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ni2out.c
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#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <ctype.h>
#include <getopt.h>
#include <signal.h>
#include <unistd.h>
#include <netdb.h>
#include <sys/time.h>
#include <endian.h>
#include <fcntl.h>
#include <errno.h>
#include <math.h>
#include "wfficproc.h"
#include "figs.h"
#include "ni2out.h"
//#define HAVE_FEC
#ifdef HAVE_FEC
#include <fec.h>
#endif
#ifdef HAVE_ZMQ
#include <zmq.h>
#endif
int Interrupted=0;
int channel_count=0;
int channels_mapped=0;
ni2http_channel_t *channels[MAX_CHANNEL_COUNT];
ni2http_channel_t *channel_map[MAX_CU_COUNT];
ni2http_server_t ni2http_server;
void *zmq_context = NULL;
#define ETI_NI_FSYNC0 0xb63a07ff
#define ETI_NI_FSYNC1 0x49c5f8ff
#define ETI_NI_RAW_SIZE 6144
#define ETI_NI_FRAME_TIME 24000 //useconds
/*****************************************************************************
* info/help/debug
*****************************************************************************/
//#define DEBUG(format, ...) fprintf (stderr, "DEBUG: "format"\n", ## __VA_ARGS__)
#define DEBUG(format, ...)
#define INFO(format, ...) fprintf (stderr, "INFO: "format"\n", ## __VA_ARGS__)
#define WARN(format, ...) fprintf (stderr, "WARN: "format"\n", ## __VA_ARGS__)
#define ERROR(format, ...) fprintf (stderr, "ERROR: "format"\n", ## __VA_ARGS__)
extern struct ens_info einf;
static void usage(const char *psz)
{
fprintf(stderr, "usage: %s [--list] [--delay] [-i <inputfile>] [-s SID]\n", psz);
exit(EXIT_FAILURE);
}
static void signal_handler(int signum)
{
if (signum != SIGPIPE) {
Interrupted=signum;
}
signal(signum,signal_handler);
}
void print_bytes(char *bytes, int len)
{
int i;
int count;
int done = 0;
while (len > done) {
if (len - done > 32){
count = 32;
} else {
count = len - done;
}
fprintf(stderr, "%08x: ", done);
for (i=0; i<count; i++) {
fprintf(stderr, "%02x ", (int)((unsigned char)bytes[done+i]));
if(i==15)
fprintf(stderr, "| ");
}
for (i=count; i<32; i++) {
fprintf(stderr, " ");
if(i==15)
fprintf(stderr, "| ");
}
fprintf(stderr, " \"");
for (i=0; i<count; i++) {
fprintf(stderr, "%c", isprint(bytes[done+i]) ? bytes[done+i] : '.');
if(i==15)
fprintf(stderr, "|");
}
fprintf(stderr, "\"\n");
done += count;
}
}
typedef struct {
union {
/* reverse order for little-endian */
#if __BYTE_ORDER == __LITTLE_ENDIAN
/* Used by fig_1_4 */
struct {
uint16_t Z:1;
uint16_t CI_flag:1;
uint16_t L_data:6;
uint16_t L1_data:6;
uint16_t F_PAD_type:2;
};
#elif __BYTE_ORDER == __BIG_ENDIAN
/* Used by fig_1_4 */
struct {
uint16_t F_PAD_type:2;
uint16_t L1_data:6;
uint16_t L_data:6;
uint16_t CI_flag:1;
uint16_t Z:1;
};
#else
#error "Unknown system endian"
#endif
uint16_t val;
};
} f_pad_t;
typedef struct {
union {
#if __BYTE_ORDER == __LITTLE_ENDIAN
/* reverse order for little-endian */
struct {
uint16_t Rfa:4;
uint16_t Field_2:4;
uint16_t Field_1:4;
uint16_t C_flag:1;
uint16_t F_L:2;
uint16_t T:1;
};
#elif __BYTE_ORDER == __BIG_ENDIAN
/* reverse order for little-endian */
struct {
uint16_t T:1;
uint16_t F_L:2;
uint16_t C_flag:1;
uint16_t Field_1:4;
uint16_t Field_2:4;
uint16_t Rfa:4;
};
#else
#error "Unknown system endian"
#endif
uint16_t val;
};
} x_pad_dls_t;
int fill_dls_pad(uint8_t *data_ptr, int len, uint8_t start_flag, ni2http_channel_t *chan)
{
//print_bytes((char*)data_ptr, len);
if(start_flag) {
x_pad_dls_t dls;
dls.val = data_ptr[len - 1] << 8 | data_ptr[len - 2];
//WARN("DLS: T=%d, F_L=%d, C_flag=%d, Field_1=%d, Field_2=%d", dls.T, dls.F_L, dls.C_flag, dls.Field_1, dls.Field_2);
if(chan->title_switcher == dls.T)
return 0;
if(dls.F_L > 1) {
chan->pad_fillness=0;
}
if(!dls.C_flag && dls.Field_1 < STR_BUF_SIZE) {
chan->pad_bytes_left = dls.Field_1 + 1;
} else if(dls.C_flag && dls.Field_1 == 1) {
chan->pad_data[0] = '\0';
//shout set empty title.
