RTSPSource.h revision b7c8e91880463ff4981e3e53e98e45d68e2fe374 
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 RTSP_SOURCE_H_
18
19#define RTSP_SOURCE_H_
20
21#include "NuPlayerSource.h"
22
23#include "ATSParser.h"
24
25#include <media/stagefright/foundation/AHandlerReflector.h>
26
27namespace android {
28
29struct ALooper;
30struct AnotherPacketSource;
31struct MyHandler;
32
33struct NuPlayer::RTSPSource : public NuPlayer::Source {
34    RTSPSource(
35            const char *url,
36            const KeyedVector<String8, String8> *headers,
37            bool uidValid = false,
38            uid_t uid = 0);
39
40    virtual void start();
41    virtual void stop();
42
43    virtual status_t feedMoreTSData();
44
45    virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
46
47    virtual status_t getDuration(int64_t *durationUs);
48    virtual status_t seekTo(int64_t seekTimeUs);
49
50    virtual uint32_t flags() const;
51
52    void onMessageReceived(const sp<AMessage> &msg);
53
54protected:
55    virtual ~RTSPSource();
56
57    virtual sp<MetaData> getFormatMeta(bool audio);
58
59private:
60    enum {
61        kWhatNotify          = 'noti',
62        kWhatDisconnect      = 'disc',
63        kWhatPerformSeek     = 'seek',
64    };
65
66    enum State {
67        DISCONNECTED,
68        CONNECTING,
69        CONNECTED,
70        SEEKING,
71    };
72
73    enum Flags {
74        // Don't log any URLs.
75        kFlagIncognito = 1,
76    };
77
78    struct TrackInfo {
79        sp<AnotherPacketSource> mSource;
80
81        int32_t mTimeScale;
82        uint32_t mRTPTime;
83        int64_t mNormalPlaytimeUs;
84        bool mNPTMappingValid;
85    };
86
87    AString mURL;
88    KeyedVector<String8, String8> mExtraHeaders;
89    bool mUIDValid;
90    uid_t mUID;
91    uint32_t mFlags;
92    State mState;
93    status_t mFinalResult;
94    uint32_t mDisconnectReplyID;
95    bool mStartingUp;
96
97    sp<ALooper> mLooper;
98    sp<AHandlerReflector<RTSPSource> > mReflector;
99    sp<MyHandler> mHandler;
100
101    Vector<TrackInfo> mTracks;
102    sp<AnotherPacketSource> mAudioTrack;
103    sp<AnotherPacketSource> mVideoTrack;
104
105    sp<ATSParser> mTSParser;
106
107    int32_t mSeekGeneration;
108
109    sp<AnotherPacketSource> getSource(bool audio);
110
111    void onConnected();
112    void onDisconnected(const sp<AMessage> &msg);
113    void finishDisconnectIfPossible();
114
115    void performSeek(int64_t seekTimeUs);
116
117    bool haveSufficientDataOnAllTracks();
118
119    DISALLOW_EVIL_CONSTRUCTORS(RTSPSource);
120};
121
122}  // namespace android
123
124#endif  // RTSP_SOURCE_H_
125