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df057d4118
AuroraOpenALSoft/OpenAL32/alSource.cpp
Chris Robinson df057d4118 Make the context VoiceCount atomic
2018-11-23 16:16:31 -08:00

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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 <float.h>
#include <cmath>
#include <limits>
#include <algorithm>
#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alcontext.h"
#include "alError.h"
#include "alSource.h"
#include "alBuffer.h"
#include "alFilter.h"
#include "alAuxEffectSlot.h"
#include "ringbuffer.h"
#include "backends/base.h"
#include "threads.h"
#include "almalloc.h"
namespace {
inline ALvoice *GetSourceVoice(ALsource *source, ALCcontext *context)
{
ALint idx{source->VoiceIdx};
if(idx >= 0 && idx < context->VoiceCount.load(std::memory_order_relaxed))
{
ALvoice *voice{context->Voices[idx]};
if(voice->Source.load(std::memory_order_acquire) == source)
return voice;
}
source->VoiceIdx = -1;
return nullptr;
}
void UpdateSourceProps(ALsource *source, ALvoice *voice, ALCcontext *context)
{
/* Get an unused property container, or allocate a new one as needed. */
ALvoiceProps *props{context->FreeVoiceProps.load(std::memory_order_acquire)};
if(!props)
props = static_cast<ALvoiceProps*>(al_calloc(16,
FAM_SIZE(ALvoiceProps, Send, source->Send.size()))
);
else
{
ALvoiceProps *next;
do {
next = props->next.load(std::memory_order_relaxed);
} while(context->FreeVoiceProps.compare_exchange_weak(props, next,
std::memory_order_acq_rel, std::memory_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;
std::copy_n(source->Position, 3, props->Position);
std::copy_n(source->Velocity, 3, props->Velocity);
std::copy_n(source->Direction, 3, props->Direction);
for(ALsizei i{0};i < 2;i++)
std::copy_n(source->Orientation[i], 3, props->Orientation[i]);
props->HeadRelative = source->HeadRelative;
props->mDistanceModel = source->mDistanceModel;
props->Resampler = source->Resampler;
props->DirectChannels = source->DirectChannels;
props->SpatializeMode = source->Spatialize;
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;
std::copy_n(source->StereoPan, 2, props->StereoPan);
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(size_t i{0u};i < source->Send.size();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 = voice->Update.exchange(props, std::memory_order_acq_rel);
if(props)
{
/* If there was an unused update container, put it back in the
* freelist.
*/
AtomicReplaceHead(context->FreeVoiceProps, props);
}
}
/* 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).
*/
ALint64 GetSourceSampleOffset(ALsource *Source, ALCcontext *context, std::chrono::nanoseconds *clocktime)
{
ALCdevice *device{context->Device};
const ALbufferlistitem *Current;
ALuint64 readPos;
ALuint refcount;
ALvoice *voice;
do {
Current = nullptr;
readPos = 0;
while(((refcount=device->MixCount.load(std::memory_order_acquire))&1))
althrd_yield();
*clocktime = GetDeviceClockTime(device);
voice = GetSourceVoice(Source, context);
if(voice)
{
Current = voice->current_buffer.load(std::memory_order_relaxed);
readPos = (ALuint64)voice->position.load(std::memory_order_relaxed) << 32;
readPos |= (ALuint64)voice->position_fraction.load(std::memory_order_relaxed) <<
(32-FRACTIONBITS);
}
std::atomic_thread_fence(std::memory_order_acquire);
} while(refcount != device->MixCount.load(std::memory_order_relaxed));
if(voice)
{
const ALbufferlistitem *BufferList{Source->queue};
while(BufferList && BufferList != Current)
{
readPos += (ALuint64)BufferList->max_samples << 32;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
readPos = minu64(readPos, U64(0x7fffffffffffffff));
}
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).
*/
ALdouble GetSourceSecOffset(ALsource *Source, ALCcontext *context, std::chrono::nanoseconds *clocktime)
{
ALCdevice *device{context->Device};
const ALbufferlistitem *Current;
ALuint64 readPos;
ALuint refcount;
ALvoice *voice;
do {
Current = nullptr;
readPos = 0;
while(((refcount=device->MixCount.load(std::memory_order_acquire))&1))
althrd_yield();
*clocktime = GetDeviceClockTime(device);
voice = GetSourceVoice(Source, context);
if(voice)
{
Current = voice->current_buffer.load(std::memory_order_relaxed);
readPos = (ALuint64)voice->position.load(std::memory_order_relaxed) << FRACTIONBITS;
readPos |= voice->position_fraction.load(std::memory_order_relaxed);
}
std::atomic_thread_fence(std::memory_order_acquire);
} while(refcount != device->MixCount.load(std::memory_order_relaxed));
ALdouble offset{0.0};
if(voice)
{
const ALbufferlistitem *BufferList{Source->queue};
const ALbuffer *BufferFmt{nullptr};
while(BufferList && BufferList != Current)
{
for(ALsizei i{0};!BufferFmt && i < BufferList->num_buffers;++i)
BufferFmt = BufferList->buffers[i];
readPos += (ALuint64)BufferList->max_samples << FRACTIONBITS;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
while(BufferList && !BufferFmt)
{
for(ALsizei i{0};!BufferFmt && i < BufferList->num_buffers;++i)
BufferFmt = BufferList->buffers[i];
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
assert(BufferFmt != nullptr);
offset = (ALdouble)readPos / (ALdouble)FRACTIONONE /
(ALdouble)BufferFmt->Frequency;
}
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).
*/
ALdouble GetSourceOffset(ALsource *Source, ALenum name, ALCcontext *context)
{
ALCdevice *device{context->Device};
const ALbufferlistitem *Current;
ALuint readPos;
ALsizei readPosFrac;
ALuint refcount;
ALvoice *voice;
do {
Current = nullptr;
readPos = readPosFrac = 0;
while(((refcount=device->MixCount.load(std::memory_order_acquire))&1))
althrd_yield();
voice = GetSourceVoice(Source, context);
if(voice)
{
Current = voice->current_buffer.load(std::memory_order_relaxed);
readPos = voice->position.load(std::memory_order_relaxed);
readPosFrac = voice->position_fraction.load(std::memory_order_relaxed);
}
std::atomic_thread_fence(std::memory_order_acquire);
} while(refcount != device->MixCount.load(std::memory_order_relaxed));
ALdouble offset{0.0};
if(voice)
{
const ALbufferlistitem *BufferList{Source->queue};
const ALbuffer *BufferFmt{nullptr};
ALboolean readFin{AL_FALSE};
ALuint totalBufferLen{0u};
while(BufferList)
{
for(ALsizei i{0};!BufferFmt && i < BufferList->num_buffers;++i)
BufferFmt = BufferList->buffers[i];
readFin |= (BufferList == Current);
totalBufferLen += BufferList->max_samples;
if(!readFin) readPos += BufferList->max_samples;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
assert(BufferFmt != nullptr);
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 = FrameSizeFromFmt(BufferFmt->FmtChannels,
BufferFmt->FmtType);
offset = (ALdouble)(readPos * FrameSize);
}
break;
}
}
return offset;
}
/* 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.
*/
ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALsizei *frac)
{
const ALbuffer *BufferFmt{nullptr};
const ALbufferlistitem *BufferList;
/* Find the first valid Buffer in the Queue */
BufferList = Source->queue;
while(BufferList)
{
for(ALsizei i{0};i < BufferList->num_buffers && !BufferFmt;i++)
BufferFmt = BufferList->buffers[i];
if(BufferFmt) break;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
if(!BufferFmt)
{
Source->OffsetType = AL_NONE;
Source->Offset = 0.0;
return AL_FALSE;
}
ALdouble dbloff, dblfrac;
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 * ChannelsFromFmt(BufferFmt->FmtChannels);
*offset *= BufferFmt->OriginalAlign;
}
else if(BufferFmt->OriginalType == UserFmtMSADPCM)
{
ALsizei align = (BufferFmt->OriginalAlign-2)/2 + 7;
*offset /= align * ChannelsFromFmt(BufferFmt->FmtChannels);
*offset *= BufferFmt->OriginalAlign;
}
else
*offset /= FrameSizeFromFmt(BufferFmt->FmtChannels, BufferFmt->FmtType);
*frac = 0;
break;
case AL_SAMPLE_OFFSET:
dblfrac = modf(Source->Offset, &dbloff);
*offset = (ALuint)mind(dbloff, std::numeric_limits<unsigned int>::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, std::numeric_limits<unsigned int>::max());
*frac = (ALsizei)mind(dblfrac*FRACTIONONE, FRACTIONONE-1.0);
break;
}
Source->OffsetType = AL_NONE;
Source->Offset = 0.0;
return AL_TRUE;
}
/* ApplyOffset
*
* Apply the stored playback offset to the Source. This function will update
* the number of buffers "played" given the stored offset.
