1739 lines
53 KiB
C
1739 lines
53 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 <limits.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, ALuint freq, ALenum NewFormat, ALsizei size, enum SrcFmtChannels chans, enum SrcFmtType type, const ALvoid *data);
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static void ConvertData(ALvoid *dst, enum FmtType dstType, const ALvoid *src, enum SrcFmtType srcType, ALsizei len);
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static void ConvertDataIMA4(ALvoid *dst, enum FmtType dstType, const ALvoid *src, ALint chans, 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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static const int muLawBias = 0x84;
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static const int muLawClip = 32635;
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static const char muLawCompressTable[256] =
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{
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0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,
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4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
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5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
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5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
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6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
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6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
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6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
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6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
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};
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/*
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* alGenBuffers(ALsizei n, ALuint *buffers)
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*
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* Generates n AL Buffers, and stores the Buffers Names in the array pointed to by buffers
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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 generating some Buffers
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if(n < 0 || IsBadWritePtr((void*)buffers, n * sizeof(ALuint)))
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alSetError(Context, AL_INVALID_VALUE);
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else
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{
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ALCdevice *device = Context->Device;
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ALenum err;
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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, 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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ProcessContext(Context);
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}
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/*
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* alDeleteBuffers(ALsizei n, ALuint *buffers)
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*
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* Deletes the n AL Buffers pointed to by buffers
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*/
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AL_API ALvoid AL_APIENTRY alDeleteBuffers(ALsizei n, const ALuint *buffers)
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{
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ALCcontext *Context;
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ALCdevice *device;
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ALboolean Failed;
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ALbuffer *ALBuf;
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ALsizei i;
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Context = GetContextSuspended();
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if(!Context) return;
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Failed = AL_TRUE;
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device = Context->Device;
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/* Check we are actually Deleting some Buffers */
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if(n < 0)
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alSetError(Context, AL_INVALID_VALUE);
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else
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{
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Failed = AL_FALSE;
