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44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
////////////////////////////////////////////////////////////////////////////
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// **** ADPCM-XQ **** //
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// Xtreme Quality ADPCM Encoder/Decoder //
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// Copyright (c) 2015 David Bryant. //
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// All Rights Reserved. //
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// Distributed under the BSD Software License (see license.txt) //
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////////////////////////////////////////////////////////////////////////////
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#ifndef ADPCMLIB_H_
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#define ADPCMLIB_H_
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#define NOISE_SHAPING_OFF 0 // flat noise (no shaping)
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#define NOISE_SHAPING_STATIC 1 // first-order highpass shaping
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#define NOISE_SHAPING_DYNAMIC 2 // dynamically tilted noise based on signal
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#if defined(_MSC_VER) && _MSC_VER < 1600
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typedef unsigned __int64 uint64_t;
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typedef unsigned __int32 uint32_t;
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typedef unsigned __int16 uint16_t;
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typedef unsigned __int8 uint8_t;
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typedef __int64 int64_t;
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typedef __int32 int32_t;
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typedef __int16 int16_t;
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typedef __int8 int8_t;
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#else
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#include <stdint.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void *adpcm_create_context (int num_channels, int lookahead, int noise_shaping, int32_t initial_deltas [2]);
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int adpcm_encode_block (void *p, uint8_t *outbuf, size_t *outbufsize, const int16_t *inbuf, int inbufcount);
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int adpcm_decode_block (int16_t *outbuf, const uint8_t *inbuf, size_t inbufsize, size_t outbufsize);
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void adpcm_free_context (void *p);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ADPCMLIB_H_ */
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