/**
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <limits.h>
#include "alMain.h"
#include "alu.h"
#include "alError.h"
#include "alBuffer.h"
#include "alThunk.h"
static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels chans, enum UserFmtType type, const ALvoid *data, ALboolean storesrc);
static void ConvertData(ALvoid *dst, enum UserFmtType dstType, const ALvoid *src, enum UserFmtType srcType, ALsizei numchans, ALsizei len);
static ALboolean IsValidType(ALenum type);
static ALboolean IsValidChannels(ALenum channels);
static ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans, enum UserFmtType *type);
static ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum FmtType *type);
/*
* Global Variables
*/
/* IMA ADPCM Stepsize table */
static const long IMAStep_size[89] = {
7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 19,
21, 23, 25, 28, 31, 34, 37, 41, 45, 50, 55,
60, 66, 73, 80, 88, 97, 107, 118, 130, 143, 157,
173, 190, 209, 230, 253, 279, 307, 337, 371, 408, 449,
494, 544, 598, 658, 724, 796, 876, 963, 1060, 1166, 1282,
1411, 1552, 1707, 1878, 2066, 2272, 2499, 2749, 3024, 3327, 3660,
4026, 4428, 4871, 5358, 5894, 6484, 7132, 7845, 8630, 9493,10442,
11487,12635,13899,15289,16818,18500,20350,22358,24633,27086,29794,
32767
};
/* IMA4 ADPCM Codeword decode table */
static const long IMA4Codeword[16] = {
1, 3, 5, 7, 9, 11, 13, 15,
-1,-3,-5,-7,-9,-11,-13,-15,
};
/* IMA4 ADPCM Step index adjust decode table */
static const long IMA4Index_adjust[16] = {
-1,-1,-1,-1, 2, 4, 6, 8,
-1,-1,-1,-1, 2, 4, 6, 8
};
/* A quick'n'dirty lookup table to decode a muLaw-encoded byte sample into a
* signed 16-bit sample */
static const ALshort muLawDecompressionTable[256] = {
-32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956,
-23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764,
-15996,-15484,-14972,-14460,-13948,-13436,-12924,-12412,
-11900,-11388,-10876,-10364, -9852, -9340, -8828, -8316,
-7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
-5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
-3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
-2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
-1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
-1372, -1308, -1244, -1180, -1116, -1052, -988, -924,
-876, -844, -812, -780, -748, -716, -684, -652,
-620, -588, -556, -524, -492, -460, -428, -396,
-372, -356, -340, -324, -308, -292, -276, -260,
-244, -228, -212, -196, -180, -164, -148, -132,
-120, -112, -104, -96, -88, -80, -72, -64,
-56, -48, -40, -32, -24, -16, -8, 0,
32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316,
7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140,
5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092,
3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004,
2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980,
1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436,
1372, 1308, 1244, 1180, 1116, 1052, 988, 924,
876, 844, 812, 780, 748, 716, 684, 652,
620, 588, 556, 524, 492, 460, 428, 396,
372, 356, 340, 324, 308, 292, 276, 260,
244, 228, 212, 196, 180, 164, 148, 132,
120, 112, 104, 96, 88, 80, 72, 64,
56, 48, 40, 32, 24, 16, 8, 0
};
/* Values used when encoding a muLaw sample */
static const int muLawBias = 0x84;
static const int muLawClip = 32635;
static const char muLawCompressTable[256] = {
0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,
4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
};
/* A quick'n'dirty lookup table to decode an aLaw-encoded byte sample into a
* signed 16-bit sample */
static const ALshort aLawDecompressionTable[256] = {
-5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
-7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
-2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
-3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
-22016,-20992,-24064,-23040,-17920,-16896,-19968,-18944,
-30208,-29184,-32256,-31232,-26112,-25088,-28160,-27136,
-11008,-10496,-12032,-11520, -8960, -8448, -9984, -9472,
-15104,-14592,-16128,-15616,-13056,-12544,-14080,-13568,
-344, -328, -376, -360, -280, -264, -312, -296,
-472, -456, -504, -488, -408, -392, -440, -424,
-88, -72, -120, -104, -24, -8, -56, -40,
-216, -200, -248, -232, -152, -136, -184, -168,
-1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
-1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
-688, -656, -752, -720, -560, -528, -624, -592,
-944, -912, -1008, -976, -816, -784, -880, -848,
5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736,
7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784,
2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368,
3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392,
22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472,
15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
344, 328, 376, 360, 280, 264, 312, 296,
472, 456, 504, 488, 408, 392, 440, 424,
88, 72, 120, 104, 24, 8, 56, 40,
216, 200, 248, 232, 152, 136, 184, 168,
1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184,
1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696,
688, 656, 752, 720, 560, 528, 624, 592,
944, 912, 1008, 976, 816, 784, 880, 848
};
/* Values used when encoding an aLaw sample */
static const int aLawClip = 32635;
static const char aLawCompressTable[128] = {
1,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,
5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
};
AL_API ALvoid AL_APIENTRY alGenBuffers(ALsizei n, ALuint *buffers)
{
ALCcontext *Context;
ALsizei cur = 0;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
ALenum err;
CHECK_VALUE(Context, n >= 0);
for(cur = 0;cur < n;cur++)
{
ALbuffer *buffer = calloc(1, sizeof(ALbuffer));
if(!buffer)
al_throwerr(Context, AL_OUT_OF_MEMORY);
RWLockInit(&buffer->lock);
err = NewThunkEntry(&buffer->id);
if(err == AL_NO_ERROR)
err = InsertUIntMapEntry(&device->BufferMap, buffer->id, buffer);
if(err != AL_NO_ERROR)
{
FreeThunkEntry(buffer->id);
memset(buffer, 0, sizeof(ALbuffer));
free(buffer);
al_throwerr(Context, err);
}
buffers[cur] = buffer->id;
}
}
al_catchany()
{
if(cur > 0)
alDeleteBuffers(cur, buffers);
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alDeleteBuffers(ALsizei n, const ALuint *buffers)
{
ALCcontext *Context;
ALbuffer *ALBuf;
ALsizei i;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
CHECK_VALUE(Context, n >= 0);
for(i = 0;i < n;i++)
{
if(!buffers[i])
continue;
/* Check for valid Buffer ID */
if((ALBuf=LookupBuffer(device, buffers[i])) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
if(ALBuf->ref != 0)
al_throwerr(Context, AL_INVALID_OPERATION);
}
for(i = 0;i < n;i++)
{
if((ALBuf=RemoveBuffer(device, buffers[i])) == NULL)
continue;
FreeThunkEntry(ALBuf->id);
free(ALBuf->data);
memset(ALBuf, 0, sizeof(*ALBuf));
free(ALBuf);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API ALboolean AL_APIENTRY alIsBuffer(ALuint buffer)
{
ALCcontext *Context;
ALboolean result;
Context = GetContextRef();
if(!Context) return AL_FALSE;
result = ((!buffer || LookupBuffer(Context->Device, buffer)) ?
