1279 lines
38 KiB
C
1279 lines
38 KiB
C
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <assert.h>
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#include "alMain.h"
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "alError.h"
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#include "alBuffer.h"
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#include "alDatabuffer.h"
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#include "alThunk.h"
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static ALenum LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat);
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static void ConvertData(ALfloat *dst, const ALvoid *src, ALint origBytes, ALsizei len);
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static void ConvertDataRear(ALfloat *dst, const ALvoid *src, ALint origBytes, ALsizei len);
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static void ConvertDataIMA4(ALfloat *dst, const ALvoid *src, ALint origChans, ALsizei len);
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static void ConvertDataMULaw(ALfloat *dst, const ALvoid *src, ALsizei len);
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static void ConvertDataMULawRear(ALfloat *dst, const ALvoid *src, ALsizei len);
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#define LookupBuffer(m, k) ((ALbuffer*)LookupUIntMapKey(&(m), (k)))
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/*
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* Global Variables
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*/
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static const long g_IMAStep_size[89]={ // IMA ADPCM Stepsize table
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7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 19, 21, 23, 25, 28, 31,
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34, 37, 41, 45, 50, 55, 60, 66, 73, 80, 88, 97, 107, 118, 130, 143,
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157, 173, 190, 209, 230, 253, 279, 307, 337, 371, 408, 449, 494, 544, 598, 658,
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724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066, 2272, 2499, 2749, 3024,
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3327, 3660, 4026, 4428, 4871, 5358, 5894, 6484, 7132, 7845, 8630, 9493,10442,11487,12635,13899,
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15289,16818,18500,20350,22358,24633,27086,29794,32767
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};
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static const long g_IMACodeword_4[16]={ // IMA4 ADPCM Codeword decode table
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1, 3, 5, 7, 9, 11, 13, 15,
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-1,-3,-5,-7,-9,-11,-13,-15,
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};
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static const long g_IMAIndex_adjust_4[16]={ // IMA4 ADPCM Step index adjust decode table
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-1,-1,-1,-1, 2, 4, 6, 8,
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-1,-1,-1,-1, 2, 4, 6, 8
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};
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static const ALshort muLawDecompressionTable[256] = {
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-32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956,
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-23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764,
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-15996,-15484,-14972,-14460,-13948,-13436,-12924,-12412,
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-11900,-11388,-10876,-10364, -9852, -9340, -8828, -8316,
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-7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
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-5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
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-3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
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-2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
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-1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
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-1372, -1308, -1244, -1180, -1116, -1052, -988, -924,
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-876, -844, -812, -780, -748, -716, -684, -652,
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-620, -588, -556, -524, -492, -460, -428, -396,
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-372, -356, -340, -324, -308, -292, -276, -260,
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-244, -228, -212, -196, -180, -164, -148, -132,
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-120, -112, -104, -96, -88, -80, -72, -64,
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-56, -48, -40, -32, -24, -16, -8, 0,
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32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
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23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
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15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
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11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316,
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7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140,
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5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092,
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3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004,
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2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980,
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1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436,
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1372, 1308, 1244, 1180, 1116, 1052, 988, 924,
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876, 844, 812, 780, 748, 716, 684, 652,
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620, 588, 556, 524, 492, 460, 428, 396,
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372, 356, 340, 324, 308, 292, 276, 260,
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244, 228, 212, 196, 180, 164, 148, 132,
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120, 112, 104, 96, 88, 80, 72, 64,
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56, 48, 40, 32, 24, 16, 8, 0
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};
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/*
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* alGenBuffers(ALsizei n, ALuint *puiBuffers)
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*
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* Generates n AL Buffers, and stores the Buffers Names in the array pointed to by puiBuffers
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*/
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AL_API ALvoid AL_APIENTRY alGenBuffers(ALsizei n, ALuint *buffers)
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{
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ALCcontext *Context;
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ALsizei i=0;
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Context = GetContextSuspended();
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if(!Context) return;
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// Check that we are actually generation some Buffers
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if(n > 0)
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{
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ALCdevice *device = Context->Device;
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ALenum err;
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// Check the pointer is valid (and points to enough memory to store Buffer Names)
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if(!IsBadWritePtr((void*)buffers, n * sizeof(ALuint)))
