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axmol/thirdparty/openal/al/buffer.cpp

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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 "buffer.h"
#include <algorithm>
#include <array>
#include <atomic>
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <iterator>
#include <limits>
#include <memory>
#include <mutex>
#include <new>
#include <numeric>
#include <stdexcept>
#include <utility>
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "albit.h"
#include "albyte.h"
#include "alc/context.h"
#include "alc/device.h"
#include "alc/inprogext.h"
#include "almalloc.h"
#include "alnumeric.h"
#include "aloptional.h"
#include "atomic.h"
#include "core/except.h"
#include "core/logging.h"
#include "core/voice.h"
#include "opthelpers.h"
#ifdef ALSOFT_EAX
#include "eax/globals.h"
#include "eax/x_ram.h"
#endif // ALSOFT_EAX
namespace {
al::optional<AmbiLayout> AmbiLayoutFromEnum(ALenum layout)
{
switch(layout)
{
case AL_FUMA_SOFT: return AmbiLayout::FuMa;
case AL_ACN_SOFT: return AmbiLayout::ACN;
}
return al::nullopt;
}
ALenum EnumFromAmbiLayout(AmbiLayout layout)
{
switch(layout)
{
case AmbiLayout::FuMa: return AL_FUMA_SOFT;
case AmbiLayout::ACN: return AL_ACN_SOFT;
}
throw std::runtime_error{"Invalid AmbiLayout: "+std::to_string(int(layout))};
}
al::optional<AmbiScaling> AmbiScalingFromEnum(ALenum scale)
{
switch(scale)
{
case AL_FUMA_SOFT: return AmbiScaling::FuMa;
case AL_SN3D_SOFT: return AmbiScaling::SN3D;
case AL_N3D_SOFT: return AmbiScaling::N3D;
}
return al::nullopt;
}
ALenum EnumFromAmbiScaling(AmbiScaling scale)
{
switch(scale)
{
case AmbiScaling::FuMa: return AL_FUMA_SOFT;
case AmbiScaling::SN3D: return AL_SN3D_SOFT;
case AmbiScaling::N3D: return AL_N3D_SOFT;
case AmbiScaling::UHJ: break;
}
throw std::runtime_error{"Invalid AmbiScaling: "+std::to_string(int(scale))};
}
#ifdef ALSOFT_EAX
al::optional<EaxStorage> EaxStorageFromEnum(ALenum scale)
{
switch(scale)
{
case AL_STORAGE_AUTOMATIC: return EaxStorage::Automatic;
case AL_STORAGE_ACCESSIBLE: return EaxStorage::Accessible;
case AL_STORAGE_HARDWARE: return EaxStorage::Hardware;
}
return al::nullopt;
}
ALenum EnumFromEaxStorage(EaxStorage storage)
{
switch(storage)
{
case EaxStorage::Automatic: return AL_STORAGE_AUTOMATIC;
case EaxStorage::Accessible: return AL_STORAGE_ACCESSIBLE;
case EaxStorage::Hardware: return AL_STORAGE_HARDWARE;
}
throw std::runtime_error{"Invalid EaxStorage: "+std::to_string(int(storage))};
}
bool eax_x_ram_check_availability(const ALCdevice &device, const ALbuffer &buffer,
const ALuint newsize) noexcept
{
ALuint freemem{device.eax_x_ram_free_size};
/* If the buffer is currently in "hardware", add its memory to the free
* pool since it'll be "replaced".
*/
if(buffer.eax_x_ram_is_hardware)
freemem += buffer.OriginalSize;
return freemem >= newsize;
}
void eax_x_ram_apply(ALCdevice &device, ALbuffer &buffer) noexcept
{
if(buffer.eax_x_ram_is_hardware)
return;
if(device.eax_x_ram_free_size >= buffer.OriginalSize)
{
device.eax_x_ram_free_size -= buffer.OriginalSize;
buffer.eax_x_ram_is_hardware = true;
}
}
void eax_x_ram_clear(ALCdevice& al_device, ALbuffer& al_buffer)
{
if(al_buffer.eax_x_ram_is_hardware)
al_device.eax_x_ram_free_size += al_buffer.OriginalSize;
al_buffer.eax_x_ram_is_hardware = false;
}
#endif // ALSOFT_EAX
constexpr ALbitfieldSOFT INVALID_STORAGE_MASK{~unsigned(AL_MAP_READ_BIT_SOFT |
AL_MAP_WRITE_BIT_SOFT | AL_MAP_PERSISTENT_BIT_SOFT | AL_PRESERVE_DATA_BIT_SOFT)};
constexpr ALbitfieldSOFT MAP_READ_WRITE_FLAGS{AL_MAP_READ_BIT_SOFT | AL_MAP_WRITE_BIT_SOFT};
constexpr ALbitfieldSOFT INVALID_MAP_FLAGS{~unsigned(AL_MAP_READ_BIT_SOFT | AL_MAP_WRITE_BIT_SOFT |
AL_MAP_PERSISTENT_BIT_SOFT)};
bool EnsureBuffers(ALCdevice *device, size_t needed)
{
size_t count{std::accumulate(device->BufferList.cbegin(), device->BufferList.cend(), size_t{0},
[](size_t cur, const BufferSubList &sublist) noexcept -> size_t
{ return cur + static_cast<ALuint>(al::popcount(sublist.FreeMask)); })};
while(needed > count)
{
if(device->BufferList.size() >= 1<<25) UNLIKELY
return false;
device->BufferList.emplace_back();
auto sublist = device->BufferList.end() - 1;
sublist->FreeMask = ~0_u64;
sublist->Buffers = static_cast<ALbuffer*>(al_calloc(alignof(ALbuffer), sizeof(ALbuffer)*64));
if(!sublist->Buffers) UNLIKELY
{
device->BufferList.pop_back();
return false;
}
count += 64;
}
return true;
}
ALbuffer *AllocBuffer(ALCdevice *device)
{
auto sublist = std::find_if(device->BufferList.begin(), device->BufferList.end(),
[](const BufferSubList &entry) noexcept -> bool
{ return entry.FreeMask != 0; });
