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0aea30e44c
This fixes a loader deadlock if the dsound object is being released during a dll unload.
914 lines
28 KiB
C
914 lines
28 KiB
C
/* DirectSound
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*
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* Copyright 1998 Marcus Meissner
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* Copyright 1998 Rob Riggs
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* Copyright 2000-2002 TransGaming Technologies, Inc.
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* Copyright 2007 Peter Dons Tychsen
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* Copyright 2007 Maarten Lankhorst
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* Copyright 2011 Owen Rudge for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdarg.h>
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#include <math.h> /* Insomnia - pow() function */
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "mmsystem.h"
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#include "wingdi.h"
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#include "mmreg.h"
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#include "winternl.h"
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#include "wine/debug.h"
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#include "dsound.h"
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#include "ks.h"
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#include "ksmedia.h"
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#include "dsound_private.h"
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#include "fir.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dsound);
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void DSOUND_RecalcVolPan(PDSVOLUMEPAN volpan)
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{
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double temp;
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TRACE("(%p)\n",volpan);
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TRACE("Vol=%d Pan=%d\n", volpan->lVolume, volpan->lPan);
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/* the AmpFactors are expressed in 16.16 fixed point */
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/* FIXME: use calculated vol and pan ampfactors */
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temp = (double) (volpan->lVolume - (volpan->lPan > 0 ? volpan->lPan : 0));
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volpan->dwTotalAmpFactor[0] = (ULONG) (pow(2.0, temp / 600.0) * 0xffff);
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temp = (double) (volpan->lVolume + (volpan->lPan < 0 ? volpan->lPan : 0));
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volpan->dwTotalAmpFactor[1] = (ULONG) (pow(2.0, temp / 600.0) * 0xffff);
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TRACE("left = %x, right = %x\n", volpan->dwTotalAmpFactor[0], volpan->dwTotalAmpFactor[1]);
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}
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void DSOUND_AmpFactorToVolPan(PDSVOLUMEPAN volpan)
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{
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double left,right;
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TRACE("(%p)\n",volpan);
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TRACE("left=%x, right=%x\n",volpan->dwTotalAmpFactor[0],volpan->dwTotalAmpFactor[1]);
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if (volpan->dwTotalAmpFactor[0]==0)
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left=-10000;
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else
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left=600 * log(((double)volpan->dwTotalAmpFactor[0]) / 0xffff) / log(2);
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if (volpan->dwTotalAmpFactor[1]==0)
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right=-10000;
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else
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right=600 * log(((double)volpan->dwTotalAmpFactor[1]) / 0xffff) / log(2);
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if (left<right)
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volpan->lVolume=right;
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else
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volpan->lVolume=left;
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if (volpan->lVolume < -10000)
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volpan->lVolume=-10000;
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volpan->lPan=right-left;
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if (volpan->lPan < -10000)
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volpan->lPan=-10000;
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TRACE("Vol=%d Pan=%d\n", volpan->lVolume, volpan->lPan);
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}
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/**
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* Recalculate the size for temporary buffer, and new writelead
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* Should be called when one of the following things occur:
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* - Primary buffer format is changed
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* - This buffer format (frequency) is changed
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*/
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void DSOUND_RecalcFormat(IDirectSoundBufferImpl *dsb)
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{
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DWORD ichannels = dsb->pwfx->nChannels;
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DWORD ochannels = dsb->device->pwfx->nChannels;
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WAVEFORMATEXTENSIBLE *pwfxe;
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BOOL ieee = FALSE;
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TRACE("(%p)\n",dsb);
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pwfxe = (WAVEFORMATEXTENSIBLE *) dsb->pwfx;
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dsb->freqAdjustNum = dsb->freq;
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dsb->freqAdjustDen = dsb->device->pwfx->nSamplesPerSec;
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if ((pwfxe->Format.wFormatTag == WAVE_FORMAT_IEEE_FLOAT) || ((pwfxe->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE)
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&& (IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))))
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ieee = TRUE;
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/**
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* Recalculate FIR step and gain.
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*
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* firstep says how many points of the FIR exist per one
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* sample in the secondary buffer. firgain specifies what
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* to multiply the FIR output by in order to attenuate it correctly.
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*/
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if (dsb->freqAdjustNum / dsb->freqAdjustDen > 0) {
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/**
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* Yes, round it a bit to make sure that the
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* linear interpolation factor never changes.
