spandsp
3.0.0
private/agc_float.h
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/*
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* SpanDSP - a series of DSP components for telephony
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*
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* private/agcf.h - Floating point automatic gain control for modems.
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2024 Steve Underwood
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*! \file */
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#if !defined(_SPANDSP_PRIVATE_AGCF_H_)
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#define _SPANDSP_PRIVATE_AGCF_H_
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struct
agcf_state_s
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{
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agcf_descriptor_t desc;
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/* Used for DC blocking */
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float
dc_block_x;
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float
dc_block_y;
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float
gain;
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float
current_energy;
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int
current_samples;
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float
last_power;
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int8_t signal_on_persistence;
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int8_t signal_off_persistence;
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/* True if the AGC should be adapting */
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bool
adapt;
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/* True if the AGC should be detecting a signal */
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bool
detect;
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bool
scale_signal;
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bool
signal_present;
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/*! */
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logging_state_t
logging;
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};
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#endif
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/*- End of file ------------------------------------------------------------*/
logging_state_t
struct logging_state_s logging_state_t
Definition
logging.h:72
agcf_state_s
Definition
private/agc_float.h:32
src
spandsp
private
agc_float.h
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