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/*
Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://rd.csp.it/)
Copyright (C) 2014-2020 Matthias P. Braendli (http://opendigitalradio.org)
Copyright (C) 2015-2019 Stefan Pöschel (http://opendigitalradio.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <string>
#include <vector>
#include <cstdint>
#include <cstddef>
#include <cstdio>
/*! \file PadInterface.h
*
* Handles communication with ODR-PadEnc using a socket
*/
class PadInterface {
public:
/*! Create a new PAD data interface that binds to a socket and
* communicates with ODR-AudioEnc. If pad_ident contains '/', it's used as a full path.
* Otherwise, /tmp/ is prepended for backward compatibility.
* Sockets: pad_ident.padenc (this) and pad_ident.audioenc (ODR-AudioEnc)
*/
void open(const std::string &pad_ident);
/*! Receives a request from the audio encoder
*
* \return the desired padlen
*/
uint8_t receive_request();
void send_pad_data(const uint8_t *data, size_t len);
private:
std::string m_pad_ident;
int m_sock = -1;
bool m_audioenc_reachable = true;
};
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