2116 lines
64 KiB
C
2116 lines
64 KiB
C
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 by authors.
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <math.h>
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#include <float.h>
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#include "alMain.h"
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "alError.h"
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#include "alSource.h"
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#include "alBuffer.h"
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#include "alThunk.h"
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#include "alAuxEffectSlot.h"
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static ALvoid InitSourceParams(ALsource *Source);
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static ALvoid GetSourceOffset(ALsource *Source, ALenum eName, ALdouble *Offsets, ALdouble updateLen);
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static ALboolean ApplyOffset(ALsource *Source);
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static ALint GetByteOffset(ALsource *Source);
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DECL_VERIFIER(Source, ALsource, source)
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DECL_VERIFIER(Buffer, ALbuffer, buffer)
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DECL_VERIFIER(Filter, ALfilter, filter)
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DECL_VERIFIER(EffectSlot, ALeffectslot, effectslot)
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AL_API ALvoid AL_APIENTRY alGenSources(ALsizei n,ALuint *sources)
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{
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ALCcontext *Context;
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ALCdevice *Device;
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ALsizei i=0;
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Context = GetContextSuspended();
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if(!Context) return;
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if(n > 0)
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{
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Device = Context->Device;
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// Check that enough memory has been allocted in the 'sources' array for n Sources
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if(!IsBadWritePtr((void*)sources, n * sizeof(ALuint)))
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{
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// Check that the requested number of sources can be generated
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if((Context->SourceCount + n) <= Device->MaxNoOfSources)
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{
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ALsource *end;
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ALsource **list = &Context->SourceList;
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while(*list)
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list = &(*list)->next;
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// Add additional sources to the list (Source->next points to the location for the next Source structure)
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end = *list;
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while(i < n)
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{
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*list = calloc(1, sizeof(ALsource));
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if(!(*list))
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{
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while(end->next)
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{
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ALsource *temp = end->next;
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end->next = temp->next;
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ALTHUNK_REMOVEENTRY(temp->source);
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Context->SourceCount--;
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free(temp);
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}
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alSetError(Context, AL_OUT_OF_MEMORY);
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break;
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}
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sources[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
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(*list)->source = sources[i];
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InitSourceParams(*list);
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Context->SourceCount++;
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i++;
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list = &(*list)->next;
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}
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}
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else
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{
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// Not enough resources to create the Sources
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alSetError(Context, AL_INVALID_VALUE);
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}
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}
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else
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{
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// Bad pointer
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alSetError(Context, AL_INVALID_VALUE);
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}
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}
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ProcessContext(Context);
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}
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AL_API ALvoid AL_APIENTRY alDeleteSources(ALsizei n, const ALuint *sources)
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{
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ALCcontext *Context;
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ALCdevice *Device;
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ALsource *Source;
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ALsource **list;
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ALsizei i, j;
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ALbufferlistitem *BufferList;
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ALboolean bSourcesValid = AL_TRUE;
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Context = GetContextSuspended();
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if(!Context) return;
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if(n >= 0)
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{
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Device = Context->Device;
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// Check that all Sources are valid (and can therefore be deleted)
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for (i = 0; i < n; i++)
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{
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if(VerifySource(Context->SourceList, sources[i]) == NULL)
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{
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alSetError(Context, AL_INVALID_NAME);
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bSourcesValid = AL_FALSE;
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break;
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}
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}
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if(bSourcesValid)
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{
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// All Sources are valid, and can be deleted
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for(i = 0; i < n; i++)