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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(!buffers[i])
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continue;
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/* Check for valid Buffer ID */
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if((ALBuf=LookupBuffer(device->BufferMap, buffers[i])) == NULL)
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{
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alSetError(Context, AL_INVALID_NAME);
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Failed = AL_TRUE;
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break;
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}
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else 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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Failed = AL_TRUE;
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break;
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}
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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(!Failed)
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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, buffers[i])) == NULL)
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continue;
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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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ProcessContext(Context);
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}
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/*
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* alIsBuffer(ALuint buffer)
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*
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* Checks if buffer is a valid Buffer Name
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*/
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AL_API ALboolean AL_APIENTRY alIsBuffer(ALuint buffer)
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{
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ALCcontext *Context;
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ALboolean result;
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Context = GetContextSuspended();
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if(!Context) return AL_FALSE;
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result = ((!buffer || LookupBuffer(Context->Device->BufferMap, buffer)) ?
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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,const 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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enum SrcFmtChannels SrcChannels;
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enum SrcFmtType SrcType;
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ALCcontext *Context;
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ALCdevice *device;
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ALbuffer *ALBuf;
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ALenum err;
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Context = GetContextSuspended();
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if(!Context) return;
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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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device = Context->Device;
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if((ALBuf=LookupBuffer(device->BufferMap, buffer)) == NULL)
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alSetError(Context, AL_INVALID_NAME);
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else if(ALBuf->refcount != 0)
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alSetError(Context, AL_INVALID_VALUE);
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else if(size < 0 || freq < 0)
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alSetError(Context, AL_INVALID_VALUE);
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else if(DecomposeInputFormat(format, &SrcChannels, &SrcType) == AL_FALSE)
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alSetError(Context, AL_INVALID_ENUM);
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else switch(SrcType)
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{
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case SrcFmtByte:
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case SrcFmtUByte:
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case SrcFmtShort:
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case SrcFmtUShort:
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case SrcFmtInt:
