dvbd / src / transform.c @ a24dbbce
History | View | Annotate | Download (44.1 KB)
| 1 |
/*
|
|---|---|
| 2 |
* mpegtools for the Siemens Fujitsu DVB PCI card
|
| 3 |
*
|
| 4 |
* Copyright (C) 2000, 2001 Marcus Metzler
|
| 5 |
* for convergence integrated media GmbH
|
| 6 |
*
|
| 7 |
* This program is free software; you can redistribute it and/or
|
| 8 |
* modify it under the terms of the GNU General Public License
|
| 9 |
* as published by the Free Software Foundation; either version 2
|
| 10 |
* of the License, or (at your option) any later version.
|
| 11 |
*
|
| 12 |
|
| 13 |
* This program is distributed in the hope that it will be useful,
|
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
* GNU General Public License for more details.
|
| 17 |
*
|
| 18 |
|
| 19 |
* You should have received a copy of the GNU General Public License
|
| 20 |
* along with this program; if not, write to the Free Software
|
| 21 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
| 22 |
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
|
| 23 |
*
|
| 24 |
|
| 25 |
* The author can be reached at marcus@convergence.de,
|
| 26 |
|
| 27 |
* the project's page is at http://linuxtv.org/dvb/
|
| 28 |
*/
|
| 29 |
|
| 30 |
|
| 31 |
#include "transform.h" |
| 32 |
#include <stdlib.h> |
| 33 |
#include <string.h> |
| 34 |
#include "ctools.h" |
| 35 |
|
| 36 |
static uint8_t tspid0[TS_SIZE] = {
|
| 37 |
0x47, 0x40, 0x00, 0x10, 0x00, 0x00, 0xb0, 0x11, |
| 38 |
0x00, 0x00, 0xcb, 0x00, 0x00, 0x00, 0x00, 0xe0, |
| 39 |
0x10, 0x00, 0x01, 0xe4, 0x00, 0x2a, 0xd6, 0x1a, |
| 40 |
0xfb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 41 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 42 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 43 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 44 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 45 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 46 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 47 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 48 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 49 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 50 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 51 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 52 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 53 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 54 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 55 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 56 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 57 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 58 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 59 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 60 |
0xff, 0xff, 0xff, 0xff |
| 61 |
}; |
| 62 |
|
| 63 |
