1 | /* |
---|
2 | * This file should be #included as the first header in all *.c files. |
---|
3 | */ |
---|
4 | |
---|
5 | #if !defined(ALUT_INTERNAL_H) |
---|
6 | #define ALUT_INTERNAL_H |
---|
7 | |
---|
8 | #if HAVE_CONFIG_H |
---|
9 | #include "config.h" |
---|
10 | #endif |
---|
11 | |
---|
12 | #include <stdlib.h> |
---|
13 | |
---|
14 | #if HAVE_STDINT_H |
---|
15 | #include <stdint.h> |
---|
16 | #elif _MSC_VER < 1300 |
---|
17 | typedef char int8_t; |
---|
18 | typedef unsigned char uint8_t; |
---|
19 | typedef short int16_t; |
---|
20 | typedef unsigned short uint16_t; |
---|
21 | typedef int int32_t; |
---|
22 | typedef unsigned int uint32_t; |
---|
23 | #elif HAVE_BASETSD_H |
---|
24 | #include <basetsd.h> |
---|
25 | typedef INT8 int8_t; |
---|
26 | typedef UINT8 uint8_t; |
---|
27 | typedef INT16 int16_t; |
---|
28 | typedef UINT16 uint16_t; |
---|
29 | typedef INT32 int32_t; |
---|
30 | typedef UINT32 uint32_t; |
---|
31 | #else |
---|
32 | #error Do not know sized types on this platform |
---|
33 | #endif |
---|
34 | |
---|
35 | typedef int16_t Int16BigEndian; |
---|
36 | typedef uint16_t UInt16LittleEndian; |
---|
37 | typedef int32_t Int32BigEndian; |
---|
38 | typedef uint32_t UInt32LittleEndian; |
---|
39 | |
---|
40 | #if HAVE___ATTRIBUTE__ |
---|
41 | #define UNUSED(x) x __attribute__((unused)) |
---|
42 | #else |
---|
43 | #define UNUSED(x) x |
---|
44 | #endif |
---|
45 | |
---|
46 | #include <AL/alut.h> |
---|
47 | |
---|
48 | #define AU_HEADER_SIZE 24 |
---|
49 | |
---|
50 | /* see: http://en.wikipedia.org/wiki/Au_file_format, G.72x are missing */ |
---|
51 | enum AUEncoding |
---|
52 | { |
---|
53 | AU_ULAW_8 = 1, /* 8-bit ISDN u-law */ |
---|
54 | AU_PCM_8 = 2, /* 8-bit linear PCM (signed) */ |
---|
55 | AU_PCM_16 = 3, /* 16-bit linear PCM (signed, big-endian) */ |
---|
56 | AU_PCM_24 = 4, /* 24-bit linear PCM */ |
---|
57 | AU_PCM_32 = 5, /* 32-bit linear PCM */ |
---|
58 | AU_FLOAT_32 = 6, /* 32-bit IEEE floating point */ |
---|
59 | AU_FLOAT_64 = 7, /* 64-bit IEEE floating point */ |
---|
60 | AU_ALAW_8 = 27 /* 8-bit ISDN a-law */ |
---|
61 | }; |
---|
62 | |
---|
63 | /* in alutCodec.c */ |
---|
64 | typedef ALvoid *Codec (ALvoid *data, size_t length, ALint numChannels, |
---|
65 | ALint bitsPerSample, ALfloat sampleFrequency); |
---|
66 | extern Codec _alutCodecLinear; |
---|
67 | extern Codec _alutCodecPCM8s; |
---|
68 | extern Codec _alutCodecPCM16; |
---|
69 | extern Codec _alutCodecULaw; |
---|
70 | extern Codec _alutCodecALaw; |
---|
71 | |
---|
72 | /* in alutError.c */ |
---|
73 | extern void _alutSetError (ALenum err); |
---|
74 | |
---|
75 | /* in alutInit.c */ |
---|
76 | extern ALboolean _alutSanityCheck (void); |
---|
77 | |
---|
78 | /* in alutInputStream.c */ |
---|
79 | typedef struct InputStream_struct InputStream; |
---|
80 | extern InputStream *_alutInputStreamConstructFromFile (const char *fileName); |
---|
81 | extern InputStream *_alutInputStreamConstructFromMemory (const ALvoid *data, |
---|
82 | size_t length); |
---|
83 | extern const char *_alutInputStreamGetFileName (const InputStream *stream); |
---|
