|
1 /* |
|
2 * Copyright (c) 2008 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: Seek or trickplay |
|
15 * |
|
16 */ |
|
17 |
|
18 // Version : %version: 7 % |
|
19 |
|
20 |
|
21 // INCLUDE FILES |
|
22 #include <mpxplaybackpluginobserver.h> |
|
23 |
|
24 #include "mpxvideoseeker.h" |
|
25 #include "mpxvideoplaybackcontroller.h" |
|
26 #include "mpxvideo_debug.h" |
|
27 |
|
28 // CONSTANTS |
|
29 |
|
30 #if TRICK_PLAY |
|
31 const TInt KDefaultPlaySpeed(100); // 1x |
|
32 const TInt KDefaultTrickPlaySpeed(400); // 4x |
|
33 #else |
|
34 const TInt KTrickPlayTimeout(5000000); // 5 sec |
|
35 const TInt KSpeedInterval(125000); // 125 msec |
|
36 const TInt KDurationA(90000000); // 90 sec |
|
37 const TInt KDurationB(180000000); // 180 sec |
|
38 const TInt64 KSpeedAIncrements(2000000); // 2 sec |
|
39 const TInt64 KSpeedBIncrements(4000000); // 4 sec |
|
40 #endif |
|
41 |
|
42 // ============================ MEMBER FUNCTIONS =================================================== |
|
43 |
|
44 // ------------------------------------------------------------------------------------------------- |
|
45 // CMPXVideoSeeker::CMPXVideoSeeker |
|
46 // C++ default constructor can NOT contain any code, that might leave. |
|
47 // ------------------------------------------------------------------------------------------------- |
|
48 // |
|
49 CMPXVideoSeeker::CMPXVideoSeeker( CMPXVideoPlaybackController* aVideoPlaybackCtlr ) |
|
50 : iVideoPlaybackCtlr( aVideoPlaybackCtlr ) |
|
51 { |
|
52 MPX_DEBUG(_L("CMPXVideoSeeker::CMPXVideoSeeker()")); |
|
53 } |
|
54 |
|
55 // ------------------------------------------------------------------------------------------------- |
|
56 // CMPXVideoSeeker::ConstructL |
|
57 // Symbian 2nd phase constructor can leave. |
|
58 // ------------------------------------------------------------------------------------------------- |
|
59 // |
|
60 void CMPXVideoSeeker::ConstructL() |
|
61 { |
|
62 MPX_DEBUG(_L("CMPXVideoSeeker::ConstructL()")); |
|
63 |
|
64 iTrickPlayTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
|
65 iSeekTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
|
66 } |
|
67 |
|
68 // ------------------------------------------------------------------------------------------------- |
|
69 // CMPXVideoSeeker::NewL |
|
70 // Two-phased constructor. |
|
71 // ------------------------------------------------------------------------------------------------- |
|
72 // |
|
73 CMPXVideoSeeker* CMPXVideoSeeker::NewL( CMPXVideoPlaybackController* aVideoPlaybackCtlr ) |
|
74 { |
|
75 MPX_DEBUG(_L("CMPXVideoSeeker::NewL()")); |
|
76 |
|
77 CMPXVideoSeeker* self = new( ELeave ) CMPXVideoSeeker( aVideoPlaybackCtlr ); |
|
78 CleanupStack::PushL( self ); |
|
79 self->ConstructL(); |
|
80 CleanupStack::Pop(); |
|
81 return self; |
|
82 } |
|
83 |
|
84 // ------------------------------------------------------------------------------------------------- |
|
85 // CMPXVideoSeeker::~CMPXVideoSeeker |
|
86 // Destructor |
|
87 // ------------------------------------------------------------------------------------------------- |
|
88 // |
|
89 CMPXVideoSeeker::~CMPXVideoSeeker() |
|
90 { |
|
91 MPX_DEBUG(_L("CMPXVideoSeeker::~CMPXVideoSeeker()")); |
|
92 |
|
93 if ( iTrickPlayTimer ) |
|
94 { |
|
95 iTrickPlayTimer->Cancel(); |
|
96 delete iTrickPlayTimer; |
|
97 } |
|
98 |
|
99 if ( iSeekTimer ) |
|
100 { |
|
101 iSeekTimer->Cancel(); |
|
102 delete iSeekTimer; |
|
103 } |
|
104 } |
|
105 |
|
106 // ------------------------------------------------------------------------------------------------- |
|
107 // CMPXVideoSeeker::StartSeeking |
|
108 // ------------------------------------------------------------------------------------------------- |
