1 /* |
|
2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the License "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Packet sink where real one player gets media stream.* |
|
15 */ |
|
16 |
|
17 |
|
18 |
|
19 |
|
20 #ifndef CCRRTSPSINK_H |
|
21 #define CCRRTSPSINK_H |
|
22 |
|
23 // INCLUDES |
|
24 #include "CCRSock.h" |
|
25 #include "CCRRtspCommand.h" |
|
26 #include "CCRRtspResponse.h" |
|
27 #include "CCRPacketBuffer.h" |
|
28 #include "CCRStreamingSession.h" |
|
29 #include "CCRPacketSinkBase.h" |
|
30 #include <e32base.h> |
|
31 |
|
32 // CONSTANTS |
|
33 // None. |
|
34 |
|
35 // MACROS |
|
36 // None |
|
37 |
|
38 // DATA TYPES |
|
39 // None |
|
40 |
|
41 // FORWARD DECLARATIONS |
|
42 class CDvrSdpParser; |
|
43 class CCRConnection; |
|
44 class RSocketServ; |
|
45 class CCRStreamingSession; |
|
46 |
|
47 // CLASS DECLARATION |
|
48 /** |
|
49 * Packet sink that forwards stream to rop plugin via rtsp. |
|
50 * Implements rtsp server. |
|
51 * |
|
52 * @lib CommonRecordingEngine.lib |
|
53 * @since Series 60 3.0 |
|
54 */ |
|
55 class CCRRtspSink : public CCRPacketSinkBase, |
|
56 public MCRSockObserver |
|
57 { |
|
58 |
|
59 public: |
|
60 |
|
61 /** |
|
62 * Enum for 5 socket to use to play to rop plugin. |
|
63 */ |
|
64 enum TCRROPSockId |
|
65 { |
|
66 EROPControl = 0, /**< control sock, rtsp in tcp spoken here */ |
|
67 EROPVideoSend1, /**< RTP video payload */ |
|
68 EROPVideoSend2, /**< RTCP video */ |
|
69 EROPAudioSend1, /**< RTP audio payload */ |
|
70 EROPAudioSend2, /**< RTCP audio */ |
|
71 EROPMaxSockets /**< Just max value, no real socket assigned for this */ |
|
72 }; |
|
73 |
|
74 public: // Constructors and destructors |
|
75 |
|
76 /** |
|
77 * Two-phased constructor. |
|
78 * @param aConnection a connection rerefrence. |
|
79 * @param aSockServer a socket server refrence. |
|
80 * @param aSinkId a id of this sink. |
|
81 * @param aOwningSession a reference to owning session. |
|
82 * @param aLoopbackPort a RTSP port for loopback socket. |
|
83 * @return CCRRtspSink pointer. |
|
84 */ |
|
85 static CCRRtspSink* NewL( CCRConnection& aConnection, |
|
86 RSocketServ& aSockServer, |
|
87 CCRStreamingSession::TCRSinkId aSinkId, |
|
88 const TInt& aLoopbackPort, |
|
89 CCRStreamingSession& aOwningSession ); |
|
90 |
|
91 /** |
|
92 * Destructor |
|
93 */ |
|
94 virtual ~CCRRtspSink(); |
|
95 |
|
96 private: // Methods from base classes |
|
97 |
|
98 /** |
|
99 * From CCRPacketSinkBase. |
|
100 * Connects the given buffer with this sink. |
|
101 * @since Series 60 3.0 |
|
102 * @param aBuffer is the buffer to connect with. |
|
103 * @return none. |
|
104 */ |
|
105 void SetBuffer( CCRPacketBuffer* aBuffer ); |
|
106 |
|
107 /** |
|
108 * From CCRPacketSinkBase. |
|
109 * Adds packet to the sink. |
|
110 * @since Series 60 3.0 |
|
111 * @return none. |
|
112 */ |
|
113 void NewPacketAvailable(); |
|
114 |
|
115 /** |
|
116 * From CCRPacketSinkBase. |
|
117 * Method for setting the sdp in use |
|
118 * @since Series 60 3.0 |