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{
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// Create all the new Buffers
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while(i < n)
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{
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ALbuffer *buffer = calloc(1, sizeof(ALbuffer));
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if(!buffer)
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{
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alSetError(Context, AL_OUT_OF_MEMORY);
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alDeleteBuffers(i, buffers);
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break;
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}
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buffer->buffer = (ALuint)ALTHUNK_ADDENTRY(buffer);
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err = InsertUIntMapEntry(&device->BufferMap, buffer->buffer,
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buffer);
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if(err != AL_NO_ERROR)
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{
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ALTHUNK_REMOVEENTRY(buffer->buffer);
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memset(buffer, 0, sizeof(ALbuffer));
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free(buffer);
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alSetError(Context, err);
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alDeleteBuffers(i, buffers);
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break;
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}
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buffers[i++] = buffer->buffer;
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}
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}
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else
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{
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// Pointer does not point to enough memory to write Buffer names
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alSetError(Context, AL_INVALID_VALUE);
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}
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}
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ProcessContext(Context);
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}
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/*
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* alDeleteBuffers(ALsizei n, ALuint *puiBuffers)
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*
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* Deletes the n AL Buffers pointed to by puiBuffers
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*/
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AL_API ALvoid AL_APIENTRY alDeleteBuffers(ALsizei n, const ALuint *puiBuffers)
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{
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ALCcontext *Context;
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ALbuffer *ALBuf;
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ALsizei i;
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ALboolean bFailed = AL_FALSE;
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Context = GetContextSuspended();
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if(!Context) return;
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// Check we are actually Deleting some Buffers
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if (n >= 0)
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{
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ALCdevice *device = Context->Device;
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// Check that all the buffers are valid and can actually be deleted
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for (i = 0; i < n; i++)
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{
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if(!puiBuffers[i])
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continue;
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// Check for valid Buffer ID (can be NULL buffer)
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if((ALBuf=LookupBuffer(device->BufferMap, puiBuffers[i])) != NULL)
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{
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if(ALBuf->refcount != 0)
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{
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// Buffer still in use, cannot be deleted
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alSetError(Context, AL_INVALID_OPERATION);
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bFailed = AL_TRUE;
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break;
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}
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}
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else
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{
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// Invalid Buffer
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alSetError(Context, AL_INVALID_NAME);
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bFailed = AL_TRUE;
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break;
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}
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}
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// If all the Buffers were valid (and have Reference Counts of 0), then we can delete them
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if (!bFailed)
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{
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for (i = 0; i < n; i++)
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{
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if((ALBuf=LookupBuffer(device->BufferMap, puiBuffers[i])) != NULL)
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{
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// Release the memory used to store audio data
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free(ALBuf->data);
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// Release buffer structure
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RemoveUIntMapKey(&device->BufferMap, ALBuf->buffer);
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ALTHUNK_REMOVEENTRY(ALBuf->buffer);
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memset(ALBuf, 0, sizeof(ALbuffer));
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free(ALBuf);
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}
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}
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}
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}
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else
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alSetError(Context, AL_INVALID_VALUE);
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ProcessContext(Context);
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}
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/*
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* alIsBuffer(ALuint uiBuffer)
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*
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* Checks if ulBuffer is a valid Buffer Name
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*/
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AL_API ALboolean AL_APIENTRY alIsBuffer(ALuint uiBuffer)
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{
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ALCcontext *Context;
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ALboolean result = AL_TRUE;
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Context = GetContextSuspended();
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if(!Context) return AL_FALSE;
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if(uiBuffer)
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result = (LookupBuffer(Context->Device->BufferMap, uiBuffer) ?
