2 * Copyright (C) 2007 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package android.media;
19 import android.media.DecoderCapabilities;
20 import android.media.DecoderCapabilities.VideoDecoder;
21 import android.media.DecoderCapabilities.AudioDecoder;
22 import android.mtp.MtpConstants;
23 import com.android.internal.util.Preconditions;
24 import java.util.HashMap;
25 import java.util.List;
26 import java.util.Locale;
29 * MediaScanner helper class.
33 public class MediaFile {
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;
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;
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;
70 // More video file types
71 public static final int FILE_TYPE_MP2PS = 200;
72 public static final int FILE_TYPE_QT = 201;
73 private static final int FIRST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS;
74 private static final int LAST_VIDEO_FILE_TYPE2 = FILE_TYPE_QT;
77 public static final int FILE_TYPE_JPEG = 31;
78 public static final int FILE_TYPE_GIF = 32;
79 public static final int FILE_TYPE_PNG = 33;
80 public static final int FILE_TYPE_BMP = 34;
81 public static final int FILE_TYPE_WBMP = 35;
82 public static final int FILE_TYPE_WEBP = 36;
83 public static final int FILE_TYPE_HEIF = 37;
84 private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG;
85 private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_HEIF;
87 // Raw image file types
88 public static final int FILE_TYPE_DNG = 300;
89 public static final int FILE_TYPE_CR2 = 301;
90 public static final int FILE_TYPE_NEF = 302;
91 public static final int FILE_TYPE_NRW = 303;
92 public static final int FILE_TYPE_ARW = 304;
93 public static final int FILE_TYPE_RW2 = 305;
94 public static final int FILE_TYPE_ORF = 306;
95 public static final int FILE_TYPE_RAF = 307;
96 public static final int FILE_TYPE_PEF = 308;
97 public static final int FILE_TYPE_SRW = 309;
98 private static final int FIRST_RAW_IMAGE_FILE_TYPE = FILE_TYPE_DNG;
99 private static final int LAST_RAW_IMAGE_FILE_TYPE = FILE_TYPE_SRW;
101 // Playlist file types
102 public static final int FILE_TYPE_M3U = 41;
103 public static final int FILE_TYPE_PLS = 42;
104 public static final int FILE_TYPE_WPL = 43;
105 public static final int FILE_TYPE_HTTPLIVE = 44;
107 private static final int FIRST_PLAYLIST_FILE_TYPE = FILE_TYPE_M3U;
108 private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_HTTPLIVE;
111 public static final int FILE_TYPE_FL = 51;
112 private static final int FIRST_DRM_FILE_TYPE = FILE_TYPE_FL;
113 private static final int LAST_DRM_FILE_TYPE = FILE_TYPE_FL;
115 // Other popular file types
116 public static final int FILE_TYPE_TEXT = 100;
117 public static final int FILE_TYPE_HTML = 101;
118 public static final int FILE_TYPE_PDF = 102;
119 public static final int FILE_TYPE_XML = 103;
120 public static final int FILE_TYPE_MS_WORD = 104;
121 public static final int FILE_TYPE_MS_EXCEL = 105;
122 public static final int FILE_TYPE_MS_POWERPOINT = 106;
123 public static final int FILE_TYPE_ZIP = 107;
125 public static class MediaFileType {
126 public final int fileType;
127 public final String mimeType;
129 MediaFileType(int fileType, String mimeType) {
130 this.fileType = fileType;
131 this.mimeType = mimeType;
135 private static final HashMap<String, MediaFileType> sFileTypeMap
136 = new HashMap<String, MediaFileType>();
137 private static final HashMap<String, Integer> sMimeTypeMap
138 = new HashMap<String, Integer>();
139 // maps file extension to MTP format code
