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 HTTP_LIVE_SOURCE_H_ 18 19 #define HTTP_LIVE_SOURCE_H_ 20 21 #include "NuPlayer.h" 22 #include "NuPlayerSource.h" 23 24 #include "LiveSession.h" 25 26 namespace android { 27 28 struct LiveSession; 29 30 struct NuPlayer::HTTPLiveSource : public NuPlayer::Source { 31 HTTPLiveSource( 32 const sp<AMessage> ¬ify, 33 const sp<IMediaHTTPService> &httpService, 34 const char *url, 35 const KeyedVector<String8, String8> *headers); 36 37 virtual void prepareAsync(); 38 virtual void start(); 39 40 virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit); 41 virtual sp<AMessage> getFormat(bool audio); 42 43 virtual status_t feedMoreTSData(); 44 virtual status_t getDuration(int64_t *durationUs); 45 virtual size_t getTrackCount() const; 46 virtual sp<AMessage> getTrackInfo(size_t trackIndex) const; 47 virtual ssize_t getSelectedTrack(media_track_type /* type */) const; 48 virtual status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs); 49 virtual status_t seekTo(int64_t seekTimeUs); 50 51 protected: 52 virtual ~HTTPLiveSource(); 53 54 virtual void onMessageReceived(const sp<AMessage> &msg); 55 56 private: 57 enum Flags { 58 // Don't log any URLs. 59 kFlagIncognito = 1, 60 }; 61 62 enum { 63 kWhatSessionNotify, 64 kWhatFetchSubtitleData, 65 kWhatFetchMetaData, 66 }; 67 68 sp<IMediaHTTPService> mHTTPService; 69 AString mURL; 70 KeyedVector<String8, String8> mExtraHeaders; 71 uint32_t mFlags; 72 status_t mFinalResult; 73 off64_t mOffset; 74 sp<ALooper> mLiveLooper; 75 sp<LiveSession> mLiveSession; 76 int32_t mFetchSubtitleDataGeneration; 77 int32_t mFetchMetaDataGeneration; 78 bool mHasMetadata; 79 bool mMetadataSelected; 80 81 void onSessionNotify(const sp<AMessage> &msg); 82 void pollForRawData( 83 const sp<AMessage> &msg, int32_t currentGeneration, 84 LiveSession::StreamType fetchType, int32_t pushWhat); 85 86 DISALLOW_EVIL_CONSTRUCTORS(HTTPLiveSource); 87 }; 88 89 } // namespace android 90 91 #endif // HTTP_LIVE_SOURCE_H_ 92