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case SrcFmtUInt:
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case SrcFmtFloat:
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err = LoadData(ALBuf, freq, format, size, SrcChannels, SrcType, data);
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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 SrcFmtDouble: {
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ALenum NewFormat = AL_FORMAT_MONO_FLOAT32;
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switch(SrcChannels)
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{
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case SrcFmtMono: NewFormat = AL_FORMAT_MONO_FLOAT32; break;
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case SrcFmtStereo: NewFormat = AL_FORMAT_STEREO_FLOAT32; break;
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case SrcFmtRear: NewFormat = AL_FORMAT_REAR32; break;
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case SrcFmtQuad: NewFormat = AL_FORMAT_QUAD32; break;
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case SrcFmtX51: NewFormat = AL_FORMAT_51CHN32; break;
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case SrcFmtX61: NewFormat = AL_FORMAT_61CHN32; break;
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case SrcFmtX71: NewFormat = AL_FORMAT_71CHN32; break;
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}
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err = LoadData(ALBuf, freq, NewFormat, size, SrcChannels, SrcType, data);
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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 SrcFmtMulaw:
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case SrcFmtIMA4: {
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ALenum NewFormat = AL_FORMAT_MONO16;
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switch(SrcChannels)
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{
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case SrcFmtMono: NewFormat = AL_FORMAT_MONO16; break;
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case SrcFmtStereo: NewFormat = AL_FORMAT_STEREO16; break;
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case SrcFmtRear: NewFormat = AL_FORMAT_REAR16; break;
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case SrcFmtQuad: NewFormat = AL_FORMAT_QUAD16; break;
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case SrcFmtX51: NewFormat = AL_FORMAT_51CHN16; break;
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case SrcFmtX61: NewFormat = AL_FORMAT_61CHN16; break;
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case SrcFmtX71: NewFormat = AL_FORMAT_71CHN16; break;
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}
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err = LoadData(ALBuf, freq, NewFormat, size, SrcChannels, SrcType, data);
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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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}
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ProcessContext(Context);
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}
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/*
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* alBufferSubDataSOFT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length)
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*
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* Update buffer's audio data
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*/
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AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length)
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{
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enum SrcFmtChannels SrcChannels;
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enum SrcFmtType SrcType;
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ALCcontext *Context;
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ALCdevice *device;
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ALbuffer *ALBuf;
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Context = GetContextSuspended();
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if(!Context) return;
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if(Context->SampleSource)
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{
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ALintptrEXT offset;
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|
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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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device = Context->Device;