140 private static final HashMap<String, Integer> sFileTypeToFormatMap
141 = new HashMap<String, Integer>();
142 // maps mime type to MTP format code
143 private static final HashMap<String, Integer> sMimeTypeToFormatMap
144 = new HashMap<String, Integer>();
145 // maps MTP format code to mime type
146 private static final HashMap<Integer, String> sFormatToMimeTypeMap
147 = new HashMap<Integer, String>();
149 static void addFileType(String extension, int fileType, String mimeType) {
150 sFileTypeMap.put(extension, new MediaFileType(fileType, mimeType));
151 sMimeTypeMap.put(mimeType, Integer.valueOf(fileType));
154 private static void addFileType(String extension, int fileType, String mimeType,
155 int mtpFormatCode, boolean primaryType) {
156 addFileType(extension, fileType, mimeType);
157 sFileTypeToFormatMap.put(extension, Integer.valueOf(mtpFormatCode));
158 sMimeTypeToFormatMap.put(mimeType, Integer.valueOf(mtpFormatCode));
160 Preconditions.checkArgument(!sFormatToMimeTypeMap.containsKey(mtpFormatCode));
161 sFormatToMimeTypeMap.put(mtpFormatCode, mimeType);
165 private static boolean isWMAEnabled() {
166 List<AudioDecoder> decoders = DecoderCapabilities.getAudioDecoders();
167 int count = decoders.size();
168 for (int i = 0; i < count; i++) {
169 AudioDecoder decoder = decoders.get(i);
170 if (decoder == AudioDecoder.AUDIO_DECODER_WMA) {
177 private static boolean isWMVEnabled() {
178 List<VideoDecoder> decoders = DecoderCapabilities.getVideoDecoders();
179 int count = decoders.size();
180 for (int i = 0; i < count; i++) {
181 VideoDecoder decoder = decoders.get(i);
182 if (decoder == VideoDecoder.VIDEO_DECODER_WMV) {
190 addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3, true);
191 addFileType("MPGA", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3, false);
192 addFileType("M4A", FILE_TYPE_M4A, "audio/mp4", MtpConstants.FORMAT_MPEG, false);
193 addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav", MtpConstants.FORMAT_WAV, true);
194 addFileType("AMR", FILE_TYPE_AMR, "audio/amr");
195 addFileType("AWB", FILE_TYPE_AWB, "audio/amr-wb");
196 if (isWMAEnabled()) {
197 addFileType("WMA", FILE_TYPE_WMA, "audio/x-ms-wma", MtpConstants.FORMAT_WMA, true);
199 addFileType("OGG", FILE_TYPE_OGG, "audio/ogg", MtpConstants.FORMAT_OGG, false);
200 addFileType("OGG", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG, true);
201 addFileType("OGA", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG, false);
202 addFileType("AAC", FILE_TYPE_AAC, "audio/aac", MtpConstants.FORMAT_AAC, true);
203 addFileType("AAC", FILE_TYPE_AAC, "audio/aac-adts", MtpConstants.FORMAT_AAC, false);
204 addFileType("MKA", FILE_TYPE_MKA, "audio/x-matroska");
206 addFileType("MID", FILE_TYPE_MID, "audio/midi");
207 addFileType("MIDI", FILE_TYPE_MID, "audio/midi");
208 addFileType("XMF", FILE_TYPE_MID, "audio/midi");
209 addFileType("RTTTL", FILE_TYPE_MID, "audio/midi");
210 addFileType("SMF", FILE_TYPE_SMF, "audio/sp-midi");
211 addFileType("IMY", FILE_TYPE_IMY, "audio/imelody");
212 addFileType("RTX", FILE_TYPE_MID, "audio/midi");
213 addFileType("OTA", FILE_TYPE_MID, "audio/midi");
214 addFileType("MXMF", FILE_TYPE_MID, "audio/midi");
216 addFileType("MPEG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG, true);
217 addFileType("MPG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG, false);
218 addFileType("MP4", FILE_TYPE_MP4, "video/mp4", MtpConstants.FORMAT_MPEG, false);
219 addFileType("M4V", FILE_TYPE_M4V, "video/mp4", MtpConstants.FORMAT_MPEG, false);
