openalbridge/openalbridge.c
author unc0rr
Fri, 12 Nov 2010 19:40:35 +0300
branch0.9.12
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/*
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 * OpenAL Bridge - a simple portable library for OpenAL interface
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 * Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program 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
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 * GNU Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include "openalbridge.h"
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#ifdef __CPLUSPLUS
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extern "C" {
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#endif 
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        /*Sources are points emitting sound*/
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        ALuint *Sources;
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        /*Buffers hold sound data*/
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        ALuint *Buffers;
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        /*index for Sources and Buffers*/
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        ALuint globalindex, globalsize, increment;
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        ALboolean openalReady = AL_FALSE;
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        ALboolean openal_close (void) {
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                /*Stop all sounds, deallocate all memory and close OpenAL */
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                ALCcontext *context;
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                ALCdevice  *device;
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                if (openalReady == AL_FALSE) {
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                        errno = EPERM;
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                        err_ret("(%s) WARN - OpenAL not initialized", prog);
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                        return AL_FALSE;
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                }
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                alSourceStopv	(globalsize, Sources);
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                alDeleteSources (globalsize, Sources);
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                alDeleteBuffers (globalsize, Buffers);
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                free(Sources);
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                free(Buffers);
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                context = alcGetCurrentContext();
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                device  = alcGetContextsDevice(context);
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                alcMakeContextCurrent(NULL);
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                alcDestroyContext(context);
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                alcCloseDevice(device);
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                openalReady = AL_FALSE;
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                return AL_TRUE;
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        }
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        ALboolean openal_ready(void) {
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                return openalReady;
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        }
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        ALboolean openal_init(char* programname, ALboolean usehardware, uint32_t memorysize) {	
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                /*Initialize an OpenAL contex and allocate memory space for data and buffers*/
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                ALCcontext *context;
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                ALCdevice *device;
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                const ALCchar *default_device;
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                prog = programname;
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                /*Position of the listener*/
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                ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 };
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                /*Velocity of the listener*/
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                ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 };
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                /*Orientation of the listener. (first 3 elements are "at", second 3 are "up")*/
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                ALfloat ListenerOri[] = { 0.0, 0.0, -1.0,  0.0, 1.0, 0.0 };
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                if (openalReady == AL_TRUE) {
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                        errno = EPERM;                
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                        err_ret("(%s) WARN - OpenAL already initialized", prog);
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                        return AL_FALSE;
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                }
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                if (usehardware == AL_TRUE)
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                        device = alcOpenDevice(NULL);
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                else
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                        device = alcOpenDevice("Generic Software");
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                if (device == NULL) {
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                        errno = ENODEV;                
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                        err_ret("(%s) WARN - Failed to open sound device", prog);
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                        return AL_FALSE;
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                }
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                err_msg("(%s) INFO - Output device: %s", prog, alcGetString(device, ALC_DEVICE_SPECIFIER));
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                context = alcCreateContext(device, NULL);
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                alcMakeContextCurrent(context);
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                alcProcessContext(context);
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                if (AlGetError("(%s) WARN - Failed to create a new contex") != AL_TRUE)
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                        return AL_FALSE;
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                /*allocate memory space for buffers and sources*/
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                if (memorysize == 0)
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                        globalsize = 50;
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                else
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                        globalsize = memorysize;
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                increment  = globalsize;
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                Buffers = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
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                Sources = (ALuint*) Malloc(sizeof(ALuint)*globalsize);
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                /*set the listener gain, position (on xyz axes), velocity (one value for each axe) and orientation*/
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                alListenerf (AL_GAIN,        1.0f       );
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                alListenerfv(AL_POSITION,    ListenerPos);
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                alListenerfv(AL_VELOCITY,    ListenerVel);
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                alListenerfv(AL_ORIENTATION, ListenerOri);
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                if (AlGetError("(%s) WARN - Failed to set Listener properties") != AL_TRUE)
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                        return AL_FALSE;
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                openalReady = AL_TRUE;
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                alGetError();  /* clear any AL errors beforehand */
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                return AL_TRUE;
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        }
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        ALboolean helper_realloc (void) {
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                /*expands allocated memory when loading more sound files than expected*/
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                int oldsize = globalsize;
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                globalsize += increment;
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#ifdef DEBUG
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                err_msg("(%s) INFO - Realloc in process from %d to %d\n", prog, oldsize, globalsize);
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#endif
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                Buffers = (ALuint*) Realloc(Buffers, sizeof(ALuint)*globalsize);
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                Sources = (ALuint*) Realloc(Sources, sizeof(ALuint)*globalsize);
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                return AL_TRUE;
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        }
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        ALint openal_loadfile (const char *filename){
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                /*Open a file, load into memory and allocate the Source buffer for playing*/
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                ALfloat SourcePos[] = { 0.0, 0.0, 0.0 }; /*Position of the source sound*/
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                ALfloat SourceVel[] = { 0.0, 0.0, 0.0 }; /*Velocity of the source sound*/
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                ALenum format;
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                ALsizei bitsize, freq;
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                char *data;
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                uint32_t fileformat;
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                ALenum error;
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                FILE *fp;
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                if (openalReady == AL_FALSE) {
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                        errno = EPERM;                
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                        err_ret("(%s) WARN - OpenAL not initialized", prog);
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                        return AL_FALSE;
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                }
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                /*when the buffers are all used, we can expand memory to accept new files*/
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                if (globalindex == globalsize)
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                        helper_realloc();
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                /*detect the file format, as written in the first 4 bytes of the header*/
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                fp = Fopen (filename, "rb");
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                if (fp == NULL)
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                        return -1;
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   177
                