|
109 // |
|
110 void CMPXVideoSeeker::StartSeekingL( TBool aForward, |
|
111 TMPXVideoPlaybackState aState, |
|
112 TInt64 aPosition, |
|
113 TInt64 aDuration ) |
|
114 { |
|
115 MPX_DEBUG(_L("CMPXVideoSeeker::StartSeekingL() forward = (%d)"), aForward ); |
|
116 |
|
117 TInt err = KErrNone; |
|
118 iPreviousState = aState; |
|
119 iForward = aForward; |
|
120 iPosition = aPosition; |
|
121 iDuration = aDuration; |
|
122 |
|
123 #if TRICK_PLAY |
|
124 if ( iPreviousState == EMPXVideoPaused ) |
|
125 { |
|
126 iVideoPlaybackCtlr->iPlayer->Play(); |
|
127 } |
|
128 |
|
129 TInt trickplaySpeed = KDefaultTrickPlaySpeed; |
|
130 |
|
131 if ( !iForward ) |
|
132 { |
|
133 trickplaySpeed *= -1; |
|
134 } |
|
135 |
|
136 // |
|
137 // Start trick play with 4x speed as default |
|
138 // |
|
139 MPX_TRAP( iVideoPlaybackCtlr->iPlayer->SetPlayVelocityL( trickplaySpeed ) ); |
|
140 |
|
141 #else |
|
142 if ( iPreviousState == EMPXVideoPlaying ) |
|
143 { |
|
144 iVideoPlaybackCtlr->iPlayer->PauseL(); |
|
145 } |
|
146 |
|
147 iIncrements = KSpeedAIncrements / 2; |
|
148 TInt interval = KSpeedInterval * 2; |
|
149 |
|
150 if ( !iForward ) |
|
151 { |
|
152 iIncrements *= -1; |
|
153 } |
|
154 |
|
155 iSeekTimer->Start( 0, |
|
156 interval, |
|
157 TCallBack( CMPXVideoSeeker::UpdatePosition, this ) ); |
|
158 #endif |
|
159 |
|
160 if ( err == KErrNone ) |
|
161 { |
|
162 iTrickPlayTimer->Start( KTrickPlayTimeout, |
|
163 0, |
|
164 TCallBack( CMPXVideoSeeker::StopTrickPlay, this ) ); |
|
165 } |
|
166 } |
|
167 |
|
168 // ------------------------------------------------------------------------------------------------- |
|
169 // CMPXVideoSeeker::StopSeekingL |
|
170 // ------------------------------------------------------------------------------------------------- |
|
171 // |
|
172 void CMPXVideoSeeker::StopSeekingL() |
|
173 { |
|
174 MPX_DEBUG(_L("CMPXVideoSeeker::StopSeekingL()")); |
|
175 |
|
176 TBool seekTimerActive = EFalse; |
|
177 |
|
178 if ( iTrickPlayTimer->IsActive() ) |
|
179 { |
|
180 iTrickPlayTimer->Cancel(); |
|
181 } |
|
182 |
|
183 if ( iSeekTimer->IsActive() ) |
|
184 { |
|
185 seekTimerActive = ETrue; |
|
186 iSeekTimer->Cancel(); |
|
187 } |
|
188 |
|
189 // |
|
190 // If it reaches the end of a clip, issue stop |
|
191 // |
|
192 if ( iDuration <= iPosition ) |
|
193 { |
|
194 iVideoPlaybackCtlr->iState->HandleEndOfClip(); |
|
195 } |
|
196 else |
|
197 { |
|
198 if ( seekTimerActive ) |
|
199 { |
|
200 iVideoPlaybackCtlr->iPlayer->SetPositionL( iPosition ); |
|
201 |
|
202 if ( iPreviousState == EMPXVideoPlaying ) |
|
203 { |
|
204 iVideoPlaybackCtlr->DoHandleCommandL( EPbCmdPlay ); |
|
205 } |
|
206 else if (iPreviousState == EMPXVideoPaused ) |
|
207 { |
|
208 iVideoPlaybackCtlr->DoHandleCommandL( EPbCmdPause ); |
|
209 } |
|
210 else |
|
211 { |
|
212 iVideoPlaybackCtlr->ChangeState( iPreviousState ); |
|
213 } |
|
214 } |
|
215 |
|
216 #if TRICK_PLAY |
|
217 else |
|
218 { |
|
219 // |
|
220 // Start trick play with default speed |
|
221 // |
|
222 MPX_TRAP( iVideoPlaybackCtlr->iPlayer->SetPlayVelocityL( KDefaultPlaySpeed ) ); |
|
223 |
|
224 if ( iPreviousState == EMPXVideoPaused ) |
|
225 { |
|
226 iVideoPlaybackCtlr->DoHandleCommandL( EPbCmdPause ); |
|
227 } |
|
228 else if ( iPreviousState == EMPXVideoPlaying ) |
|
229 { |
|
230 iVideoPlaybackCtlr->DoHandleCommandL( EPbCmdPlay ); |
|
231 } |
|
232 } |
|
233 #endif |
|
234 } |
|
235 |
|
236 } |
|
237 |
|
238 // ------------------------------------------------------------------------------------------------- |
|
239 // CMPXVideoSeeker::StopTrickPlay |
|
240 // ------------------------------------------------------------------------------------------------- |