220 addFileType("MOV", FILE_TYPE_QT, "video/quicktime", MtpConstants.FORMAT_MPEG, false);
222 addFileType("3GP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER, true);
223 addFileType("3GPP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER, false);
224 addFileType("3G2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER, false);
225 addFileType("3GPP2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER, false);
226 addFileType("MKV", FILE_TYPE_MKV, "video/x-matroska");
227 addFileType("WEBM", FILE_TYPE_WEBM, "video/webm");
228 addFileType("TS", FILE_TYPE_MP2TS, "video/mp2ts");
229 addFileType("AVI", FILE_TYPE_AVI, "video/avi");
231 if (isWMVEnabled()) {
232 addFileType("WMV", FILE_TYPE_WMV, "video/x-ms-wmv", MtpConstants.FORMAT_WMV, true);
233 addFileType("ASF", FILE_TYPE_ASF, "video/x-ms-asf");
236 addFileType("JPG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG, true);
237 addFileType("JPEG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG, false);
238 addFileType("GIF", FILE_TYPE_GIF, "image/gif", MtpConstants.FORMAT_GIF, true);
239 addFileType("PNG", FILE_TYPE_PNG, "image/png", MtpConstants.FORMAT_PNG, true);
240 addFileType("BMP", FILE_TYPE_BMP, "image/x-ms-bmp", MtpConstants.FORMAT_BMP, true);
241 addFileType("WBMP", FILE_TYPE_WBMP, "image/vnd.wap.wbmp", MtpConstants.FORMAT_DEFINED, false);
242 addFileType("WEBP", FILE_TYPE_WEBP, "image/webp", MtpConstants.FORMAT_DEFINED, false);
243 addFileType("HEIC", FILE_TYPE_HEIF, "image/heif", MtpConstants.FORMAT_HEIF, true);
244 addFileType("HEIF", FILE_TYPE_HEIF, "image/heif", MtpConstants.FORMAT_HEIF, false);
246 addFileType("DNG", FILE_TYPE_DNG, "image/x-adobe-dng", MtpConstants.FORMAT_DNG, true);
247 addFileType("CR2", FILE_TYPE_CR2, "image/x-canon-cr2", MtpConstants.FORMAT_TIFF, false);
248 addFileType("NEF", FILE_TYPE_NEF, "image/x-nikon-nef", MtpConstants.FORMAT_TIFF_EP, false);
249 addFileType("NRW", FILE_TYPE_NRW, "image/x-nikon-nrw", MtpConstants.FORMAT_TIFF, false);
250 addFileType("ARW", FILE_TYPE_ARW, "image/x-sony-arw", MtpConstants.FORMAT_TIFF, false);
251 addFileType("RW2", FILE_TYPE_RW2, "image/x-panasonic-rw2", MtpConstants.FORMAT_TIFF, false);
252 addFileType("ORF", FILE_TYPE_ORF, "image/x-olympus-orf", MtpConstants.FORMAT_TIFF, false);
253 addFileType("RAF", FILE_TYPE_RAF, "image/x-fuji-raf", MtpConstants.FORMAT_DEFINED, false);
254 addFileType("PEF", FILE_TYPE_PEF, "image/x-pentax-pef", MtpConstants.FORMAT_TIFF, false);
255 addFileType("SRW", FILE_TYPE_SRW, "image/x-samsung-srw", MtpConstants.FORMAT_TIFF, false);
257 addFileType("M3U", FILE_TYPE_M3U, "audio/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST, true);
258 addFileType("M3U", FILE_TYPE_M3U, "application/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST, false);
259 addFileType("PLS", FILE_TYPE_PLS, "audio/x-scpls", MtpConstants.FORMAT_PLS_PLAYLIST, true);
260 addFileType("WPL", FILE_TYPE_WPL, "application/vnd.ms-wpl", MtpConstants.FORMAT_WPL_PLAYLIST, true);
261 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "application/vnd.apple.mpegurl");
262 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/mpegurl");
263 addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/x-mpegurl");
265 addFileType("FL", FILE_TYPE_FL, "application/x-android-drm-fl");
267 addFileType("TXT", FILE_TYPE_TEXT, "text/plain", MtpConstants.FORMAT_TEXT, true);
268 addFileType("HTM", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML, true);
269 addFileType("HTML", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML, false);