static uint8_t tspid1[TS_SIZE] = {
|
| 64 |
0x47, 0x44, 0x00, 0x10, 0x00, 0x02, 0xb0, 0x1c, |
| 65 |
0x00, 0x01, 0xcb, 0x00, 0x00, 0xe0, 0xa0, 0xf0, |
| 66 |
0x05, 0x48, 0x03, 0x01, 0x00, 0x00, 0x02, 0xe0, |
| 67 |
0xa0, 0xf0, 0x00, 0x03, 0xe0, 0x50, 0xf0, 0x00, |
| 68 |
0xae, 0xea, 0x4e, 0x48, 0xff, 0xff, 0xff, 0xff, |
| 69 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 70 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 71 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 72 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 73 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 74 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 75 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 76 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 77 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 78 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 79 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 80 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 81 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 82 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 83 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 84 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 85 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 86 |
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 87 |
0xff, 0xff, 0xff, 0xff |
| 88 |
}; |
| 89 |
|
| 90 |
uint32_t trans_pts_dts(uint8_t *pts) |
| 91 |
{
|
| 92 |
uint32_t wts; |
| 93 |
|
| 94 |
wts = (((pts[0] & 0x06) << 4) | |
| 95 |
((pts[1] & 0xFC) >> 2)) << 24; |
| 96 |
wts |= (((pts[1] & 0x03) << 6) | |
| 97 |
((pts[2] & 0xFC) >> 2)) << 16; |
| 98 |
wts |= (((pts[2] & 0x02) << 6) | |
| 99 |
((pts[3] & 0xFE) >> 1)) << 8; |
| 100 |
wts |= (((pts[3] & 0x01) << 7) | |
| 101 |
((pts[4] & 0xFE) >> 1)); |
| 102 |
return wts;
|
| 103 |
} |
| 104 |
|
| 105 |
|
| 106 |
void get_pespts(uint8_t *av_pts,uint8_t *pts)
|
| 107 |
{
|
| 108 |
|
| 109 |
pts[0] = 0x21 | |
| 110 |
((av_pts[0] & 0xC0) >>5); |
| 111 |
pts[1] = ((av_pts[0] & 0x3F) << 2) | |
| 112 |
((av_pts[1] & 0xC0) >> 6); |
| 113 |
pts[2] = 0x01 | ((av_pts[1] & 0x3F) << 2) | |
| 114 |
((av_pts[2] & 0x80) >> 6); |
| 115 |
pts[3] = ((av_pts[2] & 0x7F) << 1) | |
| 116 |
((av_pts[3] & 0x80) >> 7); |
| 117 |
pts[4] = 0x01 | ((av_pts[3] & 0x7F) << 1); |
| 118 |
} |
| 119 |
|
| 120 |
uint16_t get_pid(uint8_t *pid) |
| 121 |
{
|
| 122 |
uint16_t pp = 0;
|
| 123 |
|
| 124 |
pp = (pid[0] & PID_MASK_HI)<<8; |
| 125 |
pp |= pid[1];
|
| 126 |
|
| 127 |
return pp;
|
| 128 |
} |
| 129 |
|
| 130 |
int write_ts_header(uint16_t pid, uint8_t *counter, int pes_start, |
| 131 |
uint8_t *buf, uint8_t length) |
| 132 |
{
|
| 133 |
int i;
|
| 134 |
int c = 0; |
| 135 |
int fill;
|
| 136 |
uint8_t tshead[4] = { 0x47, 0x00, 0x00, 0x10}; |