auto lidx = static_cast<ALuint>(std::distance(device->BufferList.begin(), sublist));
auto slidx = static_cast<ALuint>(al::countr_zero(sublist->FreeMask));
ASSUME(slidx < 64);
ALbuffer *buffer{al::construct_at(sublist->Buffers + slidx)};
/* Add 1 to avoid buffer ID 0. */
buffer->id = ((lidx<<6) | slidx) + 1;
sublist->FreeMask &= ~(1_u64 << slidx);
return buffer;
}
void FreeBuffer(ALCdevice *device, ALbuffer *buffer)
{
#ifdef ALSOFT_EAX
eax_x_ram_clear(*device, *buffer);
#endif // ALSOFT_EAX
const ALuint id{buffer->id - 1};
const size_t lidx{id >> 6};
const ALuint slidx{id & 0x3f};
al::destroy_at(buffer);
device->BufferList[lidx].FreeMask |= 1_u64 << slidx;
}
inline ALbuffer *LookupBuffer(ALCdevice *device, ALuint id)
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if(lidx >= device->BufferList.size()) UNLIKELY
return nullptr;
BufferSubList &sublist = device->BufferList[lidx];
if(sublist.FreeMask & (1_u64 << slidx)) UNLIKELY
return nullptr;
return sublist.Buffers + slidx;
}
ALuint SanitizeAlignment(FmtType type, ALuint align)
{
if(align == 0)
{
if(type == FmtIMA4)
{
/* Here is where things vary:
* nVidia and Apple use 64+1 sample frames per block -> block_size=36 bytes per channel
* Most PC sound software uses 2040+1 sample frames per block -> block_size=1024 bytes per channel
*/
return 65;
}
if(type == FmtMSADPCM)
return 64;
return 1;
}
if(type == FmtIMA4)
{
/* IMA4 block alignment must be a multiple of 8, plus 1. */
if((align&7) == 1) return static_cast<ALuint>(align);
return 0;
}
if(type == FmtMSADPCM)
{
/* MSADPCM block alignment must be a multiple of 2. */
if((align&1) == 0) return static_cast<ALuint>(align);
return 0;
}
return static_cast<ALuint>(align);
}
/** Loads the specified data into the buffer, using the specified format. */
void LoadData(ALCcontext *context, ALbuffer *ALBuf, ALsizei freq, ALuint size,
const FmtChannels DstChannels, const FmtType DstType, const al::byte *SrcData,
ALbitfieldSOFT access)
{
if(ReadRef(ALBuf->ref) != 0 || ALBuf->MappedAccess != 0) UNLIKELY
return context->setError(AL_INVALID_OPERATION, "Modifying storage for in-use buffer %u",
ALBuf->id);
const ALuint unpackalign{ALBuf->UnpackAlign};
const ALuint align{SanitizeAlignment(DstType, unpackalign)};
if(align < 1) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Invalid unpack alignment %u for %s samples",
unpackalign, NameFromFormat(DstType));
const ALuint ambiorder{IsBFormat(DstChannels) ? ALBuf->UnpackAmbiOrder :
(IsUHJ(DstChannels) ? 1 : 0)};
if((access&AL_PRESERVE_DATA_BIT_SOFT))
{
/* Can only preserve data with the same format and alignment. */
if(ALBuf->mChannels != DstChannels || ALBuf->mType != DstType) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Preserving data of mismatched format");
if(ALBuf->mBlockAlign != align) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Preserving data of mismatched alignment");
if(ALBuf->mAmbiOrder != ambiorder) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Preserving data of mismatched order");
}
/* Convert the size in bytes to blocks using the unpack block alignment. */
const ALuint NumChannels{ChannelsFromFmt(DstChannels, ambiorder)};
const ALuint BlockSize{NumChannels *
((DstType == FmtIMA4) ? (align-1)/2 + 4 :
(DstType == FmtMSADPCM) ? (align-2)/2 + 7 :
(align * BytesFromFmt(DstType)))};
if((size%BlockSize) != 0) UNLIKELY
return context->setError(AL_INVALID_VALUE,
"Data size %d is not a multiple of frame size %d (%d unpack alignment)",
size, BlockSize, align);
const ALuint blocks{size / BlockSize};
if(blocks > std::numeric_limits<ALsizei>::max()/align) UNLIKELY
return context->setError(AL_OUT_OF_MEMORY,
"Buffer size overflow, %d blocks x %d samples per block", blocks, align);
if(blocks > std::numeric_limits<size_t>::max()/BlockSize) UNLIKELY
return context->setError(AL_OUT_OF_MEMORY,
"Buffer size overflow, %d frames x %d bytes per frame", blocks, BlockSize);
const size_t newsize{static_cast<size_t>(blocks) * BlockSize};
#ifdef ALSOFT_EAX
if(ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
{
ALCdevice &device = *context->mALDevice;
if(!eax_x_ram_check_availability(device, *ALBuf, size))
return context->setError(AL_OUT_OF_MEMORY,
"Out of X-RAM memory (avail: %u, needed: %u)", device.eax_x_ram_free_size, size);
}
#endif
/* This could reallocate only when increasing the size or the new size is
* less than half the current, but then the buffer's AL_SIZE would not be
* very reliable for accounting buffer memory usage, and reporting the real
* size could cause problems for apps that use AL_SIZE to try to get the
* buffer's play length.