*/
ALboolean ApplyOffset(ALsource *Source, ALvoice *voice)
{
/* Get sample frame offset */
ALuint offset{0u};
ALsizei frac{0};
if(!GetSampleOffset(Source, &offset, &frac))
return AL_FALSE;
ALuint totalBufferLen{0u};
ALbufferlistitem *BufferList{Source->queue};
while(BufferList && totalBufferLen <= offset)
{
if((ALuint)BufferList->max_samples > offset-totalBufferLen)
{
/* Offset is in this buffer */
voice->position.store(offset - totalBufferLen, std::memory_order_relaxed);
voice->position_fraction.store(frac, std::memory_order_relaxed);
voice->current_buffer.store(BufferList, std::memory_order_release);
return AL_TRUE;
}
totalBufferLen += BufferList->max_samples;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
/* Offset is out of range of the queue */
return AL_FALSE;
}
ALsource *AllocSource(ALCcontext *context)
{
ALCdevice *device{context->Device};
std::lock_guard<almtx_t> _{context->SourceLock};
if(context->NumSources >= device->SourcesMax)
{
alSetError(context, AL_OUT_OF_MEMORY, "Exceeding %u source limit", device->SourcesMax);
return nullptr;
}
auto sublist = std::find_if(context->SourceList.begin(), context->SourceList.end(),
[](const SourceSubList &entry) -> bool
{ return entry.FreeMask != 0; }
);
ALsizei lidx = std::distance(context->SourceList.begin(), sublist);
ALsource *source;
ALsizei slidx;
if(LIKELY(sublist != context->SourceList.end()))
{
slidx = CTZ64(sublist->FreeMask);
source = sublist->Sources + slidx;
}
else
{
/* Don't allocate so many list entries that the 32-bit ID could
* overflow...
*/
if(UNLIKELY(context->SourceList.size() >= 1<<25))
{
alSetError(context, AL_OUT_OF_MEMORY, "Too many sources allocated");
return nullptr;
}
context->SourceList.emplace_back();
sublist = context->SourceList.end() - 1;
sublist->FreeMask = ~U64(0);
sublist->Sources = static_cast<ALsource*>(al_calloc(16, sizeof(ALsource)*64));
if(UNLIKELY(!sublist->Sources))
{
context->SourceList.pop_back();
alSetError(context, AL_OUT_OF_MEMORY, "Failed to allocate source batch");
return nullptr;
}
slidx = 0;
source = sublist->Sources + slidx;
}
source = new (source) ALsource{device->NumAuxSends};
/* Add 1 to avoid source ID 0. */
source->id = ((lidx<<6) | slidx) + 1;
context->NumSources += 1;
sublist->FreeMask &= ~(U64(1)<<slidx);
return source;
}
void FreeSource(ALCcontext *context, ALsource *source)
{
ALuint id = source->id - 1;
ALsizei lidx = id >> 6;
ALsizei slidx = id & 0x3f;
ALCdevice *device{context->Device};
ALCdevice_Lock(device);
ALvoice *voice{GetSourceVoice(source, context)};
if(voice)
{
voice->Source.store(nullptr, std::memory_order_relaxed);
voice->Playing.store(false, std::memory_order_release);
}
ALCdevice_Unlock(device);
source->~ALsource();
context->SourceList[lidx].FreeMask |= U64(1) << slidx;
context->NumSources--;
}
inline ALsource *LookupSource(ALCcontext *context, ALuint id) noexcept
{
ALuint lidx = (id-1) >> 6;
ALsizei slidx = (id-1) & 0x3f;
if(UNLIKELY(lidx >= context->SourceList.size()))
return nullptr;
SourceSubList &sublist{context->SourceList[lidx]};
if(UNLIKELY(sublist.FreeMask & (U64(1)<<slidx)))
return nullptr;
return sublist.Sources + slidx;
}
inline ALbuffer *LookupBuffer(ALCdevice *device, ALuint id) noexcept
{
ALuint lidx = (id-1) >> 6;
ALsizei slidx = (id-1) & 0x3f;
if(UNLIKELY(lidx >= device->BufferList.size()))
return nullptr;
BufferSubList &sublist = device->BufferList[lidx];
if(UNLIKELY(sublist.FreeMask & (U64(1)<<slidx)))
return nullptr;
return sublist.Buffers + slidx;
}
inline ALfilter *LookupFilter(ALCdevice *device, ALuint id) noexcept
{
ALuint lidx = (id-1) >> 6;
ALsizei slidx = (id-1) & 0x3f;
if(UNLIKELY(lidx >= device->FilterList.size()))
return nullptr;
FilterSubList &sublist = device->FilterList[lidx];
if(UNLIKELY(sublist.FreeMask & (U64(1)<<slidx)))
return nullptr;
return sublist.Filters + slidx;
}
inline ALeffectslot *LookupEffectSlot(ALCcontext *context, ALuint id) noexcept
{
--id;
if(UNLIKELY(id >= context->EffectSlotList.size()))
return nullptr;
return context->EffectSlotList[id].get();
}
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,
/* 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,
/* AL_SOFT_source_resampler */
srcResampler = AL_SOURCE_RESAMPLER_SOFT,
/* AL_SOFT_source_spatialize */
srcSpatialize = AL_SOURCE_SPATIALIZE_SOFT,
/* ALC_SOFT_device_clock */
srcSampleOffsetClockSOFT = AL_SAMPLE_OFFSET_CLOCK_SOFT,
srcSecOffsetClockSOFT = AL_SEC_OFFSET_CLOCK_SOFT,
};
/**
* Returns if the last known state for the source was playing or paused. Does
* not sync with the mixer voice.
*/
inline bool IsPlayingOrPaused(ALsource *source)
{ return source->state == AL_PLAYING || source->state == AL_PAUSED; }
/**
* Returns an updated source state using the matching voice's status (or lack
* thereof).
*/
inline ALenum GetSourceState(ALsource *source, ALvoice *voice)
{
if(!voice && source->state == AL_PLAYING)
source->state = AL_STOPPED;
return source->state;
}
/**
* Returns if the source should specify an update, given the context's
* deferring state and the source's last known state.
*/
inline bool SourceShouldUpdate(ALsource *source, ALCcontext *context)
{
return !context->DeferUpdates.load(std::memory_order_acquire) &&
IsPlayingOrPaused(source);
}
/** Can only be called while the mixer is locked! */
void SendStateChangeEvent(ALCcontext *context, ALuint id, ALenum state)
{
AsyncEvent evt = ASYNC_EVENT(EventType_SourceStateChange);
ALbitfieldSOFT enabledevt;
enabledevt = context->EnabledEvts.load(std::memory_order_acquire);
if(!(enabledevt&EventType_SourceStateChange)) return;
evt.u.user.type = AL_EVENT_TYPE_SOURCE_STATE_CHANGED_SOFT;
evt.u.user.id = id;
evt.u.user.param = state;
snprintf(evt.u.user.msg, sizeof(evt.u.user.msg), "Source ID %u state changed to %s", id,
(state==AL_INITIAL) ? "AL_INITIAL" :
(state==AL_PLAYING) ? "AL_PLAYING" :
(state==AL_PAUSED) ? "AL_PAUSED" :
(state==AL_STOPPED) ? "AL_STOPPED" : "<unknown>"
);
/* The mixer may have queued a state change that's not yet been processed,
* and we don't want state change messages to occur out of order, so send
* it through the async queue to ensure proper ordering.
