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      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 namespace android {
     25 
     26 struct LiveSession;
     27 
     28 struct NuPlayer::HTTPLiveSource : public NuPlayer::Source {
     29     HTTPLiveSource(
     30             const sp<AMessage> &notify,
     31             const char *url,
     32             const KeyedVector<String8, String8> *headers,
     33             bool uidValid = false,
     34             uid_t uid = 0);
     35 
     36     virtual void prepareAsync();
     37     virtual void start();
     38 
     39     virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
     40     virtual sp<AMessage> getFormat(bool audio);
     41 
     42     virtual status_t feedMoreTSData();
     43     virtual status_t getDuration(int64_t *durationUs);
     44     virtual status_t getTrackInfo(Parcel *reply) const;
     45     virtual status_t selectTrack(size_t trackIndex, bool select);
     46     virtual status_t seekTo(int64_t seekTimeUs);
     47 
     48 protected:
     49     virtual ~HTTPLiveSource();
     50 
     51     virtual void onMessageReceived(const sp<AMessage> &msg);
     52 
     53 private:
     54     enum Flags {
     55         // Don't log any URLs.
     56         kFlagIncognito = 1,
     57     };
     58 
     59     enum {
     60         kWhatSessionNotify,
     61         kWhatFetchSubtitleData,
     62     };
     63 
     64     AString mURL;
     65     KeyedVector<String8, String8> mExtraHeaders;
     66     bool mUIDValid;
     67     uid_t mUID;
     68     uint32_t mFlags;
     69     status_t mFinalResult;
     70     off64_t mOffset;
     71     sp<ALooper> mLiveLooper;
     72     sp<LiveSession> mLiveSession;
     73     int32_t mFetchSubtitleDataGeneration;
     74 
     75     void onSessionNotify(const sp<AMessage> &msg);
     76 
     77     DISALLOW_EVIL_CONSTRUCTORS(HTTPLiveSource);
     78 };
     79 
     80 }  // namespace android
     81 
     82 #endif  // HTTP_LIVE_SOURCE_H_
     83