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 17package android.media; 18 19import android.media.DecoderCapabilities; 20import android.media.DecoderCapabilities.VideoDecoder; 21import android.media.DecoderCapabilities.AudioDecoder; 22import android.mtp.MtpConstants; 23 24import java.util.HashMap; 25import java.util.List; 26import java.util.Locale; 27 28/** 29 * MediaScanner helper class. 30 * 31 * {@hide} 32 */ 33public class MediaFile { 34 35 // Audio file types 36 public static final int FILE_TYPE_MP3 = 1; 37 public static final int FILE_TYPE_M4A = 2; 38 public static final int FILE_TYPE_WAV = 3; 39 public static final int FILE_TYPE_AMR = 4; 40 public static final int FILE_TYPE_AWB = 5; 41 public static final int FILE_TYPE_WMA = 6; 42 public static final int FILE_TYPE_OGG = 7; 43 public static final int FILE_TYPE_AAC = 8; 44 public static final int FILE_TYPE_MKA = 9; 45 public static final int FILE_TYPE_FLAC = 10; 46 private static final int FIRST_AUDIO_FILE_TYPE = FILE_TYPE_MP3; 47 private static final int LAST_AUDIO_FILE_TYPE = FILE_TYPE_FLAC; 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 public static final int FILE_TYPE_MKV = 27; 64 public static final int FILE_TYPE_MP2TS = 28; 65 public static final int FILE_TYPE_AVI = 29; 66 public static final int FILE_TYPE_WEBM = 30; 67 private static final int FIRST_VIDEO_FILE_TYPE = FILE_TYPE_MP4; 68 private static final int LAST_VIDEO_FILE_TYPE = FILE_TYPE_WEBM; 69 70 // More video file types 71 public static final int FILE_TYPE_MP2PS = 200; 72 private static final int FIRST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS; 73 private static final int LAST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS; 74 75 // Image file types 76 public static final int FILE_TYPE_JPEG = 31; 77 public static final int FILE_TYPE_GIF = 32; 78 public static final int FILE_TYPE_PNG = 33; 79 public static final int FILE_TYPE_BMP = 34; 80 public static final int FILE_TYPE_WBMP = 35; 81 public static final int FILE_TYPE_WEBP = 36; 82 private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG; 83 private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_WEBP; 84 85 // Raw image file types 86 public static final int FILE_TYPE_DNG = 300; 87 public static final int FILE_TYPE_CR2 = 301; 88 public static final int FILE_TYPE_NEF = 302; 89 public static final int FILE_TYPE_NRW = 303; 90 public static final int FILE_TYPE_ARW = 304; 91 public static final int FILE_TYPE_RW2 = 305; 92 public static final int FILE_TYPE_ORF = 306; 93 public static final int FILE_TYPE_RAF = 307; 94 public static final int FILE_TYPE_PEF = 308; 95 public static final int FILE_TYPE_SRW = 309; 96 private static final int FIRST_RAW_IMAGE_FILE_TYPE = FILE_TYPE_DNG; 97 private static final int LAST_RAW_IMAGE_FILE_TYPE = FILE_TYPE_SRW; 98 99 // Playlist file types 100 public static final int FILE_TYPE_M3U = 41; 101 public static final int FILE_TYPE_PLS = 42; 102 public static final int FILE_TYPE_WPL = 43; 103 public static final int FILE_TYPE_HTTPLIVE = 44; 104 105 private static final int FIRST_PLAYLIST_FILE_TYPE = FILE_TYPE_M3U; 106 private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_HTTPLIVE; 107 108 // Drm file types 109 public static final int FILE_TYPE_FL = 51; 110 private static final int FIRST_DRM_FILE_TYPE = FILE_TYPE_FL; 111 private static final int LAST_DRM_FILE_TYPE = FILE_TYPE_FL; 112 113 // Other popular file types 114 public static final int FILE_TYPE_TEXT = 100; 115 public static final int FILE_TYPE_HTML = 101; 116 public static final int FILE_TYPE_PDF = 102; 117 public static final int FILE_TYPE_XML = 103; 118 public static final int FILE_TYPE_MS_WORD = 104; 119 public static final int