return 1;
}
if(dls.F_L == 1 || dls.F_L == 3) {
chan->title_switcher = dls.T;
}
// chan->pad_data[chan->pad_fillness] = data_ptr[0];
// chan->pad_fillness++;
len-=2;
chan->pad_last_fl = dls.F_L;
//WARN("DLS[0]: pad_fillness=%d, pad_bytes_left=%d", chan->pad_fillness, chan->pad_bytes_left);
}
if (chan->pad_bytes_left && len > 0) {
int bytes2get = chan->pad_bytes_left > len ? len : chan->pad_bytes_left;
//WARN("DLS: bytes2get=%d", bytes2get);
if(chan->pad_fillness + bytes2get > STR_BUF_SIZE) {
WARN("too large pad");
chan->pad_fillness=0;
chan->pad_bytes_left=0;
}
int idx=0;
while(bytes2get > idx) {
//WARN("DLS: chan->pad_data[%d+(%d - %d)] = data_ptr[%d - %d + %d]", chan->pad_fillness, bytes2get, idx, len, bytes2get, idx);
chan->pad_data[chan->pad_fillness+((bytes2get-1) - idx)] = data_ptr[len - bytes2get + idx];
idx++;
}
//print_bytes((char*)chan->pad_data, chan->pad_fillness);
chan->pad_fillness += bytes2get;
chan->pad_bytes_left -= bytes2get;
if(chan->pad_bytes_left == 0 && (chan->pad_last_fl == 1 || chan->pad_last_fl == 3)) {
chan->pad_data[chan->pad_fillness] = '\0';
chan->pad_fillness++;
//WARN("DLS: FULL pad_fillness=%d, pad_bytes_left=%d", chan->pad_fillness, chan->pad_bytes_left);
//print_bytes((char*)chan->pad_data, chan->pad_fillness);
return 1;
}
}
return 0;
}
#if 0
int feed_x_pad_short(uint8_t *data_ptr, uint8_t ci_flag, ni2http_channel_t *chan)
{
if(ci_flag) {
if(data_ptr[0] == 0x00 && data_ptr[1] == 0x00 && data_ptr[2] == 0x00 && data_ptr[3] == 0x00)
return 0;
if(data_ptr[3] == 0x02) {
x_pad_dls_t dls;
dls.val = data_ptr[2] << 8 | data_ptr[1];
//WARN("DLS: T=%d, F_L=%d, C_flag=%d, Field_1=%d, Field_2=%d", dls.T, dls.F_L, dls.C_flag, dls.Field_1, dls.Field_2);
if(chan->title_switcher == dls.T)
return 0;
if(dls.F_L > 1) {
chan->pad_fillness=0;
}
if(!dls.C_flag && dls.Field_1 < STR_BUF_SIZE) {
chan->pad_bytes_left = dls.Field_1;
} else if(dls.C_flag && dls.Field_1 == 1) {
chan->pad_data[0] = '\0';
//shout set empty title.