| 137 |
|
| 138 |
|
| 139 |
fill = TS_SIZE-4-length;
|
| 140 |
if (pes_start) tshead[1] = 0x40; |
| 141 |
if (fill) tshead[3] = 0x30; |
| 142 |
tshead[1] |= (uint8_t)((pid & 0x1F00) >> 8); |
| 143 |
tshead[2] |= (uint8_t)(pid & 0x00FF); |
| 144 |
tshead[3] |= ((*counter)++ & 0x0F) ; |
| 145 |
memcpy(buf,tshead,4);
|
| 146 |
c+=4;
|
| 147 |
|
| 148 |
|
| 149 |
if (fill){
|
| 150 |
buf[4] = fill-1; |
| 151 |
c++; |
| 152 |
if (fill >1){ |
| 153 |
buf[5] = 0x00; |
| 154 |
c++; |
| 155 |
} |
| 156 |
for ( i = 6; i < fill+4; i++){ |
| 157 |
buf[i] = 0xFF;
|
| 158 |
c++; |
| 159 |
} |
| 160 |
} |
| 161 |
|
| 162 |
return c;
|
| 163 |
} |
| 164 |
|
| 165 |
|
| 166 |
int write_pes_header(uint8_t id,int length , long PTS, uint8_t *obuf, |
| 167 |
int stuffing)
|
| 168 |
{
|
| 169 |
uint8_t le[2];
|
| 170 |
uint8_t dummy[3];
|
| 171 |
uint8_t *pts; |
| 172 |
uint8_t ppts[5];
|
| 173 |
long lpts;
|
| 174 |
int c;
|
| 175 |
uint8_t headr[3] = {0x00, 0x00, 0x01}; |
| 176 |
|
| 177 |
lpts = htonl(PTS); |
| 178 |
pts = (uint8_t *) &lpts; |
| 179 |
|
| 180 |
get_pespts(pts,ppts); |
| 181 |
|
| 182 |
c = 0;
|
| 183 |
memcpy(obuf+c,headr,3);
|
| 184 |
c += 3;
|
| 185 |
memcpy(obuf+c,&id,1);
|
| 186 |
c++; |
| 187 |
|
| 188 |
le[0] = 0; |
| 189 |
le[1] = 0; |
| 190 |
length -= 6+stuffing;
|
| 191 |
|
| 192 |
le[0] |= ((uint8_t)(length >> 8) & 0xFF); |
| 193 |
le[1] |= ((uint8_t)(length) & 0xFF); |
| 194 |
memcpy(obuf+c,le,2);
|
| 195 |
c += 2;
|
| 196 |
|
| 197 |
if (id == PADDING_STREAM){
|
| 198 |
memset(obuf+c,0xff,length);
|
| 199 |
c+= length; |
| 200 |
return c;
|
| 201 |
} |
| 202 |
|
| 203 |
dummy[0] = 0x80; |
| 204 |
dummy[1] = 0; |
| 205 |
dummy[2] = 0; |
| 206 |
if (PTS){
|
| 207 |
dummy[1] |= PTS_ONLY;
|
| 208 |
dummy[2] = 5+stuffing; |
| 209 |
} |
| 210 |
memcpy(obuf+c,dummy,3);
|
| 211 |
c += 3;
|
| 212 |
memset(obuf+c,0xFF,stuffing);
|
| 213 |
|
| 214 |
if (PTS){
|
| 215 |
memcpy(obuf+c,ppts,5);
|
| 216 |
c += 5;
|
| 217 |
} |
| 218 |
|
| 219 |
return c;
|
| 220 |
} |
| 221 |
|
| 222 |
|
| 223 |
void init_p2p(p2p *p, void (*func)(uint8_t *buf, int count, p2p *p), |
| 224 |
int repack){
|
| 225 |
p->found = 0;
|
| 226 |
p->cid = 0;
|
| 227 |
p->mpeg = 0;
|
| 228 |
memset(p->buf,0,MMAX_PLENGTH);
|
| 229 |
p->done = 0;
|
| 230 |
p->fd1 = -1;
|
| 231 |
p->func = func; |
| 232 |
p->bigend_repack = 0;
|
| 233 |
p->repack = 0;
|
| 234 |
if ( repack < MAX_PLENGTH && repack > 265 ){ |
| 235 |
p->repack = repack-6;
|
| 236 |
p->bigend_repack = (uint16_t)htons((short)
|
| 237 |
((repack-6) & 0xFFFF)); |
| 238 |
} else {
|
| 239 |
fprintf(stderr, "Repack size %d is out of range\n",repack);
|
| 240 |
exit(1);
|
| 241 |
} |
| 242 |
} |
| 243 |
|
| 244 |
|
| 245 |
|
| 246 |
void pes_repack(p2p *p)
|
| 247 |
{
|
| 248 |
int count = 0; |
