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5dcbb8db38
AuroraOpenALSoft/OpenAL32/alSource.c
Chris Robinson 5dcbb8db38 Make the buffer list next pointer atomic
2017-04-19 19:54:17 -07:00

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <limits.h>
#include <math.h>
#include <float.h>
#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alError.h"
#include "alSource.h"
#include "alBuffer.h"
#include "alThunk.h"
#include "alAuxEffectSlot.h"
#include "backends/base.h"
#include "threads.h"
#include "almalloc.h"
extern inline void LockSourcesRead(ALCcontext *context);
extern inline void UnlockSourcesRead(ALCcontext *context);
extern inline void LockSourcesWrite(ALCcontext *context);
extern inline void UnlockSourcesWrite(ALCcontext *context);
extern inline struct ALsource *LookupSource(ALCcontext *context, ALuint id);
extern inline struct ALsource *RemoveSource(ALCcontext *context, ALuint id);
static void InitSourceParams(ALsource *Source, ALsizei num_sends);
static void DeinitSource(ALsource *source, ALsizei num_sends);
static void UpdateSourceProps(ALsource *source, ALvoice *voice, ALsizei num_sends);
static ALint64 GetSourceSampleOffset(ALsource *Source, ALCcontext *context, ALuint64 *clocktime);
static ALdouble GetSourceSecOffset(ALsource *Source, ALCcontext *context, ALuint64 *clocktime);
static ALdouble GetSourceOffset(ALsource *Source, ALenum name, ALCcontext *context);
static ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALsizei *frac);
static ALboolean ApplyOffset(ALsource *Source, ALvoice *voice);
typedef enum SourceProp {
srcPitch = AL_PITCH,
srcGain = AL_GAIN,
srcMinGain = AL_MIN_GAIN,
srcMaxGain = AL_MAX_GAIN,
srcMaxDistance = AL_MAX_DISTANCE,
srcRolloffFactor = AL_ROLLOFF_FACTOR,
srcDopplerFactor = AL_DOPPLER_FACTOR,
srcConeOuterGain = AL_CONE_OUTER_GAIN,
srcSecOffset = AL_SEC_OFFSET,
srcSampleOffset = AL_SAMPLE_OFFSET,
srcByteOffset = AL_BYTE_OFFSET,
srcConeInnerAngle = AL_CONE_INNER_ANGLE,
srcConeOuterAngle = AL_CONE_OUTER_ANGLE,
srcRefDistance = AL_REFERENCE_DISTANCE,
srcPosition = AL_POSITION,
srcVelocity = AL_VELOCITY,
srcDirection = AL_DIRECTION,
srcSourceRelative = AL_SOURCE_RELATIVE,
srcLooping = AL_LOOPING,
srcBuffer = AL_BUFFER,
srcSourceState = AL_SOURCE_STATE,
srcBuffersQueued = AL_BUFFERS_QUEUED,
srcBuffersProcessed = AL_BUFFERS_PROCESSED,
srcSourceType = AL_SOURCE_TYPE,
/* ALC_EXT_EFX */
srcConeOuterGainHF = AL_CONE_OUTER_GAINHF,
srcAirAbsorptionFactor = AL_AIR_ABSORPTION_FACTOR,
srcRoomRolloffFactor = AL_ROOM_ROLLOFF_FACTOR,
srcDirectFilterGainHFAuto = AL_DIRECT_FILTER_GAINHF_AUTO,
srcAuxSendFilterGainAuto = AL_AUXILIARY_SEND_FILTER_GAIN_AUTO,
srcAuxSendFilterGainHFAuto = AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO,
srcDirectFilter = AL_DIRECT_FILTER,
srcAuxSendFilter = AL_AUXILIARY_SEND_FILTER,
/* AL_SOFT_direct_channels */
srcDirectChannelsSOFT = AL_DIRECT_CHANNELS_SOFT,
/* AL_EXT_source_distance_model */
srcDistanceModel = AL_DISTANCE_MODEL,
srcByteLengthSOFT = AL_BYTE_LENGTH_SOFT,
srcSampleLengthSOFT = AL_SAMPLE_LENGTH_SOFT,
srcSecLengthSOFT = AL_SEC_LENGTH_SOFT,
/* AL_SOFT_source_latency */
srcSampleOffsetLatencySOFT = AL_SAMPLE_OFFSET_LATENCY_SOFT,
srcSecOffsetLatencySOFT = AL_SEC_OFFSET_LATENCY_SOFT,
/* AL_EXT_STEREO_ANGLES */
srcAngles = AL_STEREO_ANGLES,
/* AL_EXT_SOURCE_RADIUS */
srcRadius = AL_SOURCE_RADIUS,
/* AL_EXT_BFORMAT */
srcOrientation = AL_ORIENTATION,
} SourceProp;
static ALboolean SetSourcefv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALfloat *values);
static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALint *values);
static ALboolean SetSourcei64v(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALint64SOFT *values);
static ALboolean GetSourcedv(ALsource *Source, ALCcontext *Context, SourceProp prop, ALdouble *values);
static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp prop, ALint *values);
static ALboolean GetSourcei64v(ALsource *Source, ALCcontext *Context, SourceProp prop, ALint64 *values);
static inline ALvoice *GetSourceVoice(const ALsource *source, const ALCcontext *context)
{
ALvoice **voice = context->Voices;
ALvoice **voice_end = voice + context->VoiceCount;
while(voice != voice_end)
{
if(ATOMIC_LOAD(&(*voice)->Source, almemory_order_acquire) == source)
return *voice;
++voice;
}
return NULL;
}
/**
* Returns if the last known state for the source was playing or paused. Does
* not sync with the mixer voice.
*/
static inline bool IsPlayingOrPaused(ALsource *source)
{
ALenum state = ATOMIC_LOAD(&source->state, almemory_order_acquire);
return state == AL_PLAYING || state == AL_PAUSED;
}
/**
* Returns an updated source state using the matching voice's status (or lack
* thereof).
*/
static inline ALenum GetSourceState(ALsource *source, ALvoice *voice)
{
if(!voice)
{
ALenum state = AL_PLAYING;
if(ATOMIC_COMPARE_EXCHANGE_STRONG(&source->state, &state, AL_STOPPED,
almemory_order_acq_rel, almemory_order_acquire))
return AL_STOPPED;
return state;
}
return ATOMIC_LOAD(&source->state, almemory_order_acquire);
}
/**
* Returns if the source should specify an update, given the context's
* deferring state and the source's last known state.
*/
static inline bool SourceShouldUpdate(ALsource *source, ALCcontext *context)
{
return !ATOMIC_LOAD(&context->DeferUpdates, almemory_order_acquire) &&
IsPlayingOrPaused(source);
}
static ALint FloatValsByProp(ALenum prop)
{
if(prop != (ALenum)((SourceProp)prop))
return 0;
switch((SourceProp)prop)
{
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:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
case AL_DISTANCE_MODEL:
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_SOURCE_STATE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_SOURCE_TYPE:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SEC_LENGTH_SOFT:
case AL_SOURCE_RADIUS:
return 1;
case AL_STEREO_ANGLES:
return 2;
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
return 3;
case AL_ORIENTATION:
return 6;
case AL_SEC_OFFSET_LATENCY_SOFT:
break; /* Double only */
case AL_BUFFER:
case AL_DIRECT_FILTER:
case AL_AUXILIARY_SEND_FILTER:
break; /* i/i64 only */
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
break; /* i64 only */
}
return 0;
}
static ALint DoubleValsByProp(ALenum prop)
{
if(prop != (ALenum)((SourceProp)prop))
return 0;
switch((SourceProp)prop)
{
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:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
case AL_DISTANCE_MODEL:
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_SOURCE_STATE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_SOURCE_TYPE:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SEC_LENGTH_SOFT:
case AL_SOURCE_RADIUS:
return 1;
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_STEREO_ANGLES:
return 2;
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
return 3;
case AL_ORIENTATION:
return 6;
case AL_BUFFER:
case AL_DIRECT_FILTER:
case AL_AUXILIARY_SEND_FILTER:
break; /* i/i64 only */
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
break; /* i64 only */
}
return 0;
}
static ALint IntValsByProp(ALenum prop)
{
if(prop != (ALenum)((SourceProp)prop))
return 0;
switch((SourceProp)prop)
{
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:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
case AL_DISTANCE_MODEL:
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_BUFFER:
case AL_SOURCE_STATE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_SOURCE_TYPE:
case AL_DIRECT_FILTER:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SEC_LENGTH_SOFT:
case AL_SOURCE_RADIUS:
return 1;
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
case AL_AUXILIARY_SEND_FILTER:
return 3;
case AL_ORIENTATION:
return 6;
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
break; /* i64 only */
case AL_SEC_OFFSET_LATENCY_SOFT:
break; /* Double only */
case AL_STEREO_ANGLES:
break; /* Float/double only */
}
return 0;
}
static ALint Int64ValsByProp(ALenum prop)
{
if(prop != (ALenum)((SourceProp)prop))
return 0;
switch((SourceProp)prop)
{
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:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
case AL_DISTANCE_MODEL:
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_BUFFER:
case AL_SOURCE_STATE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_SOURCE_TYPE:
case AL_DIRECT_FILTER:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SEC_LENGTH_SOFT:
case AL_SOURCE_RADIUS:
return 1;
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
return 2;
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
case AL_AUXILIARY_SEND_FILTER:
return 3;
case AL_ORIENTATION:
return 6;
case AL_SEC_OFFSET_LATENCY_SOFT:
break; /* Double only */
case AL_STEREO_ANGLES:
break; /* Float/double only */
}
return 0;
}
#define CHECKVAL(x) do { \
if(!(x)) \
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_VALUE, AL_FALSE); \
} while(0)
#define DO_UPDATEPROPS() do { \
ALvoice *voice; \
if(SourceShouldUpdate(Source, Context) && \
(voice=GetSourceVoice(Source, Context)) != NULL) \
UpdateSourceProps(Source, voice, device->NumAuxSends); \
else \
ATOMIC_FLAG_CLEAR(&Source->PropsClean, almemory_order_release); \
} while(0)
static ALboolean SetSourcefv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALfloat *values)
{
ALCdevice *device = Context->Device;
ALint ival;
switch(prop)
{
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SEC_LENGTH_SOFT:
case AL_SEC_OFFSET_LATENCY_SOFT:
/* Query only */
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_OPERATION, AL_FALSE);
case AL_PITCH:
CHECKVAL(*values >= 0.0f);
Source->Pitch = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_CONE_INNER_ANGLE:
CHECKVAL(*values >= 0.0f && *values <= 360.0f);
Source->InnerAngle = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_CONE_OUTER_ANGLE:
CHECKVAL(*values >= 0.0f && *values <= 360.0f);
Source->OuterAngle = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_GAIN:
CHECKVAL(*values >= 0.0f);
Source->Gain = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_MAX_DISTANCE:
CHECKVAL(*values >= 0.0f);
Source->MaxDistance = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_ROLLOFF_FACTOR:
CHECKVAL(*values >= 0.0f);
Source->RollOffFactor = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_REFERENCE_DISTANCE:
CHECKVAL(*values >= 0.0f);
Source->RefDistance = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_MIN_GAIN:
CHECKVAL(*values >= 0.0f);
Source->MinGain = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_MAX_GAIN:
CHECKVAL(*values >= 0.0f);
Source->MaxGain = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_CONE_OUTER_GAIN:
CHECKVAL(*values >= 0.0f && *values <= 1.0f);
Source->OuterGain = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_CONE_OUTER_GAINHF:
CHECKVAL(*values >= 0.0f && *values <= 1.0f);
Source->OuterGainHF = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_AIR_ABSORPTION_FACTOR:
CHECKVAL(*values >= 0.0f && *values <= 10.0f);
Source->AirAbsorptionFactor = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_ROOM_ROLLOFF_FACTOR:
CHECKVAL(*values >= 0.0f && *values <= 10.0f);
Source->RoomRolloffFactor = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_DOPPLER_FACTOR:
CHECKVAL(*values >= 0.0f && *values <= 1.0f);
Source->DopplerFactor = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_SEC_OFFSET:
case AL_SAMPLE_OFFSET:
case AL_BYTE_OFFSET:
CHECKVAL(*values >= 0.0f);
Source->OffsetType = prop;
Source->Offset = *values;
if(IsPlayingOrPaused(Source))
{
ALvoice *voice;
ALCdevice_Lock(Context->Device);
/* Double-check that the source is still playing while we have
* the lock.
