Common functions for various tensor_filters. More...

#include <string.h>
#include <hw_accel.h>
#include <ml_agent.h>
#include <nnstreamer_log.h>
#include <nnstreamer_util.h>
#include "tensor_filter_common.h"

Include dependency graph for tensor_filter_common.c:

Go to the source code of this file.

Macros
#define	silent_debug_info(i, msg)

#define	REGEX_ACCL_ELEM_START "("

#define	REGEX_ACCL_ELEM_PREFIX "(?<!!)"

#define	REGEX_ACCL_ELEM_SUFFIX ""

#define	REGEX_ACCL_ELEM_DELIMITER "\|"

#define	REGEX_ACCL_ELEM_END ")?"

#define	REGEX_ACCL_START "(^(true)[:]?([(]?("

#define	REGEX_ACCL_PREFIX ""

#define	REGEX_ACCL_SUFFIX ""

#define	REGEX_ACCL_DELIMITER "\|"

#define	REGEX_ACCL_END ")*[)]?))"

#define	g_free_const(x) g_free((void*)(long)(x))
	Free memory. More...

#define	g_strfreev_const(x) g_strfreev((void*)(long)(x))

Functions
static GType	accl_hw_get_type (void)
	to get and register hardware accelerator backend enum More...

static GList *	parse_accl_hw_all (const gchar accelerators, const gchar *supported_accelerators)
	parse user given string to extract list of accelerators based on given regex More...

static gint	_gtfc_setprop_IS_UPDATABLE (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const GValue *value)
	Handle "PROP_IS_UPDATABLE" for set-property. More...

static gint	_gtfc_setprop_ACCELERATOR (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const GValue *value)
	Handle "PROP_ACCELERATOR" for set-property. More...

	G_LOCK_DEFINE_STATIC (shared_model_table)
	mutex for shared model table. More...

static void	gst_tensors_layout_init (tensors_layout layout)
	Initialize the tensors layout. More...

static void	gst_tensors_rank_init (unsigned int ranks[])
	Initialize the tensors ranks. More...

static tensor_layout	gst_tensor_parse_layout_string (const gchar *layoutstr)
	Get tensor layout from string input. More...

static guint	gst_tensors_parse_layouts_string (tensors_layout layout, const gchar *layout_string)
	Parse the string of tensor layouts. More...

static gchar *	gst_tensor_filter_get_rank_string (const GstTensorFilterProperties *prop, gboolean isInput)
	Get the rank string of the tensors. More...

static gchar *	gst_tensor_filter_get_dimension_string (const GstTensorFilterProperties *prop, const gboolean isInput)
	Get the dimension string of tensors considering rank count. More...

static gchar *	gst_tensor_filter_get_type_string (const GstTensorFilterProperties *prop, const gboolean is_input)
	Get the type string of tensors. More...

static gchar *	gst_tensor_filter_get_name_string (const GstTensorFilterProperties *prop, const gboolean is_input)
	Get the name string of tensors. More...

static const gchar *	gst_tensor_get_layout_string (tensor_layout layout)
	Get layout string of tensor layout. More...

static gchar *	gst_tensor_filter_get_layout_string (const GstTensorFilterProperties *prop, const gboolean is_input)
	Get the string of layout of tensors. More...

static gchar *	strcpy2 (gchar dest, const gchar src)
	copy the string from src to destination More...

static gchar *	create_regex (const gchar enum_list, const gchar regex_utils)
	create regex for the given string list and regex basic elements More...

static gboolean	verify_model_path (const GstTensorFilterPrivate *priv)
	Verify validity of path for given model file if verify_model_path is set. More...

static void	gst_tensor_filter_properties_init (GstTensorFilterProperties *prop)
	Initialize the GstTensorFilterProperties object. More...

static void	gst_tensor_filter_framework_info_init (GstTensorFilterFrameworkInfo *info)
	Initialize the GstTensorFilterFrameworkInfo object. More...

static void	gst_tensor_filter_statistics_init (GstTensorFilterStatistics *stat)
	Initialize the GstTensorFilterFrameworkInfo object. More...

static gboolean	nnstreamer_filter_validate (const GstTensorFilterFramework *tfsp)
	Validate filter sub-plugin's data. More...

int	nnstreamer_filter_probe (GstTensorFilterFramework *tfsp)
	Filter's sub-plugin should call this function to register itself. More...

void	nnstreamer_filter_exit (const char *name)
	Filter's sub-plugin may call this to unregister itself. More...

void	nnstreamer_filter_set_custom_property_desc (const char name, const char prop,...)
	set custom property description for tensor filter sub-plugin More...

static const GstTensorFilterFramework *	nnstreamer_filter_find_best_fit (const char *names)
	Find sub-plugin filter given the name list. More...

const GstTensorFilterFramework *	nnstreamer_filter_find (const char *name)
	Find filter sub-plugin with the name. More...

static void	gst_tensor_filter_parse_modelpaths_string (GstTensorFilterProperties prop, const gchar model_files)
	Parse the string of model. More...

gboolean	gst_tensor_filter_allocate_in_invoke (GstTensorFilterPrivate *priv)
	check if the allocate_in_invoke is valid for the framework More...

void	gst_tensor_filter_destroy_notify_util (GstTensorFilterPrivate priv, void data)
	Free the data allocated for tensor filter output. More...

gchar *	gst_tensorsinfo_compare_to_string (const GstTensorsInfo info1, const GstTensorsInfo info2)
	Printout the comparison results of two tensors as a string. More...

void	gst_tensorsinfo_compare_print (const GstTensorsInfo info1, const GstTensorsInfo info2)
	Printout the comparison results of two tensors. More...

void	gst_tensor_filter_install_properties (GObjectClass *gobject_class)
	Installs all the properties for tensor_filter. More...

void	gst_tensor_filter_common_init_property (GstTensorFilterPrivate *priv)
	Initialize the properties for tensor-filter. More...

void	gst_tensor_filter_common_free_property (GstTensorFilterPrivate *priv)
	Free the properties for tensor-filter. More...

