372 lines
17 KiB
Java
372 lines
17 KiB
Java
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.media;
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import android.media.DecoderCapabilities;
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import android.media.DecoderCapabilities.VideoDecoder;
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import android.media.DecoderCapabilities.AudioDecoder;
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import android.mtp.MtpConstants;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Locale;
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/**
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* MediaScanner helper class.
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*
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* {@hide}
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*/
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public class MediaFile {
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// Audio file types
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public static final int FILE_TYPE_MP3 = 1;
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public static final int FILE_TYPE_M4A = 2;
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public static final int FILE_TYPE_WAV = 3;
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public static final int FILE_TYPE_AMR = 4;
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public static final int FILE_TYPE_AWB = 5;
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public static final int FILE_TYPE_WMA = 6;
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public static final int FILE_TYPE_OGG = 7;
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public static final int FILE_TYPE_AAC = 8;
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public static final int FILE_TYPE_MKA = 9;
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public static final int FILE_TYPE_FLAC = 10;
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private static final int FIRST_AUDIO_FILE_TYPE = FILE_TYPE_MP3;
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private static final int LAST_AUDIO_FILE_TYPE = FILE_TYPE_FLAC;
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// MIDI file types
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public static final int FILE_TYPE_MID = 11;
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public static final int FILE_TYPE_SMF = 12;
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public static final int FILE_TYPE_IMY = 13;
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private static final int FIRST_MIDI_FILE_TYPE = FILE_TYPE_MID;
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private static final int LAST_MIDI_FILE_TYPE = FILE_TYPE_IMY;
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// Video file types
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public static final int FILE_TYPE_MP4 = 21;
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public static final int FILE_TYPE_M4V = 22;
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public static final int FILE_TYPE_3GPP = 23;
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public static final int FILE_TYPE_3GPP2 = 24;
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public static final int FILE_TYPE_WMV = 25;
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public static final int FILE_TYPE_ASF = 26;
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public static final int FILE_TYPE_MKV = 27;
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public static final int FILE_TYPE_MP2TS = 28;
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public static final int FILE_TYPE_AVI = 29;
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public static final int FILE_TYPE_WEBM = 30;
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private static final int FIRST_VIDEO_FILE_TYPE = FILE_TYPE_MP4;
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private static final int LAST_VIDEO_FILE_TYPE = FILE_TYPE_WEBM;
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// More video file types
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public static final int FILE_TYPE_MP2PS = 200;
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public static final int FILE_TYPE_QT = 201;
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private static final int FIRST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS;
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private static final int LAST_VIDEO_FILE_TYPE2 = FILE_TYPE_QT;
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// Image file types
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public static final int FILE_TYPE_JPEG = 31;
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public static final int FILE_TYPE_GIF = 32;
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public static final int FILE_TYPE_PNG = 33;
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public static final int FILE_TYPE_BMP = 34;
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public static final int FILE_TYPE_WBMP = 35;
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public static final int FILE_TYPE_WEBP = 36;
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private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG;
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private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_WEBP;
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// Raw image file types
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public static final int FILE_TYPE_DNG = 300;
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public static final int FILE_TYPE_CR2 = 301;
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public static final int FILE_TYPE_NEF = 302;
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public static final int FILE_TYPE_NRW = 303;
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public static final int FILE_TYPE_ARW = 304;
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public static final int FILE_TYPE_RW2 = 305;
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public static final int FILE_TYPE_ORF = 306;
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public static final int FILE_TYPE_RAF = 307;
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public static final int FILE_TYPE_PEF = 308;
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public static final int FILE_TYPE_SRW = 309;
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private static final int FIRST_RAW_IMAGE_FILE_TYPE = FILE_TYPE_DNG;
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private static final int LAST_RAW_IMAGE_FILE_TYPE = FILE_TYPE_SRW;
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// Playlist file types
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public static final int FILE_TYPE_M3U = 41;
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public static final int FILE_TYPE_PLS = 42;
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public static final int FILE_TYPE_WPL = 43;
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public static final int FILE_TYPE_HTTPLIVE = 44;
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private static final int FIRST_PLAYLIST_FILE_TYPE = FILE_TYPE_M3U;
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private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_HTTPLIVE;
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// Drm file types
