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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 |