static void	gst_tensor_filter_parse_accelerator (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const char *accelerators)
	Parse the hardware accelerators to be used for this framework. More...

static gchar *	_detect_framework_from_config (const gchar *extension)
	Get available framework from config. More...

gchar *	gst_tensor_filter_detect_framework (const gchar const model_files, const guint num_models, const gboolean load_conf)
	Get neural network framework name from given model file. This does not guarantee the framework is available on the target device. More...

static void	gst_tensor_filter_get_available_framework (GstTensorFilterPrivate priv, const char fw_name)
	automatically selecting framework for tensor filter More...

static gint	_gtfc_setprop_FRAMEWORK (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const GValue *value)
	Handle "PROP_FRAMEWORK" for set-property. More...

static gint	_gtfc_setprop_MODEL (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const GValue *value)
	Handle "PROP_MODEL" for set-property. More...

static gint	_gtfc_setprop_DIMENSION (GstTensorFilterPrivate priv, const GValue value, const gboolean is_input)
	Handle "PROP_INPUT" and "PROP_OUTPUT" for set-property. More...

static gint	_gtfc_setprop_TYPE (GstTensorFilterPrivate priv, const GValue value, const gboolean is_input)
	Handle "PROP_INPUTTYPE" and "PROP_OUTPUTTYPE" for set-property. More...

static gint	_gtfc_setprop_NAME (GstTensorFilterPrivate priv, const GValue value, const gboolean is_input)
	Handle "PROP_INPUTNAME" and "PROP_OUTPUTNAME" for set-property. More...

static gint	_gtfc_setprop_CUSTOM (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const GValue *value)
	Handle "PROP_CUSTOM" for set-property. More...

static gint	_gtfc_setprop_LAYOUT (GstTensorFilterPrivate priv, const GValue value, const gboolean is_input)
	Handle "PROP_INPUTLAYOUT" and "PROP_OUTPUTLAYOUT" for set-property. More...

static gint	_gtfc_setprop_LATENCY (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const GValue *value)
	Handle "PROP_LATENCY" for set-property. More...

static gint	_gtfc_setprop_THROUGHPUT (GstTensorFilterPrivate priv, GstTensorFilterProperties prop, const GValue *value)
	Handle "PROP_THROUGHPUT" for set-property. More...

static gint	_gtfc_setprop_INPUTCOMBINATION (GstTensorFilterPrivate priv, GList prop_list, const GValue value)
	Handle "PROP_INPUTCOMBINATION" for set-property. More...

static gint	_gtfc_setprop_OUTPUTCOMBINATION (GstTensorFilterPrivate priv, GList prop_list1, GList prop_list2, const GValue value)
	Handle "PROP_OUTPUTCOMBINATION" for set-property. More...

static gint	_gtfc_setprop_SHARED_TENSOR_FILTER_KEY (GstTensorFilterProperties prop, const GValue value)
	Handle "PROP_SHARED_TENSOR_FILTER_KEY" for set-property. More...

static gint	_gtfc_setprop_PROP_INVOKE_DYNAMIC (GstTensorFilterPrivate priv, const GValue value)
	Handle "PROP_INVOKE_DYNAMIC" for set-property. More...

static gint	_gtfc_setprop_SUSPEND (GstTensorFilterPrivate priv, const GValue value)
	Handle "PROP_SUSPEND" for set-property. More...

gboolean	gst_tensor_filter_common_set_property (GstTensorFilterPrivate priv, guint prop_id, const GValue value, GParamSpec *pspec)
	Set the properties for tensor_filter. More...

static void	gst_tensor_filter_property_to_string (GValue value, GstTensorFilterPrivate priv, guint prop_id)
	Convert GList to GValue. More...

gboolean	gst_tensor_filter_common_get_property (GstTensorFilterPrivate priv, guint prop_id, GValue value, GParamSpec *pspec)
	Get the properties for tensor_filter. More...

gboolean	gst_tensor_filter_common_get_combined_in_info (GstTensorFilterPrivate priv, const GstTensorsInfo in, GstTensorsInfo *combined)
	Configure input tensor info with combi option. More...

gboolean	gst_tensor_filter_common_get_combined_out_info (GstTensorFilterPrivate priv, const GstTensorsInfo in, const GstTensorsInfo out, GstTensorsInfo combined)
	Configure output tensor info with combi option. More...

gboolean	gst_tensor_filter_common_get_out_info (GstTensorFilterPrivate priv, GstTensorsInfo in, GstTensorsInfo *out)
	Get output tensor info from NN model with given input info. More...

void	gst_tensor_filter_load_tensor_info (GstTensorFilterPrivate *priv)
	Load tensor info from NN model. (both input and output tensor) More...

void	gst_tensor_filter_common_open_fw (GstTensorFilterPrivate *priv)
	Open NN framework. More...

void	gst_tensor_filter_common_unload_fw (GstTensorFilterPrivate *priv)
	Unload NN framework. More...

void	gst_tensor_filter_common_close_fw (GstTensorFilterPrivate *priv)
	Close NN framework. More...

accl_hw	get_accl_hw_type (const gchar *key)
	return accl_hw type from string More...

const gchar *	get_accl_hw_str (const accl_hw key)
	return string based on accl_hw type More...

static const gchar **	add_basic_supported_accelerators (const gchar **supported_accelerators)
	Added basic accelerators (auto, default) to supported accelerators. More...

static const gchar **	filter_supported_accelerators (const gchar **supported_accelerators)
	Filter accelerators based on the runtime system. More...

static accl_hw	parse_accl_hw_util (const gchar accelerators, const gchar supported_accelerators, const gchar auto_accelerator, const gchar *default_accelerator)
	parse user given string to extract accelerator based on given regex More...

static gint	runtime_check_supported_accelerator (const gchar *accl)
	Check if this accelerator can be used based on the runtime system. More...

accl_hw	parse_accl_hw_fill (parse_accl_args accl_args)
	parse user given string to extract accelerator based on given regex filling in optional arguments More...

gboolean	gst_tensor_filter_check_hw_availability (const gchar name, const accl_hw hw, const char custom)
	Check if the given hw is supported by the framework. More...

void *	nnstreamer_filter_shared_model_get (void instance, const char key)
	Get the shared model representation that is already shared and has the same key. More...

void *	nnstreamer_filter_shared_model_insert_and_get (void instance, char key, void *interpreter)
	Insert the new shared model representation and get the value. More...

int	nnstreamer_filter_shared_model_remove (void instance, const char key, void(free_callback)(void ))
	Remove the instance registered at the referred list of shared model table. If referred list is empty, `free_callback` is executed. More...

void	nnstreamer_filter_shared_model_replace (void instance, const char key, void new_interpreter, void(replace_callback)(void , void ), void(free_callback)(void ))
	Helper to reload interpreter for instances that has shared key. `replace_callback` is called iterating instances in referred list. More...

