Configuration File

Introduction

The wiki page contains information about Steno application parameters contained in the steno.conf file. This file is automatically generated when the application first run.

APP

Parameter	Type	Description
OUTPUT_FOLDER	string	Path of the directory where the output files will be written
MICROPHONE_CONFIGURATION	string	Path of the microphone configuration
ODAS_LIBRARY	string	Path of ODAS library

AUDIO_INPUT and AUDIO_OUTPUT

Parameter	Type	Description
DEVICE_NAME	string	Audio device name (if using Pulseaudio device)
CHANNELS	int	Channel count
RATE	int	Channels sampling rate
FORMAT_BYTES	int	Number of bytes in sample
IS_LITTLE_ENDIAN	bool	Sample format is little endian
PACKET_AUDIO_SIZE	int	Audio data size in bytes inside a packet from ODAS
PACKET_HEADER_SIZE	int	Header data size inside a packet from ODAS

DARKNET

Parameter	Type	Description
SLEEP_BETWEEN_LAYERS_FORWARD_US	int	Time application will sleep in nanoseconds between each network layers

DEWARPING

To understand these parameters see this page

Parameter	Type	Description
IN_RADIUS	int	Radius of inner circle of the donut (in pixels)
OUT_RADIUS	int	Radius of outer circle of the donut (in pixels)
ANGLE_SPAN	int	Angle span of donut slice used to generate detection images (in degrees)
TOP_DISTORSION_FACTOR	int	Change distortion in the top portion of dewarped images
BOTTOM_DISTORSION_FACTOR	int	Change distortion in the bottom portion of dewarped images
FISH_EYE_ANGLE	int	The angle of the fisheye lens as stated by the manufacturer (in degrees)
DETECTION_DEWARPING_COUNT	int	The number of dewarped images used for detection

STREAM

Parameter	Type	Description
ASPECT_RATIO_WIDTH	int	Width of desired output aspect ratio
ASPECT_RATIO_HEIGHT	int	Height of desired output aspect ratio
MIN_ELEVATION	int	Minimum elevation of virtual cameras (frame in final image) in degrees
MAX_ELEVATION	int	Maximum elevation of virtual cameras (frame in final image) in degrees

TRANSCRIPTION

Parameter	Type	Description
LANGUAGE	int	French(0) or English(1)
AUTOMATIC_TRANSCRIPTION	bool	Transcribe automatically after a recording
CERTIFICATE_PATH	string	Path of the certificate
CERTIFICATE_KEY_PATH	string	Path of the certificate key

VIDEO_INPUT and VIDEO_OUTPUT

Parameter	Type	Description
FPS	int	Frame per second
WIDTH	int	Width of the video device
HEIGHT	int	Height of the video device
DEVICE_NAME	string	Name of the video device
IMAGE_FORMAT	int	RGB_FMT(0), UYVY_FMT(1) or YUYV_FMT(2)