nvdsmeta.h

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#ifndef _NVDSMETA_NEW_H_
#define _NVDSMETA_NEW_H_

#include "glib.h"
#include "gmodule.h"
#include "nvll_osd_struct.h"

#ifdef __cplusplus
extern "C"
{
#endif

#define MAX_USER_FIELDS 4

#define MAX_RESERVED_FIELDS 4

#define MAX_LABEL_SIZE 128

#define MAX_ELEMENTS_IN_DISPLAY_META 16

#define UNTRACKED_OBJECT_ID 0xFFFFFFFFFFFFFFFF

typedef GList NvDsFrameMetaList;
typedef GList NvDsUserMetaList;
typedef GList NvDsObjectMetaList;
typedef GList NvDisplayMetaList;
typedef GList NvDsClassifierMetaList;
typedef GList NvDsLabelInfoList;
typedef GList NvDsMetaList;
typedef void NvDsElementMeta;

/* In the following doc comment:
 * @param[in]  user_data    A pointer to user-specific data. For internal use
 *                          only; in applications it must be set to NULL.
 */
typedef gpointer (*NvDsMetaCopyFunc) (gpointer data, gpointer user_data);

typedef void (*NvDsMetaReleaseFunc) (gpointer data, gpointer user_data);

typedef enum {
  NVDS_INVALID_META=-1,
  NVDS_BATCH_META = 1,
  NVDS_FRAME_META,
  NVDS_OBJ_META,
  NVDS_DISPLAY_META,
  NVDS_CLASSIFIER_META,
  NVDS_LABEL_INFO_META,
  NVDS_USER_META,
  NVDS_PAYLOAD_META,
  NVDS_EVENT_MSG_META,
  NVDS_OPTICAL_FLOW_META,
  NVDS_LATENCY_MEASUREMENT_META,
  NVDSINFER_TENSOR_OUTPUT_META,
  NVDSINFER_SEGMENTATION_META,
  NVDS_CROP_IMAGE_META,
  NVDS_TRACKER_PAST_FRAME_META,
  NVDS_RESERVED_META = 4095,
  NVDS_GST_CUSTOM_META = 4096,
  NVDS_START_USER_META = NVDS_GST_CUSTOM_META + 4096 + 1,
  NVDS_FORCE32_META = 0x7FFFFFFF
} NvDsMetaType;

typedef struct _NvDsMetaPool {
  NvDsMetaType meta_type;
  guint max_elements_in_pool;
  guint element_size;
  guint num_empty_elements;
  guint num_full_elements;
  NvDsMetaList * empty_list;
  NvDsMetaList * full_list;
  NvDsMetaCopyFunc copy_func;
  NvDsMetaReleaseFunc release_func;
}NvDsMetaPool;

typedef struct _NvDsBaseMeta {
  struct _NvDsBatchMeta *batch_meta;
  NvDsMetaType meta_type;
  void * uContext;
  NvDsMetaCopyFunc copy_func;
  NvDsMetaReleaseFunc release_func;
} NvDsBaseMeta;

typedef struct _NvDsBatchMeta {
  NvDsBaseMeta base_meta;
  guint max_frames_in_batch;
  guint num_frames_in_batch;
  NvDsMetaPool *frame_meta_pool;
  NvDsMetaPool *obj_meta_pool;
  NvDsMetaPool *classifier_meta_pool;
  NvDsMetaPool *display_meta_pool;
  NvDsMetaPool *user_meta_pool;
  NvDsMetaPool *label_info_meta_pool;
  NvDsFrameMetaList *frame_meta_list;
  NvDsUserMetaList *batch_user_meta_list;
  GRecMutex meta_mutex;
  gint64 misc_batch_info[MAX_USER_FIELDS];
  gint64 reserved[MAX_RESERVED_FIELDS];
} NvDsBatchMeta;

typedef struct _NvDsFrameMeta {
  NvDsBaseMeta base_meta;
  guint pad_index;
  guint batch_id;
  gint frame_num;
  guint64 buf_pts;
  guint64 ntp_timestamp;
  guint source_id;
  gint num_surfaces_per_frame;
  /* Holds the width of the frame at input to Gst-streammux. */
  guint source_frame_width;
  /* Holds the height of the frame at input to Gst-streammux. */
  guint source_frame_height;
  /* Holds the surface type of the subframe, required in case of
   multiple surfaces in the frame. */
  guint surface_type;
  /* Holds the surface index of tje subframe, required in case of
   multiple surfaces in the frame. */
  guint surface_index;
  guint num_obj_meta;
  gboolean bInferDone;
  NvDsObjectMetaList *obj_meta_list;
  NvDisplayMetaList *display_meta_list;
  NvDsUserMetaList *frame_user_meta_list;
  gint64 misc_frame_info[MAX_USER_FIELDS];
  gint64 reserved[MAX_RESERVED_FIELDS];
} NvDsFrameMeta;

