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primary.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 "dsound_private.h"
#include "eax-presets.h"
#ifndef E_PROP_ID_UNSUPPORTED
#define E_PROP_ID_UNSUPPORTED ((HRESULT)0x80070490)
#endif
static IDirectSoundBufferVtbl DSPrimary_Vtbl;
static IDirectSound3DListenerVtbl DSPrimary3D_Vtbl;
static IKsPropertySetVtbl DSPrimaryProp_Vtbl;
static void DSPrimary_SetParams(DSPrimary *This, const DS3DLISTENER *params, LONG flags);
static inline DSPrimary *impl_from_IDirectSoundBuffer(IDirectSoundBuffer *iface)
{
return CONTAINING_RECORD(iface, DSPrimary, IDirectSoundBuffer_iface);
}
static inline DSPrimary *impl_from_IDirectSound3DListener(IDirectSound3DListener *iface)
{
return CONTAINING_RECORD(iface, DSPrimary, IDirectSound3DListener_iface);
}
static inline DSPrimary *impl_from_IKsPropertySet(IKsPropertySet *iface)
{
return CONTAINING_RECORD(iface, DSPrimary, IKsPropertySet_iface);
}
static void trigger_elapsed_notifies(DSBuffer *buf, DWORD lastpos, DWORD curpos)
{
DSBPOSITIONNOTIFY *not = buf->notify;
DSBPOSITIONNOTIFY *not_end = not + buf->nnotify;
for(;not != not_end;++not)
{
HANDLE event = not->hEventNotify;
DWORD ofs = not->dwOffset;
if(ofs == (DWORD)DSBPN_OFFSETSTOP)
continue;
if(curpos < lastpos) /* Wraparound case */
{
if(ofs < curpos || ofs >= lastpos)
{
TRACE("Triggering notification %d from buffer %p\n", (int)(not-buf->notify), buf);
SetEvent(event);
}
}
else if(ofs >= lastpos && ofs < curpos) /* Normal case */
{
TRACE("Triggering notification %d from buffer %p\n", (int)(not-buf->notify), buf);
SetEvent(event);
}
}
}
static void trigger_stop_notifies(DSBuffer *buf)
{
DSBPOSITIONNOTIFY *not = buf->notify;
DSBPOSITIONNOTIFY *not_end = not + buf->nnotify;
for(;not != not_end;++not)
{
if(not->dwOffset != (DWORD)DSBPN_OFFSETSTOP)
continue;
TRACE("Triggering notification %d from buffer %p\n", (int)(not-buf->notify), buf);
SetEvent(not->hEventNotify);
}
}
void DSPrimary_triggernots(DSPrimary *prim)
{
DSBuffer **curnot, **endnot;
curnot = prim->notifies;
endnot = curnot + prim->nnotifies;
while(curnot != endnot)
{
DSBuffer *buf = *curnot;
DSData *data = buf->buffer;
DWORD curpos = buf->lastpos;
ALint state = 0;
ALint ofs;
alGetSourcei(buf->source, AL_BYTE_OFFSET, &ofs);
alGetSourcei(buf->source, AL_SOURCE_STATE, &state);
if(buf->segsize == 0)
curpos = (state == AL_STOPPED) ? data->buf_size : ofs;
else
{
if(state != AL_STOPPED)
curpos = ofs + buf->queue_base;
else
{
ALint queued;
alGetSourcei(buf->source, AL_BUFFERS_QUEUED, &queued);
curpos = buf->segsize*queued + buf->queue_base;
}
if(curpos >= (DWORD)data->buf_size)
{
if(buf->islooping)
curpos %= (DWORD)data->buf_size;
else if(buf->isplaying)
{
curpos = data->buf_size;
alSourceStop(buf->source);
alSourcei(buf->source, AL_BUFFER, 0);
buf->curidx = 0;
buf->isplaying = FALSE;
}
}
if(state != AL_PLAYING)
