NuPlayerDecoder.h revision bbaa144657862e424ed6a199edbd36b5a93c93ad 
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            pid_t pid,
30            const sp<Renderer> &renderer = NULL,
31            const sp<Surface> &surface = NULL,
32            const sp<CCDecoder> &ccDecoder = NULL);
33
34    virtual sp<AMessage> getStats() const;
35
36    // sets the output surface of video decoders.
37    virtual status_t setVideoSurface(const sp<Surface> &surface);
38
39protected:
40    virtual ~Decoder();
41
42    virtual void onMessageReceived(const sp<AMessage> &msg);
43
44    virtual void onConfigure(const sp<AMessage> &format);
45    virtual void onSetParameters(const sp<AMessage> &params);
46    virtual void onSetRenderer(const sp<Renderer> &renderer);
47    virtual void onGetInputBuffers(Vector<sp<ABuffer> > *dstBuffers);
48    virtual void onResume(bool notifyComplete);
49    virtual void onFlush();
50    virtual void onShutdown(bool notifyComplete);
51    virtual bool doRequestBuffers();
52
53private:
54    enum {
55        kWhatCodecNotify         = 'cdcN',
56        kWhatRenderBuffer        = 'rndr',
57        kWhatSetVideoSurface     = 'sSur'
58    };
59
60    enum {
61        kMaxNumVideoTemporalLayers = 32,
62    };
63
64    sp<Surface> mSurface;
65
66    sp<Source> mSource;
67    sp<Renderer> mRenderer;
68    sp<CCDecoder> mCCDecoder;
69
70    sp<AMessage> mInputFormat;
71    sp<AMessage> mOutputFormat;
72    sp<MediaCodec> mCodec;
73    sp<ALooper> mCodecLooper;
74
75    List<sp<AMessage> > mPendingInputMessages;
76
77    Vector<sp<ABuffer> > mInputBuffers;
78    Vector<sp<ABuffer> > mOutputBuffers;
79    Vector<sp<ABuffer> > mCSDsForCurrentFormat;
80    Vector<sp<ABuffer> > mCSDsToSubmit;
81    Vector<bool> mInputBufferIsDequeued;
82    Vector<MediaBuffer *> mMediaBuffers;
83    Vector<size_t> mDequeuedInputBuffers;
84
85    const pid_t mPid;
86    int64_t mSkipRenderingUntilMediaTimeUs;
87    int64_t mNumFramesTotal;
88    int64_t mNumInputFramesDropped;
89    int64_t mNumOutputFramesDropped;
90    int32_t mVideoWidth;
91    int32_t mVideoHeight;
92    bool mIsAudio;
93    bool mIsVideoAVC;
94    bool mIsSecure;
95    bool mFormatChangePending;
96    bool mTimeChangePending;
97    float mFrameRateTotal;
98    float mPlaybackSpeed;
99    int32_t mNumVideoTemporalLayerTotal;
100    int32_t mNumVideoTemporalLayerAllowed;
101    int32_t mCurrentMaxVideoTemporalLayerId;
102    float mVideoTemporalLayerAggregateFps[kMaxNumVideoTemporalLayers];
103
104    bool mResumePending;
105    AString mComponentName;
106
107    void handleError(int32_t err);
108    bool handleAnInputBuffer(size_t index);
109    bool handleAnOutputBuffer(
110            size_t index,
111            size_t offset,
112            size_t size,
113            int64_t timeUs,
114            int32_t flags);
115    void handleOutputFormatChange(const sp<AMessage> &format);
116
117    void releaseAndResetMediaBuffers();
118    void requestCodecNotification();
119    bool isStaleReply(const sp<AMessage> &msg);
120
121    void doFlush(bool notifyComplete);
122    status_t fetchInputData(sp<AMessage> &reply);
123    bool onInputBufferFetched(const sp<AMessage> &msg);
124    void onRenderBuffer(const sp<AMessage> &msg);
125
126    bool supportsSeamlessFormatChange(const sp<AMessage> &to) const;
127    bool supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const;
128    void rememberCodecSpecificData(const sp<AMessage> &format);
129    bool isDiscontinuityPending() const;
130    void finishHandleDiscontinuity(bool flushOnTimeChange);
131
132    void notifyResumeCompleteIfNecessary();
133
134    DISALLOW_EVIL_CONSTRUCTORS(Decoder);
135};
136
137}  // namespace android
138
139#endif  // NUPLAYER_DECODER_H_
140