bool do_exhaustive_model_search; /* 0 => use estimated bits per residual for scoring, 1 => generate all, take shortest */
unsigned rice_optimization_level; /* 0 => estimate Rice parameter based on residual variance, 1-8 => partition residual, use parameter for each */
uint64 total_samples_estimate; /* may be 0 if unknown. this will be a placeholder in the metadata block until the actual total is calculated */
+ unsigned padding; /* size of PADDING block to add; 0 => do not add a PADDING block */
} FLAC__Encoder;