9.0/sources/includes/gst-nvcommon.h File Reference

Detailed Description

SPDX-FileCopyrightText: Copyright (c) 2020-2026 NVIDIA CORPORATION & AFFILIATES.

All rights reserved. SPDX-License-Identifier: LicenseRef-NvidiaProprietary

NVIDIA CORPORATION, its affiliates and licensors retain all intellectual property and proprietary rights in and to this material, related documentation and any modifications thereto. Any use, reproduction, disclosure or distribution of this material and related documentation without an express license agreement from NVIDIA CORPORATION or its affiliates is strictly prohibited.

NVIDIA GStreamer DeepStream: Common Properties

Description: This file specifies the NVIDIA DeepStream GStreamer common properties functions, useful for reuse by multiple components

Definition in file 9.0/sources/includes/gst-nvcommon.h.

Go to the source code of this file.

Macros
#define	CHECK_DEFAULT_MEM(memType1, memType2)
#define	GET_DEFAULT_MEM_TYPE(mem_type)   {mem_type=NVBUF_MEM_CUDA_DEVICE;}
#define	CHECK_NVDS_MEMORY_AND_GPUID(object, surface)
#define	GST_TYPE_NVBUF_MEMORY_TYPE   (gst_nvbuf_memory_get_type ())
#define	GST_TYPE_COMPUTE_HW   (gst_compute_hw_get_type ())
#define	GST_TYPE_INTERPOLATION_METHOD   (gst_video_interpolation_method_get_type ())
#define	PROP_NVDS_GPU_ID_INSTALL(gobject_class)
#define	PROP_NVBUF_MEMORY_TYPE_INSTALL(gobject_class)
#define	PROP_COMPUTE_HW_INSTALL(gobject_class)
#define	PROP_INTERPOLATION_METHOD_INSTALL(gobject_class)

Functions
GType	gst_nvbuf_memory_get_type (void)
GType	gst_compute_hw_get_type (void)
GType	gst_video_interpolation_method_get_type (void)
const char *	gst_nvbuf_memory_get_name (int mem_type)
int	gst_nvbuf_memory_get_value (const char *mem_type_string)

Macro Definition Documentation

CHECK_DEFAULT_MEM

#define CHECK_DEFAULT_MEM	(		memType1,
			memType2
	)

Value:

    ((memType1 == NVBUF_MEM_DEFAULT && memType2 == NVBUF_MEM_CUDA_DEVICE) || \
    (memType1 == NVBUF_MEM_CUDA_DEVICE && memType2 == NVBUF_MEM_DEFAULT))

Definition at line 31 of file 9.0/sources/includes/gst-nvcommon.h.

CHECK_NVDS_MEMORY_AND_GPUID

#define CHECK_NVDS_MEMORY_AND_GPUID	(		object,
			surface
	)

Value:

  ({ int _errtype=0;\
   do {  \
   if (((surface->memType == NVBUF_MEM_DEFAULT || surface->memType == NVBUF_MEM_CUDA_DEVICE) && \
       ((int)surface->gpuId != (int)object->gpu_id)) || \
       (((int)surface->gpuId == (int)object->gpu_id) && (surface->memType == NVBUF_MEM_SYSTEM)))  { \
       GST_ELEMENT_ERROR (object, RESOURCE, FAILED, \
           ("Memory Compatibility Error:Input surface gpu-id doesnt match with configured gpu-id for element," \
            " please allocate input using unified memory, or use same gpu-ids OR,"\
            " if same gpu-ids are used ensure appropriate Cuda memories are used"),\
            ("surface-gpu-id=%d,%s-gpu-id=%d",surface->gpuId,GST_ELEMENT_NAME(object),\
             object->gpu_id)); \
             _errtype = 1;\
             } \
             } while(0); \
             _errtype; \
             })

Definition at line 62 of file 9.0/sources/includes/gst-nvcommon.h.

GET_DEFAULT_MEM_TYPE

#define GET_DEFAULT_MEM_TYPE

(

mem_type

)

{mem_type=NVBUF_MEM_CUDA_DEVICE;}

Definition at line 34 of file 9.0/sources/includes/gst-nvcommon.h.

