1 /* 2 * Copyright (C) 2007 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 package android.media; 18 19 import android.content.ContentValues; 20 import android.os.SystemProperties; 21 import android.provider.MediaStore.Audio; 22 import android.provider.MediaStore.Images; 23 import android.provider.MediaStore.Video; 24 25 import java.util.HashMap; 26 import java.util.Iterator; 27 28 /** 29 * MediaScanner helper class. 30 * 31 * {@hide} 32 */ 33 public class MediaFile { 34 // comma separated list of all file extensions supported by the media scanner 35 public final static String sFileExtensions; 36 37 // Audio file types 38 public static final int FILE_TYPE_MP3 = 1; 39 public static final int FILE_TYPE_M4A = 2; 40 public static final int FILE_TYPE_WAV = 3; 41 public static final int FILE_TYPE_AMR = 4; 42 public static final int FILE_TYPE_AWB = 5; 43 public static final int FILE_TYPE_WMA = 6; 44 public static final int FILE_TYPE_OGG = 7; 45 public static final int FILE_TYPE_AAC = 8; 46 private static final int FIRST_AUDIO_FILE_TYPE = FILE_TYPE_MP3; 47 private static final int LAST_AUDIO_FILE_TYPE = FILE_TYPE_AAC; 48 49 // MIDI file types 50 public static final int FILE_TYPE_MID = 11; 51 public static final int FILE_TYPE_SMF = 12; 52 public static final int FILE_TYPE_IMY = 13; 53 private static final int FIRST_MIDI_FILE_TYPE = FILE_TYPE_MID; 54 private static final int LAST_MIDI_FILE_TYPE = FILE_TYPE_IMY; 55 56 // Video file types 57 public static final int FILE_TYPE_MP4 = 21; 58 public static final int FILE_TYPE_M4V = 22; 59 public static final int FILE_TYPE_3GPP = 23; 60 public static final int FILE_TYPE_3GPP2 = 24; 61 public static final int FILE_TYPE_WMV = 25; 62 public static final int FILE_TYPE_ASF = 26; 63 private static final int FIRST_VIDEO_FILE_TYPE = FILE_TYPE_MP4; 64 private static final int LAST_VIDEO_FILE_TYPE = FILE_TYPE_ASF; 65 66 // Image file types 67 public static final int FILE_TYPE_JPEG = 31; 68 public static final int FILE_TYPE_GIF = 32; 69 public static final int FILE_TYPE_PNG = 33; 70 public static final int FILE_TYPE_BMP = 34; 71 public static final int FILE_TYPE_WBMP = 35; 72 private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG; 73 private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_WBMP; 74 75 // Playlist file types 76 public static final int FILE_TYPE_M3U = 41; 77 public static final int FILE_TYPE_PLS = 42; 78 public static final int FILE_TYPE_WPL = 43; 79 private static final int FIRST_PLAYLIST_FILE_TYPE = FILE_TYPE_M3U; 80 private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_WPL; 81 82 static class MediaFileType { 83 84 int fileType; 85 String mimeType; 86 MediaFileType(int fileType, String mimeType)87 MediaFileType(int fileType, String mimeType) { 88 this.fileType = fileType; 89 this.mimeType = mimeType; 90 } 91 } 92 93 private static HashMap<String, MediaFileType> sFileTypeMap 94 = new HashMap<String, MediaFileType>(); 95 private static HashMap<String, Integer> sMimeTypeMap 96 = new HashMap<String, Integer>(); addFileType(String extension, int fileType, String mimeType)97 static void addFileType(String extension, int fileType, String mimeType) { 98 sFileTypeMap.put(extension, new MediaFileType(fileType, mimeType)); 99 sMimeTypeMap.put(mimeType, Integer.valueOf(fileType)); 100 } 101 static { 102 addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg"); 103 addFileType("M4A", FILE_TYPE_M4A, "audio/mp4"); 104 addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav"); 105 addFileType("AMR", FILE_TYPE_AMR, "audio/amr"); 106 