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if((ALBuf=LookupBuffer(device->BufferMap, buffer)) == NULL)
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alSetError(Context, AL_INVALID_NAME);
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else if(length < 0 || offset < 0 || (length > 0 && data == NULL))
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alSetError(Context, AL_INVALID_VALUE);
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else if(DecomposeInputFormat(format, &SrcChannels, &SrcType) == AL_FALSE ||
|
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SrcChannels != ALBuf->OriginalChannels ||
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SrcType != ALBuf->OriginalType)
|
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alSetError(Context, AL_INVALID_ENUM);
|
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else if(offset > ALBuf->OriginalSize ||
|
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length > ALBuf->OriginalSize-offset ||
|
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(offset%ALBuf->OriginalAlign) != 0 ||
|
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(length%ALBuf->OriginalAlign) != 0)
|
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alSetError(Context, AL_INVALID_VALUE);
|
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else
|
|
{
|
|
if(SrcType == SrcFmtIMA4)
|
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{
|
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ALuint Channels = ChannelsFromFmt(ALBuf->FmtChannels);
|
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ALuint Bytes = BytesFromFmt(ALBuf->FmtType);
|
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|
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/* offset -> byte offset, length -> block count */
|
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offset /= 36;
|
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offset *= 65;
|
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offset *= Bytes;
|
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length /= ALBuf->OriginalAlign;
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|
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ConvertDataIMA4(&((ALubyte*)ALBuf->data)[offset], ALBuf->FmtType,
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data, Channels, length);
|
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}
|
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else
|
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{
|
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ALuint OldBytes = BytesFromFmt(SrcType);
|
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ALuint Bytes = BytesFromFmt(ALBuf->FmtType);
|
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|
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offset /= OldBytes;
|
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offset *= Bytes;
|
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length /= OldBytes;
|
|
|
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ConvertData(&((ALubyte*)ALBuf->data)[offset], ALBuf->FmtType,
|
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data, SrcType, length);
|
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}
|
|
}
|
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|
|
ProcessContext(Context);
|
|
}
|
|
|
|
AL_API ALvoid AL_APIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length)
|
|
{
|
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alBufferSubDataSOFT(buffer, format, data, offset, length);
|
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}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBufferf(ALuint buffer, ALenum eParam, ALfloat flValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
(void)flValue;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
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|
|
device = pContext->Device;
|
|
if(LookupBuffer(device->BufferMap, buffer) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBufferfv(ALuint buffer, ALenum eParam, const ALfloat* flValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(!flValues)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if(LookupBuffer(device->BufferMap, buffer) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alBufferiv(ALuint buffer, ALenum eParam, const ALint* plValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
ALbuffer *ALBuf;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(!plValues)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if((ALBuf=LookupBuffer(device->BufferMap, buffer)) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_LOOP_POINTS:
|
|
if(ALBuf->refcount > 0)
|
|
alSetError(pContext, AL_INVALID_OPERATION);
|
|
else if(plValues[0] < 0 || plValues[1] < 0 ||
|
|
