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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 NUPLAYER_DECODER_H_
#define NUPLAYER_DECODER_H_
#include "NuPlayer.h"
#include <media/stagefright/foundation/AHandler.h>
namespace android {
struct ABuffer;
struct MediaCodec;
struct NuPlayer::Decoder : public AHandler {
Decoder(const sp<AMessage> ¬ify,
const sp<NativeWindowWrapper> &nativeWindow = NULL);
void configure(const sp<AMessage> &format);
void init();
void signalFlush();
void signalResume();
void initiateShutdown();
bool supportsSeamlessFormatChange(const sp<AMessage> &to) const;
enum {
kWhatFillThisBuffer = 'flTB',
kWhatDrainThisBuffer = 'drTB',
kWhatOutputFormatChanged = 'fmtC',
kWhatFlushCompleted = 'flsC',
kWhatShutdownCompleted = 'shDC',
kWhatEOS = 'eos ',
kWhatError = 'err ',
};
protected:
virtual ~Decoder();
virtual void onMessageReceived(const sp<AMessage> &msg);
private:
enum {
kWhatCodecNotify = 'cdcN',
kWhatConfigure = 'conf',
kWhatInputBufferFilled = 'inpF',
kWhatRenderBuffer = 'rndr',
kWhatFlush = 'flus',
kWhatShutdown = 'shuD',
};
sp<AMessage> mNotify;
sp<NativeWindowWrapper> mNativeWindow;
sp<AMessage> mInputFormat;
sp<AMessage> mOutputFormat;
sp<MediaCodec> mCodec;
sp<ALooper> mCodecLooper;
sp<ALooper> mDecoderLooper;
Vector<sp<ABuffer> > mInputBuffers;
Vector<sp<ABuffer> > mOutputBuffers;
void handleError(int32_t err);
bool handleAnInputBuffer();
bool handleAnOutputBuffer();
void requestCodecNotification();
bool isStaleReply(const sp<AMessage> &msg);
void onConfigure(const sp<AMessage> &format);
void onFlush();
void onInputBufferFilled(const sp<AMessage> &msg);
void onRenderBuffer(const sp<AMessage> &msg);
void onShutdown();
int32_t mBufferGeneration;
AString mComponentName;
bool supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const;
DISALLOW_EVIL_CONSTRUCTORS(Decoder);
};
} // namespace android
#endif // NUPLAYER_DECODER_H_
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