|
1 /* |
|
2 * Copyright (c) 2006 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 "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: |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 // INCLUDE FILES |
|
22 #include <mmf/server/mmfdatasink.h> |
|
23 #include <mmf/server/mmfbuffer.h> |
|
24 #include "rtpheader.h" |
|
25 #include "mccsinkitem.h" |
|
26 #include "formatstatemachine.h" |
|
27 #include "mccmultiplexerlogs.h" |
|
28 #include "mccinternaldef.h" |
|
29 #include "mccinternalevents.h" |
|
30 #include "mccuids.hrh" |
|
31 |
|
32 // MACROS |
|
33 |
|
34 #define MCC_PAYLOAD_READ( a ) static_cast<CPayloadFormatRead*>( a ) |
|
35 |
|
36 // LOCAL FUNCTION PROTOTYPES |
|
37 |
|
38 // LOCAL CONSTANTS |
|
39 |
|
40 const TInt KMccBadDataCount = 20; |
|
41 |
|
42 const TInt KMccMaxStoredBuffers = 10; |
|
43 |
|
44 // ============================= LOCAL FUNCTIONS =============================== |
|
45 |
|
46 // ============================ MEMBER FUNCTIONS =============================== |
|
47 |
|
48 // ----------------------------------------------------------------------------- |
|
49 // CMccSinkItem::NewLC |
|
50 // ----------------------------------------------------------------------------- |
|
51 // |
|
52 CMccSinkItem* CMccSinkItem::NewLC( |
|
53 MDataSink* aSink, |
|
54 TBool aSinkIsDecoder, |
|
55 TUid aMediaType, |
|
56 TBool aPassAllBuffersSink ) |
|
57 { |
|
58 CMccSinkItem* self = |
|
59 new ( ELeave ) CMccSinkItem( aMediaType, aPassAllBuffersSink ); |
|
60 CleanupStack::PushL( self ); |
|
61 self->ConstructL( aSink, aSinkIsDecoder ); |
|
62 return self; |
|
63 } |
|
64 |
|
65 // ----------------------------------------------------------------------------- |
|
66 // CMccSinkItem::~CMccSinkItem |
|
67 // ----------------------------------------------------------------------------- |
|
68 // |
|
69 CMccSinkItem::~CMccSinkItem() |
|
70 { |
|
71 iStoredBuffers.ResetAndDestroy(); |
|
72 iPayloadsToAccept.Close(); |
|
73 } |
|
74 |
|
75 // ----------------------------------------------------------------------------- |
|
76 // CMccSinkItem::BufferFilledL |
|
77 // ----------------------------------------------------------------------------- |
|
78 // |
|
79 void CMccSinkItem::BufferFilledL( |
|
80 CMMFBuffer* aBuffer, |
|
81 const TRtpRecvHeader* aHeaderInfo, |
|
82 TBool aPrimary, |
|
83 TUid aMediaType ) |
|
84 { |
|
85 __MULTIPLEXER_INT1( "CMccSinkItem::BufferFilledL, sinkitem:", |
|
86 reinterpret_cast<TUint32>( this ) ) |
|
87 |
|
88 CMMFBuffer* completedBuffer = NULL; |
|
89 |
|
90 CMMFDataBuffer* dataBuffer = static_cast<CMMFDataBuffer*>( aBuffer ); |
|
91 |
|
92 if ( aMediaType != KNullUid && MediaType() != aMediaType ) |
|
93 { |
|
94 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, wrong media type" ) |
|
95 return; |
|
96 } |
|
97 |
|
98 if ( HandleBadDataL( dataBuffer ) ) |
|
99 { |
|
100 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, stopping buffer forwarding" ) |
|
101 return; |
|
102 } |
|
103 |
|
104 if ( aHeaderInfo |
|
105 && ( KErrNotFound != iPayloadsToAccept.Find( aHeaderInfo->iPayloadType ) ) ) |
|