return 1;
}
if(dls.F_L == 1 || dls.F_L == 3) {
chan->title_switcher = dls.T;
}
chan->pad_data[chan->pad_fillness] = data_ptr[0];
chan->pad_fillness++;
chan->pad_last_fl = dls.F_L;
//WARN("DLS[0]: pad_fillness=%d, pad_bytes_left=%d", chan->pad_fillness, chan->pad_bytes_left);
}
} else if (chan->pad_bytes_left) {
int bytes2get = chan->pad_bytes_left > 4 ? 4 : chan->pad_bytes_left;
//WARN("DLS: bytes2get=%d", bytes2get);
if(chan->pad_fillness + bytes2get > STR_BUF_SIZE) {
WARN("too large pad");
chan->pad_fillness=0;
chan->pad_bytes_left=0;
}
if(bytes2get > 3)
chan->pad_data[chan->pad_fillness+3] = data_ptr[0];
if(bytes2get > 2)
chan->pad_data[chan->pad_fillness+2] = data_ptr[1];
if(bytes2get > 1)
chan->pad_data[chan->pad_fillness+1] = data_ptr[2];
if(bytes2get)
chan->pad_data[chan->pad_fillness] = data_ptr[3];
chan->pad_fillness += bytes2get;
chan->pad_bytes_left -= bytes2get;
//WARN("DLS: pad_fillness=%d, pad_bytes_left=%d", chan->pad_fillness, chan->pad_bytes_left);
if(chan->pad_bytes_left == 0 && (chan->pad_last_fl == 1 || chan->pad_last_fl == 3)) {
chan->pad_data[chan->pad_fillness] = '\0';
chan->pad_fillness++;
//print_bytes((char*)chan->pad_data, chan->pad_fillness);
return 1;
}
}
//WARN("FEED_X_PAD_SHORT: CI=%d: %02x %02x %02x %02x", ci_flag, data_ptr[0], data_ptr[1], data_ptr[2], data_ptr[3]);
//print_bytes((char*)data_ptr, 4);
return 0;
}
#endif
const int pad_sizes_idx[] = { 4, 6, 8, 12, 16, 24, 32, 48 };
int feed_x_pad(uint8_t *data_ptr, uint8_t ci_flag, ni2http_channel_t *chan, uint8_t x_pad_ind, int start_pos)
{
int ret=0;
if(x_pad_ind == 1) {
/* short X-PAD */
if(data_ptr[0] == 0x00 && data_ptr[1] == 0x00 && data_ptr[2] == 0x00 && data_ptr[3] == 0x00)
return 0;
if(fill_dls_pad(data_ptr, ci_flag ? 3 : 4, data_ptr[3] == 0x02 && ci_flag, chan)){
INFO("sid[%#04x] song: %s", chan->sid, chan->pad_data);
}
}
if(x_pad_ind != 2)
return 0;
if(ci_flag) {
if(data_ptr[0] == 0x00 && data_ptr[1] == 0x00 && data_ptr[2] == 0x00 && data_ptr[3] == 0x00)
return 0;
//uint8_t subchLen = data_ptr[3] & 0x07;
//uint8_t appTyp = data_ptr[3] >> 3;
//WARN("FEED_X_PAD: CI=%d: %02x %02x %02x %02x", ci_flag, data_ptr[0], data_ptr[1], data_ptr[2], data_ptr[3]);
//print_bytes((char*)data_ptr+4-32, 32);
int data_pos = 3, subfield_idx=0;
uint8_t sizes[4] = {0,0,0,0};
uint8_t types[4] = {0,0,0,0};
uint8_t appTyp, subfieldLen;
do {
appTyp = data_ptr[data_pos] & 0x1f;
subfieldLen = data_ptr[data_pos] >> 5;
data_pos--;
if(appTyp == 0x1f) {
appTyp = data_ptr[data_pos];
data_pos--;
}
if(appTyp != 0) {
types[subfield_idx] = appTyp;
sizes[subfield_idx] = pad_sizes_idx[subfieldLen];
subfield_idx++;
}
//WARN("FEED_X_PAD[%d|%d]: appTyp=%d, subchLen=%d", data_pos, subfield_idx, appTyp, pad_sizes_idx[subfieldLen]);
} while (data_pos >=0 && appTyp != 0);
//WARN("FEED_X_PAD bytes left=%d", data_pos);
int idx;
uint8_t *pad_data_subch_start = data_ptr + (data_pos) + 1; //data_ptr + data_pos;
for(idx=0;idx<subfield_idx;idx++) {
pad_data_subch_start -= sizes[idx]; //may be -1;
if(pad_data_subch_start < data_ptr-start_pos) {
WARN("X_PAD: BAD pad_data_subch_start: %p, data_ptr=%p, pos=%d, start==%p", pad_data_subch_start, data_ptr, start_pos, data_ptr-start_pos);
break;
}
//FIXME: if next subfield is dls again, then this may not work fine.
switch(types[idx]) {
case 0x02:
case 0x03:
//WARN("FEED_X_PAD[%d]: appTyp=%d, subchLen=%d:", idx, types[idx], sizes[idx]);
//print_bytes((char*)pad_data_subch_start, sizes[idx]);
if(fill_dls_pad(pad_data_subch_start, sizes[idx], types[idx] == 0x02, chan)) {
INFO("sid[%#04x] song: %s", chan->sid, chan->pad_data);
}
break;
default:
//WARN("FEED_X_PAD[%d]: UNUSED appTyp=%d, subchLen=%d:", idx, types[idx], sizes[idx]);
//print_bytes((char*)pad_data_subch_start, sizes[idx]);
break;
}
}
} else {
WARN("FEED_X_PAD: CI=%d, not implemented!", ci_flag);
}
//if start_of_frame = data_ptr - start_pos;
//return 1 if have full text here.