*/
if(ll_ringbuffer_write(context->AsyncEvents, &evt, 1) == 1)
alsem_post(&context->EventSem);
}
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_SOURCE_RADIUS:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_SOFT:
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:
case AL_SEC_OFFSET_CLOCK_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:
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
break; /* i64 only */
}
return 0;
}
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_SOURCE_RADIUS:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_SOFT:
return 1;
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_CLOCK_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:
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
break; /* i64 only */
}
return 0;
}
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_SOURCE_RADIUS:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_SOFT:
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:
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
break; /* i64 only */
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_CLOCK_SOFT:
break; /* Double only */
case AL_STEREO_ANGLES:
break; /* Float/double only */
}
return 0;
}
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_SOURCE_RADIUS:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_SOFT:
return 1;
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
case AL_SAMPLE_OFFSET_CLOCK_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:
case AL_SEC_OFFSET_CLOCK_SOFT:
break; /* Double only */
case AL_STEREO_ANGLES:
break; /* Float/double only */
}
return 0;
}
ALboolean SetSourcefv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALfloat *values);
ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALint *values);
ALboolean SetSourcei64v(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALint64SOFT *values);
#define CHECKVAL(x) do { \
if(!(x)) \
{ \
alSetError(Context, AL_INVALID_VALUE, "Value out of range"); \
return AL_FALSE; \
} \
} while(0)
#define DO_UPDATEPROPS() do { \
ALvoice *voice; \
if(SourceShouldUpdate(Source, Context) && \
(voice=GetSourceVoice(Source, Context)) != nullptr) \
UpdateSourceProps(Source, voice, Context); \
else \
Source->PropsClean.clear(std::memory_order_release); \
} while(0)
ALboolean SetSourcefv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALfloat *values)
{
ALint ival;
switch(prop)
{
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_CLOCK_SOFT:
/* Query only */
SETERR_RETURN(Context, AL_INVALID_OPERATION, AL_FALSE,
"Setting read-only source property 0x%04x", prop);
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)
{
if(ApplyOffset(Source, voice) == AL_FALSE)
{
ALCdevice_Unlock(Context->Device);
SETERR_RETURN(Context, AL_INVALID_VALUE, AL_FALSE, "Invalid offset");
}
}
ALCdevice_Unlock(Context->Device);
}
return AL_TRUE;
case AL_SOURCE_RADIUS:
CHECKVAL(*values >= 0.0f && std::isfinite(*values));
Source->Radius = *values;
DO_UPDATEPROPS();
return AL_TRUE;
case AL_STEREO_ANGLES:
CHECKVAL(std::isfinite(values[0]) && std::isfinite(values[1]));
Source->StereoPan[0] = values[0];
Source->StereoPan[1] = values[1];
DO_UPDATEPROPS();
return AL_TRUE;
case AL_POSITION:
CHECKVAL(std::isfinite(values[0]) && std::isfinite(values[1]) && std::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(std::isfinite(values[0]) && std::isfinite(values[1]) && std::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(std::isfinite(values[0]) && std::isfinite(values[1]) && std::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(std::isfinite(values[0]) && std::isfinite(values[1]) && std::isfinite(values[2]) &&
std::isfinite(values[3]) && std::isfinite(values[4]) && std::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:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_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:
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SETERR_RETURN(Context, AL_INVALID_ENUM, AL_FALSE, "Invalid source float property 0x%04x", prop);
}
ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp prop, const ALint *values)
{
ALCdevice *device{Context->Device};
ALbuffer *buffer{nullptr};
ALfilter *filter{nullptr};
ALeffectslot *slot{nullptr};
ALbufferlistitem *oldlist{nullptr};
std::unique_lock<almtx_t> slotlock;
std::unique_lock<almtx_t> buflock;
ALfloat fvals[6];
switch(prop)
{
case AL_SOURCE_STATE:
case AL_SOURCE_TYPE:
case AL_BUFFERS_QUEUED:
case AL_BUFFERS_PROCESSED:
/* Query only */
SETERR_RETURN(Context, AL_INVALID_OPERATION, AL_FALSE,
"Setting read-only source property 0x%04x", prop);
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);
Source->Looping = (ALboolean)*values;
if(IsPlayingOrPaused(Source))
{
ALvoice *voice{GetSourceVoice(Source, Context)};
if(voice)
{
if(Source->Looping)
voice->loop_buffer.store(Source->queue, std::memory_order_release);
else
voice->loop_buffer.store(nullptr, std::memory_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((device->MixCount.load(std::memory_order_acquire)&1))
althrd_yield();
}
}
return AL_TRUE;
case AL_BUFFER:
buflock = std::unique_lock<almtx_t>{device->BufferLock};
if(!(*values == 0 || (buffer=LookupBuffer(device, *values)) != nullptr))
SETERR_RETURN(Context, AL_INVALID_VALUE, AL_FALSE, "Invalid buffer ID %u",
*values);
if(buffer && buffer->MappedAccess != 0 &&
!(buffer->MappedAccess&AL_MAP_PERSISTENT_BIT_SOFT))
SETERR_RETURN(Context, AL_INVALID_OPERATION, AL_FALSE,
"Setting non-persistently mapped buffer %u", buffer->id);
else
{
ALenum state = GetSourceState(Source, GetSourceVoice(Source, Context));
if(state == AL_PLAYING || state == AL_PAUSED)
SETERR_RETURN(Context, AL_INVALID_OPERATION, AL_FALSE,
"Setting buffer on playing or paused source %u", Source->id);
}
oldlist = Source->queue;
if(buffer != nullptr)
{
/* Add the selected buffer to a one-item queue */
auto newlist = static_cast<ALbufferlistitem*>(al_calloc(DEF_ALIGN,
FAM_SIZE(ALbufferlistitem, buffers, 1)));
ATOMIC_INIT(&newlist->next, static_cast<ALbufferlistitem*>(nullptr));
newlist->max_samples = buffer->SampleLen;
newlist->num_buffers = 1;
newlist->buffers[0] = buffer;
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 = nullptr;
}
buflock.unlock();
/* Delete all elements in the previous queue */
while(oldlist != nullptr)
{
ALbufferlistitem *temp{oldlist};
oldlist = temp->next.load(std::memory_order_relaxed);
for(ALsizei i{0};i < temp->num_buffers;i++)
{
if(temp->buffers[i])
DecrementRef(&temp->buffers[i]->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))
{
ALCdevice_Lock(Context->Device);
ALvoice *voice{GetSourceVoice(Source, Context)};
if(voice)
{
if(ApplyOffset(Source, voice) == AL_FALSE)
{
ALCdevice_Unlock(Context->Device);
SETERR_RETURN(Context, AL_INVALID_VALUE, AL_FALSE,
"Invalid source offset");
}
}
ALCdevice_Unlock(Context->Device);
}
return AL_TRUE;
case AL_DIRECT_FILTER:
LockFilterList(device);
if(!(*values == 0 || (filter=LookupFilter(device, *values)) != nullptr))
{
UnlockFilterList(device);
SETERR_RETURN(Context, AL_INVALID_VALUE, AL_FALSE, "Invalid filter ID %u",
*values);
}
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;
}
UnlockFilterList(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->mDistanceModel = static_cast<DistanceModel>(*values);
if(Context->SourceDistanceModel)
DO_UPDATEPROPS();
return AL_TRUE;
case AL_SOURCE_RESAMPLER_SOFT:
CHECKVAL(*values >= 0 && *values <= ResamplerMax);
Source->Resampler = static_cast<enum Resampler>(*values);
DO_UPDATEPROPS();
return AL_TRUE;
case AL_SOURCE_SPATIALIZE_SOFT:
CHECKVAL(*values >= AL_FALSE && *values <= AL_AUTO_SOFT);
Source->Spatialize = static_cast<enum SpatializeMode>(*values);
DO_UPDATEPROPS();
return AL_TRUE;
case AL_AUXILIARY_SEND_FILTER:
slotlock = std::unique_lock<almtx_t>{Context->EffectSlotLock};
if(!(values[0] == 0 || (slot=LookupEffectSlot(Context, values[0])) != nullptr))
SETERR_RETURN(Context, AL_INVALID_VALUE, AL_FALSE, "Invalid effect ID %u",
values[0]);
if((ALuint)values[1] >= (ALuint)device->NumAuxSends)
SETERR_RETURN(Context, AL_INVALID_VALUE, AL_FALSE, "Invalid send %u", values[1]);
LockFilterList(device);
if(!(values[2] == 0 || (filter=LookupFilter(device, values[2])) != nullptr))
{
UnlockFilterList(device);
SETERR_RETURN(Context, AL_INVALID_VALUE, AL_FALSE, "Invalid filter ID %u",
values[2]);
}
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;
}
UnlockFilterList(device);
if(slot != Source->Send[values[1]].Slot && IsPlayingOrPaused(Source))
{
/* 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.