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*/
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dsb->firstep = fir_step * dsb->freqAdjustDen / dsb->freqAdjustNum;
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} else {
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dsb->firstep = fir_step;
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}
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dsb->firgain = (float)dsb->firstep / fir_step;
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/* calculate the 10ms write lead */
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dsb->writelead = (dsb->freq / 100) * dsb->pwfx->nBlockAlign;
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dsb->freqAccNum = 0;
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dsb->get_aux = ieee ? getbpp[4] : getbpp[dsb->pwfx->wBitsPerSample/8 - 1];
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dsb->put_aux = putieee32;
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dsb->get = dsb->get_aux;
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dsb->put = dsb->put_aux;
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if (ichannels == ochannels)
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{
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dsb->mix_channels = ichannels;
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if (ichannels > 32) {
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FIXME("Copying %u channels is unsupported, limiting to first 32\n", ichannels);
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dsb->mix_channels = 32;
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}
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}
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else if (ichannels == 1)
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{
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dsb->mix_channels = 1;
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if (ochannels == 2)
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dsb->put = put_mono2stereo;
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else if (ochannels == 4)
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dsb->put = put_mono2quad;
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else if (ochannels == 6)
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dsb->put = put_mono2surround51;
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}
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else if (ochannels == 1)
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{
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dsb->mix_channels = 1;
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dsb->get = get_mono;
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}
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else if (ichannels == 2 && ochannels == 4)
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{
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dsb->mix_channels = 2;
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dsb->put = put_stereo2quad;
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}
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else if (ichannels == 2 && ochannels == 6)
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{
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dsb->mix_channels = 2;
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dsb->put = put_stereo2surround51;
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}
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else
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{
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if (ichannels > 2)
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FIXME("Conversion from %u to %u channels is not implemented, falling back to stereo\n", ichannels, ochannels);
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dsb->mix_channels = 2;
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}
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}
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/**
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* Check for application callback requests for when the play position
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* reaches certain points.
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*
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* The offsets that will be triggered will be those between the recorded
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* "last played" position for the buffer (i.e. dsb->playpos) and "len" bytes
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* beyond that position.
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*/
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void DSOUND_CheckEvent(const IDirectSoundBufferImpl *dsb, DWORD playpos, int len)
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{
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int first, left, right, check;
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if(dsb->nrofnotifies == 0)
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return;
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if(dsb->state == STATE_STOPPED){
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TRACE("Stopped...\n");
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/* DSBPN_OFFSETSTOP notifies are always at the start of the sorted array */
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for(left = 0; left < dsb->nrofnotifies; ++left){
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if(dsb->notifies[left].dwOffset != DSBPN_OFFSETSTOP)
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break;
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TRACE("Signalling %p\n", dsb->notifies[left].hEventNotify);
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SetEvent(dsb->notifies[left].hEventNotify);
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}
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return;
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}
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for(first = 0; first < dsb->nrofnotifies && dsb->notifies[first].dwOffset == DSBPN_OFFSETSTOP; ++first)
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;
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if(first == dsb->nrofnotifies)
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return;
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check = left = first;
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right = dsb->nrofnotifies - 1;
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/* find leftmost notify that is greater than playpos */
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while(left != right){
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check = left + (right - left) / 2;
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if(dsb->notifies[check].dwOffset < playpos)
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left = check + 1;
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else if(dsb->notifies[check].dwOffset > playpos)
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right = check;
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else{
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left = check;
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break;
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}
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}
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TRACE("Not stopped: first notify: %u (%u), left notify: %u (%u), range: [%u,%u)\n",
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first, dsb->notifies[first].dwOffset,
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left, dsb->notifies[left].dwOffset,
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playpos, (playpos + len) % dsb->buflen);
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/* send notifications in range */
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if(dsb->notifies[left].dwOffset >= playpos){
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for(check = left; check < dsb->nrofnotifies; ++check){
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if(dsb->notifies[check].dwOffset >= playpos + len)
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break;
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TRACE("Signalling %p (%u)\n", dsb->notifies[check].hEventNotify, dsb->notifies[check].dwOffset);
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SetEvent(dsb->notifies[check].hEventNotify);
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}
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}
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if(playpos + len > dsb->buflen){
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for(check = first; check < left; ++check){
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if(dsb->notifies[check].dwOffset >= (playpos + len) % dsb->buflen)
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break;
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TRACE("Signalling %p (%u)\n", dsb->notifies[check].hEventNotify, dsb->notifies[check].dwOffset);
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SetEvent(dsb->notifies[check].hEventNotify);
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}
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}
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}
