| /* |
| * 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.content.ContentValues; |
| import android.provider.MediaStore.Audio; |
| import android.provider.MediaStore.Images; |
| import android.provider.MediaStore.Video; |
| 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.Iterator; |
| import java.util.List; |
| |
| /** |
| * 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; |
| private static final int FIRST_VIDEO_FILE_TYPE = FILE_TYPE_MP4; |
| private static final int LAST_VIDEO_FILE_TYPE = FILE_TYPE_MP2TS; |
| |
| // 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; |
| private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG; |
| private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_WBMP; |
| |
| // 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; |
| |
| static class MediaFileType { |
| |
| int fileType; |
| String mimeType; |
| |
| MediaFileType(int fileType, String mimeType) { |
| this.fileType = fileType; |
| this.mimeType = mimeType; |
| } |
| } |
| |
| private static HashMap<String, MediaFileType> sFileTypeMap |
| = new HashMap<String, MediaFileType>(); |
| private static HashMap<String, Integer> sMimeTypeMap |
| = new HashMap<String, Integer>(); |
| // maps file extension to MTP format code |
| private static HashMap<String, Integer> sFileTypeToFormatMap |
| = new HashMap<String, Integer>(); |
| // maps mime type to MTP format code |
| private static HashMap<String, Integer> sMimeTypeToFormatMap |
| = new HashMap<String, Integer>(); |
| // maps MTP format code to mime type |
| private static 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("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, "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("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("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_MKV, "video/x-matroska"); |
| addFileType("TS", FILE_TYPE_MP2TS, "video/mp2ts"); |
| |
| 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("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"); |
| } |
| |
| 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); |
| } |
| |
| 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()); |
| } |
| |
| 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); |
| 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); |
| } |
| } |
