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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
#include "ourinterface.h"
OurInterface::OurInterface(QObject *parent) :
QObject(parent)
{
channel = NULL;
savedGeometry.setX(0);
savedGeometry.setY(0);
savedGeometry.setWidth(0);
savedGeometry.setHeight(0);
stream_id = 101;
demuxMedia = 0;
//elapsedTime = 0;
}
int OurInterface::oneTimeInit()
{
/* connect to remote client */
if (openVirtualChannel())
return -1;
/* register all formats/codecs */
av_register_all();
return 0;
}
void OurInterface::oneTimeDeinit()
{
/* clean up resources */
closeVirtualChannel();
}
void OurInterface::initRemoteClient()
{
int64_t start_time;
int64_t duration;
//elapsedTime = 0;
if (sendMetadataFile())
return;
if (sendVideoFormat())
return;
if (sendAudioFormat())
return;
if (sendGeometry(savedGeometry))
return;
xrdpvr_play_media(channel, 101, filename.toAscii().data());
xrdpvr_get_media_duration(&start_time, &duration);
//qDebug() << "ourInterface:initRemoteClient: emit onMediaDurationInSecs: dur=" << duration;
emit onMediaDurationInSeconds(duration);
/* LK_TODO this needs to be undone in deinitRemoteClient() */
if (!demuxMedia)
{
demuxMedia = new DemuxMedia(NULL, &audioQueue, &videoQueue, channel, stream_id);
demuxMediaThread = new QThread(this);
connect(demuxMediaThread, SIGNAL(started()), demuxMedia, SLOT(startDemuxing()));
demuxMedia->moveToThread(demuxMediaThread);
playVideo = demuxMedia->getPlayVideoInstance();
}
}
void OurInterface::deInitRemoteClient()
{
/* perform clean up */
xrdpvr_deinit_player(channel, 101);
}
/**
* @brief Open a virtual connection to remote client
*
* @return 0 on success, -1 on failure
******************************************************************************/
int OurInterface::openVirtualChannel()
{
/* is channel already open? */
if (channel)
return -1;
/* open a virtual channel and connect to remote client */
channel = WTSVirtualChannelOpenEx(WTS_CURRENT_SESSION, "xrdpvr", 0);
if (channel == NULL)
{
emit on_ErrorMsg("Connection failure",
"Error connecting to remote client. Application will close now");
return -1;
}
return 0;
}
int OurInterface::closeVirtualChannel()
{
/* channel must be opened first */
if (!channel)
return -1;
WTSVirtualChannelClose(channel);
return 0;
}
/**
* @brief this is a temp hack while we figure out how to set up the right
* context for avcodec_decode_video2() on the server side; the workaround
* is to send the first 1MB of the media file to the server end which
* reads this file and sets up its context
*
* @return 0 on success, -1 on failure
******************************************************************************/
int OurInterface::sendMetadataFile()
{
if (xrdpvr_create_metadata_file(channel, filename.toAscii().data()))
{
emit on_ErrorMsg("I/O Error",
"An error occurred while sending data to remote client");
return -1;
}
return 0;
}
int OurInterface::sendVideoFormat()
{
if (xrdpvr_set_video_format(channel, stream_id))
{
emit on_ErrorMsg("I/O Error",
"Error sending video format to remote client");
return -1;
}
return 0;
}
int OurInterface::sendAudioFormat()
{
if (xrdpvr_set_audio_format(channel, stream_id))
{
emit on_ErrorMsg("I/O Error",
"Error sending audio format to remote client");
return -1;
}
return 0;
}
int OurInterface::sendGeometry(QRect rect)
{
int rv;
savedGeometry.setX(rect.x());
savedGeometry.setY(rect.y());
savedGeometry.setWidth(rect.width());
savedGeometry.setHeight(rect.height());
rv = xrdpvr_set_geometry(channel, stream_id, savedGeometry.x(),
savedGeometry.y(), savedGeometry.width(),
savedGeometry.height());
if (rv)
{
emit on_ErrorMsg("I/O Error",
"Error sending screen geometry to remote client");
return -1;
}
return 0;
}
void OurInterface::onGeometryChanged(int x, int y, int width, int height)
{
savedGeometry.setX(x);
savedGeometry.setY(y);
savedGeometry.setWidth(width);
savedGeometry.setHeight(height);
#if 0
qDebug() << "OurInterface:signal" <<
"" << savedGeometry.x() <<
"" << savedGeometry.y() <<
"" << savedGeometry.width() <<
"" << savedGeometry.height();
#endif
if (channel)
{
xrdpvr_set_geometry(channel, 101, savedGeometry.x(), savedGeometry.y(),
savedGeometry.width(), savedGeometry.height());
}
}
void OurInterface::setFilename(QString filename)
{
this->filename = filename;
}
void OurInterface::playMedia()
{
demuxMediaThread->start();
}
PlayVideo * OurInterface::getPlayVideoInstance()
{
return this->playVideo;
}
void OurInterface::setVcrOp(int op)
{
if (demuxMedia)
demuxMedia->setVcrOp(op);
}
int OurInterface::setVolume(int volume)
{
printf("OurInterface::setVolume\n");
if (xrdpvr_set_volume(channel, volume))
{
emit on_ErrorMsg("I/O Error",
"Error sending volume to remote client");
return -1;
}
return 0;
}
|