*/
voice = GetSourceVoice(Source, Context);
if(voice)
{
WriteLock(&Source->queue_lock);
if(ApplyOffset(Source, voice) == AL_FALSE)
{
WriteUnlock(&Source->queue_lock);
ALCdevice_Unlock(Context->Device);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_VALUE, AL_FALSE);
}
WriteUnlock(&Source->queue_lock);
}
ALCdevice_Unlock(Context->Device);
}
return AL_TRUE;
case AL_SOURCE_RADIUS:
CHECKVAL(*values >= 0.0f && isfinite(*values));
Source->Radius = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_STEREO_ANGLES:
CHECKVAL(isfinite(values[0]) && isfinite(values[1]));
Source->StereoPan[0] = values[0];
Source->StereoPan[1] = values[1];
DO_UPDATEPROPS();
return AL_TRUE;
case AL_POSITION:
CHECKVAL(isfinite(values[0]) && isfinite(values[1]) && isfinite(values[2]));
Source->Position[0] = values[0];
Source->Position[1] = values[1];
Source->Position[2] = values[2];
DO_UPDATEPROPS();
return AL_TRUE;
case AL_VELOCITY:
CHECKVAL(isfinite(values[0]) && isfinite(values[1]) && isfinite(values[2]));
Source->Velocity[0] = values[0];
Source->Velocity[1] = values[1];
Source->Velocity[2] = values[2];
DO_UPDATEPROPS();
return AL_TRUE;
case AL_DIRECTION:
CHECKVAL(isfinite(values[0]) && isfinite(values[1]) && isfinite(values[2]));
Source->Direction[0] = values[0];
Source->Direction[1] = values[1];
Source->Direction[2] = values[2];
DO_UPDATEPROPS();
return AL_TRUE;
case AL_ORIENTATION:
CHECKVAL(isfinite(values[0]) && isfinite(values[1]) && isfinite(values[2]) &&
isfinite(values[3]) && isfinite(values[4]) && isfinite(values[5]));
Source->Orientation[0][0] = values[0];
Source->Orientation[0][1] = values[1];
Source->Orientation[0][2] = values[2];
Source->Orientation[1][0] = values[3];
Source->Orientation[1][1] = values[4];
Source->Orientation[1][2] = values[5];
DO_UPDATEPROPS();
return AL_TRUE;
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_SOURCE_STATE:
case AL_SOURCE_TYPE:
case AL_DISTANCE_MODEL:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
ival = (ALint)values[0];
return SetSourceiv(Source, Context, prop, &ival);
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
ival = (ALint)((ALuint)values[0]);
return SetSourceiv(Source, Context, prop, &ival);
case AL_BUFFER:
case AL_DIRECT_FILTER:
case AL_AUXILIARY_SEND_FILTER:
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE);
}
static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALint *values)
{
ALCdevice *device = Context->Device;
ALbuffer *buffer = NULL;
ALfilter *filter = NULL;
ALeffectslot *slot = NULL;
ALbufferlistitem *oldlist;
ALfloat fvals[6];
switch(prop)
{
case AL_SOURCE_STATE:
case AL_SOURCE_TYPE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SEC_LENGTH_SOFT:
/* Query only */
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_OPERATION, AL_FALSE);
case AL_SOURCE_RELATIVE:
CHECKVAL(*values == AL_FALSE || *values == AL_TRUE);
Source->HeadRelative = (ALboolean)*values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_LOOPING:
CHECKVAL(*values == AL_FALSE || *values == AL_TRUE);
WriteLock(&Source->queue_lock);
Source->Looping = (ALboolean)*values;
if(IsPlayingOrPaused(Source))
{
ALvoice *voice = GetSourceVoice(Source, Context);
if(voice)
{
if(Source->Looping)
ATOMIC_STORE(&voice->loop_buffer, Source->queue, almemory_order_release);
else
ATOMIC_STORE(&voice->loop_buffer, NULL, almemory_order_release);
/* If the source is playing, wait for the current mix to finish
* to ensure it isn't currently looping back or reaching the
* end.
*/
while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
althrd_yield();
}
}
WriteUnlock(&Source->queue_lock);
return AL_TRUE;
case AL_BUFFER:
LockBuffersRead(device);
if(!(*values == 0 || (buffer=LookupBuffer(device, *values)) != NULL))
{
UnlockBuffersRead(device);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_VALUE, AL_FALSE);
}
WriteLock(&Source->queue_lock);
{
ALenum state = GetSourceState(Source, GetSourceVoice(Source, Context));
if(state == AL_PLAYING || state == AL_PAUSED)
{
WriteUnlock(&Source->queue_lock);
UnlockBuffersRead(device);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_OPERATION, AL_FALSE);
}
}
oldlist = Source->queue;
if(buffer != NULL)
{
/* Add the selected buffer to a one-item queue */
ALbufferlistitem *newlist = al_calloc(DEF_ALIGN, sizeof(ALbufferlistitem));
newlist->buffer = buffer;
ATOMIC_INIT(&newlist->next, NULL);
IncrementRef(&buffer->ref);
/* Source is now Static */
Source->SourceType = AL_STATIC;
Source->queue = newlist;
}
else
{
/* Source is now Undetermined */
Source->SourceType = AL_UNDETERMINED;
Source->queue = NULL;
}
WriteUnlock(&Source->queue_lock);
UnlockBuffersRead(device);
/* Delete all elements in the previous queue */
while(oldlist != NULL)
{
ALbufferlistitem *temp = oldlist;
oldlist = ATOMIC_LOAD(&temp->next, almemory_order_relaxed);
if(temp->buffer)
DecrementRef(&temp->buffer->ref);
al_free(temp);
}
return AL_TRUE;
case AL_SEC_OFFSET:
case AL_SAMPLE_OFFSET:
case AL_BYTE_OFFSET:
CHECKVAL(*values >= 0);
Source->OffsetType = prop;
Source->Offset = *values;
if(IsPlayingOrPaused(Source))
{
ALvoice *voice;
ALCdevice_Lock(Context->Device);
voice = GetSourceVoice(Source, Context);
if(voice)
{
WriteLock(&Source->queue_lock);
if(ApplyOffset(Source, voice) == AL_FALSE)
{
WriteUnlock(&Source->queue_lock);
ALCdevice_Unlock(Context->Device);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_VALUE, AL_FALSE);
}
WriteUnlock(&Source->queue_lock);
}
ALCdevice_Unlock(Context->Device);
}
return AL_TRUE;
case AL_DIRECT_FILTER:
LockFiltersRead(device);
if(!(*values == 0 || (filter=LookupFilter(device, *values)) != NULL))
{
UnlockFiltersRead(device);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_VALUE, AL_FALSE);
}
if(!filter)
{
Source->Direct.Gain = 1.0f;
Source->Direct.GainHF = 1.0f;
Source->Direct.HFReference = LOWPASSFREQREF;
Source->Direct.GainLF = 1.0f;
Source->Direct.LFReference = HIGHPASSFREQREF;
}
else
{
Source->Direct.Gain = filter->Gain;
Source->Direct.GainHF = filter->GainHF;
Source->Direct.HFReference = filter->HFReference;
Source->Direct.GainLF = filter->GainLF;
Source->Direct.LFReference = filter->LFReference;
}
UnlockFiltersRead(device);
DO_UPDATEPROPS();
return AL_TRUE;
case AL_DIRECT_FILTER_GAINHF_AUTO:
CHECKVAL(*values == AL_FALSE || *values == AL_TRUE);
Source->DryGainHFAuto = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
CHECKVAL(*values == AL_FALSE || *values == AL_TRUE);
Source->WetGainAuto = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
CHECKVAL(*values == AL_FALSE || *values == AL_TRUE);
Source->WetGainHFAuto = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_DIRECT_CHANNELS_SOFT:
CHECKVAL(*values == AL_FALSE || *values == AL_TRUE);
Source->DirectChannels = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_DISTANCE_MODEL:
CHECKVAL(*values == AL_NONE ||
*values == AL_INVERSE_DISTANCE ||
*values == AL_INVERSE_DISTANCE_CLAMPED ||
*values == AL_LINEAR_DISTANCE ||
*values == AL_LINEAR_DISTANCE_CLAMPED ||
*values == AL_EXPONENT_DISTANCE ||
*values == AL_EXPONENT_DISTANCE_CLAMPED);
Source->DistanceModel = *values;
if(Context->SourceDistanceModel)
DO_UPDATEPROPS();
return AL_TRUE;
case AL_AUXILIARY_SEND_FILTER:
LockEffectSlotsRead(Context);
LockFiltersRead(device);
if(!((ALuint)values[1] < (ALuint)device->NumAuxSends &&
(values[0] == 0 || (slot=LookupEffectSlot(Context, values[0])) != NULL) &&
(values[2] == 0 || (filter=LookupFilter(device, values[2])) != NULL)))
{
UnlockFiltersRead(device);
UnlockEffectSlotsRead(Context);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_VALUE, AL_FALSE);
}
if(!filter)
{
/* Disable filter */
Source->Send[values[1]].Gain = 1.0f;
Source->Send[values[1]].GainHF = 1.0f;
Source->Send[values[1]].HFReference = LOWPASSFREQREF;
Source->Send[values[1]].GainLF = 1.0f;
Source->Send[values[1]].LFReference = HIGHPASSFREQREF;
}
else
{
Source->Send[values[1]].Gain = filter->Gain;
Source->Send[values[1]].GainHF = filter->GainHF;
Source->Send[values[1]].HFReference = filter->HFReference;
Source->Send[values[1]].GainLF = filter->GainLF;
Source->Send[values[1]].LFReference = filter->LFReference;
}
UnlockFiltersRead(device);
if(slot != Source->Send[values[1]].Slot && IsPlayingOrPaused(Source))
{
ALvoice *voice;
/* Add refcount on the new slot, and release the previous slot */
if(slot) IncrementRef(&slot->ref);
if(Source->Send[values[1]].Slot)
DecrementRef(&Source->Send[values[1]].Slot->ref);
Source->Send[values[1]].Slot = slot;
/* We must force an update if the auxiliary slot changed on an
* active source, in case the slot is about to be deleted.
