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/*
* Copyright (C) 2010 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 DECODER_WRAPPER_H_
#define DECODER_WRAPPER_H_
#include <media/stagefright/foundation/AHandler.h>
namespace android {
struct MediaSource;
struct DecoderWrapper : public AHandler {
DecoderWrapper();
void setNotificationMessage(const sp<AMessage> &msg);
void initiateSetup(const sp<AMessage> &msg);
void initiateShutdown();
void signalFlush();
void signalResume();
protected:
virtual ~DecoderWrapper();
virtual void onMessageReceived(const sp<AMessage> &msg);
private:
struct WrapperSource;
struct WrapperReader;
enum {
kWhatSetup,
kWhatInputBufferFilled,
kWhatOutputBufferDrained,
kWhatShutdown,
kWhatFillBufferDone,
kWhatInputDataRequested,
kWhatFlush,
kWhatResume,
};
sp<AMessage> mNotify;
sp<WrapperSource> mSource;
sp<ALooper> mReaderLooper;
sp<WrapperReader> mReader;
int32_t mNumOutstandingInputBuffers;
int32_t mNumOutstandingOutputBuffers;
int32_t mNumPendingDecodes;
bool mFlushing;
void onSetup(const sp<AMessage> &msg);
void onShutdown();
void onFlush();
void onResume();
void postFillBuffer();
void completeFlushIfPossible();
DISALLOW_EVIL_CONSTRUCTORS(DecoderWrapper);
};
} // namespace android
#endif // DECODER_WRAPPER_H_
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