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 A_RTSP_CONTROLLER_H_ 18 19 #define A_RTSP_CONTROLLER_H_ 20 21 #include <media/stagefright/foundation/ABase.h> 22 #include <media/stagefright/foundation/AHandlerReflector.h> 23 #include <media/stagefright/MediaExtractor.h> 24 25 namespace android { 26 27 struct ALooper; 28 struct MyHandler; 29 30 struct ARTSPController : public MediaExtractor { 31 ARTSPController(const sp<ALooper> &looper); 32 33 status_t connect(const char *url); 34 void disconnect(); 35 36 void seekAsync(int64_t timeUs, void (*seekDoneCb)(void *), void *cookie); 37 38 virtual size_t countTracks(); 39 virtual sp<MediaSource> getTrack(size_t index); 40 41 virtual sp<MetaData> getTrackMetaData( 42 size_t index, uint32_t flags); 43 44 int64_t getNormalPlayTimeUs(); 45 int64_t getQueueDurationUs(bool *eos); 46 47 void onMessageReceived(const sp<AMessage> &msg); 48 49 virtual uint32_t flags() const { 50 // Seeking 10secs forward or backward is a very expensive operation 51 // for rtsp, so let's not enable that. 52 // The user can always use the seek bar. 53 54 return CAN_PAUSE | CAN_SEEK; 55 } 56 57 protected: 58 virtual ~ARTSPController(); 59 60 private: 61 enum { 62 kWhatConnectDone = 'cdon', 63 kWhatDisconnectDone = 'ddon', 64 kWhatSeekDone = 'sdon', 65 }; 66 67 enum State { 68 DISCONNECTED, 69 CONNECTED, 70 CONNECTING, 71 }; 72 73 Mutex mLock; 74 Condition mCondition; 75 76 State mState; 77 status_t mConnectionResult; 78 79 sp<ALooper> mLooper; 80 sp<MyHandler> mHandler; 81 sp<AHandlerReflector<ARTSPController> > mReflector; 82 83 void (*mSeekDoneCb)(void *); 84 void *mSeekDoneCookie; 85 int64_t mLastSeekCompletedTimeUs; 86 87 DISALLOW_EVIL_CONSTRUCTORS(ARTSPController); 88 }; 89 90 } // namespace android 91 92 #endif // A_RTSP_CONTROLLER_H_ 93