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 ANDROID_ISTREAMSOURCE_H_ 18 19 #define ANDROID_ISTREAMSOURCE_H_ 20 21 #include <binder/IInterface.h> 22 23 namespace android { 24 25 struct AMessage; 26 class IMemory; 27 struct IStreamListener; 28 29 struct IStreamSource : public IInterface { 30 DECLARE_META_INTERFACE(StreamSource); 31 32 virtual void setListener(const sp<IStreamListener> &listener) = 0; 33 virtual void setBuffers(const Vector<sp<IMemory> > &buffers) = 0; 34 35 virtual void onBufferAvailable(size_t index) = 0; 36 37 enum { 38 // Video PES packets contain exactly one (aligned) access unit. 39 kFlagAlignedVideoData = 1, 40 41 // Timestamps are in ALooper::GetNowUs() units. 42 kFlagIsRealTimeData = 2, 43 }; flagsIStreamSource44 virtual uint32_t flags() const { return 0; } 45 }; 46 47 struct IStreamListener : public IInterface { 48 DECLARE_META_INTERFACE(StreamListener); 49 50 enum Command { 51 EOS, 52 DISCONTINUITY, 53 }; 54 55 virtual void queueBuffer(size_t index, size_t size) = 0; 56 57 virtual void issueCommand( 58 Command cmd, bool synchronous, const sp<AMessage> &msg = NULL) = 0; 59 }; 60 61 //////////////////////////////////////////////////////////////////////////////// 62 63 struct BnStreamSource : public BnInterface<IStreamSource> { 64 virtual status_t onTransact( 65 uint32_t code, const Parcel &data, Parcel *reply, 66 uint32_t flags = 0); 67 }; 68 69 struct BnStreamListener : public BnInterface<IStreamListener> { 70 virtual status_t onTransact( 71 uint32_t code, const Parcel &data, Parcel *reply, 72 uint32_t flags = 0); 73 }; 74 75 } // namespace android 76 77 #endif // ANDROID_ISTREAMSOURCE_H_ 78