*/
if((voice=GetSourceVoice(Source, Context)) != NULL)
UpdateSourceProps(Source, voice, device->NumAuxSends);
else
ATOMIC_FLAG_CLEAR(&Source->PropsClean, almemory_order_release);
}
else
{
if(slot) IncrementRef(&slot->ref);
if(Source->Send[values[1]].Slot)
DecrementRef(&Source->Send[values[1]].Slot->ref);
Source->Send[values[1]].Slot = slot;
DO_UPDATEPROPS();
}
UnlockEffectSlotsRead(Context);
return AL_TRUE;
/* 1x float */
case AL_CONE_INNER_ANGLE:
case AL_CONE_OUTER_ANGLE:
case AL_PITCH:
case AL_GAIN:
case AL_MIN_GAIN:
case AL_MAX_GAIN:
case AL_REFERENCE_DISTANCE:
case AL_ROLLOFF_FACTOR:
case AL_CONE_OUTER_GAIN:
case AL_MAX_DISTANCE:
case AL_DOPPLER_FACTOR:
case AL_CONE_OUTER_GAINHF:
case AL_AIR_ABSORPTION_FACTOR:
case AL_ROOM_ROLLOFF_FACTOR:
case AL_SOURCE_RADIUS:
fvals[0] = (ALfloat)*values;
return SetSourcefv(Source, Context, (int)prop, fvals);
/* 3x float */
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
fvals[0] = (ALfloat)values[0];
fvals[1] = (ALfloat)values[1];
fvals[2] = (ALfloat)values[2];
return SetSourcefv(Source, Context, (int)prop, fvals);
/* 6x float */
case AL_ORIENTATION:
fvals[0] = (ALfloat)values[0];
fvals[1] = (ALfloat)values[1];
fvals[2] = (ALfloat)values[2];
fvals[3] = (ALfloat)values[3];
fvals[4] = (ALfloat)values[4];
fvals[5] = (ALfloat)values[5];
return SetSourcefv(Source, Context, (int)prop, fvals);
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_STEREO_ANGLES:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE);
}
static ALboolean SetSourcei64v(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALint64SOFT *values)
{
ALfloat fvals[6];
ALint ivals[3];
switch(prop)
{
case AL_SOURCE_TYPE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_SOURCE_STATE:
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SEC_LENGTH_SOFT:
/* Query only */
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_OPERATION, AL_FALSE);
/* 1x int */
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_SEC_OFFSET:
case AL_SAMPLE_OFFSET:
case AL_BYTE_OFFSET:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
case AL_DISTANCE_MODEL:
CHECKVAL(*values <= INT_MAX && *values >= INT_MIN);
ivals[0] = (ALint)*values;
return SetSourceiv(Source, Context, (int)prop, ivals);
/* 1x uint */
case AL_BUFFER:
case AL_DIRECT_FILTER:
CHECKVAL(*values <= UINT_MAX && *values >= 0);
ivals[0] = (ALuint)*values;
return SetSourceiv(Source, Context, (int)prop, ivals);
/* 3x uint */
case AL_AUXILIARY_SEND_FILTER:
CHECKVAL(values[0] <= UINT_MAX && values[0] >= 0 &&
values[1] <= UINT_MAX && values[1] >= 0 &&
values[2] <= UINT_MAX && values[2] >= 0);
ivals[0] = (ALuint)values[0];
ivals[1] = (ALuint)values[1];
ivals[2] = (ALuint)values[2];
return SetSourceiv(Source, Context, (int)prop, ivals);
/* 1x float */
case AL_CONE_INNER_ANGLE:
case AL_CONE_OUTER_ANGLE:
case AL_PITCH:
case AL_GAIN:
case AL_MIN_GAIN:
case AL_MAX_GAIN:
case AL_REFERENCE_DISTANCE:
case AL_ROLLOFF_FACTOR:
case AL_CONE_OUTER_GAIN:
case AL_MAX_DISTANCE:
case AL_DOPPLER_FACTOR:
case AL_CONE_OUTER_GAINHF:
case AL_AIR_ABSORPTION_FACTOR:
case AL_ROOM_ROLLOFF_FACTOR:
case AL_SOURCE_RADIUS:
fvals[0] = (ALfloat)*values;
return SetSourcefv(Source, Context, (int)prop, fvals);
/* 3x float */
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
fvals[0] = (ALfloat)values[0];
fvals[1] = (ALfloat)values[1];
fvals[2] = (ALfloat)values[2];
return SetSourcefv(Source, Context, (int)prop, fvals);
/* 6x float */
case AL_ORIENTATION:
fvals[0] = (ALfloat)values[0];
fvals[1] = (ALfloat)values[1];
fvals[2] = (ALfloat)values[2];
fvals[3] = (ALfloat)values[3];
fvals[4] = (ALfloat)values[4];
fvals[5] = (ALfloat)values[5];
return SetSourcefv(Source, Context, (int)prop, fvals);
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_STEREO_ANGLES:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE);
}
#undef CHECKVAL
static ALboolean GetSourcedv(ALsource *Source, ALCcontext *Context, SourceProp prop, ALdouble *values)
{
ALCdevice *device = Context->Device;
ALbufferlistitem *BufferList;
ClockLatency clocktime;
ALuint64 srcclock;
ALint ivals[3];
ALboolean err;
switch(prop)
{
case AL_GAIN:
*values = Source->Gain;
return AL_TRUE;
case AL_PITCH:
*values = Source->Pitch;
return AL_TRUE;
case AL_MAX_DISTANCE:
*values = Source->MaxDistance;
return AL_TRUE;
case AL_ROLLOFF_FACTOR:
*values = Source->RollOffFactor;
return AL_TRUE;
case AL_REFERENCE_DISTANCE:
*values = Source->RefDistance;
return AL_TRUE;
case AL_CONE_INNER_ANGLE:
*values = Source->InnerAngle;
return AL_TRUE;
case AL_CONE_OUTER_ANGLE:
*values = Source->OuterAngle;
return AL_TRUE;
case AL_MIN_GAIN:
*values = Source->MinGain;
return AL_TRUE;
case AL_MAX_GAIN:
*values = Source->MaxGain;
return AL_TRUE;
case AL_CONE_OUTER_GAIN:
*values = Source->OuterGain;
return AL_TRUE;
case AL_SEC_OFFSET:
case AL_SAMPLE_OFFSET:
case AL_BYTE_OFFSET:
*values = GetSourceOffset(Source, prop, Context);
return AL_TRUE;
case AL_CONE_OUTER_GAINHF:
*values = Source->OuterGainHF;
return AL_TRUE;
case AL_AIR_ABSORPTION_FACTOR:
*values = Source->AirAbsorptionFactor;
return AL_TRUE;
case AL_ROOM_ROLLOFF_FACTOR:
*values = Source->RoomRolloffFactor;
return AL_TRUE;
case AL_DOPPLER_FACTOR:
*values = Source->DopplerFactor;
return AL_TRUE;
case AL_SEC_LENGTH_SOFT:
ReadLock(&Source->queue_lock);
if(!(BufferList=Source->queue))
*values = 0;
else
{
ALint length = 0;
ALsizei freq = 1;
do {
ALbuffer *buffer = BufferList->buffer;
if(buffer && buffer->SampleLen > 0)
{
freq = buffer->Frequency;
length += buffer->SampleLen;
}
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
} while(BufferList != NULL);
*values = (ALdouble)length / (ALdouble)freq;
}
ReadUnlock(&Source->queue_lock);
return AL_TRUE;
case AL_SOURCE_RADIUS:
*values = Source->Radius;
return AL_TRUE;
case AL_STEREO_ANGLES:
values[0] = Source->StereoPan[0];
values[1] = Source->StereoPan[1];
return AL_TRUE;
case AL_SEC_OFFSET_LATENCY_SOFT:
/* Get the source offset with the clock time first. Then get the
* clock time with the device latency. Order is important.
*/
values[0] = GetSourceSecOffset(Source, Context, &srcclock);
clocktime = V0(device->Backend,getClockLatency)();
if(srcclock == (ALuint64)clocktime.ClockTime)
values[1] = (ALdouble)clocktime.Latency / 1000000000.0;
else
{
/* If the clock time incremented, reduce the latency by that
* much since it's that much closer to the source offset it got
* earlier.
