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#ifndef LIBAE_H
#define LIBAE_H
#include <inttypes.h>
struct internal_state;
typedef struct _ae_stream
{
const uint8_t *next_in;
size_t avail_in; /* number of bytes available at
* next_in */
size_t total_in; /* total number of input bytes read so
* far */
uint8_t *next_out;
size_t avail_out; /* remaining free space at next_out */
size_t total_out; /* total number of bytes output so far */
uint32_t bit_per_sample; /* resolution in bits per sample (n =
* 1,..., 32) */
uint32_t block_size; /* block size in samples (J = 8 or 16) */
uint32_t segment_size; /* set of blocks between consecutive
* reference samples */
uint32_t flags;
struct internal_state *state;
} ae_stream;
typedef ae_stream *ae_streamp;
/* Coder flags */
#define AE_DATA_UNSIGNED 0
#define AE_DATA_SIGNED 1
#define AE_DATA_PREPROCESS 2 /* Set if preprocessor should be used */
/* Return codes of library functions */
#define AE_OK 0
#define AE_STREAM_END 1
#define AE_ERRNO (-1)
#define AE_STREAM_ERROR (-2)
#define AE_DATA_ERROR (-3)
#define AE_MEM_ERROR (-4)
/* Options for flushing */
#define AE_NO_FLUSH 0 /* Do not enforce output flushing. More
* input may be provided with later
* calls. So far only relevant for
* encoding. */
#define AE_FLUSH 1 /* Flush output and end encoding. The last
* call to ae_encode() must set AE_FLUSH to
* drain all output.
*
* It is not possible to continue encoding
* of the same stream after it has been
* flushed because the last byte may be
* padded with fill bits. */
int ae_decode_init(ae_streamp strm);
int ae_decode(ae_streamp strm, int flush);
int ae_encode_init(ae_streamp strm);
int ae_encode(ae_streamp strm, int flush);
#endif /* LIBAE_H */
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