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static inline float get_current_sample(const IDirectSoundBufferImpl *dsb,
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DWORD mixpos, DWORD channel)
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{
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if (mixpos >= dsb->buflen && !(dsb->playflags & DSBPLAY_LOOPING))
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return 0.0f;
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return dsb->get(dsb, mixpos % dsb->buflen, channel);
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}
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static UINT cp_fields_noresample(IDirectSoundBufferImpl *dsb, UINT count)
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{
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UINT istride = dsb->pwfx->nBlockAlign;
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UINT ostride = dsb->device->pwfx->nChannels * sizeof(float);
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DWORD channel, i;
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for (i = 0; i < count; i++)
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for (channel = 0; channel < dsb->mix_channels; channel++)
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dsb->put(dsb, i * ostride, channel, get_current_sample(dsb,
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dsb->sec_mixpos + i * istride, channel));
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return count;
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}
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static UINT cp_fields_resample(IDirectSoundBufferImpl *dsb, UINT count, LONG64 *freqAccNum)
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{
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UINT i, channel;
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UINT istride = dsb->pwfx->nBlockAlign;
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UINT ostride = dsb->device->pwfx->nChannels * sizeof(float);
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LONG64 freqAcc_start = *freqAccNum;
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LONG64 freqAcc_end = freqAcc_start + count * dsb->freqAdjustNum;
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UINT dsbfirstep = dsb->firstep;
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UINT channels = dsb->mix_channels;
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UINT max_ipos = (freqAcc_start + count * dsb->freqAdjustNum) / dsb->freqAdjustDen;
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UINT fir_cachesize = (fir_len + dsbfirstep - 2) / dsbfirstep;
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UINT required_input = max_ipos + fir_cachesize;
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float* intermediate = HeapAlloc(GetProcessHeap(), 0,
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sizeof(float) * required_input * channels);
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float* fir_copy = HeapAlloc(GetProcessHeap(), 0,
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sizeof(float) * fir_cachesize);
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/* Important: this buffer MUST be non-interleaved
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* if you want -msse3 to have any effect.
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* This is good for CPU cache effects, too.
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*/
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float* itmp = intermediate;
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for (channel = 0; channel < channels; channel++)
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for (i = 0; i < required_input; i++)
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*(itmp++) = get_current_sample(dsb,
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dsb->sec_mixpos + i * istride, channel);
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for(i = 0; i < count; ++i) {
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UINT int_fir_steps = (freqAcc_start + i * dsb->freqAdjustNum) * dsbfirstep / dsb->freqAdjustDen;
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float total_fir_steps = (freqAcc_start + i * dsb->freqAdjustNum) * dsbfirstep / (float)dsb->freqAdjustDen;
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UINT ipos = int_fir_steps / dsbfirstep;
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UINT idx = (ipos + 1) * dsbfirstep - int_fir_steps - 1;
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float rem = int_fir_steps + 1.0 - total_fir_steps;
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int fir_used = 0;
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while (idx < fir_len - 1) {
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fir_copy[fir_used++] = fir[idx] * (1.0 - rem) + fir[idx + 1] * rem;
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idx += dsb->firstep;
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}
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assert(fir_used <= fir_cachesize);
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assert(ipos + fir_used <= required_input);
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for (channel = 0; channel < dsb->mix_channels; channel++) {
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int j;
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float sum = 0.0;
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float* cache = &intermediate[channel * required_input + ipos];
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for (j = 0; j < fir_used; j++)
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sum += fir_copy[j] * cache[j];
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dsb->put(dsb, i * ostride, channel, sum * dsb->firgain);
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}
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}
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*freqAccNum = freqAcc_end % dsb->freqAdjustDen;
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HeapFree(GetProcessHeap(), 0, fir_copy);
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HeapFree(GetProcessHeap(), 0, intermediate);
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return max_ipos;
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}
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static void cp_fields(IDirectSoundBufferImpl *dsb, UINT count, LONG64 *freqAccNum)
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{
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DWORD ipos, adv;
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if (dsb->freqAdjustNum == dsb->freqAdjustDen)
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adv = cp_fields_noresample(dsb, count); /* *freqAccNum is unmodified */
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else
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adv = cp_fields_resample(dsb, count, freqAccNum);
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ipos = dsb->sec_mixpos + adv * dsb->pwfx->nBlockAlign;
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if (ipos >= dsb->buflen) {
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if (dsb->playflags & DSBPLAY_LOOPING)
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ipos %= dsb->buflen;
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else {
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ipos = 0;
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dsb->state = STATE_STOPPED;
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}
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}
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dsb->sec_mixpos = ipos;
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}
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/**
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* Calculate the distance between two buffer offsets, taking wraparound
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* into account.
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*/
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static inline DWORD DSOUND_BufPtrDiff(DWORD buflen, DWORD ptr1, DWORD ptr2)
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{
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/* If these asserts fail, the problem is not here, but in the underlying code */
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assert(ptr1 < buflen);
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assert(ptr2 < buflen);
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if (ptr1 >= ptr2) {
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return ptr1 - ptr2;
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} else {
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return buflen + ptr1 - ptr2;
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}
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}
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/**
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* Mix at most the given amount of data into the allocated temporary buffer
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* of the given secondary buffer, starting from the dsb's first currently
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* unsampled frame (writepos), translating frequency (pitch), stereo/mono
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* and bits-per-sample so that it is ideal for the primary buffer.