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AL_TRUE : AL_FALSE);
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ProcessContext(Context);
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return result;
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}
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/*
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* alBufferData(ALuint buffer,ALenum format,ALvoid *data,ALsizei size,ALsizei freq)
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*
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* Fill buffer with audio data
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*/
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AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid *data,ALsizei size,ALsizei freq)
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{
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ALCcontext *Context;
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ALCdevice *device;
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ALbuffer *ALBuf;
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ALvoid *temp;
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ALenum err;
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Context = GetContextSuspended();
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if(!Context) return;
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device = Context->Device;
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if((ALBuf=LookupBuffer(device->BufferMap, buffer)) != NULL)
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{
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if(Context->SampleSource)
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{
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ALintptrEXT offset;
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if(Context->SampleSource->state == MAPPED)
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{
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alSetError(Context, AL_INVALID_OPERATION);
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ProcessContext(Context);
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return;
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}
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offset = (const ALubyte*)data - (ALubyte*)NULL;
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data = Context->SampleSource->data + offset;
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}
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if ((ALBuf->refcount==0)&&(data))
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{
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switch(format)
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{
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case AL_FORMAT_MONO8:
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case AL_FORMAT_MONO16:
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case AL_FORMAT_MONO_FLOAT32:
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case AL_FORMAT_MONO_DOUBLE_EXT:
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err = LoadData(ALBuf, data, size, freq, format, AL_FORMAT_MONO_FLOAT32);
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if(err != AL_NO_ERROR)
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alSetError(Context, err);
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break;
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case AL_FORMAT_STEREO8:
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case AL_FORMAT_STEREO16:
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case AL_FORMAT_STEREO_FLOAT32:
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case AL_FORMAT_STEREO_DOUBLE_EXT:
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err = LoadData(ALBuf, data, size, freq, format, AL_FORMAT_STEREO_FLOAT32);
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if(err != AL_NO_ERROR)
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alSetError(Context, err);
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break;
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case AL_FORMAT_REAR8:
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case AL_FORMAT_REAR16:
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case AL_FORMAT_REAR32: {
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ALenum NewFormat = AL_FORMAT_QUAD32;
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ALuint NewChannels = aluChannelsFromFormat(NewFormat);
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ALuint NewBytes = aluBytesFromFormat(NewFormat);
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ALuint OrigBytes = ((format==AL_FORMAT_REAR8) ? 1 :
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((format==AL_FORMAT_REAR16) ? 2 :
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4));
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if((size%(OrigBytes*2)) != 0)
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{
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alSetError(Context, AL_INVALID_VALUE);
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break;
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}
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size /= OrigBytes;
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size *= 2;
