0
|
1 |
/*
|
|
2 |
* Copyright (c) 2008-2009 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 |
@file
|
|
21 |
@internalComponent
|
|
22 |
*/
|
|
23 |
|
|
24 |
#include <openmax/il/common/omxilutil.h>
|
|
25 |
#include "comxilclockprocessingfunction.h"
|
|
26 |
#include "comxilclockcomponent.h"
|
|
27 |
#include "clocksupervisor.h"
|
|
28 |
#include <openmax/il/common/omxilcallbacknotificationif.h>
|
|
29 |
#include "clockpanics.h"
|
|
30 |
#include "omxilclock.hrh"
|
|
31 |
|
|
32 |
#include <openmax/il/common/omxilspecversion.h>
|
|
33 |
|
|
34 |
|
|
35 |
OMX_ERRORTYPE SymbianErrorToOmx(TInt aError);
|
|
36 |
|
|
37 |
COmxILClockProcessingFunction* COmxILClockProcessingFunction::NewL(MOmxILCallbackNotificationIf& aCallbacks,
|
|
38 |
COmxILClockComponent& aComponent)
|
|
39 |
{
|
|
40 |
COmxILClockProcessingFunction* self = new (ELeave) COmxILClockProcessingFunction(aCallbacks, aComponent);
|
|
41 |
CleanupStack::PushL(self);
|
|
42 |
self->ConstructL();
|
|
43 |
CleanupStack::Pop(self);
|
|
44 |
return self;
|
|
45 |
}
|
|
46 |
|
|
47 |
COmxILClockProcessingFunction::COmxILClockProcessingFunction(MOmxILCallbackNotificationIf& aCallbacks,
|
|
48 |
COmxILClockComponent& aComponent) :
|
|
49 |
COmxILProcessingFunction(aCallbacks), iComponent(aComponent)
|
|
50 |
{
|
|
51 |
}
|
|
52 |
|
|
53 |
void COmxILClockProcessingFunction::ConstructL()
|
|
54 |
{
|
|
55 |
iClock = CClockSupervisor::NewL(*this);
|
|
56 |
iThreadNotifier = CClockThreadNotifier::NewL(iClock);
|
|
57 |
iThreadNotifier->IssueRequest();
|
|
58 |
User::LeaveIfError(iBufferMutex.CreateLocal());
|
|
59 |
// create a buffer queue for each port and add it to the iBufferQueues array
|
|
60 |
for(TInt portIndex = 0; portIndex < KNumPorts; portIndex++)
|
|
61 |
{
|
|
62 |
CCirBuf<OMX_BUFFERHEADERTYPE*>* queue = new(ELeave) CCirBuf<OMX_BUFFERHEADERTYPE*>();
|
|
63 |
CleanupStack::PushL(queue);
|
|
64 |
iBufferQueues.AppendL(queue);
|
|
65 |
CleanupStack::Pop(queue);
|
|
66 |
}
|
|
67 |
}
|
|
68 |
|
|
69 |
COmxILClockProcessingFunction::~COmxILClockProcessingFunction()
|
|
70 |
{
|
|
71 |
delete iClock;
|
|
72 |
delete iThreadNotifier;
|
|
73 |
iBufferMutex.Close();
|
|
74 |
// empty iBufferQueues and delete any CCirBuf objects
|
|
75 |
// the CCirBuf objects don't own any buffers they contain, so we don't delete those here
|
|
76 |
iBufferQueues.ResetAndDestroy();
|
|
77 |
}
|
|
78 |
|
|
79 |
OMX_ERRORTYPE COmxILClockProcessingFunction::StateTransitionIndication(TStateIndex aNewState)
|
|
80 |
{
|
|
81 |
OMX_ERRORTYPE omxError = OMX_ErrorNone;
|
|
82 |
|
|
83 |
switch(aNewState)
|
|
84 |
{
|
|
85 |
case ESubStateLoadedToIdle:
|
|
86 |
{
|
|
87 |
// allocate space for the buffer queues now the buffer count on each port is known
|
|
88 |
for(TInt portIndex = 0; portIndex < KNumPorts; portIndex++)
|
|
89 |
{
|
|
90 |
TInt length = iComponent.PortBufferCount(portIndex);
|
|
91 |
TRAPD(error, iBufferQueues[portIndex]->SetLengthL(length));
|
|
92 |
// error not actually a problem if queue was originally longer than we need
|
|
93 |
if(error != KErrNone && iBufferQueues[portIndex]->Length() < length)
|
|
94 |
{
|
|
95 |
omxError = OMX_ErrorInsufficientResources;
|
|
96 |
break;
|
|
97 |
}
|
|
98 |
}
|
|
99 |
break;
|
|
100 |
}
|
|
101 |
|
|
102 |
case EStateExecuting:
|
|
103 |
{
|
|
104 |
iExecuting = ETrue;
|
|
105 |
break;
|
|
106 |
}
|
|
107 |
|
|
108 |
case EStateIdle:
|
|
109 |
{
|
|
110 |
iExecuting = EFalse;
|
|
111 |
break;
|
|
112 |
}
|
|
113 |
|
|
114 |
case EStatePause:
|
|
115 |
{
|
|
116 |
// NOTE we do not change iExecuting
|
|
117 |
// The value of iExecuting maintains the direction from which
|
|
118 |
// Paused was entered (i.e. from Idle or Executing).