|
119 * @param aSdp is the new sdp |
|
120 * @return none |
|
121 */ |
|
122 void SetSdpL( const TDesC8& aSdp ); |
|
123 |
|
124 /** |
|
125 * From CCRPacketSinkBase. |
|
126 * Method for setting initial seq+ts _before_ the stream is played. |
|
127 * @since Series 60 3.0 |
|
128 * @param aAudioSeq is the initial rtp seq number for audio packets. |
|
129 * @param aAudioTS is the initial rtp timestamp number for audio packets. |
|
130 * @param aVideoSeq is the initial rtp seq number for video packets. |
|
131 * @param aVideoTS is the initial rtp timestamp number for video packets. |
|
132 * @return none. |
|
133 */ |
|
134 void SetSeqAndTS( TUint& aAudioSeq, |
|
135 TUint& aAudioTS, |
|
136 TUint& aVideoSeq, |
|
137 TUint& aVideoTS ); |
|
138 |
|
139 /** |
|
140 * From CCRPacketSinkBase. |
|
141 * method for setting play range before the stream is played. |
|
142 * @since Series 60 3.0 |
|
143 * @param aLower is where clip range begins, in seconds. |
|
144 * @param aUpper is where clip range ends, usually clip end, in seconds. |
|
145 * @return none. |
|
146 */ |
|
147 void SetRange( TReal aLower, |
|
148 TReal aUpper ); |
|
149 |
|
150 /** |
|
151 * From CCRPacketSinkBase. |
|
152 * Method that source uses to communicate its status. |
|
153 * @since Series 60 3.0 |
|
154 * @param aNewState is the new state of the source. |
|
155 * @return none. |
|
156 */ |
|
157 void StatusChanged( MCRPacketSource::TCRPacketSourceState aNewState ); |
|
158 |
|
159 /** |
|
160 * From MCRSockObserver. |
|
161 * This method is called after some data has been received from socket. |
|
162 * @since Series 60 3.0 |
|
163 * @param aData is descriptor containing the data received. |
|
164 * ownership of data is not passed via this call. |
|
165 * @return none. |
|
166 */ |
|
167 void DataReceived( TInt aSockId, const TDesC8 &aData ); |
|
168 |
|
169 /** |
|
170 * From MCRSockObserver. |
|
171 * This method is called after status of socket changes. |
|
172 * @param aSockId |
|
173 * @param aStatus is sock status. |
|
174 * @param aError |
|
175 * @return none. |
|
176 */ |
|
177 void SockStatusChange( TInt aSockId, |
|
178 CCRSock::TCRSockStatus aStatus, |
|
179 TInt aError ); |
|
180 |
|
181 public: // Constructors and destructors |
|
182 |
|
183 /** |
|
184 * By default default constructor is private |
|
185 * @param aConnection is the IAP representative that we need to use |
|
186 * @param aSockServer is the socketserver to use when opening socks |
|
187 * @param aSinkId that this class needs to use when reporting progress back to owner |
|
188 * @param aOwningSession is the streaming session that owns this instance |
|
189 */ |
|
190 CCRRtspSink( CCRConnection& aConnection, |
|
191 RSocketServ& aSockServer, |
|
192 CCRStreamingSession::TCRSinkId aSinkId, |
|
193 CCRStreamingSession& aOwningSession ); |
|
194 |
|
195 /** |
|
196 * second phase of 2-phased construction |
|
197 * @param aLoopbackPort a RTSP port for loopback socket. |
|
198 */ |
|