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// Samples are converted here
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temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + size) * NewBytes);
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if(temp)
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{
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ALBuf->data = temp;
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ConvertDataRear(ALBuf->data, data, OrigBytes, size);
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ALBuf->format = NewFormat;
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ALBuf->eOriginalFormat = format;
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ALBuf->size = size*NewBytes;
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ALBuf->frequency = freq;
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}
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else
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alSetError(Context, AL_OUT_OF_MEMORY);
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} break;
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case AL_FORMAT_QUAD8_LOKI:
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case AL_FORMAT_QUAD16_LOKI:
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case AL_FORMAT_QUAD8:
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case AL_FORMAT_QUAD16:
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case AL_FORMAT_QUAD32:
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err = LoadData(ALBuf, data, size, freq, format, AL_FORMAT_QUAD32);
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if(err != AL_NO_ERROR)
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alSetError(Context, err);
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break;
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case AL_FORMAT_51CHN8:
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case AL_FORMAT_51CHN16:
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case AL_FORMAT_51CHN32:
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err = LoadData(ALBuf, data, size, freq, format, AL_FORMAT_51CHN32);
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if(err != AL_NO_ERROR)
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alSetError(Context, err);
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break;
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case AL_FORMAT_61CHN8:
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case AL_FORMAT_61CHN16:
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case AL_FORMAT_61CHN32:
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err = LoadData(ALBuf, data, size, freq, format, AL_FORMAT_61CHN32);
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if(err != AL_NO_ERROR)
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alSetError(Context, err);
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break;
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case AL_FORMAT_71CHN8:
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case AL_FORMAT_71CHN16:
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case AL_FORMAT_71CHN32:
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err = LoadData(ALBuf, data, size, freq, format, AL_FORMAT_71CHN32);
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if(err != AL_NO_ERROR)
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alSetError(Context, err);
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break;
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case AL_FORMAT_MONO_IMA4:
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case AL_FORMAT_STEREO_IMA4: {
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int OrigChans = ((format==AL_FORMAT_MONO_IMA4) ? 1 : 2);
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ALenum NewFormat = ((OrigChans==1) ? AL_FORMAT_MONO_FLOAT32 :
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AL_FORMAT_STEREO_FLOAT32);
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ALuint NewBytes = aluBytesFromFormat(NewFormat);
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// Here is where things vary:
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// nVidia and Apple use 64+1 samples per channel per block => block_size=36*chans bytes
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// Most PC sound software uses 2040+1 samples per channel per block -> block_size=1024*chans bytes
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if((size%(36*OrigChans)) != 0)
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{
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alSetError(Context, AL_INVALID_VALUE);
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break;
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}
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size /= 36;
|
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size *= 65;
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|
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// Allocate extra padding samples
|
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temp = realloc(ALBuf->data, (BUFFER_PADDING*OrigChans + size)*NewBytes);
|
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if(temp)
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{
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ALBuf->data = temp;
