frodovdr/dddvb
1
0
Fork 0
mirror of https://github.com/DigitalDevices/dddvb.git synced 2023-10-10 13:37:43 +02:00
Code Issues Releases Wiki Activity

tschecker added

Browse Source
This commit is contained in:
Manfred 2020-01-21 18:36:05 +01:00
parent 5b17d32804
commit ed5f89a0c4
1 changed files with 109 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

109
apps/tscheck.c Normal file
View File

@ -0,0 +1,109 @@
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/video.h>
char line_start[16] = "";
char line_end[16] = "\r";
uint32_t cc_errors = 0;
uint32_t packets = 0;
uint32_t payload_packets = 0;
uint32_t packet_errors = 0;
uint8_t cc[8192] = { 0 };
void proc_ts(int i, uint8_t *buf)
{
uint16_t pid=0x1fff&((buf[1]<<8)|buf[2]);
uint8_t ccin = buf[3] & 0x1F;
if( buf[0] == 0x47 && (buf[1] & 0x80) == 0)
{
if( pid != 8191 )
{
if( ccin != 0 )
{
if( cc[pid] != 0 )
{
// TODO: 1 repetition allowed
if( ((cc[pid] + 1) & 0x0F) != (ccin & 0x0F) )
cc_errors += 1;
}
cc[pid] = ccin;
}
payload_packets += 1;
}
}
else
packet_errors += 1;
if( (packets & 0x3FFF ) == 0)
{
printf("%s Packets: %12u non null %12u, errors: %12u, CC errors: %12u%s", line_start, packets, payload_packets, packet_errors, cc_errors, line_end);
fflush(stdout);
}
packets += 1;
}
#define TSBUFSIZE (100*188)
void citest(char* n)
{
uint8_t *buf;
uint8_t id;
int i, nts;
int len;
int ts=open(n, O_RDONLY);
buf=(uint8_t *)malloc(TSBUFSIZE);
while(1) {
len=read(ts, buf, TSBUFSIZE);
if (len<0) {
continue;
}
if (buf[0]!=0x47) {
read(ts, buf, 1);
continue;
}
if (len%188) { /* should not happen */
printf("blah\n");
continue;
}
nts=len/188;
for (i=0; i<nts; i++)
proc_ts(i, buf+i*188);
}
}
int main(int argc, char* argv[])
{
if( argc < 2 )
{
printf("tscheck <file>|<device> [<display line>]\n");
exit(0);
}
if( argc > 2 )
{
int line = atoi(argv[2]);
if( line >= 0 && line < 64 )
{
snprintf(line_start,sizeof(line_start)-1,"\0337\033[%d;0H",line);
strncpy(line_end,"\0338",sizeof(line_end)-1);
}
}
citest(argv[1]);
}