addFileType("AWB", FILE_TYPE_AWB, "audio/amr-wb"); 107 if (SystemProperties.getInt("ro.media.dec.aud.wma.enabled", 0) != 0) { 108 addFileType("WMA", FILE_TYPE_WMA, "audio/x-ms-wma"); 109 } 110 addFileType("OGG", FILE_TYPE_OGG, "application/ogg"); 111 addFileType("OGA", FILE_TYPE_OGG, "application/ogg"); 112 addFileType("AAC", FILE_TYPE_AAC, "audio/aac"); 113 114 addFileType("MID", FILE_TYPE_MID, "audio/midi"); 115 addFileType("MIDI", FILE_TYPE_MID, "audio/midi"); 116 addFileType("XMF", FILE_TYPE_MID, "audio/midi"); 117 addFileType("RTTTL", FILE_TYPE_MID, "audio/midi"); 118 addFileType("SMF", FILE_TYPE_SMF, "audio/sp-midi"); 119 addFileType("IMY", FILE_TYPE_IMY, "audio/imelody"); 120 addFileType("RTX", FILE_TYPE_MID, "audio/midi"); 121 addFileType("OTA", FILE_TYPE_MID, "audio/midi"); 122 123 addFileType("MP4", FILE_TYPE_MP4, "video/mp4"); 124 addFileType("M4V", FILE_TYPE_M4V, "video/mp4"); 125 addFileType("3GP", FILE_TYPE_3GPP, "video/3gpp"); 126 addFileType("3GPP", FILE_TYPE_3GPP, "video/3gpp"); 127 addFileType("3G2", FILE_TYPE_3GPP2, "video/3gpp2"); 128 addFileType("3GPP2", FILE_TYPE_3GPP2, "video/3gpp2"); 129 if (SystemProperties.getInt("ro.media.dec.vid.wmv.enabled", 0) != 0) { 130 addFileType("WMV", FILE_TYPE_WMV, "video/x-ms-wmv"); 131 addFileType("ASF", FILE_TYPE_ASF, "video/x-ms-asf"); 132 } 133 134 addFileType("JPG", FILE_TYPE_JPEG, "image/jpeg"); 135 addFileType("JPEG", FILE_TYPE_JPEG, "image/jpeg"); 136 addFileType("GIF", FILE_TYPE_GIF, "image/gif"); 137 addFileType("PNG", FILE_TYPE_PNG, "image/png"); 138 addFileType("BMP", FILE_TYPE_BMP, "image/x-ms-bmp"); 139 addFileType("WBMP", FILE_TYPE_WBMP, "image/vnd.wap.wbmp"); 140 141 addFileType("M3U", FILE_TYPE_M3U, "audio/x-mpegurl"); 142 addFileType("PLS", FILE_TYPE_PLS, "audio/x-scpls"); 143 addFileType("WPL", FILE_TYPE_WPL, "application/vnd.ms-wpl"); 144 145 // compute file extensions list for native Media Scanner 146 StringBuilder builder = new StringBuilder(); 147 Iterator<String> iterator = sFileTypeMap.keySet().iterator(); 148 149 while (iterator.hasNext()) { 150 if (builder.length() > 0) { 151 builder.append(','); 152 } iterator.next()153 builder.append(iterator.next()); 154 } 155 sFileExtensions = builder.toString(); 156 } 157 158 public static final String UNKNOWN_STRING = "<unknown>"; 159 isAudioFileType(int fileType)160 public static boolean isAudioFileType(int fileType) { 161 return ((fileType >= FIRST_AUDIO_FILE_TYPE && 162 fileType <= LAST_AUDIO_FILE_TYPE) || 163 (fileType >= FIRST_MIDI_FILE_TYPE && 164 fileType <= LAST_MIDI_FILE_TYPE)); 165 } 166 isVideoFileType(int fileType)167 public static boolean isVideoFileType(int fileType) { 168 return (fileType >= FIRST_VIDEO_FILE_TYPE && 169 fileType <= LAST_VIDEO_FILE_TYPE); 170 } 171 isImageFileType(int fileType)172 public static boolean isImageFileType(int fileType) { 173 return (fileType >= FIRST_IMAGE_FILE_TYPE && 174 fileType <= LAST_IMAGE_FILE_TYPE); 175 } 176 isPlayListFileType(int fileType)177 public static boolean isPlayListFileType(int fileType) { 178 return (fileType >= FIRST_PLAYLIST_FILE_TYPE && 179 fileType <= LAST_PLAYLIST_FILE_TYPE); 180 } 181 getFileType(String path)182 public static MediaFileType getFileType(String path) { 183 int lastDot = path.lastIndexOf("."); 184 if (lastDot < 0) 185 return null; 186 return sFileTypeMap.get(path.substring(lastDot + 1).toUpperCase()); 187 } 188 getFileTypeForMimeType(String mimeType)189 public static int getFileTypeForMimeType(String mimeType) { 190 Integer value = sMimeTypeMap.get(mimeType); 191 return (value == null ? 0 : value.intValue()); 192 } 193 194 } 195