plValues[0] >= plValues[1] || ALBuf->size == 0)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else
|
|
{
|
|
ALint maxlen = ALBuf->size /
|
|
FrameSizeFromFmt(ALBuf->FmtChannels, ALBuf->FmtType);
|
|
if(plValues[0] > maxlen || plValues[1] > maxlen)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else
|
|
{
|
|
ALBuf->LoopStart = plValues[0];
|
|
ALBuf->LoopEnd = plValues[1];
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetBufferf(ALuint buffer, ALenum eParam, ALfloat *pflValue)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(!pflValue)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if(LookupBuffer(device->BufferMap, buffer) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
device = pContext->Device;
|
|
if(!pflValue1 || !pflValue2 || !pflValue3)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if(LookupBuffer(device->BufferMap, buffer) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetBufferfv(ALuint buffer, ALenum eParam, ALfloat* pflValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(!pflValues)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if(LookupBuffer(device->BufferMap, buffer) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
device = pContext->Device;
|
|
if(!plValue)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if((pBuffer=LookupBuffer(device->BufferMap, buffer)) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_FREQUENCY:
|
|
*plValue = pBuffer->Frequency;
|
|
break;
|
|
|
|
case AL_BITS:
|
|
*plValue = BytesFromFmt(pBuffer->FmtType) * 8;
|
|
break;
|
|
|
|
case AL_CHANNELS:
|
|
*plValue = ChannelsFromFmt(pBuffer->FmtChannels);
|
|
break;
|
|
|
|
case AL_SIZE:
|
|
*plValue = pBuffer->size;
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
device = pContext->Device;
|
|
if(!plValue1 || !plValue2 || !plValue3)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if(LookupBuffer(device->BufferMap, buffer) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
AL_API void AL_APIENTRY alGetBufferiv(ALuint buffer, ALenum eParam, ALint* plValues)
|
|
{
|
|
ALCcontext *pContext;
|
|
ALCdevice *device;
|
|
ALbuffer *ALBuf;
|
|
|
|
pContext = GetContextSuspended();
|
|
if(!pContext) return;
|
|
|
|
device = pContext->Device;
|
|
if(!plValues)
|
|
alSetError(pContext, AL_INVALID_VALUE);
|
|
else if((ALBuf=LookupBuffer(device->BufferMap, buffer)) == NULL)
|
|
alSetError(pContext, AL_INVALID_NAME);
|
|
else
|
|
{
|
|
switch(eParam)
|
|
{
|
|
case AL_FREQUENCY:
|
|
case AL_BITS:
|
|
case AL_CHANNELS:
|
|
case AL_SIZE:
|
|
alGetBufferi(buffer, eParam, plValues);
|
|
break;
|
|
|
|
case AL_LOOP_POINTS:
|
|
plValues[0] = ALBuf->LoopStart;
|
|
plValues[1] = ALBuf->LoopEnd;
|
|
break;
|
|
|
|
default:
|
|
alSetError(pContext, AL_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ProcessContext(pContext);
|
|
}
|
|
|
|
|
|
typedef ALubyte ALmulaw;
|
|
|
|
static __inline ALshort DecodeMuLaw(ALmulaw val)
|
|
{ return muLawDecompressionTable[val]; }
|
|
|
|
static ALmulaw EncodeMuLaw(ALshort val)
|
|
{
|
|
ALint mant, exp, sign;
|
|
|
|
sign = (val>>8) & 0x80;
|
|
if(sign) val = (ALshort)-val;
|
|
|
|
val = min(val, muLawClip);
|
|
val += muLawBias;
|
|
|
|
exp = muLawCompressTable[(val>>7) & 0xff];
|
|
mant = (val >> (exp+3)) & 0x0f;
|
|
|
|
return ~(sign | (exp<<4) | mant);
|
|
}
|
|
|
|
static void DecodeIMA4Block(ALshort *dst, const ALubyte *IMAData, ALint numchans)
|
|
{
|
|
ALint Sample[2],Index[2];
|
|
ALuint IMACode[2];
|
|
ALsizei j,k,c;
|
|
|
|
for(c = 0;c < numchans;c++)
|
|
{
|
|
Sample[c] = *(IMAData++);
|
|
Sample[c] |= *(IMAData++) << 8;
|
|
Sample[c] = (Sample[c]^0x8000) - 32768;
|
|
Index[c] = *(IMAData++);
|
|
Index[c] |= *(IMAData++) << 8;
|
|
Index[c] = (Index[c]^0x8000) - 32768;
|
|
|
|
Index[c] = ((Index[c]<0) ? 0 : Index[c]);
|
|
Index[c] = ((Index[c]>88) ? 88 : Index[c]);
|
|
|
|
dst[c] = Sample[c];
|
|
}
|
|
|
|
j = 1;
|
|
while(j < 65)
|
|
{
|
|
for(c = 0;c < numchans;c++)
|
|
{
|
|
IMACode[c] = *(IMAData++);
|
|
IMACode[c] |= *(IMAData++) << 8;
|
|
IMACode[c] |= *(IMAData++) << 16;
|
|
IMACode[c] |= *(IMAData++) << 24;
|
|
}
|
|
|
|
for(k = 0;k < 8;k++,j++)
|
|
{
|
|
for(c = 0;c < numchans;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[(j+k)*numchans + c] = Sample[c];
|
|
IMACode[c] >>= 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static __inline ALbyte Conv_ALbyte_ALbyte(ALbyte val)
|
|
{ return val; }
|
|
static __inline ALbyte Conv_ALbyte_ALubyte(ALubyte val)
|
|
{ return val^0x80; }
|
|
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 ALubyte Conv_ALubyte_ALbyte(ALbyte val)
|
|
{ return val^0x80; }
|
|
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 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^0x8000; }
|
|
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 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^0x8000; }
