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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/>.
*/
/*!
\file odr-padenc.h
\brief Generate PAD data for MOT Slideshow and DLS
\author Sergio Sagliocco <sergio.sagliocco@csp.it>
\author Matthias P. Braendli <matthias@mpb.li>
\author Stefan Pöschel <odr@basicmaster.de>
*/
#include "common.h"
#include <atomic>
#include <stdlib.h>
#include <signal.h>
#include <string>
#include <thread>
#include <vector>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>
#include <unistd.h>
#include "pad_interface.h"
#include "pad_common.h"
#include "dls.h"
#include "sls.h"
using std::chrono::steady_clock;
// --- PadEncoderOptions -----------------------------------------------------------------
struct PadEncoderOptions {
uint8_t padlen = 0;
bool erase_after_tx = false;
int slide_interval = 10;
int label_interval = 12; // uniform PAD encoder only
int label_insertion = 1200; // uniform PAD encoder only
int xpad_interval = 1; // uniform PAD encoder only
size_t max_slide_size = SLSEncoder::MAXSLIDESIZE_SIMPLE;
bool raw_slides = false;
DL_PARAMS dl_params;
const char *sls_dir = nullptr;
std::string socket_ident;
std::vector<std::string> dls_files;
const char *item_state_file = nullptr;
std::string current_slide_dump_name;
std::string completed_slide_dump_name;
bool DLSEnabled() const { return !dls_files.empty(); }
bool SLSEnabled() const { return sls_dir; }
};
// --- PadEncoder -----------------------------------------------------------------
class PadEncoder {
protected:
PadEncoderOptions options;
PADPacketizer pad_packetizer;
DLSEncoder dls_encoder;
SLSEncoder sls_encoder;
SlideStore slides;
bool slides_success;
int curr_dls_file;
steady_clock::time_point next_slide;
steady_clock::time_point next_label;
steady_clock::time_point next_label_insertion;
size_t xpad_interval_counter;
int EncodeSlide();
int EncodeLabel();
static int CheckRereadFile(const std::string& type, const std::string& path);
public:
PadEncoder(PadEncoderOptions options);
virtual ~PadEncoder() {}
int Encode(PadInterface& intf);
};
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