|
|
119 |
// This is because we wan't to know whether buffers are available,
|
|
120 |
// regardless of whether we are paused or not.
|
|
121 |
// TODO TBD is there an implicit stopping of the clock (e.g. set scale to 0)?
|
|
122 |
break;
|
|
123 |
}
|
|
124 |
default:
|
|
125 |
{
|
|
126 |
break;
|
|
127 |
}
|
|
128 |
}
|
|
129 |
|
|
130 |
return omxError;
|
|
131 |
}
|
|
132 |
|
|
133 |
OMX_ERRORTYPE COmxILClockProcessingFunction::BufferFlushingIndication(TUint32 aPortIndex,
|
|
134 |
OMX_DIRTYPE /*aDirection*/)
|
|
135 |
{
|
|
136 |
__ASSERT_DEBUG(aPortIndex == OMX_ALL || aPortIndex < KNumPorts, Panic(EBufferFlushingInvalidPort));
|
|
137 |
|
|
138 |
if (aPortIndex == OMX_ALL || aPortIndex < KNumPorts)
|
|
139 |
{
|
|
140 |
iBufferMutex.Wait();
|
|
141 |
|
|
142 |
if (aPortIndex == OMX_ALL)
|
|
143 |
{
|
|
144 |
for (TInt portIndex = 0; portIndex < KNumPorts; portIndex++)
|
|
145 |
{
|
|
146 |
DoBufferFlushingIndication(portIndex);
|
|
147 |
}
|
|
148 |
}
|
|
149 |
else
|
|
150 |
{
|
|
151 |
DoBufferFlushingIndication(aPortIndex);
|
|
152 |
}
|
|
153 |
|
|
154 |
iBufferMutex.Signal();
|
|
155 |
}
|
|
156 |
|
|
157 |
return OMX_ErrorNone;
|
|
158 |
}
|
|
159 |
|
|
160 |
void COmxILClockProcessingFunction::DoBufferFlushingIndication(TUint32 aPortIndex)
|
|
161 |
{
|
|
162 |
CCirBuf<OMX_BUFFERHEADERTYPE*>& queue = *iBufferQueues[aPortIndex];
|
|
163 |
|
|
164 |
while(queue.Count() > 0)
|
|
165 |
{
|
|
166 |
OMX_BUFFERHEADERTYPE* buffer;
|
|
167 |
// ignore error, we just checked Count() > 0 and we have the mutex, so a buffer
|
|
168 |
// should definitely be there
|
|
169 |
queue.Remove(&buffer);
|
|
170 |
OMX_ERRORTYPE error = iCallbacks.BufferDoneNotification(buffer, aPortIndex, OMX_DirOutput);
|
|
171 |
// the callback manager should return OMX_ErrorNone
|
|
172 |
// the callback manager ignores any error code from the callee component since it is the component's responsibility
|
|
173 |
// to respond to errors generated internally
|
|
174 |
__ASSERT_DEBUG(error == OMX_ErrorNone, Panic(ECallbackManagerBufferError));
|
|
175 |
}
|
|
176 |
}
|
|
177 |
|
|
178 |
OMX_ERRORTYPE COmxILClockProcessingFunction::ParamIndication(OMX_INDEXTYPE /*aParamIndex*/,
|
|
179 |
const TAny* /*apComponentParameterStructure*/)
|
|
180 |
{
|
|
181 |
return OMX_ErrorNone;
|
|
182 |
}
|
|
183 |
|
|
184 |
OMX_ERRORTYPE COmxILClockProcessingFunction::ConfigIndication(OMX_INDEXTYPE /*aConfigIndex*/,
|
|
185 |
const TAny* /*apComponentConfigStructure*/)
|
|
186 |
{
|
|
187 |
return OMX_ErrorNone;
|
|
188 |
}
|
|
189 |
|
|
190 |