*/
ALvoice *voice{GetSourceVoice(Source, Context)};
if(voice) UpdateSourceProps(Source, voice, Context);
else Source->PropsClean.clear(std::memory_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();
}
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, 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, 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, prop, fvals);
case AL_SAMPLE_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_CLOCK_SOFT:
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
case AL_STEREO_ANGLES:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SETERR_RETURN(Context, AL_INVALID_ENUM, AL_FALSE, "Invalid source integer property 0x%04x",
prop);
}
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_SAMPLE_OFFSET_CLOCK_SOFT:
/* Query only */
SETERR_RETURN(Context, AL_INVALID_OPERATION, AL_FALSE,
"Setting read-only source property 0x%04x", prop);
/* 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:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_SOFT:
CHECKVAL(*values <= INT_MAX && *values >= INT_MIN);
ivals[0] = (ALint)*values;
return SetSourceiv(Source, Context, 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, 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, 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, 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, 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, prop, fvals);
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_CLOCK_SOFT:
case AL_STEREO_ANGLES:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SETERR_RETURN(Context, AL_INVALID_ENUM, AL_FALSE, "Invalid source integer64 property 0x%04x",
prop);
}
#undef CHECKVAL
ALboolean GetSourcedv(ALsource *Source, ALCcontext *Context, SourceProp prop, ALdouble *values);
ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp prop, ALint *values);
ALboolean GetSourcei64v(ALsource *Source, ALCcontext *Context, SourceProp prop, ALint64 *values);
ALboolean GetSourcedv(ALsource *Source, ALCcontext *Context, SourceProp prop, ALdouble *values)
{
ALCdevice *device{Context->Device};
ClockLatency clocktime;
std::chrono::nanoseconds 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_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);
{ std::lock_guard<almtx_t> _{device->BackendLock};
clocktime = GetClockLatency(device);
}
if(srcclock == clocktime.ClockTime)
values[1] = (ALdouble)clocktime.Latency.count() / 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.
*/
std::chrono::nanoseconds diff = clocktime.ClockTime - srcclock;
values[1] = (ALdouble)(clocktime.Latency - std::min(clocktime.Latency, diff)).count() /
1000000000.0;
}
return AL_TRUE;
case AL_SEC_OFFSET_CLOCK_SOFT:
values[0] = GetSourceSecOffset(Source, Context, &srcclock);
values[1] = srcclock.count() / 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_DISTANCE_MODEL:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_SOFT:
if((err=GetSourceiv(Source, Context, 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:
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
break;
}
ERR("Unexpected property: 0x%04x\n", prop);
SETERR_RETURN(Context, AL_INVALID_ENUM, AL_FALSE, "Invalid source double property 0x%04x",
prop);
}
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:
BufferList = (Source->SourceType == AL_STATIC) ? Source->queue : nullptr;
*values = (BufferList && BufferList->num_buffers >= 1 && BufferList->buffers[0]) ?
BufferList->buffers[0]->id : 0;
return AL_TRUE;
case AL_SOURCE_STATE:
*values = GetSourceState(Source, GetSourceVoice(Source, Context));
return AL_TRUE;
case AL_BUFFERS_QUEUED:
if(!(BufferList=Source->queue))
*values = 0;
else
{
ALsizei count = 0;
do {
count += BufferList->num_buffers;
BufferList = BufferList->next.load(std::memory_order_relaxed);
} while(BufferList != nullptr);
*values = count;
}
return AL_TRUE;
case AL_BUFFERS_PROCESSED:
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{nullptr};
ALsizei played{0};
ALvoice *voice{GetSourceVoice(Source, Context)};
if(voice != nullptr)
Current = voice->current_buffer.load(std::memory_order_relaxed);
else if(Source->state == AL_INITIAL)
Current = BufferList;
while(BufferList && BufferList != Current)
{
played += BufferList->num_buffers;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
*values = played;
}
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 = static_cast<int>(Source->mDistanceModel);
return AL_TRUE;
case AL_SOURCE_RESAMPLER_SOFT:
*values = Source->Resampler;
return AL_TRUE;
case AL_SOURCE_SPATIALIZE_SOFT:
*values = Source->Spatialize;
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_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:
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
break; /* i64 only */
case AL_SEC_OFFSET_LATENCY_SOFT:
case AL_SEC_OFFSET_CLOCK_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);
SETERR_RETURN(Context, AL_INVALID_ENUM, AL_FALSE, "Invalid source integer property 0x%04x",
prop);
}
ALboolean GetSourcei64v(ALsource *Source, ALCcontext *Context, SourceProp prop, ALint64 *values)
{
ALCdevice *device = Context->Device;
ClockLatency clocktime;
std::chrono::nanoseconds 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);
{ std::lock_guard<almtx_t> _{device->BackendLock};
clocktime = GetClockLatency(device);
}
if(srcclock == clocktime.ClockTime)
values[1] = clocktime.Latency.count();
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.
