88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
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/*
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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 MEDIAMETADATARETRIEVER_H
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#define MEDIAMETADATARETRIEVER_H
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#include <utils/Errors.h> // for status_t
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#include <utils/threads.h>
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#include <binder/IMemory.h>
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#include <media/IMediaMetadataRetriever.h>
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namespace android {
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class IMediaPlayerService;
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class IMediaMetadataRetriever;
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// Keep these in synch with the constants defined in MediaMetadataRetriever.java
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// class.
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enum {
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METADATA_KEY_CD_TRACK_NUMBER = 0,
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METADATA_KEY_ALBUM = 1,
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METADATA_KEY_ARTIST = 2,
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METADATA_KEY_AUTHOR = 3,
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METADATA_KEY_COMPOSER = 4,
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METADATA_KEY_DATE = 5,
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METADATA_KEY_GENRE = 6,
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METADATA_KEY_TITLE = 7,
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METADATA_KEY_YEAR = 8,
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METADATA_KEY_DURATION = 9,
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METADATA_KEY_NUM_TRACKS = 10,
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METADATA_KEY_WRITER = 11,
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METADATA_KEY_MIMETYPE = 12,
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METADATA_KEY_ALBUMARTIST = 13,
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METADATA_KEY_DISC_NUMBER = 14,
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METADATA_KEY_COMPILATION = 15,
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// Add more here...
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};
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class MediaMetadataRetriever: public RefBase
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{
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public:
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MediaMetadataRetriever();
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~MediaMetadataRetriever();
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void disconnect();
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status_t setDataSource(const char* dataSourceUrl);
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status_t setDataSource(int fd, int64_t offset, int64_t length);
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sp<IMemory> getFrameAtTime(int64_t timeUs, int option);
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sp<IMemory> extractAlbumArt();
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const char* extractMetadata(int keyCode);
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private:
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static const sp<IMediaPlayerService>& getService();
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class DeathNotifier: public IBinder::DeathRecipient
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{
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public:
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DeathNotifier() {}
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virtual ~DeathNotifier();
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virtual void binderDied(const wp<IBinder>& who);
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};
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static sp<DeathNotifier> sDeathNotifier;
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static Mutex sServiceLock;
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static sp<IMediaPlayerService> sService;
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Mutex mLock;
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sp<IMediaMetadataRetriever> mRetriever;
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};
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}; // namespace android
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#endif // MEDIAMETADATARETRIEVER_H
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