Mercurial > almixer_isolated
annotate Isolated/SoundDecoder.h @ 79:358b0bd5df43 tip
Added support for Apportable's alcSuspend()/alcResume() in BeginInterruption()/EndInterruption. You must define ALMIXER_USE_APPORTABLE_OPENAL_EXTENSIONS to compile in this support.
| author | Eric Wing <ewing@coronalabs.com> |
|---|---|
| date | Tue, 30 Oct 2012 16:01:30 -0700 |
| parents | 398d1cb12448 |
| children |
| rev | line source |
|---|---|
| 38 | 1 |
| 2 /* | |
| 3 * This is a wrapper interface that tries to provide a similar | |
| 4 * front-end interface to SDL_sound. | |
| 5 */ | |
| 6 | |
| 7 #ifndef SOUNDDECODER_H | |
| 8 #define SOUNDDECODER_H | |
| 9 | |
| 10 #ifdef __cplusplus | |
| 11 extern "C" { | |
| 12 #endif | |
| 13 | |
|
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14 #if defined(_WIN32) |
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15 #if defined(SOUND_DECODER_BUILD_LIBRARY) |
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16 #define SOUND_DECODER_DECLSPEC __declspec(dllexport) |
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17 #else |
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18 #define SOUND_DECODER_DECLSPEC |
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19 #endif |
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208a9ed20087
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20 #else |
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208a9ed20087
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21 #if defined(SOUND_DECODER_BUILD_LIBRARY) |
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22 #if defined (__GNUC__) && __GNUC__ >= 4 |
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23 #define SOUND_DECODER_DECLSPEC __attribute__((visibility("default"))) |
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24 #else |
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25 #define SOUND_DECODER_DECLSPEC |
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26 #endif |
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27 #else |
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28 #define SOUND_DECODER_DECLSPEC |
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29 #endif |
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30 #endif |
| 38 | 31 |
|
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32 #if defined(_WIN32) |
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33 #define SOUND_DECODER_CALL __cdecl |
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34 #else |
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35 #define SOUND_DECODER_CALL |
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36 #endif |
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37 |
| 38 | 38 #include <stdint.h> |
| 39 #include <stddef.h> | |
| 40 | |
| 41 #include "al.h" /* OpenAL */ | |
| 42 | |
| 43 /* Compatibility defines for SDL */ | |
| 44 #define AUDIO_U8 0x0008 | |
| 45 #define AUDIO_S8 0x8008 | |
| 46 #define AUDIO_U16LSB 0x0010 | |
| 47 #define AUDIO_S16LSB 0x8010 | |
| 48 #define AUDIO_U16MSB 0x1010 | |
| 49 #define AUDIO_S16MSB 0x9010 | |
| 50 #define AUDIO_U16 AUDIO_U16LSB | |
| 51 #define AUDIO_S16 AUDIO_S16LSB | |
| 52 | |
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53 /* Apple defines __BIG_ENDIAN__ and __LITTLE_ENDIAN__ appropriately. |
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54 * Linux provides <endian.h> |
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55 */ |
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56 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__) |
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57 #ifdef __linux__ |
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58 #include <endian.h> |
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59 #if _BYTE_ORDER == _BIG_ENDIAN |
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60 #define __BIG_ENDIAN__ 1 |
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61 #else |
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62 #define __LITTLE_ENDIAN__ 1 |
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63 #endif |
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64 #else /* __linux __ */ |
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65 #if defined(__hppa__) || \ |
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66 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \ |
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67 (defined(__MIPS__) && defined(__MISPEB__)) || \ |