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{
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// Recheck that the Source is valid, because there could be duplicated Source names
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if((Source=VerifySource(Context->SourceList, sources[i])) != NULL)
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{
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// For each buffer in the source's queue, decrement its reference counter and remove it
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while (Source->queue != NULL)
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{
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BufferList = Source->queue;
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// Decrement buffer's reference counter
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if(BufferList->buffer != NULL)
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BufferList->buffer->refcount--;
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// Update queue to point to next element in list
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Source->queue = BufferList->next;
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// Release memory allocated for buffer list item
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free(BufferList);
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}
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for(j = 0;j < MAX_SENDS;++j)
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{
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if(Source->Send[j].Slot)
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Source->Send[j].Slot->refcount--;
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Source->Send[j].Slot = NULL;
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}
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// Decrement Source count
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Context->SourceCount--;
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// Remove Source from list of Sources
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list = &Context->SourceList;
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while(*list && *list != Source)
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list = &(*list)->next;
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if(*list)
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*list = (*list)->next;
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ALTHUNK_REMOVEENTRY(Source->source);
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memset(Source,0,sizeof(ALsource));
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free(Source);
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}
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}
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}
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}
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else
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alSetError(Context, AL_INVALID_VALUE);
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ProcessContext(Context);
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}
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AL_API ALboolean AL_APIENTRY alIsSource(ALuint source)
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{
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ALCcontext *Context;
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ALboolean result;
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Context = GetContextSuspended();
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if(!Context) return AL_FALSE;
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result = (VerifySource(Context->SourceList, source) ? AL_TRUE : AL_FALSE);
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ProcessContext(Context);
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return result;
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}
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AL_API ALvoid AL_APIENTRY alSourcef(ALuint source, ALenum eParam, ALfloat flValue)
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{
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ALCcontext *pContext;
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ALsource *Source;
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pContext = GetContextSuspended();
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if(!pContext) return;
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if((Source=VerifySource(pContext->SourceList, source)) != NULL)
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{
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switch(eParam)
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{
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case AL_PITCH:
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if(flValue >= 0.0f)
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{
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Source->flPitch = flValue;
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if(Source->flPitch < 0.001f)
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Source->flPitch = 0.001f;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_CONE_INNER_ANGLE:
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if(flValue >= 0.0f && flValue <= 360.0f)
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{
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Source->flInnerAngle = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_CONE_OUTER_ANGLE:
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if(flValue >= 0.0f && flValue <= 360.0f)
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{
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Source->flOuterAngle = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_GAIN:
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if(flValue >= 0.0f)
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{
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Source->flGain = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_MAX_DISTANCE:
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if(flValue >= 0.0f)
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{
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Source->flMaxDistance = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_ROLLOFF_FACTOR:
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if(flValue >= 0.0f)
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{
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Source->flRollOffFactor = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_REFERENCE_DISTANCE:
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if(flValue >= 0.0f)
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{
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Source->flRefDistance = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_MIN_GAIN:
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if(flValue >= 0.0f && flValue <= 1.0f)
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{
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Source->flMinGain = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_MAX_GAIN:
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if(flValue >= 0.0f && flValue <= 1.0f)
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{
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Source->flMaxGain = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_CONE_OUTER_GAIN:
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if(flValue >= 0.0f && flValue <= 1.0f)
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{
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Source->flOuterGain = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_CONE_OUTER_GAINHF:
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if(flValue >= 0.0f && flValue <= 1.0f)
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{
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Source->OuterGainHF = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_AIR_ABSORPTION_FACTOR:
