mirror of
https://github.com/mpv-player/mpv
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35 lines
1.4 KiB
C
35 lines
1.4 KiB
C
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#ifndef COMMON_H
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#define COMMON_H
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <math.h>
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#define DATABLOCK1 20 /* size of 14.4 input block in bytes */
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#define DATABLOCK2 38 /* size of 28.8 input block in bytes */
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#define DATACHUNK1 1440 /* size of 14.4 input chunk in bytes */
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#define DATACHUNK2 2736 /* size of 28.8 input chunk in bytes */
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#define AUDIOBLOCK 160 /* size of output block in 16-bit words (320 bytes) */
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//#define AUDIOBUFFER 11520 /* size of output buffer in 16-bit words (23040 bytes) */
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#define AUDIOBUFFER 12288 /* size of output buffer in 16-bit words (24576 bytes) */
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typedef void Real_144;
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typedef void Real_288;
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typedef void Real_dnet;
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/* common prototypes */
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Real_144 *init_144 (void);
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Real_288 *init_288 (void);
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Real_dnet *init_dnet (void);
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void free_144 (Real_144 *global);
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void free_288 (Real_288 *global);
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void free_dnet (Real_dnet *global);
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void deinterleave (unsigned char *in, unsigned char *out, unsigned int size);
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void swapbytes (unsigned char *in, unsigned char *out, unsigned int len);
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void decode_144 (Real_144 *global, unsigned char *source, signed short *target);
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void decode_288 (Real_288 *global, unsigned char *in, signed short *out);
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int decode_dnet (Real_dnet *global, unsigned char *in, signed short *out, int *freq, int chans);
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#endif /* !COMMON_H */
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