Input.h File

Input node for push pipelines. More...

Included Headers

#include "builder/Node.h" #include "builder/OutputSpec.h" #include <memory> #include <cstdint> #include <string> #include <vector>

Namespaces Index

namespace	simaai
namespace	neat
namespace	nodes

Classes Index

struct	InputOptions
class	Input

Description

Input node for push pipelines.

File Listing

The file content with the documentation metadata removed is:

1

6#pragma once

7

8#include "builder/Node.h"

9#include "builder/OutputSpec.h"

10

11#include <memory>

12#include <cstdint>

13#include <string>

14#include <vector>

15

16namespace simaai::neat {

17

18struct InputOptions {

19 std::string media_type = "video/x-raw";

20 std::string format;

21 int width = -1;

22 int height = -1;

23 int depth = -1;

24 // Optional dynamic-input limits used for validation/pool sizing.

25 // These do not constrain negotiated caps and are only checked at push time.

26 int max_width = -1;

27 int max_height = -1;

28 int max_depth = -1;

29 // Optional fixed framerate for caps (0/1 means "unspecified").

30 int fps_n = 0;

31 int fps_d = 1;

32 // Optional full caps string override (used for multi-tensor caps).

33 std::string caps_override;

34

35 bool is_live = true;

36 bool do_timestamp = true;

37 bool block = true;

38 int stream_type = 0; // GST_APP_STREAM_TYPE_STREAM

39 std::uint64_t max_bytes = 0;

40

41 bool use_simaai_pool = true;

42 int pool_min_buffers = 1;

43 int pool_max_buffers = 2;

44

45 // Optional GstSimaMeta buffer name override. Leave empty to avoid forcing a legacy default.

46 std::string buffer_name;

47};

48

49class Input final : public Node, public OutputSpecProvider {

50public:

51 explicit Input(InputOptions opt);

52

53 std::string kind() const override {

54 return "Input";

55 }

56 std::string user_label() const override {

57 return "mysrc";

58 }

59 InputRole input_role() const override {

60 return InputRole::Push;

61 }

62 NodeCapsBehavior caps_behavior() const override {

63 return NodeCapsBehavior::Static;

64 }

65 std::string buffer_name_hint(int node_index) const override;

66

67 std::string backend_fragment(int node_index) const override;

68 std::vector<std::string> element_names(int node_index) const override;

69 OutputSpec output_spec(const OutputSpec& input) const override;

70

71 const InputOptions& options() const {

72 return opt_;

73 }

74 std::string caps_string() const;

75

76private:

77 InputOptions opt_;

78};

79

80} // namespace simaai::neat

81

82namespace simaai::neat::nodes {

83std::shared_ptr<simaai::neat::Node> Input(InputOptions opt = {});

84} // namespace simaai::neat::nodes

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