17 */ |
17 */ |
18 |
18 |
19 #include "wrappers.h" |
19 #include "wrappers.h" |
20 #include "openalbridge_t.h" |
20 #include "openalbridge_t.h" |
21 |
21 |
22 extern ALint *Sources; |
|
23 |
22 |
24 void *Malloc (size_t nbytes) { |
23 void *Malloc (size_t nbytes) { |
25 void *aptr; |
24 void *aptr; |
26 |
25 |
27 if ((aptr = malloc(nbytes)) == NULL) { |
26 if ((aptr = malloc(nbytes)) == NULL) { |
28 fprintf(stderr,"(Bridge Fatal Error) - not enough memory"); |
27 fprintf(stderr,"(Bridge FATAL) - not enough memory\n"); |
29 abort(); |
28 abort(); |
30 } |
29 } |
31 |
30 |
32 return aptr; |
31 return aptr; |
33 } |
32 } |
34 |
33 |
35 |
34 |
36 void *Realloc (void *aptr, size_t nbytes) { |
35 void *Realloc (void *aptr, size_t nbytes) { |
37 aptr = realloc(aptr, nbytes); |
36 aptr = realloc(aptr, nbytes); |
38 |
37 |
39 if (aptr == NULL) { |
38 if (aptr == NULL) { |
40 fprintf(stderr,"(Bridge Fatal Error) - not enough memory"); |
39 fprintf(stderr,"(Bridge FATAL) - not enough memory\n"); |
41 abort(); |
40 abort(); |
42 } |
41 } |
43 |
42 |
44 return aptr; |
43 return aptr; |
45 } |
44 } |
48 FILE *Fopen (const char *fname, char *mode) { |
47 FILE *Fopen (const char *fname, char *mode) { |
49 FILE *fp; |
48 FILE *fp; |
50 |
49 |
51 fp = fopen(fname,mode); |
50 fp = fopen(fname,mode); |
52 if (fp == NULL) |
51 if (fp == NULL) |
53 fprintf(stderr,"(Bridge Error) - can't open file %s in mode '%s'", fname, mode); |
52 fprintf(stderr,"(Bridge Error) - can't open file %s in mode '%s'\n", fname, mode); |
54 |
53 |
55 return fp; |
54 return fp; |
56 } |
55 } |
57 |
56 |
58 |
57 |
59 void helper_fade(void *tmp) { |
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60 ALfloat gain; |
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61 ALfloat target_gain; |
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62 fade_t *fade; |
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63 uint32_t index; |
|
64 uint16_t quantity; |
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65 al_fade_t type; |
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66 |
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67 fade = tmp; |
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68 index = fade->index; |
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69 quantity = fade->quantity; |
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70 type = fade->type; |
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71 free (fade); |
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72 |
|
73 if (type == AL_FADE_IN) { |
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74 #ifdef DEBUG |
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75 fprintf(stderr,"(Bridge Info) - Fade-in in progress [index %d quantity %d]", index, quantity); |
|
76 #endif |
|
77 |
|
78 // save the volume desired after the fade |
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79 alGetSourcef(Sources[index], AL_GAIN, &target_gain); |
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80 if (target_gain > 1.0f || target_gain <= 0.0f) |
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81 target_gain = 1.0f; |
|
82 |
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83 alSourcePlay(Sources[index]); |
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84 |
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85 for (gain = 0.0f ; gain <= target_gain; gain += (float) quantity/10000) { |
|
86 #ifdef TRACE |
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87 err_msg("(%s) DEBUG - Fade-in set gain to %f", gain); |
|
88 #endif |
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89 alSourcef(Sources[index], AL_GAIN, gain); |
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90 usleep(10000); |
|
91 } |
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92 } else { |
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93 alGetSourcef(Sources[index], AL_GAIN, &target_gain); |
|
94 |
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95 for (gain = target_gain; gain >= 0.00f; gain -= (float) quantity/10000) { |
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96 #ifdef TRACE |
|
97 err_msg("(%s) DEBUG - Fade-out set gain to %f", gain); |
|
98 #endif |
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99 alSourcef(Sources[index], AL_GAIN, gain); |
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100 usleep(10000); |
|
101 } |
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102 |
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103 if (AL_NO_ERROR != alGetError()) |
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104 fprintf(stderr,"(Bridge Warning) - Failed to set fade-out effect"); |
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105 |
|
106 // stop that sound and reset its volume |
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107 alSourceStop (Sources[index]); |
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108 alSourcef (Sources[index], AL_GAIN, target_gain); |
|
109 } |
|
110 |
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111 if (AL_NO_ERROR != alGetError()) |
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112 fprintf(stderr,"(Bridge Warning) - Failed to set fade effect"); |
|
113 |
|
114 #ifndef _WIN32 |
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115 pthread_exit(NULL); |
|
116 #else |
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117 _endthread(); |
|
118 #endif |
|
119 } |
|
120 |
|