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if(flValue >= 0.0f && flValue <= 10.0f)
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{
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Source->AirAbsorptionFactor = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_ROOM_ROLLOFF_FACTOR:
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if(flValue >= 0.0f && flValue <= 10.0f)
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{
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Source->RoomRolloffFactor = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_DOPPLER_FACTOR:
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if(flValue >= 0.0f && flValue <= 1.0f)
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{
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Source->DopplerFactor = flValue;
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Source->NeedsUpdate = AL_TRUE;
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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case AL_SEC_OFFSET:
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case AL_SAMPLE_OFFSET:
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case AL_BYTE_OFFSET:
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if(flValue >= 0.0f)
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{
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Source->lOffsetType = eParam;
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// Store Offset (convert Seconds into Milliseconds)
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if(eParam == AL_SEC_OFFSET)
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Source->lOffset = (ALint)(flValue * 1000.0f);
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else
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Source->lOffset = (ALint)flValue;
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if ((Source->state == AL_PLAYING) || (Source->state == AL_PAUSED))
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{
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if(ApplyOffset(Source) == AL_FALSE)
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alSetError(pContext, AL_INVALID_VALUE);
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}
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}
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else
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alSetError(pContext, AL_INVALID_VALUE);
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break;
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default:
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alSetError(pContext, AL_INVALID_ENUM);
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break;
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}
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}
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else
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{
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// Invalid Source Name
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alSetError(pContext, AL_INVALID_NAME);
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}
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ProcessContext(pContext);
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}
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AL_API ALvoid AL_APIENTRY alSource3f(ALuint source, ALenum eParam, ALfloat flValue1,ALfloat flValue2,ALfloat flValue3)
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{
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ALCcontext *pContext;
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ALsource *Source;
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pContext = GetContextSuspended();
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if(!pContext) return;
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if((Source=VerifySource(pContext->SourceList, source)) != NULL)
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{
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switch(eParam)
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{
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case AL_POSITION:
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Source->vPosition[0] = flValue1;
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Source->vPosition[1] = flValue2;
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Source->vPosition[2] = flValue3;
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Source->NeedsUpdate = AL_TRUE;
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break;
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case AL_VELOCITY:
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Source->vVelocity[0] = flValue1;
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Source->vVelocity[1] = flValue2;
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Source->vVelocity[2] = flValue3;
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Source->NeedsUpdate = AL_TRUE;
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break;
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case AL_DIRECTION:
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Source->vOrientation[0] = flValue1;
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Source->vOrientation[1] = flValue2;
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Source->vOrientation[2] = flValue3;
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Source->NeedsUpdate = AL_TRUE;
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break;
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default:
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alSetError(pContext, AL_INVALID_ENUM);
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break;
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}
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}
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else
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alSetError(pContext, AL_INVALID_NAME);
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ProcessContext(pContext);
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}
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AL_API ALvoid AL_APIENTRY alSourcefv(ALuint source, ALenum eParam, const ALfloat *pflValues)
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{
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ALCcontext *pContext;
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pContext = GetContextSuspended();
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if(!pContext) return;
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if(pflValues)
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{
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if(VerifySource(pContext->SourceList, source) != NULL)
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{
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switch(eParam)
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{
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case AL_PITCH:
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case AL_CONE_INNER_ANGLE:
|
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case AL_CONE_OUTER_ANGLE:
|
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case AL_GAIN:
|
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case AL_MAX_DISTANCE:
|
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case AL_ROLLOFF_FACTOR:
|
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case AL_REFERENCE_DISTANCE:
|
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case AL_MIN_GAIN:
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case AL_MAX_GAIN:
|
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case AL_CONE_OUTER_GAIN:
|
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case AL_CONE_OUTER_GAINHF:
|
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case AL_SEC_OFFSET:
|
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case AL_SAMPLE_OFFSET:
|
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case AL_BYTE_OFFSET:
|