*/
auto diff = clocktime.ClockTime - srcclock;
values[1] = (clocktime.Latency - std::min(clocktime.Latency, diff)).count();
}
return AL_TRUE;
case AL_SAMPLE_OFFSET_CLOCK_SOFT:
values[0] = GetSourceSampleOffset(Source, Context, &srcclock);
values[1] = srcclock.count();
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_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_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:
case AL_SOURCE_RESAMPLER_SOFT:
case AL_SOURCE_SPATIALIZE_SOFT:
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:
case AL_SEC_OFFSET_CLOCK_SOFT:
break; /* Double only */
case AL_STEREO_ANGLES:
break; /* Float/double only */
}
ERR("Unexpected property: 0x%04x\n", prop);
SETERR_RETURN(Context, AL_INVALID_ENUM, AL_FALSE, "Invalid source integer64 property 0x%04x",
prop);
}
} // namespace
AL_API ALvoid AL_APIENTRY alGenSources(ALsizei n, ALuint *sources)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(n < 0)
alSetError(context.get(), AL_INVALID_VALUE, "Generating %d sources", n);
else if(n == 1)
{
ALsource *source = AllocSource(context.get());
if(source) sources[0] = source->id;
}
else
{
al::vector<ALuint> tempids(n);
auto alloc_end = std::find_if_not(tempids.begin(), tempids.end(),
[&context](ALuint &id) -> bool
{
ALsource *source{AllocSource(context.get())};
if(!source) return false;
id = source->id;
return true;
}
);
if(alloc_end != tempids.end())
alDeleteSources(std::distance(tempids.begin(), alloc_end), tempids.data());
else
std::copy(tempids.cbegin(), tempids.cend(), sources);
}
}
AL_API ALvoid AL_APIENTRY alDeleteSources(ALsizei n, const ALuint *sources)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(n < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Deleting %d sources", n);
std::lock_guard<almtx_t> _{context->SourceLock};
/* Check that all Sources are valid */
const ALuint *sources_end = sources + n;
auto invsrc = std::find_if_not(sources, sources_end,
[&context](ALuint sid) -> bool
{
if(!LookupSource(context.get(), sid))
{
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", sid);
return false;
}
return true;
}
);
if(LIKELY(invsrc == sources_end))
{
/* All good. Delete source IDs. */
std::for_each(sources, sources_end,
[&context](ALuint sid) -> void
{
ALsource *src{LookupSource(context.get(), sid)};
if(src) FreeSource(context.get(), src);
}
);
}
}
AL_API ALboolean AL_APIENTRY alIsSource(ALuint source)
{
ContextRef context{GetContextRef()};
if(LIKELY(context))
{
std::lock_guard<almtx_t> _{context->SourceLock};
if(LookupSource(context.get(), source) != nullptr)
return AL_TRUE;
}
return AL_FALSE;
}
AL_API ALvoid AL_APIENTRY alSourcef(ALuint source, ALenum param, ALfloat value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(FloatValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid float property 0x%04x", param);
else
SetSourcefv(Source, context.get(), static_cast<SourceProp>(param), &value);
}
AL_API ALvoid AL_APIENTRY alSource3f(ALuint source, ALenum param, ALfloat value1, ALfloat value2, ALfloat value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(FloatValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-float property 0x%04x", param);
else
{
ALfloat fvals[3] = { value1, value2, value3 };
SetSourcefv(Source, context.get(), static_cast<SourceProp>(param), fvals);
}
}
AL_API ALvoid AL_APIENTRY alSourcefv(ALuint source, ALenum param, const ALfloat *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(FloatValsByProp(param) < 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid float-vector property 0x%04x", param);
else
SetSourcefv(Source, context.get(), static_cast<SourceProp>(param), values);
}
AL_API ALvoid AL_APIENTRY alSourcedSOFT(ALuint source, ALenum param, ALdouble value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(DoubleValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid double property 0x%04x", param);
else
{
ALfloat fval = (ALfloat)value;
SetSourcefv(Source, context.get(), static_cast<SourceProp>(param), &fval);
}
}
AL_API ALvoid AL_APIENTRY alSource3dSOFT(ALuint source, ALenum param, ALdouble value1, ALdouble value2, ALdouble value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(DoubleValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-double property 0x%04x", param);
else
{
ALfloat fvals[3] = { (ALfloat)value1, (ALfloat)value2, (ALfloat)value3 };
SetSourcefv(Source, context.get(), static_cast<SourceProp>(param), fvals);
}
}
AL_API ALvoid AL_APIENTRY alSourcedvSOFT(ALuint source, ALenum param, const ALdouble *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else
{
ALint count{DoubleValsByProp(param)};
if(count < 1 || count > 6)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid double-vector property 0x%04x", param);
else
{
ALfloat fvals[6];
ALint i;
for(i = 0;i < count;i++)
fvals[i] = (ALfloat)values[i];
SetSourcefv(Source, context.get(), static_cast<SourceProp>(param), fvals);
}
}
}
AL_API ALvoid AL_APIENTRY alSourcei(ALuint source, ALenum param, ALint value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(IntValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer property 0x%04x", param);
else
SetSourceiv(Source, context.get(), static_cast<SourceProp>(param), &value);
}
AL_API void AL_APIENTRY alSource3i(ALuint source, ALenum param, ALint value1, ALint value2, ALint value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(IntValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-integer property 0x%04x", param);
else
{
ALint ivals[3] = { value1, value2, value3 };
SetSourceiv(Source, context.get(), static_cast<SourceProp>(param), ivals);
}
}
AL_API void AL_APIENTRY alSourceiv(ALuint source, ALenum param, const ALint *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source = LookupSource(context.get(), source);
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(IntValsByProp(param) < 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer-vector property 0x%04x", param);
else
SetSourceiv(Source, context.get(), static_cast<SourceProp>(param), values);
}
AL_API ALvoid AL_APIENTRY alSourcei64SOFT(ALuint source, ALenum param, ALint64SOFT value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(Int64ValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer64 property 0x%04x", param);
else
SetSourcei64v(Source, context.get(), static_cast<SourceProp>(param), &value);
}
AL_API void AL_APIENTRY alSource3i64SOFT(ALuint source, ALenum param, ALint64SOFT value1, ALint64SOFT value2, ALint64SOFT value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(Int64ValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-integer64 property 0x%04x", param);
else
{
ALint64SOFT i64vals[3] = { value1, value2, value3 };
SetSourcei64v(Source, context.get(), static_cast<SourceProp>(param), i64vals);
}
}
AL_API void AL_APIENTRY alSourcei64vSOFT(ALuint source, ALenum param, const ALint64SOFT *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->PropLock};
std::lock_guard<almtx_t> __{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(Int64ValsByProp(param) < 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer64-vector property 0x%04x", param);
else
SetSourcei64v(Source, context.get(), static_cast<SourceProp>(param), values);
}
AL_API ALvoid AL_APIENTRY alGetSourcef(ALuint source, ALenum param, ALfloat *value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!value)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(FloatValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid float property 0x%04x", param);
else
{
ALdouble dval;
if(GetSourcedv(Source, context.get(), static_cast<SourceProp>(param), &dval))
*value = (ALfloat)dval;
}
}
AL_API ALvoid AL_APIENTRY alGetSource3f(ALuint source, ALenum param, ALfloat *value1, ALfloat *value2, ALfloat *value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!(value1 && value2 && value3))
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(FloatValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-float property 0x%04x", param);
else
{
ALdouble dvals[3];
if(GetSourcedv(Source, context.get(), static_cast<SourceProp>(param), dvals))
{
*value1 = (ALfloat)dvals[0];
*value2 = (ALfloat)dvals[1];
*value3 = (ALfloat)dvals[2];
}
}
}
AL_API ALvoid AL_APIENTRY alGetSourcefv(ALuint source, ALenum param, ALfloat *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else
{
ALint count{FloatValsByProp(param)};
if(count < 1 && count > 6)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid float-vector property 0x%04x", param);
else
{
ALdouble dvals[6];
if(GetSourcedv(Source, context.get(), static_cast<SourceProp>(param), dvals))
{
for(ALint i{0};i < count;i++)
values[i] = (ALfloat)dvals[i];