Variables
static const gchar *	regex_accl_utils []

static const gchar *	regex_accl_elem_utils []

static GHashTable *	shared_model_table = NULL

Detailed Description

Common functions for various tensor_filters.

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; version 2.1 of the License.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details.

Date: 28 Aug 2019

See also: http://github.com/nnstreamer/nnstreamer

Author: Parichay Kapoor pk.ka.nosp@m.poor.nosp@m.@sams.nosp@m.ung..nosp@m.com; MyungJoo Ham myung.nosp@m.joo..nosp@m.ham@s.nosp@m.amsu.nosp@m.ng.co.nosp@m.m

Bug:: No known bugs except for NYI items

Definition in file tensor_filter_common.c.

Macro Definition Documentation

◆ g_free_const

#define g_free_const ( x ) g_free((void*)(long)(x))

Free memory.

Definition at line 87 of file tensor_filter_common.c.

◆ g_strfreev_const

#define g_strfreev_const ( x ) g_strfreev((void*)(long)(x))

Definition at line 88 of file tensor_filter_common.c.

◆ REGEX_ACCL_DELIMITER

#define REGEX_ACCL_DELIMITER "|"

Definition at line 63 of file tensor_filter_common.c.

◆ REGEX_ACCL_ELEM_DELIMITER

#define REGEX_ACCL_ELEM_DELIMITER "|"

Definition at line 57 of file tensor_filter_common.c.

◆ REGEX_ACCL_ELEM_END

#define REGEX_ACCL_ELEM_END ")?"

Definition at line 58 of file tensor_filter_common.c.

◆ REGEX_ACCL_ELEM_PREFIX

#define REGEX_ACCL_ELEM_PREFIX "(?<!!)"

Definition at line 55 of file tensor_filter_common.c.

◆ REGEX_ACCL_ELEM_START

#define REGEX_ACCL_ELEM_START "("

Basic elements to form accelerator regex forming

Definition at line 54 of file tensor_filter_common.c.

◆ REGEX_ACCL_ELEM_SUFFIX

#define REGEX_ACCL_ELEM_SUFFIX ""

Definition at line 56 of file tensor_filter_common.c.

◆ REGEX_ACCL_END

#define REGEX_ACCL_END ")*[)]?))"

Definition at line 64 of file tensor_filter_common.c.

◆ REGEX_ACCL_PREFIX

#define REGEX_ACCL_PREFIX ""

Definition at line 61 of file tensor_filter_common.c.

◆ REGEX_ACCL_START

#define REGEX_ACCL_START "(^(true)[:]?([(]?("

Definition at line 60 of file tensor_filter_common.c.

◆ REGEX_ACCL_SUFFIX

#define REGEX_ACCL_SUFFIX ""

Definition at line 62 of file tensor_filter_common.c.

◆ silent_debug_info

#define silent_debug_info	(	i,
		msg
	)

Value:

  do { \
  if (DBG) { \
    guint info_idx; \
    gchar *dim_str; \
    ml_logd (msg " total %d", (i)->num_tensors); \
    for (info_idx = 0; info_idx < (i)->num_tensors; info_idx++) { \
      GstTensorInfo *nth = gst_tensors_info_get_nth_info (i, info_idx); \
      if (nth) { \
        dim_str = gst_tensor_get_dimension_string (nth->dimension); \
        ml_logd ("[%d] type=%d dim=%s", info_idx, nth->type, dim_str); \
        g_free (dim_str); \
      } \
    } \
  } \
} while (0)

Definition at line 35 of file tensor_filter_common.c.

Function Documentation

◆ _detect_framework_from_config()

static gchar* _detect_framework_from_config ( const gchar * extension )

static

Get available framework from config.

key str: framework_priority_<file ext> (e.g., for tensorflow-lite model, model_file.tflite, key str is 'framework_priority_tflite'.

Definition at line 1185 of file tensor_filter_common.c.

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◆ _gtfc_setprop_ACCELERATOR()

static gint _gtfc_setprop_ACCELERATOR	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_ACCELERATOR" for set-property.

Definition at line 1658 of file tensor_filter_common.c.

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◆ _gtfc_setprop_CUSTOM()

static gint _gtfc_setprop_CUSTOM	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_CUSTOM" for set-property.

Definition at line 1627 of file tensor_filter_common.c.

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◆ _gtfc_setprop_DIMENSION()

static gint _gtfc_setprop_DIMENSION	(	GstTensorFilterPrivate *	priv,
		const GValue *	value,
		const gboolean	is_input
	)

static

Handle "PROP_INPUT" and "PROP_OUTPUT" for set-property.

Once configured, it cannot be changed in runtime for now

Definition at line 1490 of file tensor_filter_common.c.

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◆ _gtfc_setprop_FRAMEWORK()

static gint _gtfc_setprop_FRAMEWORK	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_FRAMEWORK" for set-property.

set PROP_IS_UPDATABLE in case it was set before framework

set PROP_ACCELERATOR in case it was set before framework

Definition at line 1381 of file tensor_filter_common.c.

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◆ _gtfc_setprop_INPUTCOMBINATION()

static gint _gtfc_setprop_INPUTCOMBINATION	(	GstTensorFilterPrivate *	priv,
		GList **	prop_list,
		const GValue *	value
	)

static

Handle "PROP_INPUTCOMBINATION" for set-property.

