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Rev | Author | Line No. | Line |
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8039 | hidnplayr | 1 | // OGG vorbis for KolibriOS in native shared COFF library format. |
2 | |||
3 | // https://github.com/nothings/stb/blob/master/stb_vorbis.c |
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4 | |||
5 | // Some functions to allow us building without any external libs |
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6 | |||
7 | #include |
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8 | |||
9 | void* memset(void *base, int val, size_t len) |
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10 | { |
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11 | int i; |
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12 | for (i=0; i < len; ++i) ((char *) base)[i] = val; |
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13 | } |
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14 | |||
15 | int memcmp(const void *p1, const void *p2, size_t len) |
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16 | { |
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17 | unsigned char *q1 = (unsigned char *) p1; |
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18 | unsigned char *q2 = (unsigned char *) p2; |
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19 | int i; |
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20 | for (i=0; i < len; ++i) |
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21 | if (q1[i] < q2[i]) return -1; |
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22 | else if (q1[i] > q2[i]) return 1; |
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23 | return 0; |
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24 | } |
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25 | |||
26 | void* memcpy(void *dest, const void *src, size_t num) |
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27 | { |
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28 | int i; |
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29 | for (i=0; i < num; ++i) |
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30 | ((char *)dest)[i] = ((char *) src)[i]; |
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31 | } |
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32 | |||
33 | double powerd (double x, int y) |
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34 | { |
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35 | double temp; |
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36 | if (y == 0) |
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37 | return 1; |
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38 | temp = powerd (x, y / 2); |
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39 | if ((y % 2) == 0) { |
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40 | return temp * temp; |
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41 | } else { |
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42 | if (y > 0) |
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43 | return x * temp * temp; |
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44 | else |
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45 | return (temp * temp) / x; |
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46 | } |
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47 | } |
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48 | |||
49 | double ldexp(double Value, int Exponent) |
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50 | { |
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51 | return((Value * powerd(2.0, Exponent))); |
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52 | } |
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53 | |||
54 | #include "qsort.c" |
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55 | |||
56 | // For building with mingw compiler |
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57 | __attribute__((externally_visible)) void __chkstk_ms(){ |
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58 | return; |
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59 | } |
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60 | |||
61 | # define assert(expr) ((void) (0)) |
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62 | |||
63 | // Actual stb_vorbis related stuff starts here |
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64 | |||
65 | #define STB_VORBIS_NO_STDIO 1 |
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66 | #define STB_VORBIS_NO_CRT 1 |
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67 | //#define STB_VORBIS_NO_PULLDATA_API 1 |
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68 | |||
69 | #include "stb_vorbis.c" |
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70 | |||
71 | // KolibriOS type EXPORTS header |
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72 | |||
73 | int __stdcall libInit(){ |
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74 | return 1; |
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75 | } |
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76 | |||
77 | typedef struct{ |
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78 | char *name; |
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79 | void *f; |
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80 | }export_t; |
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81 | |||
82 | char szLibInit[] ="lib_init"; |
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83 | char szVersion[] ="version"; |
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84 | char szPushDataOpen[] ="pushdata_open"; |
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85 | char szPushDataDecode[] ="pushdata_decode"; |
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86 | char szPushDataFlush[] ="pushdata_flush"; |
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87 | //char szConvertSamplesShort[] = "convert_samples_short"; |
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88 | char szConvertSamplesShortInterleaved[] = "convert_channels_short_interleaved"; |
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89 | |||
90 | __attribute__((externally_visible)) export_t EXPORTS[] __asm__("EXPORTS") = |
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91 | { |
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92 | { szLibInit, libInit }, |
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93 | { szVersion, (void*)0x00010001 }, |
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94 | { szPushDataOpen, stb_vorbis_open_pushdata }, |
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95 | { szPushDataDecode, stb_vorbis_decode_frame_pushdata }, |
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96 | { szPushDataFlush, stb_vorbis_flush_pushdata}, |
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97 | //{ szConvertSamplesShort, convert_samples_short}, |
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98 | { szConvertSamplesShortInterleaved, convert_channels_short_interleaved}, |
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99 | |||
100 | { NULL, NULL }, |
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101 | }; |
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102 | |||
103 | // End of file>>>> |