*/
if(newsize != ALBuf->mDataStorage.size())
{
auto newdata = al::vector<al::byte,16>(newsize, al::byte{});
if((access&AL_PRESERVE_DATA_BIT_SOFT))
{
const size_t tocopy{minz(newdata.size(), ALBuf->mDataStorage.size())};
std::copy_n(ALBuf->mDataStorage.begin(), tocopy, newdata.begin());
}
newdata.swap(ALBuf->mDataStorage);
}
ALBuf->mData = ALBuf->mDataStorage;
#ifdef ALSOFT_EAX
eax_x_ram_clear(*context->mALDevice, *ALBuf);
#endif
if(SrcData != nullptr && !ALBuf->mData.empty())
std::copy_n(SrcData, blocks*BlockSize, ALBuf->mData.begin());
ALBuf->mBlockAlign = (DstType == FmtIMA4 || DstType == FmtMSADPCM) ? align : 1;
ALBuf->OriginalSize = size;
ALBuf->Access = access;
ALBuf->mSampleRate = static_cast<ALuint>(freq);
ALBuf->mChannels = DstChannels;
ALBuf->mType = DstType;
ALBuf->mAmbiOrder = ambiorder;
ALBuf->mCallback = nullptr;
ALBuf->mUserData = nullptr;
ALBuf->mSampleLen = blocks * align;
ALBuf->mLoopStart = 0;
ALBuf->mLoopEnd = ALBuf->mSampleLen;
#ifdef ALSOFT_EAX
if(eax_g_is_enabled && ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
eax_x_ram_apply(*context->mALDevice, *ALBuf);
#endif
}
/** Prepares the buffer to use the specified callback, using the specified format. */
void PrepareCallback(ALCcontext *context, ALbuffer *ALBuf, ALsizei freq,
const FmtChannels DstChannels, const FmtType DstType, ALBUFFERCALLBACKTYPESOFT callback,
void *userptr)
{
if(ReadRef(ALBuf->ref) != 0 || ALBuf->MappedAccess != 0) UNLIKELY
return context->setError(AL_INVALID_OPERATION, "Modifying callback for in-use buffer %u",
ALBuf->id);
const ALuint ambiorder{IsBFormat(DstChannels) ? ALBuf->UnpackAmbiOrder :
(IsUHJ(DstChannels) ? 1 : 0)};
const ALuint unpackalign{ALBuf->UnpackAlign};
const ALuint align{SanitizeAlignment(DstType, unpackalign)};
const ALuint BlockSize{ChannelsFromFmt(DstChannels, ambiorder) *
((DstType == FmtIMA4) ? (align-1)/2 + 4 :
(DstType == FmtMSADPCM) ? (align-2)/2 + 7 :
(align * BytesFromFmt(DstType)))};
/* The maximum number of samples a callback buffer may need to store is a
* full mixing line * max pitch * channel count, since it may need to hold
* a full line's worth of sample frames before downsampling. An additional
* MaxResamplerEdge is needed for "future" samples during resampling (the
* voice will hold a history for the past samples).
*/
static constexpr size_t line_size{DeviceBase::MixerLineSize*MaxPitch + MaxResamplerEdge};
const size_t line_blocks{(line_size + align-1) / align};
using BufferVectorType = decltype(ALBuf->mDataStorage);
BufferVectorType(line_blocks*BlockSize).swap(ALBuf->mDataStorage);
ALBuf->mData = ALBuf->mDataStorage;
#ifdef ALSOFT_EAX
eax_x_ram_clear(*context->mALDevice, *ALBuf);
#endif
ALBuf->mCallback = callback;
ALBuf->mUserData = userptr;
ALBuf->OriginalSize = 0;
ALBuf->Access = 0;
ALBuf->mBlockAlign = (DstType == FmtIMA4 || DstType == FmtMSADPCM) ? align : 1;
ALBuf->mSampleRate = static_cast<ALuint>(freq);
ALBuf->mChannels = DstChannels;
ALBuf->mType = DstType;
ALBuf->mAmbiOrder = ambiorder;
ALBuf->mSampleLen = 0;
ALBuf->mLoopStart = 0;
ALBuf->mLoopEnd = ALBuf->mSampleLen;
}
/** Prepares the buffer to use caller-specified storage. */
void PrepareUserPtr(ALCcontext *context, ALbuffer *ALBuf, ALsizei freq,
const FmtChannels DstChannels, const FmtType DstType, al::byte *sdata, const ALuint sdatalen)
{
if(ReadRef(ALBuf->ref) != 0 || ALBuf->MappedAccess != 0) UNLIKELY
return context->setError(AL_INVALID_OPERATION, "Modifying storage for in-use buffer %u",
ALBuf->id);
const ALuint unpackalign{ALBuf->UnpackAlign};
const ALuint align{SanitizeAlignment(DstType, unpackalign)};
if(align < 1) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Invalid unpack alignment %u for %s samples",
unpackalign, NameFromFormat(DstType));
auto get_type_alignment = [](const FmtType type) noexcept -> ALuint
{
/* NOTE: This only needs to be the required alignment for the CPU to
* read/write the given sample type in the mixer.
*/
switch(type)
{
case FmtUByte: return alignof(ALubyte);
case FmtShort: return alignof(ALshort);
case FmtFloat: return alignof(ALfloat);
case FmtDouble: return alignof(ALdouble);
case FmtMulaw: return alignof(ALubyte);
case FmtAlaw: return alignof(ALubyte);
case FmtIMA4: break;
case FmtMSADPCM: break;
}
return 1;
};
const auto typealign = get_type_alignment(DstType);
if((reinterpret_cast<uintptr_t>(sdata) & (typealign-1)) != 0)
return context->setError(AL_INVALID_VALUE, "Pointer %p is misaligned for %s samples (%u)",
static_cast<void*>(sdata), NameFromFormat(DstType), typealign);
const ALuint ambiorder{IsBFormat(DstChannels) ? ALBuf->UnpackAmbiOrder :
(IsUHJ(DstChannels) ? 1 : 0)};
/* Convert the size in bytes to blocks using the unpack block alignment. */
const ALuint NumChannels{ChannelsFromFmt(DstChannels, ambiorder)};
const ALuint BlockSize{NumChannels *
((DstType == FmtIMA4) ? (align-1)/2 + 4 :
(DstType == FmtMSADPCM) ? (align-2)/2 + 7 :
(align * BytesFromFmt(DstType)))};
if((sdatalen%BlockSize) != 0) UNLIKELY
return context->setError(AL_INVALID_VALUE,
"Data size %u is not a multiple of frame size %u (%u unpack alignment)",
sdatalen, BlockSize, align);
const ALuint blocks{sdatalen / BlockSize};
if(blocks > std::numeric_limits<ALsizei>::max()/align) UNLIKELY
return context->setError(AL_OUT_OF_MEMORY,
"Buffer size overflow, %d blocks x %d samples per block", blocks, align);