*/
ALuint64 diff = clocktime.ClockTime - srcclock;
values[1] = (ALdouble)(clocktime.Latency - minu64(clocktime.Latency, diff)) /
1000000000.0;
}
return AL_TRUE;
case AL_POSITION:
values[0] = Source->Position[0];
values[1] = Source->Position[1];
values[2] = Source->Position[2];
return AL_TRUE;
case AL_VELOCITY:
values[0] = Source->Velocity[0];
values[1] = Source->Velocity[1];
values[2] = Source->Velocity[2];
return AL_TRUE;
case AL_DIRECTION:
values[0] = Source->Direction[0];
values[1] = Source->Direction[1];
values[2] = Source->Direction[2];
return AL_TRUE;
case AL_ORIENTATION:
values[0] = Source->Orientation[0][0];
values[1] = Source->Orientation[0][1];
values[2] = Source->Orientation[0][2];
values[3] = Source->Orientation[1][0];
values[4] = Source->Orientation[1][1];
values[5] = Source->Orientation[1][2];
return AL_TRUE;
/* 1x int */
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_SOURCE_STATE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_SOURCE_TYPE:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_DISTANCE_MODEL:
if((err=GetSourceiv(Source, Context, (int)prop, ivals)) != AL_FALSE)
*values = (ALdouble)ivals[0];
return err;
case AL_BUFFER:
case AL_DIRECT_FILTER:
case AL_AUXILIARY_SEND_FILTER:
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE);
}
static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp prop, ALint *values)
{
ALbufferlistitem *BufferList;
ALdouble dvals[6];
ALboolean err;
switch(prop)
{
case AL_SOURCE_RELATIVE:
*values = Source->HeadRelative;
return AL_TRUE;
case AL_LOOPING:
*values = Source->Looping;
return AL_TRUE;
case AL_BUFFER:
ReadLock(&Source->queue_lock);
BufferList = (Source->SourceType == AL_STATIC) ? Source->queue : NULL;
*values = (BufferList && BufferList->buffer) ? BufferList->buffer->id : 0;
ReadUnlock(&Source->queue_lock);
return AL_TRUE;
case AL_SOURCE_STATE:
*values = GetSourceState(Source, GetSourceVoice(Source, Context));
return AL_TRUE;
case AL_BYTE_LENGTH_SOFT:
ReadLock(&Source->queue_lock);
if(!(BufferList=Source->queue))
*values = 0;
else
{
ALint length = 0;
do {
ALbuffer *buffer = BufferList->buffer;
if(buffer && buffer->SampleLen > 0)
{
ALuint byte_align, sample_align;
if(buffer->OriginalType == UserFmtIMA4)
{
ALsizei align = (buffer->OriginalAlign-1)/2 + 4;
byte_align = align * ChannelsFromFmt(buffer->FmtChannels);
sample_align = buffer->OriginalAlign;
}
else if(buffer->OriginalType == UserFmtMSADPCM)
{
ALsizei align = (buffer->OriginalAlign-2)/2 + 7;
byte_align = align * ChannelsFromFmt(buffer->FmtChannels);
sample_align = buffer->OriginalAlign;
}
else
{
ALsizei align = buffer->OriginalAlign;
byte_align = align * ChannelsFromFmt(buffer->FmtChannels);
sample_align = buffer->OriginalAlign;
}
length += buffer->SampleLen / sample_align * byte_align;
}
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
} while(BufferList != NULL);
*values = length;
}
ReadUnlock(&Source->queue_lock);
return AL_TRUE;
case AL_SAMPLE_LENGTH_SOFT:
ReadLock(&Source->queue_lock);
if(!(BufferList=Source->queue))
*values = 0;
else
{
ALint length = 0;
do {
ALbuffer *buffer = BufferList->buffer;
if(buffer) length += buffer->SampleLen;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
} while(BufferList != NULL);
*values = length;
}
ReadUnlock(&Source->queue_lock);
return AL_TRUE;
case AL_BUFFERS_QUEUED:
ReadLock(&Source->queue_lock);
if(!(BufferList=Source->queue))
*values = 0;
else
{
ALsizei count = 0;
do {
++count;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
} while(BufferList != NULL);
*values = count;
}
ReadUnlock(&Source->queue_lock);
return AL_TRUE;
case AL_BUFFERS_PROCESSED:
ReadLock(&Source->queue_lock);
if(Source->Looping || Source->SourceType != AL_STREAMING)
{
/* Buffers on a looping source are in a perpetual state of
* PENDING, so don't report any as PROCESSED */
*values = 0;
}
else
{
const ALbufferlistitem *BufferList = Source->queue;
const ALbufferlistitem *Current = NULL;
ALsizei played = 0;
ALvoice *voice;
if((voice=GetSourceVoice(Source, Context)) != NULL)
Current = ATOMIC_LOAD_SEQ(&voice->current_buffer);
else if(ATOMIC_LOAD_SEQ(&Source->state) == AL_INITIAL)
Current = BufferList;
while(BufferList && BufferList != Current)
{
played++;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
*values = played;
}
ReadUnlock(&Source->queue_lock);
return AL_TRUE;
case AL_SOURCE_TYPE:
*values = Source->SourceType;
return AL_TRUE;
case AL_DIRECT_FILTER_GAINHF_AUTO:
*values = Source->DryGainHFAuto;
return AL_TRUE;
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
*values = Source->WetGainAuto;
return AL_TRUE;
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
*values = Source->WetGainHFAuto;
return AL_TRUE;
case AL_DIRECT_CHANNELS_SOFT:
*values = Source->DirectChannels;
return AL_TRUE;
case AL_DISTANCE_MODEL:
*values = Source->DistanceModel;
return AL_TRUE;
/* 1x float/double */
case AL_CONE_INNER_ANGLE:
case AL_CONE_OUTER_ANGLE:
case AL_PITCH:
case AL_GAIN:
case AL_MIN_GAIN:
case AL_MAX_GAIN:
case AL_REFERENCE_DISTANCE:
case AL_ROLLOFF_FACTOR:
case AL_CONE_OUTER_GAIN:
case AL_MAX_DISTANCE:
case AL_SEC_OFFSET:
case AL_SAMPLE_OFFSET:
case AL_BYTE_OFFSET:
case AL_DOPPLER_FACTOR:
case AL_AIR_ABSORPTION_FACTOR:
case AL_ROOM_ROLLOFF_FACTOR:
case AL_CONE_OUTER_GAINHF:
case AL_SEC_LENGTH_SOFT:
case AL_SOURCE_RADIUS:
if((err=GetSourcedv(Source, Context, prop, dvals)) != AL_FALSE)
*values = (ALint)dvals[0];
return err;
/* 3x float/double */
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
if((err=GetSourcedv(Source, Context, prop, dvals)) != AL_FALSE)
{
values[0] = (ALint)dvals[0];
values[1] = (ALint)dvals[1];
values[2] = (ALint)dvals[2];
}
return err;
/* 6x float/double */
case AL_ORIENTATION:
if((err=GetSourcedv(Source, Context, prop, dvals)) != AL_FALSE)
{
values[0] = (ALint)dvals[0];
values[1] = (ALint)dvals[1];
values[2] = (ALint)dvals[2];
values[3] = (ALint)dvals[3];
values[4] = (ALint)dvals[4];
values[5] = (ALint)dvals[5];
}
return err;
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
break; /* i64 only */
case AL_SEC_OFFSET_LATENCY_SOFT:
break; /* Double only */
case AL_STEREO_ANGLES:
break; /* Float/double only */
case AL_DIRECT_FILTER:
case AL_AUXILIARY_SEND_FILTER:
break; /* ??? */
}
ERR("Unexpected property: 0x%04x\n", prop);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE);
}
static ALboolean GetSourcei64v(ALsource *Source, ALCcontext *Context, SourceProp prop, ALint64 *values)
{
ALCdevice *device = Context->Device;
ClockLatency clocktime;
ALuint64 srcclock;
ALdouble dvals[6];
ALint ivals[3];
ALboolean err;
switch(prop)
{
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
/* Get the source offset with the clock time first. Then get the
* clock time with the device latency. Order is important.
*/
values[0] = GetSourceSampleOffset(Source, Context, &srcclock);
clocktime = V0(device->Backend,getClockLatency)();
if(srcclock == (ALuint64)clocktime.ClockTime)
values[1] = clocktime.Latency;
else
{
/* If the clock time incremented, reduce the latency by that
* much since it's that much closer to the source offset it got
* earlier.