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                error = fread (&fileformat, sizeof(uint32_t), 1, fp);
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                fclose (fp);
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                if (error < 0) {
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                        errno = EIO;
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                        err_ret("(%s) ERROR - File %s is too short", prog, filename);
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                        return -2;
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                }
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                /*prepare the buffer to receive data*/
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                alGenBuffers(1, &Buffers[globalindex]);
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   189
                
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                if (AlGetError("(%s) ERROR - Failed to allocate memory for buffers") != AL_TRUE)
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                        return -3;
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   192
                
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   193
                /*prepare the source to emit sound*/
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                alGenSources(1, &Sources[globalindex]);
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   195
                
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                if (AlGetError("(%s) ERROR - Failed to allocate memory for sources") != AL_TRUE)
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                        return -4;
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   198
                
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   199
                
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                switch (ENDIAN_BIG_32(fileformat)) {
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                        case OGG_FILE_FORMAT:
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                                error = load_oggvorbis (filename, &format, &data, &bitsize, &freq);
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                                break;
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   204
                        case WAV_FILE_FORMAT:
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                                error = load_wavpcm (filename, &format, &data, &bitsize, &freq);
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   206
                                break;
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   207
                        default:
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                                errno = EINVAL;
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                                err_ret ("(%s) ERROR - File format (%08X) not supported", prog, ENDIAN_BIG_32(fileformat));
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   210
                                return -5;
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   211
                                break;
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   212
                }
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   214
                
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   215
                /*copy pcm data in one buffer*/
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                alBufferData(Buffers[globalindex], format, data, bitsize, freq);
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                free(data);		/*deallocate data to save memory*/
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   218
                
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                if (AlGetError("(%s) ERROR - Failed to write data to buffers") != AL_TRUE)
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                        return -6;
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   221
                
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                /*set source properties that it will use when it's in playback*/
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                alSourcei (Sources[globalindex], AL_BUFFER,   Buffers[globalindex]  );
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                alSourcef (Sources[globalindex], AL_PITCH,    1.0f                  );
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                alSourcef (Sources[globalindex], AL_GAIN,     1.0f                  );
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                alSourcefv(Sources[globalindex], AL_POSITION, SourcePos             );
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                alSourcefv(Sources[globalindex], AL_VELOCITY, SourceVel             );
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                alSourcei (Sources[globalindex], AL_LOOPING,  0                     );
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   229
                
