)
{
DSBuffer *This = impl_from_IDirectSoundBuffer8(iface);
HRESULT hr;
TRACE("(%p)->(%p)\n", iface, vol);
if(!vol)
{
WARN("Invalid pointer\n");
return DSERR_INVALIDPARAM;
}
hr = DSERR_CONTROLUNAVAIL;
if(!(This->buffer->dsbflags&DSBCAPS_CTRLVOLUME))