AL_TRUE : AL_FALSE);
ALCcontext_DecRef(Context);
return result;
}
AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq)
{
enum UserFmtChannels SrcChannels;
enum UserFmtType SrcType;
ALCcontext *Context;
ALuint FrameSize;
ALenum NewFormat;
ALbuffer *ALBuf;
ALenum err;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if((ALBuf=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, size >= 0 && freq >= 0);
if(DecomposeUserFormat(format, &SrcChannels, &SrcType) == AL_FALSE)
al_throwerr(Context, AL_INVALID_ENUM);
switch(SrcType)
{
case UserFmtByte:
case UserFmtUByte:
case UserFmtShort:
case UserFmtUShort:
case UserFmtInt:
case UserFmtUInt:
case UserFmtFloat:
FrameSize = FrameSizeFromUserFmt(SrcChannels, SrcType);
CHECK_VALUE(Context, (size%FrameSize) == 0);
err = LoadData(ALBuf, freq, format, size/FrameSize,
SrcChannels, SrcType, data, AL_TRUE);
if(err != AL_NO_ERROR)
al_throwerr(Context, err);
break;
case UserFmtByte3:
case UserFmtUByte3:
case UserFmtDouble:
FrameSize = FrameSizeFromUserFmt(SrcChannels, SrcType);
CHECK_VALUE(Context, (size%FrameSize) == 0);
NewFormat = AL_FORMAT_MONO_FLOAT32;
switch(SrcChannels)
{
case UserFmtMono: NewFormat = AL_FORMAT_MONO_FLOAT32; break;
case UserFmtStereo: NewFormat = AL_FORMAT_STEREO_FLOAT32; break;
case UserFmtRear: NewFormat = AL_FORMAT_REAR32; break;
case UserFmtQuad: NewFormat = AL_FORMAT_QUAD32; break;
case UserFmtX51: NewFormat = AL_FORMAT_51CHN32; break;
case UserFmtX61: NewFormat = AL_FORMAT_61CHN32; break;
case UserFmtX71: NewFormat = AL_FORMAT_71CHN32; break;
}
err = LoadData(ALBuf, freq, NewFormat, size/FrameSize,
SrcChannels, SrcType, data, AL_TRUE);
if(err != AL_NO_ERROR)
al_throwerr(Context, err);
break;
case UserFmtMulaw:
case UserFmtAlaw:
FrameSize = FrameSizeFromUserFmt(SrcChannels, SrcType);
CHECK_VALUE(Context, (size%FrameSize) == 0);
NewFormat = AL_FORMAT_MONO16;
switch(SrcChannels)
{
case UserFmtMono: NewFormat = AL_FORMAT_MONO16; break;
case UserFmtStereo: NewFormat = AL_FORMAT_STEREO16; break;
case UserFmtRear: NewFormat = AL_FORMAT_REAR16; break;
case UserFmtQuad: NewFormat = AL_FORMAT_QUAD16; break;
case UserFmtX51: NewFormat = AL_FORMAT_51CHN16; break;
case UserFmtX61: NewFormat = AL_FORMAT_61CHN16; break;
case UserFmtX71: NewFormat = AL_FORMAT_71CHN16; break;
}
err = LoadData(ALBuf, freq, NewFormat, size/FrameSize,
SrcChannels, SrcType, data, AL_TRUE);
if(err != AL_NO_ERROR)
al_throwerr(Context, err);
break;
case UserFmtIMA4:
/* 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
*/
FrameSize = ChannelsFromUserFmt(SrcChannels) * 36;
CHECK_VALUE(Context, (size%FrameSize) == 0);
NewFormat = AL_FORMAT_MONO16;
switch(SrcChannels)
{
case UserFmtMono: NewFormat = AL_FORMAT_MONO16; break;
case UserFmtStereo: NewFormat = AL_FORMAT_STEREO16; break;
case UserFmtRear: NewFormat = AL_FORMAT_REAR16; break;
case UserFmtQuad: NewFormat = AL_FORMAT_QUAD16; break;
case UserFmtX51: NewFormat = AL_FORMAT_51CHN16; break;
case UserFmtX61: NewFormat = AL_FORMAT_61CHN16; break;
case UserFmtX71: NewFormat = AL_FORMAT_71CHN16; break;
}
err = LoadData(ALBuf, freq, NewFormat, size/FrameSize*65,
SrcChannels, SrcType, data, AL_TRUE);
if(err != AL_NO_ERROR)
al_throwerr(Context, err);
break;
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer, ALenum format, const ALvoid *data, ALsizei offset, ALsizei length)
{
enum UserFmtChannels SrcChannels;
enum UserFmtType SrcType;
ALCcontext *Context;
ALbuffer *ALBuf;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
ALuint original_align;
ALuint Channels;
ALuint Bytes;
if((ALBuf=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, length >= 0 && offset >= 0);
if(DecomposeUserFormat(format, &SrcChannels, &SrcType) == AL_FALSE)
al_throwerr(Context, AL_INVALID_ENUM);
WriteLock(&ALBuf->lock);
original_align = ((ALBuf->OriginalType == UserFmtIMA4) ?
(ChannelsFromUserFmt(ALBuf->OriginalChannels)*36) :
FrameSizeFromUserFmt(ALBuf->OriginalChannels,
ALBuf->OriginalType));
if(SrcChannels != ALBuf->OriginalChannels || SrcType != ALBuf->OriginalType)
{
WriteUnlock(&ALBuf->lock);
al_throwerr(Context, AL_INVALID_ENUM);
}
if(offset > ALBuf->OriginalSize || length > ALBuf->OriginalSize-offset ||
(offset%original_align) != 0 || (length%original_align) != 0)
{
WriteUnlock(&ALBuf->lock);
al_throwerr(Context, AL_INVALID_VALUE);
}
Channels = ChannelsFromFmt(ALBuf->FmtChannels);
Bytes = BytesFromFmt(ALBuf->FmtType);
/* offset -> byte offset, length -> sample count */
if(SrcType == UserFmtIMA4)
{
offset = offset/36*65 * Bytes;
length = length/original_align * 65;
}
else
{
ALuint OldBytes = BytesFromUserFmt(SrcType);
offset = offset/OldBytes * Bytes;
length = length/OldBytes/Channels;
}
ConvertData(&((ALubyte*)ALBuf->data)[offset], ALBuf->FmtType,
data, SrcType, Channels, length);
WriteUnlock(&ALBuf->lock);
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint buffer,
ALuint samplerate, ALenum internalformat, ALsizei samples,
ALenum channels, ALenum type, const ALvoid *data)
{
ALCcontext *Context;
ALbuffer *ALBuf;
ALenum err;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if((ALBuf=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, samples >= 0 && samplerate != 0);
if(IsValidType(type) == AL_FALSE || IsValidChannels(channels) == AL_FALSE)
al_throwerr(Context, AL_INVALID_ENUM);
err = LoadData(ALBuf, samplerate, internalformat, samples,
channels, type, data, AL_FALSE);
if(err != AL_NO_ERROR)
al_throwerr(Context, err);
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alBufferSubSamplesSOFT(ALuint buffer,
ALsizei offset, ALsizei samples,
ALenum channels, ALenum type, const ALvoid *data)
{
ALCcontext *Context;
ALbuffer *ALBuf;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
ALuint FrameSize;
if((ALBuf=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, samples >= 0 && offset >= 0);
if(IsValidType(type) == AL_FALSE)
al_throwerr(Context, AL_INVALID_ENUM);
WriteLock(&ALBuf->lock);
FrameSize = FrameSizeFromFmt(ALBuf->FmtChannels, ALBuf->FmtType);
if(channels != (ALenum)ALBuf->FmtChannels)
{
WriteUnlock(&ALBuf->lock);
al_throwerr(Context, AL_INVALID_ENUM);
}
else if(offset > ALBuf->SampleLen || samples > ALBuf->SampleLen-offset)
{
WriteUnlock(&ALBuf->lock);
al_throwerr(Context,AL_INVALID_VALUE);
}
/* offset -> byte offset */
offset *= FrameSize;
ConvertData(&((ALubyte*)ALBuf->data)[offset], ALBuf->FmtType,