|
|
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 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 -2147483648u;
|
|
return (ALint)(val * 2147483647.0);
|
|
}
|
|
static __inline ALint Conv_ALint_ALdouble(ALdouble val)
|
|
{
|
|
if(val >= 1.0) return 2147483647;
|
|
if(val <= -1.0) return -2147483648u;
|
|
return (ALint)(val * 2147483647.0);
|
|
}
|
|
static __inline ALint Conv_ALint_ALmulaw(ALmulaw val)
|
|
{ return Conv_ALint_ALshort(DecodeMuLaw(val)); }
|
|
|
|
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 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 val * (1.0/2147483647.0); }
|
|
static __inline ALfloat Conv_ALfloat_ALuint(ALuint val)
|
|
{ return (ALint)(val-2147483648u) * (1.0/2147483647.0); }
|
|
static __inline ALfloat Conv_ALfloat_ALfloat(ALfloat val)
|
|
{ return val; }
|
|
static __inline ALfloat Conv_ALfloat_ALdouble(ALdouble val)
|
|
{ return val; }
|
|
static __inline ALfloat Conv_ALfloat_ALmulaw(ALmulaw val)
|
|
{ return Conv_ALfloat_ALshort(DecodeMuLaw(val)); }
|
|
|
|
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; }
|
|
static __inline ALdouble Conv_ALdouble_ALdouble(ALdouble val)
|
|
{ return val; }
|
|
static __inline ALdouble Conv_ALdouble_ALmulaw(ALmulaw val)
|
|
{ return Conv_ALdouble_ALshort(DecodeMuLaw(val)); }
|
|
|
|
#define DECL_TEMPLATE(T) \
|
|
static 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)
|
|
DECL_TEMPLATE(ALmulaw)
|
|
|
|
#undef DECL_TEMPLATE
|
|
|
|
#define DECL_TEMPLATE(T1, T2) \
|
|
static void Convert_##T1##_##T2(T1 *dst, const T2 *src, ALuint len) \
|
|
{ \
|
|
ALuint i; \
|
|
for(i = 0;i < len;i++) \
|
|
*(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(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(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(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(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(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(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(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(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)
|
|
|
|
#undef DECL_TEMPLATE
|
|
|
|
#define DECL_TEMPLATE(T) \
|
|
static void Convert_##T##_IMA4(T *dst, const ALubyte *src, ALuint numchans, \
|
|
ALuint numblocks) \
|
|
{ \
|
|
ALshort tmp[65*2]; /* Max samples an IMA4 frame can be */ \
|
|
ALuint i, j; \
|
|
for(i = 0;i < numblocks;i++) \
|
|
{ \
|
|
DecodeIMA4Block(tmp, src, numchans); \
|
|
src += 36*numchans; \
|
|
for(j = 0;j < 65*numchans;j++) \
|
|
*(dst++) = Conv_##T##_ALshort(tmp[j]); \
|
|
} \
|
|
}
|
|
|
|
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)
|
|
|
|
#undef DECL_TEMPLATE
|
|
|
|
#define DECL_TEMPLATE(T) \
|
|
static void Convert_##T(T *dst, const ALvoid *src, enum SrcFmtType srcType, \
|
|
ALsizei len) \
|
|
{ \
|
|
switch(srcType) \
|
|
{ \
|
|
case SrcFmtByte: \
|
|
Convert_##T##_ALbyte(dst, src, len); \
|
|
break; \
|
|
case SrcFmtUByte: \
|
|
Convert_##T##_ALubyte(dst, src, len); \
|
|
break; \
|
|
case SrcFmtShort: \
|
|
Convert_##T##_ALshort(dst, src, len); \
|
|
break; \
|
|
case SrcFmtUShort: \
|
|
Convert_##T##_ALushort(dst, src, len); \
|
|
break; \
|
|
case SrcFmtInt: \
|
|
Convert_##T##_ALint(dst, src, len); \
|
|
break; \
|
|
case SrcFmtUInt: \
|
|
Convert_##T##_ALuint(dst, src, len); \
|
|
break; \
|
|
case SrcFmtFloat: \
|
|
Convert_##T##_ALfloat(dst, src, len); \
|
|
break; \
|
|
case SrcFmtDouble: \
|
|
Convert_##T##_ALdouble(dst, src, len); \
|
|
break; \
|
|
case SrcFmtMulaw: \
|
|
Convert_##T##_ALmulaw(dst, src, len); \
|
|
break; \
|
|
case SrcFmtIMA4: \
|
|
break; /* not handled here */ \
|
|
} \
|
|
}
|
|
|
|
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)
|
|
|
|
#undef DECL_TEMPLATE
|
|
|
|
|
|
static void ConvertData(ALvoid *dst, enum FmtType dstType, const ALvoid *src, enum SrcFmtType srcType, ALsizei len)
|
|
{
|
|
switch(dstType)
|
|
{
|
|
(void)Convert_ALbyte;
|
|
case FmtUByte:
|
|
Convert_ALubyte(dst, src, srcType, len);
|
|
break;
|
|
case FmtShort:
|
|
Convert_ALshort(dst, src, srcType, len);
|
|
break;
|
|
(void)Convert_ALushort;
|
|
(void)Convert_ALint;
|
|
(void)Convert_ALuint;
|
|
case FmtFloat:
|
|
Convert_ALfloat(dst, src, srcType, len);
|
|
break;
|
|
(void)Convert_ALdouble;
|
|
(void)Convert_ALmulaw;
|
|
}
|
|
}
|
|
|
|
static void ConvertDataIMA4(ALvoid *dst, enum FmtType dstType, const ALvoid *src, ALint chans, ALsizei len)
|
|
{
|
|
switch(dstType)
|
|
{
|
|
(void)Convert_ALbyte_IMA4;
|
|
case FmtUByte:
|
|
Convert_ALubyte_IMA4(dst, src, chans, len);
|
|
break;
|
|
case FmtShort:
|
|
Convert_ALshort_IMA4(dst, src, chans, len);
|
|
break;
|
|
(void)Convert_ALushort_IMA4;
|
|
(void)Convert_ALint_IMA4;
|
|
(void)Convert_ALuint_IMA4;
|
|
