1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/*
* Copyright 2012, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PLAYBACK_SESSION_H_
#define PLAYBACK_SESSION_H_
#include "Sender.h"
#include "WifiDisplaySource.h"
namespace android {
struct ABuffer;
struct BufferQueue;
struct IHDCP;
struct ISurfaceTexture;
struct MediaPuller;
struct MediaSource;
struct TSPacketizer;
// Encapsulates the state of an RTP/RTCP session in the context of wifi
// display.
struct WifiDisplaySource::PlaybackSession : public AHandler {
PlaybackSession(
const sp<ANetworkSession> &netSession,
const sp<AMessage> ¬ify,
const struct in_addr &interfaceAddr,
const sp<IHDCP> &hdcp);
status_t init(
const char *clientIP, int32_t clientRtp, int32_t clientRtcp,
Sender::TransportMode transportMode,
bool usePCMAudio);
void destroyAsync();
int32_t getRTPPort() const;
int64_t getLastLifesignUs() const;
void updateLiveness();
status_t play();
status_t finishPlay();
status_t pause();
sp<ISurfaceTexture> getSurfaceTexture();
int32_t width() const;
int32_t height() const;
void requestIDRFrame();
enum {
kWhatSessionDead,
kWhatBinaryData,
kWhatSessionEstablished,
kWhatSessionDestroyed,
};
protected:
virtual void onMessageReceived(const sp<AMessage> &msg);
virtual ~PlaybackSession();
private:
struct Track;
enum {
kWhatMediaPullerNotify,
kWhatConverterNotify,
kWhatTrackNotify,
kWhatSenderNotify,
kWhatUpdateSurface,
kWhatFinishPlay,
kWhatPacketize,
};
sp<ANetworkSession> mNetSession;
sp<Sender> mSender;
sp<ALooper> mSenderLooper;
sp<AMessage> mNotify;
in_addr mInterfaceAddr;
sp<IHDCP> mHDCP;
bool mWeAreDead;
int64_t mLastLifesignUs;
sp<TSPacketizer> mPacketizer;
sp<BufferQueue> mBufferQueue;
KeyedVector<size_t, sp<Track> > mTracks;
ssize_t mVideoTrackIndex;
int64_t mPrevTimeUs;
bool mAllTracksHavePacketizerIndex;
status_t setupPacketizer(bool usePCMAudio);
status_t addSource(
bool isVideo,
const sp<MediaSource> &source,
bool isRepeaterSource,
bool usePCMAudio,
size_t *numInputBuffers);
status_t addVideoSource();
status_t addAudioSource(bool usePCMAudio);
ssize_t appendTSData(
const void *data, size_t size, bool timeDiscontinuity, bool flush);
status_t onFinishPlay();
status_t onFinishPlay2();
bool allTracksHavePacketizerIndex();
status_t packetizeAccessUnit(
size_t trackIndex, const sp<ABuffer> &accessUnit,
sp<ABuffer> *packets);
status_t packetizeQueuedAccessUnits();
void notifySessionDead();
void drainAccessUnits();
// Returns true iff an access unit was successfully drained.
bool drainAccessUnit();
DISALLOW_EVIL_CONSTRUCTORS(PlaybackSession);
};
} // namespace android
#endif // PLAYBACK_SESSION_H_
|
