1 /* 2 * Copyright (C) 2009 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 17 //#define LOG_NDEBUG 0 18 #define LOG_TAG "StagefrightMediaScanner" 19 #include <utils/Log.h> 20 21 #include <sys/types.h> 22 #include <sys/stat.h> 23 #include <fcntl.h> 24 25 #include <media/stagefright/StagefrightMediaScanner.h> 26 27 #include <media/IMediaHTTPService.h> 28 #include <media/mediametadataretriever.h> 29 #include <private/media/VideoFrame.h> 30 31 // Sonivox includes 32 #include <libsonivox/eas.h> 33 34 namespace android { 35 36 StagefrightMediaScanner::StagefrightMediaScanner() {} 37 38 StagefrightMediaScanner::~StagefrightMediaScanner() {} 39 40 static bool FileHasAcceptableExtension(const char *extension) { 41 static const char *kValidExtensions[] = { 42 ".mp3", ".mp4", ".m4a", ".3gp", ".3gpp", ".3g2", ".3gpp2", 43 ".mpeg", ".ogg", ".mid", ".smf", ".imy", ".wma", ".aac", 44 ".wav", ".amr", ".midi", ".xmf", ".rtttl", ".rtx", ".ota", 45 ".mkv", ".mka", ".webm", ".ts", ".fl", ".flac", ".mxmf", 46 ".avi", ".mpeg", ".mpg", ".awb", ".mpga" 47 }; 48 static const size_t kNumValidExtensions = 49 sizeof(kValidExtensions) / sizeof(kValidExtensions[0]); 50 51 for (size_t i = 0; i < kNumValidExtensions; ++i) { 52 if (!strcasecmp(extension, kValidExtensions[i])) { 53 return true; 54 } 55 } 56 57 return false; 58 } 59 60 static MediaScanResult HandleMIDI( 61 const char *filename, MediaScannerClient *client) { 62 // get the library configuration and do sanity check 63 const S_EAS_LIB_CONFIG* pLibConfig = EAS_Config(); 64 if ((pLibConfig == NULL) || (LIB_VERSION != pLibConfig->libVersion)) { 65 ALOGE("EAS library/header mismatch\n"); 66 return MEDIA_SCAN_RESULT_ERROR; 67 } 68 EAS_I32 temp; 69 70 // spin up a new EAS engine 71 EAS_DATA_HANDLE easData = NULL; 72 EAS_HANDLE easHandle = NULL; 73 EAS_RESULT result = EAS_Init(&easData); 74 if (result == EAS_SUCCESS) { 75 EAS_FILE file; 76 file.path = filename; 77 file.fd = 0; 78 file.offset = 0; 79 file.length = 0; 80 result = EAS_OpenFile(easData, &file, &easHandle); 81 } 82 if (result == EAS_SUCCESS) { 83 result = EAS_Prepare(easData, easHandle); 84 } 85 if (result == EAS_SUCCESS) { 86 result = EAS_ParseMetaData(easData, easHandle, &temp); 87 } 88 if (easHandle) { 89 EAS_CloseFile(easData, easHandle); 90 } 91 if (easData) { 92 EAS_Shutdown(easData); 93 } 94 95 if (result != EAS_SUCCESS) { 96 return MEDIA_SCAN_RESULT_SKIPPED; 97 } 98 99 char buffer[20]; 100 sprintf(buffer, "%ld", temp); 101 status_t status = client->addStringTag("duration", buffer); 102 if (status != OK) { 103 return MEDIA_SCAN_RESULT_ERROR; 104 } 105 return MEDIA_SCAN_RESULT_OK; 106 } 107 108 MediaScanResult StagefrightMediaScanner::processFile( 109 const char *path, const char *mimeType, 110 MediaScannerClient &client) { 111 ALOGV("processFile '%s'.", path); 112 113 client.setLocale(locale()); 114 client.beginFile(); 115 MediaScanResult result = processFileInternal(path, mimeType, client); 116 client.endFile(); 117 return result; 118 } 119 120 MediaScanResult StagefrightMediaScanner::processFileInternal( 121 const char *path, const char * /* mimeType */, 122 MediaScannerClient &client) { 123 const char *extension = strrchr(path, '.'); 124 125 if (!extension) { 126 return MEDIA_SCAN_RESULT_SKIPPED; 127 } 128 129 if (!FileHasAcceptableExtension(extension)) { 130 return MEDIA_SCAN_RESULT_SKIPPED; 131 } 132 133 if (!strcasecmp(extension, ".mid") 134 || !strcasecmp(extension, ".smf") 135 || !strcasecmp(extension, ".imy") 136 || !strcasecmp(extension, ".midi") 137 || !strcasecmp(extension, ".xmf") 138 || !strcasecmp(extension, ".rtttl") 139 || !strcasecmp(extension, ".rtx") 140 || !strcasecmp(extension, ".ota") 141 || !strcasecmp(extension, ".mxmf")) { 142 return HandleMIDI(path, &client); 143 } 144 145 sp<MediaMetadataRetriever> mRetriever(new MediaMetadataRetriever); 146 147 int fd = open(path, O_RDONLY | O_LARGEFILE); 148 status_t status; 149 if (fd < 0) { 150 // couldn't open it locally, maybe the media server can? 151 status = mRetriever->setDataSource(NULL /* httpService */, path); 152 } else { 153 status = mRetriever->setDataSource(fd, 0, 0x7ffffffffffffffL); 154 close(fd); 155 } 156 157 if (status) { 158 return MEDIA_SCAN_RESULT_ERROR; 159 } 160 161 const char *value; 162 if ((value = mRetriever->extractMetadata( 163 METADATA_KEY_MIMETYPE)) != NULL) { 164 status = client.setMimeType(value); 165 if (status) { 166 return MEDIA_SCAN_RESULT_ERROR; 167 } 168 } 169 170 struct KeyMap { 171 const char *tag; 172 int key; 173 }; 174 static const KeyMap kKeyMap[] = { 175 { "tracknumber", METADATA_KEY_CD_TRACK_NUMBER }, 176 { "discnumber", METADATA_KEY_DISC_NUMBER }, 177 { "album", METADATA_KEY_ALBUM }, 178 { "artist", METADATA_KEY_ARTIST }, 179 { "albumartist", METADATA_KEY_ALBUMARTIST }, 180 { "composer", METADATA_KEY_COMPOSER }, 181 { "genre", METADATA_KEY_GENRE }, 182 { "title", METADATA_KEY_TITLE }, 183 { "year", METADATA_KEY_YEAR }, 184 { "duration", METADATA_KEY_DURATION }, 185 { "writer", METADATA_KEY_WRITER }, 186 { "compilation", METADATA_KEY_COMPILATION }, 187 { "isdrm", METADATA_KEY_IS_DRM }, 188 { "width", METADATA_KEY_VIDEO_WIDTH }, 189 { "height", METADATA_KEY_VIDEO_HEIGHT }, 190 }; 191 static const size_t kNumEntries = sizeof(kKeyMap) / sizeof(kKeyMap[0]); 192 193 for (size_t i = 0; i < kNumEntries; ++i) { 194 const char *value; 195 if ((value = mRetriever->extractMetadata(kKeyMap[i].key)) != NULL) { 196 status = client.addStringTag(kKeyMap[i].tag, value); 197 if (status != OK) { 198 return MEDIA_SCAN_RESULT_ERROR; 199 } 200 } 201 } 202 203 return MEDIA_SCAN_RESULT_OK; 204 } 205 206 MediaAlbumArt *StagefrightMediaScanner::extractAlbumArt(int fd) { 207 ALOGV("extractAlbumArt %d", fd); 208 209 off64_t size = lseek64(fd, 0, SEEK_END); 210 if (size < 0) { 211 return NULL; 212 } 213 lseek64(fd, 0, SEEK_SET); 214 215 sp<MediaMetadataRetriever> mRetriever(new MediaMetadataRetriever); 216 if (mRetriever->setDataSource(fd, 0, size) == OK) { 217 sp<IMemory> mem = mRetriever->extractAlbumArt(); 218 if (mem != NULL) { 219 MediaAlbumArt *art = static_cast<MediaAlbumArt *>(mem->pointer()); 220 return art->clone(); 221 } 222 } 223 224 return NULL; 225 } 226 227 } // namespace android 228