if(blocks > std::numeric_limits<size_t>::max()/BlockSize) UNLIKELY
return context->setError(AL_OUT_OF_MEMORY,
"Buffer size overflow, %d frames x %d bytes per frame", blocks, BlockSize);
#ifdef ALSOFT_EAX
if(ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
{
ALCdevice &device = *context->mALDevice;
if(!eax_x_ram_check_availability(device, *ALBuf, sdatalen))
return context->setError(AL_OUT_OF_MEMORY,
"Out of X-RAM memory (avail: %u, needed: %u)", device.eax_x_ram_free_size,
sdatalen);
}
#endif
decltype(ALBuf->mDataStorage){}.swap(ALBuf->mDataStorage);
ALBuf->mData = {static_cast<al::byte*>(sdata), sdatalen};
#ifdef ALSOFT_EAX
eax_x_ram_clear(*context->mALDevice, *ALBuf);
#endif
ALBuf->mCallback = nullptr;
ALBuf->mUserData = nullptr;
ALBuf->OriginalSize = sdatalen;
ALBuf->Access = 0;
ALBuf->mBlockAlign = (DstType == FmtIMA4 || DstType == FmtMSADPCM) ? align : 1;
ALBuf->mSampleRate = static_cast<ALuint>(freq);
ALBuf->mChannels = DstChannels;
ALBuf->mType = DstType;
ALBuf->mAmbiOrder = ambiorder;
ALBuf->mSampleLen = blocks * align;
ALBuf->mLoopStart = 0;
ALBuf->mLoopEnd = ALBuf->mSampleLen;
#ifdef ALSOFT_EAX
if(ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
eax_x_ram_apply(*context->mALDevice, *ALBuf);
#endif
}
struct DecompResult { FmtChannels channels; FmtType type; };
al::optional<DecompResult> DecomposeUserFormat(ALenum format)
{
struct FormatMap {
ALenum format;
FmtChannels channels;
FmtType type;
};
static const std::array<FormatMap,63> UserFmtList{{
{ AL_FORMAT_MONO8, FmtMono, FmtUByte },
{ AL_FORMAT_MONO16, FmtMono, FmtShort },
{ AL_FORMAT_MONO_FLOAT32, FmtMono, FmtFloat },
{ AL_FORMAT_MONO_DOUBLE_EXT, FmtMono, FmtDouble },
{ AL_FORMAT_MONO_IMA4, FmtMono, FmtIMA4 },
{ AL_FORMAT_MONO_MSADPCM_SOFT, FmtMono, FmtMSADPCM },
{ AL_FORMAT_MONO_MULAW, FmtMono, FmtMulaw },
{ AL_FORMAT_MONO_ALAW_EXT, FmtMono, FmtAlaw },
{ AL_FORMAT_STEREO8, FmtStereo, FmtUByte },
{ AL_FORMAT_STEREO16, FmtStereo, FmtShort },
{ AL_FORMAT_STEREO_FLOAT32, FmtStereo, FmtFloat },
{ AL_FORMAT_STEREO_DOUBLE_EXT, FmtStereo, FmtDouble },
{ AL_FORMAT_STEREO_IMA4, FmtStereo, FmtIMA4 },
{ AL_FORMAT_STEREO_MSADPCM_SOFT, FmtStereo, FmtMSADPCM },
{ AL_FORMAT_STEREO_MULAW, FmtStereo, FmtMulaw },
{ AL_FORMAT_STEREO_ALAW_EXT, FmtStereo, FmtAlaw },
{ AL_FORMAT_REAR8, FmtRear, FmtUByte },
{ AL_FORMAT_REAR16, FmtRear, FmtShort },
{ AL_FORMAT_REAR32, FmtRear, FmtFloat },
{ AL_FORMAT_REAR_MULAW, FmtRear, FmtMulaw },
{ AL_FORMAT_QUAD8_LOKI, FmtQuad, FmtUByte },
{ AL_FORMAT_QUAD16_LOKI, FmtQuad, FmtShort },
{ AL_FORMAT_QUAD8, FmtQuad, FmtUByte },
{ AL_FORMAT_QUAD16, FmtQuad, FmtShort },
{ AL_FORMAT_QUAD32, FmtQuad, FmtFloat },
{ AL_FORMAT_QUAD_MULAW, FmtQuad, FmtMulaw },
{ AL_FORMAT_51CHN8, FmtX51, FmtUByte },
{ AL_FORMAT_51CHN16, FmtX51, FmtShort },
{ AL_FORMAT_51CHN32, FmtX51, FmtFloat },
{ AL_FORMAT_51CHN_MULAW, FmtX51, FmtMulaw },
{ AL_FORMAT_61CHN8, FmtX61, FmtUByte },
{ AL_FORMAT_61CHN16, FmtX61, FmtShort },
{ AL_FORMAT_61CHN32, FmtX61, FmtFloat },
{ AL_FORMAT_61CHN_MULAW, FmtX61, FmtMulaw },
{ AL_FORMAT_71CHN8, FmtX71, FmtUByte },
{ AL_FORMAT_71CHN16, FmtX71, FmtShort },
{ AL_FORMAT_71CHN32, FmtX71, FmtFloat },
{ AL_FORMAT_71CHN_MULAW, FmtX71, FmtMulaw },
{ AL_FORMAT_BFORMAT2D_8, FmtBFormat2D, FmtUByte },
{ AL_FORMAT_BFORMAT2D_16, FmtBFormat2D, FmtShort },
{ AL_FORMAT_BFORMAT2D_FLOAT32, FmtBFormat2D, FmtFloat },
{ AL_FORMAT_BFORMAT2D_MULAW, FmtBFormat2D, FmtMulaw },
{ AL_FORMAT_BFORMAT3D_8, FmtBFormat3D, FmtUByte },
{ AL_FORMAT_BFORMAT3D_16, FmtBFormat3D, FmtShort },
{ AL_FORMAT_BFORMAT3D_FLOAT32, FmtBFormat3D, FmtFloat },
{ AL_FORMAT_BFORMAT3D_MULAW, FmtBFormat3D, FmtMulaw },
{ AL_FORMAT_UHJ2CHN8_SOFT, FmtUHJ2, FmtUByte },
{ AL_FORMAT_UHJ2CHN16_SOFT, FmtUHJ2, FmtShort },
{ AL_FORMAT_UHJ2CHN_FLOAT32_SOFT, FmtUHJ2, FmtFloat },
{ AL_FORMAT_UHJ2CHN_MULAW_SOFT, FmtUHJ2, FmtMulaw },
{ AL_FORMAT_UHJ2CHN_ALAW_SOFT, FmtUHJ2, FmtAlaw },
{ AL_FORMAT_UHJ2CHN_IMA4_SOFT, FmtUHJ2, FmtIMA4 },
{ AL_FORMAT_UHJ2CHN_MSADPCM_SOFT, FmtUHJ2, FmtMSADPCM },
{ AL_FORMAT_UHJ3CHN8_SOFT, FmtUHJ3, FmtUByte },
{ AL_FORMAT_UHJ3CHN16_SOFT, FmtUHJ3, FmtShort },
{ AL_FORMAT_UHJ3CHN_FLOAT32_SOFT, FmtUHJ3, FmtFloat },
{ AL_FORMAT_UHJ3CHN_MULAW_SOFT, FmtUHJ3, FmtMulaw },
{ AL_FORMAT_UHJ3CHN_ALAW_SOFT, FmtUHJ3, FmtAlaw },
{ AL_FORMAT_UHJ4CHN8_SOFT, FmtUHJ4, FmtUByte },
{ AL_FORMAT_UHJ4CHN16_SOFT, FmtUHJ4, FmtShort },
{ AL_FORMAT_UHJ4CHN_FLOAT32_SOFT, FmtUHJ4, FmtFloat },
{ AL_FORMAT_UHJ4CHN_MULAW_SOFT, FmtUHJ4, FmtMulaw },
{ AL_FORMAT_UHJ4CHN_ALAW_SOFT, FmtUHJ4, FmtAlaw },
}};
for(const auto &fmt : UserFmtList)
{
if(fmt.format == format)
return al::make_optional<DecompResult>({fmt.channels, fmt.type});
}
return al::nullopt;
}
} // namespace
AL_API void AL_APIENTRY alGenBuffers(ALsizei n, ALuint *buffers)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
if(n < 0) UNLIKELY
context->setError(AL_INVALID_VALUE, "Generating %d buffers", n);
if(n <= 0) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(!EnsureBuffers(device, static_cast<ALuint>(n)))
{
context->setError(AL_OUT_OF_MEMORY, "Failed to allocate %d buffer%s", n, (n==1)?"":"s");
return;
}
if(n == 1) LIKELY
{
/* Special handling for the easy and normal case. */
ALbuffer *buffer{AllocBuffer(device)};
buffers[0] = buffer->id;
}
else
{
/* Store the allocated buffer IDs in a separate local list, to avoid
* modifying the user storage in case of failure.