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case AL_AIR_ABSORPTION_FACTOR:
|
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case AL_ROOM_ROLLOFF_FACTOR:
|
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alSourcef(source, eParam, pflValues[0]);
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break;
|
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case AL_POSITION:
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case AL_VELOCITY:
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case AL_DIRECTION:
|
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alSource3f(source, eParam, pflValues[0], pflValues[1], pflValues[2]);
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break;
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default:
|
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alSetError(pContext, AL_INVALID_ENUM);
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break;
|
|
}
|
|
}
|
|
else
|
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alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
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ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourcei(ALuint source,ALenum eParam,ALint lValue)
|
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{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
ALbufferlistitem *BufferListItem;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
ALCdevice *device = pContext->Device;
|
|
|
|
switch(eParam)
|
|
{
|
|
case AL_MAX_DISTANCE:
|
|
case AL_ROLLOFF_FACTOR:
|
|
case AL_CONE_INNER_ANGLE:
|
|
case AL_CONE_OUTER_ANGLE:
|
|
case AL_REFERENCE_DISTANCE:
|
|
alSourcef(source, eParam, (ALfloat)lValue);
|
|
break;
|
|
|
|
case AL_SOURCE_RELATIVE:
|
|
if(lValue == AL_FALSE || lValue == AL_TRUE)
|
|
{
|
|
Source->bHeadRelative = (ALboolean)lValue;
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
break;
|
|
|
|
case AL_LOOPING:
|
|
if(lValue == AL_FALSE || lValue == AL_TRUE)
|
|
Source->bLooping = (ALboolean)lValue;
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
break;
|
|
|
|
case AL_BUFFER:
|
|
if(Source->state == AL_STOPPED || Source->state == AL_INITIAL)
|
|
{
|
|
ALbuffer *buffer = NULL;
|
|
|
|
if(lValue == 0 ||
|
|
(buffer=VerifyBuffer(device->BufferList, lValue)) != NULL)
|
|
{
|
|
// Remove all elements in the queue
|
|
while(Source->queue != NULL)
|
|
{
|
|
BufferListItem = Source->queue;
|
|
Source->queue = BufferListItem->next;
|
|
// Decrement reference counter for buffer
|
|
if(BufferListItem->buffer)
|
|
BufferListItem->buffer->refcount--;
|
|
// Release memory for buffer list item
|
|
free(BufferListItem);
|
|
// Decrement the number of buffers in the queue
|
|
Source->BuffersInQueue--;
|
|
}
|
|
|
|
// Add the buffer to the queue (as long as it is NOT the NULL buffer)
|
|
if(lValue != 0)
|
|
{
|
|
// Source is now in STATIC mode
|
|
Source->lSourceType = AL_STATIC;
|
|
|
|
// Add the selected buffer to the queue
|
|
BufferListItem = malloc(sizeof(ALbufferlistitem));
|
|
BufferListItem->buffer = buffer;
|
|
BufferListItem->next = NULL;
|
|
|
|
Source->queue = BufferListItem;
|
|
Source->BuffersInQueue = 1;
|
|
|
|
// Increment reference counter for buffer
|
|
buffer->refcount++;
|
|
}
|
|
else
|
|
{
|
|
// Source is now in UNDETERMINED mode
|
|
Source->lSourceType = AL_UNDETERMINED;
|
|
Source->BuffersPlayed = 0;
|
|
}
|
|
|
|
// Update AL_BUFFER parameter
|
|
Source->Buffer = buffer;
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_OPERATION);
|
|
break;
|
|
|
|
case AL_SOURCE_STATE:
|
|
// Query only
|
|
alSetError(pContext, AL_INVALID_OPERATION);
|
|
break;
|
|
|
|
case AL_SEC_OFFSET:
|
|
case AL_SAMPLE_OFFSET:
|
|
case AL_BYTE_OFFSET:
|
|
if(lValue >= 0)
|
|
{
|
|
Source->lOffsetType = eParam;
|
|
|
|
// Store Offset (convert Seconds into Milliseconds)
|
|
if(eParam == AL_SEC_OFFSET)
|
|
Source->lOffset = lValue * 1000;
|
|
else
|
|
Source->lOffset = lValue;
|
|
|
|
if(Source->state == AL_PLAYING || Source->state == AL_PAUSED)
|
|
{
|
|
if(ApplyOffset(Source) == AL_FALSE)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
break;
|
|
|
|
case AL_DIRECT_FILTER: {
|
|
ALfilter *filter = NULL;
|
|
|
|
if(lValue == 0 ||
|
|
(filter=VerifyFilter(pContext->Device->FilterList, lValue)) != NULL)
|
|
{
|
|
if(!filter)
|
|
{
|
|
Source->DirectFilter.type = AL_FILTER_NULL;
|
|
Source->DirectFilter.filter = 0;
|
|
}
|
|
else
|
|
memcpy(&Source->DirectFilter, filter, sizeof(*filter));
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
} break;
|
|
|
|
case AL_DIRECT_FILTER_GAINHF_AUTO:
|
|
if(lValue == AL_TRUE || lValue == AL_FALSE)
|
|
{
|
|
Source->DryGainHFAuto = lValue;
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
break;
|
|
|
|
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
|
|
if(lValue == AL_TRUE || lValue == AL_FALSE)
|
|
{
|
|
Source->WetGainAuto = lValue;
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
break;
|
|
|
|
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
|
|
if(lValue == AL_TRUE || lValue == AL_FALSE)
|
|
{
|
|
Source->WetGainHFAuto = lValue;
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
break;
|
|
|
|
case AL_DISTANCE_MODEL:
|
|
if(lValue == AL_NONE ||
|
|
lValue == AL_INVERSE_DISTANCE ||
|
|
lValue == AL_INVERSE_DISTANCE_CLAMPED ||
|
|
lValue == AL_LINEAR_DISTANCE ||
|
|
lValue == AL_LINEAR_DISTANCE_CLAMPED ||
|
|
lValue == AL_EXPONENT_DISTANCE ||
|
|
lValue == AL_EXPONENT_DISTANCE_CLAMPED)
|
|
{
|
|
Source->DistanceModel = lValue;
|
|
if(pContext->SourceDistanceModel)
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alSource3i(ALuint source, ALenum eParam, ALint lValue1, ALint lValue2, ALint lValue3)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
ALCdevice *device = pContext->Device;
|
|
|
|
switch (eParam)
|
|
{
|
|
case AL_POSITION:
|
|
case AL_VELOCITY:
|
|
case AL_DIRECTION:
|
|
alSource3f(source, eParam, (ALfloat)lValue1, (ALfloat)lValue2, (ALfloat)lValue3);
|
|
break;
|
|
|
|
case AL_AUXILIARY_SEND_FILTER: {
|
|
ALeffectslot *ALEffectSlot = NULL;
|
|
ALfilter *ALFilter = NULL;
|
|
|
|
if((ALuint)lValue2 < device->NumAuxSends &&
|
|
(lValue1 == 0 ||
|
|
(ALEffectSlot=VerifyEffectSlot(pContext->EffectSlotList, lValue1)) != NULL) &&
|
|
(lValue3 == 0 ||
|
|
(ALFilter=VerifyFilter(device->FilterList, lValue3)) != NULL))
|
|
{
|
|
/* Release refcount on the previous slot, and add one for
|
|
* the new slot */
|
|
if(Source->Send[lValue2].Slot)
|
|
Source->Send[lValue2].Slot->refcount--;
|
|
Source->Send[lValue2].Slot = ALEffectSlot;
|
|
if(Source->Send[lValue2].Slot)
|
|
Source->Send[lValue2].Slot->refcount++;
|
|
|
|
if(!ALFilter)
|
|
{
|
|
/* Disable filter */
|
|
Source->Send[lValue2].WetFilter.type = 0;
|
|
Source->Send[lValue2].WetFilter.filter = 0;
|
|
}
|
|
else
|
|
memcpy(&Source->Send[lValue2].WetFilter, ALFilter, sizeof(*ALFilter));
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
} break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alSourceiv(ALuint source, ALenum eParam, const ALint* plValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if(plValues)
|
|
{
|
|
if(VerifySource(pContext->SourceList, source) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_SOURCE_RELATIVE:
|
|
case AL_CONE_INNER_ANGLE:
|
|
case AL_CONE_OUTER_ANGLE:
|
|
case AL_LOOPING:
|
|
case AL_BUFFER:
|
|
case AL_SOURCE_STATE:
|
|
case AL_SEC_OFFSET:
|
|
case AL_SAMPLE_OFFSET:
|
|
case AL_BYTE_OFFSET:
|
|
case AL_MAX_DISTANCE:
|
|
case AL_ROLLOFF_FACTOR:
|
|
case AL_REFERENCE_DISTANCE:
|
|
case AL_DIRECT_FILTER:
|
|
case AL_DIRECT_FILTER_GAINHF_AUTO:
|
|
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
|
|
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
|
|
case AL_DISTANCE_MODEL:
|
|
alSourcei(source, eParam, plValues[0]);
|
|
break;
|
|
|
|
case AL_POSITION:
|
|
case AL_VELOCITY:
|
|
case AL_DIRECTION:
|
|
case AL_AUXILIARY_SEND_FILTER:
|
|
alSource3i(source, eParam, plValues[0], plValues[1], plValues[2]);
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetSourcef(ALuint source, ALenum eParam, ALfloat *pflValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
ALdouble Offsets[2];
|
|
ALdouble updateLen;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if(pflValue)
