Allocator (ExoPlayer library)

All Known Implementing Classes:

DefaultAllocator
```
public interface Allocator
```
A source of allocations.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Allocation`	`allocate()`	Obtain an `Allocation`.
`int`	`getIndividualAllocationLength()`	Returns the length of each individual `Allocation`.
`int`	`getTotalBytesAllocated()`	Returns the total number of bytes currently allocated.
`void`	`release(Allocation allocation)`	Releases an `Allocation` back to the allocator.
`void`	`release(Allocation[] allocations)`	Releases an array of `Allocation`s back to the allocator.
`void`	`trim()`	Hints to the allocator that it should make a best effort to release any excess `Allocation`s.

- Method Detail
  - allocate
```
Allocation allocate()
```
    Obtain an Allocation.
    When the caller has finished with the Allocation, it should be returned by calling release(Allocation).
    
    Returns:
    
    The Allocation.
  - release
```
void release(Allocation allocation)
```
    Releases an Allocation back to the allocator.
    
    Parameters:
    
    allocation - The Allocation being released.
  - release
```
void release(Allocation[] allocations)
```
    Releases an array of Allocations back to the allocator.
    
    Parameters:
    
    allocations - The array of Allocations being released.
  - trim
```
void trim()
```
    Hints to the allocator that it should make a best effort to release any excess Allocations.
  - getTotalBytesAllocated
```
int getTotalBytesAllocated()
```
    Returns the total number of bytes currently allocated.
  - getIndividualAllocationLength
```
int getIndividualAllocationLength()
```
    Returns the length of each individual Allocation.