Definition at line 1843 of file tensor_filter_common.c.

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◆ _gtfc_setprop_IS_UPDATABLE()

static gint _gtfc_setprop_IS_UPDATABLE	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_IS_UPDATABLE" for set-property.

Definition at line 1710 of file tensor_filter_common.c.

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◆ _gtfc_setprop_LATENCY()

static gint _gtfc_setprop_LATENCY	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_LATENCY" for set-property.

Definition at line 1799 of file tensor_filter_common.c.

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◆ _gtfc_setprop_LAYOUT()

static gint _gtfc_setprop_LAYOUT	(	GstTensorFilterPrivate *	priv,
		const GValue *	value,
		const gboolean	is_input
	)

static

Handle "PROP_INPUTLAYOUT" and "PROP_OUTPUTLAYOUT" for set-property.

Update the properties

Definition at line 1732 of file tensor_filter_common.c.

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◆ _gtfc_setprop_MODEL()

static gint _gtfc_setprop_MODEL	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_MODEL" for set-property.

Store a copy of the original prop in case the reload fails

Reload model if FW has been already opened; In the case of reloading model files, each priv->fw (tensor filter for each nnfw) has responsibility for the verification of the path regardless of priv->fw->verify_model_path.

original prop is sent and not the updated prop

Definition at line 1428 of file tensor_filter_common.c.

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◆ _gtfc_setprop_NAME()

static gint _gtfc_setprop_NAME	(	GstTensorFilterPrivate *	priv,
		const GValue *	value,
		const gboolean	is_input
	)

static

Handle "PROP_INPUTNAME" and "PROP_OUTPUTNAME" for set-property.

Once configured, it cannot be changed in runtime for now

Definition at line 1588 of file tensor_filter_common.c.

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◆ _gtfc_setprop_OUTPUTCOMBINATION()

static gint _gtfc_setprop_OUTPUTCOMBINATION	(	GstTensorFilterPrivate *	priv,
		GList **	prop_list1,
		GList **	prop_list2,
		const GValue *	value
	)

static

Handle "PROP_OUTPUTCOMBINATION" for set-property.

Definition at line 1874 of file tensor_filter_common.c.

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◆ _gtfc_setprop_PROP_INVOKE_DYNAMIC()

static gint _gtfc_setprop_PROP_INVOKE_DYNAMIC	(	GstTensorFilterPrivate *	priv,
		const GValue *	value
	)

static

Handle "PROP_INVOKE_DYNAMIC" for set-property.

Definition at line 1937 of file tensor_filter_common.c.

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◆ _gtfc_setprop_SHARED_TENSOR_FILTER_KEY()

static gint _gtfc_setprop_SHARED_TENSOR_FILTER_KEY	(	GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_SHARED_TENSOR_FILTER_KEY" for set-property.

Definition at line 1917 of file tensor_filter_common.c.

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◆ _gtfc_setprop_SUSPEND()

static gint _gtfc_setprop_SUSPEND	(	GstTensorFilterPrivate *	priv,
		const GValue *	value
	)

static

Handle "PROP_SUSPEND" for set-property.

Definition at line 1950 of file tensor_filter_common.c.

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◆ _gtfc_setprop_THROUGHPUT()

static gint _gtfc_setprop_THROUGHPUT	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const GValue *	value
	)

static

Handle "PROP_THROUGHPUT" for set-property.

Definition at line 1821 of file tensor_filter_common.c.

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◆ _gtfc_setprop_TYPE()

static gint _gtfc_setprop_TYPE	(	GstTensorFilterPrivate *	priv,
		const GValue *	value,
		const gboolean	is_input
	)

static

Handle "PROP_INPUTTYPE" and "PROP_OUTPUTTYPE" for set-property.

Once configured, it cannot be changed in runtime for now

Definition at line 1549 of file tensor_filter_common.c.

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◆ accl_hw_get_type()

static GType accl_hw_get_type ( void )

static

to get and register hardware accelerator backend enum

Definition at line 2883 of file tensor_filter_common.c.

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◆ add_basic_supported_accelerators()

static const gchar** add_basic_supported_accelerators ( const gchar ** supported_accelerators )

static

Added basic accelerators (auto, default) to supported accelerators.

Note: returned array must be freed by the caller

Count number of elements for the array

Allocate the array

Fill the array

Definition at line 2686 of file tensor_filter_common.c.

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◆ create_regex()

static gchar* create_regex	(	const gchar **	enum_list,
		const gchar **	regex_utils
	)

static

create regex for the given string list and regex basic elements

Parameters

[in]	enum_list	list of strings to form regex for
[in]	regex_utils	list of basic elements to form regex

Returns: the formed regex (to be freed by the caller), NULL on error

create the regex string

escape the special characters

Definition at line 431 of file tensor_filter_common.c.

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◆ filter_supported_accelerators()

static const gchar** filter_supported_accelerators ( const gchar ** supported_accelerators )

static

Filter accelerators based on the runtime system.

Note: returned array must be freed by the caller

This filters out NEON accelerator if the system running the tensor_filter does not support NEON instructions

Count number of elements for the array

Allocate the array

Fill the array

Definition at line 2722 of file tensor_filter_common.c.

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◆ G_LOCK_DEFINE_STATIC()

G_LOCK_DEFINE_STATIC ( shared_model_table )

mutex for shared model table.

◆ get_accl_hw_str()

const gchar* get_accl_hw_str ( const accl_hw key )

return string based on accl_hw type

Parameters

key	The key enum value

Returns: Corresponding string. Returns ACCL_NONE_STR if not found.

Note: Do not free the returned char *

Definition at line 2598 of file tensor_filter_common.c.

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◆ get_accl_hw_type()

accl_hw get_accl_hw_type ( const gchar * key )

return accl_hw type from string

Parameters

key	The key string value

Returns: Corresponding index. Returns ACCL_NONE if not found.

Definition at line 2577 of file tensor_filter_common.c.