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ConvertDataIMA4(ALBuf->data, data, OrigChans, size/65);
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|
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ALBuf->format = NewFormat;
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ALBuf->eOriginalFormat = format;
|
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ALBuf->size = size*NewBytes;
|
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ALBuf->frequency = freq;
|
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}
|
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else
|
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alSetError(Context, AL_OUT_OF_MEMORY);
|
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} break;
|
|
|
|
case AL_FORMAT_MONO_MULAW:
|
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case AL_FORMAT_STEREO_MULAW:
|
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case AL_FORMAT_QUAD_MULAW:
|
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case AL_FORMAT_51CHN_MULAW:
|
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case AL_FORMAT_61CHN_MULAW:
|
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case AL_FORMAT_71CHN_MULAW: {
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int Channels = ((format==AL_FORMAT_MONO_MULAW) ? 1 :
|
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((format==AL_FORMAT_STEREO_MULAW) ? 2 :
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((format==AL_FORMAT_QUAD_MULAW) ? 4 :
|
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((format==AL_FORMAT_51CHN_MULAW) ? 6 :
|
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((format==AL_FORMAT_61CHN_MULAW) ? 7 : 8)))));
|
|
ALenum NewFormat = ((Channels==1) ? AL_FORMAT_MONO_FLOAT32 :
|
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((Channels==2) ? AL_FORMAT_STEREO_FLOAT32 :
|
|
((Channels==4) ? AL_FORMAT_QUAD32 :
|
|
((Channels==6) ? AL_FORMAT_51CHN32 :
|
|
((Channels==7) ? AL_FORMAT_61CHN32 :
|
|
AL_FORMAT_71CHN32)))));
|
|
ALuint NewBytes = aluBytesFromFormat(NewFormat);
|
|
|
|
if((size%(1*Channels)) != 0)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
break;
|
|
}
|
|
|
|
// Allocate extra padding samples
|
|
temp = realloc(ALBuf->data, (BUFFER_PADDING*Channels + size)*NewBytes);
|
|
if(temp)
|
|
{
|
|
ALBuf->data = temp;
|
|
ConvertDataMULaw(ALBuf->data, data, size);
|
|
|
|
ALBuf->format = NewFormat;
|
|
ALBuf->eOriginalFormat = format;
|
|
ALBuf->size = size*NewBytes;
|
|
ALBuf->frequency = freq;
|
|
}
|
|
else
|
|
alSetError(Context, AL_OUT_OF_MEMORY);
|
|
} break;
|
|
|
|
case AL_FORMAT_REAR_MULAW: {
|
|
int OrigChans = 2;
|
|
ALenum NewFormat = AL_FORMAT_QUAD32;
|
|
ALuint NewBytes = aluBytesFromFormat(NewFormat);
|
|
ALuint NewChannels = aluChannelsFromFormat(NewFormat);
|
|
|
|
if((size%(1*OrigChans)) != 0)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
break;
|
|
}
|
|
|
|
size *= 2;
|
|
|
|
// Allocate extra padding samples
|
|
temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + size)*NewBytes);
|
|
if(temp)
|
|
{
|
|
ALBuf->data = temp;
|
|
ConvertDataMULawRear(ALBuf->data, data, size);
|
|
|
|
ALBuf->format = NewFormat;
|
|
ALBuf->eOriginalFormat = format;
|
|
ALBuf->size = size*NewBytes;
|
|
ALBuf->frequency = freq;
|
|
}
|
|
else
|
|
alSetError(Context, AL_OUT_OF_MEMORY);
|
|
} break;
|
|
|
|
default:
|
|
alSetError(Context, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Buffer is in use, or data is a NULL pointer
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Invalid Buffer Name
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
/*
|
|
* alBufferSubDataEXT(ALuint buffer,ALenum format,ALvoid *data,ALsizei offset,ALsizei length)
|
|
*
|
|
* Fill buffer with audio data
|
|
*/
|
|
AL_API ALvoid AL_APIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length)
|
|
{
|
|
ALCcontext *Context;
|
|
ALCdevice *device;
|
|
ALbuffer *ALBuf;
|
|
|
|
Context = GetContextSuspended();
|
|
if(!Context) return;
|
|
|
|
device = Context->Device;
|
|
if((ALBuf=LookupBuffer(device->BufferMap, buffer)) != NULL)
|
|
{
|
|
if(Context->SampleSource)
|
|
{
|
|
ALintptrEXT offset;
|
|
|
|
if(Context->SampleSource->state == MAPPED)
|
|
{
|
|
alSetError(Context, AL_INVALID_OPERATION);
|
|
ProcessContext(Context);
|
|
return;
|
|
}
|
|
|
|
offset = (const ALubyte*)data - (ALubyte*)NULL;
|
|
data = Context->SampleSource->data + offset;
|
|
}
|
|
|
|
if(ALBuf->data == NULL)
|
|
{
|
|
// buffer does not have any data
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
}
|
|
else if(length < 0 || offset < 0 || (length > 0 && data == NULL))
|
|
{
|
|
// data is NULL or offset/length is negative
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
}
|
|
else
|
|
{
|
|
switch(format)
|
|
{
|
|
case AL_FORMAT_REAR8:
|
|
case AL_FORMAT_REAR16:
|
|
case AL_FORMAT_REAR32: {
|
|
ALuint OrigBytes = ((format==AL_FORMAT_REAR8) ? 1 :
|
|
((format==AL_FORMAT_REAR16) ? 2 :
|
|
4));
|
|
ALuint NewBytes = aluBytesFromFormat(ALBuf->format);
|
|
|
|
if(ALBuf->eOriginalFormat != AL_FORMAT_REAR8 &&
|
|
ALBuf->eOriginalFormat != AL_FORMAT_REAR16 &&
|
|
ALBuf->eOriginalFormat != AL_FORMAT_REAR32)
|
|
{
|
|
alSetError(Context, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
|
|
if(ALBuf->size/4/NewBytes < (ALuint)offset+length)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
break;
|
|
}
|
|
|
|
ConvertDataRear(&ALBuf->data[offset*4], data, OrigBytes, length*2);
|
|
} break;