state = buf->isplaying ? AL_PLAYING : AL_PAUSED;
}
checkALError();
if(buf->lastpos != curpos)
{
trigger_elapsed_notifies(buf, buf->lastpos, curpos);
buf->lastpos = curpos;
}
if(state != AL_PLAYING)
{
/* Remove this buffer from list and put another at the current
* position; don't increment i
*/
trigger_stop_notifies(buf);
*curnot = *(--endnot);
prim->nnotifies--;
continue;
}
curnot++;
}
checkALError();
}
static void do_buffer_stream(DSBuffer *buf, BYTE *scratch_mem)
{
DSData *data = buf->buffer;
ALint ofs, done = 0, queued = QBUFFERS, state = AL_PLAYING;
ALuint which;
alGetSourcei(buf->source, AL_BUFFERS_QUEUED, &queued);
alGetSourcei(buf->source, AL_SOURCE_STATE, &state);
alGetSourcei(buf->source, AL_BUFFERS_PROCESSED, &done);
if(done > 0)
{
ALuint bids[QBUFFERS];
queued -= done;
alSourceUnqueueBuffers(buf->source, done, bids);
buf->queue_base = (buf->queue_base + buf->segsize*done) % data->buf_size;
}
while(queued < QBUFFERS)
{
which = buf->stream_bids[buf->curidx];
ofs = buf->data_offset;
if(buf->segsize < data->buf_size - ofs)
{
alBufferData(which, data->buf_format, data->data + ofs, buf->segsize,
data->format.Format.nSamplesPerSec);
buf->data_offset = ofs + buf->segsize;
}
else if(buf->islooping)
{
ALsizei rem = data->buf_size - ofs;
if(rem > 2048) rem = 2048;
memcpy(scratch_mem, data->data + ofs, rem);
while(rem < buf->segsize)
{
ALsizei todo = buf->segsize - rem;
if(todo > data->buf_size)
todo = data->buf_size;
memcpy(scratch_mem + rem, data->data, todo);
rem += todo;
}
alBufferData(which, data->buf_format, scratch_mem, buf->segsize,
data->format.Format.nSamplesPerSec);
buf->data_offset = (ofs+buf->segsize) % data->buf_size;
}
else
{
ALsizei rem = data->buf_size - ofs;
if(rem > 2048) rem = 2048;
if(rem == 0) break;
memcpy(scratch_mem, data->data + ofs, rem);
memset(scratch_mem+rem, (data->format.Format.wBitsPerSample==8) ? 128 : 0,
buf->segsize - rem);
alBufferData(which, data->buf_format, scratch_mem, buf->segsize,
data->format.Format.nSamplesPerSec);
buf->data_offset = data->buf_size;
}
alSourceQueueBuffers(buf->source, 1, &which);
buf->curidx = (buf->curidx+1)%QBUFFERS;
queued++;
}
if(!queued)
{
buf->data_offset = 0;
buf->queue_base = data->buf_size;
buf->curidx = 0;
buf->isplaying = FALSE;
}
else if(state != AL_PLAYING)
alSourcePlay(buf->source);
}
void DSPrimary_streamfeeder(DSPrimary *prim, BYTE *scratch_mem)
{
/* OpenAL doesn't support our lovely buffer extensions so just make sure
* enough buffers are queued for streaming
*/
if(prim->write_emu)
{
DSBuffer *buf = CONTAINING_RECORD(prim->write_emu, DSBuffer, IDirectSoundBuffer8_iface);
if(buf->segsize != 0 && buf->isplaying)
do_buffer_stream(buf, scratch_mem);
}
else
{
struct DSBufferGroup *bufgroup = prim->BufferGroups;
struct DSBufferGroup *endgroup = bufgroup + prim->NumBufferGroups;
for(;bufgroup != endgroup;++bufgroup)
{
DWORD64 usemask = ~bufgroup->FreeBuffers;
while(usemask)
