1 /* 2 * Copyright (C) 2010 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 19 #define NUPLAYER_DECODER_H_ 20 21 #include "NuPlayer.h" 22 23 #include <media/stagefright/foundation/AHandler.h> 24 25 namespace android { 26 27 struct ABuffer; 28 29 struct NuPlayer::Decoder : public AHandler { 30 Decoder(const sp<AMessage> ¬ify, 31 const sp<NativeWindowWrapper> &nativeWindow = NULL); 32 33 void configure(const sp<AMessage> &format); 34 35 void signalFlush(); 36 void signalResume(); 37 void initiateShutdown(); 38 39 bool supportsSeamlessFormatChange(const sp<AMessage> &to) const; 40 41 protected: 42 virtual ~Decoder(); 43 44 virtual void onMessageReceived(const sp<AMessage> &msg); 45 46 private: 47 enum { 48 kWhatCodecNotify = 'cdcN', 49 }; 50 51 sp<AMessage> mNotify; 52 sp<NativeWindowWrapper> mNativeWindow; 53 54 sp<AMessage> mFormat; 55 sp<ACodec> mCodec; 56 sp<ALooper> mCodecLooper; 57 58 Vector<sp<ABuffer> > mCSD; 59 size_t mCSDIndex; 60 61 sp<AMessage> makeFormat(const sp<MetaData> &meta); 62 63 void onFillThisBuffer(const sp<AMessage> &msg); 64 65 bool supportsSeamlessAudioFormatChange(const sp<AMessage> &targetFormat) const; 66 67 DISALLOW_EVIL_CONSTRUCTORS(Decoder); 68 }; 69 70 } // namespace android 71 72 #endif // NUPLAYER_DECODER_H_ 73