|
|
{
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_PITCH:
|
|
*pflValue = Source->flPitch;
|
|
break;
|
|
|
|
case AL_GAIN:
|
|
*pflValue = Source->flGain;
|
|
break;
|
|
|
|
case AL_MIN_GAIN:
|
|
*pflValue = Source->flMinGain;
|
|
break;
|
|
|
|
case AL_MAX_GAIN:
|
|
*pflValue = Source->flMaxGain;
|
|
break;
|
|
|
|
case AL_MAX_DISTANCE:
|
|
*pflValue = Source->flMaxDistance;
|
|
break;
|
|
|
|
case AL_ROLLOFF_FACTOR:
|
|
*pflValue = Source->flRollOffFactor;
|
|
break;
|
|
|
|
case AL_CONE_OUTER_GAIN:
|
|
*pflValue = Source->flOuterGain;
|
|
break;
|
|
|
|
case AL_CONE_OUTER_GAINHF:
|
|
*pflValue = Source->OuterGainHF;
|
|
break;
|
|
|
|
case AL_SEC_OFFSET:
|
|
case AL_SAMPLE_OFFSET:
|
|
case AL_BYTE_OFFSET:
|
|
updateLen = (ALdouble)pContext->Device->UpdateSize /
|
|
pContext->Device->Frequency;
|
|
GetSourceOffset(Source, eParam, Offsets, updateLen);
|
|
*pflValue = Offsets[0];
|
|
break;
|
|
|
|
case AL_CONE_INNER_ANGLE:
|
|
*pflValue = Source->flInnerAngle;
|
|
break;
|
|
|
|
case AL_CONE_OUTER_ANGLE:
|
|
*pflValue = Source->flOuterAngle;
|
|
break;
|
|
|
|
case AL_REFERENCE_DISTANCE:
|
|
*pflValue = Source->flRefDistance;
|
|
break;
|
|
|
|
case AL_AIR_ABSORPTION_FACTOR:
|
|
*pflValue = Source->AirAbsorptionFactor;
|
|
break;
|
|
|
|
case AL_ROOM_ROLLOFF_FACTOR:
|
|
*pflValue = Source->RoomRolloffFactor;
|
|
break;
|
|
|
|
case AL_DOPPLER_FACTOR:
|
|
*pflValue = Source->DopplerFactor;
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetSource3f(ALuint source, ALenum eParam, ALfloat* pflValue1, ALfloat* pflValue2, ALfloat* pflValue3)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if(pflValue1 && pflValue2 && pflValue3)
|
|
{
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_POSITION:
|
|
*pflValue1 = Source->vPosition[0];
|
|
*pflValue2 = Source->vPosition[1];
|
|
*pflValue3 = Source->vPosition[2];
|
|
break;
|
|
|
|
case AL_VELOCITY:
|
|
*pflValue1 = Source->vVelocity[0];
|
|
*pflValue2 = Source->vVelocity[1];
|
|
*pflValue3 = Source->vVelocity[2];
|
|
break;
|
|
|
|
case AL_DIRECTION:
|
|
*pflValue1 = Source->vOrientation[0];
|
|
*pflValue2 = Source->vOrientation[1];
|
|
*pflValue3 = Source->vOrientation[2];
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetSourcefv(ALuint source, ALenum eParam, ALfloat *pflValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
ALdouble Offsets[2];
|
|
ALdouble updateLen;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if(pflValues)
|
|
{
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_PITCH:
|
|
case AL_GAIN:
|
|
case AL_MIN_GAIN:
|
|
case AL_MAX_GAIN:
|
|
case AL_MAX_DISTANCE:
|
|
case AL_ROLLOFF_FACTOR:
|
|
case AL_DOPPLER_FACTOR:
|
|
case AL_CONE_OUTER_GAIN:
|
|
case AL_SEC_OFFSET:
|
|
case AL_SAMPLE_OFFSET:
|
|
case AL_BYTE_OFFSET:
|
|
case AL_CONE_INNER_ANGLE:
|
|
case AL_CONE_OUTER_ANGLE:
|
|
case AL_REFERENCE_DISTANCE:
|
|
case AL_CONE_OUTER_GAINHF:
|
|
case AL_AIR_ABSORPTION_FACTOR:
|
|
case AL_ROOM_ROLLOFF_FACTOR:
|
|
alGetSourcef(source, eParam, pflValues);
|
|
break;
|
|
|
|
case AL_SAMPLE_RW_OFFSETS_EXT:
|
|
case AL_BYTE_RW_OFFSETS_EXT:
|
|
updateLen = (ALdouble)pContext->Device->UpdateSize /
|
|
pContext->Device->Frequency;
|
|
GetSourceOffset(Source, eParam, Offsets, updateLen);
|
|
pflValues[0] = Offsets[0];
|
|
pflValues[1] = Offsets[1];
|
|
break;
|
|
|
|
case AL_POSITION:
|
|
pflValues[0] = Source->vPosition[0];
|
|
pflValues[1] = Source->vPosition[1];
|
|
pflValues[2] = Source->vPosition[2];
|
|
break;
|
|
|
|
case AL_VELOCITY:
|
|
pflValues[0] = Source->vVelocity[0];
|
|
pflValues[1] = Source->vVelocity[1];
|
|
pflValues[2] = Source->vVelocity[2];
|
|
break;
|
|
|
|
case AL_DIRECTION:
|
|
pflValues[0] = Source->vOrientation[0];
|
|
pflValues[1] = Source->vOrientation[1];
|
|
pflValues[2] = Source->vOrientation[2];
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetSourcei(ALuint source, ALenum eParam, ALint *plValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
ALdouble Offsets[2];
|
|
ALdouble updateLen;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if(plValue)
|
|
{
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_MAX_DISTANCE:
|
|
*plValue = (ALint)Source->flMaxDistance;
|
|
break;
|
|
|
|
case AL_ROLLOFF_FACTOR:
|
|
*plValue = (ALint)Source->flRollOffFactor;
|
|
break;
|
|
|
|
case AL_REFERENCE_DISTANCE:
|
|
*plValue = (ALint)Source->flRefDistance;
|
|
break;
|
|
|
|
case AL_SOURCE_RELATIVE:
|
|
*plValue = Source->bHeadRelative;
|
|
break;
|
|
|
|
case AL_CONE_INNER_ANGLE:
|
|
*plValue = (ALint)Source->flInnerAngle;
|
|
break;
|
|
|
|
case AL_CONE_OUTER_ANGLE:
|
|
*plValue = (ALint)Source->flOuterAngle;
|
|
break;
|
|
|
|
case AL_LOOPING:
|
|
*plValue = Source->bLooping;
|
|
break;
|
|
|
|
case AL_BUFFER:
|
|
*plValue = (Source->Buffer ? Source->Buffer->buffer : 0);
|
|
break;
|
|
|
|
case AL_SOURCE_STATE:
|
|
*plValue = Source->state;
|
|
break;
|
|
|
|
case AL_BUFFERS_QUEUED:
|
|
*plValue = Source->BuffersInQueue;
|
|
break;
|
|
|
|
case AL_BUFFERS_PROCESSED:
|
|
if(Source->bLooping)
|
|
{
|
|
/* Buffers on a looping source are in a perpetual state
|
|
* of PENDING, so don't report any as PROCESSED */
|
|
*plValue = 0;
|
|
}
|
|
else
|
|
*plValue = Source->BuffersPlayed;
|
|
break;
|
|
|
|
case AL_SOURCE_TYPE:
|
|
*plValue = Source->lSourceType;
|
|
break;
|
|
|
|
case AL_SEC_OFFSET:
|
|
case AL_SAMPLE_OFFSET:
|
|
case AL_BYTE_OFFSET:
|
|
updateLen = (ALdouble)pContext->Device->UpdateSize /
|
|
pContext->Device->Frequency;
|
|
GetSourceOffset(Source, eParam, Offsets, updateLen);
|
|
*plValue = (ALint)Offsets[0];
|
|
break;
|
|
|
|
case AL_DIRECT_FILTER:
|
|
*plValue = Source->DirectFilter.filter;
|
|
break;
|
|
|
|
case AL_DIRECT_FILTER_GAINHF_AUTO:
|
|
*plValue = Source->DryGainHFAuto;
|
|
break;
|
|
|
|
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
|
|
*plValue = Source->WetGainAuto;
|
|
break;
|
|
|
|
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
|
|
*plValue = Source->WetGainHFAuto;
|
|
break;
|
|
|
|
case AL_DOPPLER_FACTOR:
|
|
*plValue = (ALint)Source->DopplerFactor;
|
|
break;
|
|
|
|
case AL_DISTANCE_MODEL:
|
|
*plValue = Source->DistanceModel;
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetSource3i(ALuint source, ALenum eParam, ALint* plValue1, ALint* plValue2, ALint* plValue3)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if(plValue1 && plValue2 && plValue3)
|
|
{
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_POSITION:
|
|
*plValue1 = (ALint)Source->vPosition[0];
|
|
*plValue2 = (ALint)Source->vPosition[1];
|
|
*plValue3 = (ALint)Source->vPosition[2];
|
|
break;
|
|
|
|
case AL_VELOCITY:
|
|
*plValue1 = (ALint)Source->vVelocity[0];
|
|
*plValue2 = (ALint)Source->vVelocity[1];
|
|
*plValue3 = (ALint)Source->vVelocity[2];
|
|
break;
|
|
|
|
case AL_DIRECTION:
|
|
*plValue1 = (ALint)Source->vOrientation[0];
|
|
*plValue2 = (ALint)Source->vOrientation[1];
|
|
*plValue3 = (ALint)Source->vOrientation[2];
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetSourceiv(ALuint source, ALenum eParam, ALint* plValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALsource *Source;
|
|
ALdouble Offsets[2];
|
|
ALdouble updateLen;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if(plValues)
|
|
{
|
|
if((Source=VerifySource(pContext->SourceList, source)) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_SOURCE_RELATIVE:
|
|
case AL_CONE_INNER_ANGLE:
|
|
case AL_CONE_OUTER_ANGLE:
|
|
case AL_LOOPING:
|
|
case AL_BUFFER:
|
|
case AL_SOURCE_STATE:
|
|
case AL_BUFFERS_QUEUED:
|
|
case AL_BUFFERS_PROCESSED:
|
|
case AL_SEC_OFFSET:
|
|
case AL_SAMPLE_OFFSET:
|
|
case AL_BYTE_OFFSET:
|
|
case AL_MAX_DISTANCE:
|
|
case AL_ROLLOFF_FACTOR:
|
|
case AL_DOPPLER_FACTOR:
|
|
case AL_REFERENCE_DISTANCE:
|
|
case AL_SOURCE_TYPE:
|
|
case AL_DIRECT_FILTER:
|
|
case AL_DIRECT_FILTER_GAINHF_AUTO:
|
|
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
|
|
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
|
|
case AL_DISTANCE_MODEL:
|
|
alGetSourcei(source, eParam, plValues);
|
|
break;
|
|
|
|
case AL_SAMPLE_RW_OFFSETS_EXT:
|
|
case AL_BYTE_RW_OFFSETS_EXT:
|
|
updateLen = (ALdouble)pContext->Device->UpdateSize /