{
int idx = CTZ64(usemask);
DSBuffer *buf = bufgroup->Buffers + idx;
usemask &= ~(U64(1) << idx);
if(buf->segsize != 0 && buf->isplaying)
do_buffer_stream(buf, scratch_mem);
}
}
}
checkALError();
}
HRESULT DSPrimary_PreInit(DSPrimary *This, DSDevice *parent)
{
WAVEFORMATEX *wfx;
DWORD num_srcs;
DWORD count;
HRESULT hr;
DWORD i;
This->IDirectSoundBuffer_iface.lpVtbl = &DSPrimary_Vtbl;
This->IDirectSound3DListener_iface.lpVtbl = &DSPrimary3D_Vtbl;
This->IKsPropertySet_iface.lpVtbl = &DSPrimaryProp_Vtbl;
This->parent = parent;
This->share = parent->share;
This->ctx = parent->share->ctx;
This->refresh = parent->share->refresh;
wfx = &This->format.Format;
wfx->wFormatTag = WAVE_FORMAT_PCM;
wfx->nChannels = 2;
wfx->wBitsPerSample = 8;
wfx->nSamplesPerSec = 22050;
wfx->nBlockAlign = wfx->wBitsPerSample * wfx->nChannels / 8;
wfx->nAvgBytesPerSec = wfx->nSamplesPerSec * wfx->nBlockAlign;
wfx->cbSize = 0;
This->stopped = TRUE;
/* Apparently primary buffer size is always 32k,
* tested on windows with 192k 24 bits sound @ 6 channels
* where it will run out in 60 ms and it isn't pointer aligned
*/
This->buf_size = 32768;
num_srcs = This->share->sources.maxhw_alloc + This->share->sources.maxsw_alloc;
hr = DSERR_OUTOFMEMORY;
This->notifies = HeapAlloc(GetProcessHeap(), 0, num_srcs*sizeof(*This->notifies));
if(!This->notifies) goto fail;
This->sizenotifies = num_srcs;
count = (MAX_HWBUFFERS+63) / 64;
This->BufferGroups = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
count*sizeof(*This->BufferGroups));
if(!This->BufferGroups) goto fail;
for(i = 0;i < count;++i)
{
This->BufferGroups[i].Buffers = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
64*sizeof(This->BufferGroups[0].Buffers[0]));
if(!This->BufferGroups[i].Buffers)
{
while(i > 0)
HeapFree(GetProcessHeap(), 0, This->BufferGroups[--i].Buffers);
HeapFree(GetProcessHeap(), 0, This->BufferGroups);
This->BufferGroups = NULL;
goto fail;
}
This->BufferGroups[i].FreeBuffers = ~(DWORD64)0;
}
This->NumBufferGroups = count;
return S_OK;
fail:
DSPrimary_Clear(This);
return hr;
}
void DSPrimary_Clear(DSPrimary *This)
{
struct DSBufferGroup *bufgroup;
DWORD i;
if(!This->parent)
return;
bufgroup = This->BufferGroups;
for(i = 0;i < This->NumBufferGroups;++i)
{
DWORD64 usemask = ~bufgroup[i].FreeBuffers;
while(usemask)
{
int idx = CTZ64(usemask);
DSBuffer *buf = bufgroup[i].Buffers + idx;
usemask &= ~(U64(1) << idx);
DSBuffer_Destroy(buf);
}
HeapFree(GetProcessHeap(), 0, This->BufferGroups[i].Buffers);
}
HeapFree(GetProcessHeap(), 0, This->BufferGroups);
HeapFree(GetProcessHeap(), 0, This->notifies);
memset(This, 0, sizeof(*This));
}
static HRESULT WINAPI DSPrimary_QueryInterface(IDirectSoundBuffer *iface, REFIID riid, LPVOID *ppv)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
*ppv = NULL;
if(IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDirectSoundBuffer))