|
|
|
|
case AL_FORMAT_MONO_IMA4:
|
|
case AL_FORMAT_STEREO_IMA4: {
|
|
int Channels = aluChannelsFromFormat(ALBuf->format);
|
|
ALuint Bytes = aluBytesFromFormat(ALBuf->format);
|
|
|
|
if(ALBuf->eOriginalFormat != format)
|
|
{
|
|
alSetError(Context, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
|
|
if((offset%65) != 0 || (length%65) != 0 ||
|
|
ALBuf->size/Channels/Bytes < (ALuint)offset+length)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
break;
|
|
}
|
|
|
|
ConvertDataIMA4(&ALBuf->data[offset*Channels], data, Channels, length/65*Channels);
|
|
} break;
|
|
|
|
case AL_FORMAT_MONO_MULAW:
|
|
case AL_FORMAT_STEREO_MULAW:
|
|
case AL_FORMAT_QUAD_MULAW:
|
|
case AL_FORMAT_REAR_MULAW:
|
|
case AL_FORMAT_51CHN_MULAW:
|
|
case AL_FORMAT_61CHN_MULAW:
|
|
case AL_FORMAT_71CHN_MULAW: {
|
|
int Channels = aluChannelsFromFormat(ALBuf->format);
|
|
ALuint Bytes = aluBytesFromFormat(ALBuf->format);
|
|
|
|
if(ALBuf->eOriginalFormat != format)
|
|
{
|
|
alSetError(Context, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
|
|
if(ALBuf->size/Channels/Bytes < (ALuint)offset+length)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
break;
|
|
}
|
|
|
|
if(ALBuf->eOriginalFormat == AL_FORMAT_REAR_MULAW)
|
|
ConvertDataMULawRear(&ALBuf->data[offset*Channels], data, length*2);
|
|
else
|
|
ConvertDataMULaw(&ALBuf->data[offset*Channels], data, length*Channels);
|
|
} break;
|
|
|
|
default: {
|
|
ALuint Channels = aluChannelsFromFormat(format);
|
|
ALuint Bytes = aluBytesFromFormat(format);
|
|
ALuint NewBytes = aluBytesFromFormat(ALBuf->format);
|
|
|
|
if(Channels != aluChannelsFromFormat(ALBuf->format))
|
|
{
|
|
alSetError(Context, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
|
|
if(ALBuf->size/Channels/NewBytes < (ALuint)offset+length)
|
|
{
|
|
alSetError(Context, AL_INVALID_VALUE);
|
|
break;
|
|
}
|
|
|
|
ConvertData(&ALBuf->data[offset*Channels], data, Bytes, length*Channels);
|
|
} break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Invalid Buffer Name
|
|
alSetError(Context, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(Context);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBufferf(ALuint buffer, ALenum eParam, ALfloat flValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
(void)flValue;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBuffer3f(ALuint buffer, ALenum eParam, ALfloat flValue1, ALfloat flValue2, ALfloat flValue3)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
(void)flValue1;
|
|
(void)flValue2;
|
|
(void)flValue3;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBufferfv(ALuint buffer, ALenum eParam, const ALfloat* flValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
(void)flValues;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBufferi(ALuint buffer, ALenum eParam, ALint lValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
(void)lValue;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBuffer3i( ALuint buffer, ALenum eParam, ALint lValue1, ALint lValue2, ALint lValue3)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
(void)lValue1;
|
|
(void)lValue2;
|
|
(void)lValue3;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBufferiv(ALuint buffer, ALenum eParam, const ALint* plValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
(void)plValues;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetBufferf(ALuint buffer, ALenum eParam, ALfloat *pflValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if (pflValue)
|
|
{
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetBuffer3f(ALuint buffer, ALenum eParam, ALfloat* pflValue1, ALfloat* pflValue2, ALfloat* pflValue3)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if ((pflValue1) && (pflValue2) && (pflValue3))
|
|
{
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetBufferfv(ALuint buffer, ALenum eParam, ALfloat* pflValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if (pflValues)
|
|
{
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetBufferi(ALuint buffer, ALenum eParam, ALint *plValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALbuffer *pBuffer;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if (plValue)
|
|
{
|
|
device = pContext->Device;
|
|
if((pBuffer=LookupBuffer(device->BufferMap, buffer)) != NULL)
|
|
{
|
|
switch (eParam)
|
|
{
|
|
case AL_FREQUENCY:
|
|
*plValue = pBuffer->frequency;
|
|
break;
|
|
|
|
case AL_BITS:
|
|
*plValue = aluBytesFromFormat(pBuffer->format) * 8;
|
|
break;
|
|
|
|
case AL_CHANNELS:
|
|
*plValue = aluChannelsFromFormat(pBuffer->format);
|
|
break;
|
|
|
|
case AL_SIZE:
|
|
*plValue = pBuffer->size;
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetBuffer3i(ALuint buffer, ALenum eParam, ALint* plValue1, ALint* plValue2, ALint* plValue3)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if ((plValue1) && (plValue2) && (plValue3))
|
|
{
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetBufferiv(ALuint buffer, ALenum eParam, ALint* plValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
if (plValues)
|
|
{
|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) != NULL)
|
|
{
|
|
switch (eParam)
|
|
{
|
|
case AL_FREQUENCY:
|
|
case AL_BITS:
|
|
case AL_CHANNELS:
|
|
case AL_SIZE:
|
|
alGetBufferi(buffer, eParam, plValues);
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
/*
|
|
* LoadData
|
|
*
|
|
* Loads the specified data into the buffer, using the specified formats.