106 { |
|
107 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, payload type demultiplexing" ) |
|
108 |
|
109 if ( iRequestedBuffer ) |
|
110 { |
|
111 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, fillbuffer request exists" ) |
|
112 |
|
113 CopyBufferL( iRequestedBuffer, aBuffer ); |
|
114 completedBuffer = iRequestedBuffer; |
|
115 iRequestedBuffer = NULL; |
|
116 } |
|
117 } |
|
118 else if ( iPassAllBuffersSink ) |
|
119 { |
|
120 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, in passall buffers mode" ) |
|
121 |
|
122 // Do not zero the request, sink will eat all buffers |
|
123 // once it has requested for one |
|
124 if ( iRequestedBuffer ) |
|
125 { |
|
126 completedBuffer = aBuffer; |
|
127 } |
|
128 } |
|
129 else if ( iPassAllRequestsSource ) |
|
130 { |
|
131 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, in passall requests mode" ) |
|
132 |
|
133 // If in passall mode, buffer received from source must match with the |
|
134 // one the sink gave when requesting the buffer fill |
|
135 if ( iRequestedBuffer && |
|
136 iRequestedBuffer == aBuffer ) |
|
137 { |
|
138 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, existing fillbuffer request" ) |
|
139 |
|
140 completedBuffer = aBuffer; |
|
141 iRequestedBuffer = NULL; |
|
142 } |
|
143 } |
|
144 else if ( iRequestedBuffer && aPrimary ) |
|
145 { |
|
146 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, existing fillbuffer request for primary" ) |
|
147 |
|
148 completedBuffer = aBuffer; |
|
149 iRequestedBuffer = NULL; |
|
150 } |
|
151 else |
|
152 { |
|
153 if ( iRequestedBuffer ) |
|
154 { |
|
155 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, existing fillbuffer request" ) |
|
156 |
|
157 // If secondary sink has already requested buffer fill, the request |
|
158 // can be completed immediately |
|
159 CopyBufferL( iRequestedBuffer, aBuffer ); |
|
160 completedBuffer = iRequestedBuffer; |
|
161 iRequestedBuffer = NULL; |
|
162 } |
|
163 else |
|
164 { |
|
165 // Otherwise the buffer has to be "stored" |
|
166 StoreBufferL( aBuffer ); |
|
167 } |
|
168 } |
|
169 |
|
170 if ( completedBuffer ) |
|
171 { |
|
172 if ( iDecoder && aHeaderInfo ) |
|
173 { |
|
174 iDecoder->DataBufferFilledL( completedBuffer, *aHeaderInfo ); |
|
175 } |
|
176 else |
|
177 { |
|
178 Sink()->BufferFilledL( completedBuffer ); |
|
179 } |
|
180 } |
|
181 |
|
182 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, exit" ) |
|
183 } |
|
184 |
|
185 // ----------------------------------------------------------------------------- |
|
186 // CMccSinkItem::FillBufferRequestL |
|
187 // ----------------------------------------------------------------------------- |
|
188 // |
|
189 void CMccSinkItem::FillBufferRequestL( CMMFBuffer* aBuffer ) |
|
190 { |
|
191 __MULTIPLEXER_INT1( "CMccSinkItem::FillBufferRequestL, sinkitem:", |
|
192 reinterpret_cast<TUint32>( this ) ) |
|
193 |
|
194 CMMFBuffer* storedBuffer = GetStoredBuffer(); |
|
195 if ( storedBuffer ) |
|
196 { |
|
197 __MULTIPLEXER( "CMccSinkItem::FillBufferRequestL, stored buffer exists" ) |
|
198 |
|