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* Doesn't perform any mixing - this is a straight copy/convert operation.
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*
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* dsb = the secondary buffer
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* writepos = Starting position of changed buffer
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* len = number of bytes to resample from writepos
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*
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* NOTE: writepos + len <= buflen. When called by mixer, MixOne makes sure of this.
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*/
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static void DSOUND_MixToTemporary(IDirectSoundBufferImpl *dsb, DWORD frames)
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{
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UINT size_bytes = frames * sizeof(float) * dsb->device->pwfx->nChannels;
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HRESULT hr;
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int i;
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if (dsb->device->tmp_buffer_len < size_bytes || !dsb->device->tmp_buffer)
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{
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dsb->device->tmp_buffer_len = size_bytes;
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if (dsb->device->tmp_buffer)
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dsb->device->tmp_buffer = HeapReAlloc(GetProcessHeap(), 0, dsb->device->tmp_buffer, size_bytes);
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else
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dsb->device->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, size_bytes);
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}
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cp_fields(dsb, frames, &dsb->freqAccNum);
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if (size_bytes > 0) {
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for (i = 0; i < dsb->num_filters; i++) {
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if (dsb->filters[i].inplace) {
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hr = IMediaObjectInPlace_Process(dsb->filters[i].inplace, size_bytes, (BYTE*)dsb->device->tmp_buffer, 0, DMO_INPLACE_NORMAL);
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if (FAILED(hr))
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WARN("IMediaObjectInPlace_Process failed for filter %u\n", i);
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} else
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WARN("filter %u has no inplace object - unsupported\n", i);
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}
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}
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}
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static void DSOUND_MixerVol(const IDirectSoundBufferImpl *dsb, INT frames)
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{
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INT i;
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float vols[DS_MAX_CHANNELS];
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UINT channels = dsb->device->pwfx->nChannels, chan;
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TRACE("(%p,%d)\n",dsb,frames);
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TRACE("left = %x, right = %x\n", dsb->volpan.dwTotalAmpFactor[0],
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dsb->volpan.dwTotalAmpFactor[1]);
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if ((!(dsb->dsbd.dwFlags & DSBCAPS_CTRLPAN) || (dsb->volpan.lPan == 0)) &&
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(!(dsb->dsbd.dwFlags & DSBCAPS_CTRLVOLUME) || (dsb->volpan.lVolume == 0)) &&
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!(dsb->dsbd.dwFlags & DSBCAPS_CTRL3D))
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return; /* Nothing to do */
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if (channels > DS_MAX_CHANNELS)
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{
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FIXME("There is no support for %u channels\n", channels);
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return;
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}
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for (i = 0; i < channels; ++i)
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vols[i] = dsb->volpan.dwTotalAmpFactor[i] / ((float)0xFFFF);
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for(i = 0; i < frames; ++i){
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for(chan = 0; chan < channels; ++chan){
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dsb->device->tmp_buffer[i * channels + chan] *= vols[chan];
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}
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}
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}
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/**
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* Mix (at most) the given number of bytes into the given position of the
|
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* device buffer, from the secondary buffer "dsb" (starting at the current
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* mix position for that buffer).
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*
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* Returns the number of bytes actually mixed into the device buffer. This
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* will match fraglen unless the end of the secondary buffer is reached
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* (and it is not looping).
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*
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* dsb = the secondary buffer to mix from
|
|
* writepos = position (offset) in device buffer to write at
|
|
* fraglen = number of bytes to mix
|
|
*/
|
|
static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD fraglen)
|
|
{
|
|
INT len = fraglen;
|
|
float *ibuf;
|
|
DWORD oldpos;
|
|
UINT frames = fraglen / dsb->device->pwfx->nBlockAlign;
|
|
|
|
TRACE("sec_mixpos=%d/%d\n", dsb->sec_mixpos, dsb->buflen);
|
|
TRACE("(%p,%d,%d)\n",dsb,writepos,fraglen);
|
|
|
|
if (len % dsb->device->pwfx->nBlockAlign) {
|
|
INT nBlockAlign = dsb->device->pwfx->nBlockAlign;
|
|
ERR("length not a multiple of block size, len = %d, block size = %d\n", len, nBlockAlign);
|
|
len -= len % nBlockAlign; /* data alignment */
|
|
}
|
|
|
|
/* Resample buffer to temporary buffer specifically allocated for this purpose, if needed */
|
|
oldpos = dsb->sec_mixpos;
|
|
|
|
DSOUND_MixToTemporary(dsb, frames);
|
|
ibuf = dsb->device->tmp_buffer;
|
|
|
|
/* Apply volume if needed */
|
|
DSOUND_MixerVol(dsb, frames);
|
|
|
|
mixieee32(ibuf, dsb->device->mix_buffer, frames * dsb->device->pwfx->nChannels);
|
|
|
|
/* check for notification positions */
|
|
if (dsb->dsbd.dwFlags & DSBCAPS_CTRLPOSITIONNOTIFY &&
|
|
dsb->state != STATE_STARTING) {
|
|
INT ilen = DSOUND_BufPtrDiff(dsb->buflen, dsb->sec_mixpos, oldpos);
|
|
DSOUND_CheckEvent(dsb, oldpos, ilen);
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
/**
|
|
* Mix some frames from the given secondary buffer "dsb" into the device
|
|
* primary buffer.