| 249 |
int repack = p->repack;
|
| 250 |
int rest = p->plength;
|
| 251 |
uint8_t buf[MAX_PLENGTH]; |
| 252 |
int bfill = 0; |
| 253 |
int diff;
|
| 254 |
uint16_t length; |
| 255 |
|
| 256 |
if (rest < 0) { |
| 257 |
fprintf(stderr,"Error in repack\n");
|
| 258 |
return;
|
| 259 |
} |
| 260 |
|
| 261 |
if (!repack){
|
| 262 |
fprintf(stderr,"forgot to set repack size\n");
|
| 263 |
return;
|
| 264 |
} |
| 265 |
|
| 266 |
if (p->plength == repack){
|
| 267 |
memcpy(p->buf+4,(char *)&p->bigend_repack,2); |
| 268 |
p->func(p->buf, repack+6, p);
|
| 269 |
return;
|
| 270 |
} |
| 271 |
|
| 272 |
buf[0] = 0x00; |
| 273 |
buf[1] = 0x00; |
| 274 |
buf[2] = 0x01; |
| 275 |
buf[3] = p->cid;
|
| 276 |
memcpy(buf+4,(char *)&p->bigend_repack,2); |
| 277 |
memset(buf+6,0,MAX_PLENGTH-6); |
| 278 |
|
| 279 |
if (p->mpeg == 2){ |
| 280 |
|
| 281 |
if ( rest > repack){
|
| 282 |
memcpy(p->buf+4,(char *)&p->bigend_repack,2); |
| 283 |
p->func(p->buf, repack+6, p);
|
| 284 |
count += repack+6;
|
| 285 |
rest -= repack; |
| 286 |
} else {
|
| 287 |
memcpy(buf,p->buf,9+p->hlength);
|
| 288 |
bfill = p->hlength; |
| 289 |
count += 9+p->hlength;
|
| 290 |
rest -= p->hlength+3;
|
| 291 |
} |
| 292 |
|
| 293 |
while (rest >= repack-3){ |
| 294 |
memset(buf+6,0,MAX_PLENGTH-6); |
| 295 |
buf[6] = 0x80; |
| 296 |
buf[7] = 0x00; |
| 297 |
buf[8] = 0x00; |
| 298 |
memcpy(buf+9,p->buf+count,repack-3); |
| 299 |
rest -= repack-3;
|
| 300 |
count += repack-3;
|
| 301 |
p->func(buf, repack+6, p);
|
| 302 |
} |
| 303 |
|
| 304 |
if (rest){
|
| 305 |
diff = repack - 3 - rest - bfill;
|
| 306 |
if (!bfill){
|
| 307 |
buf[6] = 0x80; |
| 308 |
buf[7] = 0x00; |
| 309 |
buf[8] = 0x00; |
| 310 |
} |
| 311 |
|
| 312 |
if ( diff < PES_MIN){
|
| 313 |
length = rest+ diff + bfill+3;
|
| 314 |
buf[4] = (uint8_t)((length & 0xFF00) >> 8); |
| 315 |
buf[5] = (uint8_t)(length & 0x00FF); |
| 316 |
buf[8] = (uint8_t)(bfill+diff);
|
| 317 |
memset(buf+9+bfill,0xFF,diff); |
| 318 |
memcpy(buf+9+bfill+diff,p->buf+count,rest);
|
| 319 |
} else {
|
| 320 |
length = rest+ bfill+3;
|
| 321 |
buf[4] = (uint8_t)((length & 0xFF00) >> 8); |
| 322 |
buf[5] = (uint8_t)(length & 0x00FF); |
| 323 |
memcpy(buf+9+bfill,p->buf+count,rest);
|
| 324 |
bfill += rest+9;
|
| 325 |
write_pes_header( PADDING_STREAM, diff, 0,
|
| 326 |
buf+bfill, 0);
|
| 327 |
} |
| 328 |
p->func(buf, repack+6, p);
|
| 329 |
} |
| 330 |
} |
| 331 |
|
| 332 |
if (p->mpeg == 1){ |
| 333 |
|
| 334 |
if ( rest > repack){
|
| 335 |
memcpy(p->buf+4,(char *)&p->bigend_repack,2); |
| 336 |
p->func(p->buf, repack+6, p);
|
| 337 |
count += repack+6;
|
| 338 |
rest -= repack; |
| 339 |
} else {
|
| 340 |
memcpy(buf,p->buf,6+p->hlength);
|
| 341 |
bfill = p->hlength; |
| 342 |
count += 6;
|
| 343 |
rest -= p->hlength; |
| 344 |