*ppv = &This->IDirectSoundBuffer_iface;
else if(IsEqualIID(riid, &IID_IDirectSound3DListener))
{
if((This->flags&DSBCAPS_CTRL3D))
*ppv = &This->IDirectSound3DListener_iface;
}
else if(IsEqualIID(riid, &IID_IKsPropertySet))
*ppv = &This->IKsPropertySet_iface;
else
FIXME("Unhandled GUID: %s\n", debugstr_guid(riid));
if(*ppv)
{
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI DSPrimary_AddRef(IDirectSoundBuffer *iface)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
LONG ret;
ret = InterlockedIncrement(&This->ref);
if(ret == 1) This->flags = 0;
TRACE("(%p) ref %lu\n", iface, ret);
return ret;
}
static ULONG WINAPI DSPrimary_Release(IDirectSoundBuffer *iface)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
LONG ref, oldval;
oldval = *(volatile LONG*)&This->ref;
do {
ref = oldval;
if(ref)
{
--ref;
oldval = InterlockedCompareExchange(&This->ref, ref, ref+1)-1;
}
} while(oldval != ref);
TRACE("(%p) ref %lu\n", iface, ref);
return ref;
}
static HRESULT WINAPI DSPrimary_GetCaps(IDirectSoundBuffer *iface, DSBCAPS *caps)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
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;
}
caps->dwFlags = This->flags;
caps->dwBufferBytes = This->buf_size;
caps->dwUnlockTransferRate = 0;
caps->dwPlayCpuOverhead = 0;
return DS_OK;
}
static HRESULT WINAPI DSPrimary_GetCurrentPosition(IDirectSoundBuffer *iface, DWORD *playpos, DWORD *curpos)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = DSERR_PRIOLEVELNEEDED;
EnterCriticalSection(&This->share->crst);
if(This->write_emu)
hr = IDirectSoundBuffer_GetCurrentPosition(This->write_emu, playpos, curpos);
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_GetFormat(IDirectSoundBuffer *iface, WAVEFORMATEX *wfx, DWORD allocated, DWORD *written)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = S_OK;
UINT size;
if(!wfx && !written)
{
WARN("Cannot report format or format size\n");
return DSERR_INVALIDPARAM;
}
EnterCriticalSection(&This->share->crst);
size = sizeof(This->format.Format) + This->format.Format.cbSize;
if(written)
*written = size;
if(wfx)
{
if(allocated < size)
hr = DSERR_INVALIDPARAM;
else
memcpy(wfx, &This->format.Format, size);
}
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_GetVolume(IDirectSoundBuffer *iface, LONG *volume)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
ALfloat gain;
TRACE("(%p)->(%p)\n", iface, volume);
if(!volume)
return DSERR_INVALIDPARAM;
*volume = 0;
if(!(This->flags&DSBCAPS_CTRLVOLUME))
return DSERR_CONTROLUNAVAIL;
setALContext(This->ctx);
alGetListenerf(AL_GAIN, &gain);
checkALError();
popALContext();
*volume = clampI(gain_to_mB(gain), DSBVOLUME_MIN, DSBVOLUME_MAX);
return DS_OK;
}
static HRESULT WINAPI DSPrimary_GetPan(IDirectSoundBuffer *iface, LONG *pan)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = DS_OK;
WARN("(%p)->(%p): semi-stub\n", iface, pan);
if(!pan)
return DSERR_INVALIDPARAM;