|
|
* Currently, the new format must be 32-bit float, and must have the same
|
|
* channel configuration as the original format. This does NOT handle
|
|
* compressed formats (eg. IMA4).
|
|
*/
|
|
static ALenum LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat)
|
|
{
|
|
ALuint NewBytes = aluBytesFromFormat(NewFormat);
|
|
ALuint NewChannels = aluChannelsFromFormat(NewFormat);
|
|
ALuint OrigBytes = aluBytesFromFormat(OrigFormat);
|
|
ALuint OrigChannels = aluChannelsFromFormat(OrigFormat);
|
|
ALvoid *temp;
|
|
|
|
assert(NewBytes == 4);
|
|
assert(NewChannels == OrigChannels);
|
|
|
|
if ((size%(OrigBytes*OrigChannels)) != 0)
|
|
return AL_INVALID_VALUE;
|
|
|
|
// Samples are converted here
|
|
size /= OrigBytes;
|
|
temp = realloc(ALBuf->data, (BUFFER_PADDING*NewChannels + size) * NewBytes);
|
|
if(!temp) return AL_OUT_OF_MEMORY;
|
|
ALBuf->data = temp;
|
|
ConvertData(ALBuf->data, data, OrigBytes, size);
|
|
|
|
ALBuf->format = NewFormat;
|
|
ALBuf->eOriginalFormat = OrigFormat;
|
|
ALBuf->size = size*NewBytes;
|
|
ALBuf->frequency = freq;
|
|
|
|
return AL_NO_ERROR;
|
|
}
|
|
|
|
static void ConvertData(ALfloat *dst, const ALvoid *src, ALint origBytes, ALsizei len)
|
|
{
|
|
ALsizei i;
|
|
ALint smp;
|
|
switch(origBytes)
|
|
{
|
|
case 1:
|
|
for(i = 0;i < len;i++)
|
|
{
|
|
smp = ((ALubyte*)src)[i];
|
|
dst[i] = ((smp < 0x80) ? ((smp-128)/128.0f) : ((smp-128)/127.0f));
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for(i = 0;i < len;i++)
|
|
{
|
|
smp = ((ALshort*)src)[i];
|
|
dst[i] = ((smp < 0) ? (smp/32768.0f) : (smp/32767.0f));
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
for(i = 0;i < len;i++)
|
|
dst[i] = ((ALfloat*)src)[i];
|
|
break;
|
|
|
|
case 8:
|
|
for(i = 0;i < len;i++)
|
|
dst[i] = ((ALdouble*)src)[i];
|
|
break;
|
|
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
static void ConvertDataRear(ALfloat *dst, const ALvoid *src, ALint origBytes, ALsizei len)
|
|
{
|
|
ALsizei i;
|
|
ALint smp;
|
|
switch(origBytes)
|
|
{
|
|
case 1:
|
|
for(i = 0;i < len;i+=4)
|
|
{
|
|
dst[i+0] = 0;
|
|
dst[i+1] = 0;
|
|
smp = ((ALubyte*)src)[i/2+0];
|
|
dst[i+2] = ((smp < 0x80) ? ((smp-128)/128.0f) : ((smp-128)/127.0f));
|
|
smp = ((ALubyte*)src)[i/2+1];
|
|
dst[i+3] = ((smp < 0x80) ? ((smp-128)/128.0f) : ((smp-128)/127.0f));
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
for(i = 0;i < len;i+=4)
|
|
{
|
|
dst[i+0] = 0;
|
|
dst[i+1] = 0;
|
|
smp = ((ALshort*)src)[i/2+0];
|
|
dst[i+2] = ((smp < 0) ? (smp/32768.0f) : (smp/32767.0f));
|
|
smp = ((ALshort*)src)[i/2+1];
|
|
dst[i+3] = ((smp < 0) ? (smp/32768.0f) : (smp/32767.0f));