case FmtFloat:
|
|
Convert_ALfloat_IMA4(dst, src, chans, len);
|
|
break;
|
|
(void)Convert_ALdouble_IMA4;
|
|
(void)Convert_ALmulaw_IMA4;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* 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 size, enum SrcFmtChannels SrcChannels, enum SrcFmtType SrcType, const ALvoid *data)
|
|
{
|
|
ALuint NewChannels, NewBytes;
|
|
enum FmtChannels DstChannels;
|
|
enum FmtType DstType;
|
|
ALuint64 newsize;
|
|
ALvoid *temp;
|
|
|
|
DecomposeFormat(NewFormat, &DstChannels, &DstType);
|
|
NewChannels = ChannelsFromFmt(DstChannels);
|
|
NewBytes = BytesFromFmt(DstType);
|
|
|
|
assert(SrcChannels == DstChannels);
|
|
|
|
if(SrcType == SrcFmtIMA4)
|
|
{
|
|
ALuint OrigChannels = ChannelsFromSrcFmt(SrcChannels);
|
|
|
|
/* Here is where things vary:
|
|
* nVidia and Apple use 64+1 sample frames per block => block_size=36*chans bytes
|
|
* Most PC sound software uses 2040+1 sample frames per block -> block_size=1024*chans bytes
|
|
*/
|
|
if((size%(36*OrigChannels)) != 0)
|
|
return AL_INVALID_VALUE;
|
|
|
|
newsize = size / 36;
|
|
newsize *= 65;
|
|
newsize *= NewBytes;
|
|
if(newsize > INT_MAX)
|
|
return AL_OUT_OF_MEMORY;
|
|
|
|
temp = realloc(ALBuf->data, newsize);
|
|
if(!temp) return AL_OUT_OF_MEMORY;
|
|
ALBuf->data = temp;
|
|
ALBuf->size = newsize;
|
|
|
|
if(data != NULL)
|
|
ConvertDataIMA4(ALBuf->data, DstType, data, OrigChannels,
|
|
newsize/(65*NewChannels*NewBytes));
|
|
|
|
ALBuf->OriginalChannels = SrcChannels;
|
|
ALBuf->OriginalType = SrcType;
|
|
ALBuf->OriginalSize = size;
|
|
ALBuf->OriginalAlign = 36 * OrigChannels;
|
|
}
|
|
else
|
|
{
|
|
ALuint OrigBytes = BytesFromSrcFmt(SrcType);
|
|
ALuint OrigChannels = ChannelsFromSrcFmt(SrcChannels);
|
|
|
|
if((size%(OrigBytes*OrigChannels)) != 0)
|
|
return AL_INVALID_VALUE;
|
|
|
|
newsize = size / OrigBytes;
|
|
newsize *= NewBytes;
|
|
if(newsize > INT_MAX)
|
|
return AL_OUT_OF_MEMORY;
|
|
|
|
temp = realloc(ALBuf->data, newsize);
|
|
if(!temp) return AL_OUT_OF_MEMORY;
|
|
ALBuf->data = temp;
|
|
ALBuf->size = newsize;
|
|
|
|
if(data != NULL)
|
|
ConvertData(ALBuf->data, DstType, data, SrcType, newsize/NewBytes);
|
|
|
|
ALBuf->OriginalChannels = SrcChannels;
|
|
ALBuf->OriginalType = SrcType;
|
|
ALBuf->OriginalSize = size;
|
|
ALBuf->OriginalAlign = OrigBytes * OrigChannels;
|
|
}
|
|
|
|
ALBuf->Frequency = freq;
|
|
ALBuf->FmtChannels = DstChannels;
|
|
ALBuf->FmtType = DstType;
|
|
|
|
ALBuf->LoopStart = 0;
|
|
ALBuf->LoopEnd = newsize / NewChannels / NewBytes;
|
|
|
|
return AL_NO_ERROR;
|
|
}
|
|
|
|
|
|
ALuint BytesFromSrcFmt(enum SrcFmtType type)
|
|
{
|
|
switch(type)
|
|
{
|
|
case SrcFmtByte: return sizeof(ALbyte);
|
|
case SrcFmtUByte: return sizeof(ALubyte);
|
|
case SrcFmtShort: return sizeof(ALshort);
|
|
case SrcFmtUShort: return sizeof(ALushort);
|
|
case SrcFmtInt: return sizeof(ALint);
|
|
case SrcFmtUInt: return sizeof(ALuint);
|
|
case SrcFmtFloat: return sizeof(ALfloat);
|
|
case SrcFmtDouble: return sizeof(ALdouble);
|
|
case SrcFmtMulaw: return sizeof(ALubyte);
|
|
case SrcFmtIMA4: break; /* not handled here */
|
|
}
|
|
return 0;
|
|
}
|
|
ALuint ChannelsFromSrcFmt(enum SrcFmtChannels chans)
|
|
{
|
|
switch(chans)
|
|
{
|
|
case SrcFmtMono: return 1;
|
|
case SrcFmtStereo: return 2;
|
|
case SrcFmtRear: return 2;
|
|
case SrcFmtQuad: return 4;
|
|
case SrcFmtX51: return 6;
|
|
case SrcFmtX61: return 7;
|
|
case SrcFmtX71: return 8;
|
|
}
|
|
return 0;
|
|
}
|
|
ALboolean DecomposeInputFormat(ALenum format, enum SrcFmtChannels *chans,
|
|
enum SrcFmtType *type)
|
|
{
|
|
switch(format)
|
|
{
|
|
case AL_FORMAT_MONO8:
|
|
*chans = SrcFmtMono;
|
|
*type = SrcFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO16:
|
|
*chans = SrcFmtMono;
|
|
*type = SrcFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO_FLOAT32:
|
|
*chans = SrcFmtMono;
|
|
*type = SrcFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO_DOUBLE_EXT:
|
|
*chans = SrcFmtMono;
|
|
*type = SrcFmtDouble;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO_IMA4:
|
|
*chans = SrcFmtMono;
|
|
*type = SrcFmtIMA4;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO8:
|
|
*chans = SrcFmtStereo;
|
|
*type = SrcFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO16:
|
|
*chans = SrcFmtStereo;
|
|
*type = SrcFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO_FLOAT32:
|
|
*chans = SrcFmtStereo;
|
|
*type = SrcFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO_DOUBLE_EXT:
|
|
*chans = SrcFmtStereo;
|
|
*type = SrcFmtDouble;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO_IMA4:
|
|
*chans = SrcFmtStereo;
|
|
*type = SrcFmtIMA4;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD8_LOKI:
|
|
case AL_FORMAT_QUAD8:
|
|
*chans = SrcFmtQuad;
|
|
