1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
|
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.media;
import android.media.DecoderCapabilities;
import android.media.DecoderCapabilities.VideoDecoder;
import android.media.DecoderCapabilities.AudioDecoder;
import android.mtp.MtpConstants;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
/**
* MediaScanner helper class.
*
* {@hide}
*/
public class MediaFile {
// Audio file types
public static final int FILE_TYPE_MP3 = 1;
public static final int FILE_TYPE_M4A = 2;
public static final int FILE_TYPE_WAV = 3;
public static final int FILE_TYPE_AMR = 4;
public static final int FILE_TYPE_AWB = 5;
public static final int FILE_TYPE_WMA = 6;
public static final int FILE_TYPE_OGG = 7;
public static final int FILE_TYPE_AAC = 8;
public static final int FILE_TYPE_MKA = 9;
public static final int FILE_TYPE_FLAC = 10;
private static final int FIRST_AUDIO_FILE_TYPE = FILE_TYPE_MP3;
private static final int LAST_AUDIO_FILE_TYPE = FILE_TYPE_FLAC;
// MIDI file types
public static final int FILE_TYPE_MID = 11;
public static final int FILE_TYPE_SMF = 12;
public static final int FILE_TYPE_IMY = 13;
private static final int FIRST_MIDI_FILE_TYPE = FILE_TYPE_MID;
private static final int LAST_MIDI_FILE_TYPE = FILE_TYPE_IMY;
// Video file types
public static final int FILE_TYPE_MP4 = 21;
public static final int FILE_TYPE_M4V = 22;
public static final int FILE_TYPE_3GPP = 23;
public static final int FILE_TYPE_3GPP2 = 24;
public static final int FILE_TYPE_WMV = 25;
public static final int FILE_TYPE_ASF = 26;
public static final int FILE_TYPE_MKV = 27;
public static final int FILE_TYPE_MP2TS = 28;
public static final int FILE_TYPE_AVI = 29;
public static final int FILE_TYPE_WEBM = 30;
private static final int FIRST_VIDEO_FILE_TYPE = FILE_TYPE_MP4;
private static final int LAST_VIDEO_FILE_TYPE = FILE_TYPE_WEBM;
// More video file types
public static final int FILE_TYPE_MP2PS = 200;
private static final int FIRST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS;
private static final int LAST_VIDEO_FILE_TYPE2 = FILE_TYPE_MP2PS;
// Image file types
public static final int FILE_TYPE_JPEG = 31;
public static final int FILE_TYPE_GIF = 32;
public static final int FILE_TYPE_PNG = 33;
public static final int FILE_TYPE_BMP = 34;
public static final int FILE_TYPE_WBMP = 35;
public static final int FILE_TYPE_WEBP = 36;
private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG;
private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_WEBP;
// Playlist file types
public static final int FILE_TYPE_M3U = 41;
public static final int FILE_TYPE_PLS = 42;
public static final int FILE_TYPE_WPL = 43;
public static final int FILE_TYPE_HTTPLIVE = 44;
private static final int FIRST_PLAYLIST_FILE_TYPE = FILE_TYPE_M3U;
private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_HTTPLIVE;
// Drm file types
public static final int FILE_TYPE_FL = 51;
private static final int FIRST_DRM_FILE_TYPE = FILE_TYPE_FL;
private static final int LAST_DRM_FILE_TYPE = FILE_TYPE_FL;
// Other popular file types
public static final int FILE_TYPE_TEXT = 100;
public static final int FILE_TYPE_HTML = 101;
public static final int FILE_TYPE_PDF = 102;
public static final int FILE_TYPE_XML = 103;
public static final int FILE_TYPE_MS_WORD = 104;
public static final int FILE_TYPE_MS_EXCEL = 105;
public static final int FILE_TYPE_MS_POWERPOINT = 106;
public static final int FILE_TYPE_ZIP = 107;
public static class MediaFileType {
public final int fileType;
public final String mimeType;
MediaFileType(int fileType, String mimeType) {
this.fileType = fileType;
this.mimeType = mimeType;
}
}
private static final HashMap<String, MediaFileType> sFileTypeMap
= new HashMap<String, MediaFileType>();
private static final HashMap<String, Integer> sMimeTypeMap
= new HashMap<String, Integer>();
// maps file extension to MTP format code
private static final HashMap<String, Integer> sFileTypeToFormatMap
= new HashMap<String, Integer>();
// maps mime type to MTP format code
private static final HashMap<String, Integer> sMimeTypeToFormatMap
= new HashMap<String, Integer>();