199 CleanupStack::PushL( storedBuffer ); |
|
200 CopyBufferL( aBuffer, storedBuffer ); |
|
201 CleanupStack::PopAndDestroy( storedBuffer ); |
|
202 |
|
203 Sink()->BufferFilledL( aBuffer ); |
|
204 } |
|
205 else |
|
206 { |
|
207 __MULTIPLEXER( "CMccSinkItem::FillBufferRequestL, store fillbuffer request" ) |
|
208 |
|
209 iRequestedBuffer = aBuffer; |
|
210 } |
|
211 |
|
212 __MULTIPLEXER( "CMccSinkItem::FillBufferRequestL, exit" ) |
|
213 } |
|
214 |
|
215 // ----------------------------------------------------------------------------- |
|
216 // CMccSinkItem::Match |
|
217 // ----------------------------------------------------------------------------- |
|
218 // |
|
219 TBool CMccSinkItem::Match( MDataSink* aSink ) |
|
220 { |
|
221 return ( Sink() == aSink ); |
|
222 } |
|
223 |
|
224 // ----------------------------------------------------------------------------- |
|
225 // CMccSinkItem::SourceThreadLogon |
|
226 // ----------------------------------------------------------------------------- |
|
227 // |
|
228 TInt CMccSinkItem::SourceThreadLogon( MAsyncEventHandler& aEventHandler ) |
|
229 { |
|
230 iEventHandler = &aEventHandler; |
|
231 return KErrNone; |
|
232 } |
|
233 |
|
234 // ----------------------------------------------------------------------------- |
|
235 // CMccSinkItem::SendEventToClient |
|
236 // ----------------------------------------------------------------------------- |
|
237 // |
|
238 TInt CMccSinkItem::SendEventToClient( const TMMFEvent& aEvent ) |
|
239 { |
|
240 __MULTIPLEXER( "CMccSinkItem::SendEventToClient" ) |
|
241 |
|
242 // Filter duplicate stream state change events. Errors are always reported. |
|
243 // Check also whether the event is targeted for specific payload type. |
|
244 // |
|
245 |
|
246 TInt ret( KErrNotReady ); |
|
247 TBool sendEvent( ETrue ); |
|
248 |
|
249 if ( IS_MCC_EVENT( aEvent ) ) |
|
250 { |
|
251 TMccEvent* mccEventPtr = |
|
252 reinterpret_cast<const TMccInternalEvent&>( aEvent ).iMccEvent; |
|
253 |
|
254 if ( mccEventPtr && MCC_STREAM_STATE_CHANGE_EVENT( mccEventPtr ) && |
|
255 !mccEventPtr->iErrorCode ) |
|
256 { |
|
257 sendEvent = HandleStreamStateChangeEvent( *mccEventPtr ); |
|
258 ret = KErrNone; |
|
259 } |
|
260 else if ( mccEventPtr && |
|
261 mccEventPtr->iEventNumData == KMccPayloadSpecificEvent && |
|
262 mccEventPtr->iReserved != KMccPTNotDefined ) |
|
263 { |
|
264 __MULTIPLEXER_INT1( "CMccSinkItem::SendEventToClient, event for payload type:", |
|
265 mccEventPtr->iReserved ) |
|
266 |
|
267 sendEvent = |
|
268 ( iPayloadsToAccept.Find( mccEventPtr->iReserved ) != KErrNotFound ); |
|
269 } |
|
270 else |
|
271 { |
|
272 // NOP |
|
273 } |
|
274 } |
|
275 |
|
276 if ( iEventHandler && sendEvent ) |
|
277 { |
|
278 ret = iEventHandler->SendEventToClient( aEvent ); |
|
279 } |
|
280 else |
|
281 { |
|
282 __MULTIPLEXER( "CMccSinkItem::SendEventToClient, dropping event" ) |
|
283 } |
|
284 return ret; |
|
285 } |
|
286 |
|
287 // ----------------------------------------------------------------------------- |
|
288 // CMccSinkItem::MediaType |
|
289 // ----------------------------------------------------------------------------- |