}
}
}
}
AL_API void AL_APIENTRY alGetSourcedSOFT(ALuint source, ALenum param, ALdouble *value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!value)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(DoubleValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid double property 0x%04x", param);
else
GetSourcedv(Source, context.get(), static_cast<SourceProp>(param), value);
}
AL_API void AL_APIENTRY alGetSource3dSOFT(ALuint source, ALenum param, ALdouble *value1, ALdouble *value2, ALdouble *value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!(value1 && value2 && value3))
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(DoubleValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-double property 0x%04x", param);
else
{
ALdouble dvals[3];
if(GetSourcedv(Source, context.get(), static_cast<SourceProp>(param), dvals))
{
*value1 = dvals[0];
*value2 = dvals[1];
*value3 = dvals[2];
}
}
}
AL_API void AL_APIENTRY alGetSourcedvSOFT(ALuint source, ALenum param, ALdouble *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(DoubleValsByProp(param) < 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid double-vector property 0x%04x", param);
else
GetSourcedv(Source, context.get(), static_cast<SourceProp>(param), values);
}
AL_API ALvoid AL_APIENTRY alGetSourcei(ALuint source, ALenum param, ALint *value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!value)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(IntValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer property 0x%04x", param);
else
GetSourceiv(Source, context.get(), static_cast<SourceProp>(param), value);
}
AL_API void AL_APIENTRY alGetSource3i(ALuint source, ALenum param, ALint *value1, ALint *value2, ALint *value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!(value1 && value2 && value3))
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(IntValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-integer property 0x%04x", param);
else
{
ALint ivals[3];
if(GetSourceiv(Source, context.get(), static_cast<SourceProp>(param), ivals))
{
*value1 = ivals[0];
*value2 = ivals[1];
*value3 = ivals[2];
}
}
}
AL_API void AL_APIENTRY alGetSourceiv(ALuint source, ALenum param, ALint *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(IntValsByProp(param) < 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer-vector property 0x%04x", param);
else
GetSourceiv(Source, context.get(), static_cast<SourceProp>(param), values);
}
AL_API void AL_APIENTRY alGetSourcei64SOFT(ALuint source, ALenum param, ALint64SOFT *value)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!value)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(Int64ValsByProp(param) != 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer64 property 0x%04x", param);
else
GetSourcei64v(Source, context.get(), static_cast<SourceProp>(param), value);
}
AL_API void AL_APIENTRY alGetSource3i64SOFT(ALuint source, ALenum param, ALint64SOFT *value1, ALint64SOFT *value2, ALint64SOFT *value3)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!(value1 && value2 && value3))
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(Int64ValsByProp(param) != 3)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid 3-integer64 property 0x%04x", param);
else
{
ALint64 i64vals[3];
if(GetSourcei64v(Source, context.get(), static_cast<SourceProp>(param), i64vals))
{
*value1 = i64vals[0];
*value2 = i64vals[1];
*value3 = i64vals[2];
}
}
}
AL_API void AL_APIENTRY alGetSourcei64vSOFT(ALuint source, ALenum param, ALint64SOFT *values)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *Source{LookupSource(context.get(), source)};
if(UNLIKELY(!Source))
alSetError(context.get(), AL_INVALID_NAME, "Invalid source ID %u", source);
else if(!values)
alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer");
else if(Int64ValsByProp(param) < 1)
alSetError(context.get(), AL_INVALID_ENUM, "Invalid integer64-vector property 0x%04x", param);
else
GetSourcei64v(Source, context.get(), static_cast<SourceProp>(param), values);
}
AL_API ALvoid AL_APIENTRY alSourcePlay(ALuint source)
{
alSourcePlayv(1, &source);
}
AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(n < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Playing %d sources", n);
if(n == 0) return;
std::lock_guard<almtx_t> _{context->SourceLock};
for(ALsizei i{0};i < n;i++)
{
if(!LookupSource(context.get(), sources[i]))
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", sources[i]);
}
ALCdevice *device{context->Device};
ALCdevice_Lock(device);
/* If the device is disconnected, go right to stopped. */
if(!device->Connected.load(std::memory_order_acquire))
{
/* TODO: Send state change event? */
for(ALsizei i{0};i < n;i++)
{
ALsource *source{LookupSource(context.get(), sources[i])};
source->OffsetType = AL_NONE;
source->Offset = 0.0;
source->state = AL_STOPPED;
}
ALCdevice_Unlock(device);
return;
}
while(n > context->MaxVoices-context->VoiceCount.load(std::memory_order_relaxed))
{
ALsizei newcount = context->MaxVoices << 1;
if(context->MaxVoices >= newcount)
{
ALCdevice_Unlock(device);
SETERR_RETURN(context.get(), AL_OUT_OF_MEMORY,,
"Overflow increasing voice count %d -> %d", context->MaxVoices, newcount);
}
AllocateVoices(context.get(), newcount, device->NumAuxSends);
}
for(ALsizei i{0};i < n;i++)
{
ALsource *source{LookupSource(context.get(), sources[i])};
/* Check that there is a queue containing at least one valid, non zero
* length buffer.
*/
ALbufferlistitem *BufferList{source->queue};
while(BufferList && BufferList->max_samples == 0)
BufferList = BufferList->next.load(std::memory_order_relaxed);
/* If there's nothing to play, go right to stopped. */
if(UNLIKELY(!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.
*/
ALenum oldstate{GetSourceState(source, nullptr)};
source->OffsetType = AL_NONE;
source->Offset = 0.0;
if(oldstate != AL_STOPPED)
{
source->state = AL_STOPPED;
SendStateChangeEvent(context.get(), source->id, AL_STOPPED);
}
continue;
}
ALvoice *voice{GetSourceVoice(source, context.get())};
switch(GetSourceState(source, voice))
{
case AL_PLAYING:
assert(voice != nullptr);
/* A source that's already playing is restarted from the beginning. */
voice->current_buffer.store(BufferList, std::memory_order_relaxed);
voice->position.store(0u, std::memory_order_relaxed);
voice->position_fraction.store(0, std::memory_order_release);
continue;
case AL_PAUSED:
assert(voice != nullptr);
/* A source that's paused simply resumes. */
voice->Playing.store(true, std::memory_order_release);
source->state = AL_PLAYING;
SendStateChangeEvent(context.get(), source->id, AL_PLAYING);
continue;
default:
break;
}
/* Look for an unused voice to play this source with. */
assert(voice == nullptr);
auto voices_end = context->Voices + context->VoiceCount.load(std::memory_order_relaxed);
auto voice_iter = std::find_if(context->Voices, voices_end,
[](const ALvoice *voice) noexcept -> bool
{ return voice->Source.load(std::memory_order_relaxed) == nullptr; }
);
auto vidx = static_cast<ALint>(std::distance(context->Voices, voice_iter));
voice = *voice_iter;
voice->Playing.store(false, std::memory_order_release);
if(voice_iter == voices_end) context->VoiceCount.fetch_add(1, std::memory_order_acq_rel);
source->PropsClean.test_and_set(std::memory_order_acquire);
UpdateSourceProps(source, voice, context.get());
/* A source that's not playing or paused has any offset applied when it
* starts playing.
*/
if(source->Looping)
voice->loop_buffer.store(source->queue, std::memory_order_relaxed);
else
voice->loop_buffer.store(nullptr, std::memory_order_relaxed);
voice->current_buffer.store(BufferList, std::memory_order_relaxed);
voice->position.store(0u, std::memory_order_relaxed);
voice->position_fraction.store(0, std::memory_order_relaxed);
bool start_fading{false};
if(ApplyOffset(source, voice) != AL_FALSE)
start_fading = voice->position.load(std::memory_order_relaxed) != 0 ||
voice->position_fraction.load(std::memory_order_relaxed) != 0 ||
voice->current_buffer.load(std::memory_order_relaxed) != BufferList;
auto buffers_end = BufferList->buffers + BufferList->num_buffers;
auto buffer = std::find_if(BufferList->buffers, buffers_end,
[](const ALbuffer *buffer) noexcept -> bool
{ return buffer != nullptr; }
);
if(buffer != buffers_end)
{
voice->NumChannels = ChannelsFromFmt((*buffer)->FmtChannels);
voice->SampleSize = BytesFromFmt((*buffer)->FmtType);
}
/* Clear previous samples. */
for(auto &samples : voice->PrevSamples)
std::fill(std::begin(samples), std::end(samples), 0.0f);
/* Clear the stepping value so the mixer knows not to mix this until
* the update gets applied.
