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.provider.MediaStore.Audio; 21 import android.provider.MediaStore.Images; 22 import android.provider.MediaStore.Video; 23 import android.media.DecoderCapabilities; 24 import android.media.DecoderCapabilities.VideoDecoder; 25 import android.media.DecoderCapabilities.AudioDecoder; 26 import android.mtp.MtpConstants; 27 28 import java.util.HashMap; 29 import java.util.Iterator; 30 import java.util.List; 31 import java.util.Locale; 32 33 /** 34 * MediaScanner helper class. 35 * 36 * {@hide} 37 */ 38 public class MediaFile { 39 40 // Audio file types 41 public static final int FILE_TYPE_MP3 = 1; 42 public static final int FILE_TYPE_M4A = 2; 43 public static final int FILE_TYPE_WAV = 3; 44 public static final int FILE_TYPE_AMR = 4; 45 public static final int FILE_TYPE_AWB = 5; 46 public static final int FILE_TYPE_WMA = 6; 47 public static final int FILE_TYPE_OGG = 7; 48 public static final int FILE_TYPE_AAC = 8; 49 public static final int FILE_TYPE_MKA = 9; 50 public static final int FILE_TYPE_FLAC = 10; 51 private static final int FIRST_AUDIO_FILE_TYPE = FILE_TYPE_MP3; 52 private static final int LAST_AUDIO_FILE_TYPE = FILE_TYPE_FLAC; 53 54 // MIDI file types 55 public static final int FILE_TYPE_MID = 11; 56 public static final int FILE_TYPE_SMF = 12; 57 public static final int FILE_TYPE_IMY = 13; 58 private static final int FIRST_MIDI_FILE_TYPE = FILE_TYPE_MID; 59 private static final int LAST_MIDI_FILE_TYPE = FILE_TYPE_IMY; 60 61 // Video file types 62 public static final int FILE_TYPE_MP4 = 21; 63 public static final int FILE_TYPE_M4V = 22; 64 public static final int FILE_TYPE_3GPP = 23; 65 public static final int FILE_TYPE_3GPP2 = 24; 66 public static final int FILE_TYPE_WMV = 25; 67 public static final int FILE_TYPE_ASF = 26; 68 public static final int FILE_TYPE_MKV = 27; 69 public static final int FILE_TYPE_MP2TS = 28; 70 public static final int FILE_TYPE_AVI = 29; 71 public static final int FILE_TYPE_WEBM = 30; 72 private static final int FIRST_VIDEO_FILE_TYPE = FILE_TYPE_MP4; 73 private static final int LAST_VIDEO_FILE_TYPE = FILE_TYPE_WEBM; 74 75 // More video file types 76 public static final int FILE_TYPE_MP2PS = 200; 77 private static final int FIRST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS; 78 private static final int LAST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS; 79 80 // Image file types 81 public static final int FILE_TYPE_JPEG = 31; 82 public static final int FILE_TYPE_GIF = 32; 83 public static final int FILE_TYPE_PNG = 33; 84 public static final int FILE_TYPE_BMP = 34; 85 public static final int FILE_TYPE_WBMP = 35; 86 public static final int FILE_TYPE_WEBP = 36; 87 private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG; 88 private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_WEBP; 89 90 // Playlist file types 91 public static final int FILE_TYPE_M3U = 41; 92 public static final int FILE_TYPE_PLS = 42; 93 public static final int FILE_TYPE_WPL = 43; 94 public static final int FILE_TYPE_HTTPLIVE = 44; 95 96 private static final int FIRST_PLAYLIST_FILE_TYPE = FILE_TYPE_M3U; 97 private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_HTTPLIVE; 98 99 // Drm file types 100 public static final int FILE_TYPE_FL = 51; 101 private static final int FIRST_DRM_FILE_TYPE = FILE_TYPE_FL; 102 private static final int LAST_DRM_FILE_TYPE = FILE_TYPE_FL; 103 