*type = SrcFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD16_LOKI:
|
|
case AL_FORMAT_QUAD16:
|
|
*chans = SrcFmtQuad;
|
|
*type = SrcFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD32:
|
|
*chans = SrcFmtQuad;
|
|
*type = SrcFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_REAR8:
|
|
*chans = SrcFmtRear;
|
|
*type = SrcFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_REAR16:
|
|
*chans = SrcFmtRear;
|
|
*type = SrcFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_REAR32:
|
|
*chans = SrcFmtRear;
|
|
*type = SrcFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN8:
|
|
*chans = SrcFmtX51;
|
|
*type = SrcFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN16:
|
|
*chans = SrcFmtX51;
|
|
*type = SrcFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN32:
|
|
*chans = SrcFmtX51;
|
|
*type = SrcFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN8:
|
|
*chans = SrcFmtX61;
|
|
*type = SrcFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN16:
|
|
*chans = SrcFmtX61;
|
|
*type = SrcFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN32:
|
|
*chans = SrcFmtX61;
|
|
*type = SrcFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN8:
|
|
*chans = SrcFmtX71;
|
|
*type = SrcFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN16:
|
|
*chans = SrcFmtX71;
|
|
*type = SrcFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN32:
|
|
*chans = SrcFmtX71;
|
|
*type = SrcFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO_MULAW:
|
|
*chans = SrcFmtMono;
|
|
*type = SrcFmtMulaw;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO_MULAW:
|
|
*chans = SrcFmtStereo;
|
|
*type = SrcFmtMulaw;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD_MULAW:
|
|
*chans = SrcFmtQuad;
|
|
*type = SrcFmtMulaw;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_REAR_MULAW:
|
|
*chans = SrcFmtRear;
|
|
*type = SrcFmtMulaw;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN_MULAW:
|
|
*chans = SrcFmtX51;
|
|
*type = SrcFmtMulaw;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN_MULAW:
|
|
*chans = SrcFmtX61;
|
|
*type = SrcFmtMulaw;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN_MULAW:
|
|
*chans = SrcFmtX71;
|
|
*type = SrcFmtMulaw;
|
|
return AL_TRUE;
|
|
}
|
|
return AL_FALSE;
|
|
}
|
|
|
|
ALuint BytesFromFmt(enum FmtType type)
|
|
{
|
|
switch(type)
|
|
{
|
|
case FmtUByte: return sizeof(ALubyte);
|
|
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;
|
|
}
|
|
ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum FmtType *type)
|
|
{
|
|
switch(format)
|
|
{
|
|
case AL_FORMAT_MONO8:
|
|
*chans = FmtMono;
|
|
*type = FmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO16:
|
|
*chans = FmtMono;
|
|
*type = FmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO_FLOAT32:
|
|
*chans = FmtMono;
|
|
*type = FmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO8:
|
|
*chans = FmtStereo;
|
|
*type = FmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO16:
|
|
*chans = FmtStereo;
|
|
*type = FmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO_FLOAT32:
|
|
*chans = FmtStereo;
|
|
*type = FmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD8_LOKI:
|
|
case AL_FORMAT_QUAD8:
|
|
*chans = FmtQuad;
|
|
*type = FmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD16_LOKI:
|
|
case AL_FORMAT_QUAD16:
|
|
*chans = FmtQuad;
|
|
*type = FmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD32:
|
|
*chans = FmtQuad;
|
|
*type = FmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_REAR8:
|
|
*chans = FmtRear;
|
|
*type = FmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_REAR16:
|
|
*chans = FmtRear;
|
|
*type = FmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_REAR32:
|
|
*chans = FmtRear;
|
|
*type = FmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN8:
|
|
*chans = FmtX51;
|
|
*type = FmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN16:
|
|
*chans = FmtX51;
|
|
*type = FmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN32:
|
|
*chans = FmtX51;
|
|
*type = FmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN8:
|
|
*chans = FmtX61;
|
|
*type = FmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN16:
|
|
*chans = FmtX61;
|
|
*type = FmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN32:
|
|
*chans = FmtX61;
|
|
*type = FmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN8:
|
|
*chans = FmtX71;
|
|
*type = FmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN16:
|
|
*chans = FmtX71;
|
|
*type = FmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN32:
|
|
*chans = FmtX71;
|
|
*type = FmtFloat;
|
|
return AL_TRUE;
|
|
}
|
|
return AL_FALSE;
|
|
}
|
|
|
|
|
|
/*
|
|
* ReleaseALBuffers()
|
|
*
|
|
* INTERNAL FN : Called by alcCloseDevice 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);
|
|
}
|
|
}
|