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 sp<IMediaHTTPService> &httpService,
32             const char *url,
33             const KeyedVector<String8, String8> *headers);
34 
35     virtual void prepareAsync();
36     virtual void start();
37 
38     virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
39     virtual sp<AMessage> getFormat(bool audio);
40 
41     virtual status_t feedMoreTSData();
42     virtual status_t getDuration(int64_t *durationUs);
43     virtual size_t getTrackCount() const;
44     virtual sp<AMessage> getTrackInfo(size_t trackIndex) const;
45     virtual ssize_t getSelectedTrack(media_track_type /* type */) const;
46     virtual status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs);
47     virtual status_t seekTo(int64_t seekTimeUs);
48 
49 protected:
50     virtual ~HTTPLiveSource();
51 
52     virtual void onMessageReceived(const sp<AMessage> &msg);
53 
54 private:
55     enum Flags {
56         // Don't log any URLs.
57         kFlagIncognito = 1,
58     };
59 
60     enum {
61         kWhatSessionNotify,
62         kWhatFetchSubtitleData,
63     };
64 
65     sp<IMediaHTTPService> mHTTPService;
66     AString mURL;
67     KeyedVector<String8, String8> mExtraHeaders;
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