data, type, ChannelsFromFmt(ALBuf->FmtChannels), samples);
WriteUnlock(&ALBuf->lock);
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetBufferSamplesSOFT(ALuint buffer,
ALsizei offset, ALsizei samples,
ALenum channels, ALenum type, ALvoid *data)
{
ALCcontext *Context;
ALbuffer *ALBuf;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
ALuint FrameSize;
if((ALBuf=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, samples >= 0 && offset >= 0);
if(IsValidType(type) == AL_FALSE)
al_throwerr(Context, AL_INVALID_ENUM);
ReadLock(&ALBuf->lock);
FrameSize = FrameSizeFromFmt(ALBuf->FmtChannels, ALBuf->FmtType);
if(channels != (ALenum)ALBuf->FmtChannels)
{
ReadUnlock(&ALBuf->lock);
al_throwerr(Context, AL_INVALID_ENUM);
}
if(offset > ALBuf->SampleLen || samples > ALBuf->SampleLen-offset)
{
ReadUnlock(&ALBuf->lock);
al_throwerr(Context,AL_INVALID_VALUE);
}
if(type == UserFmtIMA4 && (samples%65) != 0)
{
ReadUnlock(&ALBuf->lock);
al_throwerr(Context, AL_INVALID_VALUE);
}
/* offset -> byte offset */
offset *= FrameSize;
ConvertData(data, type, &((ALubyte*)ALBuf->data)[offset], ALBuf->FmtType,
ChannelsFromFmt(ALBuf->FmtChannels), samples);
ReadUnlock(&ALBuf->lock);
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API ALboolean AL_APIENTRY alIsBufferFormatSupportedSOFT(ALenum format)
{
enum FmtChannels DstChannels;
enum FmtType DstType;
ALCcontext *Context;
ALboolean ret;
Context = GetContextRef();
if(!Context) return AL_FALSE;
ret = DecomposeFormat(format, &DstChannels, &DstType);
ALCcontext_DecRef(Context);
return ret;
}
AL_API void AL_APIENTRY alBufferf(ALuint buffer, ALenum param, ALfloat value)
{
ALCcontext *Context;
(void)value;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alBuffer3f(ALuint buffer, ALenum param, ALfloat value1, ALfloat value2, ALfloat value3)
{
ALCcontext *Context;
(void)value1;
(void)value2;
(void)value3;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alBufferfv(ALuint buffer, ALenum param, const ALfloat *values)
{
ALCcontext *Context;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, values);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alBufferi(ALuint buffer, ALenum param, ALint value)
{
ALCcontext *Context;
(void)value;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alBuffer3i(ALuint buffer, ALenum param, ALint value1, ALint value2, ALint value3)
{
ALCcontext *Context;
(void)value1;
(void)value2;
(void)value3;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alBufferiv(ALuint buffer, ALenum param, const ALint *values)
{
ALCcontext *Context;
ALbuffer *ALBuf;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if((ALBuf=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, values);
switch(param)
{
case AL_LOOP_POINTS_SOFT:
WriteLock(&ALBuf->lock);
if(ALBuf->ref != 0)
{
WriteUnlock(&ALBuf->lock);
al_throwerr(Context, AL_INVALID_OPERATION);
}
if(values[0] >= values[1] || values[0] < 0 ||
values[1] > ALBuf->SampleLen)
{
WriteUnlock(&ALBuf->lock);
al_throwerr(Context, AL_INVALID_VALUE);
}
ALBuf->LoopStart = values[0];
ALBuf->LoopEnd = values[1];
WriteUnlock(&ALBuf->lock);
break;
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alGetBufferf(ALuint buffer, ALenum param, ALfloat *value)
{
ALCcontext *Context;
ALbuffer *Buffer;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if((Buffer=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, value);
switch(param)
{
case AL_SEC_LENGTH_SOFT:
ReadLock(&Buffer->lock);
if(Buffer->SampleLen != 0)
*value = Buffer->SampleLen / (ALfloat)Buffer->Frequency;
else
*value = 0.0f;
ReadUnlock(&Buffer->lock);
break;
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetBuffer3f(ALuint buffer, ALenum param, ALfloat *value1, ALfloat *value2, ALfloat *value3)
{
ALCcontext *Context;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, value1 && value2 && value3);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetBufferfv(ALuint buffer, ALenum param, ALfloat *values)
{
ALCcontext *Context;
switch(param)
{
case AL_SEC_LENGTH_SOFT:
alGetBufferf(buffer, param, values);
return;
}
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, values);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API ALvoid AL_APIENTRY alGetBufferi(ALuint buffer, ALenum param, ALint *value)
{
ALCcontext *Context;
ALbuffer *Buffer;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if((Buffer=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, value);
switch(param)
{
case AL_FREQUENCY:
*value = Buffer->Frequency;
break;
case AL_BITS:
*value = BytesFromFmt(Buffer->FmtType) * 8;
break;
case AL_CHANNELS:
*value = ChannelsFromFmt(Buffer->FmtChannels);
break;
case AL_SIZE:
ReadLock(&Buffer->lock);
*value = Buffer->SampleLen * FrameSizeFromFmt(Buffer->FmtChannels,
Buffer->FmtType);
ReadUnlock(&Buffer->lock);
break;
case AL_INTERNAL_FORMAT_SOFT:
*value = Buffer->Format;
break;
case AL_BYTE_LENGTH_SOFT:
*value = Buffer->OriginalSize;
break;
case AL_SAMPLE_LENGTH_SOFT:
*value = Buffer->SampleLen;
break;
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetBuffer3i(ALuint buffer, ALenum param, ALint *value1, ALint *value2, ALint *value3)
{
ALCcontext *Context;
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if(LookupBuffer(device, buffer) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, value1 && value2 && value3);
switch(param)
{
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
AL_API void AL_APIENTRY alGetBufferiv(ALuint buffer, ALenum param, ALint *values)
{
ALCcontext *Context;
ALbuffer *ALBuf;
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:
alGetBufferi(buffer, param, values);
return;
}
Context = GetContextRef();
if(!Context) return;
al_try
{
ALCdevice *device = Context->Device;
if((ALBuf=LookupBuffer(device, buffer)) == NULL)
al_throwerr(Context, AL_INVALID_NAME);
CHECK_VALUE(Context, values);
switch(param)
{
case AL_LOOP_POINTS_SOFT:
ReadLock(&ALBuf->lock);
values[0] = ALBuf->LoopStart;
values[1] = ALBuf->LoopEnd;
ReadUnlock(&ALBuf->lock);
break;
default:
al_throwerr(Context, AL_INVALID_ENUM);
}
}
al_endtry;
ALCcontext_DecRef(Context);
}
typedef ALubyte ALmulaw;
typedef ALubyte ALalaw;
typedef ALubyte ALima4;
typedef struct {
ALbyte b[3];
} ALbyte3;
extern ALbyte ALbyte3_size_is_not_3[(sizeof(ALbyte3)==sizeof(ALbyte[3]))?1:-1];
typedef struct {
ALubyte b[3];
} ALubyte3;
extern ALbyte ALubyte3_size_is_not_3[(sizeof(ALubyte3)==sizeof(ALubyte[3]))?1:-1];