|
290 // |
|
291 TUid CMccSinkItem::MediaType() const |
|
292 { |
|
293 return iMediaType; |
|
294 } |
|
295 |
|
296 // ----------------------------------------------------------------------------- |
|
297 // CMccSinkItem::RegisterPayloadTypesL |
|
298 // ----------------------------------------------------------------------------- |
|
299 // |
|
300 void CMccSinkItem::RegisterPayloadTypesL( const RArray<TUint>& aPayloadTypes ) |
|
301 { |
|
302 __MULTIPLEXER( "CMccSinkItem::RegisterPayloadTypesL" ) |
|
303 |
|
304 TInt ind = aPayloadTypes.Count(); |
|
305 while ( ind-- ) |
|
306 { |
|
307 if ( KErrNotFound == iPayloadsToAccept.Find( aPayloadTypes[ind]) ) |
|
308 { |
|
309 iPayloadsToAccept.AppendL( aPayloadTypes[ind] ); |
|
310 } |
|
311 else |
|
312 { |
|
313 User::Leave( KErrAlreadyExists ); |
|
314 } |
|
315 } |
|
316 } |
|
317 |
|
318 // ----------------------------------------------------------------------------- |
|
319 // CMccSinkItem::RegisteredPayloadTypes |
|
320 // ----------------------------------------------------------------------------- |
|
321 // |
|
322 const RArray<TUint>& CMccSinkItem::RegisteredPayloadTypes() const |
|
323 { |
|
324 return iPayloadsToAccept; |
|
325 } |
|
326 |
|
327 // ----------------------------------------------------------------------------- |
|
328 // CMccSinkItem::RequestedBuffer |
|
329 // ----------------------------------------------------------------------------- |
|
330 // |
|
331 CMMFBuffer* CMccSinkItem::RequestedBuffer() |
|
332 { |
|
333 return iRequestedBuffer; |
|
334 } |
|
335 |
|
336 // ----------------------------------------------------------------------------- |
|
337 // CMccSinkItem::EventHandler |
|
338 // ----------------------------------------------------------------------------- |
|
339 // |
|
340 MAsyncEventHandler* CMccSinkItem::EventHandler() |
|
341 { |
|
342 return iEventHandler; |
|
343 } |
|
344 |
|
345 // ----------------------------------------------------------------------------- |
|
346 // CMccSinkItem::SetMultiplexerState |
|
347 // ----------------------------------------------------------------------------- |
|
348 // |
|
349 void CMccSinkItem::SetMultiplexerState( CMccMultiplexer::TMccMultiplexerState aState ) |
|
350 { |
|
351 __MULTIPLEXER_INT2( "CMccSinkItem::SetMultiplexerState, sinkitem:", |
|
352 reinterpret_cast<TUint32>( this ), |
|
353 " state:", aState ) |
|
354 iState = aState; |
|
355 } |
|
356 |
|
357 // ----------------------------------------------------------------------------- |
|
358 // CMccSinkItem::MultiplexerState |
|
359 // ----------------------------------------------------------------------------- |
|
360 // |
|
361 CMccMultiplexer::TMccMultiplexerState CMccSinkItem::MultiplexerState() const |
|
362 { |
|
363 return iState; |
|
364 } |
|
365 |
|
366 // ----------------------------------------------------------------------------- |
|
367 // CMccSinkItem::SetSourceMode |
|
368 // ----------------------------------------------------------------------------- |
|
369 // |
|
370 void CMccSinkItem::SetSourceMode( TBool aPassAllRequestsSource ) |
