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/*
Copyright (C) 2009 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 "dabInputDabplusFifo.h"
#include "dabInputDabplusFile.h"
#include "dabInputFifo.h"
#include "dabInput.h"
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#ifndef _WIN32
# define O_BINARY 0
#endif
#ifdef HAVE_FORMAT_DABPLUS
# ifdef HAVE_INPUT_FILE
struct dabInputDabplusFifoData {
void* fifoData;
uint8_t* buffer;
size_t bufferSize;
size_t bufferIndex;
size_t bufferOffset;
};
struct dabInputOperations dabInputDabplusFifoOperations = {
dabInputDabplusFifoInit,
dabInputDabplusFifoOpen,
dabInputDabplusFifoSetbuf,
dabInputDabplusFifoRead,
dabInputDabplusFifoLock,
dabInputDabplusFifoUnlock,
dabInputDabplusFileReadFrame,
dabInputSetbitrate,
dabInputDabplusFifoClose,
dabInputDabplusFifoClean,
dabInputDabplusFifoRewind
};
int dabInputDabplusFifoInit(void** args)
{
dabInputDabplusFifoData* data = new dabInputDabplusFifoData;
dabInputFifoInit(&data->fifoData);
data->buffer = NULL;
data->bufferSize = 0;
data->bufferIndex = 0;
data->bufferOffset = 0;
*args = data;
}
int dabInputDabplusFifoOpen(void* args, const char* filename)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
return dabInputFifoOpen(data->fifoData, filename);
}
int dabInputDabplusFifoSetbuf(void* args, int size)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
return dabInputFifoSetbuf(data->fifoData, size);
}
int dabInputDabplusFifoRead(void* args, void* buffer, int size)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
if (data->bufferSize != size * 5) {
if (data->buffer != NULL) {
delete[] data->buffer;
}
data->buffer = new uint8_t[size * 5];
data->bufferSize = size * 5;
data->bufferIndex = 0;
}
if (data->bufferOffset < data->bufferSize) {
int ret = dabInputFifoRead(data->fifoData,
&data->buffer[data->bufferOffset],
data->bufferSize - data->bufferOffset);
if (ret < 0) {
return ret;
}
data->bufferOffset += ret;
if (data->bufferOffset != data->bufferSize) {
etiLog.print(TcpLog::CRIT, "ERROR: Incomplete DAB+ frame!\n");
return 0;
}
}
memcpy(buffer, &data->buffer[data->bufferIndex], size);
data->bufferIndex += size;
if (data->bufferIndex >= data->bufferSize) {
data->bufferIndex = 0;
data->bufferOffset = 0;
}
return size;
}
int dabInputDabplusFifoLock(void* args)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
return dabInputFifoLock(data->fifoData);
}
int dabInputDabplusFifoUnlock(void* args)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
return dabInputFifoUnlock(data->fifoData);
}
int dabInputDabplusFifoReadFrame(dabInputOperations* ops, void* args,
void* buffer, int size)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
return ops->read(args, buffer, size);
}
int dabInputDabplusFifoClose(void* args)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
return dabInputFifoClose(data->fifoData);
}
int dabInputDabplusFifoClean(void** args)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
dabInputFifoClean(&data->fifoData);
delete data;
return 0;
}
int dabInputDabplusFifoRewind(void* args)
{
dabInputDabplusFifoData* data = (dabInputDabplusFifoData*)args;
return dabInputFifoRewind(data->fifoData);
}
# endif
#endif
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