/src/openh264/codec/common/src/WelsTaskThread.cpp
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1 | | /*! |
2 | | * \copy |
3 | | * Copyright (c) 2009-2015, Cisco Systems |
4 | | * All rights reserved. |
5 | | * |
6 | | * Redistribution and use in source and binary forms, with or without |
7 | | * modification, are permitted provided that the following conditions |
8 | | * are met: |
9 | | * |
10 | | * * Redistributions of source code must retain the above copyright |
11 | | * notice, this list of conditions and the following disclaimer. |
12 | | * |
13 | | * * Redistributions in binary form must reproduce the above copyright |
14 | | * notice, this list of conditions and the following disclaimer in |
15 | | * the documentation and/or other materials provided with the |
16 | | * distribution. |
17 | | * |
18 | | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
21 | | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
22 | | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
23 | | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
24 | | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
25 | | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
26 | | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
27 | | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
28 | | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | | * POSSIBILITY OF SUCH DAMAGE. |
30 | | * |
31 | | * |
32 | | * \file WelsTaskThread.cpp |
33 | | * |
34 | | * \brief functions for TaskThread |
35 | | * |
36 | | * \date 5/09/2012 Created |
37 | | * |
38 | | ************************************************************************************* |
39 | | */ |
40 | | #include "WelsTaskThread.h" |
41 | | |
42 | | namespace WelsCommon { |
43 | | |
44 | 0 | CWelsTaskThread::CWelsTaskThread (IWelsTaskThreadSink* pSink) : m_pSink (pSink) { |
45 | 0 | WelsThreadSetName ("CWelsTaskThread"); |
46 | |
|
47 | 0 | m_uiID = (uintptr_t) (this); |
48 | 0 | m_pTask = NULL; |
49 | 0 | } |
50 | | |
51 | | |
52 | 0 | CWelsTaskThread::~CWelsTaskThread() { |
53 | 0 | } |
54 | | |
55 | 0 | void CWelsTaskThread::ExecuteTask() { |
56 | 0 | CWelsAutoLock cLock (m_cLockTask); |
57 | 0 | if (m_pSink) { |
58 | 0 | m_pSink->OnTaskStart (this, m_pTask); |
59 | 0 | } |
60 | |
|
61 | 0 | if (m_pTask) { |
62 | 0 | m_pTask->Execute(); |
63 | 0 | } |
64 | |
|
65 | 0 | if (m_pSink) { |
66 | 0 | m_pSink->OnTaskStop (this, m_pTask); |
67 | 0 | } |
68 | |
|
69 | 0 | m_pTask = NULL; |
70 | 0 | } |
71 | | |
72 | 0 | WELS_THREAD_ERROR_CODE CWelsTaskThread::SetTask (WelsCommon::IWelsTask* pTask) { |
73 | 0 | CWelsAutoLock cLock (m_cLockTask); |
74 | |
|
75 | 0 | if (!GetRunning()) { |
76 | 0 | return WELS_THREAD_ERROR_GENERAL; |
77 | 0 | } |
78 | 0 | WelsMutexLock(&m_hMutex); |
79 | 0 | m_pTask = pTask; |
80 | 0 | WelsMutexUnlock(&m_hMutex); |
81 | 0 | SignalThread(); |
82 | |
|
83 | 0 | return WELS_THREAD_ERROR_OK; |
84 | 0 | } |
85 | | |
86 | | |
87 | | } |
88 | | |