} |
| 345 |
|
| 346 |
while (rest >= repack-1){ |
| 347 |
memset(buf+6,0,MAX_PLENGTH-6); |
| 348 |
buf[6] = 0x0F; |
| 349 |
memcpy(buf+7,p->buf+count,repack-1); |
| 350 |
rest -= repack-1;
|
| 351 |
count += repack-1;
|
| 352 |
p->func(buf, repack+6, p);
|
| 353 |
} |
| 354 |
|
| 355 |
|
| 356 |
if (rest){
|
| 357 |
diff = repack - 1 - rest - bfill;
|
| 358 |
|
| 359 |
if ( diff < PES_MIN){
|
| 360 |
length = rest+ diff + bfill+1;
|
| 361 |
buf[4] = (uint8_t)((length & 0xFF00) >> 8); |
| 362 |
buf[5] = (uint8_t)(length & 0x00FF); |
| 363 |
memset(buf+6,0xFF,diff); |
| 364 |
if (!bfill){
|
| 365 |
buf[6+diff] = 0x0F; |
| 366 |
} |
| 367 |
memcpy(buf+7+diff,p->buf+count,rest+bfill);
|
| 368 |
} else {
|
| 369 |
length = rest+ bfill+1;
|
| 370 |
buf[4] = (uint8_t)((length & 0xFF00) >> 8); |
| 371 |
buf[5] = (uint8_t)(length & 0x00FF); |
| 372 |
if (!bfill){
|
| 373 |
buf[6] = 0x0F; |
| 374 |
memcpy(buf+7,p->buf+count,rest);
|
| 375 |
bfill = rest+7;
|
| 376 |
} else {
|
| 377 |
memcpy(buf+6,p->buf+count,rest+bfill);
|
| 378 |
bfill += rest+6;
|
| 379 |
} |
| 380 |
write_pes_header( PADDING_STREAM, diff, 0,
|
| 381 |
buf+bfill, 0);
|
| 382 |
} |
| 383 |
p->func(buf, repack+6, p);
|
| 384 |
} |
| 385 |
} |
| 386 |
} |
| 387 |
|
| 388 |
|
| 389 |
|
| 390 |
|
| 391 |
void pes_filt(p2p *p)
|
| 392 |
{
|
| 393 |
int factor = p->mpeg-1; |
| 394 |
|
| 395 |
if ( p->cid == p->filter) {
|
| 396 |
if (p->es)
|
| 397 |
write(p->fd1,p->buf+p->hlength+6+3*factor, |
| 398 |
p->plength-p->hlength-3*factor);
|
| 399 |
else
|
| 400 |
write(p->fd1,p->buf,p->plength+6);
|
| 401 |
} |
| 402 |
} |
| 403 |
|
| 404 |
#define SIZE 4096 |
| 405 |
void extract_from_pes(int fdin, int fdout, uint8_t id, int es) |
| 406 |
{
|
| 407 |
p2p p; |
| 408 |
int count = 1; |
| 409 |
uint8_t buf[SIZE]; |
| 410 |
|
| 411 |
init_p2p(&p, NULL, 2048); |
| 412 |
p.fd1 = fdout; |
| 413 |
p.filter = id; |
| 414 |
p.es = es; |
| 415 |
|
| 416 |
while (count > 0){ |
| 417 |
count = read(fdin,buf,SIZE); |
| 418 |
get_pes(buf,count,&p,pes_filt); |
| 419 |
} |
| 420 |
} |
| 421 |
|
| 422 |
|
| 423 |
void pes_dfilt(p2p *p)
|
| 424 |
{
|
| 425 |
int factor = p->mpeg-1; |
| 426 |
int fd =0; |
| 427 |
int type = NOPES;
|
| 428 |
|
| 429 |
switch ( p->cid ) {
|
| 430 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 431 |
fd = p->fd1; |
| 432 |
type = AUDIO; |
| 433 |
break;
|
| 434 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 435 |
fd = p->fd2; |
| 436 |
type = VIDEO; |
| 437 |
break;
|
| 438 |
} |
| 439 |
|
| 440 |
if (p->es && !p->startv && type == VIDEO){
|
| 441 |
int found = 0; |
| 442 |
int c = 6+p->hlength+3*factor; |
| 443 |
|
| 444 |
if ( p->flag2 & PTS_DTS )
|
| 445 |
p->vpts = ntohl(trans_pts_dts(p->pts)); |
| 446 |
while ( !found && c+3 < p->plength+6 ){ |
