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 24 namespace android { 25 26 struct NuPlayer::Decoder : public DecoderBase { 27 Decoder(const sp<AMessage> ¬ify, 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 39 protected: 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> ¶ms); 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 53 private: 54 enum { 55 kWhatCodecNotify = 'cdcN', 56 kWhatRenderBuffer = 'rndr', 57 kWhatSetVideoSurface = 'sSur' 58 }; 59 60 sp<Surface> mSurface; 61 62 sp<Source> mSource; 63 sp<Renderer> mRenderer; 64 sp<CCDecoder> mCCDecoder; 65 66 sp<AMessage> mInputFormat; 67 sp<AMessage> mOutputFormat; 68 sp<MediaCodec> mCodec; 69 sp<ALooper> mCodecLooper; 70 71 List<sp<AMessage> > mPendingInputMessages; 72 73 Vector<sp<ABuffer> > mInputBuffers; 74 Vector<sp<ABuffer> > mOutputBuffers; 75 Vector<sp<ABuffer> > mCSDsForCurrentFormat; 76 Vector<sp<ABuffer> > mCSDsToSubmit; 77 Vector<bool> mInputBufferIsDequeued; 78 Vector<MediaBuffer *> mMediaBuffers; 79 Vector<size_t> mDequeuedInputBuffers; 80 81 const pid_t mPid; 82 int64_t mSkipRenderingUntilMediaTimeUs; 83 int64_t mNumFramesTotal; 84 int64_t mNumInputFramesDropped; 85 int64_t mNumOutputFramesDropped; 86 int32_t mVideoWidth; 87 int32_t mVideoHeight; 88 bool mIsAudio; 89 bool mIsVideoAVC; 90 bool mIsSecure; 91 bool mFormatChangePending; 92 bool mTimeChangePending; 93 94 bool mResumePending; 95 AString mComponentName; 96 97 void handleError(int32_t err); 98 bool handleAnInputBuffer(size_t index); 99 bool handleAnOutputBuffer( 100 size_t index, 101 size_t offset, 102 size_t size, 103 int64_t timeUs, 104 int32_t flags); 105 void handleOutputFormatChange(const sp<AMessage> &format); 106 107 void releaseAndResetMediaBuffers(); 108 void requestCodecNotification(); 109 bool isStaleReply(const sp<AMessage> &msg); 110 111 void doFlush(bool notifyComplete); 112 status_t fetchInputData(sp<AMessage> &reply); 113 bool onInputBufferFetched(const sp<AMessage> &msg); 114 void onRenderBuffer(const sp<AMessage> &msg); 115 116 bool supportsSeamlessFormatChange(const sp<AMessage> &to) const; 117 bool supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const; 118 void rememberCodecSpecificData(const sp<AMessage> &format); 119 bool isDiscontinuityPending() const; 120 void finishHandleDiscontinuity(bool flushOnTimeChange); 121 122 void notifyResumeCompleteIfNecessary(); 123 124 DISALLOW_EVIL_CONSTRUCTORS(Decoder); 125 }; 126 127 } // namespace android 128 129 #endif // NUPLAYER_DECODER_H_ 130