FILE_TYPE_MS_EXCEL = 105; 120 public static final int FILE_TYPE_MS_POWERPOINT = 106; 121 public static final int FILE_TYPE_ZIP = 107; 122 123 public static class MediaFileType { 124 public final int fileType; 125 public final String mimeType; 126 127 MediaFileType(int fileType, String mimeType) { 128 this.fileType = fileType; 129 this.mimeType = mimeType; 130 } 131 } 132 133 private static final HashMap<String, MediaFileType> sFileTypeMap 134 = new HashMap<String, MediaFileType>(); 135 private static final HashMap<String, Integer> sMimeTypeMap 136 = new HashMap<String, Integer>(); 137 // maps file extension to MTP format code 138 private static final HashMap<String, Integer> sFileTypeToFormatMap 139 = new HashMap<String, Integer>(); 140 // maps mime type to MTP format code 141 private static final HashMap<String, Integer> sMimeTypeToFormatMap 142 = new HashMap<String, Integer>(); 143 // maps MTP format code to mime type 144 private static final HashMap<Integer, String> sFormatToMimeTypeMap 145 = new HashMap<Integer, String>(); 146 147 static void addFileType(String extension, int fileType, String mimeType) { 148 sFileTypeMap.put(extension, new MediaFileType(fileType, mimeType)); 149 sMimeTypeMap.put(mimeType, Integer.valueOf(fileType)); 150 } 151 152 static void addFileType(String extension, int fileType, String mimeType, int mtpFormatCode) { 153 addFileType(extension, fileType, mimeType); 154 sFileTypeToFormatMap.put(extension, Integer.valueOf(mtpFormatCode)); 155 sMimeTypeToFormatMap.put(mimeType, Integer.valueOf(mtpFormatCode)); 156 sFormatToMimeTypeMap.put(mtpFormatCode, mimeType); 157 } 158 159 private static boolean isWMAEnabled() { 160 List<AudioDecoder> decoders = DecoderCapabilities.getAudioDecoders(); 161 int count = decoders.size(); 162 for (int i = 0; i < count; i++) { 163 AudioDecoder decoder = decoders.get(i); 164 if (decoder == AudioDecoder.AUDIO_DECODER_WMA) { 165 return true; 166 } 167 } 168 return false; 169 } 170 171 private static boolean isWMVEnabled() { 172 List<VideoDecoder> decoders = DecoderCapabilities.getVideoDecoders(); 173 int count = decoders.size(); 174 for (int i = 0; i < count; i++) { 175 VideoDecoder decoder = decoders.get(i); 176 if (decoder == VideoDecoder.VIDEO_DECODER_WMV) { 177 return true; 178 } 179 } 180 return false; 181 } 182 183 static { 184 addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3); 185 addFileType("MPGA", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3); 186 addFileType("M4A", FILE_TYPE_M4A, "audio/mp4", MtpConstants.FORMAT_MPEG); 187 addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav", MtpConstants.FORMAT_WAV); 188 addFileType("AMR", FILE_TYPE_AMR, "audio/amr"); 189 addFileType("AWB", FILE_TYPE_AWB, "audio/amr-wb"); 190 if (isWMAEnabled()) { 191 addFileType("WMA", FILE_TYPE_WMA, "audio/x-ms-wma", MtpConstants.FORMAT_WMA); 192 } 193 addFileType("OGG", FILE_TYPE_OGG, "audio/ogg", MtpConstants.FORMAT_OGG); 194 addFileType("OGG", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG); 195 addFileType("OGA", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG); 196 addFileType("AAC", FILE_TYPE_AAC, "audio/aac", MtpConstants.FORMAT_AAC); 197 addFileType("AAC", FILE_TYPE_AAC, "audio/aac-adts", MtpConstants.FORMAT_AAC); 198 addFileType("MKA", FILE_TYPE_MKA, "audio/x-matroska"); 199 200 addFileType("MID", FILE_TYPE_MID, "audio/midi"); 201 addFileType("MIDI", FILE_TYPE_MID, "audio/midi"); 202 addFileType("XMF", FILE_TYPE_MID, "audio/midi"); 203 addFileType("RTTTL", FILE_TYPE_MID, "audio/midi"); 204 addFileType("SMF", FILE_TYPE_SMF, "audio/sp-midi"); 205 addFileType("IMY", FILE_TYPE_IMY, "audio/imelody"); 206 addFileType("RTX", FILE_TYPE_MID, "audio/midi"); 207 