*/
voice->Step = 0;
voice->Flags = start_fading ? VOICE_IS_FADING : 0;
if(source->SourceType == AL_STATIC) voice->Flags |= VOICE_IS_STATIC;
memset(voice->Direct.Params, 0, sizeof(voice->Direct.Params[0])*voice->NumChannels);
for(ALsizei j{0};j < device->NumAuxSends;j++)
memset(voice->Send[j].Params, 0, sizeof(voice->Send[j].Params[0])*voice->NumChannels);
if(device->AvgSpeakerDist > 0.0f)
{
ALfloat w1 = SPEEDOFSOUNDMETRESPERSEC /
(device->AvgSpeakerDist * device->Frequency);
for(ALsizei j{0};j < voice->NumChannels;j++)
NfcFilterCreate(&voice->Direct.Params[j].NFCtrlFilter, 0.0f, w1);
}
voice->Source.store(source, std::memory_order_relaxed);
voice->Playing.store(true, std::memory_order_release);
source->state = AL_PLAYING;
source->VoiceIdx = vidx;
SendStateChangeEvent(context.get(), source->id, AL_PLAYING);
}
ALCdevice_Unlock(device);
}
AL_API ALvoid AL_APIENTRY alSourcePause(ALuint source)
{
alSourcePausev(1, &source);
}
AL_API ALvoid AL_APIENTRY alSourcePausev(ALsizei n, const ALuint *sources)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(n < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Pausing %d sources", n);
if(n == 0) return;
for(ALsizei i{0};i < n;i++)
{
if(!LookupSource(context.get(), sources[i]))
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", sources[i]);
}
ALCdevice *device{context->Device};
ALCdevice_Lock(device);
for(ALsizei i{0};i < n;i++)
{
ALsource *source{LookupSource(context.get(), sources[i])};
ALvoice *voice{GetSourceVoice(source, context.get())};
if(voice) voice->Playing.store(false, std::memory_order_release);
if(GetSourceState(source, voice) == AL_PLAYING)
{
source->state = AL_PAUSED;
SendStateChangeEvent(context.get(), source->id, AL_PAUSED);
}
}
ALCdevice_Unlock(device);
}
AL_API ALvoid AL_APIENTRY alSourceStop(ALuint source)
{
alSourceStopv(1, &source);
}
AL_API ALvoid AL_APIENTRY alSourceStopv(ALsizei n, const ALuint *sources)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(n < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Stopping %d sources", n);
if(n == 0) return;
for(ALsizei i{0};i < n;i++)
{
if(!LookupSource(context.get(), sources[i]))
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", sources[i]);
}
ALCdevice *device{context->Device};
ALCdevice_Lock(device);
for(ALsizei i{0};i < n;i++)
{
ALsource *source{LookupSource(context.get(), sources[i])};
ALvoice *voice{GetSourceVoice(source, context.get())};
if(voice != nullptr)
{
voice->Source.store(nullptr, std::memory_order_relaxed);
voice->Playing.store(false, std::memory_order_release);
voice = nullptr;
}
ALenum oldstate{GetSourceState(source, voice)};
if(oldstate != AL_INITIAL && oldstate != AL_STOPPED)
{
source->state = AL_STOPPED;
SendStateChangeEvent(context.get(), source->id, AL_STOPPED);
}
source->OffsetType = AL_NONE;
source->Offset = 0.0;
}
ALCdevice_Unlock(device);
}
AL_API ALvoid AL_APIENTRY alSourceRewind(ALuint source)
{
alSourceRewindv(1, &source);
}
AL_API ALvoid AL_APIENTRY alSourceRewindv(ALsizei n, const ALuint *sources)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(n < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Rewinding %d sources", n);
if(n == 0) return;
for(ALsizei i{0};i < n;i++)
{
if(!LookupSource(context.get(), sources[i]))
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", sources[i]);
}
ALCdevice *device{context->Device};
ALCdevice_Lock(device);
for(ALsizei i{0};i < n;i++)
{
ALsource *source{LookupSource(context.get(), sources[i])};
ALvoice *voice{GetSourceVoice(source, context.get())};
if(voice != nullptr)
{
voice->Source.store(nullptr, std::memory_order_relaxed);
voice->Playing.store(false, std::memory_order_release);
voice = nullptr;
}
if(GetSourceState(source, voice) != AL_INITIAL)
{
source->state = AL_INITIAL;
SendStateChangeEvent(context.get(), source->id, AL_INITIAL);
}
source->OffsetType = AL_NONE;
source->Offset = 0.0;
}
ALCdevice_Unlock(device);
}
AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALuint *buffers)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(nb < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Queueing %d buffers", nb);
if(nb == 0) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *source{LookupSource(context.get(),src)};
if(!source)
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", src);
/* Can't queue on a Static Source */
if(source->SourceType == AL_STATIC)
SETERR_RETURN(context.get(), AL_INVALID_OPERATION,, "Queueing onto static source %u", src);
/* Check for a valid Buffer, for its frequency and format */
ALCdevice *device{context->Device};
ALbuffer *BufferFmt{nullptr};
ALbufferlistitem *BufferList{source->queue};
while(BufferList)
{
for(ALsizei i{0};i < BufferList->num_buffers;i++)
{
if((BufferFmt=BufferList->buffers[i]) != nullptr)
break;
}
if(BufferFmt) break;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
std::unique_lock<almtx_t> buflock{device->BufferLock};
ALbufferlistitem *BufferListStart{nullptr};
BufferList = nullptr;
for(ALsizei i{0};i < nb;i++)
{
ALbuffer *buffer{nullptr};
if(buffers[i] && (buffer=LookupBuffer(device, buffers[i])) == nullptr)
{
alSetError(context.get(), AL_INVALID_NAME, "Queueing invalid buffer ID %u",
buffers[i]);
goto buffer_error;
}
if(!BufferListStart)
{
BufferListStart = static_cast<ALbufferlistitem*>(al_calloc(DEF_ALIGN,
FAM_SIZE(ALbufferlistitem, buffers, 1)));
BufferList = BufferListStart;
}
else
{
auto item = static_cast<ALbufferlistitem*>(al_calloc(DEF_ALIGN,
FAM_SIZE(ALbufferlistitem, buffers, 1)));
BufferList->next.store(item, std::memory_order_relaxed);
BufferList = item;
}
ATOMIC_INIT(&BufferList->next, static_cast<ALbufferlistitem*>(nullptr));
BufferList->max_samples = buffer ? buffer->SampleLen : 0;
BufferList->num_buffers = 1;
BufferList->buffers[0] = buffer;
if(!buffer) continue;
IncrementRef(&buffer->ref);
if(buffer->MappedAccess != 0 && !(buffer->MappedAccess&AL_MAP_PERSISTENT_BIT_SOFT))
{
alSetError(context.get(), AL_INVALID_OPERATION,
"Queueing non-persistently mapped buffer %u", buffer->id);
goto buffer_error;
}
if(BufferFmt == nullptr)
BufferFmt = buffer;
else if(BufferFmt->Frequency != buffer->Frequency ||
BufferFmt->FmtChannels != buffer->FmtChannels ||
BufferFmt->OriginalType != buffer->OriginalType)
{
alSetError(context.get(), AL_INVALID_OPERATION,
"Queueing buffer with mismatched format");
buffer_error:
/* A buffer failed (invalid ID or format), so unlock and release
* each buffer we had. */
while(BufferListStart)
{
ALbufferlistitem *next = BufferListStart->next.load(std::memory_order_relaxed);
for(i = 0;i < BufferListStart->num_buffers;i++)
{
if((buffer=BufferListStart->buffers[i]) != nullptr)
DecrementRef(&buffer->ref);
}
al_free(BufferListStart);
BufferListStart = next;
}
return;
}
}
/* All buffers good. */
buflock.unlock();
/* Source is now streaming */
source->SourceType = AL_STREAMING;
if(!(BufferList=source->queue))
source->queue = BufferListStart;
else
{
ALbufferlistitem *next;
while((next=BufferList->next.load(std::memory_order_relaxed)) != nullptr)
BufferList = next;
BufferList->next.store(BufferListStart, std::memory_order_release);
}
}
AL_API void AL_APIENTRY alSourceQueueBufferLayersSOFT(ALuint src, ALsizei nb, const ALuint *buffers)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(nb < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Queueing %d buffer layers", nb);
if(nb == 0) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *source{LookupSource(context.get(),src)};
if(!source)
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", src);
/* Can't queue on a Static Source */
if(source->SourceType == AL_STATIC)
SETERR_RETURN(context.get(), AL_INVALID_OPERATION,, "Queueing onto static source %u", src);
