-// IMA4
- int init_ima4();
- int delete_ima4();
- int ima4_decode_block(int16_t *output, unsigned char *input);
- int ima4_decode_sample(int *predictor, int nibble, int *index, int *step);
- int ima4_encode_block(unsigned char *output, int16_t *input, int step, int channel);
- int ima4_encode_sample(int *last_sample, int *last_index, int *nibble, int next_sample);
-
- static int ima4_step[89];
- static int ima4_index[16];
- int *last_ima4_samples;
- int *last_ima4_indexes;
- int ima4_block_size;
- int ima4_block_samples;