addFileType("OTA", FILE_TYPE_MID, "audio/midi"); 208 addFileType("MXMF", FILE_TYPE_MID, "audio/midi"); 209 210 addFileType("MPEG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG); 211 addFileType("MPG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG); 212 addFileType("MP4", FILE_TYPE_MP4, "video/mp4", MtpConstants.FORMAT_MPEG); 213 addFileType("M4V", FILE_TYPE_M4V, "video/mp4", MtpConstants.FORMAT_MPEG); 214 addFileType("3GP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER); 215 addFileType("3GPP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER); 216 addFileType("3G2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER); 217 addFileType("3GPP2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER); 218 addFileType("MKV", FILE_TYPE_MKV, "video/x-matroska"); 219 addFileType("WEBM", FILE_TYPE_WEBM, "video/webm"); 220 addFileType("TS", FILE_TYPE_MP2TS, "video/mp2ts"); 221 addFileType("AVI", FILE_TYPE_AVI, "video/avi"); 222 223 if (isWMVEnabled()) { 224 addFileType("WMV", FILE_TYPE_WMV, "video/x-ms-wmv", MtpConstants.FORMAT_WMV); 225 addFileType("ASF", FILE_TYPE_ASF, "video/x-ms-asf"); 226 } 227 228 addFileType("JPG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG); 229 addFileType("JPEG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG); 230 addFileType("GIF", FILE_TYPE_GIF, "image/gif", MtpConstants.FORMAT_GIF); 231 addFileType("PNG", FILE_TYPE_PNG, "image/png", MtpConstants.FORMAT_PNG); 232 addFileType("BMP", FILE_TYPE_BMP, "image/x-ms-bmp", MtpConstants.FORMAT_BMP); 233 addFileType("WBMP", FILE_TYPE_WBMP, "image/vnd.wap.wbmp", MtpConstants.FORMAT_DEFINED); 234 addFileType("WEBP", FILE_TYPE_WEBP, "image/webp", MtpConstants.FORMAT_DEFINED); 235 236 addFileType("DNG", FILE_TYPE_DNG, "image/x-adobe-dng", MtpConstants.FORMAT_DNG); 237 addFileType("CR2", FILE_TYPE_CR2, "image/x-canon-cr2", MtpConstants.FORMAT_TIFF); 238 addFileType("NEF", FILE_TYPE_NEF, "image/x-nikon-nef", MtpConstants.FORMAT_TIFF_EP); 239 addFileType("NRW", FILE_TYPE_NRW, "image/x-nikon-nrw", MtpConstants.FORMAT_TIFF); 240 addFileType("ARW", FILE_TYPE_ARW, "image/x-sony-arw", MtpConstants.FORMAT_TIFF); 241 addFileType("RW2", FILE_TYPE_RW2, "image/x-panasonic-rw2", MtpConstants.FORMAT_TIFF); 242 addFileType("ORF", FILE_TYPE_ORF, "image/x-olympus-orf", MtpConstants.FORMAT_TIFF); 243 addFileType("RAF", FILE_TYPE_RAF, "image/x-fuji-raf", MtpConstants.FORMAT_DEFINED); 244 addFileType("PEF", FILE_TYPE_PEF, "image/x-pentax-pef", MtpConstants.FORMAT_TIFF); 245 addFileType("SRW", FILE_TYPE_SRW, "image/x-samsung-srw", MtpConstants.FORMAT_TIFF); 246 247 addFileType("M3U", FILE_TYPE_M3U, "audio/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST); 248 addFileType("M3U", FILE_TYPE_M3U, "application/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST); 249 addFileType("PLS", FILE_TYPE_PLS, "audio/x-scpls", MtpConstants.FORMAT_PLS_PLAYLIST); 250 addFileType("WPL", FILE_TYPE_WPL, "application/vnd.ms-wpl", MtpConstants.FORMAT_WPL_PLAYLIST); 251 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "application/vnd.apple.mpegurl"); 252 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/mpegurl"); 253 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/x-mpegurl"); 254 255 addFileType("FL", FILE_TYPE_FL, "application/x-android-drm-fl"); 256 257 addFileType("TXT", FILE_TYPE_TEXT, "text/plain", MtpConstants.FORMAT_TEXT); 258 addFileType("HTM", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML); 259 addFileType("HTML", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML); 260 addFileType("PDF", FILE_TYPE_PDF, "application/pdf"); 261 addFileType("DOC", FILE_TYPE_MS_WORD, "application/msword", MtpConstants.FORMAT_MS_WORD_DOCUMENT); 262 