|
|
*
|
|
* dsb = the secondary buffer
|
|
* playpos = the current play position in the device buffer (primary buffer)
|
|
* writepos = the current safe-to-write position in the device buffer
|
|
* mixlen = the maximum number of bytes in the primary buffer to mix, from the
|
|
* current writepos.
|
|
*
|
|
* Returns: the number of bytes beyond the writepos that were mixed.
|
|
*/
|
|
static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD mixlen)
|
|
{
|
|
DWORD primary_done = 0;
|
|
|
|
TRACE("(%p,%d,%d)\n",dsb,writepos,mixlen);
|
|
TRACE("writepos=%d, mixlen=%d\n", writepos, mixlen);
|
|
TRACE("looping=%d, leadin=%d\n", dsb->playflags, dsb->leadin);
|
|
|
|
/* If leading in, only mix about 20 ms, and 'skip' mixing the rest, for more fluid pointer advancement */
|
|
/* FIXME: Is this needed? */
|
|
if (dsb->leadin && dsb->state == STATE_STARTING) {
|
|
if (mixlen > 2 * dsb->device->fraglen) {
|
|
primary_done = mixlen - 2 * dsb->device->fraglen;
|
|
mixlen = 2 * dsb->device->fraglen;
|
|
writepos += primary_done;
|
|
dsb->sec_mixpos += (primary_done / dsb->device->pwfx->nBlockAlign) *
|
|
dsb->pwfx->nBlockAlign * dsb->freqAdjustNum / dsb->freqAdjustDen;
|
|
}
|
|
}
|
|
|
|
dsb->leadin = FALSE;
|
|
|
|
TRACE("mixlen (primary) = %i\n", mixlen);
|
|
|
|
/* First try to mix to the end of the buffer if possible
|
|
* Theoretically it would allow for better optimization
|
|
*/
|
|
primary_done += DSOUND_MixInBuffer(dsb, writepos, mixlen);
|
|
|
|
TRACE("total mixed data=%d\n", primary_done);
|
|
|
|
/* Report back the total prebuffered amount for this buffer */
|
|
return primary_done;
|
|
}
|
|
|
|
/**
|
|
* For a DirectSoundDevice, go through all the currently playing buffers and
|
|
* mix them in to the device buffer.
|
|
*
|
|
* writepos = the current safe-to-write position in the primary buffer
|
|
* mixlen = the maximum amount to mix into the primary buffer
|
|
* (beyond the current writepos)
|
|
* recover = true if the sound device may have been reset and the write
|
|
* position in the device buffer changed
|
|
* all_stopped = reports back if all buffers have stopped
|
|
*
|
|
* Returns: the length beyond the writepos that was mixed to.
|
|
*/
|
|
|
|
static void DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD writepos, DWORD mixlen, BOOL recover, BOOL *all_stopped)
|
|
{
|
|
INT i;
|
|
IDirectSoundBufferImpl *dsb;
|
|
|
|
/* unless we find a running buffer, all have stopped */
|
|
*all_stopped = TRUE;
|
|
|
|
TRACE("(%d,%d,%d)\n", writepos, mixlen, recover);
|
|
for (i = 0; i < device->nrofbuffers; i++) {
|
|
dsb = device->buffers[i];
|
|
|
|
TRACE("MixToPrimary for %p, state=%d\n", dsb, dsb->state);
|
|
|
|
if (dsb->buflen && dsb->state) {
|
|
TRACE("Checking %p, mixlen=%d\n", dsb, mixlen);
|
|
RtlAcquireResourceShared(&dsb->lock, TRUE);
|
|
/* if buffer is stopping it is stopped now */
|
|
if (dsb->state == STATE_STOPPING) {
|
|
dsb->state = STATE_STOPPED;
|
|
DSOUND_CheckEvent(dsb, 0, 0);
|
|
} else if (dsb->state != STATE_STOPPED) {
|
|
|
|
/* if the buffer was starting, it must be playing now */
|
|
if (dsb->state == STATE_STARTING)
|
|
dsb->state = STATE_PLAYING;
|
|
|
|
/* mix next buffer into the main buffer */
|
|
DSOUND_MixOne(dsb, writepos, mixlen);
|
|
|
|
*all_stopped = FALSE;
|
|
}
|
|
RtlReleaseResource(&dsb->lock);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add buffers to the emulated wave device system.