EnterCriticalSection(&This->share->crst);
if(This->write_emu)
hr = IDirectSoundBuffer_GetPan(This->write_emu, pan);
else if(!(This->flags & DSBCAPS_CTRLPAN))
hr = DSERR_CONTROLUNAVAIL;
else
*pan = 0;
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_GetFrequency(IDirectSoundBuffer *iface, DWORD *freq)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = DS_OK;
WARN("(%p)->(%p): semi-stub\n", iface, freq);
if(!freq)
return DSERR_INVALIDPARAM;
if(!(This->flags&DSBCAPS_CTRLFREQUENCY))
return DSERR_CONTROLUNAVAIL;
EnterCriticalSection(&This->share->crst);
*freq = This->format.Format.nSamplesPerSec;
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_GetStatus(IDirectSoundBuffer *iface, DWORD *status)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
TRACE("(%p)->(%p)\n", iface, status);
if(!status)
return DSERR_INVALIDPARAM;
EnterCriticalSection(&This->share->crst);
*status = DSBSTATUS_PLAYING|DSBSTATUS_LOOPING;
if((This->flags&DSBCAPS_LOCDEFER))
*status |= DSBSTATUS_LOCHARDWARE;
if(This->stopped)
{
struct DSBufferGroup *bufgroup = This->BufferGroups;
DWORD i, state = 0;
HRESULT hr;
for(i = 0;i < This->NumBufferGroups;++i)
{
DWORD64 usemask = ~bufgroup[i].FreeBuffers;
while(usemask)
{
int idx = CTZ64(usemask);
DSBuffer *buf = bufgroup[i].Buffers + idx;
usemask &= ~(U64(1) << idx);
hr = DSBuffer_GetStatus(&buf->IDirectSoundBuffer8_iface, &state);
if(SUCCEEDED(hr) && (state&DSBSTATUS_PLAYING)) break;
}
}
if(!(state&DSBSTATUS_PLAYING))
{
/* Primary stopped and no buffers playing.. */
*status = 0;
}
}
LeaveCriticalSection(&This->share->crst);
return DS_OK;
}
HRESULT WINAPI DSPrimary_Initialize(IDirectSoundBuffer *iface, IDirectSound *ds, const DSBUFFERDESC *desc)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr;
TRACE("(%p)->(%p, %p)\n", iface, ds, desc);
if(!desc || desc->lpwfxFormat || desc->dwBufferBytes)
{
WARN("Bad DSBDESC for primary buffer\n");
return DSERR_INVALIDPARAM;
}
if((desc->dwFlags&DSBCAPS_CTRLFX) ||
(desc->dwFlags&DSBCAPS_CTRLPOSITIONNOTIFY) ||
(desc->dwFlags&DSBCAPS_LOCSOFTWARE))
{
WARN("Bad dwFlags %08lx\n", desc->dwFlags);
return DSERR_INVALIDPARAM;
}
/* Should be 0 if not initialized */
if(This->flags)
return DSERR_ALREADYINITIALIZED;
hr = DS_OK;
if(This->parent->prio_level == DSSCL_WRITEPRIMARY)
{
DSBUFFERDESC emudesc;
DSBuffer *emu;
if(This->write_emu)
{
ERR("There shouldn't be a write_emu!\n");
IDirectSoundBuffer_Release(This->write_emu);
This->write_emu = NULL;
}
memset(&emudesc, 0, sizeof(emudesc));
emudesc.dwSize = sizeof(emudesc);
emudesc.dwFlags = DSBCAPS_LOCHARDWARE | (desc->dwFlags&DSBCAPS_CTRLPAN);
/* Dont play last incomplete sample */
emudesc.dwBufferBytes = This->buf_size - (This->buf_size%This->format.Format.nBlockAlign);
emudesc.lpwfxFormat = &This->format.Format;
hr = DSBuffer_Create(&emu, This, NULL);
if(SUCCEEDED(hr))
{
hr = DSBuffer_Initialize(&emu->IDirectSoundBuffer8_iface, ds, &emudesc);