*/
al::vector<ALuint> ids;
ids.reserve(static_cast<ALuint>(n));
do {
ALbuffer *buffer{AllocBuffer(device)};
ids.emplace_back(buffer->id);
} while(--n);
std::copy(ids.begin(), ids.end(), buffers);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alDeleteBuffers(ALsizei n, const ALuint *buffers)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
if(n < 0) UNLIKELY
context->setError(AL_INVALID_VALUE, "Deleting %d buffers", n);
if(n <= 0) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
/* First try to find any buffers that are invalid or in-use. */
auto validate_buffer = [device, &context](const ALuint bid) -> bool
{
if(!bid) return true;
ALbuffer *ALBuf{LookupBuffer(device, bid)};
if(!ALBuf) UNLIKELY
{
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", bid);
return false;
}
if(ReadRef(ALBuf->ref) != 0) UNLIKELY
{
context->setError(AL_INVALID_OPERATION, "Deleting in-use buffer %u", bid);
return false;
}
return true;
};
const ALuint *buffers_end = buffers + n;
auto invbuf = std::find_if_not(buffers, buffers_end, validate_buffer);
if(invbuf != buffers_end) UNLIKELY return;
/* All good. Delete non-0 buffer IDs. */
auto delete_buffer = [device](const ALuint bid) -> void
{
ALbuffer *buffer{bid ? LookupBuffer(device, bid) : nullptr};
if(buffer) FreeBuffer(device, buffer);
};
std::for_each(buffers, buffers_end, delete_buffer);
}
END_API_FUNC
AL_API ALboolean AL_APIENTRY alIsBuffer(ALuint buffer)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(context) LIKELY
{
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(!buffer || LookupBuffer(device, buffer))
return AL_TRUE;
}
return AL_FALSE;
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq)
START_API_FUNC
{ alBufferStorageSOFT(buffer, format, data, size, freq, 0); }
END_API_FUNC
AL_API void AL_APIENTRY alBufferStorageSOFT(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq, ALbitfieldSOFT flags)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(size < 0) UNLIKELY
context->setError(AL_INVALID_VALUE, "Negative storage size %d", size);
else if(freq < 1) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid sample rate %d", freq);
else if((flags&INVALID_STORAGE_MASK) != 0) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid storage flags 0x%x",
flags&INVALID_STORAGE_MASK);
else if((flags&AL_MAP_PERSISTENT_BIT_SOFT) && !(flags&MAP_READ_WRITE_FLAGS)) UNLIKELY
context->setError(AL_INVALID_VALUE,
"Declaring persistently mapped storage without read or write access");
else
{
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt) UNLIKELY
context->setError(AL_INVALID_ENUM, "Invalid format 0x%04x", format);
else
{
LoadData(context.get(), albuf, freq, static_cast<ALuint>(size), usrfmt->channels,
usrfmt->type, static_cast<const al::byte*>(data), flags);
}
}
}
END_API_FUNC
void AL_APIENTRY alBufferDataStatic(const ALuint buffer, ALenum format, ALvoid *data, ALsizei size,
ALsizei freq)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
return context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
if(size < 0) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Negative storage size %d", size);
if(freq < 1) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Invalid sample rate %d", freq);
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt) UNLIKELY
return context->setError(AL_INVALID_ENUM, "Invalid format 0x%04x", format);
PrepareUserPtr(context.get(), albuf, freq, usrfmt->channels, usrfmt->type,
static_cast<al::byte*>(data), static_cast<ALuint>(size));
}
END_API_FUNC
AL_API void* AL_APIENTRY alMapBufferSOFT(ALuint buffer, ALsizei offset, ALsizei length, ALbitfieldSOFT access)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return nullptr;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if((access&INVALID_MAP_FLAGS) != 0) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid map flags 0x%x", access&INVALID_MAP_FLAGS);
else if(!(access&MAP_READ_WRITE_FLAGS)) UNLIKELY
context->setError(AL_INVALID_VALUE, "Mapping buffer %u without read or write access",
buffer);
else
{
ALbitfieldSOFT unavailable = (albuf->Access^access) & access;
if(ReadRef(albuf->ref) != 0 && !(access&AL_MAP_PERSISTENT_BIT_SOFT)) UNLIKELY
context->setError(AL_INVALID_OPERATION,
"Mapping in-use buffer %u without persistent mapping", buffer);
else if(albuf->MappedAccess != 0) UNLIKELY
context->setError(AL_INVALID_OPERATION, "Mapping already-mapped buffer %u", buffer);
else if((unavailable&AL_MAP_READ_BIT_SOFT)) UNLIKELY
context->setError(AL_INVALID_VALUE,
"Mapping buffer %u for reading without read access", buffer);
else if((unavailable&AL_MAP_WRITE_BIT_SOFT)) UNLIKELY
context->setError(AL_INVALID_VALUE,
"Mapping buffer %u for writing without write access", buffer);
else if((unavailable&AL_MAP_PERSISTENT_BIT_SOFT)) UNLIKELY
context->setError(AL_INVALID_VALUE,
"Mapping buffer %u persistently without persistent access", buffer);
else if(offset < 0 || length <= 0
|| static_cast<ALuint>(offset) >= albuf->OriginalSize
|| static_cast<ALuint>(length) > albuf->OriginalSize - static_cast<ALuint>(offset))
UNLIKELY
context->setError(AL_INVALID_VALUE, "Mapping invalid range %d+%d for buffer %u",
offset, length, buffer);
else
{
void *retval{albuf->mData.data() + offset};
albuf->MappedAccess = access;
albuf->MappedOffset = offset;
albuf->MappedSize = length;
return retval;
}
}
return nullptr;
}
END_API_FUNC
AL_API void AL_APIENTRY alUnmapBufferSOFT(ALuint buffer)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(albuf->MappedAccess == 0) UNLIKELY
context->setError(AL_INVALID_OPERATION, "Unmapping unmapped buffer %u", buffer);
else
{
albuf->MappedAccess = 0;
albuf->MappedOffset = 0;
albuf->MappedSize = 0;
}
}
END_API_FUNC
AL_API void AL_APIENTRY alFlushMappedBufferSOFT(ALuint buffer, ALsizei offset, ALsizei length)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!(albuf->MappedAccess&AL_MAP_WRITE_BIT_SOFT)) UNLIKELY
