Schroedinger Reference Manual | ||||
---|---|---|---|---|
Top | Description |
struct SchroUnpack; void schro_unpack_byte_sync (SchroUnpack *unpack
); void schro_unpack_copy (SchroUnpack *dest
,SchroUnpack *src
); unsigned int schro_unpack_decode_bit (SchroUnpack *unpack
); unsigned int schro_unpack_decode_bits (SchroUnpack *unpack
,int n
); int schro_unpack_decode_sint (SchroUnpack *unpack
); void schro_unpack_decode_sint_s16 (int16_t *dest
,SchroUnpack *unpack
,int n
); int schro_unpack_decode_sint_slow (SchroUnpack *unpack
); unsigned int schro_unpack_decode_uint (SchroUnpack *unpack
); int schro_unpack_get_bits_read (SchroUnpack *unpack
); int schro_unpack_get_bits_remaining (SchroUnpack *unpack
); void schro_unpack_init_with_data (SchroUnpack *unpack
,uint8_t *data
,int n_bytes
,unsigned int guard_bit
); void schro_unpack_limit_bits_remaining (SchroUnpack *unpack
,int n_bits
); void schro_unpack_skip_bits (SchroUnpack *unpack
,int n_bits
);
struct SchroUnpack { /* pointer to data that haven't been shifted into the shift register */ uint8_t *data; /* number of bits remaining that haven't been shifted into the shift * register */ int n_bits_left; /* number of bits read by reader */ int n_bits_read; /* chunk of bits we're currently frobbing, aligned to (1<<31) */ uint32_t shift_register; int n_bits_in_shift_register; /* bit pattern used after an error */ unsigned int guard_bit; /* unpacking has overrun the end of the buffer */ int overrun; };
void schro_unpack_decode_sint_s16 (int16_t *dest
,SchroUnpack *unpack
,int n
);
void schro_unpack_init_with_data (SchroUnpack *unpack
,uint8_t *data
,int n_bytes
,unsigned int guard_bit
);
void schro_unpack_limit_bits_remaining (SchroUnpack *unpack
,int n_bits
);