104 // Other popular file types 105 public static final int FILE_TYPE_TEXT = 100; 106 public static final int FILE_TYPE_HTML = 101; 107 public static final int FILE_TYPE_PDF = 102; 108 public static final int FILE_TYPE_XML = 103; 109 public static final int FILE_TYPE_MS_WORD = 104; 110 public static final int FILE_TYPE_MS_EXCEL = 105; 111 public static final int FILE_TYPE_MS_POWERPOINT = 106; 112 public static final int FILE_TYPE_ZIP = 107; 113 114 public static class MediaFileType { 115 public final int fileType; 116 public final String mimeType; 117 118 MediaFileType(int fileType, String mimeType) { 119 this.fileType = fileType; 120 this.mimeType = mimeType; 121 } 122 } 123 124 private static final HashMap<String, MediaFileType> sFileTypeMap 125 = new HashMap<String, MediaFileType>(); 126 private static final HashMap<String, Integer> sMimeTypeMap 127 = new HashMap<String, Integer>(); 128 // maps file extension to MTP format code 129 private static final HashMap<String, Integer> sFileTypeToFormatMap 130 = new HashMap<String, Integer>(); 131 // maps mime type to MTP format code 132 private static final HashMap<String, Integer> sMimeTypeToFormatMap 133 = new HashMap<String, Integer>(); 134 // maps MTP format code to mime type 135 private static final HashMap<Integer, String> sFormatToMimeTypeMap 136 = new HashMap<Integer, String>(); 137 138 static void addFileType(String extension, int fileType, String mimeType) { 139 sFileTypeMap.put(extension, new MediaFileType(fileType, mimeType)); 140 sMimeTypeMap.put(mimeType, Integer.valueOf(fileType)); 141 } 142 143 static void addFileType(String extension, int fileType, String mimeType, int mtpFormatCode) { 144 addFileType(extension, fileType, mimeType); 145 sFileTypeToFormatMap.put(extension, Integer.valueOf(mtpFormatCode)); 146 sMimeTypeToFormatMap.put(mimeType, Integer.valueOf(mtpFormatCode)); 147 sFormatToMimeTypeMap.put(mtpFormatCode, mimeType); 148 } 149 150 private static boolean isWMAEnabled() { 151 List<AudioDecoder> decoders = DecoderCapabilities.getAudioDecoders(); 152 int count = decoders.size(); 153 for (int i = 0; i < count; i++) { 154 AudioDecoder decoder = decoders.get(i); 155 if (decoder == AudioDecoder.AUDIO_DECODER_WMA) { 156 return true; 157 } 158 } 159 return false; 160 } 161 162 private static boolean isWMVEnabled() { 163 List<VideoDecoder> decoders = DecoderCapabilities.getVideoDecoders(); 164 int count = decoders.size(); 165 for (int i = 0; i < count; i++) { 166 VideoDecoder decoder = decoders.get(i); 167 if (decoder == VideoDecoder.VIDEO_DECODER_WMV) { 168 return true; 169 } 170 } 171 return false; 172 } 173 174 static { 175 addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3); 176 addFileType("MPGA", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3); 177 addFileType("M4A", FILE_TYPE_M4A, "audio/mp4", MtpConstants.FORMAT_MPEG); 178 addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav", MtpConstants.FORMAT_WAV); 179 addFileType("AMR", FILE_TYPE_AMR, "audio/amr"); 180 addFileType("AWB", FILE_TYPE_AWB, "audio/amr-wb"); 181 if (isWMAEnabled()) { 182 addFileType("WMA", FILE_TYPE_WMA, "audio/x-ms-wma", MtpConstants.FORMAT_WMA); 183 } 184 addFileType("OGG", FILE_TYPE_OGG, "audio/ogg", MtpConstants.FORMAT_OGG); 185 addFileType("OGG", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG); 186 addFileType("OGA", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG); 187 