| /* |
| * Copyright (C) 2016 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.exoplayer2.extractor; |
| |
| import com.google.android.exoplayer2.C; |
| |
| /** Receives stream level data extracted by an {@link Extractor}. */ |
| public interface ExtractorOutput { |
| |
| /** |
| * Placeholder {@link ExtractorOutput} implementation throwing an {@link |
| * UnsupportedOperationException} in each method. |
| */ |
| ExtractorOutput PLACEHOLDER = |
| new ExtractorOutput() { |
| |
| @Override |
| public TrackOutput track(int id, int type) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void endTracks() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void seekMap(SeekMap seekMap) { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| |
| /** |
| * Called by the {@link Extractor} to get the {@link TrackOutput} for a specific track. |
| * |
| * <p>The same {@link TrackOutput} is returned if multiple calls are made with the same {@code |
| * id}. |
| * |
| * @param id A track identifier. |
| * @param type The {@link C.TrackType track type}. |
| * @return The {@link TrackOutput} for the given track identifier. |
| */ |
| TrackOutput track(int id, @C.TrackType int type); |
| |
| /** |
| * Called when all tracks have been identified, meaning no new {@code trackId} values will be |
| * passed to {@link #track(int, int)}. |
| */ |
| void endTracks(); |
| |
| /** |
| * Called when a {@link SeekMap} has been extracted from the stream. |
| * |
| * @param seekMap The extracted {@link SeekMap}. |
| */ |
| void seekMap(SeekMap seekMap); |
| } |