|
|
*
|
|
* device = The current dsound playback device
|
|
* force = If TRUE, the function will buffer up as many frags as possible,
|
|
* even though and will ignore the actual state of the primary buffer.
|
|
*
|
|
* Returns: None
|
|
*/
|
|
|
|
static void DSOUND_WaveQueue(DirectSoundDevice *device, BOOL force)
|
|
{
|
|
DWORD prebuf_frames, prebuf_bytes, read_offs_bytes;
|
|
BYTE *buffer;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)\n", device);
|
|
|
|
read_offs_bytes = (device->playing_offs_bytes + device->in_mmdev_bytes) % device->buflen;
|
|
|
|
TRACE("read_offs_bytes = %u, playing_offs_bytes = %u, in_mmdev_bytes: %u, prebuf = %u\n",
|
|
read_offs_bytes, device->playing_offs_bytes, device->in_mmdev_bytes, device->prebuf);
|
|
|
|
if (!force)
|
|
{
|
|
if(device->mixpos < device->playing_offs_bytes)
|
|
prebuf_bytes = device->mixpos + device->buflen - device->playing_offs_bytes;
|
|
else
|
|
prebuf_bytes = device->mixpos - device->playing_offs_bytes;
|
|
}
|
|
else
|
|
/* buffer the maximum amount of frags */
|
|
prebuf_bytes = device->prebuf * device->fraglen;
|
|
|
|
/* limit to the queue we have left */
|
|
if(device->in_mmdev_bytes + prebuf_bytes > device->prebuf * device->fraglen)
|
|
prebuf_bytes = device->prebuf * device->fraglen - device->in_mmdev_bytes;
|
|
|
|
TRACE("prebuf_bytes = %u\n", prebuf_bytes);
|
|
|
|
if(!prebuf_bytes)
|
|
return;
|
|
|
|
if(prebuf_bytes + read_offs_bytes > device->buflen){
|
|
DWORD chunk_bytes = device->buflen - read_offs_bytes;
|
|
prebuf_frames = chunk_bytes / device->pwfx->nBlockAlign;
|
|
prebuf_bytes -= chunk_bytes;
|
|
}else{
|
|
prebuf_frames = prebuf_bytes / device->pwfx->nBlockAlign;
|
|
prebuf_bytes = 0;
|
|
}
|
|
|
|
hr = IAudioRenderClient_GetBuffer(device->render, prebuf_frames, &buffer);
|
|
if(FAILED(hr)){
|
|
WARN("GetBuffer failed: %08x\n", hr);
|
|
return;
|
|
}
|
|
|
|
memcpy(buffer, device->buffer + read_offs_bytes,
|
|
prebuf_frames * device->pwfx->nBlockAlign);
|
|
|
|
hr = IAudioRenderClient_ReleaseBuffer(device->render, prebuf_frames, 0);
|
|
if(FAILED(hr)){
|
|
WARN("ReleaseBuffer failed: %08x\n", hr);
|
|
return;
|
|
}
|
|
|
|
device->in_mmdev_bytes += prebuf_frames * device->pwfx->nBlockAlign;
|
|
|
|
/* check if anything wrapped */
|
|
if(prebuf_bytes > 0){
|
|
prebuf_frames = prebuf_bytes / device->pwfx->nBlockAlign;
|
|
|
|
hr = IAudioRenderClient_GetBuffer(device->render, prebuf_frames, &buffer);
|
|
if(FAILED(hr)){
|
|
WARN("GetBuffer failed: %08x\n", hr);
|
|
return;
|
|
}
|
|
|
|
memcpy(buffer, device->buffer, prebuf_frames * device->pwfx->nBlockAlign);
|
|
|
|
hr = IAudioRenderClient_ReleaseBuffer(device->render, prebuf_frames, 0);
|
|
if(FAILED(hr)){
|
|
WARN("ReleaseBuffer failed: %08x\n", hr);
|
|
return;
|
|
}
|
|
device->in_mmdev_bytes += prebuf_frames * device->pwfx->nBlockAlign;
|
|
}
|
|
|
|
TRACE("in_mmdev_bytes now = %i\n", device->in_mmdev_bytes);
|
|
}
|
|
|
|
/**
|
|
* Perform mixing for a Direct Sound device. That is, go through all the
|
|
* secondary buffers (the sound bites currently playing) and mix them in
|
|
* to the primary buffer (the device buffer).