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◆ gst_tensor_filter_allocate_in_invoke()

gboolean gst_tensor_filter_allocate_in_invoke ( GstTensorFilterPrivate * priv )

check if the allocate_in_invoke is valid for the framework

Parameters

[in] priv Struct containing the properties of the object

Returns: TRUE if valid, FALSE on error

Definition at line 757 of file tensor_filter_common.c.

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◆ gst_tensor_filter_check_hw_availability()

gboolean gst_tensor_filter_check_hw_availability	(	const gchar *	name,
		const accl_hw	hw,
		const char *	custom
	)

Check if the given hw is supported by the framework.

Note: This function is included in nnstreamer internal header for native APIs. When changing the declaration, you should update the internal header (nnstreamer_internal.h).

Only check for specific HW, DEFAULT/AUTO are always supported

Definition at line 2923 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_close_fw()

void gst_tensor_filter_common_close_fw ( GstTensorFilterPrivate * priv )

Close NN framework.

Definition at line 2560 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_free_property()

void gst_tensor_filter_common_free_property ( GstTensorFilterPrivate * priv )

Free the properties for tensor-filter.

Definition at line 1065 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_get_combined_in_info()

gboolean gst_tensor_filter_common_get_combined_in_info	(	GstTensorFilterPrivate *	priv,
		const GstTensorsInfo *	in,
		GstTensorsInfo *	combined
	)

Configure input tensor info with combi option.

Definition at line 2270 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_get_combined_out_info()

gboolean gst_tensor_filter_common_get_combined_out_info	(	GstTensorFilterPrivate *	priv,
		const GstTensorsInfo *	in,
		const GstTensorsInfo *	out,
		GstTensorsInfo *	combined
	)

Configure output tensor info with combi option.

Definition at line 2315 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_get_out_info()

gboolean gst_tensor_filter_common_get_out_info	(	GstTensorFilterPrivate *	priv,
		GstTensorsInfo *	in,
		GstTensorsInfo *	out
	)

Get output tensor info from NN model with given input info.

Definition at line 2374 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_get_property()

gboolean gst_tensor_filter_common_get_property	(	GstTensorFilterPrivate *	priv,
		guint	prop_id,
		GValue *	value,
		GParamSpec *	pspec
	)

Get the properties for tensor_filter.

Parameters

[in]	priv	Struct containing the properties of the object
[in]	prop_id	Id for the property
[in]	value	Container to return the asked property
[in]	pspec	Metadata to specify the parameter

Returns: TRUE if prop_id is value, else FALSE

Definition at line 2102 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_init_property()

void gst_tensor_filter_common_init_property ( GstTensorFilterPrivate * priv )

Initialize the properties for tensor-filter.

Definition at line 1041 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_open_fw()

void gst_tensor_filter_common_open_fw ( GstTensorFilterPrivate * priv )

Open NN framework.

Definition at line 2491 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_set_property()

gboolean gst_tensor_filter_common_set_property	(	GstTensorFilterPrivate *	priv,
		guint	prop_id,
		const GValue *	value,
		GParamSpec *	pspec
	)

Set the properties for tensor_filter.

Parameters

[in]	priv	Struct containing the properties of the object
[in]	prop_id	Id for the property
[in]	value	Container to return the asked property
[in]	pspec	Metadata to specify the parameter

Returns: TRUE if prop_id is value, else FALSE

Although no one return !0 at this point, let's enable error handling.

Definition at line 1967 of file tensor_filter_common.c.

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◆ gst_tensor_filter_common_unload_fw()

void gst_tensor_filter_common_unload_fw ( GstTensorFilterPrivate * priv )

Unload NN framework.

Definition at line 2545 of file tensor_filter_common.c.

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◆ gst_tensor_filter_destroy_notify_util()

void gst_tensor_filter_destroy_notify_util	(	GstTensorFilterPrivate *	priv,
		void *	data
	)

Free the data allocated for tensor filter output.

Parameters

[in]	priv	Struct containing the properties of the object
[in]	data	Data to be freed

Definition at line 786 of file tensor_filter_common.c.

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◆ gst_tensor_filter_detect_framework()

gchar* gst_tensor_filter_detect_framework	(	const gchar const	model_files,
		const guint	num_models,
		const gboolean	load_conf
	)

Get neural network framework name from given model file. This does not guarantee the framework is available on the target device.

Parameters

[in]	model_files	the prediction model paths
[in]	num_models	the number of model files
[in]	load_conf	flag to load configuration for the priority of framework

Returns: Possible framework name (NULL if it fails to detect automatically). Caller should free returned value using g_free().

Note: This function is included in nnstreamer internal header for native APIs. When changing the declaration, you should update the internal header (nnstreamer_internal.h).

Note: When adding new file extension for auto fw detection, you should check the condition to validate model file - ml_validate_model_file() in ML-API.

Definition at line 1232 of file tensor_filter_common.c.

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◆ gst_tensor_filter_framework_info_init()

static void gst_tensor_filter_framework_info_init ( GstTensorFilterFrameworkInfo * info )

static

Initialize the GstTensorFilterFrameworkInfo object.

Definition at line 528 of file tensor_filter_common.c.

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◆ gst_tensor_filter_get_available_framework()

static void gst_tensor_filter_get_available_framework	(	GstTensorFilterPrivate *	priv,
		const char *	fw_name
	)

static

automatically selecting framework for tensor filter

Parameters

[in]	priv	Struct containing the properties of the object
[in]	fw_name	Framework name

Get framework info for v1

update the accelerator if already set based on v0 or v1

Definition at line 1317 of file tensor_filter_common.c.

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◆ gst_tensor_filter_get_dimension_string()

static gchar* gst_tensor_filter_get_dimension_string	(	const GstTensorFilterProperties *	prop,
		const gboolean	isInput
	)

static

Get the dimension string of tensors considering rank count.

Parameters

[in]	prop	GstTensorFilterProperties object
	isInput	TRUE if target is input tensors

Returns: dimension string of tensors

Note: If rank count is 3, then returned string is 'd1:d2:d3`.

Definition at line 259 of file tensor_filter_common.c.

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◆ gst_tensor_filter_get_layout_string()

static gchar* gst_tensor_filter_get_layout_string	(	const GstTensorFilterProperties *	prop,
		const gboolean	is_input
	)

static

Get the string of layout of tensors.

