int ff_spatial_idwt_init2(DWTContext *d, uint8_t *buffer, int width, int height,
int stride, enum dwt_type type, int decomposition_count,
int ff_spatial_idwt_init2(DWTContext *d, uint8_t *buffer, int width, int height,
int stride, enum dwt_type type, int decomposition_count,