50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*
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**
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** Copyright 2009, 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 ANDROID_MIDIMETADATARETRIEVER_H
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#define ANDROID_MIDIMETADATARETRIEVER_H
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#include <utils/threads.h>
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#include <utils/Errors.h>
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#include <media/MediaMetadataRetrieverInterface.h>
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#include "MidiFile.h"
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namespace android {
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class MidiMetadataRetriever : public MediaMetadataRetrieverInterface {
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public:
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MidiMetadataRetriever() {}
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~MidiMetadataRetriever() {}
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virtual status_t setDataSource(const char *url);
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virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
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virtual const char* extractMetadata(int keyCode);
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private:
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static const uint32_t MAX_METADATA_STRING_LENGTH = 128;
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void clearMetadataValues();
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Mutex mLock;
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sp<MidiFile> mMidiPlayer;
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char mMetadataValues[1][MAX_METADATA_STRING_LENGTH];
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};
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}; // namespace android
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#endif // ANDROID_MIDIMETADATARETRIEVER_H
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