typedef struct _NvDsObjectMeta {
  NvDsBaseMeta base_meta;
  struct _NvDsObjectMeta *parent;
  gint unique_component_id;
  gint class_id;
  guint64 object_id;
  gfloat confidence;
  NvOSD_RectParams rect_params;
  NvOSD_TextParams text_params;
  gchar obj_label[MAX_LABEL_SIZE];
  NvDsClassifierMetaList *classifier_meta_list;
  NvDsUserMetaList *obj_user_meta_list;
  gint64 misc_obj_info[MAX_USER_FIELDS];
  gint64 reserved[MAX_RESERVED_FIELDS];
}NvDsObjectMeta;

typedef struct _NvDsClassifierMeta {
  NvDsBaseMeta base_meta;
  guint num_labels;
  gint unique_component_id;
  NvDsLabelInfoList *label_info_list;
} NvDsClassifierMeta;

typedef struct _NvDsLabelInfo {
  NvDsBaseMeta base_meta;
  guint num_classes;
  gchar result_label[MAX_LABEL_SIZE];
  gchar *pResult_label;
  guint result_class_id;
  guint label_id;
  gfloat result_prob;
} NvDsLabelInfo;

typedef struct NvDsDisplayMeta {
  NvDsBaseMeta base_meta;
  guint num_rects;
  guint num_labels;
  guint num_lines;
  guint num_arrows;
  guint num_circles;
  NvOSD_RectParams rect_params[MAX_ELEMENTS_IN_DISPLAY_META];
  NvOSD_TextParams text_params[MAX_ELEMENTS_IN_DISPLAY_META];
  NvOSD_LineParams line_params[MAX_ELEMENTS_IN_DISPLAY_META];
  NvOSD_ArrowParams arrow_params[MAX_ELEMENTS_IN_DISPLAY_META];
  NvOSD_CircleParams circle_params[MAX_ELEMENTS_IN_DISPLAY_META];
  gint64 misc_osd_data[MAX_USER_FIELDS];
  gint64 reserved[MAX_RESERVED_FIELDS];
} NvDsDisplayMeta;

typedef struct _NvDsUserMeta {
  NvDsBaseMeta base_meta;
  void *user_meta_data;
} NvDsUserMeta;

void nvds_acquire_meta_lock (NvDsBatchMeta *batch_meta);

void nvds_release_meta_lock (NvDsBatchMeta *batch_meta);

NvDsBatchMeta *nvds_create_batch_meta(guint max_batch_size);

gboolean nvds_destroy_batch_meta(NvDsBatchMeta *batch_meta);

NvDsFrameMeta *nvds_acquire_frame_meta_from_pool (NvDsBatchMeta *batch_meta);

void nvds_add_frame_meta_to_batch(NvDsBatchMeta * batch_meta,
    NvDsFrameMeta * frame_meta);

void nvds_remove_frame_meta_from_batch (NvDsBatchMeta *batch_meta,
    NvDsFrameMeta * frame_meta);

NvDsObjectMeta *nvds_acquire_obj_meta_from_pool (NvDsBatchMeta *batch_meta);

void nvds_add_obj_meta_to_frame(NvDsFrameMeta * frame_meta,
    NvDsObjectMeta *obj_meta, NvDsObjectMeta *obj_parent);

void nvds_remove_obj_meta_from_frame (NvDsFrameMeta * frame_meta,
    NvDsObjectMeta *obj_meta);

NvDsClassifierMeta *nvds_acquire_classifier_meta_from_pool(
    NvDsBatchMeta *batch_meta);

void nvds_add_classifier_meta_to_object(NvDsObjectMeta *obj_meta,
    NvDsClassifierMeta * classifier_meta);

void nvds_remove_classifier_meta_from_obj (NvDsObjectMeta * obj_meta,
    NvDsClassifierMeta *classifier_meta);

NvDsDisplayMeta *nvds_acquire_display_meta_from_pool (
    NvDsBatchMeta *batch_meta);

void nvds_add_display_meta_to_frame(NvDsFrameMeta * frame_meta,
    NvDsDisplayMeta * display_meta);

void nvds_remove_display_meta_from_frame (NvDsFrameMeta * frame_meta,
    NvDsDisplayMeta *display_meta);

