#ifndef __ALAC__DECOMP_H
#define __ALAC__DECOMP_H

typedef struct alac_file {
	unsigned char *input_buffer;
	int input_buffer_bitaccumulator; /* used so we can do arbitary bit reads */
	int samplesize;
	int numchannels;
	int bytespersample;
	/* buffers */
	int32_t *predicterror_buffer_a;
	int32_t *predicterror_buffer_b;
	int32_t *outputsamples_buffer_a;
	int32_t *outputsamples_buffer_b;
	int32_t *uncompressed_bytes_buffer_a;
	int32_t *uncompressed_bytes_buffer_b;
	/* stuff from setinfo */
	uint32_t setinfo_max_samples_per_frame; /* 0x1000 = 4096 */    /* max samples per frame? */
	uint8_t setinfo_7a; /* 0x00 */
	uint8_t setinfo_sample_size; /* 0x10 */
	uint8_t setinfo_rice_historymult; /* 0x28 */
	uint8_t setinfo_rice_initialhistory; /* 0x0a */
	uint8_t setinfo_rice_kmodifier; /* 0x0e */
	uint8_t setinfo_7f; /* 0x02 */
	uint16_t setinfo_80; /* 0x00ff */
	uint32_t setinfo_82; /* 0x000020e7 */ /* max sample size?? */
	uint32_t setinfo_86; /* 0x00069fe4 */ /* bit rate (avarge)?? */
	uint32_t setinfo_8a_rate; /* 0x0000ac44 */
	/* end setinfo stuff */
} alac_file;
void create_alac(alac_file *alac, int samplesize, int numchannels);
int decode_frame(alac_file *alac, unsigned char *inbuffer, void *outbuffer, int *outputsize);
void alac_set_info(alac_file *alac, char *inputbuffer);

#endif /* __ALAC__DECOMP_H */
