1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "BitmapManagerThread.h"
#include "../base/Exception.h"
#include "../base/ScopeTimer.h"
#include "../base/TimeSource.h"
#include "../graphics/BitmapLoader.h"
#include <stdio.h>
#include <stdlib.h>
namespace avg {
BitmapManagerThread::BitmapManagerThread(CQueue& cmdQ, BitmapManagerMsgQueue& MsgQueue)
: WorkerThread<BitmapManagerThread>("BitmapManager", cmdQ),
m_MsgQueue(MsgQueue),
m_TotalLatency(0),
m_NumBmpsLoaded(0)
{
}
bool BitmapManagerThread::work()
{
waitForCommand();
return true;
}
void BitmapManagerThread::deinit()
{
if (m_NumBmpsLoaded > 0) {
AVG_TRACE(Logger::category::PROFILE, Logger::severity::INFO,
"Average latency for async bitmap loads: " << m_TotalLatency/m_NumBmpsLoaded
<< " ms");
}
}
static ProfilingZoneID LoaderProfilingZone("loadBitmap", true);
void BitmapManagerThread::loadBitmap(BitmapManagerMsgPtr pRequest)
{
BitmapPtr pBmp;
ScopeTimer timer(LoaderProfilingZone);
float startTime = pRequest->getStartTime();
try {
pBmp = avg::loadBitmap(pRequest->getFilename(), pRequest->getPixelFormat());
pRequest->setBitmap(pBmp);
} catch (const Exception& ex) {
pRequest->setError(ex);
}
m_MsgQueue.push(pRequest);
m_NumBmpsLoaded++;
float curLatency = TimeSource::get()->getCurrentMicrosecs()/1000 - startTime;
m_TotalLatency += curLatency;
ThreadProfiler::get()->reset();
}
}
|