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   230
                if (AlGetError("(%s) ERROR - Failed to set Source properties") != AL_TRUE)
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   231
                        return -7;
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   232
                
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   233
                alGetError();  /* clear any AL errors beforehand */
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   234
                
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   235
                /*returns the index of the source you just loaded, increments it and exits*/
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   236
                return globalindex++;
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   237
        }
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   238
        
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   239
        
2529
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        ALboolean openal_toggleloop (uint32_t index){
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                /*Set or unset looping mode*/
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                ALint loop;
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   243
                
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   244
                if (openalReady == AL_FALSE) {
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   245
                        errno = EPERM;                
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                        err_ret("(%s) WARN - OpenAL not initialized", prog);
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   247
                        return AL_FALSE;
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                }
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   249
                
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   250
                if (index >= globalsize) {
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   251
                        errno = EINVAL;
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                        err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
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                        return AL_FALSE;
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   254
                }
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   255
                
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   256
                alGetSourcei (Sources[index], AL_LOOPING, &loop);
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                alSourcei (Sources[index], AL_LOOPING, !((uint8_t) loop) & 0x00000001);
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   258
                if (AlGetError("(%s) ERROR - Failed to get or set loop property") != AL_TRUE)
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   259
                        return AL_FALSE;
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   260
                
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   261
                alGetError();  /* clear any AL errors beforehand */
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   262
                
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   263
                return AL_TRUE;
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   264
        }
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   266
        
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   267
        ALboolean openal_setvolume (uint32_t index, uint8_t percentage) {
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   268
                if (openalReady == AL_FALSE) {
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   269
                        errno = EPERM;                
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                        err_ret("(%s) WARN - OpenAL not initialized", prog);
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                        return AL_FALSE;
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   272
                }
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   273
                
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   274
                /*Set volume for sound number index*/
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   275
                if (index >= globalsize) {
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   276
                        errno = EINVAL;
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                        err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
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   278
                        return AL_FALSE;
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   279
                }
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   280
                
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   281
                if (percentage > 100)
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   282
                        percentage = 100;
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   283
                alSourcef (Sources[index], AL_GAIN, (float) percentage/100.0f);
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   284
                if (AlGetError2("(%s) ERROR -  Failed to set volume for sound %d\n", index) != AL_TRUE)
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   285
                        return AL_FALSE;
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   286
                
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   287
                alGetError();  /* clear any AL errors beforehand */
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   288
                
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   289
                return AL_TRUE;
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   290
        }
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   291
        
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   292
        
2529
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   293
        ALboolean openal_setglobalvolume (uint8_t percentage) {
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   294
                if (openalReady == AL_FALSE) {
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   295
                        errno = EPERM;                
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   296
                        err_ret("(%s) WARN - OpenAL not initialized", prog);
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   297
                        return AL_FALSE;
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   298
                }
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   299
                
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   300
                /*Set volume for all sounds*/		
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   301
                if (percentage > 100)
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   302
                        percentage = 100;
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   303
                alListenerf (AL_GAIN, (float) percentage/100.0f);
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   304
                if (AlGetError("(%s) ERROR -  Failed to set global volume") != AL_TRUE)
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   305
                        return AL_FALSE;
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   306
                
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   307
                alGetError();  /* clear any AL errors beforehand */
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   308
                
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   309
                return AL_TRUE;
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   310
        }
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   311
        
2529
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   312
        
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   313
        ALboolean openal_togglemute () {
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   314
                /*Mute or unmute sound*/
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   315
                ALfloat mute;
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   316
                
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   317
                if (openalReady == AL_FALSE) {
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   318
                        errno = EPERM;                
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   319
                        err_ret("(%s) WARN - OpenAL not initialized", prog);
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   320
                        return AL_FALSE;
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   321
                }
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   322
                
