mirror of
https://github.com/samsonjs/media.git
synced 2026-03-28 09:55:48 +00:00
c99250d9c5
- Use same constant for unknown/unset microsecond times/durations. - Change constant values to be nowhere near the "normal" range. - Misc cleanup. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=119944019
75 lines
2.7 KiB
Java
75 lines
2.7 KiB
Java
/*
|
|
* Copyright (C) 2014 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
package com.google.android.exoplayer;
|
|
|
|
import com.google.android.exoplayer.upstream.Allocator;
|
|
|
|
/**
|
|
* Coordinates multiple loaders of time series data.
|
|
*/
|
|
public interface LoadControl {
|
|
|
|
/**
|
|
* Registers a loader.
|
|
*
|
|
* @param loader The loader being registered.
|
|
* @param bufferSizeContribution For instances whose {@link Allocator} maintains a pool of memory
|
|
* for the purpose of satisfying allocation requests, this is a hint indicating the loader's
|
|
* desired contribution to the size of the pool, in bytes.
|
|
*/
|
|
void register(Object loader, int bufferSizeContribution);
|
|
|
|
/**
|
|
* Unregisters a loader.
|
|
*
|
|
* @param loader The loader being unregistered.
|
|
*/
|
|
void unregister(Object loader);
|
|
|
|
/**
|
|
* Gets the {@link Allocator} that loaders should use to obtain memory allocations into which
|
|
* data can be loaded.
|
|
*
|
|
* @return The {@link Allocator} to use.
|
|
*/
|
|
Allocator getAllocator();
|
|
|
|
/**
|
|
* Hints to the control that it should consider trimming any unused memory being held in order
|
|
* to satisfy allocation requests.
|
|
* <p>
|
|
* This method is typically invoked by a recently unregistered loader, once it has released all
|
|
* of its allocations back to the {@link Allocator}.
|
|
*/
|
|
void trimAllocator();
|
|
|
|
/**
|
|
* Invoked by a loader to update the control with its current state.
|
|
* <p>
|
|
* This method must be called by a registered loader whenever its state changes. This is true
|
|
* even if the registered loader does not itself wish to start its next load (since the state of
|
|
* the loader will still affect whether other registered loaders are allowed to proceed).
|
|
*
|
|
* @param loader The loader invoking the update.
|
|
* @param playbackPositionUs The loader's playback position.
|
|
* @param nextLoadPositionUs The loader's next load position. {@link C#UNSET_TIME_US} if finished,
|
|
* failed, or if the next load position is not yet known.
|
|
* @param loading Whether the loader is currently loading data.
|
|
* @return True if the loader is allowed to start its next load. False otherwise.
|
|
*/
|
|
boolean update(Object loader, long playbackPositionUs, long nextLoadPositionUs, boolean loading);
|
|
|
|
}
|