return ret;
}
int process_pad(uint8_t *data_ptr, int data_len, ni2http_channel_t *chan)
{
#if 1
f_pad_t f_pad;
f_pad.val = data_ptr[data_len-2] << 8 | data_ptr[data_len-1];
//INFO("F_PAD: %02x %02x, ci=%d, type=%d:", data_ptr[data_len-2], data_ptr[data_len-1], f_pad.CI_flag, f_pad.F_PAD_type);
//print_bytes((char*)data_ptr, data_len);
if(f_pad.F_PAD_type==0){
uint8_t x_pad_ind = f_pad.L1_data >> 4;
uint8_t x_pad_L = f_pad.L1_data & 0x0f;
//INFO("X_PAD: L1: %02x (val:%04x) ind=%d, L=%d", f_pad.L1_data, f_pad.val, x_pad_ind, x_pad_L);
if(!x_pad_ind)
return 0;
//check if it x-pad or x-pad with DRC info
if((x_pad_ind!=1 && x_pad_ind!=2) || (x_pad_L != 0 && x_pad_L != 1)) {
print_bytes((char*)data_ptr+data_len-16, 16);
WARN("X_PAD: L1: %02x (val:%04x) ind=%d, L=%d", f_pad.L1_data, f_pad.val, x_pad_ind, x_pad_L);
return 0;
}
uint8_t *x_pad_ptr;
int x_pad_pos;
if(chan->is_dabplus) {
x_pad_ptr = &data_ptr[data_len-2-4];
x_pad_pos = data_len-2-4;
} else {
x_pad_ptr = &data_ptr[data_len-2-4-4];
x_pad_pos = data_len-2-4-4;
}
//WARN("X_PAD: x_pad_ptr: %p, pos=%d", x_pad_ptr, x_pad_pos);
//WARN("X_PAD: x_pad_min: %p, len=%d", data_ptr, data_len);
feed_x_pad(x_pad_ptr, f_pad.CI_flag, chan, x_pad_ind, x_pad_pos);
//print_bytes((char*)data_ptr+data_len-16, 16);
//In-house information, or no information;
//print_bytes((char*)data_ptr+data_len-16, 16);
}
#endif
return 1;
}
struct stream_parms {
int rfa;
int dac_rate;
int sbr_flag;
int ps_flag;
int aac_channel_mode;
int mpeg_surround_config;
};
int process_dabplus_wfadts(int framelen, struct stream_parms *sp, uint8_t *header)
{
struct adts_fixed_header {
unsigned : 4;
unsigned home : 1;
unsigned orig : 1;
unsigned channel_config : 3;
unsigned private_bit : 1;
unsigned sampling_freq_index : 4;
unsigned profile : 2;
unsigned protection_absent : 1;
unsigned layer : 2;
unsigned id : 1;
unsigned syncword : 12;
} fh;
struct adts_variable_header {
unsigned : 4;
unsigned num_raw_data_blks_in_frame : 2;
unsigned adts_buffer_fullness : 11;
unsigned frame_length : 13;
unsigned copyright_id_start : 1;
unsigned copyright_id_bit : 1;
} vh;
#if 0
unsigned char header[7];
#endif
/* 32k 16k 48k 24k */
const unsigned short samptab[] = {0x5, 0x8, 0x3, 0x6};
fh.syncword = 0xfff;
fh.id = 0;
fh.layer = 0;
fh.protection_absent = 1;
fh.profile = 0;
fh.sampling_freq_index = samptab[sp->dac_rate << 1 | sp->sbr_flag];
fh.private_bit = 0;
switch (sp->mpeg_surround_config) {
case 0:
if (sp->sbr_flag && !sp->aac_channel_mode && sp->ps_flag)
fh.channel_config = 2; /* Parametric stereo */
else
fh.channel_config = 1 << sp->aac_channel_mode ;
break;
case 1:
fh.channel_config = 6;
break;
default:
fprintf(stderr,"Unrecognized mpeg_surround_config ignored\n");
if (sp->sbr_flag && !sp->aac_channel_mode && sp->ps_flag)
fh.channel_config = 2; /* Parametric stereo */
else
fh.channel_config = 1 << sp->aac_channel_mode ;
break;
}
fh.orig = 0;
fh.home = 0;
vh.copyright_id_bit = 0;
vh.copyright_id_start = 0;
vh.frame_length = framelen + 7; /* Includes header length */
vh.adts_buffer_fullness = 1999;
vh.num_raw_data_blks_in_frame = 0;
#if 0
header[0] = fh.syncword >> 4;
header[1] = (fh.syncword & 0xf) << 4;
header[1] |= fh.id << 3;
header[1] |= fh.layer << 1;
header[1] |= fh.protection_absent;
header[2] = fh.profile << 6;
header[2] |= fh.sampling_freq_index << 2;
header[2] |= fh.private_bit << 1;