static __inline ALshort DecodeMuLaw(ALmulaw val)
{ return muLawDecompressionTable[val]; }
static ALmulaw EncodeMuLaw(ALshort val)
{
ALint mant, exp, sign;
sign = (val>>8) & 0x80;
if(sign)
{
/* -32768 doesn't properly negate on a short; it results in itself.
* So clamp to -32767 */
val = maxi(val, -32767);
val = -val;
}
val = mini(val, muLawClip);
val += muLawBias;
exp = muLawCompressTable[(val>>7) & 0xff];
mant = (val >> (exp+3)) & 0x0f;
return ~(sign | (exp<<4) | mant);
}
static __inline ALshort DecodeALaw(ALalaw val)
{ return aLawDecompressionTable[val]; }
static ALalaw EncodeALaw(ALshort val)
{
ALint mant, exp, sign;
sign = ((~val) >> 8) & 0x80;
if(!sign)
{
val = maxi(val, -32767);
val = -val;
}
val = mini(val, aLawClip);
if(val >= 256)
{
exp = aLawCompressTable[(val>>8) & 0x7f];
mant = (val >> (exp+3)) & 0x0f;
}
else
{
exp = 0;
mant = val >> 4;
}
return ((exp<<4) | mant) ^ (sign^0x55);
}
static void DecodeIMA4Block(ALshort *dst, const ALima4 *src, ALint numchans)
{
ALint sample[MaxChannels], index[MaxChannels];
ALuint code[MaxChannels];
ALsizei j,k,c;
for(c = 0;c < numchans;c++)
{
sample[c] = *(src++);
sample[c] |= *(src++) << 8;
sample[c] = (sample[c]^0x8000) - 32768;
index[c] = *(src++);
index[c] |= *(src++) << 8;
index[c] = (index[c]^0x8000) - 32768;
index[c] = clampi(index[c], 0, 88);
dst[c] = sample[c];
}
j = 1;
while(j < 65)
{
for(c = 0;c < numchans;c++)
{
code[c] = *(src++);
code[c] |= *(src++) << 8;
code[c] |= *(src++) << 16;
code[c] |= *(src++) << 24;
}
for(k = 0;k < 8;k++,j++)
{
for(c = 0;c < numchans;c++)
{
int nibble = code[c]&0xf;
code[c] >>= 4;
sample[c] += IMA4Codeword[nibble] * IMAStep_size[index[c]] / 8;
sample[c] = clampi(sample[c], -32768, 32767);
index[c] += IMA4Index_adjust[nibble];
index[c] = clampi(index[c], 0, 88);
dst[j*numchans + c] = sample[c];
}
}
}
}
static void EncodeIMA4Block(ALima4 *dst, const ALshort *src, ALint *sample, ALint *index, ALint numchans)
{
ALsizei j,k,c;
for(c = 0;c < numchans;c++)
{
int diff = src[c] - sample[c];
int step = IMAStep_size[index[c]];
int nibble;
nibble = 0;
if(diff < 0)
{
nibble = 0x8;
diff = -diff;
}
diff = mini(step*2, diff);
nibble |= (diff*8/step - 1) / 2;
sample[c] += IMA4Codeword[nibble] * step / 8;
sample[c] = clampi(sample[c], -32768, 32767);
index[c] += IMA4Index_adjust[nibble];
index[c] = clampi(index[c], 0, 88);
*(dst++) = sample[c] & 0xff;
*(dst++) = (sample[c]>>8) & 0xff;
*(dst++) = index[c] & 0xff;
*(dst++) = (index[c]>>8) & 0xff;
}
j = 1;
while(j < 65)
{
for(c = 0;c < numchans;c++)
{
for(k = 0;k < 8;k++)
{
int diff = src[(j+k)*numchans + c] - sample[c];
int step = IMAStep_size[index[c]];
int nibble;
nibble = 0;
if(diff < 0)
{
nibble = 0x8;
diff = -diff;
}
diff = mini(step*2, diff);
nibble |= (diff*8/step - 1) / 2;
sample[c] += IMA4Codeword[nibble] * step / 8;
sample[c] = clampi(sample[c], -32768, 32767);
index[c] += IMA4Index_adjust[nibble];
index[c] = clampi(index[c], 0, 88);
if(!(k&1)) *dst = nibble;
else *(dst++) |= nibble<<4;
}
}
j += 8;
}
}
static __inline ALint DecodeByte3(ALbyte3 val)
{
if(IS_LITTLE_ENDIAN)
return (val.b[2]<<16) | (((ALubyte)val.b[1])<<8) | ((ALubyte)val.b[0]);
return (val.b[0]<<16) | (((ALubyte)val.b[1])<<8) | ((ALubyte)val.b[2]);
}
static __inline ALbyte3 EncodeByte3(ALint val)
{
if(IS_LITTLE_ENDIAN)
{
ALbyte3 ret = {{ val, val>>8, val>>16 }};
return ret;
}
else
{
ALbyte3 ret = {{ val>>16, val>>8, val }};
return ret;
}
}
static __inline ALint DecodeUByte3(ALubyte3 val)
{
if(IS_LITTLE_ENDIAN)
return (val.b[2]<<16) | (val.b[1]<<8) | (val.b[0]);
return (val.b[0]<<16) | (val.b[1]<<8) | val.b[2];
}
static __inline ALubyte3 EncodeUByte3(ALint val)
{
if(IS_LITTLE_ENDIAN)
{
ALubyte3 ret = {{ val, val>>8, val>>16 }};
return ret;
}
else
{
ALubyte3 ret = {{ val>>16, val>>8, val }};
return ret;
}
}
static __inline ALbyte Conv_ALbyte_ALbyte(ALbyte val)
{ return val; }
static __inline ALbyte Conv_ALbyte_ALubyte(ALubyte val)
{ return val-128; }
static __inline ALbyte Conv_ALbyte_ALshort(ALshort val)
{ return val>>8; }
static __inline ALbyte Conv_ALbyte_ALushort(ALushort val)
{ return (val>>8)-128; }
static __inline ALbyte Conv_ALbyte_ALint(ALint val)
{ return val>>24; }
static __inline ALbyte Conv_ALbyte_ALuint(ALuint val)
{ return (val>>24)-128; }
static __inline ALbyte Conv_ALbyte_ALfloat(ALfloat val)
{
if(val > 1.0f) return 127;
if(val < -1.0f) return -128;
return (ALint)(val * 127.0f);
}
static __inline ALbyte Conv_ALbyte_ALdouble(ALdouble val)
{
if(val > 1.0) return 127;
if(val < -1.0) return -128;
return (ALint)(val * 127.0);
}
static __inline ALbyte Conv_ALbyte_ALmulaw(ALmulaw val)
{ return Conv_ALbyte_ALshort(DecodeMuLaw(val)); }
static __inline ALbyte Conv_ALbyte_ALalaw(ALalaw val)
{ return Conv_ALbyte_ALshort(DecodeALaw(val)); }
static __inline ALbyte Conv_ALbyte_ALbyte3(ALbyte3 val)
{ return DecodeByte3(val)>>16; }
static __inline ALbyte Conv_ALbyte_ALubyte3(ALubyte3 val)
{ return (DecodeUByte3(val)>>16)-128; }
static __inline ALubyte Conv_ALubyte_ALbyte(ALbyte val)
{ return val+128; }
static __inline ALubyte Conv_ALubyte_ALubyte(ALubyte val)
{ return val; }
static __inline ALubyte Conv_ALubyte_ALshort(ALshort val)
{ return (val>>8)+128; }
static __inline ALubyte Conv_ALubyte_ALushort(ALushort val)
{ return val>>8; }
static __inline ALubyte Conv_ALubyte_ALint(ALint val)
{ return (val>>24)+128; }
static __inline ALubyte Conv_ALubyte_ALuint(ALuint val)
{ return val>>24; }
static __inline ALubyte Conv_ALubyte_ALfloat(ALfloat val)
{
if(val > 1.0f) return 255;
if(val < -1.0f) return 0;
return (ALint)(val * 127.0f) + 128;
}
static __inline ALubyte Conv_ALubyte_ALdouble(ALdouble val)
{
if(val > 1.0) return 255;
if(val < -1.0) return 0;
return (ALint)(val * 127.0) + 128;
}
static __inline ALubyte Conv_ALubyte_ALmulaw(ALmulaw val)
{ return Conv_ALubyte_ALshort(DecodeMuLaw(val)); }
static __inline ALubyte Conv_ALubyte_ALalaw(ALalaw val)
{ return Conv_ALubyte_ALshort(DecodeALaw(val)); }
static __inline ALubyte Conv_ALubyte_ALbyte3(ALbyte3 val)
{ return (DecodeByte3(val)>>16)+128; }
static __inline ALubyte Conv_ALubyte_ALubyte3(ALubyte3 val)
{ return DecodeUByte3(val)>>16; }
static __inline ALshort Conv_ALshort_ALbyte(ALbyte val)
{ return val<<8; }
static __inline ALshort Conv_ALshort_ALubyte(ALubyte val)
{ return (val-128)<<8; }
static __inline ALshort Conv_ALshort_ALshort(ALshort val)
{ return val; }