context->setError(AL_INVALID_OPERATION, "Flushing buffer %u while not mapped for writing",
buffer);
else if(offset < albuf->MappedOffset || length <= 0
|| offset >= albuf->MappedOffset+albuf->MappedSize
|| length > albuf->MappedOffset+albuf->MappedSize-offset) UNLIKELY
context->setError(AL_INVALID_VALUE, "Flushing invalid range %d+%d on buffer %u", offset,
length, buffer);
else
{
/* FIXME: Need to use some method of double-buffering for the mixer and
* app to hold separate memory, which can be safely transfered
* asynchronously. Currently we just say the app shouldn't write where
* OpenAL's reading, and hope for the best...
*/
std::atomic_thread_fence(std::memory_order_seq_cst);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferSubDataSOFT(ALuint buffer, ALenum format, const ALvoid *data, ALsizei offset, ALsizei length)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
return context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt) UNLIKELY
return context->setError(AL_INVALID_ENUM, "Invalid format 0x%04x", format);
const ALuint unpack_align{albuf->UnpackAlign};
const ALuint align{SanitizeAlignment(usrfmt->type, unpack_align)};
if(align < 1) UNLIKELY
return context->setError(AL_INVALID_VALUE, "Invalid unpack alignment %u", unpack_align);
if(usrfmt->channels != albuf->mChannels || usrfmt->type != albuf->mType) UNLIKELY
return context->setError(AL_INVALID_ENUM, "Unpacking data with mismatched format");
if(align != albuf->mBlockAlign) UNLIKELY
return context->setError(AL_INVALID_VALUE,
"Unpacking data with alignment %u does not match original alignment %u", align,
albuf->mBlockAlign);
if(albuf->isBFormat() && albuf->UnpackAmbiOrder != albuf->mAmbiOrder) UNLIKELY
return context->setError(AL_INVALID_VALUE,
"Unpacking data with mismatched ambisonic order");
if(albuf->MappedAccess != 0) UNLIKELY
return context->setError(AL_INVALID_OPERATION, "Unpacking data into mapped buffer %u",
buffer);
const ALuint num_chans{albuf->channelsFromFmt()};
const ALuint byte_align{
(albuf->mType == FmtIMA4) ? ((align-1)/2 + 4) * num_chans :
(albuf->mType == FmtMSADPCM) ? ((align-2)/2 + 7) * num_chans :
(align * albuf->bytesFromFmt() * num_chans)};
if(offset < 0 || length < 0 || static_cast<ALuint>(offset) > albuf->OriginalSize
|| static_cast<ALuint>(length) > albuf->OriginalSize-static_cast<ALuint>(offset))
UNLIKELY
return context->setError(AL_INVALID_VALUE, "Invalid data sub-range %d+%d on buffer %u",
offset, length, buffer);
if((static_cast<ALuint>(offset)%byte_align) != 0) UNLIKELY
return context->setError(AL_INVALID_VALUE,
"Sub-range offset %d is not a multiple of frame size %d (%d unpack alignment)",
offset, byte_align, align);
if((static_cast<ALuint>(length)%byte_align) != 0) UNLIKELY
return context->setError(AL_INVALID_VALUE,
"Sub-range length %d is not a multiple of frame size %d (%d unpack alignment)",
length, byte_align, align);
assert(al::to_underlying(usrfmt->type) == al::to_underlying(albuf->mType));
memcpy(albuf->mData.data()+offset, data, static_cast<ALuint>(length));
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint /*buffer*/, ALuint /*samplerate*/,
ALenum /*internalformat*/, ALsizei /*samples*/, ALenum /*channels*/, ALenum /*type*/,
const ALvoid* /*data*/)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
context->setError(AL_INVALID_OPERATION, "alBufferSamplesSOFT not supported");
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferSubSamplesSOFT(ALuint /*buffer*/, ALsizei /*offset*/,
ALsizei /*samples*/, ALenum /*channels*/, ALenum /*type*/, const ALvoid* /*data*/)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
context->setError(AL_INVALID_OPERATION, "alBufferSubSamplesSOFT not supported");
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBufferSamplesSOFT(ALuint /*buffer*/, ALsizei /*offset*/,
ALsizei /*samples*/, ALenum /*channels*/, ALenum /*type*/, ALvoid* /*data*/)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
context->setError(AL_INVALID_OPERATION, "alGetBufferSamplesSOFT not supported");
}
END_API_FUNC
AL_API ALboolean AL_APIENTRY alIsBufferFormatSupportedSOFT(ALenum /*format*/)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return AL_FALSE;
context->setError(AL_INVALID_OPERATION, "alIsBufferFormatSupportedSOFT not supported");
return AL_FALSE;
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferf(ALuint buffer, ALenum param, ALfloat /*value*/)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer float property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alBuffer3f(ALuint buffer, ALenum param,
ALfloat /*value1*/, ALfloat /*value2*/, ALfloat /*value3*/)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer 3-float property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferfv(ALuint buffer, ALenum param, const ALfloat *values)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!values) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer float-vector property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferi(ALuint buffer, ALenum param, ALint value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else switch(param)
{
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
if(value < 0) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid unpack block alignment %d", value);
else
albuf->UnpackAlign = static_cast<ALuint>(value);
break;
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
if(value < 0) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid pack block alignment %d", value);
else
albuf->PackAlign = static_cast<ALuint>(value);
break;
case AL_AMBISONIC_LAYOUT_SOFT:
if(ReadRef(albuf->ref) != 0) UNLIKELY
context->setError(AL_INVALID_OPERATION, "Modifying in-use buffer %u's ambisonic layout",
buffer);