|
241 // |
|
242 TInt CMPXVideoSeeker::StopTrickPlay( TAny* aPtr ) |
|
243 { |
|
244 MPX_DEBUG(_L("CMPXVideoSeeker::StopTrickPlay()")); |
|
245 |
|
246 static_cast<CMPXVideoSeeker*>(aPtr)->DoStopTrickPlay(); |
|
247 |
|
248 return KErrNone; |
|
249 } |
|
250 |
|
251 // ------------------------------------------------------------------------------------------------- |
|
252 // CMPXVideoSeeker::DoStopTrickPlay |
|
253 // ------------------------------------------------------------------------------------------------- |
|
254 // |
|
255 void CMPXVideoSeeker::DoStopTrickPlay() |
|
256 { |
|
257 MPX_DEBUG(_L("CMPXVideoSeeker::DoStopTrickPlay()")); |
|
258 |
|
259 TInt err = KErrNone; |
|
260 |
|
261 // |
|
262 // Stop trick play |
|
263 // |
|
264 if ( iTrickPlayTimer->IsActive() ) |
|
265 { |
|
266 iTrickPlayTimer->Cancel(); |
|
267 } |
|
268 |
|
269 #if TRICK_PLAY |
|
270 MPX_TRAP( err, |
|
271 iVideoPlaybackCtlr->iPlayer->SetPlayVelocityL( KDefaultPlaySpeed ); |
|
272 iVideoPlaybackCtlr->iPlayer->PauseL() ); |
|
273 #endif |
|
274 |
|
275 if ( err == KErrNone ) |
|
276 { |
|
277 ConvertToSeeking(); |
|
278 } |
|
279 } |
|
280 |
|
281 // ------------------------------------------------------------------------------------------------- |
|
282 // CMPXVideoSeeker::ConvertToSeeking |
|
283 // ------------------------------------------------------------------------------------------------- |
|
284 // |
|
285 void CMPXVideoSeeker::ConvertToSeeking() |
|
286 { |
|
287 MPX_DEBUG(_L("CMPXVideoSeeker::ConvertToSeeking()")); |
|
288 |
|
289 // |
|
290 // Start seeking (increments in every 125 msec) |
|
291 // - ~ 90sec : Increment is 2 sec |
|
292 // - 91sec~180sec : Increment is 4 sec |
|
293 // - 181sec~ : Increment depends on the duration |
|
294 // ( 0.5 % * duration ) + 3 sec |
|
295 // |
|
296 if ( iDuration < KDurationA ) |
|
297 { |
|
298 iIncrements = KSpeedAIncrements; |
|
299 } |
|
300 else |
|
301 { |
|
302 if ( iDuration < KDurationB ) |
|
303 { |
|
304 iIncrements = KSpeedBIncrements; |
|
305 } |
|
306 else |
|
307 { |
|
308 iIncrements = (TInt)( iDuration / 200 ) + 3; |
|
309 } |
|
310 } |
|
311 |
|
312 if ( !iForward ) |
|
313 { |
|
314 iIncrements *= -1; |
|
315 } |
|
316 |
|
317 if ( iSeekTimer->IsActive() ) |
|
318 { |
|
319 iSeekTimer->Cancel(); |
|
320 } |
|
321 |
|
322 iSeekTimer->Start( 0, KSpeedInterval, TCallBack( CMPXVideoSeeker::UpdatePosition, this ) ); |
|
323 } |
|
324 |
|
325 // ------------------------------------------------------------------------------------------------- |
|
326 // CMPXVideoSeeker::UpdatePosition |
|
327 // ------------------------------------------------------------------------------------------------- |
|
328 // |
|
329 TInt CMPXVideoSeeker::UpdatePosition( TAny* aPtr ) |
|
330 { |
|
331 MPX_DEBUG(_L("CMPXVideoSeeker::UpdatePosition()")); |
|
332 |
|
333 static_cast<CMPXVideoSeeker*>(aPtr)->DoUpdatePosition(); |
|
334 return KErrNone; |
|
335 } |
|
336 |
|
337 // ------------------------------------------------------------------------------------------------- |
|
338 // CMPXVideoSeeker::DoUpdatePosition |
|
339 // ------------------------------------------------------------------------------------------------- |
|
340 // |
|
341 void CMPXVideoSeeker::DoUpdatePosition() |
|
342 { |
|
343 MPX_DEBUG(_L("CMPXVideoSeeker::DoUpdatePosition()")); |
|
344 |
|
345 iPosition += iIncrements; |
|
346 |
|
347 if ( iPosition > iDuration ) |
|
348 { |
|
349 iPosition = iDuration; |
|
350 } |
|
351 else if ( iPosition < 0 ) |
|
352 { |
|
353 iPosition = 0; |
|
354 } |
|
355 |
|
356 iVideoPlaybackCtlr->iPlaybackMode->UpdateSeekPosition( iPosition ); |
|
357 } |
|
358 |
|
359 // End of File |