static __inline ALshort Conv_ALshort_ALushort(ALushort val)
{ return val-32768; }
static __inline ALshort Conv_ALshort_ALint(ALint val)
{ return val>>16; }
static __inline ALshort Conv_ALshort_ALuint(ALuint val)
{ return (val>>16)-32768; }
static __inline ALshort Conv_ALshort_ALfloat(ALfloat val)
{
if(val > 1.0f) return 32767;
if(val < -1.0f) return -32768;
return (ALint)(val * 32767.0f);
}
static __inline ALshort Conv_ALshort_ALdouble(ALdouble val)
{
if(val > 1.0) return 32767;
if(val < -1.0) return -32768;
return (ALint)(val * 32767.0);
}
static __inline ALshort Conv_ALshort_ALmulaw(ALmulaw val)
{ return Conv_ALshort_ALshort(DecodeMuLaw(val)); }
static __inline ALshort Conv_ALshort_ALalaw(ALalaw val)
{ return Conv_ALshort_ALshort(DecodeALaw(val)); }
static __inline ALshort Conv_ALshort_ALbyte3(ALbyte3 val)
{ return DecodeByte3(val)>>8; }
static __inline ALshort Conv_ALshort_ALubyte3(ALubyte3 val)
{ return (DecodeUByte3(val)>>8)-32768; }
static __inline ALushort Conv_ALushort_ALbyte(ALbyte val)
{ return (val+128)<<8; }
static __inline ALushort Conv_ALushort_ALubyte(ALubyte val)
{ return val<<8; }
static __inline ALushort Conv_ALushort_ALshort(ALshort val)
{ return val+32768; }
static __inline ALushort Conv_ALushort_ALushort(ALushort val)
{ return val; }
static __inline ALushort Conv_ALushort_ALint(ALint val)
{ return (val>>16)+32768; }
static __inline ALushort Conv_ALushort_ALuint(ALuint val)
{ return val>>16; }
static __inline ALushort Conv_ALushort_ALfloat(ALfloat val)
{
if(val > 1.0f) return 65535;
if(val < -1.0f) return 0;
return (ALint)(val * 32767.0f) + 32768;
}
static __inline ALushort Conv_ALushort_ALdouble(ALdouble val)
{
if(val > 1.0) return 65535;
if(val < -1.0) return 0;
return (ALint)(val * 32767.0) + 32768;
}
static __inline ALushort Conv_ALushort_ALmulaw(ALmulaw val)
{ return Conv_ALushort_ALshort(DecodeMuLaw(val)); }
static __inline ALushort Conv_ALushort_ALalaw(ALalaw val)
{ return Conv_ALushort_ALshort(DecodeALaw(val)); }
static __inline ALushort Conv_ALushort_ALbyte3(ALbyte3 val)
{ return (DecodeByte3(val)>>8)+32768; }
static __inline ALushort Conv_ALushort_ALubyte3(ALubyte3 val)
{ return DecodeUByte3(val)>>8; }
static __inline ALint Conv_ALint_ALbyte(ALbyte val)
{ return val<<24; }
static __inline ALint Conv_ALint_ALubyte(ALubyte val)
{ return (val-128)<<24; }
static __inline ALint Conv_ALint_ALshort(ALshort val)
{ return val<<16; }
static __inline ALint Conv_ALint_ALushort(ALushort val)
{ return (val-32768)<<16; }
static __inline ALint Conv_ALint_ALint(ALint val)
{ return val; }
static __inline ALint Conv_ALint_ALuint(ALuint val)
{ return val-2147483648u; }
static __inline ALint Conv_ALint_ALfloat(ALfloat val)
{
if(val > 1.0f) return 2147483647;
if(val < -1.0f) return -2147483647-1;
return (ALint)(val * 2147483647.0);
}
static __inline ALint Conv_ALint_ALdouble(ALdouble val)
{
if(val > 1.0) return 2147483647;
if(val < -1.0) return -2147483647-1;
return (ALint)(val * 2147483647.0);
}
static __inline ALint Conv_ALint_ALmulaw(ALmulaw val)
{ return Conv_ALint_ALshort(DecodeMuLaw(val)); }
static __inline ALint Conv_ALint_ALalaw(ALalaw val)
{ return Conv_ALint_ALshort(DecodeALaw(val)); }
static __inline ALint Conv_ALint_ALbyte3(ALbyte3 val)
{ return DecodeByte3(val)<<8; }
static __inline ALint Conv_ALint_ALubyte3(ALubyte3 val)
{ return (DecodeUByte3(val)-8388608)<<8; }
static __inline ALuint Conv_ALuint_ALbyte(ALbyte val)
{ return (val+128)<<24; }
static __inline ALuint Conv_ALuint_ALubyte(ALubyte val)
{ return val<<24; }
static __inline ALuint Conv_ALuint_ALshort(ALshort val)
{ return (val+32768)<<16; }
static __inline ALuint Conv_ALuint_ALushort(ALushort val)
{ return val<<16; }
static __inline ALuint Conv_ALuint_ALint(ALint val)
{ return val+2147483648u; }
static __inline ALuint Conv_ALuint_ALuint(ALuint val)
{ return val; }
static __inline ALuint Conv_ALuint_ALfloat(ALfloat val)
{
if(val > 1.0f) return 4294967295u;
if(val < -1.0f) return 0;
return (ALint)(val * 2147483647.0) + 2147483648u;
}
static __inline ALuint Conv_ALuint_ALdouble(ALdouble val)
{
if(val > 1.0) return 4294967295u;
if(val < -1.0) return 0;
return (ALint)(val * 2147483647.0) + 2147483648u;
}
static __inline ALuint Conv_ALuint_ALmulaw(ALmulaw val)
{ return Conv_ALuint_ALshort(DecodeMuLaw(val)); }
static __inline ALuint Conv_ALuint_ALalaw(ALalaw val)
{ return Conv_ALuint_ALshort(DecodeALaw(val)); }
static __inline ALuint Conv_ALuint_ALbyte3(ALbyte3 val)
{ return (DecodeByte3(val)+8388608)<<8; }
static __inline ALuint Conv_ALuint_ALubyte3(ALubyte3 val)
{ return DecodeUByte3(val)<<8; }
static __inline ALfloat Conv_ALfloat_ALbyte(ALbyte val)
{ return val * (1.0f/127.0f); }
static __inline ALfloat Conv_ALfloat_ALubyte(ALubyte val)
{ return (val-128) * (1.0f/127.0f); }
static __inline ALfloat Conv_ALfloat_ALshort(ALshort val)
{ return val * (1.0f/32767.0f); }
static __inline ALfloat Conv_ALfloat_ALushort(ALushort val)
{ return (val-32768) * (1.0f/32767.0f); }
static __inline ALfloat Conv_ALfloat_ALint(ALint val)
{ return (ALfloat)(val * (1.0/2147483647.0)); }
static __inline ALfloat Conv_ALfloat_ALuint(ALuint val)
{ return (ALfloat)((ALint)(val-2147483648u) * (1.0/2147483647.0)); }
static __inline ALfloat Conv_ALfloat_ALfloat(ALfloat val)
{ return (val==val) ? val : 0.0f; }
static __inline ALfloat Conv_ALfloat_ALdouble(ALdouble val)
{ return (val==val) ? (ALfloat)val : 0.0f; }
static __inline ALfloat Conv_ALfloat_ALmulaw(ALmulaw val)
{ return Conv_ALfloat_ALshort(DecodeMuLaw(val)); }
static __inline ALfloat Conv_ALfloat_ALalaw(ALalaw val)
{ return Conv_ALfloat_ALshort(DecodeALaw(val)); }
static __inline ALfloat Conv_ALfloat_ALbyte3(ALbyte3 val)
{ return (ALfloat)(DecodeByte3(val) * (1.0/8388607.0)); }
static __inline ALfloat Conv_ALfloat_ALubyte3(ALubyte3 val)
{ return (ALfloat)((DecodeUByte3(val)-8388608) * (1.0/8388607.0)); }
static __inline ALdouble Conv_ALdouble_ALbyte(ALbyte val)
{ return val * (1.0/127.0); }
static __inline ALdouble Conv_ALdouble_ALubyte(ALubyte val)
{ return (val-128) * (1.0/127.0); }
static __inline ALdouble Conv_ALdouble_ALshort(ALshort val)
{ return val * (1.0/32767.0); }
static __inline ALdouble Conv_ALdouble_ALushort(ALushort val)
{ return (val-32768) * (1.0/32767.0); }
static __inline ALdouble Conv_ALdouble_ALint(ALint val)
{ return val * (1.0/2147483647.0); }
static __inline ALdouble Conv_ALdouble_ALuint(ALuint val)