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
for(i = 0;i < len;i+=4)
|
|
{
|
|
dst[i+0] = 0;
|
|
dst[i+1] = 0;
|
|
dst[i+2] = ((ALfloat*)src)[i/2+0];
|
|
dst[i+3] = ((ALfloat*)src)[i/2+1];
|
|
}
|
|
break;
|
|
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
static void ConvertDataIMA4(ALfloat *dst, const ALvoid *src, ALint origChans, ALsizei len)
|
|
{
|
|
const ALuint *IMAData;
|
|
ALint Sample[2],Index[2];
|
|
ALuint IMACode[2];
|
|
ALsizei i,j,k,c;
|
|
|
|
IMAData = src;
|
|
for(i = 0;i < len/origChans;i++)
|
|
{
|
|
for(c = 0;c < origChans;c++)
|
|
{
|
|
Sample[c] = ((ALshort*)IMAData)[0];
|
|
Index[c] = ((ALshort*)IMAData)[1];
|
|
|
|
Index[c] = ((Index[c]<0) ? 0 : Index[c]);
|
|
Index[c] = ((Index[c]>88) ? 88 : Index[c]);
|
|
|
|
dst[i*65*origChans + c] = ((Sample[c] < 0) ? (Sample[c]/32768.0f) : (Sample[c]/32767.0f));
|
|
|
|
IMAData++;
|
|
}
|
|
|
|
for(j = 1;j < 65;j += 8)
|
|
{
|
|
for(c = 0;c < origChans;c++)
|
|
IMACode[c] = *(IMAData++);
|
|
|
|
for(k = 0;k < 8;k++)
|
|
{
|
|
for(c = 0;c < origChans;c++)
|
|
{
|
|
Sample[c] += ((g_IMAStep_size[Index[c]]*g_IMACodeword_4[IMACode[c]&15])/8);
|
|
Index[c] += g_IMAIndex_adjust_4[IMACode[c]&15];
|
|
|
|
if(Sample[c] < -32768) Sample[c] = -32768;
|
|
else if(Sample[c] > 32767) Sample[c] = 32767;
|
|
|
|
if(Index[c]<0) Index[c] = 0;
|
|
else if(Index[c]>88) Index[c] = 88;
|
|
|
|
dst[(i*65+j+k)*origChans + c] = ((Sample[c] < 0) ? (Sample[c]/32768.0f) : (Sample[c]/32767.0f));
|
|
IMACode[c] >>= 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ConvertDataMULaw(ALfloat *dst, const ALvoid *src, ALsizei len)
|
|
{
|
|
ALsizei i;
|
|
ALint smp;
|
|
for(i = 0;i < len;i++)
|
|
{
|
|
smp = muLawDecompressionTable[((ALubyte*)src)[i]];
|
|
dst[i] = ((smp < 0) ? (smp/32768.0f) : (smp/32767.0f));
|
|
}
|
|
}
|
|
|
|
static void ConvertDataMULawRear(ALfloat *dst, const ALvoid *src, ALsizei len)
|
|
{
|
|
ALsizei i;
|
|
ALint smp;
|
|
for(i = 0;i < len;i+=4)
|
|
{
|
|
dst[i+0] = 0;
|
|
dst[i+1] = 0;
|
|
smp = muLawDecompressionTable[((ALubyte*)src)[i/2+0]];
|
|
dst[i+2] = ((smp < 0) ? (smp/32768.0f) : (smp/32767.0f));
|
|
smp = muLawDecompressionTable[((ALubyte*)src)[i/2+1]];
|
|
dst[i+3] = ((smp < 0) ? (smp/32768.0f) : (smp/32767.0f));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* ReleaseALBuffers()
|
|
*
|
|
* INTERNAL FN : Called by DLLMain on exit to destroy any buffers that still exist
|
|
*/
|
|
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;
|
|
|
|
// Release sample data
|
|
free(temp->data);
|
|
|
|
// Release Buffer structure
|
|
ALTHUNK_REMOVEENTRY(temp->buffer);
|
|
memset(temp, 0, sizeof(ALbuffer));
|
|
free(temp);
|
|
}
|
|
}
|