199 void ConstructL( const TInt& aLoopbackPort ); |
|
200 |
|
201 protected: // New methods |
|
202 |
|
203 /** |
|
204 * Method that produces sdp for rop plugin consumption. |
|
205 * Needs to have iSDP and parser. |
|
206 * @since Series 60 3.0 |
|
207 * @param none. |
|
208 * @return none. |
|
209 */ |
|
210 void ProduceSDPForRopL(); |
|
211 |
|
212 /** |
|
213 * Method for doing something with commands rop has sent to us |
|
214 * @since Series 60 3.0 |
|
215 * @param none. |
|
216 * @return none. |
|
217 */ |
|
218 void ProcessRtspCommandL(); |
|
219 |
|
220 /** |
|
221 * Method for doing something after rop has said something to use. |
|
222 * @since Series 60 3.0 |
|
223 * @param aLastCommand is the last command rop has sent |
|
224 * @return none. |
|
225 */ |
|
226 void ProduceRtspReplyL( CCRRtspCommand::TCommand aLastCommand ); |
|
227 |
|
228 /** |
|
229 * Method for replying to "options" command. |
|
230 * @since Series 60 3.0 |
|
231 * @param none. |
|
232 * @return none. |
|
233 */ |
|
234 void ReplyToOptionsL(); |
|
235 |
|
236 /** |
|
237 * Method for replying to "describe" command. |
|
238 * @since Series 60 3.0 |
|
239 * @param none. |
|
240 * @return none. |
|
241 */ |
|
242 void ReplyToDescribeL(); |
|
243 |
|
244 /** |
|
245 * Method for replying to "setup" command |
|
246 * @since Series 60 3.0 |
|
247 * @param none. |
|
248 * @return none. |
|
249 */ |
|
250 void ReplyToSetupL(); |
|
251 |
|
252 /** |
|
253 * Method for replying to "play" command, reply is sent to rop. |
|
254 * @since Series 60 3.0 |
|
255 * @param none. |
|
256 * @return none. |
|
257 */ |
|
258 void ReplyToPlayL(); |
|
259 |
|
260 /** |
|
261 * Method for replying to "pause" command. |
|
262 * @since Series 60 3.0 |
|
263 * @param symbian error code telling if pausing was ok. |
|
264 * @return none. |
|
265 */ |
|
266 void ReplyToPauseL( TInt aErrorCode ); |
|
267 |
|
268 /** |
|
269 * Method for replying to "teardown" command. |
|
270 * @since Series 60 3.0 |
|
271 * @param none. |
|
272 * @return none. |
|
273 */ |
|
274 void ReplyToTearDownL(); |
|
275 |
|
276 private: // New methods |
|
277 |
|
278 /** |
|
279 * Getter for socket sink id basing on stream. |
|
280 * @since Series 60 3.0 |
|
281 * @param aStreamId a stream id of packet. |
|
282 * @return a socket sink id. |
|
283 */ |
|
284 TCRROPSockId SocketFromStream( MCRPacketSource::TCRPacketStreamId aStreamId ); |
|
285 |
|
286 /** |
|
287 * Appends string to the buffer. |
|
288 * @since Series 60 3.0 |
|
289 * @param aBuffer a buffer where to add text. |
|
290 * @param aTxt a string to append. |
|
291 * @return none. |
|
292 */ |
|
293 void AppendL( HBufC8*& aBuffer, |
|
294 const TDesC8& aTxt ); |
|
295 |
|
296 /** |
|
297 * Appends integer value as text to the buffer. |
|
298 * @since Series 60 3.0 |
|
299 * @param aBuffer a buffer where to add text. |
|
300 * @param aNum a numerical value to append. |
|
301 * @return none. |
|
302 */ |
|
303 void AppendNumL( HBufC8*& aBuffer, |
|
304 const TInt aNum ); |
|
305 |
|
306 /** |
