1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 18 package android.media.videoeditor; 19 20 /** 21 * This listener interface is used by 22 * {@link MediaVideoItem#extractAudioWaveform(ExtractAudioWaveformProgressListener listener)} 23 * or 24 * {@link AudioTrack#extractAudioWaveform(ExtractAudioWaveformProgressListener listener)} 25 * {@hide} 26 */ 27 public interface ExtractAudioWaveformProgressListener { 28 /** 29 * This method notifies the listener of the progress status of 30 * an extractAudioWaveform operation. 31 * This method may be called maximum 100 times for one operation. 32 * 33 * @param progress The progress in %. At the beginning of the operation, 34 * this value is set to 0; at the end, the value is set to 100. 35 */ 36 public void onProgress(int progress); 37 } 38 39
