973f553be4
The list of directories to skip are configurable via setprop. The main motivation is that some test data folder takes long time to scan, and media scanner may compete for CPU time against perf tests therefore skewing the results. Bug: 5263115 Change-Id: I568213e2a4babf6033021c1d336ef0347c0e3315
111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MEDIASCANNER_H
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#define MEDIASCANNER_H
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#include <utils/Log.h>
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#include <utils/threads.h>
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#include <utils/List.h>
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#include <utils/Errors.h>
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#include <pthread.h>
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struct dirent;
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namespace android {
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class MediaScannerClient;
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class StringArray;
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enum MediaScanResult {
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// This file or directory was scanned successfully.
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MEDIA_SCAN_RESULT_OK,
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// This file or directory was skipped because it was not found, could
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// not be opened, was of an unsupported type, or was malfored in some way.
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MEDIA_SCAN_RESULT_SKIPPED,
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// The scan should be aborted due to a fatal error such as out of memory
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// or an exception.
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MEDIA_SCAN_RESULT_ERROR,
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};
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struct MediaScanner {
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MediaScanner();
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virtual ~MediaScanner();
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virtual MediaScanResult processFile(
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const char *path, const char *mimeType, MediaScannerClient &client) = 0;
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virtual MediaScanResult processDirectory(
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const char *path, MediaScannerClient &client);
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void setLocale(const char *locale);
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// extracts album art as a block of data
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virtual char *extractAlbumArt(int fd) = 0;
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protected:
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const char *locale() const;
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private:
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// current locale (like "ja_JP"), created/destroyed with strdup()/free()
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char *mLocale;
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char *mSkipList;
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int *mSkipIndex;
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MediaScanResult doProcessDirectory(
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char *path, int pathRemaining, MediaScannerClient &client, bool noMedia);
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MediaScanResult doProcessDirectoryEntry(
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char *path, int pathRemaining, MediaScannerClient &client, bool noMedia,
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struct dirent* entry, char* fileSpot);
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void loadSkipList();
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bool shouldSkipDirectory(char *path);
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MediaScanner(const MediaScanner &);
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MediaScanner &operator=(const MediaScanner &);
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};
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class MediaScannerClient
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{
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public:
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MediaScannerClient();
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virtual ~MediaScannerClient();
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void setLocale(const char* locale);
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void beginFile();
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status_t addStringTag(const char* name, const char* value);
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void endFile();
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virtual status_t scanFile(const char* path, long long lastModified,
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long long fileSize, bool isDirectory, bool noMedia) = 0;
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virtual status_t handleStringTag(const char* name, const char* value) = 0;
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virtual status_t setMimeType(const char* mimeType) = 0;
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protected:
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void convertValues(uint32_t encoding);
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protected:
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// cached name and value strings, for native encoding support.
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StringArray* mNames;
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StringArray* mValues;
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// default encoding based on MediaScanner::mLocale string
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uint32_t mLocaleEncoding;
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};
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}; // namespace android
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#endif // MEDIASCANNER_H
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