|
371 { |
|
372 __MULTIPLEXER_INT1( "CMccSinkItem::SetSourceMode, sinkitem:", |
|
373 reinterpret_cast<TUint32>( this ) ) |
|
374 __MULTIPLEXER_INT1( "CMccSinkItem::SetSourceMode, mediatype:", |
|
375 iMediaType.iUid ) |
|
376 __MULTIPLEXER_INT1( "CMccSinkItem::SetSourceMode, mode:", |
|
377 aPassAllRequestsSource ) |
|
378 |
|
379 iPassAllRequestsSource = aPassAllRequestsSource; |
|
380 } |
|
381 |
|
382 // ----------------------------------------------------------------------------- |
|
383 // CMccSinkItem::PassAllRequestsToSource |
|
384 // ----------------------------------------------------------------------------- |
|
385 // |
|
386 TBool CMccSinkItem::PassAllRequestsToSource() const |
|
387 { |
|
388 return iPassAllRequestsSource; |
|
389 } |
|
390 |
|
391 // ----------------------------------------------------------------------------- |
|
392 // CMccSinkItem::CMccSinkItem |
|
393 // ----------------------------------------------------------------------------- |
|
394 // |
|
395 TUid CMccSinkItem::ResolveMediaType( CMMFBuffer* aBuffer ) const |
|
396 { |
|
397 if ( aBuffer && iPassAllRequestsSource && iRequestedBuffer == aBuffer ) |
|
398 { |
|
399 return MediaType(); |
|
400 } |
|
401 return KNullUid; |
|
402 } |
|
403 |
|
404 // ----------------------------------------------------------------------------- |
|
405 // CMccSinkItem::CMccSinkItem |
|
406 // ----------------------------------------------------------------------------- |
|
407 // |
|
408 CMccSinkItem::CMccSinkItem( TUid aMediaType, TBool aPassAllBuffersSink ) : |
|
409 iMediaType( aMediaType ), |
|
410 iPassAllBuffersSink( aPassAllBuffersSink ), |
|
411 iReportedEvent( KMccEventNone ), iBadDataCount( 0 ) |
|
412 { |
|
413 } |
|
414 |
|
415 // ----------------------------------------------------------------------------- |
|
416 // CMccSinkItem::Sink |
|
417 // ----------------------------------------------------------------------------- |
|
418 // |
|
419 void CMccSinkItem::ConstructL( MDataSink* aSink, TBool aSinkIsDecoder ) |
|
420 { |
|
421 __MULTIPLEXER( "CMccSinkItem::ConstructL" ) |
|
422 |
|
423 __ASSERT_ALWAYS( aSink, User::Leave( KErrArgument ) ); |
|
424 |
|
425 if ( aSinkIsDecoder ) |
|
426 { |
|
427 __MULTIPLEXER( "CMccSinkItem::ConstructL, sink is decoder" ) |
|
428 |
|
429 CMMFFormatDecode* decoder = static_cast<CMMFFormatDecode*>( aSink ); |
|
430 |
|
431 iDecoder = MCC_PAYLOAD_READ( decoder ); |
|
432 } |
|
433 else |
|
434 { |
|
435 iSink = aSink; |
|
436 } |
|
437 |
|
438 __MULTIPLEXER( "CMccSinkItem::ConstructL, exit" ) |
|
439 } |
|
440 |
|
441 // ----------------------------------------------------------------------------- |
|
442 // CMccSinkItem::Sink |
|
443 // ----------------------------------------------------------------------------- |
|
444 // |
|
445 MDataSink* CMccSinkItem::Sink() |
|
446 { |
|
447 if ( iDecoder ) |
|
448 { |
|
449 return iDecoder; |
|
450 } |
|
451 |
|
452 return iSink; |
|
453 } |
|
454 |
|
455 // --------------------------------------------------------------------------- |
|
456 // CMccSinkItem::CopyBufferL |
|