270 addFileType("PDF", FILE_TYPE_PDF, "application/pdf");
271 addFileType("DOC", FILE_TYPE_MS_WORD, "application/msword", MtpConstants.FORMAT_MS_WORD_DOCUMENT, true);
272 addFileType("XLS", FILE_TYPE_MS_EXCEL, "application/vnd.ms-excel", MtpConstants.FORMAT_MS_EXCEL_SPREADSHEET, true);
273 addFileType("PPT", FILE_TYPE_MS_POWERPOINT, "application/mspowerpoint", MtpConstants.FORMAT_MS_POWERPOINT_PRESENTATION, true);
274 addFileType("FLAC", FILE_TYPE_FLAC, "audio/flac", MtpConstants.FORMAT_FLAC, true);
275 addFileType("ZIP", FILE_TYPE_ZIP, "application/zip");
276 addFileType("MPG", FILE_TYPE_MP2PS, "video/mp2p");
277 addFileType("MPEG", FILE_TYPE_MP2PS, "video/mp2p");
280 public static boolean isAudioFileType(int fileType) {
281 return ((fileType >= FIRST_AUDIO_FILE_TYPE &&
282 fileType <= LAST_AUDIO_FILE_TYPE) ||
283 (fileType >= FIRST_MIDI_FILE_TYPE &&
284 fileType <= LAST_MIDI_FILE_TYPE));
287 public static boolean isVideoFileType(int fileType) {
288 return (fileType >= FIRST_VIDEO_FILE_TYPE &&
289 fileType <= LAST_VIDEO_FILE_TYPE)
290 || (fileType >= FIRST_VIDEO_FILE_TYPE2 &&
291 fileType <= LAST_VIDEO_FILE_TYPE2);
294 public static boolean isImageFileType(int fileType) {
295 return (fileType >= FIRST_IMAGE_FILE_TYPE &&
296 fileType <= LAST_IMAGE_FILE_TYPE)
297 || (fileType >= FIRST_RAW_IMAGE_FILE_TYPE &&
298 fileType <= LAST_RAW_IMAGE_FILE_TYPE);
301 public static boolean isRawImageFileType(int fileType) {
302 return (fileType >= FIRST_RAW_IMAGE_FILE_TYPE &&
303 fileType <= LAST_RAW_IMAGE_FILE_TYPE);
306 public static boolean isPlayListFileType(int fileType) {
307 return (fileType >= FIRST_PLAYLIST_FILE_TYPE &&
308 fileType <= LAST_PLAYLIST_FILE_TYPE);
311 public static boolean isDrmFileType(int fileType) {
312 return (fileType >= FIRST_DRM_FILE_TYPE &&
313 fileType <= LAST_DRM_FILE_TYPE);
316 public static MediaFileType getFileType(String path) {
317 int lastDot = path.lastIndexOf('.');
320 return sFileTypeMap.get(path.substring(lastDot + 1).toUpperCase(Locale.ROOT));
323 public static boolean isMimeTypeMedia(String mimeType) {
324 int fileType = getFileTypeForMimeType(mimeType);
325 return isAudioFileType(fileType) || isVideoFileType(fileType)
326 || isImageFileType(fileType) || isPlayListFileType(fileType);
329 // generates a title based on file name
330 public static String getFileTitle(String path) {
331 // extract file name after last slash
332 int lastSlash = path.lastIndexOf('/');
333 if (lastSlash >= 0) {
335 if (lastSlash < path.length()) {
336 path = path.substring(lastSlash);
339 // truncate the file extension (if any)
340 int lastDot = path.lastIndexOf('.');
342 path = path.substring(0, lastDot);
347 public static int getFileTypeForMimeType(String mimeType) {
348 Integer value = sMimeTypeMap.get(mimeType);
349 return (value == null ? 0 : value.intValue());
352 public static String getMimeTypeForFile(String path) {
353 MediaFileType mediaFileType = getFileType(path);
354 return (mediaFileType == null ? null : mediaFileType.mimeType);
357 public static int getFormatCode(String fileName, String mimeType) {
358 if (mimeType != null) {
359 Integer value = sMimeTypeToFormatMap.get(mimeType);
361 return value.intValue();
364 int lastDot = fileName.lastIndexOf('.');
366 String extension = fileName.substring(lastDot + 1).toUpperCase(Locale.ROOT);
367 Integer value = sFileTypeToFormatMap.get(extension);
369 return value.intValue();
372 return MtpConstants.FORMAT_UNDEFINED;
375 public static String getMimeTypeForFormatCode(int formatCode) {
376 return sFormatToMimeTypeMap.get(formatCode);