|
|
*
|
|
* The mixing procedure goes:
|
|
*
|
|
* secondary->buffer (secondary format)
|
|
* =[Resample]=> device->tmp_buffer (float format)
|
|
* =[Volume]=> device->tmp_buffer (float format)
|
|
* =[Mix]=> device->mix_buffer (float format)
|
|
* =[Reformat]=> device->buffer (device format)
|
|
*/
|
|
static void DSOUND_PerformMix(DirectSoundDevice *device)
|
|
{
|
|
UINT32 pad, to_mix_frags, to_mix_bytes;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)\n", device);
|
|
|
|
/* **** */
|
|
EnterCriticalSection(&device->mixlock);
|
|
|
|
hr = IAudioClient_GetCurrentPadding(device->client, &pad);
|
|
if(FAILED(hr)){
|
|
WARN("GetCurrentPadding failed: %08x\n", hr);
|
|
LeaveCriticalSection(&device->mixlock);
|
|
return;
|
|
}
|
|
|
|
to_mix_frags = device->prebuf - (pad * device->pwfx->nBlockAlign + device->fraglen - 1) / device->fraglen;
|
|
|
|
to_mix_bytes = to_mix_frags * device->fraglen;
|
|
|
|
if(device->in_mmdev_bytes > 0){
|
|
DWORD delta_bytes = min(to_mix_bytes, device->in_mmdev_bytes);
|
|
device->in_mmdev_bytes -= delta_bytes;
|
|
device->playing_offs_bytes += delta_bytes;
|
|
device->playing_offs_bytes %= device->buflen;
|
|
}
|
|
|
|
if (device->priolevel != DSSCL_WRITEPRIMARY) {
|
|
BOOL recover = FALSE, all_stopped = FALSE;
|
|
DWORD playpos, writepos, writelead, maxq, prebuff_max, prebuff_left, size1, size2;
|
|
LPVOID buf1, buf2;
|
|
int nfiller;
|
|
|
|
/* the sound of silence */
|
|
nfiller = device->pwfx->wBitsPerSample == 8 ? 128 : 0;
|
|
|
|
/* get the position in the primary buffer */
|
|
if (DSOUND_PrimaryGetPosition(device, &playpos, &writepos) != 0){
|
|
LeaveCriticalSection(&(device->mixlock));
|
|
return;
|
|
}
|
|
|
|
TRACE("primary playpos=%d, writepos=%d, clrpos=%d, mixpos=%d, buflen=%d\n",
|
|
playpos,writepos,device->playpos,device->mixpos,device->buflen);
|
|
assert(device->playpos < device->buflen);
|
|
|
|
/* calc maximum prebuff */
|
|
prebuff_max = (device->prebuf * device->fraglen);
|
|
|
|
/* check how close we are to an underrun. It occurs when the writepos overtakes the mixpos */
|
|
prebuff_left = DSOUND_BufPtrDiff(device->buflen, device->mixpos, playpos);
|
|
writelead = DSOUND_BufPtrDiff(device->buflen, writepos, playpos);
|
|
|
|
/* check for underrun. underrun occurs when the write position passes the mix position
|
|
* also wipe out just-played sound data */
|
|
if((prebuff_left > prebuff_max) || (device->state == STATE_STOPPED) || (device->state == STATE_STARTING)){
|
|
if (device->state == STATE_STOPPING || device->state == STATE_PLAYING)
|
|
WARN("Probable buffer underrun\n");
|
|
else TRACE("Buffer starting or buffer underrun\n");
|
|
|
|
/* recover mixing for all buffers */
|
|
recover = TRUE;
|
|
|
|
/* reset mix position to write position */
|
|
device->mixpos = writepos;
|
|
|
|
ZeroMemory(device->buffer, device->buflen);
|
|
} else if (playpos < device->playpos) {
|
|
buf1 = device->buffer + device->playpos;
|
|
buf2 = device->buffer;
|
|
size1 = device->buflen - device->playpos;
|
|
size2 = playpos;
|
|
FillMemory(buf1, size1, nfiller);
|
|
if (playpos && (!buf2 || !size2))
|
|
FIXME("%d: (%d, %d)=>(%d, %d) There should be an additional buffer here!!\n", __LINE__, device->playpos, device->mixpos, playpos, writepos);
|
|
FillMemory(buf2, size2, nfiller);
|
|
} else {
|
|
buf1 = device->buffer + device->playpos;
|
|
buf2 = NULL;
|
|
size1 = playpos - device->playpos;
|
|
size2 = 0;
|
|
FillMemory(buf1, size1, nfiller);
|
|
}
|
|
device->playpos = playpos;
|
|
|
|
/* find the maximum we can prebuffer from current write position */
|
|
maxq = (writelead < prebuff_max) ? (prebuff_max - writelead) : 0;
