ni_filter_utils.c File Reference

#include "ni_generic_utils.h"
#include "ni_filter_utils.h"
#include "ni_log.h"
#include "ni_util.h"

Go to the source code of this file.

Functions
int	ni_scaler_params_set_value (ni_scale_params_t *params, const char *name, const char *value)
int	ni_drawbox_params_set_value (ni_drawbox_params_t *params, const char *name, const char *value)
int	ni_ai_pre_params_set_value (ni_ai_pre_params_t *params, const char *name, const char *value)
int	retrieve_filter_params (char filter_params[], ni_scale_params_t *scale_params, ni_drawbox_params_t *drawbox_params, ni_ai_pre_params_t *ai_pre_params)
void	init_scaler_params (ni_scaler_input_params_t *p_scaler_params, ni_scaler_opcode_t op, int in_rec_width, int in_rec_height, int in_rec_x, int in_rec_y, int out_rec_x, int out_rec_y)
	Init scaler params here - both user setting params and fixed params.
int	scaler_session_open (ni_session_context_t *p_scaler_ctx, int iXcoderGUID, ni_scaler_opcode_t op)
	open scaler session
int	launch_scaler_operation (ni_session_context_t *p_scaler_ctx, int iXcoderGUID, ni_frame_t *p_frame_in_up, ni_frame_t *p_frame_in_bg, ni_session_data_io_t *p_data_out, ni_scaler_input_params_t scaler_params)
	Launch scaler operation and get the result hw frame.
int	drawbox_filter (ni_session_context_t *p_crop_ctx, ni_session_context_t *p_pad_ctx, ni_session_context_t *p_overlay_ctx, ni_session_context_t *p_fmt_ctx, ni_frame_t *p_frame_in, ni_session_data_io_t *p_data_out, ni_drawbox_params_t *p_box_params, int iXcoderGUID, int input_format, int output_format)
	Use crop->pad->overlay to simulate a drawbox filter.
int	scale_filter (ni_session_context_t *p_ctx, ni_frame_t *p_frame_in, ni_session_data_io_t *p_data_out, int iXcoderGUID, int scale_width, int scale_height, int in_format, int out_format)
	Do a scale and/or format-change operation.
int	ai_pre_filter_init (ni_session_context_t *p_ai_ctx, ni_network_data_t *p_network, int iXcoderGUID, ni_ai_pre_params_t *params, int in_width, int in_height, int in_gc620_format)
	Open an AI session, configure the network binary and create the hardware output frame pool used by the ai_pre filter.
int	ai_pre_filter (ni_session_context_t *p_ai_ctx, ni_network_data_t *p_network, ni_frame_t *p_frame_in, ni_session_data_io_t *p_data_out, ni_ai_pre_params_t *params, int in_gc620_format)
	Run one AI preprocess operation on a hardware frame. The output is a new hardware frame preserving the input pixel format.

Function Documentation

ai_pre_filter()

int ai_pre_filter	(	ni_session_context_t *	p_ai_ctx,
		ni_network_data_t *	p_network,
		ni_frame_t *	p_frame_in,
		ni_session_data_io_t *	p_data_out,
		ni_ai_pre_params_t *	params,
		int	in_gc620_format
	)

Run one AI preprocess operation on a hardware frame. The output is a new hardware frame preserving the input pixel format.

---

Returns

0 if successful, < 0 otherwise

Definition at line 679 of file ni_filter_utils.c.

ai_pre_filter_init()

int ai_pre_filter_init	(	ni_session_context_t *	p_ai_ctx,
		ni_network_data_t *	p_network,
		int	iXcoderGUID,
		ni_ai_pre_params_t *	params,
		int	in_width,
		int	in_height,
		int	in_gc620_format
	)

Open an AI session, configure the network binary and create the hardware output frame pool used by the ai_pre filter.

---

The ai_pre engine preserves the input pixel format (the input/output format pairing is decided by the loaded .nb model).

Returns

0 if successful, < 0 otherwise

Definition at line 618 of file ni_filter_utils.c.

drawbox_filter()

int drawbox_filter	(	ni_session_context_t *	p_crop_ctx,
		ni_session_context_t *	p_pad_ctx,
		ni_session_context_t *	p_overlay_ctx,
		ni_session_context_t *	p_fmt_ctx,
		ni_frame_t *	p_frame_in,
		ni_session_data_io_t *	p_data_out,
		ni_drawbox_params_t *	p_box_params,
		int	iXcoderGUID,
		int	input_format,
		int	output_format
	)

Use crop->pad->overlay to simulate a drawbox filter.

---

Parameters

return 0 if successful, < 0 otherwise

Definition at line 443 of file ni_filter_utils.c.

init_scaler_params()

void init_scaler_params	(	ni_scaler_input_params_t *	p_scaler_params,
		ni_scaler_opcode_t	op,
		int	in_rec_width,
		int	in_rec_height,
		int	in_rec_x,
		int	in_rec_y,
		int	out_rec_x,
		int	out_rec_y
	)

Init scaler params here - both user setting params and fixed params.

---

Parameters

return 0 if successful, < 0 otherwise

Definition at line 246 of file ni_filter_utils.c.

launch_scaler_operation()

int launch_scaler_operation	(	ni_session_context_t *	p_scaler_ctx,
		int	iXcoderGUID,
		ni_frame_t *	p_frame_in_up,
		ni_frame_t *	p_frame_in_bg,
		ni_session_data_io_t *	p_data_out,
		ni_scaler_input_params_t	scaler_params
	)

Launch scaler operation and get the result hw frame.

---

Parameters

return 0 if successful, < 0 otherwise

Definition at line 368 of file ni_filter_utils.c.

ni_ai_pre_params_set_value()

int ni_ai_pre_params_set_value	(	ni_ai_pre_params_t *	params,
		const char *	name,
		const char *	value
	)

Definition at line 128 of file ni_filter_utils.c.

ni_drawbox_params_set_value()

int ni_drawbox_params_set_value	(	ni_drawbox_params_t *	params,
		const char *	name,
		const char *	value
	)

Definition at line 83 of file ni_filter_utils.c.

ni_scaler_params_set_value()

int ni_scaler_params_set_value	(	ni_scale_params_t *	params,
		const char *	name,
		const char *	value
	)

Definition at line 33 of file ni_filter_utils.c.

retrieve_filter_params()

int retrieve_filter_params	(	char	filter_params[],
		ni_scale_params_t *	scale_params,
		ni_drawbox_params_t *	drawbox_params,
		ni_ai_pre_params_t *	ai_pre_params
	)

Definition at line 162 of file ni_filter_utils.c.

scale_filter()

int scale_filter	(	ni_session_context_t *	p_ctx,
		ni_frame_t *	p_frame_in,
		ni_session_data_io_t *	p_data_out,
		int	iXcoderGUID,
		int	scale_width,
		int	scale_height,
		int	in_format,
		int	out_format
	)

Do a scale and/or format-change operation.

---

Parameters

return 0 if successful, < 0 otherwise

Definition at line 581 of file ni_filter_utils.c.

scaler_session_open()

int scaler_session_open	(	ni_session_context_t *	p_scaler_ctx,
		int	iXcoderGUID,
		ni_scaler_opcode_t	op
	)

open scaler session

---

Parameters

return 0 if successful, < 0 otherwise

Definition at line 329 of file ni_filter_utils.c.