header[2] |= (fh.channel_config & 0x4);
header[3] = (fh.channel_config & 0x3) << 6;
header[3] |= fh.orig << 5;
header[3] |= fh.home << 4;
header[3] |= vh.copyright_id_bit << 3;
header[3] |= vh.copyright_id_start << 2;
header[3] |= (vh.frame_length >> 11) & 0x3;
header[4] = (vh.frame_length >> 3) & 0xff;
header[5] = (vh.frame_length & 0x7) << 5;
header[5] |= vh.adts_buffer_fullness >> 6;
header[6] = (vh.adts_buffer_fullness & 0x3f) << 2;
header[6] |= vh.num_raw_data_blks_in_frame;
//fwrite(header, sizeof(header), 1, stdout);
#else
header[0] = fh.syncword >> 4;
header[1] = (fh.syncword & 0xf) << 4;
header[1] |= fh.id << 3;
header[1] |= fh.layer << 1;
header[1] |= fh.protection_absent;
header[2] = fh.profile << 6;
header[2] |= fh.sampling_freq_index << 2;
header[2] |= fh.private_bit << 1;
header[2] |= (fh.channel_config & 0x4);
header[3] = (fh.channel_config & 0x3) << 6;
header[3] |= fh.orig << 5;
header[3] |= fh.home << 4;
header[3] |= vh.copyright_id_bit << 3;
header[3] |= vh.copyright_id_start << 2;
header[3] |= (vh.frame_length >> 11) & 0x3;
header[4] = (vh.frame_length >> 3) & 0xff;
header[5] = (vh.frame_length & 0x7) << 5;
header[5] |= vh.adts_buffer_fullness >> 6;
header[6] = (vh.adts_buffer_fullness & 0x3f) << 2;
header[6] |= vh.num_raw_data_blks_in_frame;
#endif
return 0;
}
int process_dabplus_pad(uint8_t *data_ptr, int data_len, ni2http_channel_t *chan)
{
uint8_t object_type = data_ptr[0] >> 5;
if(object_type == 0x04) {
/* HAVE DSE */
int bytes_readed=0;
/* Element Instance Tag */
//uint8_t elementInstanceTag = (data_ptr[0] >> 1) & 0x0f;
//uint8_t dataByteAlignFlag = data_ptr[0] & 0x01;
bytes_readed++;
int count = data_ptr[1];
bytes_readed++;
if (count == 255) {
count += data_ptr[2]; /* EscCount */
bytes_readed++;
}
//ERROR("DAB+ PAD: object_type=%d, elementInstanceTag=%d, dataByteAlignFlag=%d count=%d, start=%p\n",
// object_type, elementInstanceTag, dataByteAlignFlag, count, data_ptr);
//print_bytes((char*)data_ptr + bytes_readed, count);
process_pad(data_ptr + bytes_readed, count, chan);
}
return 0;
}
int process_dabplus(uint8_t *data_ptr, int data_len, ni2http_channel_t *chan)
{
int s = chan->bitrate/8;
int audio_super_frame_size = data_len * 5 - s * 10; /* Excludes error prot bytes */
//ERROR("DAB+ [%d] br: %d:", data_len, chan->bitrate);
//print_bytes((char*)data_ptr, data_len);
if (!chan->dabplus_frame && !firecrccheck(data_ptr)) {
ERROR("DAB+ firecrccheck: ERROR");
return 0;
}
memcpy(&chan->dabplus_data[data_len * chan->dabplus_frame], data_ptr, data_len);
chan->dabplus_frame++;
int i,j;
if (chan->dabplus_frame > 4) {
chan->dabplus_frame=0;
for (i = 0; i < s; i++) {
uint8_t cbuf[120];
/* Dis-interleaving is necessary prior to RS decoding */
for (j = 0; j < 120; j++)
cbuf[j] = chan->dabplus_data[s * j + i];
#ifdef HAVE_FEC
int errs = decode_rs_char(chan->dabplus_rs, cbuf, (int*)NULL, 0);
if(errs!=0) fprintf(stderr,"DAB+ errors: %d\n",errs);
#endif
/* Write checked/corrected data back to sfbuf */
for (j = 0; j < 110; j++)
chan->dabplus_data[s * j + i] = cbuf[j];
}
const int austab[4] = {4, 2, 6, 3};
struct stream_parms sp;
uint16_t au_start[6] = {0,0,0,0,0,0};
int16_t au_size[6] = {0,0,0,0,0,0};
sp.rfa = (chan->dabplus_data[2] & 0x80) && 1;
sp.dac_rate = (chan->dabplus_data[2] & 0x40) && 1;
sp.sbr_flag = (chan->dabplus_data[2] & 0x20) && 1;
sp.aac_channel_mode = (chan->dabplus_data[2] & 0x10) && 1;
