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    virtual bool isSeekable();
50
51    void onMessageReceived(const sp<AMessage> &msg);
52
53protected:
54    virtual ~RTSPSource();
55
56    virtual sp<MetaData> getFormatMeta(bool audio);
57
58private:
59    enum {
60        kWhatNotify          = 'noti',
61        kWhatDisconnect      = 'disc',
62        kWhatPerformSeek     = 'seek',
63    };
64
65    enum State {
66        DISCONNECTED,
67        CONNECTING,
68        CONNECTED,
69        SEEKING,
70    };
71
72    enum Flags {
73        // Don't log any URLs.
74        kFlagIncognito = 1,
75    };
76
77    struct TrackInfo {
78        sp<AnotherPacketSource> mSource;
79
80        int32_t mTimeScale;
81        uint32_t mRTPTime;
82        int64_t mNormalPlaytimeUs;
83        bool mNPTMappingValid;
84    };
85
86    AString mURL;
87    KeyedVector<String8, String8> mExtraHeaders;
88    bool mUIDValid;
89    uid_t mUID;
90    uint32_t mFlags;
91    State mState;
92    status_t mFinalResult;
93    uint32_t mDisconnectReplyID;
94    bool mStartingUp;
95
96    sp<ALooper> mLooper;
97    sp<AHandlerReflector<RTSPSource> > mReflector;
98    sp<MyHandler> mHandler;
99
100    Vector<TrackInfo> mTracks;
101    sp<AnotherPacketSource> mAudioTrack;
102    sp<AnotherPacketSource> mVideoTrack;
103
104    sp<ATSParser> mTSParser;
105
106    int32_t mSeekGeneration;
107
108    sp<AnotherPacketSource> getSource(bool audio);
109
110    void onConnected();
111    void onDisconnected(const sp<AMessage> &msg);
112    void finishDisconnectIfPossible();
113
114    void performSeek(int64_t seekTimeUs);
115
116    bool haveSufficientDataOnAllTracks();
117
118    DISALLOW_EVIL_CONSTRUCTORS(RTSPSource);
119};
120
121}  // namespace android
122
123#endif  // RTSP_SOURCE_H_
124