457 // --------------------------------------------------------------------------- |
|
458 // |
|
459 void CMccSinkItem::CopyBufferL( |
|
460 CMMFBuffer* aDesBuffer, |
|
461 CMMFBuffer* aOrigBuffer ) |
|
462 { |
|
463 __ASSERT_ALWAYS( aDesBuffer && aOrigBuffer, User::Leave( KErrArgument ) ); |
|
464 |
|
465 // Copy buffer setting |
|
466 aDesBuffer->SetFrameNumber( aOrigBuffer->FrameNumber() ); |
|
467 aDesBuffer->SetLastBuffer( aOrigBuffer->LastBuffer() ); |
|
468 aDesBuffer->SetPosition( aOrigBuffer->Position() ); |
|
469 // Note: setting the status to available clears the buffer data |
|
470 aDesBuffer->SetStatus( aOrigBuffer->Status() ); |
|
471 aDesBuffer->SetTimeToPlay( aOrigBuffer->TimeToPlay() ); |
|
472 |
|
473 // Copy buffer data |
|
474 CMMFDataBuffer* desBuffer = static_cast<CMMFDataBuffer*>( aDesBuffer ); |
|
475 CMMFDataBuffer* origBuffer = static_cast<CMMFDataBuffer*>( aOrigBuffer ); |
|
476 |
|
477 __ASSERT_ALWAYS( desBuffer->Data().MaxLength() >= (TInt) origBuffer->BufferSize(), |
|
478 User::Leave( KErrOverflow ) ); |
|
479 |
|
480 desBuffer->Data().Copy( origBuffer->Data() ); |
|
481 } |
|
482 |
|
483 // --------------------------------------------------------------------------- |
|
484 // CMccSinkItem::IsInternalDecoder |
|
485 // --------------------------------------------------------------------------- |
|
486 // |
|
487 TBool CMccSinkItem::IsInternalDecoder( TUid aDecoderUid ) const |
|
488 { |
|
489 TUint32 decoderUid = aDecoderUid.iUid; |
|
490 return ( decoderUid == KImplUidAmrPayloadFormatDecode || |
|
491 decoderUid == KImplUidAnyPayloadFormatDecode || |
|
492 decoderUid == KImplUidDTMFPayloadFormatDecode || |
|
493 decoderUid == KImplUidRedPayloadFormatDecode ); |
|
494 |
|
495 } |
|
496 |
|
497 // --------------------------------------------------------------------------- |
|
498 // CMccSinkItem::StoreBufferL |
|
499 // --------------------------------------------------------------------------- |
|
500 // |
|
501 void CMccSinkItem::StoreBufferL( CMMFBuffer* aBuffer ) |
|
502 { |
|
503 __MULTIPLEXER( "CMccSinkItem::StoreBufferL" ) |
|
504 |
|
505 // If secondary sink has not yet requested buffer fill, the buffer |
|
506 // will be stored |
|
507 if ( iStoredBuffers.Count() >= KMccMaxStoredBuffers ) |
|
508 { |
|
509 __MULTIPLEXER( "CMccSinkItem::BufferFilledL, dropping oldest stored buffer!" ) |
|
510 delete iStoredBuffers[ 0 ]; |
|
511 iStoredBuffers.Remove( 0 ); |
|
512 } |
|
513 |
|
514 CMMFDataBuffer* storedBuffer = CMMFDataBuffer::NewL( aBuffer->BufferSize() ); |
|
515 |
|
516 CleanupStack::PushL( storedBuffer ); |
|
517 CopyBufferL( storedBuffer, aBuffer ); |
|
518 iStoredBuffers.AppendL( storedBuffer ); |
|
519 CleanupStack::Pop( storedBuffer ); |
|
520 |
|
521 __MULTIPLEXER( "CMccSinkItem::StoreBufferL, exit" ) |
|
522 } |
|
523 |
|
524 // --------------------------------------------------------------------------- |
|
525 // CMccSinkItem::GetStoredBuffer |
|
526 // --------------------------------------------------------------------------- |
|
527 // |
|
528 CMMFBuffer* CMccSinkItem::GetStoredBuffer() |
|
529 { |
|