84 | extern size_t _alutInputStreamGetRemainingLength (const InputStream *stream); |
---|
85 | extern ALboolean _alutInputStreamDestroy (InputStream *stream); |
---|
86 | extern ALboolean _alutInputStreamEOF (InputStream *stream); |
---|
87 | extern ALvoid *_alutInputStreamRead (InputStream *stream, size_t length); |
---|
88 | extern ALboolean _alutInputStreamSkip (InputStream *stream, |
---|
89 | size_t numBytesToSkip); |
---|
90 | extern ALboolean _alutInputStreamReadUInt16LE (InputStream *stream, |
---|
91 | UInt16LittleEndian *value); |
---|
92 | extern ALboolean _alutInputStreamReadInt32BE (InputStream *stream, |
---|
93 | Int32BigEndian *value); |
---|
94 | extern ALboolean _alutInputStreamReadUInt32LE (InputStream *stream, |
---|
95 | UInt32LittleEndian *value); |
---|
96 | |
---|
97 | /* in alutLoader.c */ |
---|
98 | extern ALuint _alutCreateBufferFromInputStream (InputStream *stream); |
---|
99 | extern void *_alutLoadMemoryFromInputStream (InputStream *stream, |
---|
100 | ALenum *format, ALsizei *size, |
---|
101 | ALfloat *frequency); |
---|
102 | |
---|
103 | /* in alutOutputStream.c */ |
---|
104 | typedef struct OutputStream_struct OutputStream; |
---|
105 | extern OutputStream *_alutOutputStreamConstruct (size_t maximumLength); |
---|
106 | extern ALboolean _alutOutputStreamDestroy (OutputStream *stream); |
---|
107 | extern void *_alutOutputStreamGetData (OutputStream *stream); |
---|
108 | extern size_t _alutOutputStreamGetLength (OutputStream *stream); |
---|
109 | extern ALboolean _alutOutputStreamWriteInt16BE (OutputStream *stream, |
---|
110 | Int16BigEndian value); |
---|
111 | extern ALboolean _alutOutputStreamWriteInt32BE (OutputStream *stream, |
---|
112 | Int32BigEndian value); |
---|
113 | |
---|
114 | /* in alutUtil.c */ |
---|
115 | extern ALvoid *_alutMalloc (size_t size); |
---|
116 | extern ALboolean _alutFormatConstruct (ALint numChannels, ALint bitsPerSample, |
---|
117 | ALenum *format); |
---|
118 | extern ALboolean _alutFormatGetNumChannels (ALenum format, |
---|
119 | ALint *numChannels); |
---|
120 | extern ALboolean _alutFormatGetBitsPerSample (ALenum format, |
---|
121 | ALint *bitsPerSample); |
---|
122 | |
---|
123 | /* in alutWaveform.c */ |
---|
124 | typedef struct BufferData_struct BufferData; |
---|
125 | extern BufferData *_alutBufferDataConstruct (ALvoid *data, size_t length, |
---|
126 | ALint numChannels, |
---|
127 | ALint bitsPerSample, |
---|
128 | ALfloat sampleFrequency); |
---|
129 | extern ALboolean _alutBufferDataDestroy (BufferData *bufferData); |
---|
130 | extern void _alutBufferDataDetachData (BufferData *bufferData); |
---|
131 | extern ALvoid *_alutBufferDataGetData (const BufferData *bufferData); |
---|
132 | extern size_t _alutBufferDataGetLength (const BufferData *bufferData); |
---|
133 | extern ALfloat _alutBufferDataGetSampleFrequency (const BufferData |
---|
134 | *bufferData); |
---|
135 | extern ALboolean _alutGetFormat (const BufferData *bufferData, |
---|
136 | ALenum *format); |
---|
137 | extern ALuint _alutPassBufferData (BufferData *bufferData); |
---|
138 | |
---|
139 | #endif /* not ALUT_INTERNAL_H */ |
---|