NvDsLabelInfo *nvds_acquire_label_info_meta_from_pool (
    NvDsBatchMeta *batch_meta);

void nvds_add_label_info_meta_to_classifier(
    NvDsClassifierMeta *classifier_meta, NvDsLabelInfo * label_info_meta);

void nvds_remove_label_info_meta_from_classifier (
    NvDsClassifierMeta *classifier_meta, NvDsLabelInfo *label_info_meta);

void nvds_add_user_meta_to_batch(NvDsBatchMeta * batch_meta,
    NvDsUserMeta * user_meta);

void nvds_add_user_meta_to_frame(NvDsFrameMeta * frame_meta,
    NvDsUserMeta * user_meta);

void nvds_add_user_meta_to_obj(NvDsObjectMeta * obj_meta,
    NvDsUserMeta * user_meta);

NvDsUserMeta *nvds_acquire_user_meta_from_pool (NvDsBatchMeta *batch_meta);

void nvds_remove_user_meta_from_batch(NvDsBatchMeta * batch_meta,
    NvDsUserMeta * user_meta);

void nvds_remove_user_meta_from_frame(NvDsFrameMeta * frame_meta,
    NvDsUserMeta * user_meta);

void nvds_remove_user_meta_from_object(NvDsObjectMeta * obj_meta,
    NvDsUserMeta * user_meta);

gboolean nvds_get_current_metadata_info(NvDsBatchMeta *batch_meta);

gpointer nvds_batch_meta_copy_func (gpointer data, gpointer user_data);

void nvds_batch_meta_release_func(gpointer data, gpointer user_data);

NvDsFrameMeta *nvds_get_nth_frame_meta (NvDsFrameMetaList *frame_meta_list,
    guint index);

void nvds_clear_frame_meta_list(NvDsBatchMeta *batch_meta,
    NvDsFrameMetaList *meta_list);

void nvds_clear_obj_meta_list(NvDsFrameMeta *frame_meta,
    NvDsObjectMetaList *meta_list);

void nvds_clear_classifier_meta_list(NvDsObjectMeta *obj_meta,
    NvDsClassifierMetaList *meta_list);

void nvds_clear_label_info_meta_list(NvDsClassifierMeta *classifier_meta,
    NvDsLabelInfoList *meta_list);

void nvds_clear_display_meta_list(NvDsFrameMeta *frame_meta,
    NvDisplayMetaList *meta_list);

void nvds_clear_batch_user_meta_list(NvDsBatchMeta *batch_meta,
    NvDsUserMetaList *meta_list);

void nvds_clear_frame_user_meta_list(NvDsFrameMeta *frame_meta,
    NvDsUserMetaList *meta_list);

void nvds_clear_obj_user_meta_list(NvDsObjectMeta *object_meta,
    NvDsUserMetaList *meta_list);

NvDsMetaList *nvds_clear_meta_list(NvDsBatchMeta *batch_meta,
    NvDsMetaList *meta_list, NvDsMetaPool *meta_pool);

void nvds_copy_frame_meta(NvDsFrameMeta *src_frame_meta,
    NvDsFrameMeta *dst_frame_meta);

void nvds_copy_obj_meta(NvDsObjectMeta *src_object_meta,
    NvDsObjectMeta *dst_object_meta);

void nvds_copy_classifier_meta(NvDsClassifierMeta *src_classifier_meta,
    NvDsClassifierMeta *dst_classifier_meta);

void nvds_copy_label_info_meta(NvDsLabelInfo *src_label_info,
    NvDsLabelInfo *dst_label_info);

void nvds_copy_display_meta(NvDsDisplayMeta *src_display_meta,
    NvDsDisplayMeta *dst_display_meta);

void nvds_copy_batch_user_meta_list(NvDsUserMetaList *src_user_meta_list,
    NvDsBatchMeta *dst_batch_meta);

void nvds_copy_frame_user_meta_list(NvDsUserMetaList *src_user_meta_list,
    NvDsFrameMeta *dst_frame_meta);

void nvds_copy_obj_user_meta_list(NvDsUserMetaList *src_user_meta_list,
    NvDsObjectMeta *dst_object_meta);

void nvds_copy_display_meta_list(NvDisplayMetaList *src_display_meta_list,
    NvDsFrameMeta *dst_frame_meta);

void nvds_copy_frame_meta_list (NvDsFrameMetaList *src_frame_meta_list,
    NvDsBatchMeta *dst_batch_meta);

void nvds_copy_obj_meta_list(NvDsObjectMetaList *src_obj_meta_list,
    NvDsFrameMeta *dst_frame_meta);

void nvds_copy_classification_list(NvDsClassifierMetaList *src_classifier_meta_list,
    NvDsObjectMeta *dst_object_meta);

void nvds_copy_label_info_list(NvDsLabelInfoList *src_label_info_list,
    NvDsClassifierMeta *dst_classifier_meta);

NvDsMetaType nvds_get_user_meta_type(gchar *meta_descriptor);

#ifdef __cplusplus
}
#endif
#endif