*/
ALuint64 diff = clocktime.ClockTime - srcclock;
values[1] = clocktime.Latency - minu64(clocktime.Latency, diff);
}
return AL_TRUE;
/* 1x float/double */
case AL_CONE_INNER_ANGLE:
case AL_CONE_OUTER_ANGLE:
case AL_PITCH:
case AL_GAIN:
case AL_MIN_GAIN:
case AL_MAX_GAIN:
case AL_REFERENCE_DISTANCE:
case AL_ROLLOFF_FACTOR:
case AL_CONE_OUTER_GAIN:
case AL_MAX_DISTANCE:
case AL_SEC_OFFSET:
case AL_SAMPLE_OFFSET:
case AL_BYTE_OFFSET:
case AL_DOPPLER_FACTOR:
case AL_AIR_ABSORPTION_FACTOR:
case AL_ROOM_ROLLOFF_FACTOR:
case AL_CONE_OUTER_GAINHF:
case AL_SEC_LENGTH_SOFT:
case AL_SOURCE_RADIUS:
if((err=GetSourcedv(Source, Context, prop, dvals)) != AL_FALSE)
*values = (ALint64)dvals[0];
return err;
/* 3x float/double */
case AL_POSITION:
case AL_VELOCITY:
case AL_DIRECTION:
if((err=GetSourcedv(Source, Context, prop, dvals)) != AL_FALSE)
{
values[0] = (ALint64)dvals[0];
values[1] = (ALint64)dvals[1];
values[2] = (ALint64)dvals[2];
}
return err;
/* 6x float/double */
case AL_ORIENTATION:
if((err=GetSourcedv(Source, Context, prop, dvals)) != AL_FALSE)
{
values[0] = (ALint64)dvals[0];
values[1] = (ALint64)dvals[1];
values[2] = (ALint64)dvals[2];
values[3] = (ALint64)dvals[3];
values[4] = (ALint64)dvals[4];
values[5] = (ALint64)dvals[5];
}
return err;
/* 1x int */
case AL_SOURCE_RELATIVE:
case AL_LOOPING:
case AL_SOURCE_STATE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_SOURCE_TYPE:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
case AL_DIRECT_CHANNELS_SOFT:
case AL_DISTANCE_MODEL:
if((err=GetSourceiv(Source, Context, prop, ivals)) != AL_FALSE)
*values = ivals[0];
return err;
/* 1x uint */
case AL_BUFFER:
case AL_DIRECT_FILTER:
if((err=GetSourceiv(Source, Context, prop, ivals)) != AL_FALSE)
*values = (ALuint)ivals[0];
return err;
/* 3x uint */
case AL_AUXILIARY_SEND_FILTER:
if((err=GetSourceiv(Source, Context, prop, ivals)) != AL_FALSE)
{
values[0] = (ALuint)ivals[0];
values[1] = (ALuint)ivals[1];
values[2] = (ALuint)ivals[2];
}
return err;
case AL_SEC_OFFSET_LATENCY_SOFT:
break; /* Double only */
case AL_STEREO_ANGLES:
break; /* Float/double only */
}
ERR("Unexpected property: 0x%04x\n", prop);
SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE);
}
AL_API ALvoid AL_APIENTRY alGenSources(ALsizei n, ALuint *sources)
{
ALCdevice *device;
ALCcontext *context;
ALsizei cur = 0;
ALenum err;
context = GetContextRef();
if(!context) return;
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
device = context->Device;
for(cur = 0;cur < n;cur++)
{
ALsource *source = al_calloc(16, sizeof(ALsource));
if(!source)
{
alDeleteSources(cur, sources);
SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
}
InitSourceParams(source, device->NumAuxSends);
err = NewThunkEntry(&source->id);
if(err == AL_NO_ERROR)
err = InsertUIntMapEntry(&context->SourceMap, source->id, source);
if(err != AL_NO_ERROR)
{
FreeThunkEntry(source->id);
memset(source, 0, sizeof(ALsource));
al_free(source);
alDeleteSources(cur, sources);
SET_ERROR_AND_GOTO(context, err, done);
}
sources[cur] = source->id;
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alDeleteSources(ALsizei n, const ALuint *sources)
{
ALCdevice *device;
ALCcontext *context;
ALsource *Source;
ALsizei i;
context = GetContextRef();
if(!context) return;
LockSourcesWrite(context);
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
/* Check that all Sources are valid */
for(i = 0;i < n;i++)
{
if(LookupSource(context, sources[i]) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
}
device = context->Device;
for(i = 0;i < n;i++)
{
ALvoice *voice;
if((Source=RemoveSource(context, sources[i])) == NULL)
continue;
FreeThunkEntry(Source->id);
ALCdevice_Lock(device);
if((voice=GetSourceVoice(Source, context)) != NULL)
{
ATOMIC_STORE(&voice->Source, NULL, almemory_order_relaxed);
ATOMIC_STORE(&voice->Playing, false, almemory_order_release);
}
ALCdevice_Unlock(device);
DeinitSource(Source, device->NumAuxSends);
memset(Source, 0, sizeof(*Source));
al_free(Source);
}
done:
UnlockSourcesWrite(context);
ALCcontext_DecRef(context);
}
AL_API ALboolean AL_APIENTRY alIsSource(ALuint source)
{
ALCcontext *context;
ALboolean ret;
context = GetContextRef();
if(!context) return AL_FALSE;
LockSourcesRead(context);
ret = (LookupSource(context, source) ? AL_TRUE : AL_FALSE);
UnlockSourcesRead(context);
ALCcontext_DecRef(context);
return ret;
}
AL_API ALvoid AL_APIENTRY alSourcef(ALuint source, ALenum param, ALfloat value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(FloatValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
SetSourcefv(Source, Context, param, &value);
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSource3f(ALuint source, ALenum param, ALfloat value1, ALfloat value2, ALfloat value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(FloatValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALfloat fvals[3] = { value1, value2, value3 };
SetSourcefv(Source, Context, param, fvals);
}
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSourcefv(ALuint source, ALenum param, const ALfloat *values)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!(FloatValsByProp(param) > 0))
alSetError(Context, AL_INVALID_ENUM);
else
SetSourcefv(Source, Context, param, values);
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSourcedSOFT(ALuint source, ALenum param, ALdouble value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(DoubleValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALfloat fval = (ALfloat)value;
SetSourcefv(Source, Context, param, &fval);
}
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSource3dSOFT(ALuint source, ALenum param, ALdouble value1, ALdouble value2, ALdouble value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(DoubleValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALfloat fvals[3] = { (ALfloat)value1, (ALfloat)value2, (ALfloat)value3 };
SetSourcefv(Source, Context, param, fvals);
}
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSourcedvSOFT(ALuint source, ALenum param, const ALdouble *values)
{
ALCcontext *Context;
ALsource *Source;
ALint count;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!((count=DoubleValsByProp(param)) > 0 && count <= 6))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALfloat fvals[6];
ALint i;
for(i = 0;i < count;i++)
fvals[i] = (ALfloat)values[i];
SetSourcefv(Source, Context, param, fvals);
}
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSourcei(ALuint source, ALenum param, ALint value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(IntValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
SetSourceiv(Source, Context, param, &value);
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alSource3i(ALuint source, ALenum param, ALint value1, ALint value2, ALint value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(IntValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALint ivals[3] = { value1, value2, value3 };
SetSourceiv(Source, Context, param, ivals);
}
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alSourceiv(ALuint source, ALenum param, const ALint *values)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!(IntValsByProp(param) > 0))
alSetError(Context, AL_INVALID_ENUM);
else
SetSourceiv(Source, Context, param, values);
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSourcei64SOFT(ALuint source, ALenum param, ALint64SOFT value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(Int64ValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
SetSourcei64v(Source, Context, param, &value);
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alSource3i64SOFT(ALuint source, ALenum param, ALint64SOFT value1, ALint64SOFT value2, ALint64SOFT value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(Int64ValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALint64SOFT i64vals[3] = { value1, value2, value3 };
SetSourcei64v(Source, Context, param, i64vals);
}
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alSourcei64vSOFT(ALuint source, ALenum param, const ALint64SOFT *values)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
WriteLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!(Int64ValsByProp(param) > 0))
alSetError(Context, AL_INVALID_ENUM);
else
SetSourcei64v(Source, Context, param, values);
UnlockSourcesRead(Context);
WriteUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alGetSourcef(ALuint source, ALenum param, ALfloat *value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!value)
alSetError(Context, AL_INVALID_VALUE);
else if(!(FloatValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALdouble dval;
if(GetSourcedv(Source, Context, param, &dval))
*value = (ALfloat)dval;
}
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alGetSource3f(ALuint source, ALenum param, ALfloat *value1, ALfloat *value2, ALfloat *value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(value1 && value2 && value3))
alSetError(Context, AL_INVALID_VALUE);
else if(!(FloatValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALdouble dvals[3];
if(GetSourcedv(Source, Context, param, dvals))
{
*value1 = (ALfloat)dvals[0];
*value2 = (ALfloat)dvals[1];
*value3 = (ALfloat)dvals[2];
}
}
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alGetSourcefv(ALuint source, ALenum param, ALfloat *values)
{
ALCcontext *Context;
ALsource *Source;
ALint count;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!((count=FloatValsByProp(param)) > 0 && count <= 6))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALdouble dvals[6];
if(GetSourcedv(Source, Context, param, dvals))
{
ALint i;
for(i = 0;i < count;i++)
values[i] = (ALfloat)dvals[i];
}
}
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSourcedSOFT(ALuint source, ALenum param, ALdouble *value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!value)
alSetError(Context, AL_INVALID_VALUE);
else if(!(DoubleValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
GetSourcedv(Source, Context, param, value);
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSource3dSOFT(ALuint source, ALenum param, ALdouble *value1, ALdouble *value2, ALdouble *value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(value1 && value2 && value3))
alSetError(Context, AL_INVALID_VALUE);
else if(!(DoubleValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALdouble dvals[3];
if(GetSourcedv(Source, Context, param, dvals))
{
*value1 = dvals[0];
*value2 = dvals[1];
*value3 = dvals[2];
}
}
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSourcedvSOFT(ALuint source, ALenum param, ALdouble *values)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!(DoubleValsByProp(param) > 0))
alSetError(Context, AL_INVALID_ENUM);
else
GetSourcedv(Source, Context, param, values);
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alGetSourcei(ALuint source, ALenum param, ALint *value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!value)
alSetError(Context, AL_INVALID_VALUE);
else if(!(IntValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
GetSourceiv(Source, Context, param, value);
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSource3i(ALuint source, ALenum param, ALint *value1, ALint *value2, ALint *value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(value1 && value2 && value3))
alSetError(Context, AL_INVALID_VALUE);
else if(!(IntValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALint ivals[3];
if(GetSourceiv(Source, Context, param, ivals))
{
*value1 = ivals[0];
*value2 = ivals[1];
*value3 = ivals[2];
}
}
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSourceiv(ALuint source, ALenum param, ALint *values)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!(IntValsByProp(param) > 0))
alSetError(Context, AL_INVALID_ENUM);
else
GetSourceiv(Source, Context, param, values);
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSourcei64SOFT(ALuint source, ALenum param, ALint64SOFT *value)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!value)
alSetError(Context, AL_INVALID_VALUE);
else if(!(Int64ValsByProp(param) == 1))
alSetError(Context, AL_INVALID_ENUM);
else
GetSourcei64v(Source, Context, param, value);
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSource3i64SOFT(ALuint source, ALenum param, ALint64SOFT *value1, ALint64SOFT *value2, ALint64SOFT *value3)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!(value1 && value2 && value3))
alSetError(Context, AL_INVALID_VALUE);
else if(!(Int64ValsByProp(param) == 3))
alSetError(Context, AL_INVALID_ENUM);
else
{
ALint64 i64vals[3];
if(GetSourcei64v(Source, Context, param, i64vals))
{
*value1 = i64vals[0];
*value2 = i64vals[1];
*value3 = i64vals[2];
}
}
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetSourcei64vSOFT(ALuint source, ALenum param, ALint64SOFT *values)
{
ALCcontext *Context;
ALsource *Source;
Context = GetContextRef();
if(!Context) return;
ReadLock(&Context->PropLock);
LockSourcesRead(Context);
if((Source=LookupSource(Context, source)) == NULL)
alSetError(Context, AL_INVALID_NAME);
else if(!values)
alSetError(Context, AL_INVALID_VALUE);
else if(!(Int64ValsByProp(param) > 0))
alSetError(Context, AL_INVALID_ENUM);
else
GetSourcei64v(Source, Context, param, values);
UnlockSourcesRead(Context);
ReadUnlock(&Context->PropLock);
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alSourcePlay(ALuint source)
{
alSourcePlayv(1, &source);
}
AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
{
ALCcontext *context;
ALCdevice *device;
ALsource *source;
ALvoice *voice;
ALsizei i, j;
context = GetContextRef();
if(!context) return;
LockSourcesRead(context);
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
for(i = 0;i < n;i++)
{
if(!LookupSource(context, sources[i]))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
}
device = context->Device;
ALCdevice_Lock(device);
/* If the device is disconnected, go right to stopped. */
if(!device->Connected)
{
for(i = 0;i < n;i++)
{
source = LookupSource(context, sources[i]);
ATOMIC_STORE(&source->state, AL_STOPPED, almemory_order_relaxed);
}
ALCdevice_Unlock(device);
goto done;
}
while(n > context->MaxVoices-context->VoiceCount)
{
ALsizei newcount = context->MaxVoices << 1;
if(context->MaxVoices >= newcount)
{
ALCdevice_Unlock(device);
SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
}
AllocateVoices(context, newcount, device->NumAuxSends);
}
for(i = 0;i < n;i++)
{
ALbufferlistitem *BufferList;
ALbuffer *buffer = NULL;
source = LookupSource(context, sources[i]);
WriteLock(&source->queue_lock);
/* Check that there is a queue containing at least one valid, non zero
* length Buffer.