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   323
                alGetListenerf (AL_GAIN, &mute);
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   324
                if (mute > 0) 
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   325
                        mute = 0;
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   326
                else
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   327
                        mute = 1.0;
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   328
                alListenerf (AL_GAIN, mute);
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   329
                if (AlGetError("(%s) ERROR -  Failed to set mute property") != AL_TRUE)
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   330
                        return AL_FALSE;
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   331
                
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   332
                alGetError();  /* clear any AL errors beforehand */
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   333
                
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   334
                return AL_TRUE;
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   335
        }
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   336
        
2529
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   337
        
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   338
        ALboolean openal_fade (uint32_t index, uint16_t quantity, ALboolean direction) {
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diff changeset
   339
                /*Fade in or out by calling a helper thread*/
2494
1e10a47cabea THE fix for openalbridge
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diff changeset
   340
#ifndef _WIN32
2529
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   341
                pthread_t thread;
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   342
#else
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diff changeset
   343
                HANDLE Thread;
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   344
                DWORD threadID;
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1e10a47cabea THE fix for openalbridge
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diff changeset
   345
#endif
2529
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diff changeset
   346
                fade_t *fade;
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   347
                
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   348
                if (openalReady == AL_FALSE) {
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   349
                        errno = EPERM;                
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   350
                        err_ret("(%s) WARN - OpenAL not initialized", prog);
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   351
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   352
                }
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   353
                
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   354
                fade = (fade_t*) Malloc(sizeof(fade_t));
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   355
                fade->index = index;
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   356
                fade->quantity = quantity;
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   357
                
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   358
                if (index >= globalsize) {
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   359
                        errno = EINVAL;
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   360
                        err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
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parents: 2501
diff changeset
   361
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   362
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   363
                
51e5df1c8462 restore openalbridge to r2489
koda
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diff changeset
   364
                switch (direction) {
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   365
                        case FADE_IN:
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   366
#ifndef _WIN32
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   367
                                pthread_create(&thread, NULL, helper_fadein, (void*) fade);
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   368
#else
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   369
                                Thread = _beginthread(&helper_fadein, 0, (void*) fade);
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   370
#endif
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   371
                                break;
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   372
                        case FADE_OUT:
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   373
#ifndef _WIN32
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   374
                                pthread_create(&thread, NULL, helper_fadeout, (void*) fade);
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   375
#else
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   376
                                Thread = _beginthread(&helper_fadeout, 0, (void*) fade);
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   377
#endif	
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   378
                                break;
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   379
                        default:
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   380
                                errno = EINVAL;
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   381
                                err_ret("(%s) ERROR - Unknown direction for fading", prog, index, globalindex);
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   382
                                free(fade);
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   383
                                return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   384
                                break;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   385
                }
51e5df1c8462 restore openalbridge to r2489
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parents: 2501
diff changeset
   386
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   387
#ifndef _WIN32
51e5df1c8462 restore openalbridge to r2489
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diff changeset
   388
                pthread_detach(thread);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   389
#endif
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   390
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   391
                alGetError();  /* clear any AL errors beforehand */
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   392
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   393
                return AL_TRUE;
2419
dbaaba09146d really fix build and completes transition to errlib
koda
parents: 2418
diff changeset
   394
        }
dbaaba09146d really fix build and completes transition to errlib
koda
parents: 2418
diff changeset
   395
        
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   396
        
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   397
        ALboolean openal_fadeout (uint32_t index, uint16_t quantity) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   398
                /*wrapper for fadeout*/
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   399
                return openal_fade(index, quantity, FADE_OUT);
2419
dbaaba09146d really fix build and completes transition to errlib
koda
parents: 2418
diff changeset
   400
        }
2494
1e10a47cabea THE fix for openalbridge
koda
parents: 2446
diff changeset
   401
        
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   402
        
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   403
        ALboolean openal_fadein (uint32_t index, uint16_t quantity) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   404
                /*wrapper for fadein*/
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   405
                return openal_fade(index, quantity, FADE_IN);
2494
1e10a47cabea THE fix for openalbridge
koda
parents: 2446
diff changeset
   406
        }
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   407
        