sp.ps_flag = (chan->dabplus_data[2] & 0x8) && 1;
sp.mpeg_surround_config = chan->dabplus_data[2] & 0x7;
int num_aus = austab[sp.dac_rate << 1 | sp.sbr_flag];
switch (num_aus) {
case 2:
au_start[0] = 5;
au_start[1] = (chan->dabplus_data[3] << 4) + ((chan->dabplus_data[4]) >> 4);
if(au_start[1]) {
au_size[0] = au_start[1] - au_start[0];
au_size[1] = audio_super_frame_size - au_start[1];
}
break;
case 3:
au_start[0] = 6;
au_start[1] = (chan->dabplus_data[3] << 4) + ((chan->dabplus_data[4]) >> 4);
au_start[2] = ((chan->dabplus_data[4] & 0x0f) << 8) + chan->dabplus_data[5];
if(au_start[1] && au_start[2]) {
au_size[0] = au_start[1] - au_start[0];
au_size[1] = au_start[2] - au_start[1];
au_size[2] = audio_super_frame_size - au_start[2];
}
break;
case 4:
au_start[0] = 8;
au_start[1] = (chan->dabplus_data[3] << 4) + (chan->dabplus_data[4] >> 4);
au_start[2] = ((chan->dabplus_data[4] & 0x0f) << 8) + chan->dabplus_data[5];
au_start[3] = (chan->dabplus_data[6] << 4) + (chan->dabplus_data[7] >> 4);
if(au_start[1] && au_start[2] && au_start[3]) {
au_size[0] = au_start[1] - au_start[0];
au_size[1] = au_start[2] - au_start[1];
au_size[2] = au_start[3] - au_start[2];
au_size[3] = audio_super_frame_size - au_start[3];
}
break;
case 6:
au_start[0] = 11;
au_start[1] = (chan->dabplus_data[3] << 4) + (chan->dabplus_data[4] >> 4);
au_start[2] = ((chan->dabplus_data[4] & 0x0f) << 8) + chan->dabplus_data[5];
au_start[3] = (chan->dabplus_data[6] << 4) + (chan->dabplus_data[7] >> 4);
au_start[4] = ((chan->dabplus_data[7] & 0x0f) << 8) + chan->dabplus_data[8];
au_start[5] = (chan->dabplus_data[9] << 4) + (chan->dabplus_data[10] >> 4);
if(au_start[1] && au_start[2] && au_start[3] && au_start[4] && au_start[5]) {
au_size[0] = au_start[1] - au_start[0];
au_size[1] = au_start[2] - au_start[1];
au_size[2] = au_start[3] - au_start[2];
au_size[3] = au_start[4] - au_start[3];
au_size[4] = au_start[5] - au_start[4];
au_size[5] = audio_super_frame_size - au_start[5];
}
break;
default: fprintf(stderr,"num_aus = %d is invalid\n",num_aus);
break;
}
for (i = 0; i < num_aus; i++) {
if(!au_size[i] || au_start[i] + au_size[i] < 2 || au_start[i] + au_size[i] > audio_super_frame_size) {
// ERROR("Bad AU size, ignoring frame for SID %d.\n", chan->sid);
continue;
}
/* Invert CRC bits */
chan->dabplus_data[au_start[i] + au_size[i] - 2] ^= 0xff;
chan->dabplus_data[au_start[i] + au_size[i] - 1] ^= 0xff;
/* AUs with bad CRC are silently ignored */
if (crccheck(chan->dabplus_data + au_start[i], au_size[i])) {
//wfadts(au_size[i]-2, &sp);
//fwrite(chan->dabplus_data + au_start[i], sizeof(unsigned char), au_size[i] - 2, stdout);
if(chan->extract_pad) {
process_dabplus_pad(chan->dabplus_data + au_start[i], au_size[i] - 2, chan);
}
uint8_t buff2[1024];
process_dabplus_wfadts(au_size[i]-2, &sp, buff2);
memcpy(buff2 + 7, chan->dabplus_data + au_start[i], au_size[i] - 2);
//fwrite(buff2, au_size[i] - 2 + 7, 1, stdout);
int result;
if(chan->file) {
result = fwrite(buff2, au_size[i] - 2 + 7, 1, chan->file);
if(result != 1) {
ERROR("failed to write data to file for SID %d.\n", chan->sid);
}
}
}
}
}
return 1;
}
int process_mp2(uint8_t *data_ptr, int data_len, ni2http_channel_t *chan)
{
if(chan->extract_pad && !chan->is_dabplus)
process_pad(data_ptr, data_len, chan);
//fwrite(data_ptr, data_len, 1, to_save);
int result;
if(chan->file) {
