34
|
1 |
/*
|
|
2 |
* Copyright (c) 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: VideoThumbnailFetcher class implementation
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
39
|
18 |
// Version : %version: 6 %
|
36
|
19 |
|
34
|
20 |
// INCLUDE FILES
|
|
21 |
#include <qpixmap.h>
|
|
22 |
#include <thumbnailmanager_qt.h>
|
|
23 |
|
|
24 |
#include "videothumbnailfetcher.h"
|
36
|
25 |
#include "videocollectiontrace.h"
|
34
|
26 |
|
37
|
27 |
/**
|
|
28 |
* global qHash function required fo creating hash values for TMPXItemId -keys
|
|
29 |
*/
|
|
30 |
inline uint qHash(TMPXItemId key)
|
|
31 |
{
|
|
32 |
QPair<uint, uint> keyPair(key.iId1, key.iId2);
|
|
33 |
|
|
34 |
return qHash(keyPair);
|
|
35 |
}
|
34
|
36 |
// ================= MEMBER FUNCTIONS =======================
|
|
37 |
//
|
|
38 |
|
|
39 |
// -----------------------------------------------------------------------------
|
|
40 |
// VideoThumbnailFetcher::VideoThumbnailFetcher()
|
|
41 |
// -----------------------------------------------------------------------------
|
|
42 |
//
|
36
|
43 |
VideoThumbnailFetcher::VideoThumbnailFetcher()
|
|
44 |
: mThumbnailManager( 0 )
|
|
45 |
, mPaused( false )
|
|
46 |
, mTbnCreationEnabled( true )
|
34
|
47 |
{
|
36
|
48 |
FUNC_LOG;
|
34
|
49 |
mThumbnailManager = new ThumbnailManager();
|
|
50 |
mThumbnailManager->setThumbnailSize(ThumbnailManager::ThumbnailMedium);
|
|
51 |
mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForPerformance);
|
|
52 |
mThumbnailManager->setMode(ThumbnailManager::CropToAspectRatio);
|
|
53 |
|
|
54 |
connect(mThumbnailManager, SIGNAL(thumbnailReady( QPixmap , void * , int , int )),
|
|
55 |
this, SLOT(thumbnailReadySlot( QPixmap , void * , int , int )));
|
|
56 |
}
|
|
57 |
|
|
58 |
// -----------------------------------------------------------------------------
|
|
59 |
// VideoThumbnailFetcher::~VideoThumbnailFetcher()
|
|
60 |
// -----------------------------------------------------------------------------
|
|
61 |
//
|
|
62 |
VideoThumbnailFetcher::~VideoThumbnailFetcher()
|
|
63 |
{
|
36
|
64 |
FUNC_LOG;
|
34
|
65 |
cancelFetches();
|
|
66 |
|
|
67 |
disconnect(mThumbnailManager, SIGNAL(thumbnailReady( QPixmap , void * , int , int )),
|
|
68 |
this, SLOT(thumbnailReadySlot( QPixmap , void * , int , int )));
|
|
69 |
|
|
70 |
delete mThumbnailManager;
|
|
71 |
mThumbnailManager = 0;
|
|
72 |
}
|
|
73 |
|
|
74 |
// -----------------------------------------------------------------------------
|
|
75 |
// VideoThumbnailFetcher::addFetch()
|
|
76 |
// -----------------------------------------------------------------------------
|
|
77 |
//
|
37
|
78 |
void VideoThumbnailFetcher::addFetch(const QString fileName, const TMPXItemId &mediaId, int priority)
|
34
|
79 |
{
|
|
80 |
ThumbnailFetchData *fetch = new ThumbnailFetchData;
|
|
81 |
fetch->mFileName = fileName;
|
37
|
82 |
fetch->mMediaId = mediaId;
|
34
|
83 |
fetch->mPriority = priority;
|
37
|
84 |
fetch->mRequestId = -1;
|
|
85 |
mFetchList.insert(mediaId, fetch);
|
34
|
86 |
}
|
|
87 |
|
|
88 |
// -----------------------------------------------------------------------------
|
|
89 |
// VideoThumbnailFetcher::continueFetching()
|
|
90 |
// -----------------------------------------------------------------------------
|
|
91 |
//
|
37
|
92 |
void VideoThumbnailFetcher::continueFetching(bool cancelOngoingFetches)
|
34
|
93 |
{
|
36
|
94 |
FUNC_LOG;
|
34
|
95 |
mPaused = false;
|
|
96 |
|
|
97 |
// First fetch all thumbnails that have been created already, next
|
|
98 |
// start thumbnail creation for one thumbnail at a time.