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public static final int FILE_TYPE_FL = 51;
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private static final int FIRST_DRM_FILE_TYPE = FILE_TYPE_FL;
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private static final int LAST_DRM_FILE_TYPE = FILE_TYPE_FL;
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// Other popular file types
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public static final int FILE_TYPE_TEXT = 100;
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public static final int FILE_TYPE_HTML = 101;
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public static final int FILE_TYPE_PDF = 102;
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public static final int FILE_TYPE_XML = 103;
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public static final int FILE_TYPE_MS_WORD = 104;
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public static final int FILE_TYPE_MS_EXCEL = 105;
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public static final int FILE_TYPE_MS_POWERPOINT = 106;
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public static final int FILE_TYPE_ZIP = 107;
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public static class MediaFileType {
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public final int fileType;
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public final String mimeType;
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MediaFileType(int fileType, String mimeType) {
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this.fileType = fileType;
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this.mimeType = mimeType;
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}
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}
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private static final HashMap<String, MediaFileType> sFileTypeMap
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= new HashMap<String, MediaFileType>();
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private static final HashMap<String, Integer> sMimeTypeMap
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= new HashMap<String, Integer>();
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// maps file extension to MTP format code
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private static final HashMap<String, Integer> sFileTypeToFormatMap
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= new HashMap<String, Integer>();
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// maps mime type to MTP format code
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private static final HashMap<String, Integer> sMimeTypeToFormatMap
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= new HashMap<String, Integer>();
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// maps MTP format code to mime type
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private static final HashMap<Integer, String> sFormatToMimeTypeMap
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= new HashMap<Integer, String>();
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static void addFileType(String extension, int fileType, String mimeType) {
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sFileTypeMap.put(extension, new MediaFileType(fileType, mimeType));
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sMimeTypeMap.put(mimeType, Integer.valueOf(fileType));
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}
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static void addFileType(String extension, int fileType, String mimeType, int mtpFormatCode) {
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addFileType(extension, fileType, mimeType);
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sFileTypeToFormatMap.put(extension, Integer.valueOf(mtpFormatCode));
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sMimeTypeToFormatMap.put(mimeType, Integer.valueOf(mtpFormatCode));
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sFormatToMimeTypeMap.put(mtpFormatCode, mimeType);
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}
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private static boolean isWMAEnabled() {
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List<AudioDecoder> decoders = DecoderCapabilities.getAudioDecoders();
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int count = decoders.size();
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for (int i = 0; i < count; i++) {
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AudioDecoder decoder = decoders.get(i);
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if (decoder == AudioDecoder.AUDIO_DECODER_WMA) {
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return true;
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}
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}
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return false;
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}
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private static boolean isWMVEnabled() {
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List<VideoDecoder> decoders = DecoderCapabilities.getVideoDecoders();
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int count = decoders.size();
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for (int i = 0; i < count; i++) {
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VideoDecoder decoder = decoders.get(i);
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if (decoder == VideoDecoder.VIDEO_DECODER_WMV) {
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return true;
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}
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}
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return false;
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}
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static {
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addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3);
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addFileType("MPGA", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3);
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addFileType("M4A", FILE_TYPE_M4A, "audio/mp4", MtpConstants.FORMAT_MPEG);
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addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav", MtpConstants.FORMAT_WAV);
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addFileType("AMR", FILE_TYPE_AMR, "audio/amr");
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addFileType("AWB", FILE_TYPE_AWB, "audio/amr-wb");
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if (isWMAEnabled()) {
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addFileType("WMA", FILE_TYPE_WMA, "audio/x-ms-wma", MtpConstants.FORMAT_WMA);
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}
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addFileType("OGG", FILE_TYPE_OGG, "audio/ogg", MtpConstants.FORMAT_OGG);
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addFileType("OGG", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG);
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addFileType("OGA", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG);
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addFileType("AAC", FILE_TYPE_AAC, "audio/aac", MtpConstants.FORMAT_AAC);
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addFileType("AAC", FILE_TYPE_AAC, "audio/aac-adts", MtpConstants.FORMAT_AAC);
