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