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/*
**
** 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_MEDIAMETADATARETRIEVERINTERFACE_H
#define ANDROID_MEDIAMETADATARETRIEVERINTERFACE_H
#include <utils/RefBase.h>
#include <media/mediametadataretriever.h>
#include <media/mediascanner.h>
#include <private/media/VideoFrame.h>
namespace android {
class DataSource;
class IMediaHTTPService;
// Abstract base class
class MediaMetadataRetrieverBase : public RefBase
{
public:
MediaMetadataRetrieverBase() {}
virtual ~MediaMetadataRetrieverBase() {}
virtual status_t setDataSource(
const sp<IMediaHTTPService> &httpService,
const char *url,
const KeyedVector<String8, String8> *headers = NULL) = 0;
virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0;
virtual status_t setDataSource(const sp<DataSource>& source) = 0;
virtual VideoFrame* getFrameAtTime(int64_t timeUs, int option) = 0;
virtual MediaAlbumArt* extractAlbumArt() = 0;
virtual const char* extractMetadata(int keyCode) = 0;
};
// MediaMetadataRetrieverInterface
class MediaMetadataRetrieverInterface : public MediaMetadataRetrieverBase
{
public:
MediaMetadataRetrieverInterface() {}
virtual ~MediaMetadataRetrieverInterface() {}
virtual VideoFrame* getFrameAtTime(int64_t timeUs, int option) { return NULL; }
virtual MediaAlbumArt* extractAlbumArt() { return NULL; }
virtual const char* extractMetadata(int keyCode) { return NULL; }
};
}; // namespace android
#endif // ANDROID_MEDIAMETADATARETRIEVERINTERFACE_H
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