NuPlayerDecoder.h revision a81c6229638a4db56752dd77a6610e0f0971e877 
1/*
2 * Copyright 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef NUPLAYER_DECODER_H_
18#define NUPLAYER_DECODER_H_
19
20#include "NuPlayer.h"
21
22#include "NuPlayerDecoderBase.h"
23
24namespace android {
25
26struct NuPlayer::Decoder : public DecoderBase {
27    Decoder(const sp<AMessage> &notify,
28            const sp<Source> &source,
29            const sp<Renderer> &renderer = NULL,
30            const sp<Surface> &surface = NULL,
31            const sp<CCDecoder> &ccDecoder = NULL);
32
33    virtual sp<AMessage> getStats() const;
34
35    // sets the output surface of video decoders.
36    virtual status_t setVideoSurface(const sp<Surface> &surface);
37
38protected:
39    virtual ~Decoder();
40
41    virtual void onMessageReceived(const sp<AMessage> &msg);
42
43    virtual void onConfigure(const sp<AMessage> &format);
44    virtual void onSetParameters(const sp<AMessage> &params);
45    virtual void onSetRenderer(const sp<Renderer> &renderer);
46    virtual void onGetInputBuffers(Vector<sp<ABuffer> > *dstBuffers);
47    virtual void onResume(bool notifyComplete);
48    virtual void onFlush();
49    virtual void onShutdown(bool notifyComplete);
50    virtual bool doRequestBuffers();
51
52private:
53    enum {
54        kWhatCodecNotify         = 'cdcN',
55        kWhatRenderBuffer        = 'rndr',
56        kWhatSetVideoSurface     = 'sSur'
57    };
58
59    sp<Surface> mSurface;
60
61    sp<Source> mSource;
62    sp<Renderer> mRenderer;
63    sp<CCDecoder> mCCDecoder;
64
65    sp<AMessage> mInputFormat;
66    sp<AMessage> mOutputFormat;
67    sp<MediaCodec> mCodec;
68    sp<ALooper> mCodecLooper;
69
70    List<sp<AMessage> > mPendingInputMessages;
71
72    Vector<sp<ABuffer> > mInputBuffers;
73    Vector<sp<ABuffer> > mOutputBuffers;
74    Vector<sp<ABuffer> > mCSDsForCurrentFormat;
75    Vector<sp<ABuffer> > mCSDsToSubmit;
76    Vector<bool> mInputBufferIsDequeued;
77    Vector<MediaBuffer *> mMediaBuffers;
78    Vector<size_t> mDequeuedInputBuffers;
79
80    int64_t mSkipRenderingUntilMediaTimeUs;
81    int64_t mNumFramesTotal;
82    int64_t mNumInputFramesDropped;
83    int64_t mNumOutputFramesDropped;
84    int32_t mVideoWidth;
85    int32_t mVideoHeight;
86    bool mIsAudio;
87    bool mIsVideoAVC;
88    bool mIsSecure;
89    bool mFormatChangePending;
90    bool mTimeChangePending;
91
92    bool mPaused;
93    bool mResumePending;
94    AString mComponentName;
95
96    void handleError(int32_t err);
97    bool handleAnInputBuffer(size_t index);
98    bool handleAnOutputBuffer(
99            size_t index,
100            size_t offset,
101            size_t size,
102            int64_t timeUs,
103            int32_t flags);
104    void handleOutputFormatChange(const sp<AMessage> &format);
105
106    void releaseAndResetMediaBuffers();
107    void requestCodecNotification();
108    bool isStaleReply(const sp<AMessage> &msg);
109
110    void doFlush(bool notifyComplete);
111    status_t fetchInputData(sp<AMessage> &reply);
112    bool onInputBufferFetched(const sp<AMessage> &msg);
113    void onRenderBuffer(const sp<AMessage> &msg);
114
115    bool supportsSeamlessFormatChange(const sp<AMessage> &to) const;
116    bool supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const;
117    void rememberCodecSpecificData(const sp<AMessage> &format);
118    bool isDiscontinuityPending() const;
119    void finishHandleDiscontinuity(bool flushOnTimeChange);
120
121    void notifyResumeCompleteIfNecessary();
122
123    DISALLOW_EVIL_CONSTRUCTORS(Decoder);
124};
125
126}  // namespace android
127
128#endif  // NUPLAYER_DECODER_H_
129