GST_TYPE_COMPUTE_HW

#define GST_TYPE_COMPUTE_HW   (gst_compute_hw_get_type ())

Definition at line 84 of file 9.0/sources/includes/gst-nvcommon.h.

GST_TYPE_INTERPOLATION_METHOD

#define GST_TYPE_INTERPOLATION_METHOD   (gst_video_interpolation_method_get_type ())

Definition at line 87 of file 9.0/sources/includes/gst-nvcommon.h.

GST_TYPE_NVBUF_MEMORY_TYPE

#define GST_TYPE_NVBUF_MEMORY_TYPE   (gst_nvbuf_memory_get_type ())

Definition at line 81 of file 9.0/sources/includes/gst-nvcommon.h.

PROP_COMPUTE_HW_INSTALL

#define PROP_COMPUTE_HW_INSTALL

(

gobject_class

)

Value:

do {   \
  g_object_class_install_property (gobject_class, PROP_COMPUTE_HW, \
      g_param_spec_enum ("compute-hw", "compute-hw", \
          "Compute Scaling HW",                       \
        GST_TYPE_COMPUTE_HW, NvBufSurfTransformCompute_Default,    \
        (GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |    \
        GST_PARAM_CONTROLLABLE | G_PARAM_CONSTRUCT)));     \
}while(0)

Definition at line 114 of file 9.0/sources/includes/gst-nvcommon.h.

PROP_INTERPOLATION_METHOD_INSTALL

#define PROP_INTERPOLATION_METHOD_INSTALL

(

gobject_class

)

Value:

do {   \
  g_object_class_install_property (gobject_class, PROP_INTERPOLATION_METHOD, \
      g_param_spec_enum ("interpolation-method", "Interpolation-method", \
          "Set interpolation methods",                       \
        GST_TYPE_INTERPOLATION_METHOD, NvBufSurfTransformInter_Default,    \
        (GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |    \
        GST_PARAM_CONTROLLABLE | G_PARAM_CONSTRUCT)));     \
}while(0)

Definition at line 124 of file 9.0/sources/includes/gst-nvcommon.h.

PROP_NVBUF_MEMORY_TYPE_INSTALL

#define PROP_NVBUF_MEMORY_TYPE_INSTALL

(

gobject_class

)

Value:

do {   \
  g_object_class_install_property (gobject_class, PROP_NVBUF_MEMORY_TYPE, \
      g_param_spec_enum ("nvbuf-memory-type", "Type of NvBufSurface memory allocated", \
        "Type of NvBufSurface Memory to be allocated for output buffers",                        \
        GST_TYPE_NVBUF_MEMORY_TYPE,                                    \
        NVBUF_MEM_DEFAULT,                                           \
        (GParamFlags)(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |    \
        GST_PARAM_MUTABLE_READY)));                                   \
}while(0)

Definition at line 103 of file 9.0/sources/includes/gst-nvcommon.h.

PROP_NVDS_GPU_ID_INSTALL

#define PROP_NVDS_GPU_ID_INSTALL

(

gobject_class

)

Value:

do {   \
g_object_class_install_property (gobject_class, PROP_GPU_DEVICE_ID,    \
      g_param_spec_uint ("gpu-id", "Set GPU Device ID for operation",  \
          "Set GPU Device ID for operation",                           \
          0, G_MAXUINT, 0,                                             \
          (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |  \
              GST_PARAM_MUTABLE_READY))); \
}while(0)

Definition at line 93 of file 9.0/sources/includes/gst-nvcommon.h.

Function Documentation

gst_compute_hw_get_type()

GType gst_compute_hw_get_type

(

void

)

gst_nvbuf_memory_get_name()

const char* gst_nvbuf_memory_get_name

(

int

mem_type

)

gst_nvbuf_memory_get_type()

GType gst_nvbuf_memory_get_type

(

void

)

gst_nvbuf_memory_get_value()

int gst_nvbuf_memory_get_value

(

const char *

mem_type_string

)

gst_video_interpolation_method_get_type()

GType gst_video_interpolation_method_get_type

(

void

)