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