diff options
Diffstat (limited to 'src/dabInputFile.cpp')
-rw-r--r-- | src/dabInputFile.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/dabInputFile.cpp b/src/dabInputFile.cpp new file mode 100644 index 0000000..330519a --- /dev/null +++ b/src/dabInputFile.cpp @@ -0,0 +1,104 @@ +/* + Copyright (C) 2009,2011 Her Majesty the Queen in Right of Canada + (Communications Research Center Canada) + */ +/* + 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 "dabInputFile.h" + +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> + +#ifndef _WIN32 +# define O_BINARY 0 +#endif + + +int dabInputFileInit(void** args) +{ + dabInputFileData* data = new dabInputFileData; + data->file = -1; + data->parity = false; + data->packetLength = 0; + data->packetData = new unsigned char[96]; + data->enhancedPacketData = NULL; + data->enhancedPacketLength = 0; + data->enhancedPacketWaiting = 0; + + *args = data; + return 0; +} + + +int dabInputFileOpen(void* args, const char* filename) +{ + dabInputFileData* data = (dabInputFileData*)args; + data->file = open(filename, O_RDONLY | O_BINARY); + if (data->file == -1) { + perror(filename); + return -1; + } + return 0; +} + + +int dabInputFileRead(void* args, void* buffer, int size) +{ + dabInputFileData* data = (dabInputFileData*)args; + return read(data->file, buffer, size); +} + + +int dabInputFileClose(void* args) +{ + dabInputFileData* data = (dabInputFileData*)args; + if (data->file != -1) { + close(data->file); + } + return 0; +} + + +int dabInputFileClean(void** args) +{ + dabInputFileData* data = (dabInputFileData*)*args; + if (data->packetData != NULL) { + delete[] data->packetData; + } + if (data->enhancedPacketData != NULL) { + for (int i = 0; i < 12; ++i) { + if (data->enhancedPacketData[i] != NULL) { + delete[] data->enhancedPacketData[i]; + } + } + delete[] data->enhancedPacketData; + } + delete data; + return 0; +} + + +int dabInputFileRewind(void* args) +{ + dabInputFileData* data = (dabInputFileData*)args; + return lseek(data->file, 0, SEEK_SET); +} + + |