HTTPLiveSource.h revision 404fced9bfa8fa423ee210a271ca051ffd1bec13 
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
24namespace android {
25
26struct LiveSession;
27
28struct 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 status_t selectTrack(size_t trackIndex, bool select);
46    virtual status_t seekTo(int64_t seekTimeUs);
47
48protected:
49    virtual ~HTTPLiveSource();
50
51    virtual void onMessageReceived(const sp<AMessage> &msg);
52
53private:
54    enum Flags {
55        // Don't log any URLs.
56        kFlagIncognito = 1,
57    };
58
59    enum {
60        kWhatSessionNotify,
61        kWhatFetchSubtitleData,
62    };
63
64    sp<IMediaHTTPService> mHTTPService;
65    AString mURL;
66    KeyedVector<String8, String8> mExtraHeaders;
67    uint32_t mFlags;
68    status_t mFinalResult;
69    off64_t mOffset;
70    sp<ALooper> mLiveLooper;
71    sp<LiveSession> mLiveSession;
72    int32_t mFetchSubtitleDataGeneration;
73
74    void onSessionNotify(const sp<AMessage> &msg);
75
76    DISALLOW_EVIL_CONSTRUCTORS(HTTPLiveSource);
77};
78
79}  // namespace android
80
81#endif  // HTTP_LIVE_SOURCE_H_
82