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 A_RTP_WRITER_H_
18
19#define A_RTP_WRITER_H_
20
21#include <media/stagefright/foundation/ABase.h>
22#include <media/stagefright/foundation/AHandlerReflector.h>
23#include <media/stagefright/foundation/AString.h>
24#include <media/stagefright/foundation/base64.h>
25#include <media/stagefright/MediaWriter.h>
26
27#include <arpa/inet.h>
28#include <sys/socket.h>
29
30#define LOG_TO_FILES    0
31
32namespace android {
33
34struct ABuffer;
35struct MediaBuffer;
36
37struct ARTPWriter : public MediaWriter {
38    ARTPWriter(int fd);
39
40    virtual status_t addSource(const sp<MediaSource> &source);
41    virtual bool reachedEOS();
42    virtual status_t start(MetaData *params);
43    virtual status_t stop();
44    virtual status_t pause();
45
46    virtual void onMessageReceived(const sp<AMessage> &msg);
47
48protected:
49    virtual ~ARTPWriter();
50
51private:
52    enum {
53        kWhatStart  = 'strt',
54        kWhatStop   = 'stop',
55        kWhatRead   = 'read',
56        kWhatSendSR = 'sr  ',
57    };
58
59    enum {
60        kFlagStarted  = 1,
61        kFlagEOS      = 2,
62    };
63
64    Mutex mLock;
65    Condition mCondition;
66    uint32_t mFlags;
67
68    int mFd;
69
70#if LOG_TO_FILES
71    int mRTPFd;
72    int mRTCPFd;
73#endif
74
75    sp<MediaSource> mSource;
76    sp<ALooper> mLooper;
77    sp<AHandlerReflector<ARTPWriter> > mReflector;
78
79    int mSocket;
80    struct sockaddr_in mRTPAddr;
81    struct sockaddr_in mRTCPAddr;
82
83    AString mProfileLevel;
84    AString mSeqParamSet;
85    AString mPicParamSet;
86
87    uint32_t mSourceID;
88    uint32_t mSeqNo;
89    uint32_t mRTPTimeBase;
90    uint32_t mNumRTPSent;
91    uint32_t mNumRTPOctetsSent;
92    uint32_t mLastRTPTime;
93    uint64_t mLastNTPTime;
94
95    int32_t mNumSRsSent;
96
97    enum {
98        INVALID,
99        H264,
100        H263,
101        AMR_NB,
102        AMR_WB,
103    } mMode;
104
105    static uint64_t GetNowNTP();
106
107    void onRead(const sp<AMessage> &msg);
108    void onSendSR(const sp<AMessage> &msg);
109
110    void addSR(const sp<ABuffer> &buffer);
111    void addSDES(const sp<ABuffer> &buffer);
112
113    void makeH264SPropParamSets(MediaBuffer *buffer);
114    void dumpSessionDesc();
115
116    void sendBye();
117    void sendAVCData(MediaBuffer *mediaBuf);
118    void sendH263Data(MediaBuffer *mediaBuf);
119    void sendAMRData(MediaBuffer *mediaBuf);
120
121    void send(const sp<ABuffer> &buffer, bool isRTCP);
122
123    DISALLOW_EVIL_CONSTRUCTORS(ARTPWriter);
124};
125
126}  // namespace android
127
128#endif  // A_RTP_WRITER_H_
129