result = fwrite(data_ptr, data_len, 1, chan->file);
if(result != 1) {
ERROR("failed to write data to file for SID %d (%d): %s.\n", chan->sid, errno, strerror(errno));
}
}
return 0;
}
int process_stc(uint8_t *msc_ptr, uint8_t *stc_ptr, int idx, int prev_len)
{
uint8_t *data_ptr;
int data_len;
sstc_t sstc;
sstc.val = stc_ptr[4*idx] << 24 | stc_ptr[4*idx + 1] << 16 | stc_ptr[4*idx + 2] << 8 | stc_ptr[4*idx + 3];
//DEBUG("stream[%d]: scid=%d, sad=%d, tpl=%d, stl=%d", idx, sstc.scid, sstc.sad, sstc.tpl, sstc.stl);
ni2http_channel_t *chan = channel_map[sstc.sad];
if(chan && chan->file) {
data_ptr = &msc_ptr[prev_len*8];
data_len = sstc.stl*8;
if(chan->is_dabplus && chan->extract_dabplus) {
process_dabplus(data_ptr, data_len, chan);
} else {
process_mp2(data_ptr, data_len, chan);
}
}
#ifdef HAVE_ZMQ
if(chan && chan->zmq_sock) {
data_ptr = &msc_ptr[prev_len*8];
data_len = sstc.stl*8;
int frame_length = sizeof(struct zmq_frame_header) + data_len;
struct zmq_frame_header* header = malloc(frame_length);
uint8_t* txframe = ((uint8_t*)header) + sizeof(struct zmq_frame_header);
header->version = 1;
header->encoder = chan->is_dabplus ? ZMQ_ENCODER_FDK : ZMQ_ENCODER_TOOLAME;
header->datasize = data_len;
header->audiolevel_left = 0x1FFF; //alevel unknown
header->audiolevel_right = 0x1FFF;
memcpy(txframe, data_ptr, data_len);
int send_error = zmq_send(chan->zmq_sock, header, frame_length, ZMQ_DONTWAIT);
free(header);
if (send_error < 0) {
fprintf(stderr, "ZeroMQ send failed! %s\n", zmq_strerror(errno));
}
}
#endif
#if 0
//print_bytes((char*)data_ptr, data_len);
char out[256] = "";
sprintf(out, "stream-%d.mp2", sstc.scid);
FILE *outputfile = fopen(out, "a+");
fclose(outputfile);
#endif
//exit(0);
return sstc.stl;
}
int main(int i_argc, char **ppsz_argv)
{
int i, c, list=0, config_parsed=0, delay=0;
FILE *inputfile=stdin;
for (i=0;i<MAX_CU_COUNT;i++) channel_map[i]=NULL;
for (i=0;i<MAX_CHANNEL_COUNT;i++) channels[i]=NULL;
memset( &ni2http_server, 0, sizeof(ni2http_server_t) );
// Allocate memory for channel structure
ni2http_channel_t* chan = calloc( 1, sizeof(ni2http_channel_t) );
if (!chan) {
perror("Failed to allocate memory for new channel");
exit(-1);
}
chan->num = 0;
chan->file = stdout;
chan->zmq_sock = NULL;
sprintf(chan->file_name, "stdout");
chan->extract_dabplus = 1;
chan->extract_pad = 1;
chan->sid = 0;
static const struct option long_options[] = {
{ "input", required_argument, NULL, 'i' },
{ "sid", required_argument, NULL, 's' },
{ "delay", no_argument, NULL, 'd' },
{ "list", no_argument, NULL, 'l' },
{ 0, 0, 0, 0 }
};
while ((c = getopt_long(i_argc, ppsz_argv, "i:s:ldh", long_options, NULL)) != -1)
{
switch (c) {
case 'i':
inputfile = fopen(optarg, "r");
if(!inputfile) {
ERROR("cant open input file!");
exit(1);
}
break;
case 's':
chan->sid = strtoul(optarg, NULL, 0);
config_parsed = 1;
break;
case 'l':
list=1;
break;
case 'd':
delay=1;
break;
case 'h':
default:
usage(ppsz_argv[0]);
}
}
if (chan->sid == 0 && config_parsed == 1) {
fprintf(stderr,"Error parsing parameters: invalid SID\n");
exit(-1);
}
// map channel
channels[0] = chan;
channel_count++;
/* space for 1 ETI frame for bitwise seeking */
int bytes_readed = 0;
uint8_t p_ni_search_block[ETI_NI_RAW_SIZE];
uint32_t sync_byte;
int sync_found = 0;
int total_readed = 0;
fc_t fc;
unsigned long int count = 0;
ficinit(&einf);
struct timeval diff1, diff2, startTV, endTV;