{ return (ALint)(val-2147483648u) * (1.0/2147483647.0); }
static __inline ALdouble Conv_ALdouble_ALfloat(ALfloat val)
{ return (val==val) ? val : 0.0f; }
static __inline ALdouble Conv_ALdouble_ALdouble(ALdouble val)
{ return (val==val) ? val : 0.0; }
static __inline ALdouble Conv_ALdouble_ALmulaw(ALmulaw val)
{ return Conv_ALdouble_ALshort(DecodeMuLaw(val)); }
static __inline ALdouble Conv_ALdouble_ALalaw(ALalaw val)
{ return Conv_ALdouble_ALshort(DecodeALaw(val)); }
static __inline ALdouble Conv_ALdouble_ALbyte3(ALbyte3 val)
{ return DecodeByte3(val) * (1.0/8388607.0); }
static __inline ALdouble Conv_ALdouble_ALubyte3(ALubyte3 val)
{ return (DecodeUByte3(val)-8388608) * (1.0/8388607.0); }
#define DECL_TEMPLATE(T) \
static __inline ALmulaw Conv_ALmulaw_##T(T val) \
{ return EncodeMuLaw(Conv_ALshort_##T(val)); }
DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALint)
DECL_TEMPLATE(ALuint)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
static __inline ALmulaw Conv_ALmulaw_ALmulaw(ALmulaw val)
{ return val; }
DECL_TEMPLATE(ALalaw)
DECL_TEMPLATE(ALbyte3)
DECL_TEMPLATE(ALubyte3)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T) \
static __inline ALalaw Conv_ALalaw_##T(T val) \
{ return EncodeALaw(Conv_ALshort_##T(val)); }
DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALint)
DECL_TEMPLATE(ALuint)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
static __inline ALalaw Conv_ALalaw_ALalaw(ALalaw val)
{ return val; }
DECL_TEMPLATE(ALbyte3)
DECL_TEMPLATE(ALubyte3)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T) \
static __inline ALbyte3 Conv_ALbyte3_##T(T val) \
{ return EncodeByte3(Conv_ALint_##T(val)>>8); }
DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALint)
DECL_TEMPLATE(ALuint)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
DECL_TEMPLATE(ALalaw)
static __inline ALbyte3 Conv_ALbyte3_ALbyte3(ALbyte3 val)
{ return val; }
DECL_TEMPLATE(ALubyte3)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T) \
static __inline ALubyte3 Conv_ALubyte3_##T(T val) \
{ return EncodeUByte3(Conv_ALuint_##T(val)>>8); }
DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALint)
DECL_TEMPLATE(ALuint)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
DECL_TEMPLATE(ALalaw)
DECL_TEMPLATE(ALbyte3)
static __inline ALubyte3 Conv_ALubyte3_ALubyte3(ALubyte3 val)
{ return val; }
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T1, T2) \
static void Convert_##T1##_##T2(T1 *dst, const T2 *src, ALuint numchans, \
ALuint len) \
{ \
ALuint i, j; \
for(i = 0;i < len;i++) \
{ \
for(j = 0;j < numchans;j++) \
*(dst++) = Conv_##T1##_##T2(*(src++)); \
} \
}
DECL_TEMPLATE(ALbyte, ALbyte)
DECL_TEMPLATE(ALbyte, ALubyte)
DECL_TEMPLATE(ALbyte, ALshort)
DECL_TEMPLATE(ALbyte, ALushort)
DECL_TEMPLATE(ALbyte, ALint)
DECL_TEMPLATE(ALbyte, ALuint)
DECL_TEMPLATE(ALbyte, ALfloat)
DECL_TEMPLATE(ALbyte, ALdouble)
DECL_TEMPLATE(ALbyte, ALmulaw)
DECL_TEMPLATE(ALbyte, ALalaw)
DECL_TEMPLATE(ALbyte, ALbyte3)
DECL_TEMPLATE(ALbyte, ALubyte3)
DECL_TEMPLATE(ALubyte, ALbyte)
DECL_TEMPLATE(ALubyte, ALubyte)
DECL_TEMPLATE(ALubyte, ALshort)
DECL_TEMPLATE(ALubyte, ALushort)
DECL_TEMPLATE(ALubyte, ALint)
DECL_TEMPLATE(ALubyte, ALuint)
DECL_TEMPLATE(ALubyte, ALfloat)
DECL_TEMPLATE(ALubyte, ALdouble)
DECL_TEMPLATE(ALubyte, ALmulaw)
DECL_TEMPLATE(ALubyte, ALalaw)
DECL_TEMPLATE(ALubyte, ALbyte3)
DECL_TEMPLATE(ALubyte, ALubyte3)
DECL_TEMPLATE(ALshort, ALbyte)
DECL_TEMPLATE(ALshort, ALubyte)
DECL_TEMPLATE(ALshort, ALshort)
DECL_TEMPLATE(ALshort, ALushort)
DECL_TEMPLATE(ALshort, ALint)
DECL_TEMPLATE(ALshort, ALuint)
DECL_TEMPLATE(ALshort, ALfloat)
DECL_TEMPLATE(ALshort, ALdouble)
DECL_TEMPLATE(ALshort, ALmulaw)
DECL_TEMPLATE(ALshort, ALalaw)
DECL_TEMPLATE(ALshort, ALbyte3)
DECL_TEMPLATE(ALshort, ALubyte3)
DECL_TEMPLATE(ALushort, ALbyte)
DECL_TEMPLATE(ALushort, ALubyte)
DECL_TEMPLATE(ALushort, ALshort)
DECL_TEMPLATE(ALushort, ALushort)
DECL_TEMPLATE(ALushort, ALint)
DECL_TEMPLATE(ALushort, ALuint)
DECL_TEMPLATE(ALushort, ALfloat)
DECL_TEMPLATE(ALushort, ALdouble)
DECL_TEMPLATE(ALushort, ALmulaw)
DECL_TEMPLATE(ALushort, ALalaw)
DECL_TEMPLATE(ALushort, ALbyte3)
DECL_TEMPLATE(ALushort, ALubyte3)
DECL_TEMPLATE(ALint, ALbyte)
DECL_TEMPLATE(ALint, ALubyte)
DECL_TEMPLATE(ALint, ALshort)
DECL_TEMPLATE(ALint, ALushort)
DECL_TEMPLATE(ALint, ALint)
DECL_TEMPLATE(ALint, ALuint)
DECL_TEMPLATE(ALint, ALfloat)
DECL_TEMPLATE(ALint, ALdouble)
DECL_TEMPLATE(ALint, ALmulaw)
DECL_TEMPLATE(ALint, ALalaw)
DECL_TEMPLATE(ALint, ALbyte3)
DECL_TEMPLATE(ALint, ALubyte3)
DECL_TEMPLATE(ALuint, ALbyte)
DECL_TEMPLATE(ALuint, ALubyte)
DECL_TEMPLATE(ALuint, ALshort)
DECL_TEMPLATE(ALuint, ALushort)
DECL_TEMPLATE(ALuint, ALint)
DECL_TEMPLATE(ALuint, ALuint)
DECL_TEMPLATE(ALuint, ALfloat)
DECL_TEMPLATE(ALuint, ALdouble)
DECL_TEMPLATE(ALuint, ALmulaw)
DECL_TEMPLATE(ALuint, ALalaw)
DECL_TEMPLATE(ALuint, ALbyte3)
DECL_TEMPLATE(ALuint, ALubyte3)
DECL_TEMPLATE(ALfloat, ALbyte)
DECL_TEMPLATE(ALfloat, ALubyte)
DECL_TEMPLATE(ALfloat, ALshort)
DECL_TEMPLATE(ALfloat, ALushort)
DECL_TEMPLATE(ALfloat, ALint)
DECL_TEMPLATE(ALfloat, ALuint)
DECL_TEMPLATE(ALfloat, ALfloat)
DECL_TEMPLATE(ALfloat, ALdouble)
DECL_TEMPLATE(ALfloat, ALmulaw)
DECL_TEMPLATE(ALfloat, ALalaw)
DECL_TEMPLATE(ALfloat, ALbyte3)
DECL_TEMPLATE(ALfloat, ALubyte3)
DECL_TEMPLATE(ALdouble, ALbyte)
DECL_TEMPLATE(ALdouble, ALubyte)
DECL_TEMPLATE(ALdouble, ALshort)
DECL_TEMPLATE(ALdouble, ALushort)
DECL_TEMPLATE(ALdouble, ALint)
DECL_TEMPLATE(ALdouble, ALuint)
DECL_TEMPLATE(ALdouble, ALfloat)
DECL_TEMPLATE(ALdouble, ALdouble)
DECL_TEMPLATE(ALdouble, ALmulaw)
DECL_TEMPLATE(ALdouble, ALalaw)
DECL_TEMPLATE(ALdouble, ALbyte3)
DECL_TEMPLATE(ALdouble, ALubyte3)
DECL_TEMPLATE(ALmulaw, ALbyte)
DECL_TEMPLATE(ALmulaw, ALubyte)
DECL_TEMPLATE(ALmulaw, ALshort)
DECL_TEMPLATE(ALmulaw, ALushort)
DECL_TEMPLATE(ALmulaw, ALint)
DECL_TEMPLATE(ALmulaw, ALuint)
DECL_TEMPLATE(ALmulaw, ALfloat)
DECL_TEMPLATE(ALmulaw, ALdouble)
DECL_TEMPLATE(ALmulaw, ALmulaw)
DECL_TEMPLATE(ALmulaw, ALalaw)
DECL_TEMPLATE(ALmulaw, ALbyte3)
DECL_TEMPLATE(ALmulaw, ALubyte3)
DECL_TEMPLATE(ALalaw, ALbyte)
DECL_TEMPLATE(ALalaw, ALubyte)
DECL_TEMPLATE(ALalaw, ALshort)
DECL_TEMPLATE(ALalaw, ALushort)
DECL_TEMPLATE(ALalaw, ALint)
DECL_TEMPLATE(ALalaw, ALuint)
DECL_TEMPLATE(ALalaw, ALfloat)
DECL_TEMPLATE(ALalaw, ALdouble)
DECL_TEMPLATE(ALalaw, ALmulaw)