|
307 * Appends formatted text to the buffer. |
|
308 * @since Series 60 3.0 |
|
309 * @param aBuffer a buffer where to add text. |
|
310 * @param aFmt a format string to use. |
|
311 * @return none. |
|
312 */ |
|
313 void AppendFormatL( HBufC8*& aBuffer, |
|
314 TRefByValue<const TDesC8> aFmt, ... ); |
|
315 |
|
316 /** |
|
317 * Sends control data to the player. |
|
318 * @since Series 60 3.0 |
|
319 * @param none. |
|
320 * @return none. |
|
321 */ |
|
322 void SendControlData(); |
|
323 |
|
324 /** |
|
325 * This meyhod is called after received data from EROPControl socket. |
|
326 * @since Series 60 3.1 |
|
327 * @param aData is descriptor containing the data received. |
|
328 */ |
|
329 void HandleReceivedEROPControlL( const TDesC8& aData ); |
|
330 |
|
331 private: // Data |
|
332 |
|
333 /** |
|
334 * RConnection wrapper we use for sockets. no ownership. |
|
335 */ |
|
336 CCRConnection& iConnection; |
|
337 |
|
338 /** |
|
339 * Socket server we use for sockets. no ownership. |
|
340 */ |
|
341 RSocketServ& iSockServer; |
|
342 |
|
343 /** |
|
344 * When TBool in iPacketPendingInBuffer is ETrue it means that the buffer |
|
345 * in iBuffers having same array index. As said TBool has a packet |
|
346 * waiting to be sent to rop. |
|
347 */ |
|
348 TBool iPacketPendingInBuffer; |
|
349 |
|
350 /** |
|
351 * Have our own sdp parser for parsing the sdp. |
|
352 */ |
|
353 CDvrSdpParser* iSdpParser; |
|
354 |
|
355 /** |
|
356 * SDP to give to rop. |
|
357 */ |
|
358 HBufC8* iSdpForRop; |
|
359 |
|
360 /** |
|
361 * Sockets for speaking with rop. |
|
362 */ |
|
363 CCRSock* iSockArr[EROPMaxSockets]; |
|
364 |
|
365 /** |
|
366 * Stage in rtsp discussions with rop plugin. |
|
367 */ |
|
368 TCRRTSPStage iStage; |
|
369 |
|
370 /** |
|
371 * Stage for setup repply received. |
|
372 */ |
|
373 TInt iSetupReceived; |
|
374 |
|
375 /** |
|
376 * Pointer to data sent to us via socket from rop. |
|
377 */ |
|
378 HBufC8* iReceivedData; |
|
379 |
|
380 /** |
|
381 * Pointers to commands sent by rop in various stages. |
|
382 */ |
|
383 CCRRtspCommand *iCommands[CCRRtspCommand::ERTSPCommandNOCOMMAND]; |
|
384 |
|
385 /** |
|
386 * Pointer to string sent to rop. |
|
387 */ |
|
388 HBufC8* iRopResponse; |
|
389 |
|
390 /** |
|
391 * Audio seq to begin with. |
|
392 */ |
|
393 TUint32 iAudioSeq; |
|
394 |
|
395 /** |
|
396 * Audio TS to begin with. |
|
397 */ |
|
398 TUint32 iAudioTS; |
|
399 |
|
400 /** |
|
401 * Video seq to begin with. |
|
402 */ |
|
403 TUint32 iVideoSeq; |
|
404 |
|
405 /** |
|
406 * Video TS to begin with |
|
407 */ |
|
408 TUint32 iVideoTS; |
|
409 |
|
410 /** |
|
411 * TBool telling if above 4 things (seq+ts*2) has been seen. |
|
412 */ |
|
413 TBool iSeqAndTSSet; |
|
414 |
|
415 /** |
|
416 * Range begin pos in play command header. |
|
417 */ |
|
418 TReal iLowerRange; |
|
419 |
|
420 /** |
|
421 * Range end pos in play command header. |
|
422 */ |
|
423 TReal iUpperRange; |
|
424 |
|
425 }; |
|
426 |
|
427 #endif // CCRRTSPSINK_H |
|