*/
BufferList = source->queue;
while(BufferList)
{
if((buffer=BufferList->buffer) != NULL && buffer->SampleLen > 0)
break;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
/* If there's nothing to play, go right to stopped. */
if(!BufferList)
{
/* NOTE: A source without any playable buffers should not have an
* ALvoice since it shouldn't be in a playing or paused state. So
* there's no need to look up its voice and clear the source.
*/
ATOMIC_STORE(&source->state, AL_STOPPED, almemory_order_relaxed);
source->OffsetType = AL_NONE;
source->Offset = 0.0;
goto finish_play;
}
voice = GetSourceVoice(source, context);
switch(GetSourceState(source, voice))
{
case AL_PLAYING:
assert(voice != NULL);
/* A source that's already playing is restarted from the beginning. */
ATOMIC_STORE(&voice->current_buffer, BufferList, almemory_order_relaxed);
ATOMIC_STORE(&voice->position, 0, almemory_order_relaxed);
ATOMIC_STORE(&voice->position_fraction, 0, almemory_order_release);
goto finish_play;
case AL_PAUSED:
assert(voice != NULL);
/* A source that's paused simply resumes. Make sure it uses the
* volume last specified; there's no reason to fade from where
* it stopped at.
*/
voice->Flags &= ~VOICE_IS_MOVING;
ATOMIC_STORE(&voice->Playing, true, almemory_order_release);
ATOMIC_STORE(&source->state, AL_PLAYING, almemory_order_release);
goto finish_play;
default:
break;
}
/* Make sure this source isn't already active, and if not, look for an
* unused voice to put it in.
*/
assert(voice == NULL);
for(j = 0;j < context->VoiceCount;j++)
{
if(ATOMIC_LOAD(&context->Voices[j]->Source, almemory_order_acquire) == NULL)
{
voice = context->Voices[j];
break;
}
}
if(voice == NULL)
voice = context->Voices[context->VoiceCount++];
ATOMIC_STORE(&voice->Playing, false, almemory_order_release);
ATOMIC_FLAG_TEST_AND_SET(&source->PropsClean, almemory_order_acquire);
UpdateSourceProps(source, voice, device->NumAuxSends);
/* A source that's not playing or paused has any offset applied when it
* starts playing.
*/
if(source->Looping)
ATOMIC_STORE(&voice->loop_buffer, source->queue, almemory_order_relaxed);
else
ATOMIC_STORE(&voice->loop_buffer, NULL, almemory_order_relaxed);
ATOMIC_STORE(&voice->current_buffer, BufferList, almemory_order_relaxed);
ATOMIC_STORE(&voice->position, 0, almemory_order_relaxed);
ATOMIC_STORE(&voice->position_fraction, 0, almemory_order_relaxed);
if(source->OffsetType != AL_NONE)
ApplyOffset(source, voice);
voice->NumChannels = ChannelsFromFmt(buffer->FmtChannels);
voice->SampleSize = BytesFromFmt(buffer->FmtType);
/* Clear previous samples. */
memset(voice->PrevSamples, 0, sizeof(voice->PrevSamples));
/* Clear the stepping value so the mixer knows not to mix this until
* the update gets applied.
*/
voice->Step = 0;
voice->Flags = 0;
for(j = 0;j < voice->NumChannels;j++)
memset(&voice->Direct.Params[j].Hrtf.State, 0,
sizeof(voice->Direct.Params[j].Hrtf.State));
if(device->AvgSpeakerDist > 0.0f)
{
ALfloat w1 = SPEEDOFSOUNDMETRESPERSEC /
(device->AvgSpeakerDist * device->Frequency);
for(j = 0;j < voice->NumChannels;j++)
{
NfcFilterCreate1(&voice->Direct.Params[j].NFCtrlFilter[0], 0.0f, w1);
NfcFilterCreate2(&voice->Direct.Params[j].NFCtrlFilter[1], 0.0f, w1);
NfcFilterCreate3(&voice->Direct.Params[j].NFCtrlFilter[2], 0.0f, w1);
}
}
ATOMIC_STORE(&voice->Source, source, almemory_order_relaxed);
ATOMIC_STORE(&voice->Playing, true, almemory_order_release);
ATOMIC_STORE(&source->state, AL_PLAYING, almemory_order_release);
finish_play:
WriteUnlock(&source->queue_lock);
}
ALCdevice_Unlock(device);
done:
UnlockSourcesRead(context);
ALCcontext_DecRef(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;
ALCdevice *device;
ALsource *source;
ALvoice *voice;
ALsizei i;
context = GetContextRef();
if(!context) return;
LockSourcesRead(context);
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
for(i = 0;i < n;i++)
{
if(!LookupSource(context, sources[i]))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
}
device = context->Device;
ALCdevice_Lock(device);
for(i = 0;i < n;i++)
{
source = LookupSource(context, sources[i]);
WriteLock(&source->queue_lock);
if((voice=GetSourceVoice(source, context)) != NULL)
{
ATOMIC_STORE(&voice->Playing, false, almemory_order_release);
while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
althrd_yield();
}
if(GetSourceState(source, voice) == AL_PLAYING)
ATOMIC_STORE(&source->state, AL_PAUSED, almemory_order_release);
WriteUnlock(&source->queue_lock);
}
ALCdevice_Unlock(device);
done:
UnlockSourcesRead(context);
ALCcontext_DecRef(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;
ALCdevice *device;
ALsource *source;
ALvoice *voice;
ALsizei i;
context = GetContextRef();
if(!context) return;
LockSourcesRead(context);
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
for(i = 0;i < n;i++)
{
if(!LookupSource(context, sources[i]))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
}
device = context->Device;
ALCdevice_Lock(device);
for(i = 0;i < n;i++)
{
source = LookupSource(context, sources[i]);
WriteLock(&source->queue_lock);
if((voice=GetSourceVoice(source, context)) != NULL)
{
ATOMIC_STORE(&voice->Source, NULL, almemory_order_relaxed);
ATOMIC_STORE(&voice->Playing, false, almemory_order_release);
while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
althrd_yield();
}
if(ATOMIC_LOAD(&source->state, almemory_order_acquire) != AL_INITIAL)
ATOMIC_STORE(&source->state, AL_STOPPED, almemory_order_relaxed);
source->OffsetType = AL_NONE;
source->Offset = 0.0;
WriteUnlock(&source->queue_lock);
}
ALCdevice_Unlock(device);
done:
UnlockSourcesRead(context);
ALCcontext_DecRef(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;
ALCdevice *device;
ALsource *source;
ALvoice *voice;
ALsizei i;
context = GetContextRef();
if(!context) return;
LockSourcesRead(context);
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
for(i = 0;i < n;i++)
{
if(!LookupSource(context, sources[i]))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
}
device = context->Device;
ALCdevice_Lock(device);
for(i = 0;i < n;i++)
{
source = LookupSource(context, sources[i]);
WriteLock(&source->queue_lock);
if((voice=GetSourceVoice(source, context)) != NULL)
{
ATOMIC_STORE(&voice->Source, NULL, almemory_order_relaxed);
ATOMIC_STORE(&voice->Playing, false, almemory_order_release);
while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
althrd_yield();
}
if(ATOMIC_LOAD(&source->state, almemory_order_acquire) != AL_INITIAL)
ATOMIC_STORE(&source->state, AL_INITIAL, almemory_order_relaxed);
source->OffsetType = AL_NONE;
source->Offset = 0.0;
WriteUnlock(&source->queue_lock);
}
ALCdevice_Unlock(device);
done:
UnlockSourcesRead(context);
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALuint *buffers)
{
ALCdevice *device;
ALCcontext *context;
ALsource *source;
ALsizei i;
ALbufferlistitem *BufferListStart;
ALbufferlistitem *BufferList;
ALbuffer *BufferFmt = NULL;
if(nb == 0)
return;
context = GetContextRef();
if(!context) return;
device = context->Device;
LockSourcesRead(context);
if(!(nb >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if((source=LookupSource(context, src)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
WriteLock(&source->queue_lock);
if(source->SourceType == AL_STATIC)
{
WriteUnlock(&source->queue_lock);
/* Can't queue on a Static Source */
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
}
/* Check for a valid Buffer, for its frequency and format */
BufferList = source->queue;
while(BufferList)
{
if(BufferList->buffer)
{
BufferFmt = BufferList->buffer;
break;
}
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
LockBuffersRead(device);
BufferListStart = NULL;
BufferList = NULL;
for(i = 0;i < nb;i++)
{
ALbuffer *buffer = NULL;
if(buffers[i] && (buffer=LookupBuffer(device, buffers[i])) == NULL)
{
WriteUnlock(&source->queue_lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, buffer_error);
}
if(!BufferListStart)
{
BufferListStart = al_calloc(DEF_ALIGN, sizeof(ALbufferlistitem));
BufferList = BufferListStart;
}
else
{
ALbufferlistitem *item = al_calloc(DEF_ALIGN, sizeof(ALbufferlistitem));
ATOMIC_STORE(&BufferList->next, item, almemory_order_relaxed);
BufferList = item;
}
BufferList->buffer = buffer;
ATOMIC_INIT(&BufferList->next, NULL);
if(!buffer) continue;
/* Hold a read lock on each buffer being queued while checking all
* provided buffers. This is done so other threads don't see an extra
* reference on some buffers if this operation ends up failing. */
ReadLock(&buffer->lock);
IncrementRef(&buffer->ref);
if(BufferFmt == NULL)
BufferFmt = buffer;
else if(BufferFmt->Frequency != buffer->Frequency ||
BufferFmt->OriginalChannels != buffer->OriginalChannels ||
BufferFmt->OriginalType != buffer->OriginalType)
{
WriteUnlock(&source->queue_lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, buffer_error);