DECL_TEMPLATE(ALalaw, ALalaw)
DECL_TEMPLATE(ALalaw, ALbyte3)
DECL_TEMPLATE(ALalaw, ALubyte3)
DECL_TEMPLATE(ALbyte3, ALbyte)
DECL_TEMPLATE(ALbyte3, ALubyte)
DECL_TEMPLATE(ALbyte3, ALshort)
DECL_TEMPLATE(ALbyte3, ALushort)
DECL_TEMPLATE(ALbyte3, ALint)
DECL_TEMPLATE(ALbyte3, ALuint)
DECL_TEMPLATE(ALbyte3, ALfloat)
DECL_TEMPLATE(ALbyte3, ALdouble)
DECL_TEMPLATE(ALbyte3, ALmulaw)
DECL_TEMPLATE(ALbyte3, ALalaw)
DECL_TEMPLATE(ALbyte3, ALbyte3)
DECL_TEMPLATE(ALbyte3, ALubyte3)
DECL_TEMPLATE(ALubyte3, ALbyte)
DECL_TEMPLATE(ALubyte3, ALubyte)
DECL_TEMPLATE(ALubyte3, ALshort)
DECL_TEMPLATE(ALubyte3, ALushort)
DECL_TEMPLATE(ALubyte3, ALint)
DECL_TEMPLATE(ALubyte3, ALuint)
DECL_TEMPLATE(ALubyte3, ALfloat)
DECL_TEMPLATE(ALubyte3, ALdouble)
DECL_TEMPLATE(ALubyte3, ALmulaw)
DECL_TEMPLATE(ALubyte3, ALalaw)
DECL_TEMPLATE(ALubyte3, ALbyte3)
DECL_TEMPLATE(ALubyte3, ALubyte3)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T) \
static void Convert_##T##_ALima4(T *dst, const ALima4 *src, ALuint numchans, \
ALuint len) \
{ \
ALshort tmp[65*MaxChannels]; /* Max samples an IMA4 frame can be */ \
ALuint i, j, k; \
\
i = 0; \
while(i < len) \
{ \
DecodeIMA4Block(tmp, src, numchans); \
src += 36*numchans; \
\
for(j = 0;j < 65 && i < len;j++,i++) \
{ \
for(k = 0;k < numchans;k++) \
*(dst++) = Conv_##T##_ALshort(tmp[j*numchans + k]); \
} \
} \
}
DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALint)
DECL_TEMPLATE(ALuint)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
DECL_TEMPLATE(ALalaw)
DECL_TEMPLATE(ALbyte3)
DECL_TEMPLATE(ALubyte3)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T) \
static void Convert_ALima4_##T(ALima4 *dst, const T *src, ALuint numchans, \
ALuint len) \
{ \
ALshort tmp[65*MaxChannels]; /* Max samples an IMA4 frame can be */ \
ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0}; \
ALint index[MaxChannels] = {0,0,0,0,0,0,0,0}; \
ALuint i, j; \
\
for(i = 0;i < len;i += 65) \
{ \
for(j = 0;j < 65*numchans;j++) \
tmp[j] = Conv_ALshort_##T(*(src++)); \
EncodeIMA4Block(dst, tmp, sample, index, numchans); \
dst += 36*numchans; \
} \
}
DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALint)
DECL_TEMPLATE(ALuint)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
DECL_TEMPLATE(ALalaw)
static void Convert_ALima4_ALima4(ALima4 *dst, const ALima4 *src,
ALuint numchans, ALuint numblocks)
{ memcpy(dst, src, numblocks*36*numchans); }
DECL_TEMPLATE(ALbyte3)
DECL_TEMPLATE(ALubyte3)
#undef DECL_TEMPLATE
#define DECL_TEMPLATE(T) \
static void Convert_##T(T *dst, const ALvoid *src, enum UserFmtType srcType, \
ALsizei numchans, ALsizei len) \
{ \
switch(srcType) \
{ \
case UserFmtByte: \
Convert_##T##_ALbyte(dst, src, numchans, len); \
break; \
case UserFmtUByte: \
Convert_##T##_ALubyte(dst, src, numchans, len); \
break; \
case UserFmtShort: \
Convert_##T##_ALshort(dst, src, numchans, len); \
break; \
case UserFmtUShort: \
Convert_##T##_ALushort(dst, src, numchans, len); \
break; \
case UserFmtInt: \
Convert_##T##_ALint(dst, src, numchans, len); \
break; \
case UserFmtUInt: \
Convert_##T##_ALuint(dst, src, numchans, len); \
break; \
case UserFmtFloat: \
Convert_##T##_ALfloat(dst, src, numchans, len); \
break; \
case UserFmtDouble: \
Convert_##T##_ALdouble(dst, src, numchans, len); \
break; \
case UserFmtMulaw: \
Convert_##T##_ALmulaw(dst, src, numchans, len); \
break; \
case UserFmtAlaw: \
Convert_##T##_ALalaw(dst, src, numchans, len); \
break; \
case UserFmtIMA4: \
Convert_##T##_ALima4(dst, src, numchans, len); \
break; \
case UserFmtByte3: \
Convert_##T##_ALbyte3(dst, src, numchans, len); \
break; \
case UserFmtUByte3: \
Convert_##T##_ALubyte3(dst, src, numchans, len); \
break; \
} \
}
DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALint)
DECL_TEMPLATE(ALuint)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
DECL_TEMPLATE(ALalaw)
DECL_TEMPLATE(ALima4)
DECL_TEMPLATE(ALbyte3)
DECL_TEMPLATE(ALubyte3)
#undef DECL_TEMPLATE
static void ConvertData(ALvoid *dst, enum UserFmtType dstType, const ALvoid *src, enum UserFmtType srcType, ALsizei numchans, ALsizei len)
{
switch(dstType)
{
case UserFmtByte:
Convert_ALbyte(dst, src, srcType, numchans, len);
break;
case UserFmtUByte:
Convert_ALubyte(dst, src, srcType, numchans, len);
break;
case UserFmtShort:
Convert_ALshort(dst, src, srcType, numchans, len);
break;
case UserFmtUShort:
Convert_ALushort(dst, src, srcType, numchans, len);
break;
case UserFmtInt:
Convert_ALint(dst, src, srcType, numchans, len);
break;
case UserFmtUInt:
Convert_ALuint(dst, src, srcType, numchans, len);
break;
case UserFmtFloat:
Convert_ALfloat(dst, src, srcType, numchans, len);
break;
case UserFmtDouble:
Convert_ALdouble(dst, src, srcType, numchans, len);
break;
case UserFmtMulaw:
Convert_ALmulaw(dst, src, srcType, numchans, len);
break;
case UserFmtAlaw:
Convert_ALalaw(dst, src, srcType, numchans, len);
break;
case UserFmtIMA4:
Convert_ALima4(dst, src, srcType, numchans, len);
break;
case UserFmtByte3:
Convert_ALbyte3(dst, src, srcType, numchans, len);
break;
case UserFmtUByte3:
Convert_ALubyte3(dst, src, srcType, numchans, len);
break;
}
}
/*
* LoadData
*
* Loads the specified data into the buffer, using the specified formats.
* Currently, the new format must have the same channel configuration as the
* original format.
*/
static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels SrcChannels, enum UserFmtType SrcType, const ALvoid *data, ALboolean storesrc)
{
ALuint NewChannels, NewBytes;
enum FmtChannels DstChannels;
enum FmtType DstType;
ALuint64 newsize;
ALvoid *temp;
if(DecomposeFormat(NewFormat, &DstChannels, &DstType) == AL_FALSE ||
(long)SrcChannels != (long)DstChannels)
return AL_INVALID_ENUM;
NewChannels = ChannelsFromFmt(DstChannels);
NewBytes = BytesFromFmt(DstType);
newsize = frames;
newsize *= NewBytes;
newsize *= NewChannels;
if(newsize > INT_MAX)
return AL_OUT_OF_MEMORY;
WriteLock(&ALBuf->lock);
if(ALBuf->ref != 0)
{
WriteUnlock(&ALBuf->lock);
return AL_INVALID_OPERATION;
}
temp = realloc(ALBuf->data, (size_t)newsize);
if(!temp && newsize)
{
WriteUnlock(&ALBuf->lock);
return AL_OUT_OF_MEMORY;
}
ALBuf->data = temp;
if(data != NULL)
ConvertData(ALBuf->data, DstType, data, SrcType, NewChannels, frames);
if(storesrc)
{
ALBuf->OriginalChannels = SrcChannels;
ALBuf->OriginalType = SrcType;
if(SrcType == UserFmtIMA4)
ALBuf->OriginalSize = frames / 65 * 36 * ChannelsFromUserFmt(SrcChannels);