addFileType("AAC", FILE_TYPE_AAC, "audio/aac", MtpConstants.FORMAT_AAC); 188 addFileType("AAC", FILE_TYPE_AAC, "audio/aac-adts", MtpConstants.FORMAT_AAC); 189 addFileType("MKA", FILE_TYPE_MKA, "audio/x-matroska"); 190 191 addFileType("MID", FILE_TYPE_MID, "audio/midi"); 192 addFileType("MIDI", FILE_TYPE_MID, "audio/midi"); 193 addFileType("XMF", FILE_TYPE_MID, "audio/midi"); 194 addFileType("RTTTL", FILE_TYPE_MID, "audio/midi"); 195 addFileType("SMF", FILE_TYPE_SMF, "audio/sp-midi"); 196 addFileType("IMY", FILE_TYPE_IMY, "audio/imelody"); 197 addFileType("RTX", FILE_TYPE_MID, "audio/midi"); 198 addFileType("OTA", FILE_TYPE_MID, "audio/midi"); 199 addFileType("MXMF", FILE_TYPE_MID, "audio/midi"); 200 201 addFileType("MPEG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG); 202 addFileType("MPG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG); 203 addFileType("MP4", FILE_TYPE_MP4, "video/mp4", MtpConstants.FORMAT_MPEG); 204 addFileType("M4V", FILE_TYPE_M4V, "video/mp4", MtpConstants.FORMAT_MPEG); 205 addFileType("3GP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER); 206 addFileType("3GPP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER); 207 addFileType("3G2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER); 208 addFileType("3GPP2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER); 209 addFileType("MKV", FILE_TYPE_MKV, "video/x-matroska"); 210 addFileType("WEBM", FILE_TYPE_WEBM, "video/webm"); 211 addFileType("TS", FILE_TYPE_MP2TS, "video/mp2ts"); 212 addFileType("AVI", FILE_TYPE_AVI, "video/avi"); 213 214 if (isWMVEnabled()) { 215 addFileType("WMV", FILE_TYPE_WMV, "video/x-ms-wmv", MtpConstants.FORMAT_WMV); 216 addFileType("ASF", FILE_TYPE_ASF, "video/x-ms-asf"); 217 } 218 219 addFileType("JPG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG); 220 addFileType("JPEG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG); 221 addFileType("GIF", FILE_TYPE_GIF, "image/gif", MtpConstants.FORMAT_GIF); 222 addFileType("PNG", FILE_TYPE_PNG, "image/png", MtpConstants.FORMAT_PNG); 223 addFileType("BMP", FILE_TYPE_BMP, "image/x-ms-bmp", MtpConstants.FORMAT_BMP); 224 addFileType("WBMP", FILE_TYPE_WBMP, "image/vnd.wap.wbmp"); 225 addFileType("WEBP", FILE_TYPE_WEBP, "image/webp"); 226 227 addFileType("M3U", FILE_TYPE_M3U, "audio/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST); 228 addFileType("M3U", FILE_TYPE_M3U, "application/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST); 229 addFileType("PLS", FILE_TYPE_PLS, "audio/x-scpls", MtpConstants.FORMAT_PLS_PLAYLIST); 230 addFileType("WPL", FILE_TYPE_WPL, "application/vnd.ms-wpl", MtpConstants.FORMAT_WPL_PLAYLIST); 231 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "application/vnd.apple.mpegurl"); 232 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/mpegurl"); 233 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/x-mpegurl"); 234 235 addFileType("FL", FILE_TYPE_FL, "application/x-android-drm-fl"); 236 237 addFileType("TXT", FILE_TYPE_TEXT, "text/plain", MtpConstants.FORMAT_TEXT); 238 addFileType("HTM", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML); 239 addFileType("HTML", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML); 240 addFileType("PDF", FILE_TYPE_PDF, "application/pdf"); 241 addFileType("DOC", FILE_TYPE_MS_WORD, "application/msword", MtpConstants.FORMAT_MS_WORD_DOCUMENT); 242 