buffer_error:
/* A buffer failed (invalid ID or format), so unlock and release
* each buffer we had. */
while(BufferListStart)
{
ALbufferlistitem *next = ATOMIC_LOAD(&BufferListStart->next,
almemory_order_relaxed);
if((buffer=BufferListStart->buffer) != NULL)
{
DecrementRef(&buffer->ref);
ReadUnlock(&buffer->lock);
}
al_free(BufferListStart);
BufferListStart = next;
}
UnlockBuffersRead(device);
goto done;
}
}
/* All buffers good, unlock them now. */
BufferList = BufferListStart;
while(BufferList != NULL)
{
ALbuffer *buffer = BufferList->buffer;
if(buffer) ReadUnlock(&buffer->lock);
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
UnlockBuffersRead(device);
/* Source is now streaming */
source->SourceType = AL_STREAMING;
if(!(BufferList=source->queue))
source->queue = BufferListStart;
else
{
while(BufferList->next != NULL)
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
ATOMIC_STORE(&BufferList->next, BufferListStart, almemory_order_release);
}
WriteUnlock(&source->queue_lock);
done:
UnlockSourcesRead(context);
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint *buffers)
{
ALCcontext *context;
ALsource *source;
ALbufferlistitem *OldHead;
ALbufferlistitem *OldTail;
ALbufferlistitem *Current;
ALvoice *voice;
ALsizei i = 0;
context = GetContextRef();
if(!context) return;
LockSourcesRead(context);
if(!(nb >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if((source=LookupSource(context, src)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
/* Nothing to unqueue. */
if(nb == 0) goto done;
WriteLock(&source->queue_lock);
if(source->Looping || source->SourceType != AL_STREAMING)
{
WriteUnlock(&source->queue_lock);
/* Trying to unqueue buffers on a looping or non-streaming source. */
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
/* Find the new buffer queue head */
OldTail = source->queue;
Current = NULL;
if((voice=GetSourceVoice(source, context)) != NULL)
Current = ATOMIC_LOAD_SEQ(&voice->current_buffer);
else if(ATOMIC_LOAD_SEQ(&source->state) == AL_INITIAL)
Current = OldTail;
if(OldTail != Current)
{
for(i = 1;i < nb;i++)
{
ALbufferlistitem *next = ATOMIC_LOAD(&OldTail->next, almemory_order_relaxed);
if(!next || next == Current) break;
OldTail = next;
}
}
if(i != nb)
{
WriteUnlock(&source->queue_lock);
/* Trying to unqueue pending buffers. */
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
/* Swap it, and cut the new head from the old. */
OldHead = source->queue;
source->queue = ATOMIC_EXCHANGE_PTR(&OldTail->next, NULL, almemory_order_acq_rel);
WriteUnlock(&source->queue_lock);
while(OldHead != NULL)
{
ALbufferlistitem *next = ATOMIC_LOAD(&OldHead->next, almemory_order_relaxed);
ALbuffer *buffer = OldHead->buffer;
if(!buffer)
*(buffers++) = 0;
else
{
*(buffers++) = buffer->id;
DecrementRef(&buffer->ref);
}
al_free(OldHead);
OldHead = next;
}
done:
UnlockSourcesRead(context);
ALCcontext_DecRef(context);
}
static void InitSourceParams(ALsource *Source, ALsizei num_sends)
{
ALsizei i;
RWLockInit(&Source->queue_lock);
Source->InnerAngle = 360.0f;
Source->OuterAngle = 360.0f;
Source->Pitch = 1.0f;
Source->Position[0] = 0.0f;
Source->Position[1] = 0.0f;
Source->Position[2] = 0.0f;
Source->Velocity[0] = 0.0f;
Source->Velocity[1] = 0.0f;
Source->Velocity[2] = 0.0f;
Source->Direction[0] = 0.0f;
Source->Direction[1] = 0.0f;
Source->Direction[2] = 0.0f;
Source->Orientation[0][0] = 0.0f;
Source->Orientation[0][1] = 0.0f;
Source->Orientation[0][2] = -1.0f;
Source->Orientation[1][0] = 0.0f;
Source->Orientation[1][1] = 1.0f;
Source->Orientation[1][2] = 0.0f;
Source->RefDistance = 1.0f;
Source->MaxDistance = FLT_MAX;
Source->RollOffFactor = 1.0f;
Source->Gain = 1.0f;
Source->MinGain = 0.0f;
Source->MaxGain = 1.0f;
Source->OuterGain = 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->HeadRelative = AL_FALSE;
Source->Looping = AL_FALSE;
Source->DistanceModel = DefaultDistanceModel;
Source->DirectChannels = AL_FALSE;
Source->StereoPan[0] = DEG2RAD( 30.0f);
Source->StereoPan[1] = DEG2RAD(-30.0f);
Source->Radius = 0.0f;
Source->Direct.Gain = 1.0f;
Source->Direct.GainHF = 1.0f;
Source->Direct.HFReference = LOWPASSFREQREF;
Source->Direct.GainLF = 1.0f;
Source->Direct.LFReference = HIGHPASSFREQREF;
Source->Send = al_calloc(16, num_sends*sizeof(Source->Send[0]));
for(i = 0;i < num_sends;i++)
{
Source->Send[i].Slot = NULL;
Source->Send[i].Gain = 1.0f;
Source->Send[i].GainHF = 1.0f;
Source->Send[i].HFReference = LOWPASSFREQREF;
Source->Send[i].GainLF = 1.0f;
Source->Send[i].LFReference = HIGHPASSFREQREF;
}
Source->Offset = 0.0;
Source->OffsetType = AL_NONE;
Source->SourceType = AL_UNDETERMINED;
ATOMIC_INIT(&Source->state, AL_INITIAL);
Source->queue = NULL;
/* No way to do an 'init' here, so just test+set with relaxed ordering and
* ignore the test.
*/
ATOMIC_FLAG_TEST_AND_SET(&Source->PropsClean, almemory_order_relaxed);
}
static void DeinitSource(ALsource *source, ALsizei num_sends)
{
ALbufferlistitem *BufferList;
ALsizei i;
BufferList = source->queue;
while(BufferList != NULL)
{
ALbufferlistitem *next = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
if(BufferList->buffer != NULL)
DecrementRef(&BufferList->buffer->ref);
al_free(BufferList);
BufferList = next;
}
source->queue = NULL;
if(source->Send)
{
for(i = 0;i < num_sends;i++)
{
if(source->Send[i].Slot)
DecrementRef(&source->Send[i].Slot->ref);
source->Send[i].Slot = NULL;
}
al_free(source->Send);
source->Send = NULL;
}
}
static void UpdateSourceProps(ALsource *source, ALvoice *voice, ALsizei num_sends)
{
struct ALvoiceProps *props;
ALsizei i;
/* Get an unused property container, or allocate a new one as needed. */
props = ATOMIC_LOAD(&voice->FreeList, almemory_order_acquire);
if(!props)
props = al_calloc(16, FAM_SIZE(struct ALvoiceProps, Send, num_sends));
else
{
struct ALvoiceProps *next;
do {
next = ATOMIC_LOAD(&props->next, almemory_order_relaxed);
} while(ATOMIC_COMPARE_EXCHANGE_PTR_WEAK(&voice->FreeList, &props, next,
almemory_order_acq_rel, almemory_order_acquire) == 0);
}
/* Copy in current property values. */
props->Pitch = source->Pitch;
props->Gain = source->Gain;
props->OuterGain = source->OuterGain;
props->MinGain = source->MinGain;
props->MaxGain = source->MaxGain;
props->InnerAngle = source->InnerAngle;
props->OuterAngle = source->OuterAngle;
props->RefDistance = source->RefDistance;
props->MaxDistance = source->MaxDistance;
props->RollOffFactor = source->RollOffFactor;
for(i = 0;i < 3;i++)
props->Position[i] = source->Position[i];
for(i = 0;i < 3;i++)
props->Velocity[i] = source->Velocity[i];
for(i = 0;i < 3;i++)
props->Direction[i] = source->Direction[i];
for(i = 0;i < 2;i++)
{
ALsizei j;
for(j = 0;j < 3;j++)
props->Orientation[i][j] = source->Orientation[i][j];
}
props->HeadRelative = source->HeadRelative;
props->DistanceModel = source->DistanceModel;
props->DirectChannels = source->DirectChannels;
props->DryGainHFAuto = source->DryGainHFAuto;
props->WetGainAuto = source->WetGainAuto;
props->WetGainHFAuto = source->WetGainHFAuto;
props->OuterGainHF = source->OuterGainHF;
props->AirAbsorptionFactor = source->AirAbsorptionFactor;
props->RoomRolloffFactor = source->RoomRolloffFactor;
props->DopplerFactor = source->DopplerFactor;
props->StereoPan[0] = source->StereoPan[0];
props->StereoPan[1] = source->StereoPan[1];
props->Radius = source->Radius;
props->Direct.Gain = source->Direct.Gain;
props->Direct.GainHF = source->Direct.GainHF;
props->Direct.HFReference = source->Direct.HFReference;
props->Direct.GainLF = source->Direct.GainLF;
props->Direct.LFReference = source->Direct.LFReference;
for(i = 0;i < num_sends;i++)
{
props->Send[i].Slot = source->Send[i].Slot;
props->Send[i].Gain = source->Send[i].Gain;
props->Send[i].GainHF = source->Send[i].GainHF;
props->Send[i].HFReference = source->Send[i].HFReference;
props->Send[i].GainLF = source->Send[i].GainLF;
props->Send[i].LFReference = source->Send[i].LFReference;
}
/* Set the new container for updating internal parameters. */
props = ATOMIC_EXCHANGE_PTR(&voice->Update, props, almemory_order_acq_rel);
if(props)
{
/* If there was an unused update container, put it back in the
* freelist.
*/
ATOMIC_REPLACE_HEAD(struct ALvoiceProps*, &voice->FreeList, props);
}
}
void UpdateAllSourceProps(ALCcontext *context)
{
ALsizei num_sends = context->Device->NumAuxSends;
ALsizei pos;
for(pos = 0;pos < context->VoiceCount;pos++)
{
ALvoice *voice = context->Voices[pos];
ALsource *source = ATOMIC_LOAD(&voice->Source, almemory_order_acquire);
if(source && !ATOMIC_FLAG_TEST_AND_SET(&source->PropsClean, almemory_order_acq_rel))
UpdateSourceProps(source, voice, num_sends);
}
}
/* GetSourceSampleOffset
*
* Gets the current read offset for the given Source, in 32.32 fixed-point
* samples. The offset is relative to the start of the queue (not the start of
* the current buffer).