else
ALBuf->OriginalSize = frames * FrameSizeFromUserFmt(SrcChannels, SrcType);
}
else
{
ALBuf->OriginalChannels = DstChannels;
ALBuf->OriginalType = DstType;
ALBuf->OriginalSize = frames * NewBytes * NewChannels;
}
ALBuf->Frequency = freq;
ALBuf->FmtChannels = DstChannels;
ALBuf->FmtType = DstType;
ALBuf->Format = NewFormat;
ALBuf->SampleLen = frames;
ALBuf->LoopStart = 0;
ALBuf->LoopEnd = ALBuf->SampleLen;
WriteUnlock(&ALBuf->lock);
return AL_NO_ERROR;
}
ALuint BytesFromUserFmt(enum UserFmtType type)
{
switch(type)
{
case UserFmtByte: return sizeof(ALbyte);
case UserFmtUByte: return sizeof(ALubyte);
case UserFmtShort: return sizeof(ALshort);
case UserFmtUShort: return sizeof(ALushort);
case UserFmtInt: return sizeof(ALint);
case UserFmtUInt: return sizeof(ALuint);
case UserFmtFloat: return sizeof(ALfloat);
case UserFmtDouble: return sizeof(ALdouble);
case UserFmtByte3: return sizeof(ALbyte3);
case UserFmtUByte3: return sizeof(ALubyte3);
case UserFmtMulaw: return sizeof(ALubyte);
case UserFmtAlaw: return sizeof(ALubyte);
case UserFmtIMA4: break; /* not handled here */
}
return 0;
}
ALuint ChannelsFromUserFmt(enum UserFmtChannels chans)
{
switch(chans)
{
case UserFmtMono: return 1;
case UserFmtStereo: return 2;
case UserFmtRear: return 2;
case UserFmtQuad: return 4;
case UserFmtX51: return 6;
case UserFmtX61: return 7;
case UserFmtX71: return 8;
}
return 0;
}
static ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans,
enum UserFmtType *type)
{
static const struct {
ALenum format;
enum UserFmtChannels channels;
enum UserFmtType type;
} list[] = {
{ AL_FORMAT_MONO8, UserFmtMono, UserFmtUByte },
{ AL_FORMAT_MONO16, UserFmtMono, UserFmtShort },
{ AL_FORMAT_MONO_FLOAT32, UserFmtMono, UserFmtFloat },
{ AL_FORMAT_MONO_DOUBLE_EXT, UserFmtMono, UserFmtDouble },
{ AL_FORMAT_MONO_IMA4, UserFmtMono, UserFmtIMA4 },
{ AL_FORMAT_MONO_MULAW, UserFmtMono, UserFmtMulaw },
{ AL_FORMAT_MONO_ALAW_EXT, UserFmtMono, UserFmtAlaw },
{ AL_FORMAT_STEREO8, UserFmtStereo, UserFmtUByte },
{ AL_FORMAT_STEREO16, UserFmtStereo, UserFmtShort },
{ AL_FORMAT_STEREO_FLOAT32, UserFmtStereo, UserFmtFloat },
{ AL_FORMAT_STEREO_DOUBLE_EXT, UserFmtStereo, UserFmtDouble },
{ AL_FORMAT_STEREO_IMA4, UserFmtStereo, UserFmtIMA4 },
{ AL_FORMAT_STEREO_MULAW, UserFmtStereo, UserFmtMulaw },
{ AL_FORMAT_STEREO_ALAW_EXT, UserFmtStereo, UserFmtAlaw },
{ AL_FORMAT_REAR8, UserFmtRear, UserFmtUByte },
{ AL_FORMAT_REAR16, UserFmtRear, UserFmtShort },
{ AL_FORMAT_REAR32, UserFmtRear, UserFmtFloat },
{ AL_FORMAT_REAR_MULAW, UserFmtRear, UserFmtMulaw },
{ AL_FORMAT_QUAD8_LOKI, UserFmtQuad, UserFmtUByte },
{ AL_FORMAT_QUAD16_LOKI, UserFmtQuad, UserFmtShort },
{ AL_FORMAT_QUAD8, UserFmtQuad, UserFmtUByte },
{ AL_FORMAT_QUAD16, UserFmtQuad, UserFmtShort },
{ AL_FORMAT_QUAD32, UserFmtQuad, UserFmtFloat },
{ AL_FORMAT_QUAD_MULAW, UserFmtQuad, UserFmtMulaw },
{ AL_FORMAT_51CHN8, UserFmtX51, UserFmtUByte },
{ AL_FORMAT_51CHN16, UserFmtX51, UserFmtShort },
{ AL_FORMAT_51CHN32, UserFmtX51, UserFmtFloat },
{ AL_FORMAT_51CHN_MULAW, UserFmtX51, UserFmtMulaw },
{ AL_FORMAT_61CHN8, UserFmtX61, UserFmtUByte },
{ AL_FORMAT_61CHN16, UserFmtX61, UserFmtShort },
{ AL_FORMAT_61CHN32, UserFmtX61, UserFmtFloat },
{ AL_FORMAT_61CHN_MULAW, UserFmtX61, UserFmtMulaw },
{ AL_FORMAT_71CHN8, UserFmtX71, UserFmtUByte },
{ AL_FORMAT_71CHN16, UserFmtX71, UserFmtShort },
{ AL_FORMAT_71CHN32, UserFmtX71, UserFmtFloat },
{ AL_FORMAT_71CHN_MULAW, UserFmtX71, UserFmtMulaw },
};
ALuint i;
for(i = 0;i < COUNTOF(list);i++)
{
if(list[i].format == format)
{
*chans = list[i].channels;
*type = list[i].type;
return AL_TRUE;
}
}
return AL_FALSE;
}
ALuint BytesFromFmt(enum FmtType type)
{
switch(type)
{
case FmtByte: return sizeof(ALbyte);
case FmtShort: return sizeof(ALshort);
case FmtFloat: return sizeof(ALfloat);
}
return 0;
}
ALuint ChannelsFromFmt(enum FmtChannels chans)
{
switch(chans)
{
case FmtMono: return 1;
case FmtStereo: return 2;
case FmtRear: return 2;
case FmtQuad: return 4;
case FmtX51: return 6;
case FmtX61: return 7;
case FmtX71: return 8;
}
return 0;
}
static ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum FmtType *type)
{
static const struct {
ALenum format;
enum FmtChannels channels;
enum FmtType type;
} list[] = {
{ AL_MONO8_SOFT, FmtMono, FmtByte },
{ AL_MONO16_SOFT, FmtMono, FmtShort },
{ AL_MONO32F_SOFT, FmtMono, FmtFloat },
{ AL_STEREO8_SOFT, FmtStereo, FmtByte },
{ AL_STEREO16_SOFT, FmtStereo, FmtShort },
{ AL_STEREO32F_SOFT, FmtStereo, FmtFloat },
{ AL_REAR8_SOFT, FmtRear, FmtByte },
{ AL_REAR16_SOFT, FmtRear, FmtShort },
{ AL_REAR32F_SOFT, FmtRear, FmtFloat },
{ AL_FORMAT_QUAD8_LOKI, FmtQuad, FmtByte },
{ AL_FORMAT_QUAD16_LOKI, FmtQuad, FmtShort },
{ AL_QUAD8_SOFT, FmtQuad, FmtByte },
{ AL_QUAD16_SOFT, FmtQuad, FmtShort },
{ AL_QUAD32F_SOFT, FmtQuad, FmtFloat },
{ AL_5POINT1_8_SOFT, FmtX51, FmtByte },
{ AL_5POINT1_16_SOFT, FmtX51, FmtShort },
{ AL_5POINT1_32F_SOFT, FmtX51, FmtFloat },
{ AL_6POINT1_8_SOFT, FmtX61, FmtByte },
{ AL_6POINT1_16_SOFT, FmtX61, FmtShort },
{ AL_6POINT1_32F_SOFT, FmtX61, FmtFloat },
{ AL_7POINT1_8_SOFT, FmtX71, FmtByte },
{ AL_7POINT1_16_SOFT, FmtX71, FmtShort },
{ AL_7POINT1_32F_SOFT, FmtX71, FmtFloat },
};
ALuint i;
for(i = 0;i < COUNTOF(list);i++)
{
if(list[i].format == format)
{
*chans = list[i].channels;
*type = list[i].type;
return AL_TRUE;
}
}
return AL_FALSE;
}
static ALboolean IsValidType(ALenum type)
{
switch(type)
{
case AL_BYTE_SOFT:
case AL_UNSIGNED_BYTE_SOFT:
case AL_SHORT_SOFT:
case AL_UNSIGNED_SHORT_SOFT:
case AL_INT_SOFT:
case AL_UNSIGNED_INT_SOFT:
case AL_FLOAT_SOFT:
case AL_DOUBLE_SOFT:
case AL_BYTE3_SOFT:
case AL_UNSIGNED_BYTE3_SOFT:
return AL_TRUE;
}
return AL_FALSE;
}
static ALboolean IsValidChannels(ALenum channels)
{
switch(channels)
{
case AL_MONO_SOFT:
case AL_STEREO_SOFT:
case AL_REAR_SOFT:
case AL_QUAD_SOFT:
case AL_5POINT1_SOFT:
case AL_6POINT1_SOFT:
case AL_7POINT1_SOFT:
return AL_TRUE;
}
return AL_FALSE;
}
/*
* ReleaseALBuffers()
*
* INTERNAL: Called to destroy any buffers that still exist on the device
*/
ALvoid ReleaseALBuffers(ALCdevice *device)
{
ALsizei i;
for(i = 0;i < device->BufferMap.size;i++)
{
ALbuffer *temp = device->BufferMap.array[i].value;
device->BufferMap.array[i].value = NULL;
free(temp->data);
FreeThunkEntry(temp->id);
memset(temp, 0, sizeof(ALbuffer));
free(temp);
}
}