if(SUCCEEDED(hr))
hr = DSBuffer_GetInterface(emu, &IID_IDirectSoundBuffer, (void**)&This->write_emu);
if(FAILED(hr))
DSBuffer_Destroy(emu);
}
}
if(SUCCEEDED(hr))
{
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.vOrientFront.x = 0.0f;
This->current.ds3d.vOrientFront.y = 0.0f;
This->current.ds3d.vOrientFront.z = 1.0f;
This->current.ds3d.vOrientTop.x = 0.0f;
This->current.ds3d.vOrientTop.y = 1.0f;
This->current.ds3d.vOrientTop.z = 0.0f;
This->current.ds3d.flDistanceFactor = DS3D_DEFAULTDISTANCEFACTOR;
This->current.ds3d.flRolloffFactor = DS3D_DEFAULTROLLOFFFACTOR;
This->current.ds3d.flDopplerFactor = DS3D_DEFAULTDOPPLERFACTOR;
This->deferred.ds3d = This->current.ds3d;
This->flags = desc->dwFlags | DSBCAPS_LOCHARDWARE;
if((This->flags&DSBCAPS_CTRL3D))
{
union PrimaryParamFlags dirty = { 0l };
dirty.bit.pos = 1;
dirty.bit.vel = 1;
dirty.bit.orientation = 1;
dirty.bit.distancefactor = 1;
dirty.bit.rollofffactor = 1;
dirty.bit.dopplerfactor = 1;
DSPrimary_SetParams(This, &This->deferred.ds3d, dirty.flags);
}
}
return hr;
}
static HRESULT WINAPI DSPrimary_Lock(IDirectSoundBuffer *iface, DWORD ofs, DWORD bytes, void **ptr1, DWORD *len1, void **ptr2, DWORD *len2, DWORD flags)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = DSERR_PRIOLEVELNEEDED;
TRACE("(%p)->(%lu, %lu, %p, %p, %p, %p, %lu)\n", iface, ofs, bytes, ptr1, len1, ptr2, len2, flags);
EnterCriticalSection(&This->share->crst);
if(This->write_emu)
hr = IDirectSoundBuffer_Lock(This->write_emu, ofs, bytes, ptr1, len1, ptr2, len2, flags);
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_Play(IDirectSoundBuffer *iface, DWORD res1, DWORD res2, DWORD flags)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr;
TRACE("(%p)->(%lu, %lu, %lu)\n", iface, res1, res2, flags);
if(!(flags & DSBPLAY_LOOPING))
{
WARN("Flags (%08lx) not set to DSBPLAY_LOOPING\n", flags);
return DSERR_INVALIDPARAM;
}
EnterCriticalSection(&This->share->crst);
hr = S_OK;
if(This->write_emu)
hr = IDirectSoundBuffer_Play(This->write_emu, res1, res2, flags);
if(SUCCEEDED(hr))
This->stopped = FALSE;
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_SetCurrentPosition(IDirectSoundBuffer *iface, DWORD pos)
{
WARN("(%p)->(%lu)\n", iface, pos);
return DSERR_INVALIDCALL;
}
/* Just assume the format is crap, and clean up the damage */
static HRESULT copy_waveformat(WAVEFORMATEX *wfx, const WAVEFORMATEX *from)
{
if(from->nChannels <= 0)
{
WARN("Invalid Channels %d\n", from->nChannels);
return DSERR_INVALIDPARAM;
}
if(from->nSamplesPerSec < DSBFREQUENCY_MIN || from->nSamplesPerSec > DSBFREQUENCY_MAX)
{
WARN("Invalid SamplesPerSec %lu\n", from->nSamplesPerSec);
return DSERR_INVALIDPARAM;
}
if(from->nBlockAlign <= 0)
{
WARN("Invalid BlockAlign %d\n", from->nBlockAlign);
return DSERR_INVALIDPARAM;
}
if(from->wBitsPerSample == 0 || (from->wBitsPerSample%8) != 0)
{
WARN("Invalid BitsPerSample %d\n", from->wBitsPerSample);