|
|
pContext->Device->Frequency;
|
|
GetSourceOffset(Source, eParam, Offsets, updateLen);
|
|
plValues[0] = (ALint)Offsets[0];
|
|
plValues[1] = (ALint)Offsets[1];
|
|
break;
|
|
|
|
case AL_POSITION:
|
|
plValues[0] = (ALint)Source->vPosition[0];
|
|
plValues[1] = (ALint)Source->vPosition[1];
|
|
plValues[2] = (ALint)Source->vPosition[2];
|
|
break;
|
|
|
|
case AL_VELOCITY:
|
|
plValues[0] = (ALint)Source->vVelocity[0];
|
|
plValues[1] = (ALint)Source->vVelocity[1];
|
|
plValues[2] = (ALint)Source->vVelocity[2];
|
|
break;
|
|
|
|
case AL_DIRECTION:
|
|
plValues[0] = (ALint)Source->vOrientation[0];
|
|
plValues[1] = (ALint)Source->vOrientation[1];
|
|
plValues[2] = (ALint)Source->vOrientation[2];
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
else
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourcePlay(ALuint source)
|
|
{
|
|
alSourcePlayv(1, &source);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
|
|
{
|
|
ALCcontext *Context;
|
|
ALsource *Source;
|
|
ALbufferlistitem *BufferList;
|
|
ALsizei i, j;
|
|
|
|
Context = GetContextSuspended();
|
|
if(!Context) return;
|
|
|
|
if(!sources)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
goto done;
|
|
}
|
|
|
|
// Check that all the Sources are valid
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
if(!VerifySource(Context->SourceList, sources[i]))
|
|
{
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
|
|
|
|
// Check that there is a queue containing at least one non-null, non zero length AL Buffer
|
|
BufferList = Source->queue;
|
|
while(BufferList)
|
|
{
|
|
if(BufferList->buffer != NULL && BufferList->buffer->size)
|
|
break;
|
|
BufferList = BufferList->next;
|
|
}
|
|
|
|
if(!BufferList)
|
|
{
|
|
Source->BuffersPlayed = Source->BuffersInQueue;
|
|
continue;
|
|
}
|
|
|
|
for(j = 0;j < OUTPUTCHANNELS;j++)
|
|
Source->DryGains[j] = 0.0f;
|
|
for(j = 0;j < MAX_SENDS;j++)
|
|
Source->WetGains[j] = 0.0f;
|
|
|
|
if(Source->state != AL_PAUSED)
|
|
{
|
|
Source->state = AL_PLAYING;
|
|
Source->position = 0;
|
|
Source->position_fraction = 0;
|
|
Source->BuffersPlayed = 0;
|
|
|
|
Source->Buffer = Source->queue->buffer;
|
|
}
|
|
else
|
|
Source->state = AL_PLAYING;
|
|
|
|
// Check if an Offset has been set
|
|
if(Source->lOffset)
|
|
ApplyOffset(Source);
|
|
|
|
if(Source->BuffersPlayed == 0 && Source->position == 0 &&
|
|
Source->position_fraction == 0)
|
|
Source->FirstStart = AL_TRUE;
|
|
else
|
|
Source->FirstStart = AL_FALSE;
|
|
|
|
// If device is disconnected, go right to stopped
|
|
if(!Context->Device->Connected)
|
|
{
|
|
Source->state = AL_STOPPED;
|
|
Source->BuffersPlayed = Source->BuffersInQueue;
|
|
Source->position = 0;
|
|
Source->position_fraction = 0;
|
|
}
|
|
}
|
|
|
|
done:
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourcePause(ALuint source)
|
|
{
|
|
alSourcePausev(1, &source);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourcePausev(ALsizei n, const ALuint *sources)
|
|
{
|
|
ALCcontext *Context;
|
|
ALsource *Source;
|
|
ALsizei i;
|
|
|
|
Context = GetContextSuspended();
|
|
if(!Context) return;
|
|
|
|
if(!sources)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
goto done;
|
|
}
|
|
|
|
// Check all the Sources are valid
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
if(!VerifySource(Context->SourceList, sources[i]))
|
|
{
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
|
|
if(Source->state == AL_PLAYING)
|
|
Source->state = AL_PAUSED;
|
|
}
|
|
|
|
done:
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourceStop(ALuint source)
|
|
{
|
|
alSourceStopv(1, &source);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourceStopv(ALsizei n, const ALuint *sources)
|
|
{
|
|
ALCcontext *Context;
|
|
ALsource *Source;
|
|
ALsizei i;
|
|
|
|
Context = GetContextSuspended();
|
|
if(!Context) return;
|
|
|
|
if(!sources)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
goto done;
|
|
}
|
|
|
|
// Check all the Sources are valid
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
if(!VerifySource(Context->SourceList, sources[i]))
|
|
{
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
|
|
if(Source->state != AL_INITIAL)
|
|
{
|
|
Source->state = AL_STOPPED;
|
|
Source->BuffersPlayed = Source->BuffersInQueue;
|
|
}
|
|
Source->lOffset = 0;
|
|
}
|
|
|
|
done:
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourceRewind(ALuint source)
|
|
{
|
|
alSourceRewindv(1, &source);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourceRewindv(ALsizei n, const ALuint *sources)
|
|
{
|
|
ALCcontext *Context;
|
|
ALsource *Source;
|
|
ALsizei i;
|
|
|
|
Context = GetContextSuspended();
|
|
if(!Context) return;
|
|
|
|
if(!sources)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
goto done;
|
|
}
|
|
|
|
// Check all the Sources are valid
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
if(!VerifySource(Context->SourceList, sources[i]))
|
|
{
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
|
|
if(Source->state != AL_INITIAL)
|
|
{
|
|
Source->state = AL_INITIAL;
|
|
Source->position = 0;
|
|
Source->position_fraction = 0;
|
|
Source->BuffersPlayed = 0;
|
|
if(Source->queue)
|
|
Source->Buffer = Source->queue->buffer;
|
|
}
|
|
Source->lOffset = 0;
|
|
}
|
|
|
|
done:
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint source, ALsizei n, const ALuint *buffers)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *device;
|
|
ALsource *Source;
|
|
ALbuffer *buffer;
|
|
ALsizei i;
|
|
ALbufferlistitem *BufferListStart;
|
|
ALbufferlistitem *BufferList;
|
|
ALboolean HadFormat;
|
|
ALint Frequency;
|
|
ALint Format;
|
|
|
|
if(n == 0)
|
|
return;
|
|
|
|
Context = GetContextSuspended();
|
|
if(!Context) return;
|
|
|
|
// Check that all buffers are valid or zero and that the source is valid
|
|
|
|
// Check that this is a valid source
|
|
if((Source=VerifySource(Context->SourceList, source)) == NULL)
|
|
{
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
goto done;
|
|
}
|
|
|
|
// Check that this is not a STATIC Source
|
|
if(Source->lSourceType == AL_STATIC)
|
|
{
|
|
// Invalid Source Type (can't queue on a Static Source)
|
|
alSetError(Context, AL_INVALID_OPERATION);
|
|
goto done;
|
|
}
|
|
|
|
device = Context->Device;
|
|
|
|
Frequency = -1;
|
|
Format = -1;
|
|
HadFormat = AL_FALSE;
|
|
|
|
// Check existing Queue (if any) for a valid Buffers and get its frequency and format
|
|
BufferList = Source->queue;
|
|
while(BufferList)
|
|
{
|
|
if(BufferList->buffer)
|
|
{
|
|
Frequency = BufferList->buffer->frequency;
|
|
Format = BufferList->buffer->format;
|
|
HadFormat = AL_TRUE;
|
|
break;
|
|
}
|
|
BufferList = BufferList->next;
|
|
}
|
|
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
if(!buffers[i])
|
|
continue;
|
|
|
|
if((buffer=VerifyBuffer(device->BufferList, buffers[i])) == NULL)
|
|
{
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
goto done;
|
|
}
|
|
|
|
if(Frequency == -1 && Format == -1)
|
|
{
|
|
Frequency = buffer->frequency;
|
|
Format = buffer->format;
|
|
}
|
|
else if(Frequency != buffer->frequency || Format != buffer->format)
|
|
{
|
|
alSetError(Context, AL_INVALID_OPERATION);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
// Change Source Type
|
|
Source->lSourceType = AL_STREAMING;
|
|
|
|
buffer = (ALbuffer*)ALTHUNK_LOOKUPENTRY(buffers[0]);
|
|
|
|
// All buffers are valid - so add them to the list
|
|
BufferListStart = malloc(sizeof(ALbufferlistitem));
|
|
BufferListStart->buffer = buffer;
|
|
BufferListStart->next = NULL;
|
|
|
|
// Increment reference counter for buffer
|
|
if(buffer) buffer->refcount++;
|
|
|
|
BufferList = BufferListStart;
|
|
|
|
for(i = 1;i < n;i++)
|
|
{
|
|
buffer = (ALbuffer*)ALTHUNK_LOOKUPENTRY(buffers[i]);
|
|
|
|
BufferList->next = malloc(sizeof(ALbufferlistitem));
|
|
BufferList->next->buffer = buffer;
|
|
BufferList->next->next = NULL;
|
|
|
|
// Increment reference counter for buffer
|
|
if(buffer) buffer->refcount++;
|
|
|
|
BufferList = BufferList->next;
|
|
}
|
|
|
|
if(Source->queue == NULL)
|
|
{
|
|
Source->queue = BufferListStart;
|
|
// Update Current Buffer
|
|
Source->Buffer = BufferListStart->buffer;
|
|
}