else if(const auto layout = AmbiLayoutFromEnum(value))
albuf->mAmbiLayout = layout.value();
else UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid unpack ambisonic layout %04x", value);
break;
case AL_AMBISONIC_SCALING_SOFT:
if(ReadRef(albuf->ref) != 0) UNLIKELY
context->setError(AL_INVALID_OPERATION, "Modifying in-use buffer %u's ambisonic scaling",
buffer);
else if(const auto scaling = AmbiScalingFromEnum(value))
albuf->mAmbiScaling = scaling.value();
else UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid unpack ambisonic scaling %04x", value);
break;
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
if(value < 1 || value > 14) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid unpack ambisonic order %d", value);
else
albuf->UnpackAmbiOrder = static_cast<ALuint>(value);
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer integer property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alBuffer3i(ALuint buffer, ALenum param,
ALint /*value1*/, ALint /*value2*/, ALint /*value3*/)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer 3-integer property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferiv(ALuint buffer, ALenum param, const ALint *values)
START_API_FUNC
{
if(values)
{
switch(param)
{
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
case AL_AMBISONIC_LAYOUT_SOFT:
case AL_AMBISONIC_SCALING_SOFT:
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
alBufferi(buffer, param, values[0]);
return;
}
}
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!values) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
case AL_LOOP_POINTS_SOFT:
if(ReadRef(albuf->ref) != 0) UNLIKELY
context->setError(AL_INVALID_OPERATION, "Modifying in-use buffer %u's loop points",
buffer);
else if(values[0] < 0 || values[0] >= values[1]
|| static_cast<ALuint>(values[1]) > albuf->mSampleLen) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid loop point range %d -> %d on buffer %u",
values[0], values[1], buffer);
else
{
albuf->mLoopStart = static_cast<ALuint>(values[0]);
albuf->mLoopEnd = static_cast<ALuint>(values[1]);
}
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer integer-vector property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBufferf(ALuint buffer, ALenum param, ALfloat *value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!value) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
case AL_SEC_LENGTH_SOFT:
*value = (albuf->mSampleRate < 1) ? 0.0f :
(static_cast<float>(albuf->mSampleLen) / static_cast<float>(albuf->mSampleRate));
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer float property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBuffer3f(ALuint buffer, ALenum param, ALfloat *value1, ALfloat *value2, ALfloat *value3)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!value1 || !value2 || !value3) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer 3-float property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBufferfv(ALuint buffer, ALenum param, ALfloat *values)
START_API_FUNC
{
switch(param)
{
case AL_SEC_LENGTH_SOFT:
alGetBufferf(buffer, param, values);
return;
}
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!values) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer float-vector property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBufferi(ALuint buffer, ALenum param, ALint *value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!value) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
case AL_FREQUENCY:
*value = static_cast<ALint>(albuf->mSampleRate);
break;
case AL_BITS:
*value = (albuf->mType == FmtIMA4 || albuf->mType == FmtMSADPCM) ? 4
: static_cast<ALint>(albuf->bytesFromFmt() * 8);
break;
case AL_CHANNELS:
*value = static_cast<ALint>(albuf->channelsFromFmt());
break;
case AL_SIZE:
*value = albuf->mCallback ? 0 : static_cast<ALint>(albuf->mData.size());
break;
case AL_BYTE_LENGTH_SOFT:
*value = static_cast<ALint>(albuf->mSampleLen / albuf->mBlockAlign
* albuf->blockSizeFromFmt());
break;
case AL_SAMPLE_LENGTH_SOFT:
*value = static_cast<ALint>(albuf->mSampleLen);
break;
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
*value = static_cast<ALint>(albuf->UnpackAlign);
break;
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
*value = static_cast<ALint>(albuf->PackAlign);
break;
case AL_AMBISONIC_LAYOUT_SOFT:
*value = EnumFromAmbiLayout(albuf->mAmbiLayout);
break;
case AL_AMBISONIC_SCALING_SOFT:
*value = EnumFromAmbiScaling(albuf->mAmbiScaling);
break;
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
*value = static_cast<int>(albuf->UnpackAmbiOrder);
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer integer property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBuffer3i(ALuint buffer, ALenum param, ALint *value1, ALint *value2, ALint *value3)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!value1 || !value2 || !value3) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer 3-integer property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBufferiv(ALuint buffer, ALenum param, ALint *values)
START_API_FUNC
{
switch(param)
{
case AL_FREQUENCY:
case AL_BITS:
case AL_CHANNELS:
case AL_SIZE:
case AL_INTERNAL_FORMAT_SOFT:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
case AL_AMBISONIC_LAYOUT_SOFT:
case AL_AMBISONIC_SCALING_SOFT:
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
alGetBufferi(buffer, param, values);
return;
}
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!values) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
case AL_LOOP_POINTS_SOFT:
values[0] = static_cast<ALint>(albuf->mLoopStart);
values[1] = static_cast<ALint>(albuf->mLoopEnd);
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer integer-vector property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alBufferCallbackSOFT(ALuint buffer, ALenum format, ALsizei freq,