return DSERR_INVALIDPARAM;
}
if(from->nBlockAlign != from->nChannels*from->wBitsPerSample/8)
{
WARN("Invalid BlockAlign %d (expected %u = %u*%u/8)\n",
from->nBlockAlign, from->nChannels*from->wBitsPerSample/8,
from->nChannels, from->wBitsPerSample);
return DSERR_INVALIDPARAM;
}
if(from->nAvgBytesPerSec != from->nBlockAlign*from->nSamplesPerSec)
{
WARN("Invalid AvgBytesPerSec %lu (expected %lu = %lu*%u)\n",
from->nAvgBytesPerSec, from->nSamplesPerSec*from->nBlockAlign,
from->nSamplesPerSec, from->nBlockAlign);
return DSERR_INVALIDPARAM;
}
if(from->wFormatTag == WAVE_FORMAT_PCM)
{
if(from->wBitsPerSample > 32)
return DSERR_INVALIDPARAM;
wfx->cbSize = 0;
}
else if(from->wFormatTag == WAVE_FORMAT_IEEE_FLOAT)
{
if(from->wBitsPerSample != 32)
return DSERR_INVALIDPARAM;
wfx->cbSize = 0;
}
else if(from->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
{
WAVEFORMATEXTENSIBLE *wfe = (WAVEFORMATEXTENSIBLE*)wfx;
const WAVEFORMATEXTENSIBLE *fromx = (const WAVEFORMATEXTENSIBLE*)from;
const WORD size = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
/* Fail silently.. */
if(from->cbSize < size) return DS_OK;
if(fromx->Samples.wValidBitsPerSample > fromx->Format.wBitsPerSample)
return DSERR_INVALIDPARAM;
if(IsEqualGUID(&fromx->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))
{
if(from->wBitsPerSample > 32)
return DSERR_INVALIDPARAM;
}
else if(IsEqualGUID(&fromx->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))
{
if(from->wBitsPerSample != 32)
return DSERR_INVALIDPARAM;
}
else
{
ERR("Unhandled extensible format: %s\n", debugstr_guid(&fromx->SubFormat));
return DSERR_INVALIDPARAM;
}
wfe->Format.cbSize = size;
wfe->Samples.wValidBitsPerSample = fromx->Samples.wValidBitsPerSample;
if(!wfe->Samples.wValidBitsPerSample)
wfe->Samples.wValidBitsPerSample = fromx->Format.wBitsPerSample;
wfe->dwChannelMask = fromx->dwChannelMask;
wfe->SubFormat = fromx->SubFormat;
}
else
{
ERR("Unhandled format tag %04x\n", from->wFormatTag);
return DSERR_INVALIDPARAM;
}
wfx->wFormatTag = from->wFormatTag;
wfx->nChannels = from->nChannels;
wfx->nSamplesPerSec = from->nSamplesPerSec;
wfx->nAvgBytesPerSec = from->nSamplesPerSec * from->nBlockAlign;
wfx->nBlockAlign = from->wBitsPerSample * from->nChannels / 8;
wfx->wBitsPerSample = from->wBitsPerSample;
return DS_OK;
}
static HRESULT WINAPI DSPrimary_SetFormat(IDirectSoundBuffer *iface, const WAVEFORMATEX *wfx)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = S_OK;
TRACE("(%p)->(%p)\n", iface, wfx);
if(!wfx)
{
WARN("Missing format\n");
return DSERR_INVALIDPARAM;
}
EnterCriticalSection(&This->share->crst);
if(This->parent->prio_level < DSSCL_PRIORITY)
{
hr = DSERR_PRIOLEVELNEEDED;
goto out;
}
TRACE("Requested primary format:\n"
" FormatTag = %04x\n"
" Channels = %u\n"
" SamplesPerSec = %lu\n"
" AvgBytesPerSec = %lu\n"
" BlockAlign = %u\n"
" BitsPerSample = %u\n",