|
|
99 |
if(!mFetchList.isEmpty())
|
|
100 |
{
|
37
|
101 |
startThumbnailFetches(cancelOngoingFetches);
|
34
|
102 |
}
|
|
103 |
else if(!mCreationList.isEmpty())
|
|
104 |
{
|
|
105 |
startThumbnailCreation();
|
|
106 |
}
|
|
107 |
|
|
108 |
// All thumbnails have been fetched, report it.
|
|
109 |
if(mFetchList.isEmpty() && mCreationList.isEmpty() && mStartedFetchList.isEmpty())
|
|
110 |
{
|
|
111 |
emit allThumbnailsFetched();
|
|
112 |
}
|
|
113 |
}
|
|
114 |
|
|
115 |
// -----------------------------------------------------------------------------
|
|
116 |
// VideoThumbnailFetcher::startThumbnailFetches()
|
|
117 |
// -----------------------------------------------------------------------------
|
|
118 |
//
|
37
|
119 |
void VideoThumbnailFetcher::startThumbnailFetches(bool cancelOngoingFetches)
|
34
|
120 |
{
|
36
|
121 |
FUNC_LOG;
|
37
|
122 |
|
34
|
123 |
if(!mThumbnailManager)
|
36
|
124 |
{
|
34
|
125 |
return;
|
36
|
126 |
}
|
34
|
127 |
|
|
128 |
// Only fetch those thumbnails that are already been created.
|
|
129 |
mThumbnailManager->setMode(ThumbnailManager::DoNotCreate);
|
|
130 |
|
37
|
131 |
// Cancel ongoing fetches, but only those that are not in the list of new fetches.
|
|
132 |
if(cancelOngoingFetches)
|
34
|
133 |
{
|
37
|
134 |
QHash<TMPXItemId, ThumbnailFetchData*>::iterator iter = mStartedFetchList.begin();
|
|
135 |
while(iter != mStartedFetchList.end())
|
|
136 |
{
|
|
137 |
if(!mFetchList.contains(iter.key()))
|
|
138 |
{
|
|
139 |
ThumbnailFetchData *fetch = iter.value();
|
|
140 |
INFO_3("VideoThumbnailFetcher::startThumbnailFetches() canceling - mpx id: (%d, %d), requestId: %d", fetch->mMediaId.iId1, fetch->mMediaId.iId2, fetch->mRequestId);
|
|
141 |
mThumbnailManager->cancelRequest(fetch->mRequestId);
|
|
142 |
iter = mStartedFetchList.erase(iter);
|
|
143 |
delete fetch;
|
|
144 |
}
|
|
145 |
else
|
|
146 |
{
|
|
147 |
iter++;
|
|
148 |
}
|
|
149 |
}
|
|
150 |
}
|
|
151 |
|
|
152 |
// Start fetches.
|
|
153 |
QHash<TMPXItemId, ThumbnailFetchData*>::iterator iter = mFetchList.begin();
|
|
154 |
while(iter != mFetchList.end())
|
|
155 |
{
|
|
156 |
ThumbnailFetchData *fetch = iter.value();
|
|
157 |
iter = mFetchList.erase(iter);
|
34
|
158 |
|
37
|
159 |
if(!mStartedFetchList.contains(fetch->mMediaId))
|
34
|
160 |
{
|
37
|
161 |
TMPXItemId *internal = new TMPXItemId(fetch->mMediaId.iId1, fetch->mMediaId.iId2);
|
|
162 |
|
|
163 |
fetch->mRequestId = mThumbnailManager->getThumbnail(fetch->mFileName,
|
|
164 |
internal, fetch->mPriority);
|
|
165 |
INFO_3("VideoThumbnailFetcher::startThumbnailFetches() started - mpx id: (%d, %d), requestId: %d", fetch->mMediaId.iId1, fetch->mMediaId.iId2, fetch->mRequestId);
|
|
166 |
if(fetch->mRequestId != -1)
|
|
167 |
{
|
|
168 |
// Request succeed, add to list of started fetches.
|
|
169 |
mStartedFetchList.insert(fetch->mMediaId, fetch);
|
|
170 |
}
|
|
171 |
else
|
|
172 |
{
|
|
173 |
// Request failed, free data.
