M7350/base/media/libmediaplayerservice/MetadataRetrieverClient.h
2024-09-09 08:52:07 +00:00

71 lines
2.3 KiB
C++

/*
**
** Copyright (C) 2008 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_MEDIAMETADATARETRIEVERSERVICE_H
#define ANDROID_MEDIAMETADATARETRIEVERSERVICE_H
#include <utils/Log.h>
#include <utils/threads.h>
#include <utils/List.h>
#include <utils/Errors.h>
#include <utils/KeyedVector.h>
#include <binder/IMemory.h>
#include <media/MediaMetadataRetrieverInterface.h>
namespace android {
class IMediaPlayerService;
class MemoryDealer;
class MetadataRetrieverClient : public BnMediaMetadataRetriever
{
public:
MetadataRetrieverClient(const sp<IMediaPlayerService>& service, pid_t pid, int32_t connId);
// Implements IMediaMetadataRetriever interface
// These methods are called in IMediaMetadataRetriever.cpp?
virtual void disconnect();
virtual status_t setDataSource(const char *url);
virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
virtual sp<IMemory> getFrameAtTime(int64_t timeUs, int option);
virtual sp<IMemory> extractAlbumArt();
virtual const char* extractMetadata(int keyCode);
virtual status_t dump(int fd, const Vector<String16>& args) const;
private:
friend class MediaPlayerService;
explicit MetadataRetrieverClient(pid_t pid);
virtual ~MetadataRetrieverClient();
mutable Mutex mLock;
sp<MediaMetadataRetrieverBase> mRetriever;
pid_t mPid;
// Keep the shared memory copy of album art and capture frame (for thumbnail)
sp<IMemory> mAlbumArt;
sp<IMemory> mThumbnail;
};
}; // namespace android
#endif // ANDROID_MEDIAMETADATARETRIEVERSERVICE_H