openalbridge/wrappers.c
author nemo
Thu, 23 Jul 2009 18:48:41 +0000
changeset 2269 00f5704f5f39
parent 2259 ca42efdce3ce
child 2415 35d09cbf819a
permissions -rw-r--r--
add extra semi-opaque layer of water to discolour objects in the water.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     1
/*
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     2
 * OpenAL Bridge - a simple portable library for OpenAL interface
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     3
 * Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com>
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     4
 *
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     5
 * This program is free software; you can redistribute it and/or modify
2257
7eb31efcfb9b updates licence and fix a memory leak (which was consuming iphone memory)
koda
parents: 2218
diff changeset
     6
 * it under the terms of the GNU Lesser General Public License as published by
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     7
 * the Free Software Foundation; version 2 of the License
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     8
 *
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2257
7eb31efcfb9b updates licence and fix a memory leak (which was consuming iphone memory)
koda
parents: 2218
diff changeset
    12
 * GNU Lesser General Public License for more details.
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    13
 *
2257
7eb31efcfb9b updates licence and fix a memory leak (which was consuming iphone memory)
koda
parents: 2218
diff changeset
    14
 * You should have received a copy of the GNU Lesser General Public License
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    15
 * along with this program; if not, write to the Free Software
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    16
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    17
 */
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    18
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    19
#include "wrappers.h"
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    20
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    21
#ifdef __CPLUSPLUS
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    22
extern "C" {
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
    23
#endif 
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    24
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    25
    extern ALint *Sources;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    26
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    27
    void *Malloc (size_t nbytes) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    28
        void *aptr;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    29
        if ((aptr = malloc(nbytes)) == NULL) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    30
            fprintf(stderr, "ERROR: not enough memory! malloc() failed\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    31
            exit(-1);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    32
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    33
        return aptr;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    34
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    35
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    36
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    37
    void *Realloc (void *aptr, size_t nbytes) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    38
        aptr = realloc(aptr, nbytes);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    39
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    40
        if (aptr == NULL) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    41
            fprintf(stderr, "ERROR: not enough memory! realloc() failed\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    42
            free(aptr);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    43
            exit(-1);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    44
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    45
        return aptr;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    46
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    47
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    48
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    49
    FILE *Fopen (const char *fname, char *mode)	{
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    50
        FILE *fp;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    51
        if ((fp=fopen(fname,mode)) == NULL)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    52
            fprintf (stderr, "ERROR: can't open file %s in mode '%s'\n", fname, mode);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    53
        return fp;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    54
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    55
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    56
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    57
    ALint AlGetError (const char *str) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    58
        ALenum error;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    59
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    60
        error = alGetError();
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    61
        if (error != AL_NO_ERROR) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    62
            fprintf(stderr, str, error);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    63
            return -2;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    64
        } else 
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    65
            return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    66
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    67
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    68
    ALint AlGetError2 (const char *str, int num) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    69
        ALenum error;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    70
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    71
        error = alGetError();
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    72
        if (error != AL_NO_ERROR) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    73
            fprintf(stderr, str, error, num);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    74
            return -2;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    75
        } else 
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    76
            return AL_TRUE;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    77
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    78
    
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
    79
#ifndef _WIN32
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    80
    void *helper_fadein(void *tmp) 
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
    81
#else
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    82
    void *helper_fadein(void *tmp) 
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
    83
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    84
    {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    85
        ALfloat gain;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    86
        ALfloat target_gain;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    87
        fade_t *fade;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    88
        uint32_t index; 
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    89
        uint16_t quantity; 
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    90
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    91
        fade = tmp;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    92
        index = fade->index;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    93
        quantity = fade->quantity;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    94
        free (fade);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    95
        
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
    96
#ifdef DEBUG
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    97
        fprintf(stderr, "Fade-out: index %d quantity %d\n", index, quantity);
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
    98
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
    99
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   100
        /*save the volume desired after the fade*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   101
        alGetSourcef(Sources[index], AL_GAIN, &target_gain);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   102
        if (target_gain > 1.0f || target_gain <= 0.0f)
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   103
            target_gain = 1.0f;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   104
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   105
        alSourcePlay(Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   106
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   107
        for (gain = 0.0f ; gain <= target_gain; gain += (float) quantity/10000) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   108
#ifdef DEBUG
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   109
            fprintf(stderr, "Fade-in: Set gain to: %f\n", gain);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   110
#endif
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   111
            alSourcef(Sources[index], AL_GAIN, gain);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   112
            usleep(10000);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   113
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   114
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   115
        AlGetError("ERROR %d: Setting fade in volume\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   116
        
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   117
#ifndef _WIN32
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   118
        pthread_exit(NULL);
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   119
#else
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   120
        _endthread();
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   121
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   122
        return 0;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   123
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   124
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   125
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   126
#ifndef _WIN32
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   127
    void *helper_fadeout(void *tmp) 
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   128
#else
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   129
    void *helper_fadeout(void *tmp) 	
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   130
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   131
    {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   132
        ALfloat gain;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   133
        ALfloat old_gain;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   134
        fade_t *fade;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   135
        uint32_t index; 
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   136
        uint16_t quantity; 
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   137
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   138
        fade = tmp;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   139
        index = fade->index;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   140
        quantity = fade->quantity;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   141
        free(fade);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   142
        
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   143
#ifdef DEBUG
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   144
        fprintf(stderr, "Fade-out: index %d quantity %d\n", index, quantity);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   145
#endif
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   146
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   147
        alGetSourcef(Sources[index], AL_GAIN, &old_gain);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   148
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   149
        for (gain = old_gain; gain >= 0.00f; gain -= (float) quantity/10000) {
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   150
#ifdef DEBUG
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   151
            fprintf(stderr, "Fade-out: Set gain to %f\n", gain);
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   152
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   153
            alSourcef(Sources[index], AL_GAIN, gain);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   154
            usleep(10000);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   155
        }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   156
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   157
        AlGetError("ERROR %d: Setting fade out volume\n");
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   158
        
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   159
        /*stop that sound and reset its volume*/
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   160
        alSourceStop (Sources[index]);
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   161
        alSourcef (Sources[index], AL_GAIN, old_gain);	
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   162
        
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   163
#ifndef _WIN32
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   164
        pthread_exit(NULL);
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   165
#else
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   166
        _endthread();
2210
1cb7118a77dd initial bugfix for volume setup
koda
parents: 2200
diff changeset
   167
#endif
2259
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   168
        return 0;
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   169
    }
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   170
    
ca42efdce3ce fix indentation and other cosmetic changes to lib
koda
parents: 2257
diff changeset
   171
    
2191
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   172
#ifdef __CPLUSPLUS
20c62f787a4d koda's OpenAL conversion:
unc0rr
parents:
diff changeset
   173
}
2216
82e7da49c26a -Smaxx' patch: checks for initialized openal + disables sound options if openal init fails
koda
parents: 2213
diff changeset
   174
#endif