|
|
174 |
delete internal;
|
|
175 |
delete fetch;
|
|
176 |
}
|
34
|
177 |
}
|
|
178 |
else
|
|
179 |
{
|
37
|
180 |
INFO_3("VideoThumbnailFetcher::startThumbnailFetches() already fetching - mpx id: (%d, %d), requestId: %d", fetch->mMediaId.iId1, fetch->mMediaId.iId2, fetch->mRequestId);
|
|
181 |
// Already fetching this one, fetch data not needed anymore.
|
34
|
182 |
delete fetch;
|
|
183 |
}
|
|
184 |
}
|
|
185 |
}
|
|
186 |
|
|
187 |
// -----------------------------------------------------------------------------
|
|
188 |
// VideoThumbnailFetcher::startThumbnailCreation()
|
|
189 |
// -----------------------------------------------------------------------------
|
|
190 |
//
|
|
191 |
void VideoThumbnailFetcher::startThumbnailCreation()
|
|
192 |
{
|
36
|
193 |
FUNC_LOG;
|
34
|
194 |
if(!mThumbnailManager || !mTbnCreationEnabled)
|
36
|
195 |
{
|
34
|
196 |
return;
|
36
|
197 |
}
|
34
|
198 |
|
|
199 |
mThumbnailManager->setMode(ThumbnailManager::CropToAspectRatio);
|
|
200 |
|
|
201 |
// Do nothing if list is empty.
|
|
202 |
if(mCreationList.isEmpty())
|
36
|
203 |
{
|
34
|
204 |
return;
|
36
|
205 |
}
|
34
|
206 |
|
|
207 |
// Find fetch with highest priority.
|
|
208 |
int highestPriority = 0;
|
|
209 |
int indexWithHighestPriority = 0;
|
|
210 |
|
|
211 |
for(int i = 0; i < mCreationList.count(); i++)
|
|
212 |
{
|
|
213 |
if(mCreationList.at(i)->mPriority > highestPriority)
|
|
214 |
{
|
|
215 |
indexWithHighestPriority = i;
|
|
216 |
highestPriority = mCreationList.at(i)->mPriority;
|
|
217 |
}
|
|
218 |
}
|
|
219 |
|
|
220 |
ThumbnailFetchData *fetch = mCreationList.takeAt(indexWithHighestPriority);
|
37
|
221 |
TMPXItemId *internal = new TMPXItemId(fetch->mMediaId.iId1, fetch->mMediaId.iId2);
|
34
|
222 |
|
|
223 |
// Do request to thumbnail manager.
|
|
224 |
int requestId = mThumbnailManager->getThumbnail(fetch->mFileName,
|
37
|
225 |
internal, fetch->mPriority);
|
|
226 |
INFO_3("VideoThumbnailFetcher::startThumbnailCreation() started - mpx id: (%d, %d), requestId: %d", fetch->mMediaId.iId1, fetch->mMediaId.iId2, requestId);
|
34
|
227 |
|
37
|
228 |
// Request failed, free data.
|
34
|
229 |
if(requestId == -1)
|
|
230 |
{
|
37
|
231 |
delete internal;
|
34
|
232 |
}
|
37
|
233 |
// No need for the fetch data anymore when creating thumbnails.