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   408
        
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   409
        ALboolean openal_setposition (uint32_t index, float x, float y, float z) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   410
                if (openalReady == AL_FALSE) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   411
                        errno = EPERM;                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   412
                        err_ret("(%s) WARN - OpenAL not initialized", prog);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   413
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   414
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   415
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   416
                if (index >= globalsize) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   417
                        errno = EINVAL;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   418
                        err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   419
                        return AL_FALSE;
2494
1e10a47cabea THE fix for openalbridge
koda
parents: 2446
diff changeset
   420
                }
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   421
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   422
                alSource3f(Sources[index], AL_POSITION, x, y, z);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   423
                if (AlGetError2("(%s) ERROR - Failed to set position for sound %d)", index) != AL_TRUE)
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   424
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   425
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   426
                return AL_TRUE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   427
        }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   428
        
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   429
        
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   430
        ALboolean openal_playsound (uint32_t index){
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   431
                if (openalReady == AL_FALSE) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   432
                        errno = EPERM;                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   433
                        err_ret("(%s) WARN - OpenAL not initialized", prog);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   434
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   435
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   436
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   437
                /*Play sound number index*/
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   438
                if (index >= globalsize) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   439
                        errno = EINVAL;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   440
                        err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   441
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   442
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   443
                alSourcePlay(Sources[index]);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   444
                if (AlGetError2("(%s) ERROR - Failed to play sound %d)", index) != AL_TRUE)
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   445
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   446
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   447
                alGetError();  /* clear any AL errors beforehand */
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   448
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   449
                return AL_TRUE;
2494
1e10a47cabea THE fix for openalbridge
koda
parents: 2446
diff changeset
   450
        }
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   451
        
2494
1e10a47cabea THE fix for openalbridge
koda
parents: 2446
diff changeset
   452
        
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   453
        ALboolean openal_pausesound(uint32_t index){
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   454
                if (openalReady == AL_FALSE) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   455
                        errno = EPERM;                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   456
                        err_ret("(%s) WARN - OpenAL not initialized", prog);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   457
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   458
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   459
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   460
                /*Pause sound number index*/
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   461
                if (index >= globalsize) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   462
                        errno = EINVAL;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   463
                        err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   464
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   465
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   466
                alSourcePause(Sources[index]);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   467
                if (AlGetError2("(%s) ERROR - Failed to pause sound %d)", index) != AL_TRUE)
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   468
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   469
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   470
                return AL_TRUE;
2443
fececcbc2189 Smaxx patch for fixing all sound related issues on any system
koda
parents: 2437
diff changeset
   471
        }
fececcbc2189 Smaxx patch for fixing all sound related issues on any system
koda
parents: 2437
diff changeset
   472
        
fececcbc2189 Smaxx patch for fixing all sound related issues on any system
koda
parents: 2437
diff changeset
   473
        
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   474
        ALboolean openal_stopsound(uint32_t index){
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   475
                if (openalReady == AL_FALSE) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   476
                        errno = EPERM;                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   477
                        err_ret("(%s) WARN - OpenAL not initialized", prog);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   478
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   479
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   480
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   481
                /*Stop sound number index*/
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   482
                if (index >= globalsize) {
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   483
                        errno = EINVAL;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   484
                        err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   485
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   486
                }
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   487
                alSourceStop(Sources[index]);
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   488
                if (AlGetError2("(%s) ERROR - Failed to stop sound %d)", index) != AL_TRUE)
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   489
                        return AL_FALSE;
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   490
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   491
                alGetError();  /* clear any AL errors beforehand */
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   492
                
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   493
                return AL_TRUE;
2419
dbaaba09146d really fix build and completes transition to errlib
koda
parents: 2418
diff changeset
   494
        }
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   495
        
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   496
#ifdef __CPLUSPLUS
2443
fececcbc2189 Smaxx patch for fixing all sound related issues on any system
koda
parents: 2437
diff changeset
   497
}
2529
51e5df1c8462 restore openalbridge to r2489
koda
parents: 2501
diff changeset
   498
#endif