if(delay)
gettimeofday(&startTV, NULL);
/* search for ETI-NI sync */
do {
bytes_readed=0;
do {
size_t i_ret = fread(p_ni_search_block + bytes_readed, ETI_NI_RAW_SIZE - bytes_readed, 1, inputfile);
if(i_ret != 1){
ERROR("Can't read from file in %ld loop, total read: %d", count, total_readed);
exit(1);
}
total_readed += ETI_NI_RAW_SIZE - bytes_readed;
bytes_readed = ETI_NI_RAW_SIZE;
do {
sync_byte = p_ni_search_block[3] << 24 | p_ni_search_block[2] << 16 | p_ni_search_block[1] << 8 | p_ni_search_block[0];
if(sync_byte == ETI_NI_FSYNC0 || sync_byte == ETI_NI_FSYNC1) {
sync_found=1;
} else {
bytes_readed--;
memmove(p_ni_search_block, p_ni_search_block+1, bytes_readed);
}
} while (!sync_found && bytes_readed > 4);
} while (!sync_found || bytes_readed != ETI_NI_RAW_SIZE);
count++;
DEBUG("sync=%08x at pos %d", sync_byte, total_readed);
fc.val = p_ni_search_block[4] << 24 | p_ni_search_block[5] << 16 | p_ni_search_block[6] << 8 | p_ni_search_block[7];
if(fc.val == 0xffffffff)
continue;
DEBUG("NST=%d", p_ni_search_block[5] & 0x7f);
//fc_t fc;
//uint8_t fct = fc_word >> 24;
DEBUG("fc=%08x fct=%d, fc.fp=%d", fc.val, fc.fct, fc.fp);
DEBUG("ficf=%d, nst=%d", fc.ficf, fc.nst);
DEBUG("DAB MODE %d", fc.mid > 0 ? fc.mid : 4);
DEBUG("DAB streams = %d", fc.nst);
/* fic length in words */
uint8_t ficl = (fc.ficf == 0) ? 0 : 24;
if(ficl && fc.mid == 3) ficl = 32;
DEBUG("FIC length = %d words", ficl);
DEBUG("frame len=%d", fc.fl*4);
DEBUG("MST len=%d", (fc.fl - (1 + 1 + fc.nst))*4);
//process_msc(&p_ni_search_block[4+4 + fc.nst*4 + 4], ficl, fc.nst);
uint8_t *stc_ptr = &p_ni_search_block[(1 + 1)*4];
uint8_t *msc_ptr = &stc_ptr[(fc.nst + 1 + ficl)*4];
//print_bytes((char*)&p_ni_search_block[(1 + 1 + fc.nst + 1)*4], ficl*4);
//exit(0);
int idx;
if(!channels_mapped) {
/*search for zero phase */
//print_bytes((char*)&stc_ptr[(fc.nst + 1)*4], ficl*4);
process_fic2(&stc_ptr[(fc.nst + 1)*4], ficl*4, fc.mid);
if(!labelled(&einf))
continue;
if(list || !config_parsed) {
DEBUG("Ensemble list:");
disp_ensemble(&einf);
if(!config_parsed) {
fclose(inputfile);
exit(0);
}
}
int ch;
INFO("channels: %d", channel_count);
for (ch=0; ch <channel_count; ch++) {
DEBUG("channels[%d] sid=%d", channel_count, channels[ch]->sid);
struct service *s_data = find_service(&einf, channels[ch]->sid);
if(!s_data) {
ERROR("service for channel %d - not found", channels[ch]->sid);
continue;
}
channels[ch]->bitrate = s_data->pa->bitrate;
channels[ch]->is_dabplus = s_data->pa->dabplus;
if(channels[ch]->name[0] == '\0')
strncpy(channels[ch]->name, s_data->label, sizeof(s_data->label));
sstc_t sstc;
int idx_found = 0;
for (idx=0; idx < fc.nst; idx++) {
sstc.val = stc_ptr[4*idx] << 24 | stc_ptr[4*idx + 1] << 16 | stc_ptr[4*idx + 2] << 8 | stc_ptr[4*idx + 3];
if(sstc.sad == s_data->pa->startaddr){
channel_map[s_data->pa->startaddr] = channels[ch];
INFO("sid[%#04x]: channel_map[%d] = channel[%d]", s_data->sid, s_data->pa->startaddr, idx);
idx_found=1;
channels_mapped++;
if(strlen(channels[ch]->file_name) > 0) {
INFO("Writing to: %s", channels[ch]->file_name);
//channels[ch]->file = fopen(channels[ch]->file_name, "a+");
if(!channels[ch]->file) {
INFO("sid[%#04x]: can't open output dump file %s.", s_data->sid, channels[ch]->file_name);
} else {
int fd_o = fileno(channels[ch]->file);
if (fcntl(fd_o, F_SETFL, fcntl(fd_o, F_GETFL) | O_NONBLOCK) == -1) {