|
|
|
|
TRACE("prebuff_left = %d, prebuff_max = %dx%d=%d, writelead=%d\n",
|
|
prebuff_left, device->prebuf, device->fraglen, prebuff_max, writelead);
|
|
|
|
ZeroMemory(device->mix_buffer, device->mix_buffer_len);
|
|
|
|
/* do the mixing */
|
|
DSOUND_MixToPrimary(device, writepos, maxq, recover, &all_stopped);
|
|
|
|
if (maxq + writepos > device->buflen)
|
|
{
|
|
DWORD todo = device->buflen - writepos;
|
|
DWORD offs_float = (todo / device->pwfx->nBlockAlign) * device->pwfx->nChannels;
|
|
device->normfunction(device->mix_buffer, device->buffer + writepos, todo);
|
|
device->normfunction(device->mix_buffer + offs_float, device->buffer, maxq - todo);
|
|
}
|
|
else
|
|
device->normfunction(device->mix_buffer, device->buffer + writepos, maxq);
|
|
|
|
/* update the mix position, taking wrap-around into account */
|
|
device->mixpos = writepos + maxq;
|
|
device->mixpos %= device->buflen;
|
|
|
|
/* update prebuff left */
|
|
prebuff_left = DSOUND_BufPtrDiff(device->buflen, device->mixpos, playpos);
|
|
|
|
/* check if have a whole fragment */
|
|
if (prebuff_left >= device->fraglen){
|
|
|
|
/* update the wave queue */
|
|
DSOUND_WaveQueue(device, FALSE);
|
|
|
|
/* buffers are full. start playing if applicable */
|
|
if(device->state == STATE_STARTING){
|
|
TRACE("started primary buffer\n");
|
|
if(DSOUND_PrimaryPlay(device) != DS_OK){
|
|
WARN("DSOUND_PrimaryPlay failed\n");
|
|
}
|
|
else{
|
|
/* we are playing now */
|
|
device->state = STATE_PLAYING;
|
|
}
|
|
}
|
|
|
|
/* buffers are full. start stopping if applicable */
|
|
if(device->state == STATE_STOPPED){
|
|
TRACE("restarting primary buffer\n");
|
|
if(DSOUND_PrimaryPlay(device) != DS_OK){
|
|
WARN("DSOUND_PrimaryPlay failed\n");
|
|
}
|
|
else{
|
|
/* start stopping again. as soon as there is no more data, it will stop */
|
|
device->state = STATE_STOPPING;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* if device was stopping, its for sure stopped when all buffers have stopped */
|
|
else if (all_stopped && (device->state == STATE_STOPPING)) {
|
|
TRACE("All buffers have stopped. Stopping primary buffer\n");
|
|
device->state = STATE_STOPPED;
|
|
|
|
/* stop the primary buffer now */
|
|
DSOUND_PrimaryStop(device);
|
|
}
|
|
|
|
} else if (device->state != STATE_STOPPED) {
|
|
|
|
DSOUND_WaveQueue(device, TRUE);
|
|
|
|
/* in the DSSCL_WRITEPRIMARY mode, the app is totally in charge... */
|
|
if (device->state == STATE_STARTING) {
|
|
if (DSOUND_PrimaryPlay(device) != DS_OK)
|
|
WARN("DSOUND_PrimaryPlay failed\n");
|
|
else
|
|
device->state = STATE_PLAYING;
|
|
}
|
|
else if (device->state == STATE_STOPPING) {
|
|
if (DSOUND_PrimaryStop(device) != DS_OK)
|
|
WARN("DSOUND_PrimaryStop failed\n");
|
|
else
|
|
device->state = STATE_STOPPED;
|
|
}
|
|
}
|
|
|
|
LeaveCriticalSection(&(device->mixlock));
|
|
/* **** */
|
|
}
|
|
|
|
DWORD CALLBACK DSOUND_mixthread(void *p)
|
|
{
|
|
DirectSoundDevice *dev = p;
|
|
TRACE("(%p)\n", dev);
|
|
|
|
while (dev->ref) {
|
|
DWORD ret;
|
|
|
|
/*
|
|
* Some audio drivers are retarded and won't fire after being
|
|
* stopped, add a timeout to handle this.
|
|
*/
|
|
ret = WaitForSingleObject(dev->sleepev, dev->sleeptime);
|
|
if (ret == WAIT_FAILED)
|
|
WARN("wait returned error %u %08x!\n", GetLastError(), GetLastError());
|
|
else if (ret != WAIT_OBJECT_0)
|
|
WARN("wait returned %08x!\n", ret);
|
|
if (!dev->ref)
|
|
break;
|
|
|
|
RtlAcquireResourceShared(&(dev->buffer_list_lock), TRUE);
|
|
DSOUND_PerformMix(dev);
|
|
RtlReleaseResource(&(dev->buffer_list_lock));
|
|
}
|
|
SetEvent(dev->thread_finished);
|
|
return 0;
|
|
}
|