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68 defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \ |
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69 defined(__sparc__) |
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70 |
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71 #define __BIG_ENDIAN__ 1 |
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72 #else |
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73 #define __LITTLE_ENDIAN__ 1 |
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74 #endif |
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75 #endif /* __linux __ */ |
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76 #endif /* */ |
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77 |
| 38 | 78 |
| 79 #if __BIG_ENDIAN__ | |
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80 /* #warning "Using __BIG_ENDIAN__" */ |
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81 #define AUDIO_U16SYS AUDIO_U16MSB |
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82 #define AUDIO_S16SYS AUDIO_S16MSB |
| 38 | 83 #elif __LITTLE_ENDIAN__ |
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84 #define AUDIO_U16SYS AUDIO_U16LSB |
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85 #define AUDIO_S16SYS AUDIO_S16LSB |
| 38 | 86 #else |
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87 #warning "Using __LITTLE_ENDIAN__ as fallback" |
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88 #define AUDIO_U16SYS AUDIO_U16LSB |
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89 #define AUDIO_S16SYS AUDIO_S16LSB |
| 38 | 90 #endif |
| 91 | |
| 92 struct ALmixer_RWops; | |
| 93 | |
| 94 typedef enum | |
| 95 { | |
| 96 SOUND_SAMPLEFLAG_NONE = 0, | |
| 97 SOUND_SAMPLEFLAG_CANSEEK = 1, | |
| 98 SOUND_SAMPLEFLAG_EOF = 1 << 29, | |
| 99 SOUND_SAMPLEFLAG_ERROR = 1 << 30, | |
| 100 SOUND_SAMPLEFLAG_EAGAIN = 1 << 31 | |
| 101 } SoundDecoder_SampleFlags; | |
| 102 | |
| 103 #define Sound_SampleFlags SoundDecoder_SampleFlags; | |
| 104 | |
| 105 typedef struct SoundDecoder_AudioInfo | |
| 106 { | |
| 107 //uint16_t format; /**< Equivalent of SDL_AudioSpec.format. */ | |
| 108 ALushort format; /**< Equivalent of SDL_AudioSpec.format. */ | |
| 109 ALubyte channels; | |
| 110 // uint8_t channels; | |
| 111 //uint32_t rate; | |
| 112 ALuint rate; | |
| 113 } SoundDecoder_AudioInfo; | |
| 114 | |
| 115 //#define Sound_AudioInfo SoundDecoder_AudioInfo; | |
| 116 typedef struct SoundDecoder_AudioInfo Sound_AudioInfo; | |
| 117 | |
| 118 | |
| 119 | |
| 120 typedef struct SoundDecoder_DecoderInfo | |
| 121 { | |
| 122 const char** extensions; | |
| 123 const char* description; | |
| 124 const char* author; | |
| 125 const char* url; | |
| 126 } SoundDecoder_DecoderInfo; | |
| 127 | |
| 128 //#define Sound_DecoderInfo SoundDecoder_DecoderInfo; | |
| 129 typedef struct SoundDecoder_DecoderInfo Sound_DecoderInfo; | |
| 130 | |
| 131 | |
| 132 | |
| 133 typedef struct SoundDecoder_Sample | |
| 134 { | |
| 135 void* opaque; | |
| 136 const SoundDecoder_DecoderInfo* decoder; | |
| 137 SoundDecoder_AudioInfo desired; | |
| 138 SoundDecoder_AudioInfo actual; | |
| 139 void *buffer; | |
| 140 size_t buffer_size; | |
| 141 SoundDecoder_SampleFlags flags; | |
| 142 } SoundDecoder_Sample; | |
| 143 | |
| 144 //#define Sound_Sample SoundDecoder_Sample; | |
| 145 typedef struct SoundDecoder_Sample Sound_Sample; | |
| 146 | |
| 147 | |
| 148 typedef struct SoundDecoder_Version | |
| 149 { | |
| 150 int major; | |
| 151 int minor; | |
| 152 int patch; | |
| 153 } SoundDecoder_Version; | |
| 154 | |
| 155 //#define Sound_Version SoundDecoder_Version; | |
| 156 typedef struct SoundDecoder_Version Sound_Version; | |
| 157 | |
| 158 | |
| 159 #define SOUNDDECODER_VER_MAJOR 0 | |
| 160 #define SOUNDDECODER_VER_MINOR 0 | |
| 161 #define SOUNDDECODER_VER_PATCH 1 | |
| 162 | |
| 163 #define SOUNDDECODER_VERSION(x) \ | |
| 164 { \ | |
| 165 (x)->major = SOUNDDECODER_VER_MAJOR; \ | |
| 166 (x)->minor = SOUNDDECODER_VER_MINOR; \ | |
| 167 (x)->patch = SOUNDDECODER_VER_PATCH; \ | |
| 168 } | |
| 169 | |
| 170 #define SOUND_VERSION SOUNDDECODER_VERSION | |
| 171 | |
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172 extern SOUND_DECODER_DECLSPEC void SOUND_DECODER_CALL SoundDecoder_GetLinkedVersion(SoundDecoder_Version *ver); |
| 38 | 173 #define Sound_GetLinkedVersion SoundDecoder_GetLinkedVersion |
| 174 | |