OMX_ERRORTYPE COmxILClockProcessingFunction::BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader,
|
|
191 |
OMX_DIRTYPE /*aDirection*/)
|
|
192 |
{
|
|
193 |
// add buffer to the appropriate port queue
|
|
194 |
|
|
195 |
CCirBuf<OMX_BUFFERHEADERTYPE*>& queue = *iBufferQueues[apBufferHeader->nOutputPortIndex];
|
|
196 |
TOmxILUtil::ClearBufferContents(apBufferHeader);
|
|
197 |
apBufferHeader->nOffset = 0;
|
|
198 |
iBufferMutex.Wait();
|
|
199 |
TInt added = queue.Add(&apBufferHeader);
|
|
200 |
// don't expect 0 (not added) as total number of buffers is known
|
|
201 |
__ASSERT_DEBUG(added, Panic(EBufferQueueOverflow));
|
|
202 |
|
|
203 |
iBufferMutex.Signal();
|
|
204 |
return OMX_ErrorNone;
|
|
205 |
}
|
|
206 |
|
|
207 |
/**
|
|
208 |
* Finds and removes an item from a CCirBuf.
|
|
209 |
* NOTE items are NOT guaranteed to be in their original position!
|
|
210 |
* The queue must be protected from concurrent access when calling this
|
|
211 |
* function.
|
|
212 |
*
|
|
213 |
* @param aQueue queue to modify
|
|
214 |
* @param aRemoveItem item to remove
|
|
215 |
* @return ETrue if item was found and removed from the queue, EFalse otherwise.
|
|
216 |
*/
|
|
217 |
template<class T>
|
|
218 |
static TBool RemoveFromPool(CCirBuf<T>&aQueue, T aRemoveItem)
|
|
219 |
{
|
|
220 |
TInt numItems = aQueue.Count();
|
|
221 |
for(TInt index = 0; index < numItems; index++)
|
|
222 |
{
|
|
223 |
T item;
|
|
224 |
TInt removed = aQueue.Remove(&item); // ignore error since queue cannot be empty (numItems > 0)
|
|
225 |
__ASSERT_DEBUG(removed == 1, Panic(EBufferUnderflow));
|
|
226 |
if(item == aRemoveItem)
|
|
227 |
{
|
|
228 |
return ETrue;
|
|
229 |
}
|
|
230 |
else
|
|
231 |
{
|
|
232 |
TInt added = aQueue.Add(&item); // ignore error since always space for 1 item as one has just been removed
|
|
233 |
__ASSERT_DEBUG(added == 1, Panic(EBufferQueueOverflow));
|
|
234 |
}
|
|
235 |
}
|
|
236 |
return EFalse;
|
|
237 |
}
|
|
238 |
|
|
239 |
OMX_BOOL COmxILClockProcessingFunction::BufferRemovalIndication(OMX_BUFFERHEADERTYPE* apBufferHeader,
|
|
240 |
OMX_DIRTYPE /*aDirection*/)
|
|
241 |
{
|
|
242 |
CCirBuf<OMX_BUFFERHEADERTYPE*>& queue = *iBufferQueues[apBufferHeader->nOutputPortIndex];
|
|
243 |
iBufferMutex.Wait();
|
|
244 |
// note queue may be reordered, but that's OK since these are empty buffers
|
|
245 |
TBool removed = RemoveFromPool(queue, apBufferHeader);
|
|
246 |
iBufferMutex.Signal();
|
|
247 |
|
|
248 |
return removed ? OMX_TRUE : OMX_FALSE;
|
|
249 |
}
|
|
250 |
|
|
251 |
/**
|
|
252 |
* Returns a free buffer from the queue for the specified port.