// maps MTP format code to mime type
private static final HashMap<Integer, String> sFormatToMimeTypeMap
= new HashMap<Integer, String>();
static void addFileType(String extension, int fileType, String mimeType) {
sFileTypeMap.put(extension, new MediaFileType(fileType, mimeType));
sMimeTypeMap.put(mimeType, Integer.valueOf(fileType));
}
static void addFileType(String extension, int fileType, String mimeType, int mtpFormatCode) {
addFileType(extension, fileType, mimeType);
sFileTypeToFormatMap.put(extension, Integer.valueOf(mtpFormatCode));
sMimeTypeToFormatMap.put(mimeType, Integer.valueOf(mtpFormatCode));
sFormatToMimeTypeMap.put(mtpFormatCode, mimeType);
}
private static boolean isWMAEnabled() {
List<AudioDecoder> decoders = DecoderCapabilities.getAudioDecoders();
int count = decoders.size();
for (int i = 0; i < count; i++) {
AudioDecoder decoder = decoders.get(i);
if (decoder == AudioDecoder.AUDIO_DECODER_WMA) {
return true;
}
}
return false;
}
private static boolean isWMVEnabled() {
List<VideoDecoder> decoders = DecoderCapabilities.getVideoDecoders();
int count = decoders.size();
for (int i = 0; i < count; i++) {
VideoDecoder decoder = decoders.get(i);
if (decoder == VideoDecoder.VIDEO_DECODER_WMV) {
return true;
}
}
return false;
}
static {
addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3);
addFileType("MPGA", FILE_TYPE_MP3, "audio/mpeg", MtpConstants.FORMAT_MP3);
addFileType("M4A", FILE_TYPE_M4A, "audio/mp4", MtpConstants.FORMAT_MPEG);
addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav", MtpConstants.FORMAT_WAV);
addFileType("AMR", FILE_TYPE_AMR, "audio/amr");
addFileType("AWB", FILE_TYPE_AWB, "audio/amr-wb");
if (isWMAEnabled()) {
addFileType("WMA", FILE_TYPE_WMA, "audio/x-ms-wma", MtpConstants.FORMAT_WMA);
}
addFileType("OGG", FILE_TYPE_OGG, "audio/ogg", MtpConstants.FORMAT_OGG);
addFileType("OGG", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG);
addFileType("OGA", FILE_TYPE_OGG, "application/ogg", MtpConstants.FORMAT_OGG);
addFileType("AAC", FILE_TYPE_AAC, "audio/aac", MtpConstants.FORMAT_AAC);
addFileType("AAC", FILE_TYPE_AAC, "audio/aac-adts", MtpConstants.FORMAT_AAC);
addFileType("MKA", FILE_TYPE_MKA, "audio/x-matroska");
addFileType("MID", FILE_TYPE_MID, "audio/midi");
addFileType("MIDI", FILE_TYPE_MID, "audio/midi");
addFileType("XMF", FILE_TYPE_MID, "audio/midi");
addFileType("RTTTL", FILE_TYPE_MID, "audio/midi");
addFileType("SMF", FILE_TYPE_SMF, "audio/sp-midi");
addFileType("IMY", FILE_TYPE_IMY, "audio/imelody");
addFileType("RTX", FILE_TYPE_MID, "audio/midi");
addFileType("OTA", FILE_TYPE_MID, "audio/midi");
addFileType("MXMF", FILE_TYPE_MID, "audio/midi");
addFileType("MPEG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG);
addFileType("MPG", FILE_TYPE_MP4, "video/mpeg", MtpConstants.FORMAT_MPEG);
addFileType("MP4", FILE_TYPE_MP4, "video/mp4", MtpConstants.FORMAT_MPEG);
addFileType("M4V", FILE_TYPE_M4V, "video/mp4", MtpConstants.FORMAT_MPEG);
addFileType("3GP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER);
addFileType("3GPP", FILE_TYPE_3GPP, "video/3gpp", MtpConstants.FORMAT_3GP_CONTAINER);
addFileType("3G2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER);
addFileType("3GPP2", FILE_TYPE_3GPP2, "video/3gpp2", MtpConstants.FORMAT_3GP_CONTAINER);
addFileType("MKV", FILE_TYPE_MKV, "video/x-matroska");
addFileType("WEBM", FILE_TYPE_WEBM, "video/webm");
addFileType("TS", FILE_TYPE_MP2TS, "video/mp2ts");
addFileType("AVI", FILE_TYPE_AVI, "video/avi");
if (isWMVEnabled()) {
addFileType("WMV", FILE_TYPE_WMV, "video/x-ms-wmv", MtpConstants.FORMAT_WMV);
addFileType("ASF", FILE_TYPE_ASF, "video/x-ms-asf");
}
addFileType("JPG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG);
addFileType("JPEG", FILE_TYPE_JPEG, "image/jpeg", MtpConstants.FORMAT_EXIF_JPEG);
addFileType("GIF", FILE_TYPE_GIF, "image/gif", MtpConstants.FORMAT_GIF);
addFileType("PNG", FILE_TYPE_PNG, "image/png", MtpConstants.FORMAT_PNG);
addFileType("BMP", FILE_TYPE_BMP, "image/x-ms-bmp", MtpConstants.FORMAT_BMP);
addFileType("WBMP", FILE_TYPE_WBMP, "image/vnd.wap.wbmp");
addFileType("WEBP", FILE_TYPE_WEBP, "image/webp");