|
|
234 |
delete fetch;
|
34
|
235 |
}
|
|
236 |
|
|
237 |
// -----------------------------------------------------------------------------
|
|
238 |
// VideoThumbnailFetcher::pauseFetching()
|
|
239 |
// -----------------------------------------------------------------------------
|
|
240 |
//
|
|
241 |
void VideoThumbnailFetcher::pauseFetching()
|
|
242 |
{
|
36
|
243 |
FUNC_LOG;
|
34
|
244 |
mPaused = true;
|
|
245 |
}
|
|
246 |
|
|
247 |
// -----------------------------------------------------------------------------
|
|
248 |
// VideoThumbnailFetcher::cancelFetches()
|
|
249 |
// -----------------------------------------------------------------------------
|
|
250 |
//
|
|
251 |
void VideoThumbnailFetcher::cancelFetches()
|
|
252 |
{
|
36
|
253 |
FUNC_LOG;
|
37
|
254 |
|
|
255 |
QHash<TMPXItemId, ThumbnailFetchData*>::const_iterator iter = mStartedFetchList.constBegin();
|
|
256 |
while(iter != mStartedFetchList.constEnd())
|
34
|
257 |
{
|
37
|
258 |
mThumbnailManager->cancelRequest(iter.value()->mRequestId);
|
|
259 |
delete *iter;
|
|
260 |
iter++;
|
34
|
261 |
}
|
37
|
262 |
mStartedFetchList.clear();
|
34
|
263 |
|
37
|
264 |
iter = mFetchList.constBegin();
|
|
265 |
while(iter != mFetchList.constEnd())
|
34
|
266 |
{
|
37
|
267 |
delete *iter;
|
|
268 |
iter++;
|
|
269 |
}
|
|
270 |
mFetchList.clear();
|
|
271 |
|
|
272 |
while(!mCreationList.isEmpty())
|
|
273 |
{
|
|
274 |
ThumbnailFetchData *fetch = mCreationList.takeFirst();
|
34
|
275 |
delete fetch;
|
|
276 |
}
|
|
277 |
}
|
|
278 |
|
|
279 |
// -----------------------------------------------------------------------------
|
|
280 |
// VideoThumbnailFetcher::fetchCount()
|
|
281 |
// -----------------------------------------------------------------------------
|
|
282 |
//
|
|
283 |
int VideoThumbnailFetcher::fetchCount()
|
|
284 |
{
|
|
285 |
return mFetchList.count() + mCreationList.count() + mStartedFetchList.count();
|
|
286 |
}
|
|
287 |
|
|
288 |
// -----------------------------------------------------------------------------
|
|
289 |
// VideoThumbnailFetcher::enableThumbnailCreation()
|
|
290 |
// -----------------------------------------------------------------------------
|
|
291 |
//
|
|
292 |
void VideoThumbnailFetcher::enableThumbnailCreation(bool enable)
|
|
293 |
{
|
36
|
294 |
FUNC_LOG;
|
34
|
295 |
mTbnCreationEnabled = enable;
|
|
296 |
}
|
|
297 |
|
|
298 |
// -----------------------------------------------------------------------------
|
|
299 |
// VideoThumbnailFetcher::thumbnailReadySlot()
|
|
300 |
// -----------------------------------------------------------------------------
|
|
301 |
//
|
|
302 |
void VideoThumbnailFetcher::thumbnailReadySlot(QPixmap tnData, void *internal, int requestId, int error)
|
|
303 |
{
|
37
|
304 |
INFO_2("VideoThumbnailFetcher::thumbnailReadySlot() requestId: %d, error: %d", requestId, error);
|
39
|
305 |
Q_UNUSED(requestId);
|
37
|
306 |
|
|
307 |
TMPXItemId mediaId = TMPXItemId::InvalidId();
|
|
308 |
if(internal)
|
34
|
309 |
{
|
39
|
310 |
TMPXItemId *idPointer = static_cast<TMPXItemId*>(internal);
|
|
311 |
mediaId = *idPointer;
|
|
312 |
delete idPointer;
|
37
|
313 |
}
|
|
314 |
|
|
315 |
// Thumbnail has not been generated yet, put it into creation list.
|
|
316 |
if(error == -1)
|
|
317 |
{
|
|
318 |
if(mStartedFetchList.contains(mediaId))
|
34
|
319 |
{
|
37
|
320 |
ThumbnailFetchData *fetch = mStartedFetchList.take(mediaId);
|
34
|
321 |
mCreationList.append(fetch);
|
|
322 |
}
|
37
|
323 |
// If it's not found from started list then cancelFetches has been called and
|
|
324 |
// there's nothing to do with the failed fetch.
|
34
|
325 |
}
|
|
326 |
else
|
|
327 |
{
|
37
|
328 |
// Report that thumbnail was fetched, internal data pointer ownership moves.
|
|
329 |
emit thumbnailReady(tnData, mediaId, error);
|
|
330 |
if(mStartedFetchList.contains(mediaId))
|
36
|
331 |
{
|
37
|
332 |
delete mStartedFetchList.take(mediaId);
|
36
|
333 |
}
|
34
|
334 |
}
|
|
335 |
|
|
336 |
// Continue the fetching process.
|
|
337 |
if(!mPaused && mStartedFetchList.isEmpty())
|
36
|
338 |
{
|
37
|
339 |
continueFetching(false); // No need to cancel fetches because there's none.
|
36
|
340 |
}
|
34
|
341 |
}
|
|
342 |
|
|
343 |
// End of file.
|