addFileType("XLS", FILE_TYPE_MS_EXCEL, "application/vnd.ms-excel", MtpConstants.FORMAT_MS_EXCEL_SPREADSHEET); 263 addFileType("PPT", FILE_TYPE_MS_POWERPOINT, "application/mspowerpoint", MtpConstants.FORMAT_MS_POWERPOINT_PRESENTATION); 264 addFileType("FLAC", FILE_TYPE_FLAC, "audio/flac", MtpConstants.FORMAT_FLAC); 265 addFileType("ZIP", FILE_TYPE_ZIP, "application/zip"); 266 addFileType("MPG", FILE_TYPE_MP2PS, "video/mp2p"); 267 addFileType("MPEG", FILE_TYPE_MP2PS, "video/mp2p"); 268 } 269 270 public static boolean isAudioFileType(int fileType) { 271 return ((fileType >= FIRST_AUDIO_FILE_TYPE && 272 fileType <= LAST_AUDIO_FILE_TYPE) || 273 (fileType >= FIRST_MIDI_FILE_TYPE && 274 fileType <= LAST_MIDI_FILE_TYPE)); 275 } 276 277 public static boolean isVideoFileType(int fileType) { 278 return (fileType >= FIRST_VIDEO_FILE_TYPE && 279 fileType <= LAST_VIDEO_FILE_TYPE) 280 || (fileType >= FIRST_VIDEO_FILE_TYPE2 && 281 fileType <= LAST_VIDEO_FILE_TYPE2); 282 } 283 284 public static boolean isImageFileType(int fileType) { 285 return (fileType >= FIRST_IMAGE_FILE_TYPE && 286 fileType <= LAST_IMAGE_FILE_TYPE) 287 || (fileType >= FIRST_RAW_IMAGE_FILE_TYPE && 288 fileType <= LAST_RAW_IMAGE_FILE_TYPE); 289 } 290 291 public static boolean isRawImageFileType(int fileType) { 292 return (fileType >= FIRST_RAW_IMAGE_FILE_TYPE && 293 fileType <= LAST_RAW_IMAGE_FILE_TYPE); 294 } 295 296 public static boolean isPlayListFileType(int fileType) { 297 return (fileType >= FIRST_PLAYLIST_FILE_TYPE && 298 fileType <= LAST_PLAYLIST_FILE_TYPE); 299 } 300 301 public static boolean isDrmFileType(int fileType) { 302 return (fileType >= FIRST_DRM_FILE_TYPE && 303 fileType <= LAST_DRM_FILE_TYPE); 304 } 305 306 public static MediaFileType getFileType(String path) { 307 int lastDot = path.lastIndexOf('.'); 308 if (lastDot < 0) 309 return null; 310 return sFileTypeMap.get(path.substring(lastDot + 1).toUpperCase(Locale.ROOT)); 311 } 312 313 public static boolean isMimeTypeMedia(String mimeType) { 314 int fileType = getFileTypeForMimeType(mimeType); 315 return isAudioFileType(fileType) || isVideoFileType(fileType) 316 || isImageFileType(fileType) || isPlayListFileType(fileType); 317 } 318 319 // generates a title based on file name 320 public static String getFileTitle(String path) { 321 // extract file name after last slash 322 int lastSlash = path.lastIndexOf('/'); 323 if (lastSlash >= 0) { 324 lastSlash++; 325 if (lastSlash < path.length()) { 326 path = path.substring(lastSlash); 327 } 328 } 329 // truncate the file extension (if any) 330 int lastDot = path.lastIndexOf('.'); 331 if (lastDot > 0) { 332 path = path.substring(0, lastDot); 333 } 334 return path; 335 } 336 337 public static int getFileTypeForMimeType(String mimeType) { 338 Integer value = sMimeTypeMap.get(mimeType); 339 return (value == null ? 0 : value.intValue()); 340 } 341 342 public static String getMimeTypeForFile(String path) { 343 MediaFileType mediaFileType = getFileType(path); 344 return (mediaFileType == null ? null : mediaFileType.mimeType); 345 } 346 347 public static int getFormatCode(String fileName, String mimeType) { 348 if (mimeType != null) { 349 Integer value = sMimeTypeToFormatMap.get(mimeType); 350 if (value != null) { 351 return value.intValue(); 352 } 353 } 354 int lastDot = fileName.lastIndexOf('.'); 355 if (lastDot > 0) { 356 String extension = fileName.substring(lastDot + 1).toUpperCase(Locale.ROOT); 357 Integer value = sFileTypeToFormatMap.get(extension); 358 if (value != null) { 359 return value.intValue(); 360 } 361 } 362 return MtpConstants.FORMAT_UNDEFINED; 363 } 364 365 public static String getMimeTypeForFormatCode(int formatCode) { 366 return sFormatToMimeTypeMap.get(formatCode); 367 } 368} 369