/* Check for a valid Buffer, for its frequency and format */
ALCdevice *device{context->Device};
ALbuffer *BufferFmt{nullptr};
ALbufferlistitem *BufferList{source->queue};
while(BufferList)
{
for(ALsizei i{0};i < BufferList->num_buffers;i++)
{
if((BufferFmt=BufferList->buffers[i]) != nullptr)
break;
}
if(BufferFmt) break;
BufferList = BufferList->next.load(std::memory_order_relaxed);
}
std::unique_lock<almtx_t> buflock{device->BufferLock};
auto BufferListStart = static_cast<ALbufferlistitem*>(al_calloc(DEF_ALIGN,
FAM_SIZE(ALbufferlistitem, buffers, nb)));
BufferList = BufferListStart;
ATOMIC_INIT(&BufferList->next, static_cast<ALbufferlistitem*>(nullptr));
BufferList->max_samples = 0;
BufferList->num_buffers = 0;
for(ALsizei i{0};i < nb;i++)
{
ALbuffer *buffer{nullptr};
if(buffers[i] && (buffer=LookupBuffer(device, buffers[i])) == nullptr)
{
alSetError(context.get(), AL_INVALID_NAME, "Queueing invalid buffer ID %u",
buffers[i]);
goto buffer_error;
}
BufferList->buffers[BufferList->num_buffers++] = buffer;
if(!buffer) continue;
IncrementRef(&buffer->ref);
BufferList->max_samples = maxi(BufferList->max_samples, buffer->SampleLen);
if(buffer->MappedAccess != 0 && !(buffer->MappedAccess&AL_MAP_PERSISTENT_BIT_SOFT))
{
alSetError(context.get(), AL_INVALID_OPERATION,
"Queueing non-persistently mapped buffer %u", buffer->id);
goto buffer_error;
}
if(BufferFmt == nullptr)
BufferFmt = buffer;
else if(BufferFmt->Frequency != buffer->Frequency ||
BufferFmt->FmtChannels != buffer->FmtChannels ||
BufferFmt->OriginalType != buffer->OriginalType)
{
alSetError(context.get(), AL_INVALID_OPERATION,
"Queueing buffer with mismatched format");
buffer_error:
/* A buffer failed (invalid ID or format), so unlock and release
* each buffer we had. */
while(BufferListStart)
{
ALbufferlistitem *next{BufferListStart->next.load(std::memory_order_relaxed)};
for(i = 0;i < BufferListStart->num_buffers;i++)
{
if((buffer=BufferListStart->buffers[i]) != nullptr)
DecrementRef(&buffer->ref);
}
al_free(BufferListStart);
BufferListStart = next;
}
return;
}
}
/* All buffers good. */
buflock.unlock();
/* Source is now streaming */
source->SourceType = AL_STREAMING;
if(!(BufferList=source->queue))
source->queue = BufferListStart;
else
{
ALbufferlistitem *next;
while((next=BufferList->next.load(std::memory_order_relaxed)) != nullptr)
BufferList = next;
BufferList->next.store(BufferListStart, std::memory_order_release);
}
}
AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint *buffers)
{
ContextRef context{GetContextRef()};
if(UNLIKELY(!context)) return;
if(nb < 0)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Unqueueing %d buffers", nb);
if(nb == 0) return;
std::lock_guard<almtx_t> _{context->SourceLock};
ALsource *source{LookupSource(context.get(),src)};
if(!source)
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid source ID %u", src);
if(source->Looping)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Unqueueing from looping source %u", src);
if(source->SourceType != AL_STREAMING)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,,
"Unqueueing from a non-streaming source %u", src);
/* Make sure enough buffers have been processed to unqueue. */
ALbufferlistitem *BufferList{source->queue};
ALvoice *voice{GetSourceVoice(source, context.get())};
ALbufferlistitem *Current{nullptr};
if(voice)
Current = voice->current_buffer.load(std::memory_order_relaxed);
else if(source->state == AL_INITIAL)
Current = BufferList;
if(BufferList == Current)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Unqueueing pending buffers");
ALsizei i{BufferList->num_buffers};
while(i < nb)
{
/* If the next bufferlist to check is NULL or is the current one, it's
* trying to unqueue pending buffers.
*/
ALbufferlistitem *next{BufferList->next.load(std::memory_order_relaxed)};
if(!next || next == Current)
SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Unqueueing pending buffers");
BufferList = next;
i += BufferList->num_buffers;
}
while(nb > 0)
{
ALbufferlistitem *head{source->queue};
ALbufferlistitem *next{head->next.load(std::memory_order_relaxed)};
for(i = 0;i < head->num_buffers && nb > 0;i++,nb--)
{
ALbuffer *buffer{head->buffers[i]};
if(!buffer)
*(buffers++) = 0;
else
{
*(buffers++) = buffer->id;
DecrementRef(&buffer->ref);
}
}
if(i < head->num_buffers)
{
/* This head has some buffers left over, so move them to the front
* and update the sample and buffer count.
*/
ALsizei max_length{0};
ALsizei j{0};
while(i < head->num_buffers)
{
ALbuffer *buffer{head->buffers[i++]};
if(buffer) max_length = maxi(max_length, buffer->SampleLen);
head->buffers[j++] = buffer;
}
head->max_samples = max_length;
head->num_buffers = j;
break;
}
/* Otherwise, free this item and set the source queue head to the next
* one.
*/
al_free(head);
source->queue = next;
}
}
ALsource::ALsource(ALsizei num_sends)
{
InnerAngle = 360.0f;
OuterAngle = 360.0f;
Pitch = 1.0f;
Position[0] = 0.0f;
Position[1] = 0.0f;
Position[2] = 0.0f;
Velocity[0] = 0.0f;
Velocity[1] = 0.0f;
Velocity[2] = 0.0f;
Direction[0] = 0.0f;
Direction[1] = 0.0f;
Direction[2] = 0.0f;
Orientation[0][0] = 0.0f;
Orientation[0][1] = 0.0f;
Orientation[0][2] = -1.0f;
Orientation[1][0] = 0.0f;
Orientation[1][1] = 1.0f;
Orientation[1][2] = 0.0f;
RefDistance = 1.0f;
MaxDistance = FLT_MAX;
RolloffFactor = 1.0f;
Gain = 1.0f;
MinGain = 0.0f;
MaxGain = 1.0f;
OuterGain = 0.0f;
OuterGainHF = 1.0f;
DryGainHFAuto = AL_TRUE;
WetGainAuto = AL_TRUE;
WetGainHFAuto = AL_TRUE;
AirAbsorptionFactor = 0.0f;
RoomRolloffFactor = 0.0f;
DopplerFactor = 1.0f;
HeadRelative = AL_FALSE;
Looping = AL_FALSE;
mDistanceModel = DistanceModel::Default;
Resampler = ResamplerDefault;
DirectChannels = AL_FALSE;
Spatialize = SpatializeAuto;
StereoPan[0] = DEG2RAD( 30.0f);
StereoPan[1] = DEG2RAD(-30.0f);
Radius = 0.0f;
Direct.Gain = 1.0f;
Direct.GainHF = 1.0f;
Direct.HFReference = LOWPASSFREQREF;
Direct.GainLF = 1.0f;
Direct.LFReference = HIGHPASSFREQREF;
Send.resize(num_sends);
for(auto &send : Send)
{
send.Slot = nullptr;
send.Gain = 1.0f;
send.GainHF = 1.0f;
send.HFReference = LOWPASSFREQREF;
send.GainLF = 1.0f;
send.LFReference = HIGHPASSFREQREF;
}
Offset = 0.0;
OffsetType = AL_NONE;
SourceType = AL_UNDETERMINED;
state = AL_INITIAL;
queue = nullptr;
VoiceIdx = -1;
}
ALsource::~ALsource()
{
ALbufferlistitem *BufferList{queue};
while(BufferList != nullptr)
{
ALbufferlistitem *next{BufferList->next.load(std::memory_order_relaxed)};
for(ALsizei i{0};i < BufferList->num_buffers;i++)
{
if(BufferList->buffers[i])
DecrementRef(&BufferList->buffers[i]->ref);
}
al_free(BufferList);
BufferList = next;
}
queue = nullptr;
std::for_each(Send.begin(), Send.end(),
[](ALsource::SendData &send) -> void
{
if(send.Slot)
DecrementRef(&send.Slot->ref);
send.Slot = nullptr;
}
);
}
void UpdateAllSourceProps(ALCcontext *context)
{
auto voices_end = context->Voices + context->VoiceCount.load(std::memory_order_relaxed);
std::for_each(context->Voices, voices_end,
[context](ALvoice *voice) -> void
{
ALsource *source{voice->Source.load(std::memory_order_acquire)};
if(source && !source->PropsClean.test_and_set(std::memory_order_acq_rel))
UpdateSourceProps(source, voice, context);
}
);
}
/* ReleaseALSources
*
* Destroys all sources in the source map.
*/
ALvoid ReleaseALSources(ALCcontext *context)
{
size_t leftover = 0;
for(auto &sublist : context->SourceList)
{
ALuint64 usemask = ~sublist.FreeMask;
while(usemask)
{
ALsizei idx{CTZ64(usemask)};
ALsource *source{sublist.Sources + idx};
source->~ALsource();
++leftover;
usemask &= ~(U64(1) << idx);
}
sublist.FreeMask = ~usemask;
}
if(leftover > 0)
WARN("(%p) Deleted " SZFMT " Source%s\n", context, leftover, (leftover==1)?"":"s");
}
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