ALBUFFERCALLBACKTYPESOFT callback, ALvoid *userptr)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(freq < 1) UNLIKELY
context->setError(AL_INVALID_VALUE, "Invalid sample rate %d", freq);
else if(callback == nullptr) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL callback");
else
{
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt) UNLIKELY
context->setError(AL_INVALID_ENUM, "Invalid format 0x%04x", format);
else
PrepareCallback(context.get(), albuf, freq, usrfmt->channels, usrfmt->type, callback,
userptr);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBufferPtrSOFT(ALuint buffer, ALenum param, ALvoid **value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
ALbuffer *albuf = LookupBuffer(device, buffer);
if(!albuf) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!value) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
case AL_BUFFER_CALLBACK_FUNCTION_SOFT:
*value = reinterpret_cast<void*>(albuf->mCallback);
break;
case AL_BUFFER_CALLBACK_USER_PARAM_SOFT:
*value = albuf->mUserData;
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer pointer property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBuffer3PtrSOFT(ALuint buffer, ALenum param, ALvoid **value1, ALvoid **value2, ALvoid **value3)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!value1 || !value2 || !value3) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer 3-pointer property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetBufferPtrvSOFT(ALuint buffer, ALenum param, ALvoid **values)
START_API_FUNC
{
switch(param)
{
case AL_BUFFER_CALLBACK_FUNCTION_SOFT:
case AL_BUFFER_CALLBACK_USER_PARAM_SOFT:
alGetBufferPtrSOFT(buffer, param, values);
return;
}
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> _{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr) UNLIKELY
context->setError(AL_INVALID_NAME, "Invalid buffer ID %u", buffer);
else if(!values) UNLIKELY
context->setError(AL_INVALID_VALUE, "NULL pointer");
else switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid buffer pointer-vector property 0x%04x", param);
}
}
END_API_FUNC
BufferSubList::~BufferSubList()
{
uint64_t usemask{~FreeMask};
while(usemask)
{
const int idx{al::countr_zero(usemask)};
al::destroy_at(Buffers+idx);
usemask &= ~(1_u64 << idx);
}
FreeMask = ~usemask;
al_free(Buffers);
Buffers = nullptr;
}
#ifdef ALSOFT_EAX
FORCE_ALIGN ALboolean AL_APIENTRY EAXSetBufferMode(ALsizei n, const ALuint* buffers, ALint value)
START_API_FUNC
{
#define EAX_PREFIX "[EAXSetBufferMode] "
const auto context = ContextRef{GetContextRef()};
if(!context)
{
ERR(EAX_PREFIX "%s\n", "No current context.");
return ALC_FALSE;
}
if(!eax_g_is_enabled)
{
context->setError(AL_INVALID_OPERATION, EAX_PREFIX "%s", "EAX not enabled.");
return ALC_FALSE;
}
const auto storage = EaxStorageFromEnum(value);
if(!storage)
{
context->setError(AL_INVALID_ENUM, EAX_PREFIX "Unsupported X-RAM mode 0x%x", value);
return ALC_FALSE;
}
if(n == 0)
return ALC_TRUE;
if(n < 0)
{
context->setError(AL_INVALID_VALUE, EAX_PREFIX "Buffer count %d out of range", n);
return ALC_FALSE;
}
if(!buffers)
{
context->setError(AL_INVALID_VALUE, EAX_PREFIX "%s", "Null AL buffers");
return ALC_FALSE;
}
auto device = context->mALDevice.get();
std::lock_guard<std::mutex> device_lock{device->BufferLock};
size_t total_needed{0};
// Validate the buffers.
//
for(auto i = 0;i < n;++i)
{
const auto bufid = buffers[i];
if(bufid == AL_NONE)
continue;
const auto buffer = LookupBuffer(device, bufid);
if(!buffer) UNLIKELY
{
ERR(EAX_PREFIX "Invalid buffer ID %u.\n", bufid);
return ALC_FALSE;
}
/* TODO: Is the store location allowed to change for in-use buffers, or
* only when not set/queued on a source?
*/
if(*storage == EaxStorage::Hardware && !buffer->eax_x_ram_is_hardware)
{
/* FIXME: This doesn't account for duplicate buffers. When the same
* buffer ID is specified multiple times in the provided list, it
* counts each instance as more memory that needs to fit in X-RAM.
*/
if(std::numeric_limits<size_t>::max()-buffer->OriginalSize < total_needed) UNLIKELY
{
context->setError(AL_OUT_OF_MEMORY, EAX_PREFIX "Size overflow (%u + %zu)\n",
buffer->OriginalSize, total_needed);
return ALC_FALSE;
}
total_needed += buffer->OriginalSize;
}
}
if(total_needed > device->eax_x_ram_free_size)
{
context->setError(AL_OUT_OF_MEMORY,EAX_PREFIX "Out of X-RAM memory (need: %zu, avail: %u)",
total_needed, device->eax_x_ram_free_size);
return ALC_FALSE;
}
// Update the mode.
//
for(auto i = 0;i < n;++i)
{
const auto bufid = buffers[i];
if(bufid == AL_NONE)
continue;
const auto buffer = LookupBuffer(device, bufid);
assert(buffer);
if(*storage == EaxStorage::Hardware)
eax_x_ram_apply(*device, *buffer);
else
eax_x_ram_clear(*device, *buffer);
buffer->eax_x_ram_mode = *storage;
}
return AL_TRUE;
#undef EAX_PREFIX
}
END_API_FUNC
FORCE_ALIGN ALenum AL_APIENTRY EAXGetBufferMode(ALuint buffer, ALint* pReserved)
START_API_FUNC
{
#define EAX_PREFIX "[EAXGetBufferMode] "
const auto context = ContextRef{GetContextRef()};
if(!context)
{
ERR(EAX_PREFIX "%s\n", "No current context.");
return AL_NONE;
}
if(!eax_g_is_enabled)
{
context->setError(AL_INVALID_OPERATION, EAX_PREFIX "%s", "EAX not enabled.");
return AL_NONE;
}
if(pReserved)
{
context->setError(AL_INVALID_VALUE, EAX_PREFIX "%s", "Non-null reserved parameter");
return AL_NONE;
}
auto device = context->mALDevice.get();
std::lock_guard<std::mutex> device_lock{device->BufferLock};
const auto al_buffer = LookupBuffer(device, buffer);
if(!al_buffer)
{
context->setError(AL_INVALID_NAME, EAX_PREFIX "Invalid buffer ID %u", buffer);
return AL_NONE;
}
return EnumFromEaxStorage(al_buffer->eax_x_ram_mode);
#undef EAX_PREFIX
}
END_API_FUNC
#endif // ALSOFT_EAX
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