Parameters

layout layout of the tensors

Returns: string of layouts in tensors

Note: The returned value should be freed with g_free()

Definition at line 372 of file tensor_filter_common.c.

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◆ gst_tensor_filter_get_name_string()

static gchar* gst_tensor_filter_get_name_string	(	const GstTensorFilterProperties *	prop,
		const gboolean	is_input
	)

static

Get the name string of tensors.

Parameters

[in]	prop	GstTensorFilterProperties object
	is_input	TRUE if target is input tensors

Returns: name string of tensors

Definition at line 327 of file tensor_filter_common.c.

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◆ gst_tensor_filter_get_rank_string()

static gchar* gst_tensor_filter_get_rank_string	(	const GstTensorFilterProperties *	prop,
		gboolean	isInput
	)

static

Get the rank string of the tensors.

Parameters

prop	GstTensorFilterProperties object
isInput	TRUE if target is input tensors

Returns: rank string of the tensors

Definition at line 211 of file tensor_filter_common.c.

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◆ gst_tensor_filter_get_type_string()

static gchar* gst_tensor_filter_get_type_string	(	const GstTensorFilterProperties *	prop,
		const gboolean	is_input
	)

static

Get the type string of tensors.

Parameters

[in]	prop	GstTensorFilterProperties object
	is_input	TRUE if target is input tensors

Returns: type string of tensors

Definition at line 304 of file tensor_filter_common.c.

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◆ gst_tensor_filter_install_properties()

void gst_tensor_filter_install_properties ( GObjectClass * gobject_class )

Installs all the properties for tensor_filter.

Parameters

[in] gobject_class Glib object class whose properties will be set

min

max

default: off

min

max

default: off

Definition at line 888 of file tensor_filter_common.c.

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◆ gst_tensor_filter_load_tensor_info()

void gst_tensor_filter_load_tensor_info ( GstTensorFilterPrivate * priv )

Load tensor info from NN model. (both input and output tensor)

if set-property called and already has info, verify it!

In case of dynamic invoke, output tensors info is determined after invoke.

if set-property called and already has info, verify it!

Definition at line 2409 of file tensor_filter_common.c.

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◆ gst_tensor_filter_parse_accelerator()

static void gst_tensor_filter_parse_accelerator	(	GstTensorFilterPrivate *	priv,
		GstTensorFilterProperties *	prop,
		const char *	accelerators
	)

static

Parse the hardware accelerators to be used for this framework.

Parameters

[in]	priv	Struct containing the properties of the object
[in]	prop	Struct containing the properties of the framework
[in]	accelerators	user given input for hardware accelerators

Note: The order of preference set by the user is maintained

Get h/w accelerators supported by framework (V1 only)

Convert the list to string format Extra 2 entries for basic accelerators : auto and default

Parse the user given h/w accelerators intersected with supported h/w

Convert the GList to regular array

Definition at line 1123 of file tensor_filter_common.c.

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◆ gst_tensor_filter_parse_modelpaths_string()

static void gst_tensor_filter_parse_modelpaths_string	(	GstTensorFilterProperties *	prop,
		const gchar *	model_files
	)

static

Parse the string of model.

Parameters

[out]	prop	Struct containing the properties of the object
[in]	model_files	the prediction model paths

Definition at line 728 of file tensor_filter_common.c.

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◆ gst_tensor_filter_properties_init()

static void gst_tensor_filter_properties_init ( GstTensorFilterProperties * prop )

static

Initialize the GstTensorFilterProperties object.

Definition at line 510 of file tensor_filter_common.c.

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◆ gst_tensor_filter_property_to_string()

static void gst_tensor_filter_property_to_string	(	GValue *	value,
		GstTensorFilterPrivate *	priv,
		guint	prop_id
	)

static

Convert GList to GValue.

Definition at line 2063 of file tensor_filter_common.c.

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◆ gst_tensor_filter_statistics_init()

static void gst_tensor_filter_statistics_init ( GstTensorFilterStatistics * stat )

static

Initialize the GstTensorFilterFrameworkInfo object.

Definition at line 545 of file tensor_filter_common.c.

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◆ gst_tensor_get_layout_string()

static const gchar* gst_tensor_get_layout_string ( tensor_layout layout )

static

Get layout string of tensor layout.

Parameters

layout layout of the tensor

Returns: string of layout in tensor

Definition at line 349 of file tensor_filter_common.c.

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◆ gst_tensor_parse_layout_string()

static tensor_layout gst_tensor_parse_layout_string ( const gchar * layoutstr )

static

Get tensor layout from string input.

Returns: Corresponding tensor_layout.

Definition at line 134 of file tensor_filter_common.c.

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◆ gst_tensors_layout_init()

static void gst_tensors_layout_init ( tensors_layout layout )

static

Initialize the tensors layout.

Definition at line 108 of file tensor_filter_common.c.

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◆ gst_tensors_parse_layouts_string()

static guint gst_tensors_parse_layouts_string	(	tensors_layout	layout,
		const gchar *	layout_string
	)

static

Parse the string of tensor layouts.

Parameters

layout	layout of the tensors
layout_string	string of layout

Returns: number of parsed layouts

Definition at line 173 of file tensor_filter_common.c.

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◆ gst_tensors_rank_init()

static void gst_tensors_rank_init ( unsigned int ranks[] )

static

Initialize the tensors ranks.

Definition at line 121 of file tensor_filter_common.c.

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◆ gst_tensorsinfo_compare_print()

void gst_tensorsinfo_compare_print	(	const GstTensorsInfo *	info1,
		const GstTensorsInfo *	info2
	)

Printout the comparison results of two tensors.

Parameters

[in]	info1	The tensors to be shown on the left hand side
[in]	info2	The tensors to be shown on the right hand side

Definition at line 874 of file tensor_filter_common.c.

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◆ gst_tensorsinfo_compare_to_string()

gchar* gst_tensorsinfo_compare_to_string	(	const GstTensorsInfo *	info1,
		const GstTensorsInfo *	info2
	)

Printout the comparison results of two tensors as a string.

