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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_BASE_H_
#define NUPLAYER_DECODER_BASE_H_
#include "NuPlayer.h"
#include <media/stagefright/foundation/AHandler.h>
namespace android {
struct ABuffer;
struct MediaCodec;
class MediaBuffer;
class Surface;
struct NuPlayer::DecoderBase : public AHandler {
DecoderBase(const sp<AMessage> ¬ify);
void configure(const sp<AMessage> &format);
void init();
void setParameters(const sp<AMessage> ¶ms);
// Synchronous call to ensure decoder will not request or send out data.
void pause();
void setRenderer(const sp<Renderer> &renderer);
virtual status_t setVideoSurface(const sp<Surface> &) { return INVALID_OPERATION; }
status_t getInputBuffers(Vector<sp<ABuffer> > *dstBuffers) const;
void signalFlush();
void signalResume(bool notifyComplete);
void initiateShutdown();
virtual sp<AMessage> getStats() const {
return mStats;
}
enum {
kWhatInputDiscontinuity = 'inDi',
kWhatVideoSizeChanged = 'viSC',
kWhatFlushCompleted = 'flsC',
kWhatShutdownCompleted = 'shDC',
kWhatResumeCompleted = 'resC',
kWhatEOS = 'eos ',
kWhatError = 'err ',
};
protected:
virtual ~DecoderBase();
virtual void onMessageReceived(const sp<AMessage> &msg);
virtual void onConfigure(const sp<AMessage> &format) = 0;
virtual void onSetParameters(const sp<AMessage> ¶ms) = 0;
virtual void onSetRenderer(const sp<Renderer> &renderer) = 0;
virtual void onGetInputBuffers(Vector<sp<ABuffer> > *dstBuffers) = 0;
virtual void onResume(bool notifyComplete) = 0;
virtual void onFlush() = 0;
virtual void onShutdown(bool notifyComplete) = 0;
void onRequestInputBuffers();
virtual bool doRequestBuffers() = 0;
virtual void handleError(int32_t err);
sp<AMessage> mNotify;
int32_t mBufferGeneration;
bool mPaused;
sp<AMessage> mStats;
private:
enum {
kWhatConfigure = 'conf',
kWhatSetParameters = 'setP',
kWhatSetRenderer = 'setR',
kWhatPause = 'paus',
kWhatGetInputBuffers = 'gInB',
kWhatRequestInputBuffers = 'reqB',
kWhatFlush = 'flus',
kWhatShutdown = 'shuD',
};
sp<ALooper> mDecoderLooper;
bool mRequestInputBuffersPending;
DISALLOW_EVIL_CONSTRUCTORS(DecoderBase);
};
} // namespace android
#endif // NUPLAYER_DECODER_BASE_H_
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