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addFileType("MKA", FILE_TYPE_MKA, "audio/x-matroska");
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addFileType("MID", FILE_TYPE_MID, "audio/midi");
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addFileType("MIDI", FILE_TYPE_MID, "audio/midi");
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addFileType("XMF", FILE_TYPE_MID, "audio/midi");
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addFileType("RTTTL", FILE_TYPE_MID, "audio/midi");
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addFileType("SMF", FILE_TYPE_SMF, "audio/sp-midi");
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addFileType("IMY", FILE_TYPE_IMY, "audio/imelody");
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addFileType("RTX", FILE_TYPE_MID, "audio/midi");
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addFileType("OTA", FILE_TYPE_MID, "audio/midi");
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addFileType("MXMF", FILE_TYPE_MID, "audio/midi");
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addFileType("MPEG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG);
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addFileType("MPG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG);
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addFileType("MP4", FILE_TYPE_MP4, "video/mp4", MtpConstants.FORMAT_MPEG);
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addFileType("M4V", FILE_TYPE_M4V, "video/mp4", MtpConstants.FORMAT_MPEG);
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addFileType("MOV", FILE_TYPE_QT, "video/quicktime", MtpConstants.FORMAT_MPEG);
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addFileType("3GP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER);
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addFileType("3GPP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER);
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addFileType("3G2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER);
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addFileType("3GPP2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER);
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addFileType("MKV", FILE_TYPE_MKV, "video/x-matroska");
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addFileType("WEBM", FILE_TYPE_WEBM, "video/webm");
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addFileType("TS", FILE_TYPE_MP2TS, "video/mp2ts");
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addFileType("AVI", FILE_TYPE_AVI, "video/avi");
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if (isWMVEnabled()) {
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addFileType("WMV", FILE_TYPE_WMV, "video/x-ms-wmv", MtpConstants.FORMAT_WMV);
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addFileType("ASF", FILE_TYPE_ASF, "video/x-ms-asf");
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}
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addFileType("JPG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG);
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addFileType("JPEG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG);
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addFileType("GIF", FILE_TYPE_GIF, "image/gif", MtpConstants.FORMAT_GIF);
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addFileType("PNG", FILE_TYPE_PNG, "image/png", MtpConstants.FORMAT_PNG);
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addFileType("BMP", FILE_TYPE_BMP, "image/x-ms-bmp", MtpConstants.FORMAT_BMP);
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addFileType("WBMP", FILE_TYPE_WBMP, "image/vnd.wap.wbmp", MtpConstants.FORMAT_DEFINED);
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addFileType("WEBP", FILE_TYPE_WEBP, "image/webp", MtpConstants.FORMAT_DEFINED);
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addFileType("DNG", FILE_TYPE_DNG, "image/x-adobe-dng", MtpConstants.FORMAT_DNG);
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addFileType("CR2", FILE_TYPE_CR2, "image/x-canon-cr2", MtpConstants.FORMAT_TIFF);
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addFileType("NEF", FILE_TYPE_NEF, "image/x-nikon-nef", MtpConstants.FORMAT_TIFF_EP);
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addFileType("NRW", FILE_TYPE_NRW, "image/x-nikon-nrw", MtpConstants.FORMAT_TIFF);
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addFileType("ARW", FILE_TYPE_ARW, "image/x-sony-arw", MtpConstants.FORMAT_TIFF);
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addFileType("RW2", FILE_TYPE_RW2, "image/x-panasonic-rw2", MtpConstants.FORMAT_TIFF);
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addFileType("ORF", FILE_TYPE_ORF, "image/x-olympus-orf", MtpConstants.FORMAT_TIFF);
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addFileType("RAF", FILE_TYPE_RAF, "image/x-fuji-raf", MtpConstants.FORMAT_DEFINED);
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addFileType("PEF", FILE_TYPE_PEF, "image/x-pentax-pef", MtpConstants.FORMAT_TIFF);
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addFileType("SRW", FILE_TYPE_SRW, "image/x-samsung-srw", MtpConstants.FORMAT_TIFF);
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addFileType("M3U", FILE_TYPE_M3U, "audio/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST);
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addFileType("M3U", FILE_TYPE_M3U, "application/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST);
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addFileType("PLS", FILE_TYPE_PLS, "audio/x-scpls", MtpConstants.FORMAT_PLS_PLAYLIST);
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addFileType("WPL", FILE_TYPE_WPL, "application/vnd.ms-wpl", MtpConstants.FORMAT_WPL_PLAYLIST);
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addFileType("M3U8", FILE_TYPE_HTTPLIVE, "application/vnd.apple.mpegurl");
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addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/mpegurl");
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addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/x-mpegurl");
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addFileType("FL", FILE_TYPE_FL, "application/x-android-drm-fl");
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addFileType("TXT", FILE_TYPE_TEXT, "text/plain", MtpConstants.FORMAT_TEXT);
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addFileType("HTM", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML);
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addFileType("HTML", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML);
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addFileType("PDF", FILE_TYPE_PDF, "application/pdf");
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addFileType("DOC", FILE_TYPE_MS_WORD, "application/msword", MtpConstants.FORMAT_MS_WORD_DOCUMENT);
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addFileType("XLS", FILE_TYPE_MS_EXCEL, "application/vnd.ms-excel", MtpConstants.FORMAT_MS_EXCEL_SPREADSHEET);
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addFileType("PPT", FILE_TYPE_MS_POWERPOINT, "application/mspowerpoint", MtpConstants.FORMAT_MS_POWERPOINT_PRESENTATION);
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addFileType("FLAC", FILE_TYPE_FLAC, "audio/flac", MtpConstants.FORMAT_FLAC);
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addFileType("ZIP", FILE_TYPE_ZIP, "application/zip");
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addFileType("MPG", FILE_TYPE_MP2PS, "video/mp2p");
