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EventThread.cpp
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1 /*
2 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of NVIDIA CORPORATION nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "EventThread.h"
30 #include "Dispatcher.h"
31 #include "Util.h"
32 #include <Argus/Ext/DebugCaptureMetadata.h>
33
34 namespace ArgusSamples {
35
36 EventThread::EventThread(Argus::CaptureSession *session,
37 Argus::EventQueue *eventQueue,
38 PerfTracker *perftracker)
39 : m_session(session)
40 , m_eventQueue(eventQueue)
41 , m_perfTracker(perftracker)
42 {
43 }
44
45 EventThread::~EventThread()
46 {
47 }
48
49 bool EventThread::threadInitialize()
50 {
51 return true;
52 }
53
54 bool EventThread::threadExecute()
55 {
56 Dispatcher &dispatcher = Dispatcher::getInstance();
57
58 // wait for events (use a time out to allow the thread to be shutdown even if there are no
59 // new events)
60 PROPAGATE_ERROR(dispatcher.waitForEvents(m_eventQueue.get(), TimeValue::fromMSec(100),
61 m_session));
62
63 Argus::IEventQueue *iEventQueue =
64 Argus::interface_cast<Argus::IEventQueue>(m_eventQueue.get());
65 if (!iEventQueue)
66 ORIGINATE_ERROR("Failed to get iEventQueue");
67
68 for (uint32_t i = 0; i < iEventQueue->getSize(); i++)
69 {
70 const Argus::Event *event = iEventQueue->getEvent(i);
71 const Argus::IEvent *ievent = Argus::interface_cast<const Argus::IEvent>(event);
72 if (!ievent)
73 ORIGINATE_ERROR("Failed to get ievent interface");
74
75 if (ievent->getEventType() == Argus::EVENT_TYPE_CAPTURE_COMPLETE)
76 {
77 m_perfTracker->onEvent(REQUEST_RECEIVED);
78 uint64_t latencyMs = 0;
79
80 const Argus::IEventCaptureComplete *ieventCaptureComplete
81 = Argus::interface_cast<const Argus::IEventCaptureComplete>(event);
82 const Argus::CaptureMetadata *metaData = ieventCaptureComplete->getMetadata();
83 if (metaData)
84 {
85 const Argus::ICaptureMetadata *iCaptureMeta =
86 Argus::interface_cast<const Argus::ICaptureMetadata>(metaData);
87 if (iCaptureMeta)
88 {
89 latencyMs = ievent->getTime()/1000 - iCaptureMeta->getSensorTimestamp()/1000000;
90 m_perfTracker->onEvent(REQUEST_LATENCY, latencyMs);
91 }
92
93 const Argus::Ext::IDebugCaptureMetadata *iDebugCaptureMeta =
94 Argus::interface_cast<const Argus::Ext::IDebugCaptureMetadata>(metaData);
95 if (iDebugCaptureMeta)
96 {
97 uint64_t currentFrameCount = iDebugCaptureMeta->getHwFrameCount();
98 m_perfTracker->onEvent(FRAME_COUNT, currentFrameCount);
99 }
100
101 }
102 }
103 }
104
105 return true;
106 }
107
108 bool EventThread::threadShutdown()
109 {
110 return true;
111 }
112
113 }; // namespace ArgusSamples