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/*
Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in
Right of Canada (Communications Research Center Canada)
Copyright (C) 2013 Matthias P. Braendli
http://mpb.li
Fifo output is very similar to file, except it doesn't seek
*/
/*
This file is part of CRC-DabMux.
CRC-DabMux 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.
CRC-DabMux 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 CRC-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdio>
#include <cstring>
#include <fcntl.h>
#include <limits.h>
#include "dabOutput.h"
int DabOutputFifo::Write(void* buffer, int size)
{
uint8_t padding[6144];
switch (this->type_) {
case ETI_FILE_TYPE_FRAMED:
if (this->nbFrames_ == 0) {
uint32_t nbFrames = (uint32_t)-1;
// Writing nb frames
if (write(this->file_, &nbFrames, 4) == -1)
goto FIFO_WRITE_ERROR;
}
case ETI_FILE_TYPE_STREAMED:
// Writting frame length
if (write(this->file_, &size, 2) == -1)
goto FIFO_WRITE_ERROR;
// Appending data
if (write(this->file_, buffer, size) == -1)
goto FIFO_WRITE_ERROR;
break;
case ETI_FILE_TYPE_RAW:
// Appending data
if (write(this->file_, buffer, size) == -1)
goto FIFO_WRITE_ERROR;
// Appending padding
memset(padding, 0x55, 6144 - size);
if (write(this->file_, padding, 6144 - size) == -1)
goto FIFO_WRITE_ERROR;
break;
default:
etiLog.printHeader(TcpLog::ERR, "File type is not supported.\n");
return -1;
}
return size;
FIFO_WRITE_ERROR:
perror("Error while writting to file");
return -1;
}
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