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addFileType("MPEG", FILE_TYPE_MP2PS, "video/mp2p");
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}
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public static boolean isAudioFileType(int fileType) {
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return ((fileType >= FIRST_AUDIO_FILE_TYPE &&
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fileType <= LAST_AUDIO_FILE_TYPE) ||
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(fileType >= FIRST_MIDI_FILE_TYPE &&
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fileType <= LAST_MIDI_FILE_TYPE));
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}
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public static boolean isVideoFileType(int fileType) {
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return (fileType >= FIRST_VIDEO_FILE_TYPE &&
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fileType <= LAST_VIDEO_FILE_TYPE)
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|| (fileType >= FIRST_VIDEO_FILE_TYPE2 &&
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fileType <= LAST_VIDEO_FILE_TYPE2);
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}
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public static boolean isImageFileType(int fileType) {
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return (fileType >= FIRST_IMAGE_FILE_TYPE &&
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fileType <= LAST_IMAGE_FILE_TYPE)
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|| (fileType >= FIRST_RAW_IMAGE_FILE_TYPE &&
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fileType <= LAST_RAW_IMAGE_FILE_TYPE);
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}
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public static boolean isRawImageFileType(int fileType) {
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return (fileType >= FIRST_RAW_IMAGE_FILE_TYPE &&
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fileType <= LAST_RAW_IMAGE_FILE_TYPE);
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}
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public static boolean isPlayListFileType(int fileType) {
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return (fileType >= FIRST_PLAYLIST_FILE_TYPE &&
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fileType <= LAST_PLAYLIST_FILE_TYPE);
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}
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public static boolean isDrmFileType(int fileType) {
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return (fileType >= FIRST_DRM_FILE_TYPE &&
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fileType <= LAST_DRM_FILE_TYPE);
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}
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public static MediaFileType getFileType(String path) {
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int lastDot = path.lastIndexOf('.');
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if (lastDot < 0)
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return null;
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return sFileTypeMap.get(path.substring(lastDot + 1).toUpperCase(Locale.ROOT));
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}
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public static boolean isMimeTypeMedia(String mimeType) {
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int fileType = getFileTypeForMimeType(mimeType);
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return isAudioFileType(fileType) || isVideoFileType(fileType)
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|| isImageFileType(fileType) || isPlayListFileType(fileType);
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}
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// generates a title based on file name
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public static String getFileTitle(String path) {
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// extract file name after last slash
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int lastSlash = path.lastIndexOf('/');
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if (lastSlash >= 0) {
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lastSlash++;
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if (lastSlash < path.length()) {
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path = path.substring(lastSlash);
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}
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}
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// truncate the file extension (if any)
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int lastDot = path.lastIndexOf('.');
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if (lastDot > 0) {
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path = path.substring(0, lastDot);
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}
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return path;
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}
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public static int getFileTypeForMimeType(String mimeType) {
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Integer value = sMimeTypeMap.get(mimeType);
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return (value == null ? 0 : value.intValue());
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}
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public static String getMimeTypeForFile(String path) {
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MediaFileType mediaFileType = getFileType(path);
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return (mediaFileType == null ? null : mediaFileType.mimeType);
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}
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public static int getFormatCode(String fileName, String mimeType) {
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if (mimeType != null) {
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Integer value = sMimeTypeToFormatMap.get(mimeType);
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if (value != null) {
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return value.intValue();
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}
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}
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int lastDot = fileName.lastIndexOf('.');
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if (lastDot > 0) {
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String extension = fileName.substring(lastDot + 1).toUpperCase(Locale.ROOT);
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Integer value = sFileTypeToFormatMap.get(extension);
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if (value != null) {
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return value.intValue();
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}
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}
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return MtpConstants.FORMAT_UNDEFINED;
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}
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public static String getMimeTypeForFormatCode(int formatCode) {
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return sFormatToMimeTypeMap.get(formatCode);
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}
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}
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