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#include <cstdio>
#include <cstring>
#include <fcntl.h>
#include <limits.h>
#include "dabOutput.h"
DabOutputFifo::open(const char* name)
{
char* token = strchr((char*)filename, '?');
if (token != NULL) {
*(token++) = 0;
char* nextPair;
char* key;
char* value;
// Go through all the &stuff=foo pairs
// Only the key "type" is supported
do {
nextPair = strchr(token, '&');
if (nextPair != NULL) {
*nextPair = 0;
}
key = token;
value = strchr(token, '=');
if (value != NULL) {
*(value++) = 0;
if (strcmp(key, "type") == 0) {
if (strcmp(value, "raw") == 0) {
this->type_ = ETI_FILE_TYPE_RAW;
break;
} else if (strcmp(value, "framed") == 0) {
this->type = ETI_FILE_TYPE_FRAMED;
break;
} else if (strcmp(value, "streamed") == 0) {
this->type = ETI_FILE_TYPE_STREAMED;
break;
} else {
etiLog.log(error,
"File type '%s' is not supported.\n", value);
return -1;
}
}
else {
etiLog.log(warn, "Parameter '%s' unknown\n", key);
}
}
} while (nextPair != NULL);
}
this->file_ = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
if (this->file_ == -1) {
perror(filename);
return -1;
}
return 0;
}
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.log(error, "File type is not supported.\n");
return -1;
}
return size;
FIFO_WRITE_ERROR:
perror("Error while writting to file");
return -1;
}
int DabOutputFifo::close()
{
if (close(this->file_) == 0) {
this->file_ = -1;
return 0;
}
perror("Can't close file");
return -1;
}
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