Parameters

[in]	info1	The tensors to be shown on the left hand side
[in]	info2	The tensors to be shown on the right hand side

Returns: The printout string allocated. Caller should free the value.

Definition at line 811 of file tensor_filter_common.c.

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◆ nnstreamer_filter_exit()

void nnstreamer_filter_exit ( const char * name )

Filter's sub-plugin may call this to unregister itself.

Parameters

[in] name The name of filter sub-plugin.

Definition at line 638 of file tensor_filter_common.c.

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◆ nnstreamer_filter_find()

const GstTensorFilterFramework* nnstreamer_filter_find ( const char * name )

Find filter sub-plugin with the name.

Parameters

[in] name The name of filter sub-plugin.

Returns: NULL if not found or the sub-plugin object has an error.

Definition at line 697 of file tensor_filter_common.c.

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◆ nnstreamer_filter_find_best_fit()

static const GstTensorFilterFramework* nnstreamer_filter_find_best_fit ( const char * names )

static

Find sub-plugin filter given the name list.

Parameters

[in] names comma, whitespace separated list of the sub-plugin name

Returns: the best-fit sub-plugin object or NULL if not found.

Definition at line 664 of file tensor_filter_common.c.

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◆ nnstreamer_filter_probe()

int nnstreamer_filter_probe ( GstTensorFilterFramework * tfsp )

Filter's sub-plugin should call this function to register itself.

Parameters

[in] tfsp Tensor-Filter Sub-Plugin to be registered.

Returns: TRUE if registered. FALSE is failed or duplicated.

Definition at line 611 of file tensor_filter_common.c.

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◆ nnstreamer_filter_set_custom_property_desc()

void nnstreamer_filter_set_custom_property_desc	(	const char *	name,
		const char *	prop,
			...
	)

set custom property description for tensor filter sub-plugin

Definition at line 647 of file tensor_filter_common.c.

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◆ nnstreamer_filter_shared_model_get()

void* nnstreamer_filter_shared_model_get	(	void *	instance,
		const char *	key
	)

Get the shared model representation that is already shared and has the same key.

Parameters

[in]	instance	The instance that is sharing the model representation. It will be registered at the referred list.
[in]	key	The key to find the matched shared representation.

Returns: The model interpreter. NULL if it does not exist.

Definition at line 2993 of file tensor_filter_common.c.

◆ nnstreamer_filter_shared_model_insert_and_get()

void* nnstreamer_filter_shared_model_insert_and_get	(	void *	instance,
		char *	key,
		void *	interpreter
	)

Insert the new shared model representation and get the value.

Parameters

[in]	instance	The instance that is sharing the model representation. It will be registered at the referred list.
[in]	key	The key for shared model.
[in]	interpreter	The interpreter to be shared.

Returns: The model interpreter inserted. NULL if it is already inserted.

Internal error case. The interpreter already exists in shared table, do not insert and return null.

Definition at line 3026 of file tensor_filter_common.c.

◆ nnstreamer_filter_shared_model_remove()

int nnstreamer_filter_shared_model_remove	(	void *	instance,
		const char *	key,
		void()(void )	free_callback
	)

Remove the instance registered at the referred list of shared model table. If referred list is empty, free_callback is executed.

Parameters

[in]	instance	The instance that should be removed from the referred list.
[in]	key	The key to find the shared model.
[in]	free_callback	The callback function to destroy the interpreter, which takes the interpreter as arg.

Returns: TRUE if the instance is removed. FALSE if failed to remove it.

Definition at line 3081 of file tensor_filter_common.c.

◆ nnstreamer_filter_shared_model_replace()

void nnstreamer_filter_shared_model_replace	(	void *	instance,
		const char *	key,
		void *	new_interpreter,
		void()(void , void *)	replace_callback,
		void()(void )	free_callback
	)

Helper to reload interpreter for instances that has shared key. replace_callback is called iterating instances in referred list.

Parameters

[in]	instance	The instance that is sharing the model representation.
[in]	key	The key to find the shared model.
[in]	interpreter	The new interpreter to replace.
[in]	replace_callback	The callback function to replace with new interpreter.
[in]	free_callback	The callback function to destroy the old interpreter.

Definition at line 3128 of file tensor_filter_common.c.

◆ nnstreamer_filter_validate()

static gboolean nnstreamer_filter_validate ( const GstTensorFilterFramework * tfsp )

static

Validate filter sub-plugin's data.

Mandatory callbacks are not defined

Definition at line 560 of file tensor_filter_common.c.

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◆ parse_accl_hw_all()

static GList * parse_accl_hw_all	(	const gchar *	accelerators,
		const gchar **	supported_accelerators
	)

static

parse user given string to extract list of accelerators based on given regex

Parameters

[in]	accelerators	user given input
[in]	supported_accelerators	list of supported accelerators

Returns: Corresponding list of accelerators maintaining given order

Note: Returned list must be freed by the caller

Default to auto mode

Now match each provided element and get specific accelerator

Definition at line 2620 of file tensor_filter_common.c.

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◆ parse_accl_hw_fill()

accl_hw parse_accl_hw_fill ( parse_accl_args accl_args )

parse user given string to extract accelerator based on given regex filling in optional arguments

Note

The order of arguments for calling this function is:

in_accl: user provided input accelerator string
sup_accl: list of supported accelerator
auto_accl: auto accelerator (optional)
def_accl: default accelerator (optional)

remove unsupported accelerators from this list based on runtime system

filtered supported accelerators can be empty

update default accelerator if it is not available at runtime

update auto accelerator if it is not available at runtime

Definition at line 2833 of file tensor_filter_common.c.