*/
static ALint64 GetSourceSampleOffset(ALsource *Source, ALCcontext *context, ALuint64 *clocktime)
{
ALCdevice *device = context->Device;
const ALbufferlistitem *Current;
ALuint64 readPos;
ALuint refcount;
ALvoice *voice;
ReadLock(&Source->queue_lock);
do {
Current = NULL;
readPos = 0;
while(((refcount=ATOMIC_LOAD(&device->MixCount, almemory_order_acquire))&1))
althrd_yield();
*clocktime = GetDeviceClockTime(device);
voice = GetSourceVoice(Source, context);
if(voice)
{
Current = ATOMIC_LOAD(&voice->current_buffer, almemory_order_relaxed);
readPos = (ALuint64)ATOMIC_LOAD(&voice->position, almemory_order_relaxed) << 32;
readPos |= (ALuint64)ATOMIC_LOAD(&voice->position_fraction, almemory_order_relaxed) <<
(32-FRACTIONBITS);
}
ATOMIC_THREAD_FENCE(almemory_order_acquire);
} while(refcount != ATOMIC_LOAD(&device->MixCount, almemory_order_relaxed));
if(voice)
{
const ALbufferlistitem *BufferList = Source->queue;
while(BufferList && BufferList != Current)
{
if(BufferList->buffer)
readPos += (ALuint64)BufferList->buffer->SampleLen << 32;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
readPos = minu64(readPos, U64(0x7fffffffffffffff));
}
ReadUnlock(&Source->queue_lock);
return (ALint64)readPos;
}
/* GetSourceSecOffset
*
* Gets the current read offset for the given Source, in seconds. The offset is
* relative to the start of the queue (not the start of the current buffer).
*/
static ALdouble GetSourceSecOffset(ALsource *Source, ALCcontext *context, ALuint64 *clocktime)
{
ALCdevice *device = context->Device;
const ALbufferlistitem *Current;
ALuint64 readPos;
ALuint refcount;
ALdouble offset;
ALvoice *voice;
ReadLock(&Source->queue_lock);
do {
Current = NULL;
readPos = 0;
while(((refcount=ATOMIC_LOAD(&device->MixCount, almemory_order_acquire))&1))
althrd_yield();
*clocktime = GetDeviceClockTime(device);
voice = GetSourceVoice(Source, context);
if(voice)
{
Current = ATOMIC_LOAD(&voice->current_buffer, almemory_order_relaxed);
readPos = (ALuint64)ATOMIC_LOAD(&voice->position, almemory_order_relaxed) <<
FRACTIONBITS;
readPos |= ATOMIC_LOAD(&voice->position_fraction, almemory_order_relaxed);
}
ATOMIC_THREAD_FENCE(almemory_order_acquire);
} while(refcount != ATOMIC_LOAD(&device->MixCount, almemory_order_relaxed));
offset = 0.0;
if(voice)
{
const ALbufferlistitem *BufferList = Source->queue;
const ALbuffer *BufferFmt = NULL;
while(BufferList && BufferList != Current)
{
const ALbuffer *buffer = BufferList->buffer;
if(buffer != NULL)
{
if(!BufferFmt) BufferFmt = buffer;
readPos += (ALuint64)buffer->SampleLen << FRACTIONBITS;
}
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
while(BufferList && !BufferFmt)
{
BufferFmt = BufferList->buffer;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
assert(BufferFmt != NULL);
offset = (ALdouble)readPos / (ALdouble)FRACTIONONE /
(ALdouble)BufferFmt->Frequency;
}
ReadUnlock(&Source->queue_lock);
return offset;
}
/* GetSourceOffset
*
* Gets the current read offset for the given Source, in the appropriate format
* (Bytes, Samples or Seconds). The offset is relative to the start of the
* queue (not the start of the current buffer).
*/
static ALdouble GetSourceOffset(ALsource *Source, ALenum name, ALCcontext *context)
{
ALCdevice *device = context->Device;
const ALbufferlistitem *Current;
ALuint readPos;
ALsizei readPosFrac;
ALuint refcount;
ALdouble offset;
ALvoice *voice;
ReadLock(&Source->queue_lock);
do {
Current = NULL;
readPos = readPosFrac = 0;
while(((refcount=ATOMIC_LOAD(&device->MixCount, almemory_order_acquire))&1))
althrd_yield();
voice = GetSourceVoice(Source, context);
if(voice)
{
Current = ATOMIC_LOAD(&voice->current_buffer, almemory_order_relaxed);
readPos = ATOMIC_LOAD(&voice->position, almemory_order_relaxed);
readPosFrac = ATOMIC_LOAD(&voice->position_fraction, almemory_order_relaxed);
}
ATOMIC_THREAD_FENCE(almemory_order_acquire);
} while(refcount != ATOMIC_LOAD(&device->MixCount, almemory_order_relaxed));
offset = 0.0;
if(voice)
{
const ALbufferlistitem *BufferList = Source->queue;
const ALbuffer *BufferFmt = NULL;
ALboolean readFin = AL_FALSE;
ALuint totalBufferLen = 0;
while(BufferList != NULL)
{
const ALbuffer *buffer;
readFin = readFin || (BufferList == Current);
if((buffer=BufferList->buffer) != NULL)
{
if(!BufferFmt) BufferFmt = buffer;
totalBufferLen += buffer->SampleLen;
if(!readFin) readPos += buffer->SampleLen;
}
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
assert(BufferFmt != NULL);
if(Source->Looping)
readPos %= totalBufferLen;
else
{
/* Wrap back to 0 */
if(readPos >= totalBufferLen)
readPos = readPosFrac = 0;
}
offset = 0.0;
switch(name)
{
case AL_SEC_OFFSET:
offset = (readPos + (ALdouble)readPosFrac/FRACTIONONE) / BufferFmt->Frequency;
break;
case AL_SAMPLE_OFFSET:
offset = readPos + (ALdouble)readPosFrac/FRACTIONONE;
break;
case AL_BYTE_OFFSET:
if(BufferFmt->OriginalType == UserFmtIMA4)
{
ALsizei align = (BufferFmt->OriginalAlign-1)/2 + 4;
ALuint BlockSize = align * ChannelsFromFmt(BufferFmt->FmtChannels);
ALuint FrameBlockSize = BufferFmt->OriginalAlign;
/* Round down to nearest ADPCM block */
offset = (ALdouble)(readPos / FrameBlockSize * BlockSize);
}
else if(BufferFmt->OriginalType == UserFmtMSADPCM)
{
ALsizei align = (BufferFmt->OriginalAlign-2)/2 + 7;
ALuint BlockSize = align * ChannelsFromFmt(BufferFmt->FmtChannels);
ALuint FrameBlockSize = BufferFmt->OriginalAlign;
/* Round down to nearest ADPCM block */
offset = (ALdouble)(readPos / FrameBlockSize * BlockSize);
}
else
{
ALuint FrameSize = FrameSizeFromUserFmt(BufferFmt->OriginalChannels,
BufferFmt->OriginalType);
offset = (ALdouble)(readPos * FrameSize);
}
break;
}
}
ReadUnlock(&Source->queue_lock);
return offset;
}
/* ApplyOffset
*
* Apply the stored playback offset to the Source. This function will update
* the number of buffers "played" given the stored offset.
*/
static ALboolean ApplyOffset(ALsource *Source, ALvoice *voice)
{
ALbufferlistitem *BufferList;
const ALbuffer *Buffer;
ALuint bufferLen, totalBufferLen;
ALuint offset = 0;
ALsizei frac = 0;
/* Get sample frame offset */
if(!GetSampleOffset(Source, &offset, &frac))
return AL_FALSE;
totalBufferLen = 0;
BufferList = Source->queue;
while(BufferList && totalBufferLen <= offset)
{
Buffer = BufferList->buffer;
bufferLen = Buffer ? Buffer->SampleLen : 0;
if(bufferLen > offset-totalBufferLen)
{
/* Offset is in this buffer */
ATOMIC_STORE(&voice->position, offset - totalBufferLen, almemory_order_relaxed);
ATOMIC_STORE(&voice->position_fraction, frac, almemory_order_relaxed);
ATOMIC_STORE(&voice->current_buffer, BufferList, almemory_order_release);
return AL_TRUE;
}
totalBufferLen += bufferLen;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
/* Offset is out of range of the queue */
return AL_FALSE;
}
/* GetSampleOffset
*
* Retrieves the sample offset into the Source's queue (from the Sample, Byte
* or Second offset supplied by the application). This takes into account the
* fact that the buffer format may have been modifed since.
*/
static ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALsizei *frac)
{
const ALbuffer *BufferFmt = NULL;
const ALbufferlistitem *BufferList;
ALdouble dbloff, dblfrac;
/* Find the first valid Buffer in the Queue */
BufferList = Source->queue;
while(BufferList)
{
if((BufferFmt=BufferList->buffer) != NULL)
break;
BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed);
}
if(!BufferFmt)
{
Source->OffsetType = AL_NONE;
Source->Offset = 0.0;
return AL_FALSE;
}
switch(Source->OffsetType)
{
case AL_BYTE_OFFSET:
/* Determine the ByteOffset (and ensure it is block aligned) */
*offset = (ALuint)Source->Offset;
if(BufferFmt->OriginalType == UserFmtIMA4)
{
ALsizei align = (BufferFmt->OriginalAlign-1)/2 + 4;
*offset /= align * ChannelsFromUserFmt(BufferFmt->OriginalChannels);
*offset *= BufferFmt->OriginalAlign;
}
else if(BufferFmt->OriginalType == UserFmtMSADPCM)
{
ALsizei align = (BufferFmt->OriginalAlign-2)/2 + 7;
*offset /= align * ChannelsFromUserFmt(BufferFmt->OriginalChannels);
*offset *= BufferFmt->OriginalAlign;
}
else
*offset /= FrameSizeFromUserFmt(BufferFmt->OriginalChannels,
BufferFmt->OriginalType);
*frac = 0;
break;
case AL_SAMPLE_OFFSET:
dblfrac = modf(Source->Offset, &dbloff);
*offset = (ALuint)mind(dbloff, UINT_MAX);
*frac = (ALsizei)mind(dblfrac*FRACTIONONE, FRACTIONONE-1.0);
break;
case AL_SEC_OFFSET:
dblfrac = modf(Source->Offset*BufferFmt->Frequency, &dbloff);
*offset = (ALuint)mind(dbloff, UINT_MAX);
*frac = (ALsizei)mind(dblfrac*FRACTIONONE, FRACTIONONE-1.0);
break;
}
Source->OffsetType = AL_NONE;
Source->Offset = 0.0;
return AL_TRUE;
}
/* ReleaseALSources
*
* Destroys all sources in the source map.
*/
ALvoid ReleaseALSources(ALCcontext *Context)
{
ALCdevice *device = Context->Device;
ALsizei pos;
for(pos = 0;pos < Context->SourceMap.size;pos++)
{
ALsource *temp = Context->SourceMap.values[pos];
Context->SourceMap.values[pos] = NULL;
DeinitSource(temp, device->NumAuxSends);
FreeThunkEntry(temp->id);
memset(temp, 0, sizeof(*temp));
al_free(temp);
}
}
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