|
|
else
|
|
{
|
|
// Find end of queue
|
|
BufferList = Source->queue;
|
|
while(BufferList->next != NULL)
|
|
BufferList = BufferList->next;
|
|
|
|
BufferList->next = BufferListStart;
|
|
}
|
|
|
|
// Update number of buffers in queue
|
|
Source->BuffersInQueue += n;
|
|
// If no previous format, mark the source dirty now that it may have one
|
|
if(!HadFormat)
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
|
|
done:
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
|
|
// Implementation assumes that n is the number of buffers to be removed from the queue and buffers is
|
|
// an array of buffer IDs that are to be filled with the names of the buffers removed
|
|
AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers( ALuint source, ALsizei n, ALuint* buffers )
|
|
{
|
|
ALCcontext *Context;
|
|
ALsource *Source;
|
|
ALsizei i;
|
|
ALbufferlistitem *BufferList;
|
|
|
|
if(n == 0)
|
|
return;
|
|
|
|
Context = GetContextSuspended();
|
|
if(!Context) return;
|
|
|
|
if((Source=VerifySource(Context->SourceList, source)) == NULL)
|
|
{
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
goto done;
|
|
}
|
|
|
|
if(Source->bLooping || (ALuint)n > Source->BuffersPlayed)
|
|
{
|
|
// Some buffers can't be unqueue because they have not been processed
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
goto done;
|
|
}
|
|
|
|
for(i = 0;i < n;i++)
|
|
{
|
|
BufferList = Source->queue;
|
|
Source->queue = BufferList->next;
|
|
|
|
if(BufferList->buffer)
|
|
{
|
|
// Record name of buffer
|
|
buffers[i] = BufferList->buffer->buffer;
|
|
// Decrement buffer reference counter
|
|
BufferList->buffer->refcount--;
|
|
}
|
|
else
|
|
buffers[i] = 0;
|
|
|
|
// Release memory for buffer list item
|
|
free(BufferList);
|
|
Source->BuffersInQueue--;
|
|
}
|
|
|
|
if(Source->state != AL_PLAYING)
|
|
{
|
|
if(Source->queue)
|
|
Source->Buffer = Source->queue->buffer;
|
|
else
|
|
Source->Buffer = NULL;
|
|
}
|
|
Source->BuffersPlayed -= n;
|
|
|
|
done:
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
|
|
static ALvoid InitSourceParams(ALsource *Source)
|
|
{
|
|
Source->flInnerAngle = 360.0f;
|
|
Source->flOuterAngle = 360.0f;
|
|
Source->flPitch = 1.0f;
|
|
Source->vPosition[0] = 0.0f;
|
|
Source->vPosition[1] = 0.0f;
|
|
Source->vPosition[2] = 0.0f;
|
|
Source->vOrientation[0] = 0.0f;
|
|
Source->vOrientation[1] = 0.0f;
|
|
Source->vOrientation[2] = 0.0f;
|
|
Source->vVelocity[0] = 0.0f;
|
|
Source->vVelocity[1] = 0.0f;
|
|
Source->vVelocity[2] = 0.0f;
|
|
Source->flRefDistance = 1.0f;
|
|
Source->flMaxDistance = FLT_MAX;
|
|
Source->flRollOffFactor = 1.0f;
|
|
Source->bLooping = AL_FALSE;
|
|
Source->flGain = 1.0f;
|
|
Source->flMinGain = 0.0f;
|
|
Source->flMaxGain = 1.0f;
|
|
Source->flOuterGain = 0.0f;
|
|
Source->OuterGainHF = 1.0f;
|
|
|
|
Source->DryGainHFAuto = AL_TRUE;
|
|
Source->WetGainAuto = AL_TRUE;
|
|
Source->WetGainHFAuto = AL_TRUE;
|
|
Source->AirAbsorptionFactor = 0.0f;
|
|
Source->RoomRolloffFactor = 0.0f;
|
|
Source->DopplerFactor = 1.0f;
|
|
|
|
Source->DistanceModel = AL_INVERSE_DISTANCE_CLAMPED;
|
|
|
|
Source->Resampler = DefaultResampler;
|
|
|
|
Source->state = AL_INITIAL;
|
|
Source->lSourceType = AL_UNDETERMINED;
|
|
|
|
Source->NeedsUpdate = AL_TRUE;
|
|
|
|
Source->Buffer = NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
GetSourceOffset
|
|
|
|
Gets the current playback position in the given Source, in the appropriate format (Bytes, Samples or MilliSeconds)
|
|
The offset is relative to the start of the queue (not the start of the current buffer)
|
|
*/
|
|
static ALvoid GetSourceOffset(ALsource *Source, ALenum name, ALdouble *offset, ALdouble updateLen)
|
|
{
|
|
ALbufferlistitem *BufferList;
|
|
ALbuffer *Buffer = NULL;
|
|
ALfloat BufferFreq;
|
|
ALint Channels, Bytes;
|
|
ALint readPos, writePos;
|
|
ALenum OriginalFormat;
|
|
ALint TotalBufferDataSize;
|
|
ALuint i;
|
|
|
|
// Find the first non-NULL Buffer in the Queue
|
|
BufferList = Source->queue;
|
|
while(BufferList)
|
|
{
|
|
if(BufferList->buffer)
|
|
{
|
|
Buffer = BufferList->buffer;
|
|
break;
|
|
}
|
|
BufferList = BufferList->next;
|
|
}
|
|
|
|
if((Source->state != AL_PLAYING && Source->state != AL_PAUSED) || !Buffer)
|
|
{
|
|
offset[0] = 0.0f;
|
|
offset[1] = 0.0f;
|
|
return;
|
|
}
|
|
|
|
// Get Current Buffer Size and frequency (in milliseconds)
|
|
BufferFreq = (ALfloat)Buffer->frequency;
|
|
OriginalFormat = Buffer->eOriginalFormat;
|
|
Channels = aluChannelsFromFormat(Buffer->format);
|
|
Bytes = aluBytesFromFormat(Buffer->format);
|
|
|
|
// Get Current BytesPlayed (NOTE : This is the byte offset into the *current* buffer)
|
|
readPos = Source->position * Channels * Bytes;
|
|
// Add byte length of any processed buffers in the queue
|
|
TotalBufferDataSize = 0;
|
|
BufferList = Source->queue;
|
|
for(i = 0;BufferList;i++)
|
|
{
|
|
if(BufferList->buffer)
|
|
{
|
|
if(i < Source->BuffersPlayed)
|
|
readPos += BufferList->buffer->size;
|
|
TotalBufferDataSize += BufferList->buffer->size;
|
|
}
|
|
BufferList = BufferList->next;
|
|
}
|
|
if(Source->state == AL_PLAYING)
|
|
writePos = readPos + ((ALuint)(updateLen*BufferFreq) * Channels * Bytes);
|
|
else
|
|
writePos = readPos;
|
|
|
|
if(Source->bLooping)
|
|
{
|
|
readPos %= TotalBufferDataSize;
|
|
writePos %= TotalBufferDataSize;
|
|
}
|
|
else
|
|
{
|
|
// Clamp BytesPlayed to within 0 and lTotalBufferDataSize
|
|
if(readPos < 0)
|
|
readPos = 0;
|
|
else if(readPos > TotalBufferDataSize)
|
|
readPos = TotalBufferDataSize;
|
|
if(writePos < 0)
|
|
writePos = 0;
|
|
else if(writePos > TotalBufferDataSize)
|
|
writePos = TotalBufferDataSize;
|
|
}
|
|
|
|
switch(name)
|
|
{
|
|
case AL_SEC_OFFSET:
|
|
offset[0] = (ALdouble)readPos / (Channels * Bytes * BufferFreq);
|
|
offset[1] = (ALdouble)writePos / (Channels * Bytes * BufferFreq);
|
|
break;
|
|
case AL_SAMPLE_OFFSET:
|
|
case AL_SAMPLE_RW_OFFSETS_EXT:
|
|
offset[0] = (ALdouble)(readPos / (Channels * Bytes));
|
|
offset[1] = (ALdouble)(writePos / (Channels * Bytes));
|
|
break;
|
|
case AL_BYTE_OFFSET:
|
|
case AL_BYTE_RW_OFFSETS_EXT:
|
|
// Take into account the original format of the Buffer
|
|
if((OriginalFormat == AL_FORMAT_MONO_IMA4) ||
|
|
(OriginalFormat == AL_FORMAT_STEREO_IMA4))
|
|
{
|
|
// Round down to nearest ADPCM block
|
|
offset[0] = (ALdouble)((readPos / (65 * Bytes * Channels)) * 36 * Channels);
|
|
if(Source->state == AL_PLAYING)
|
|
{
|
|
// Round up to nearest ADPCM block
|
|
offset[1] = (ALdouble)(((writePos + (65 * Bytes * Channels) - 1) / (65 * Bytes * Channels)) * 36 * Channels);
|
|
}
|
|
else
|
|
offset[1] = offset[0];
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_MONO_MULAW ||
|
|
OriginalFormat == AL_FORMAT_STEREO_MULAW ||
|
|
OriginalFormat == AL_FORMAT_QUAD_MULAW ||
|
|
OriginalFormat == AL_FORMAT_51CHN_MULAW ||
|
|
OriginalFormat == AL_FORMAT_61CHN_MULAW ||
|
|
OriginalFormat == AL_FORMAT_71CHN_MULAW)
|
|
{
|
|
offset[0] = (ALdouble)(readPos / Bytes * 1);
|
|
offset[1] = (ALdouble)(writePos / Bytes * 1);
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_REAR_MULAW)
|
|
{
|
|
offset[0] = (ALdouble)(readPos / 2 / Bytes * 1);
|
|
offset[1] = (ALdouble)(writePos / 2 / Bytes * 1);
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_REAR8)
|
|
{
|
|
offset[0] = (ALdouble)(readPos / 2 / Bytes * 1);
|
|
offset[1] = (ALdouble)(writePos / 2 / Bytes * 1);
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_REAR16)
|
|
{
|
|
offset[0] = (ALdouble)(readPos / 2 / Bytes * 2);
|
|
offset[1] = (ALdouble)(writePos / 2 / Bytes * 2);
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_REAR32)
|
|
{
|
|
offset[0] = (ALdouble)(readPos / 2 / Bytes * 4);
|
|
offset[1] = (ALdouble)(writePos / 2 / Bytes * 4);
|
|
}
|
|
else
|
|
{
|
|
ALuint OrigBytes = aluBytesFromFormat(OriginalFormat);
|
|
offset[0] = (ALdouble)(readPos / Bytes * OrigBytes);
|
|
offset[1] = (ALdouble)(writePos / Bytes * OrigBytes);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
ApplyOffset
|
|
|
|
Apply a playback offset to the Source. This function will update the queue (to correctly
|
|
mark buffers as 'pending' or 'processed' depending upon the new offset.