addFileType("M3U", FILE_TYPE_M3U, "audio/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST);
addFileType("M3U", FILE_TYPE_M3U, "application/x-mpegurl", MtpConstants.FORMAT_M3U_PLAYLIST);
addFileType("PLS", FILE_TYPE_PLS, "audio/x-scpls", MtpConstants.FORMAT_PLS_PLAYLIST);
addFileType("WPL", FILE_TYPE_WPL, "application/vnd.ms-wpl", MtpConstants.FORMAT_WPL_PLAYLIST);
addFileType("M3U8", FILE_TYPE_HTTPLIVE, "application/vnd.apple.mpegurl");
addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/mpegurl");
addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/x-mpegurl");
addFileType("FL", FILE_TYPE_FL, "application/x-android-drm-fl");
addFileType("TXT", FILE_TYPE_TEXT, "text/plain", MtpConstants.FORMAT_TEXT);
addFileType("HTM", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML);
addFileType("HTML", FILE_TYPE_HTML, "text/html", MtpConstants.FORMAT_HTML);
addFileType("PDF", FILE_TYPE_PDF, "application/pdf");
addFileType("DOC", FILE_TYPE_MS_WORD, "application/msword", MtpConstants.FORMAT_MS_WORD_DOCUMENT);
addFileType("XLS", FILE_TYPE_MS_EXCEL, "application/vnd.ms-excel", MtpConstants.FORMAT_MS_EXCEL_SPREADSHEET);
addFileType("PPT", FILE_TYPE_MS_POWERPOINT, "application/mspowerpoint", MtpConstants.FORMAT_MS_POWERPOINT_PRESENTATION);
addFileType("FLAC", FILE_TYPE_FLAC, "audio/flac", MtpConstants.FORMAT_FLAC);
addFileType("ZIP", FILE_TYPE_ZIP, "application/zip");
addFileType("MPG", FILE_TYPE_MP2PS, "video/mp2p");
addFileType("MPEG", FILE_TYPE_MP2PS, "video/mp2p");
}
public static boolean isAudioFileType(int fileType) {
return ((fileType >= FIRST_AUDIO_FILE_TYPE &&
fileType <= LAST_AUDIO_FILE_TYPE) ||
(fileType >= FIRST_MIDI_FILE_TYPE &&
fileType <= LAST_MIDI_FILE_TYPE));
}
public static boolean isVideoFileType(int fileType) {
return (fileType >= FIRST_VIDEO_FILE_TYPE &&
fileType <= LAST_VIDEO_FILE_TYPE)
|| (fileType >= FIRST_VIDEO_FILE_TYPE2 &&
fileType <= LAST_VIDEO_FILE_TYPE2);
}
public static boolean isImageFileType(int fileType) {
return (fileType >= FIRST_IMAGE_FILE_TYPE &&
fileType <= LAST_IMAGE_FILE_TYPE);
}
public static boolean isPlayListFileType(int fileType) {
return (fileType >= FIRST_PLAYLIST_FILE_TYPE &&
fileType <= LAST_PLAYLIST_FILE_TYPE);
}
public static boolean isDrmFileType(int fileType) {
return (fileType >= FIRST_DRM_FILE_TYPE &&
fileType <= LAST_DRM_FILE_TYPE);
}
public static MediaFileType getFileType(String path) {
int lastDot = path.lastIndexOf('.');
if (lastDot < 0)
return null;
return sFileTypeMap.get(path.substring(lastDot + 1).toUpperCase(Locale.ROOT));
}
public static boolean isMimeTypeMedia(String mimeType) {
int fileType = getFileTypeForMimeType(mimeType);
return isAudioFileType(fileType) || isVideoFileType(fileType)
|| isImageFileType(fileType) || isPlayListFileType(fileType);
}
// generates a title based on file name
public static String getFileTitle(String path) {
// extract file name after last slash
int lastSlash = path.lastIndexOf('/');
if (lastSlash >= 0) {
lastSlash++;
if (lastSlash < path.length()) {
path = path.substring(lastSlash);
}
}
// truncate the file extension (if any)
int lastDot = path.lastIndexOf('.');
if (lastDot > 0) {
path = path.substring(0, lastDot);
}
return path;
}
public static int getFileTypeForMimeType(String mimeType) {
Integer value = sMimeTypeMap.get(mimeType);
return (value == null ? 0 : value.intValue());
}
public static String getMimeTypeForFile(String path) {
MediaFileType mediaFileType = getFileType(path);
return (mediaFileType == null ? null : mediaFileType.mimeType);
}
public static int getFormatCode(String fileName, String mimeType) {
if (mimeType != null) {
Integer value = sMimeTypeToFormatMap.get(mimeType);
if (value != null) {
return value.intValue();
}
}
int lastDot = fileName.lastIndexOf('.');
if (lastDot > 0) {
String extension = fileName.substring(lastDot + 1).toUpperCase(Locale.ROOT);
Integer value = sFileTypeToFormatMap.get(extension);
if (value != null) {
return value.intValue();
}
}
return MtpConstants.FORMAT_UNDEFINED;
}
public static String getMimeTypeForFormatCode(int formatCode) {
return sFormatToMimeTypeMap.get(formatCode);
}
}
|
