nx_cloud_storage_sdk  1.0
Cloud Storage SDK
i_stream_reader.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 <camera/camera_plugin.h>
6 #include <nx/sdk/cloud_storage/i_codec_info.h>
7 #include <nx/sdk/cloud_storage/i_media_data_packet.h>
8 #include <nx/sdk/i_list.h>
9 #include <nx/sdk/interface.h>
10 
11 namespace nx::sdk::cloud_storage {
12 
16 class IStreamReader: public Interface<IStreamReader>
17 {
18 public:
19  static constexpr auto interfaceId() { return makeId("nx::sdk::archive::StreamReader"); }
20 
25  public: virtual ErrorCode getNextData(IMediaDataPacket** packet) = 0;
26 
27  protected: virtual void getOpaqueMetadata(Result<const IString*>* outResult) const = 0;
33  {
35  getOpaqueMetadata(&result);
36  return result;
37  }
38 
39  protected: virtual const IList<ICodecInfo>* getCodecInfoList() const = 0;
44  public: Ptr<const IList<ICodecInfo>> codecInfoList() const { return Ptr(getCodecInfoList()); }
45 
46  virtual int64_t startTimeUs() const = 0;
47  virtual int64_t endTimeUs() const = 0;
48 
55  virtual ErrorCode seek(int64_t timestampUs, bool findKeyFrame, int64_t* selectedPositionUs) = 0;
56 };
57 
58 } // namespace nx::sdk::cloud_storage
Ptr< const IList< ICodecInfo > > codecInfoList() const
Definition: i_stream_reader.h:44
Definition: i_stream_reader.h:16
Definition: interface.h:48
Definition: i_media_data_packet.h:16
Result< const IString * > opaqueMetadata() const
Definition: i_stream_reader.h:32
Definition: ptr.h:18
virtual ErrorCode getNextData(IMediaDataPacket **packet)=0
virtual ErrorCode seek(int64_t timestampUs, bool findKeyFrame, int64_t *selectedPositionUs)=0
Definition: result.h:48
Definition: algorithm.cpp:8
static constexpr const InterfaceId * makeId(const char(&charArray)[len])
Definition: i_ref_countable.h:76
Definition: i_list.h:10