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175 extern SOUND_DECODER_DECLSPEC int SOUND_DECODER_CALL SoundDecoder_Init(void); |
| 38 | 176 #define Sound_Init SoundDecoder_Init |
| 177 | |
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178 extern SOUND_DECODER_DECLSPEC void SOUND_DECODER_CALL SoundDecoder_Quit(void); |
| 38 | 179 #define Sound_Quit SoundDecoder_Quit |
| 180 | |
| 181 | |
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182 extern SOUND_DECODER_DECLSPEC const SOUND_DECODER_CALL SoundDecoder_DecoderInfo** SoundDecoder_AvailableDecoders(void); |
| 38 | 183 #define Sound_AvailableDecoders SoundDecoder_AvailableDecoders |
| 184 | |
| 185 | |
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186 extern SOUND_DECODER_DECLSPEC const char* SOUND_DECODER_CALL SoundDecoder_GetError(void); |
| 38 | 187 #define Sound_GetError SoundDecoder_GetError |
| 188 | |
| 189 | |
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190 extern SOUND_DECODER_DECLSPEC void SOUND_DECODER_CALL SoundDecoder_ClearError(void); |
| 38 | 191 #define Sound_ClearError SoundDecoder_ClearError |
| 192 | |
| 193 | |
| 194 | |
|
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195 extern SOUND_DECODER_DECLSPEC SoundDecoder_Sample* SOUND_DECODER_CALL SoundDecoder_NewSample( |
| 38 | 196 struct ALmixer_RWops* rw_ops, |
| 197 const char* ext, | |
| 198 SoundDecoder_AudioInfo* desired, | |
| 199 size_t buffer_size); | |
| 200 #define Sound_NewSample SoundDecoder_NewSample | |
| 201 | |
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202 extern SOUND_DECODER_DECLSPEC SoundDecoder_Sample* SOUND_DECODER_CALL SoundDecoder_NewSampleFromFile(const char* file_name, |
| 38 | 203 SoundDecoder_AudioInfo* desired, |
| 204 size_t bufferSize); | |
| 205 #define Sound_NewSampleFromFile SoundDecoder_NewSampleFromFile | |
| 206 | |
| 207 | |
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208 extern SOUND_DECODER_DECLSPEC void SOUND_DECODER_CALL SoundDecoder_FreeSample(SoundDecoder_Sample* sound_sample); |
| 38 | 209 #define Sound_FreeSample SoundDecoder_FreeSample |
| 210 | |
| 211 | |
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212 extern SOUND_DECODER_DECLSPEC ptrdiff_t SOUND_DECODER_CALL SoundDecoder_GetDuration(SoundDecoder_Sample* sound_sample); |
| 38 | 213 #define Sound_GetDuration SoundDecoder_GetDuration |
| 214 | |
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215 extern SOUND_DECODER_DECLSPEC int SOUND_DECODER_CALL SoundDecoder_SetBufferSize(SoundDecoder_Sample* sound_sample, size_t new_buffer_size); |
| 38 | 216 #define Sound_SetBufferSize SoundDecoder_SetBufferSize |
| 217 | |
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218 extern SOUND_DECODER_DECLSPEC size_t SOUND_DECODER_CALL SoundDecoder_Decode(SoundDecoder_Sample* sound_sample); |
| 38 | 219 #define Sound_Decode SoundDecoder_Decode |
| 220 | |
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56
208a9ed20087
Added explicit symbol visibility markers to audio support files in ALmixer for public headers so they can be built as a dynamic library if needed.
Eric Wing <ewing@anscamobile.com>
parents:
38
diff
changeset
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221 extern SOUND_DECODER_DECLSPEC size_t SOUND_DECODER_CALL SoundDecoder_DecodeAll(SoundDecoder_Sample* sound_sample); |
| 38 | 222 #define Sound_DecodeAll SoundDecoder_DecodeAll |
| 223 | |
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56
208a9ed20087
Added explicit symbol visibility markers to audio support files in ALmixer for public headers so they can be built as a dynamic library if needed.
Eric Wing <ewing@anscamobile.com>
parents:
38
diff
changeset
|
224 extern SOUND_DECODER_DECLSPEC int SOUND_DECODER_CALL SoundDecoder_Rewind(SoundDecoder_Sample* sound_sample); |
| 38 | 225 #define Sound_Rewind SoundDecoder_Rewind |
| 226 | |
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56
208a9ed20087
Added explicit symbol visibility markers to audio support files in ALmixer for public headers so they can be built as a dynamic library if needed.
Eric Wing <ewing@anscamobile.com>
parents:
38
diff
changeset
|
227 extern SOUND_DECODER_DECLSPEC int SOUND_DECODER_CALL SoundDecoder_Seek(SoundDecoder_Sample* sound_sample, size_t ms); |
| 38 | 228 #define Sound_Seek SoundDecoder_Seek |
| 229 | |
| 230 | |
| 231 /* Ends C function definitions when using C++ */ | |
| 232 #ifdef __cplusplus | |
| 233 } | |
| 234 #endif | |
| 235 | |
| 236 #endif | |
| 237 |