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38
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1 #ifndef SOUNDDECODER_INTERNAL_H
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2 #define SOUNDDECODER_INTERNAL_H
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3
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4 #include <stdio.h>
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5 #include "al.h" /* OpenAL */
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6 #include "ALmixer_RWops.h"
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7
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8 #ifdef __cplusplus
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9 extern "C" {
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10 #endif
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11
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12
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13 typedef struct SoundDecoder_DecoderFunctions
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14 {
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15 const SoundDecoder_DecoderInfo info;
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16 int (*init)(void);
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17 void (*quit)(void);
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18 int (*open)(SoundDecoder_Sample *sample, const char *ext);
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19 void (*close)(SoundDecoder_Sample *sample);
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20 size_t (*read)(SoundDecoder_Sample *sample);
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21 int (*rewind)(SoundDecoder_Sample *sample);
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22 int (*seek)(SoundDecoder_Sample *sample, size_t ms);
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23 } SoundDecoder_DecoderFunctions;
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24
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25 typedef struct SoundDecoder_DecoderFunctions Sound_DecoderFunctions;
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26
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27
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28
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29 typedef struct SoundDecoder_SampleInternal
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30 {
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31 ALmixer_RWops *rw;
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32 const SoundDecoder_DecoderFunctions *funcs;
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33 void *buffer;
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34 size_t buffer_size;
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35 void *decoder_private;
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36 ptrdiff_t total_time;
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37 } SoundDecoder_SampleInternal;
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38
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39 typedef struct SoundDecoder_SampleInternal Sound_SampleInternal;
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40
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41 #define BAIL_MACRO(e, r) { SoundDecoder_SetError(e); return r; }
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42 #define BAIL_IF_MACRO(c, e, r) if (c) { SoundDecoder_SetError(e); return r; }
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43 #define ERR_OUT_OF_MEMORY "Out of memory"
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44 #define ERR_NOT_INITIALIZED "SoundDecoder not initialized"
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45 #define ERR_UNSUPPORTED_FORMAT "Unsupported codec"
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46 #define ERR_NULL_SAMPLE "Sound sample is NULL"
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47 #define ERR_PREVIOUS_SAMPLE_ERROR "Cannot operate on sample due to previous error"
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48 #define ERR_ALREADY_AT_EOF_ERROR "Cannot operate on sample because already at EOF"
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49
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50 #ifdef ANDROID_NDK
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51
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52 /* This macro crashes when a format string is used.
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53 * Provide a real function instead.
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54 #include <android/log.h>
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55 #define SNDDBG(x) __android_log_print(ANDROID_LOG_INFO, "Corona", x);
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56 */
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57 /* Android doesn't seem to understand the 'restrict' qualifier. */
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58 int SoundDecoder_DebugPrint(const char* format, ...);
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59 #define SNDDBG(x) SoundDecoder_DebugPrint x
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60
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61 #else
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62
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63 #if (defined DEBUG_CHATTER)
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64 #define SNDDBG(x) printf x
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65 #else
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66 #define SNDDBG(x)
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67 #endif
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68
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69 #endif
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70
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71 void SoundDecoder_SetError(const char* err_str, ...);
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72 #define __Sound_SetError SoundDecoder_SetError
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73
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74 int SoundDecoder_strcasecmp(const char *x, const char *y);
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75 #define __Sound_strcasecmp SoundDecoder_strcasecmp
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76
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77 /* Ends C function definitions when using C++ */
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78 #ifdef __cplusplus
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79 }
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80 #endif
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81
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82
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83 #endif
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84
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