wfx->wFormatTag, wfx->nChannels,
wfx->nSamplesPerSec, wfx->nAvgBytesPerSec,
wfx->nBlockAlign, wfx->wBitsPerSample);
hr = copy_waveformat(&This->format.Format, wfx);
if(SUCCEEDED(hr) && This->write_emu)
{
DSBuffer *buf;
DSBUFFERDESC desc;
IDirectSoundBuffer_Release(This->write_emu);
This->write_emu = NULL;
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
desc.dwFlags = DSBCAPS_LOCHARDWARE | DSBCAPS_CTRLPAN;
desc.dwBufferBytes = This->buf_size - (This->buf_size % This->format.Format.nBlockAlign);
desc.lpwfxFormat = &This->format.Format;
hr = DSBuffer_Create(&buf, This, NULL);
if(SUCCEEDED(hr))
{
hr = DSBuffer_Initialize(&buf->IDirectSoundBuffer8_iface,
&This->parent->IDirectSound_iface, &desc);
if(SUCCEEDED(hr))
hr = DSBuffer_GetInterface(buf, &IID_IDirectSoundBuffer, (void**)&This->write_emu);
if(FAILED(hr))
DSBuffer_Destroy(buf);
}
}
out:
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_SetVolume(IDirectSoundBuffer *iface, LONG vol)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
TRACE("(%p)->(%ld)\n", iface, vol);
if(vol > DSBVOLUME_MAX || vol < DSBVOLUME_MIN)
{
WARN("Invalid volume (%ld)\n", vol);
return DSERR_INVALIDPARAM;
}
if(!(This->flags&DSBCAPS_CTRLVOLUME))
return DSERR_CONTROLUNAVAIL;
setALContext(This->ctx);
alListenerf(AL_GAIN, mB_to_gain((float)vol));
popALContext();
return DS_OK;
}
static HRESULT WINAPI DSPrimary_SetPan(IDirectSoundBuffer *iface, LONG pan)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr;
TRACE("(%p)->(%ld)\n", iface, pan);
if(pan > DSBPAN_RIGHT || pan < DSBPAN_LEFT)
{
WARN("invalid parameter: pan = %ld\n", pan);
return DSERR_INVALIDPARAM;
}
EnterCriticalSection(&This->share->crst);
if(!(This->flags&DSBCAPS_CTRLPAN))
{
WARN("control unavailable\n");
hr = DSERR_CONTROLUNAVAIL;
}
else if(This->write_emu)
hr = IDirectSoundBuffer_SetPan(This->write_emu, pan);
else
{
FIXME("Not supported\n");
hr = E_NOTIMPL;
}
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_SetFrequency(IDirectSoundBuffer *iface, DWORD freq)
{
WARN("(%p)->(%lu)\n", iface, freq);
return DSERR_CONTROLUNAVAIL;
}
static HRESULT WINAPI DSPrimary_Stop(IDirectSoundBuffer *iface)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = S_OK;
TRACE("(%p)->()\n", iface);
EnterCriticalSection(&This->share->crst);
if(This->write_emu)
hr = IDirectSoundBuffer_Stop(This->write_emu);
if(SUCCEEDED(hr))
This->stopped = TRUE;
LeaveCriticalSection(&This->share->crst);
return hr;
}
static HRESULT WINAPI DSPrimary_Unlock(IDirectSoundBuffer *iface, void *ptr1, DWORD len1, void *ptr2, DWORD len2)
{
DSPrimary *This = impl_from_IDirectSoundBuffer(iface);
HRESULT hr = DSERR_INVALIDCALL;
TRACE("(%p)->(%p, %lu, %p, %lu)\n", iface, ptr1, len1, ptr2, len2);
EnterCriticalSection(&This->share->crst);
if(This->write_emu)
hr = IDirectSoundBuffer_Unlock(This->write_emu, ptr1, len1, ptr2, len2);
LeaveCriticalSection(&This->share->crst);
return hr;
}