530 CMMFBuffer* buffer = NULL; |
|
531 |
|
532 if ( iStoredBuffers.Count() > 0 ) |
|
533 { |
|
534 buffer = iStoredBuffers[ 0 ]; |
|
535 iStoredBuffers.Remove( 0 ); |
|
536 } |
|
537 |
|
538 return buffer; |
|
539 } |
|
540 |
|
541 // --------------------------------------------------------------------------- |
|
542 // CMccSinkItem::HandleBadData |
|
543 // --------------------------------------------------------------------------- |
|
544 // |
|
545 TBool CMccSinkItem::HandleBadDataL( CMMFDataBuffer* aBuffer ) |
|
546 { |
|
547 TBool stopBufferForwarding( EFalse ); |
|
548 if ( aBuffer == NULL || !aBuffer->BufferSize() ) |
|
549 { |
|
550 __MULTIPLEXER( "CMccSinkItem::HandleBadDataL, bad data received" ) |
|
551 iBadDataCount++; |
|
552 if ( iBadDataCount >= KMccBadDataCount && iEventHandler ) |
|
553 { |
|
554 __MULTIPLEXER( "CMccSinkItem::HandleBadDataL, pausing stream" ) |
|
555 iBadDataCount = 0; |
|
556 |
|
557 TMccEvent* event = new ( ELeave ) TMccEvent; |
|
558 CleanupStack::PushL( event ); |
|
559 event->iEndpointId = 0; |
|
560 event->iEventCategory = KMccEventCategoryStreamControl; |
|
561 event->iEventType = KMccStreamPaused; |
|
562 event->iErrorCode = KErrNone; |
|
563 |
|
564 TMccInternalEvent internalEvent( KMccMultiplexerUid, EMccInternalEventNone, |
|
565 *event ); |
|
566 |
|
567 User::LeaveIfError( iEventHandler->SendEventToClient( internalEvent ) ); |
|
568 |
|
569 CleanupStack::PopAndDestroy( event ); |
|
570 __MULTIPLEXER( "CMccSinkItem::HandleBadDataL, pausing event sent" ) |
|
571 |
|
572 stopBufferForwarding = ETrue; |
|
573 } |
|
574 } |
|
575 else |
|
576 { |
|
577 iBadDataCount = 0; |
|
578 } |
|
579 |
|
580 return stopBufferForwarding; |
|
581 } |
|
582 |
|
583 // --------------------------------------------------------------------------- |
|
584 // CMccSinkItem::HandleStreamStateChangeEvent |
|
585 // --------------------------------------------------------------------------- |
|
586 // |
|
587 TBool CMccSinkItem::HandleStreamStateChangeEvent( TMccEvent& aEvent ) |
|
588 { |
|
589 TBool sendEvent( ETrue ); |
|
590 |
|
591 // Modify started event to resumed event if previously paused |
|
592 if ( aEvent.iEventType == KMccStreamStarted && |
|
593 iReportedEvent == KMccStreamPaused ) |
|
594 { |
|
595 __MULTIPLEXER( "CMccSinkItem::SendEventToClient, modify event type" ) |
|
596 aEvent.iEventType = KMccStreamResumed; |
|
597 } |
|
598 |
|
599 // Automatic started/resumed event is not forwarded if this user hasn't yet |
|
600 // started the source |
|
601 if ( aEvent.iEventNumData == KMccAutomaticEvent && |
|
602 ( aEvent.iEventType == KMccStreamStarted || |
|
603 aEvent.iEventType == KMccStreamResumed ) ) |
|
604 { |
|
605 sendEvent = ( iState >= CMccMultiplexer::EPlaying ); |
|
606 |
|
607 __MULTIPLEXER_INT1( |
|
608 "CMccSinkItem::SendEventToClient, automatic event send:", sendEvent ) |
|
609 } |
|
610 |
|
611 if ( sendEvent ) |
|
612 { |
|
613 sendEvent = ( aEvent.iEventType != iReportedEvent ); |
|
614 |
|
615 iReportedEvent = aEvent.iEventType; |
|
616 } |
|
617 |
|
618 return sendEvent; |
|
619 } |
|
620 |
|
621 // End of File |
|
622 |