NuPlayerDecoder.h revision 9a3101b22b5115717faeac986b43fc6618fd3b30 
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
26class MediaCodecBuffer;
27
28struct NuPlayer::Decoder : public DecoderBase {
29    Decoder(const sp<AMessage> &notify,
30            const sp<Source> &source,
31            pid_t pid,
32            uid_t uid,
33            const sp<Renderer> &renderer = NULL,
34            const sp<Surface> &surface = NULL,
35            const sp<CCDecoder> &ccDecoder = NULL);
36
37    virtual sp<AMessage> getStats() const;
38
39    // sets the output surface of video decoders.
40    virtual status_t setVideoSurface(const sp<Surface> &surface);
41
42protected:
43    virtual ~Decoder();
44
45    virtual void onMessageReceived(const sp<AMessage> &msg);
46
47    virtual void onConfigure(const sp<AMessage> &format);
48    virtual void onSetParameters(const sp<AMessage> &params);
49    virtual void onSetRenderer(const sp<Renderer> &renderer);
50    virtual void onGetInputBuffers(Vector<sp<MediaCodecBuffer> > *dstBuffers);
51    virtual void onResume(bool notifyComplete);
52    virtual void onFlush();
53    virtual void onShutdown(bool notifyComplete);
54    virtual bool doRequestBuffers();
55
56private:
57    enum {
58        kWhatCodecNotify         = 'cdcN',
59        kWhatRenderBuffer        = 'rndr',
60        kWhatSetVideoSurface     = 'sSur',
61        kWhatAudioOutputFormatChanged = 'aofc'
62    };
63
64    enum {
65        kMaxNumVideoTemporalLayers = 32,
66    };
67
68    sp<Surface> mSurface;
69
70    sp<Source> mSource;
71    sp<Renderer> mRenderer;
72    sp<CCDecoder> mCCDecoder;
73
74    sp<AMessage> mInputFormat;
75    sp<AMessage> mOutputFormat;
76    sp<MediaCodec> mCodec;
77    sp<ALooper> mCodecLooper;
78
79    List<sp<AMessage> > mPendingInputMessages;
80
81    Vector<sp<MediaCodecBuffer> > mInputBuffers;
82    Vector<sp<MediaCodecBuffer> > mOutputBuffers;
83    Vector<sp<ABuffer> > mCSDsForCurrentFormat;
84    Vector<sp<ABuffer> > mCSDsToSubmit;
85    Vector<bool> mInputBufferIsDequeued;
86    Vector<MediaBuffer *> mMediaBuffers;
87    Vector<size_t> mDequeuedInputBuffers;
88
89    const pid_t mPid;
90    const uid_t mUid;
91    int64_t mSkipRenderingUntilMediaTimeUs;
92    int64_t mNumFramesTotal;
93    int64_t mNumInputFramesDropped;
94    int64_t mNumOutputFramesDropped;
95    int32_t mVideoWidth;
96    int32_t mVideoHeight;
97    bool mIsAudio;
98    bool mIsVideoAVC;
99    bool mIsSecure;
100    bool mFormatChangePending;
101    bool mTimeChangePending;
102    float mFrameRateTotal;
103    float mPlaybackSpeed;
104    int32_t mNumVideoTemporalLayerTotal;
105    int32_t mNumVideoTemporalLayerAllowed;
106    int32_t mCurrentMaxVideoTemporalLayerId;
107    float mVideoTemporalLayerAggregateFps[kMaxNumVideoTemporalLayers];
108
109    bool mResumePending;
110    AString mComponentName;
111
112    void handleError(int32_t err);
113    bool handleAnInputBuffer(size_t index);
114    bool handleAnOutputBuffer(
115            size_t index,
116            size_t offset,
117            size_t size,
118            int64_t timeUs,
119            int32_t flags);
120    void handleOutputFormatChange(const sp<AMessage> &format);
121
122    void releaseAndResetMediaBuffers();
123    void requestCodecNotification();
124    bool isStaleReply(const sp<AMessage> &msg);
125
126    void doFlush(bool notifyComplete);
127    status_t fetchInputData(sp<AMessage> &reply);
128    bool onInputBufferFetched(const sp<AMessage> &msg);
129    void onRenderBuffer(const sp<AMessage> &msg);
130
131    bool supportsSeamlessFormatChange(const sp<AMessage> &to) const;
132    bool supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const;
133    void rememberCodecSpecificData(const sp<AMessage> &format);
134    bool isDiscontinuityPending() const;
135    void finishHandleDiscontinuity(bool flushOnTimeChange);
136
137    void notifyResumeCompleteIfNecessary();
138
139    DISALLOW_EVIL_CONSTRUCTORS(Decoder);
140};
141
142}  // namespace android
143
144#endif  // NUPLAYER_DECODER_H_
145