|
|
253 |
* If no buffer is ready, this method returns NULL
|
|
254 |
* This method does not block for a buffer to become available.
|
|
255 |
*/
|
|
256 |
OMX_BUFFERHEADERTYPE* COmxILClockProcessingFunction::AcquireBuffer(TInt aPortIndex)
|
|
257 |
{
|
|
258 |
CCirBuf<OMX_BUFFERHEADERTYPE*>& queue = *iBufferQueues[aPortIndex];
|
|
259 |
iBufferMutex.Wait();
|
|
260 |
OMX_BUFFERHEADERTYPE* buffer;
|
|
261 |
TInt count = queue.Remove(&buffer);
|
|
262 |
iBufferMutex.Signal();
|
|
263 |
if(count > 0)
|
|
264 |
{
|
|
265 |
return buffer;
|
|
266 |
}
|
|
267 |
else
|
|
268 |
{
|
|
269 |
return NULL;
|
|
270 |
}
|
|
271 |
}
|
|
272 |
|
|
273 |
/**
|
|
274 |
* Sends a buffer out on a port.
|
|
275 |
*/
|
|
276 |
void COmxILClockProcessingFunction::SendBuffer(OMX_BUFFERHEADERTYPE* aBuffer)
|
|
277 |
{
|
|
278 |
OMX_ERRORTYPE error = iCallbacks.BufferDoneNotification(aBuffer, aBuffer->nOutputPortIndex, OMX_DirOutput);
|
|
279 |
// the callback manager should return OMX_ErrorNone
|
|
280 |
// the callback manager ignores any error code from the callee component since it is the component's responsibility
|
|
281 |
// to respond to errors generated internally
|
|
282 |
__ASSERT_DEBUG(error == OMX_ErrorNone, Panic(ECallbackManagerBufferError));
|
|
283 |
}
|
|
284 |
|
|
285 |
OMX_ERRORTYPE COmxILClockProcessingFunction::ProduceRequest(OMX_INDEXTYPE aIdx, CClockSupervisor::TEntryPoint aEntryPoint, TAny* pComponentConfigStructure)
|
|
286 |
{
|
|
287 |
return iClock->ProduceRequest(aIdx, aEntryPoint, pComponentConfigStructure);
|
|
288 |
}
|
|
289 |
|
|
290 |
/**
|
|
291 |
* Returns true iff the specified port is currently enabled.
|
|
292 |
*/
|
|
293 |
TBool COmxILClockProcessingFunction::PortEnabled(TInt aPortIndex) const
|
|
294 |
{
|
|
295 |
return iComponent.PortEnabled(aPortIndex);
|
|
296 |
}
|
|
297 |
|
|
298 |
TBool COmxILClockProcessingFunction::IsExecuting() const
|
|
299 |
{
|
|
300 |
return iExecuting;
|
|
301 |
}
|
|
302 |
|
|
303 |
/**
|
|
304 |
* Called when CClockSupervisor encounters a fatal error and needs to transition the
|
|
305 |
* component to OMX_StateInvalid.
|
|
306 |
*/
|
|
307 |
void COmxILClockProcessingFunction::InvalidateComponent()
|
|
308 |
{
|
|
309 |
OMX_ERRORTYPE error = iCallbacks.ErrorEventNotification(OMX_ErrorInvalidState);
|
|
310 |
// the callback manager should return OMX_ErrorNone
|
|
311 |
// the callback manager ignores any error code from the client since it is the client's responsibility to respond
|
|
312 |
// to errors generated internally
|
|
313 |
__ASSERT_DEBUG(error == OMX_ErrorNone, Panic(ECallbackManagerEventError));
|
|
314 |
// TODO this sends the invalidated event up to the IL client, but does not alter
|
|
315 |
// the internal state of the component to reflect being invalid. It seems you need
|
|
316 |
// access to private, non-exported FsmTransition to do that?
|
|
317 |
}
|
|
318 |
|