addFileType("XLS", FILE_TYPE_MS_EXCEL, "application/vnd.ms-excel", MtpConstants.FORMAT_MS_EXCEL_SPREADSHEET); 243 addFileType("PPT", FILE_TYPE_MS_POWERPOINT, "application/mspowerpoint", MtpConstants.FORMAT_MS_POWERPOINT_PRESENTATION); 244 addFileType("FLAC", FILE_TYPE_FLAC, "audio/flac", MtpConstants.FORMAT_FLAC); 245 addFileType("ZIP", FILE_TYPE_ZIP, "application/zip"); 246 addFileType("MPG", FILE_TYPE_MP2PS, "video/mp2p"); 247 addFileType("MPEG", FILE_TYPE_MP2PS, "video/mp2p"); 248 } 249 250 public static boolean isAudioFileType(int fileType) { 251 return ((fileType >= FIRST_AUDIO_FILE_TYPE && 252 fileType <= LAST_AUDIO_FILE_TYPE) || 253 (fileType >= FIRST_MIDI_FILE_TYPE && 254 fileType <= LAST_MIDI_FILE_TYPE)); 255 } 256 257 public static boolean isVideoFileType(int fileType) { 258 return (fileType >= FIRST_VIDEO_FILE_TYPE && 259 fileType <= LAST_VIDEO_FILE_TYPE) 260 || (fileType >= FIRST_VIDEO_FILE_TYPE2 && 261 fileType <= LAST_VIDEO_FILE_TYPE2); 262 } 263 264 public static boolean isImageFileType(int fileType) { 265 return (fileType >= FIRST_IMAGE_FILE_TYPE && 266 fileType <= LAST_IMAGE_FILE_TYPE); 267 } 268 269 public static boolean isPlayListFileType(int fileType) { 270 return (fileType >= FIRST_PLAYLIST_FILE_TYPE && 271 fileType <= LAST_PLAYLIST_FILE_TYPE); 272 } 273 274 public static boolean isDrmFileType(int fileType) { 275 return (fileType >= FIRST_DRM_FILE_TYPE && 276 fileType <= LAST_DRM_FILE_TYPE); 277 } 278 279 public static MediaFileType getFileType(String path) { 280 int lastDot = path.lastIndexOf('.'); 281 if (lastDot < 0) 282 return null; 283 return sFileTypeMap.get(path.substring(lastDot + 1).toUpperCase(Locale.ROOT)); 284 } 285 286 public static boolean isMimeTypeMedia(String mimeType) { 287 int fileType = getFileTypeForMimeType(mimeType); 288 return isAudioFileType(fileType) || isVideoFileType(fileType) 289 || isImageFileType(fileType) || isPlayListFileType(fileType); 290 } 291 292 // generates a title based on file name 293 public static String getFileTitle(String path) { 294 // extract file name after last slash 295 int lastSlash = path.lastIndexOf('/'); 296 if (lastSlash >= 0) { 297 lastSlash++; 298 if (lastSlash < path.length()) { 299 path = path.substring(lastSlash); 300 } 301 } 302 // truncate the file extension (if any) 303 int lastDot = path.lastIndexOf('.'); 304 if (lastDot > 0) { 305 path = path.substring(0, lastDot); 306 } 307 return path; 308 } 309 310 public static int getFileTypeForMimeType(String mimeType) { 311 Integer value = sMimeTypeMap.get(mimeType); 312 return (value == null ? 0 : value.intValue()); 313 } 314 315 public static String getMimeTypeForFile(String path) { 316 MediaFileType mediaFileType = getFileType(path); 317 return (mediaFileType == null ? null : mediaFileType.mimeType); 318 } 319 320 public static int getFormatCode(String fileName, String mimeType) { 321 if (mimeType != null) { 322 Integer value = sMimeTypeToFormatMap.get(mimeType); 323 if (value != null) { 324 return value.intValue(); 325 } 326 } 327 int lastDot = fileName.lastIndexOf('.'); 328 if (lastDot > 0) { 329 String extension = fileName.substring(lastDot + 1).toUpperCase(Locale.ROOT); 330 Integer value = sFileTypeToFormatMap.get(extension); 331 if (value != null) { 332 return value.intValue(); 333 } 334 } 335 return MtpConstants.FORMAT_UNDEFINED; 336 } 337 338 public static String getMimeTypeForFormatCode(int formatCode) { 339 return sFormatToMimeTypeMap.get(formatCode); 340 } 341 } 342
