nx_metadata_sdk  1.0
Metadata SDK
device_agent.h
1 // Copyright 2018-present Network Optix, Inc. Licensed under MPL 2.0: www.mozilla.org/MPL/2.0/
2 
3 #pragma once
4 
5 #include <nx/sdk/analytics/helpers/consuming_device_agent.h>
6 #include <nx/sdk/helpers/uuid_helper.h>
7 
8 #include "engine.h"
9 
10 namespace nx {
11 namespace vms_server_plugins {
12 namespace analytics {
13 namespace sample {
14 
16 {
17 public:
18  DeviceAgent(const nx::sdk::IDeviceInfo* deviceInfo);
19  virtual ~DeviceAgent() override;
20 
21 protected:
22  virtual std::string manifestString() const override;
23 
24  virtual bool pushUncompressedVideoFrame(
25  const nx::sdk::analytics::IUncompressedVideoFrame* videoFrame) override;
26 
27  virtual bool pullMetadataPackets(
28  std::vector<nx::sdk::analytics::IMetadataPacket*>* metadataPackets) override;
29 
30  virtual void doSetNeededMetadataTypes(
31  nx::sdk::Result<void>* outValue,
32  const nx::sdk::analytics::IMetadataTypes* neededMetadataTypes) override;
33 
34 private:
35  nx::sdk::Ptr<nx::sdk::analytics::IMetadataPacket> generateEventMetadataPacket();
36  nx::sdk::Ptr<nx::sdk::analytics::IMetadataPacket> generateObjectMetadataPacket();
37 
38 private:
39  const std::string kHelloWorldObjectType = "nx.sample.helloWorld";
40  const std::string kNewTrackEventType = "nx.sample.newTrack";
41 
43  static constexpr int kTrackFrameCount = 256;
44 
45 private:
46  nx::sdk::Uuid m_trackId = nx::sdk::UuidHelper::randomUuid();
47  int m_frameIndex = 0;
48  int m_trackIndex = 0;
51  int64_t m_lastVideoFrameTimestampUs = 0;
52 };
53 
54 } // namespace sample
55 } // namespace analytics
56 } // namespace vms_server_plugins
57 } // namespace nx
virtual std::string manifestString() const override
Definition: device_agent.cpp:38
Definition: ptr.h:18
Definition: consuming_device_agent.h:36
Definition: i_metadata_types.h:11
Definition: result.h:80
Definition: uuid.h:21
Definition: i_device_info.h:13
virtual bool pushUncompressedVideoFrame(const nx::sdk::analytics::IUncompressedVideoFrame *videoFrame) override
Definition: device_agent.cpp:66
Definition: apple_utils.h:6
DeviceAgent(const nx::sdk::IDeviceInfo *deviceInfo)
Definition: device_agent.cpp:24
Definition: i_uncompressed_video_frame.h:71