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◆ parse_accl_hw_util()

static accl_hw parse_accl_hw_util	(	const gchar *	accelerators,
		const gchar **	supported_accelerators,
		const gchar *	auto_accelerator,
		const gchar *	default_accelerator
	)

static

parse user given string to extract accelerator based on given regex

Parameters

[in]	accelerators	user given input
[in]	supported_accelerators	list of supported accelerators
[in]	auto_accelerator	accelerator to use in auto case (when acceleration is enabled but specific accelerator is not provided or not matching)
[in]	default_accelerator	accelerator to use by default

Returns: Corresponding accelerator. Returns ACCL_NONE if not found.

add auto and default accelerator into list of supported accelerators

This can be ACCL_NONE (no acceleration) or a specific accelerator

Definition at line 2763 of file tensor_filter_common.c.

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◆ runtime_check_supported_accelerator()

static gint runtime_check_supported_accelerator ( const gchar * accl )

static

Check if this accelerator can be used based on the runtime system.

Return values

0	if filter can be used, -errno otherwise

Allocate the array

Fill the array

Definition at line 2804 of file tensor_filter_common.c.

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◆ strcpy2()

static gchar* strcpy2	(	gchar *	dest,
		const gchar *	src
	)

static

copy the string from src to destination

Parameters

[in]	dest	destination string
[in]	src	source string

Returns: updated destination string

Definition at line 414 of file tensor_filter_common.c.

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◆ verify_model_path()

static gboolean verify_model_path ( const GstTensorFilterPrivate * priv )

inlinestatic

Verify validity of path for given model file if verify_model_path is set.

Parameters

[in] priv Struct containing the common tensor-filter properties of the object

Returns: TRUE if there is no error

Definition at line 473 of file tensor_filter_common.c.

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Variable Documentation

◆ regex_accl_elem_utils

const gchar* regex_accl_elem_utils[]

static

Initial value:

= {
  REGEX_ACCL_ELEM_START,
  REGEX_ACCL_ELEM_PREFIX,
  REGEX_ACCL_ELEM_SUFFIX,
  REGEX_ACCL_ELEM_DELIMITER,
  REGEX_ACCL_ELEM_END,
  NULL
}

Definition at line 75 of file tensor_filter_common.c.

◆ regex_accl_utils

const gchar* regex_accl_utils[]

static

Initial value:

= {
  REGEX_ACCL_START,
  REGEX_ACCL_PREFIX,
  REGEX_ACCL_SUFFIX,
  REGEX_ACCL_DELIMITER,
  REGEX_ACCL_END,
  NULL
}

Definition at line 66 of file tensor_filter_common.c.

◆ shared_model_table

GHashTable* shared_model_table = NULL

static

Definition at line 102 of file tensor_filter_common.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ g_free_const

◆ g_strfreev_const

◆ REGEX_ACCL_DELIMITER

◆ REGEX_ACCL_ELEM_DELIMITER

◆ REGEX_ACCL_ELEM_END

◆ REGEX_ACCL_ELEM_PREFIX

◆ REGEX_ACCL_ELEM_START

◆ REGEX_ACCL_ELEM_SUFFIX

◆ REGEX_ACCL_END

◆ REGEX_ACCL_PREFIX

◆ REGEX_ACCL_START

◆ REGEX_ACCL_SUFFIX

◆ silent_debug_info

Function Documentation

◆ _detect_framework_from_config()

◆ _gtfc_setprop_ACCELERATOR()

◆ _gtfc_setprop_CUSTOM()

◆ _gtfc_setprop_DIMENSION()

◆ _gtfc_setprop_FRAMEWORK()

◆ _gtfc_setprop_INPUTCOMBINATION()

◆ _gtfc_setprop_IS_UPDATABLE()

◆ _gtfc_setprop_LATENCY()

◆ _gtfc_setprop_LAYOUT()

◆ _gtfc_setprop_MODEL()

◆ _gtfc_setprop_NAME()

◆ _gtfc_setprop_OUTPUTCOMBINATION()

◆ _gtfc_setprop_PROP_INVOKE_DYNAMIC()

◆ _gtfc_setprop_SHARED_TENSOR_FILTER_KEY()

◆ _gtfc_setprop_SUSPEND()

◆ _gtfc_setprop_THROUGHPUT()

◆ _gtfc_setprop_TYPE()

◆ accl_hw_get_type()

◆ add_basic_supported_accelerators()

◆ create_regex()

◆ filter_supported_accelerators()

◆ G_LOCK_DEFINE_STATIC()

◆ get_accl_hw_str()

◆ get_accl_hw_type()

◆ gst_tensor_filter_allocate_in_invoke()

◆ gst_tensor_filter_check_hw_availability()

◆ gst_tensor_filter_common_close_fw()

◆ gst_tensor_filter_common_free_property()

◆ gst_tensor_filter_common_get_combined_in_info()

◆ gst_tensor_filter_common_get_combined_out_info()

◆ gst_tensor_filter_common_get_out_info()

◆ gst_tensor_filter_common_get_property()

◆ gst_tensor_filter_common_init_property()

◆ gst_tensor_filter_common_open_fw()

◆ gst_tensor_filter_common_set_property()

◆ gst_tensor_filter_common_unload_fw()

◆ gst_tensor_filter_destroy_notify_util()

◆ gst_tensor_filter_detect_framework()

◆ gst_tensor_filter_framework_info_init()

◆ gst_tensor_filter_get_available_framework()

◆ gst_tensor_filter_get_dimension_string()

◆ gst_tensor_filter_get_layout_string()

◆ gst_tensor_filter_get_name_string()

◆ gst_tensor_filter_get_rank_string()

◆ gst_tensor_filter_get_type_string()

◆ gst_tensor_filter_install_properties()

◆ gst_tensor_filter_load_tensor_info()

◆ gst_tensor_filter_parse_accelerator()

◆ gst_tensor_filter_parse_modelpaths_string()

◆ gst_tensor_filter_properties_init()

◆ gst_tensor_filter_property_to_string()

◆ gst_tensor_filter_statistics_init()

◆ gst_tensor_get_layout_string()

◆ gst_tensor_parse_layout_string()

◆ gst_tensors_layout_init()

◆ gst_tensors_parse_layouts_string()

◆ gst_tensors_rank_init()

◆ gst_tensorsinfo_compare_print()

◆ gst_tensorsinfo_compare_to_string()

◆ nnstreamer_filter_exit()

◆ nnstreamer_filter_find()