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- enum {
- AU_ULAW = 1,
- AU_PCM8 = 2,
- AU_PCM16,
- AU_PCM24,
- AU_PCM32,
- AU_FLOAT32 = 6,
- AU_FLOAT64,
- AU_FIXED8 = 10,
- AU_FIXED16,
- AU_FIXED24,
- AU_FIXED32,
- AU_ALAW = 27,
- AU_ENCMAX = 27
- };
- #define AU_MAGIC UINT32_C(0x2E736E64)
- #define AU_COUNT 6
- #define AU_SIZE (AU_COUNT * sizeof(uint32_t))
- #define AU_INITIALIZER { AU_SIZE, UINT32_MAX, AU_PCM16, 48000, 1 }
- struct au {
- uint32_t au_off;
- uint32_t au_size;
- uint32_t au_enc;
- uint32_t au_rate;
- uint32_t au_chan;
- };
- #define au_vsize(au) au_encsize((au)->au_enc)
- #define au_ssize(au) (au_vsize(au) * (au)->au_chan)
- #define au_bswap(au, b, s) au_encbswap((au)->au_enc, (b), (s))
- #define au_nswap(au, b, s) au_encnswap((au)->au_enc, (b), (s))
- int au_gethdr(struct au *, const void *);
- int au_puthdr(struct au *, void *);
- const char *au_encstr(uint32_t);
- #define au_strenc(str) au_strencp((str), NULL)
- uint32_t au_strencp(const char *, const char **);
- size_t au_encsize(uint32_t);
- int au_encbswap(uint32_t, void *, size_t);
- int au_encnswap(uint32_t, void *, size_t);
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