|
|
*/
|
|
static ALboolean ApplyOffset(ALsource *Source)
|
|
{
|
|
ALbufferlistitem *BufferList;
|
|
ALbuffer *Buffer;
|
|
ALint lBufferSize, lTotalBufferSize;
|
|
ALint lByteOffset;
|
|
|
|
// Get true byte offset
|
|
lByteOffset = GetByteOffset(Source);
|
|
|
|
// If the offset is invalid, don't apply it
|
|
if(lByteOffset == -1)
|
|
return AL_FALSE;
|
|
|
|
// Sort out the queue (pending and processed states)
|
|
BufferList = Source->queue;
|
|
lTotalBufferSize = 0;
|
|
Source->BuffersPlayed = 0;
|
|
|
|
while(BufferList)
|
|
{
|
|
Buffer = BufferList->buffer;
|
|
lBufferSize = Buffer ? Buffer->size : 0;
|
|
|
|
if(lTotalBufferSize+lBufferSize <= lByteOffset)
|
|
{
|
|
// Offset is past this buffer so increment BuffersPlayed
|
|
Source->BuffersPlayed++;
|
|
}
|
|
else if(lTotalBufferSize <= lByteOffset)
|
|
{
|
|
// Offset is within this buffer
|
|
// Set Current Buffer
|
|
Source->Buffer = BufferList->buffer;
|
|
|
|
// SW Mixer Positions are in Samples
|
|
Source->position = (lByteOffset - lTotalBufferSize) /
|
|
aluBytesFromFormat(Buffer->format) /
|
|
aluChannelsFromFormat(Buffer->format);
|
|
break;
|
|
}
|
|
|
|
// Increment the TotalBufferSize
|
|
lTotalBufferSize += lBufferSize;
|
|
|
|
// Move on to next buffer in the Queue
|
|
BufferList = BufferList->next;
|
|
}
|
|
|
|
return AL_TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
GetByteOffset
|
|
|
|
Returns the 'true' byte offset into the Source's queue (from the Sample, Byte or Millisecond
|
|
offset supplied by the application). This takes into account the fact that the buffer format
|
|
may have been modifed by AL (e.g 8bit samples are converted to float)
|
|
*/
|
|
static ALint GetByteOffset(ALsource *Source)
|
|
{
|
|
ALbuffer *Buffer = NULL;
|
|
ALbufferlistitem *BufferList;
|
|
ALfloat BufferFreq;
|
|
ALint Channels, Bytes;
|
|
ALint ByteOffset = -1;
|
|
ALint TotalBufferDataSize;
|
|
ALenum OriginalFormat;
|
|
|
|
// Find the first non-NULL Buffer in the Queue
|
|
BufferList = Source->queue;
|
|
while(BufferList)
|
|
{
|
|
if(BufferList->buffer)
|
|
{
|
|
Buffer = BufferList->buffer;
|
|
break;
|
|
}
|
|
BufferList = BufferList->next;
|
|
}
|
|
|
|
if(!Buffer)
|
|
{
|
|
Source->lOffset = 0;
|
|
return -1;
|
|
}
|
|
|
|
BufferFreq = ((ALfloat)Buffer->frequency);
|
|
Channels = aluChannelsFromFormat(Buffer->format);
|
|
Bytes = aluBytesFromFormat(Buffer->format);
|
|
OriginalFormat = Buffer->eOriginalFormat;
|
|
|
|
// Determine the ByteOffset (and ensure it is block aligned)
|
|
switch(Source->lOffsetType)
|
|
{
|
|
case AL_BYTE_OFFSET:
|
|
// Take into consideration the original format
|
|
if(OriginalFormat == AL_FORMAT_MONO_IMA4 ||
|
|
OriginalFormat == AL_FORMAT_STEREO_IMA4)
|
|
{
|
|
// Round down to nearest ADPCM block
|
|
ByteOffset = Source->lOffset / (36 * Channels);
|
|
// Multiply by compression rate (65 samples per 36 byte block)
|
|
ByteOffset = ByteOffset * 65 * Channels * Bytes;
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_MONO_MULAW ||
|
|
OriginalFormat == AL_FORMAT_STEREO_MULAW ||
|
|
OriginalFormat == AL_FORMAT_QUAD_MULAW ||
|
|
OriginalFormat == AL_FORMAT_51CHN_MULAW ||
|
|
OriginalFormat == AL_FORMAT_61CHN_MULAW ||
|
|
OriginalFormat == AL_FORMAT_71CHN_MULAW)
|
|
{
|
|
/* muLaw has 1 byte per sample */
|
|
ByteOffset = Source->lOffset / 1 * Bytes;
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_REAR_MULAW)
|
|
{
|
|
/* Rear is converted from 2 -> 4 channel */
|
|
ByteOffset = Source->lOffset / 1 * Bytes * 2;
|
|
}
|
|
else if(OriginalFormat == AL_FORMAT_REAR8)
|
|
ByteOffset = Source->lOffset / 1 * Bytes * 2;
|
|
else if(OriginalFormat == AL_FORMAT_REAR16)
|
|
ByteOffset = Source->lOffset / 2 * Bytes * 2;
|
|
else if(OriginalFormat == AL_FORMAT_REAR32)
|
|
ByteOffset = Source->lOffset / 4 * Bytes * 2;
|
|
else
|
|
{
|
|
ALuint OrigBytes = aluBytesFromFormat(OriginalFormat);
|
|
ByteOffset = Source->lOffset / OrigBytes * Bytes;
|
|
}
|
|
ByteOffset -= (ByteOffset % (Channels * Bytes));
|
|
break;
|
|
|
|
case AL_SAMPLE_OFFSET:
|
|
ByteOffset = Source->lOffset * Channels * Bytes;
|
|
break;
|
|
|
|
case AL_SEC_OFFSET:
|
|
// Note - lOffset is internally stored as Milliseconds
|
|
ByteOffset = (ALint)(Source->lOffset / 1000.0f * BufferFreq);
|
|
ByteOffset *= Channels * Bytes;
|
|
break;
|
|
}
|
|
// Clear Offset
|
|
Source->lOffset = 0;
|
|
|
|
TotalBufferDataSize = 0;
|
|
BufferList = Source->queue;
|
|
while(BufferList)
|
|
{
|
|
if(BufferList->buffer)
|
|
TotalBufferDataSize += BufferList->buffer->size;
|
|
BufferList = BufferList->next;
|
|
}
|
|
|
|
// Finally, if the ByteOffset is beyond the length of all the buffers in
|
|
// the queue, return -1
|
|
if(ByteOffset >= TotalBufferDataSize)
|
|
return -1;
|
|
return ByteOffset;
|
|
}
|
|
|
|
|
|
ALvoid ReleaseALSources(ALCcontext *Context)
|
|
{
|
|
ALuint j;
|
|
|
|
while(Context->SourceList)
|
|
{
|
|
ALsource *temp = Context->SourceList;
|
|
Context->SourceList = temp->next;
|
|
|
|
// For each buffer in the source's queue, decrement its reference counter and remove it
|
|
while(temp->queue != NULL)
|
|
{
|
|
ALbufferlistitem *BufferList = temp->queue;
|
|
// Decrement buffer's reference counter
|
|
if(BufferList->buffer != NULL)
|
|
BufferList->buffer->refcount--;
|
|
// Update queue to point to next element in list
|
|
temp->queue = BufferList->next;
|
|
// Release memory allocated for buffer list item
|
|
free(BufferList);
|
|
}
|
|
|
|
for(j = 0;j < MAX_SENDS;++j)
|
|
{
|
|
if(temp->Send[j].Slot)
|
|
temp->Send[j].Slot->refcount--;
|
|
}
|
|
|
|
// Release source structure
|
|
ALTHUNK_REMOVEENTRY(temp->source);
|
|
memset(temp, 0, sizeof(ALsource));
|
|
free(temp);
|
|
}
|
|
Context->SourceCount = 0;
|
|
}
|