| 447 |
if ( p->buf[c] == 0x00 && |
| 448 |
p->buf[c+1] == 0x00 && |
| 449 |
p->buf[c+2] == 0x01 && |
| 450 |
p->buf[c+3] == 0xb3) |
| 451 |
found = 1;
|
| 452 |
else c++;
|
| 453 |
} |
| 454 |
if (found){
|
| 455 |
p->startv = 1;
|
| 456 |
write(fd, p->buf+c, p->plength+6-c);
|
| 457 |
} |
| 458 |
fd = 0;
|
| 459 |
} |
| 460 |
|
| 461 |
|
| 462 |
if ( p->es && !p->starta && type == AUDIO){
|
| 463 |
int found = 0; |
| 464 |
int c = 6+p->hlength+3*factor; |
| 465 |
if ( p->flag2 & PTS_DTS )
|
| 466 |
p->apts = ntohl(trans_pts_dts(p->pts)); |
| 467 |
if (p->startv)
|
| 468 |
while ( !found && c+1 < p->plength+6){ |
| 469 |
if ( p->buf[c] == 0xFF && |
| 470 |
(p->buf[c+1] & 0xF8) == 0xF8) |
| 471 |
found = 1;
|
| 472 |
else c++;
|
| 473 |
} |
| 474 |
if (found){
|
| 475 |
p->starta = 1;
|
| 476 |
write(fd, p->buf+c, p->plength+6-c);
|
| 477 |
} |
| 478 |
fd = 0;
|
| 479 |
} |
| 480 |
|
| 481 |
|
| 482 |
if (fd){
|
| 483 |
if (p->es)
|
| 484 |
write(fd,p->buf+p->hlength+6+3*factor, |
| 485 |
p->plength-p->hlength-3*factor);
|
| 486 |
else
|
| 487 |
write(fd,p->buf,p->plength+6);
|
| 488 |
} |
| 489 |
} |
| 490 |
|
| 491 |
int64_t pes_dmx( int fdin, int fdouta, int fdoutv, int es) |
| 492 |
{
|
| 493 |
p2p p; |
| 494 |
int count = 1; |
| 495 |
uint8_t buf[SIZE]; |
| 496 |
uint64_t length = 0;
|
| 497 |
uint64_t l = 0;
|
| 498 |
int verb = 0; |
| 499 |
|
| 500 |
init_p2p(&p, NULL, 2048); |
| 501 |
p.fd1 = fdouta; |
| 502 |
p.fd2 = fdoutv; |
| 503 |
p.es = es; |
| 504 |
p.startv = 0;
|
| 505 |
p.starta = 0;
|
| 506 |
p.apts=-1;
|
| 507 |
p.vpts=-1;
|
| 508 |
|
| 509 |
if (fdin != STDIN_FILENO) verb = 1; |
| 510 |
|
| 511 |
if (verb) {
|
| 512 |
length = lseek(fdin, 0, SEEK_END);
|
| 513 |
lseek(fdin,0,SEEK_SET);
|
| 514 |
} |
| 515 |
|
| 516 |
while (count > 0){ |
| 517 |
count = read(fdin,buf,SIZE); |
| 518 |
l += count; |
| 519 |
if (verb)
|
| 520 |
fprintf(stderr,"Demuxing %2.2f %%\r",
|
| 521 |
100.*l/length); |
| 522 |
|
| 523 |
get_pes(buf,count,&p,pes_dfilt); |
| 524 |
} |
| 525 |
|
| 526 |
return (int64_t)p.vpts - (int64_t)p.apts;
|
| 527 |
|
| 528 |
} |
| 529 |
|
| 530 |
|
| 531 |
|
| 532 |
static void pes_in_ts(p2p *p) |
| 533 |
{
|
| 534 |
int l, pes_start;
|
| 535 |
uint8_t obuf[TS_SIZE]; |
| 536 |
long int c = 0; |
| 537 |
int length = p->plength+6; |
| 538 |
uint16_t pid; |
| 539 |
uint8_t *counter; |
| 540 |
pes_start = 1;
|
| 541 |
switch ( p->cid ) {
|
| 542 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 543 |
pid = p->pida; |
| 544 |
counter = &p->acounter; |
| 545 |
break;
|
| 546 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 547 |
pid = p->pidv; |
| 548 |
counter = &p->acounter; |
| 549 |
|
| 550 |
tspid0[3] |= (p->count0++)
|
| 551 |
& 0x0F ;
|
| 552 |
tspid1[3] |= (p->count1++)
|
| 553 |
& 0x0F ;
|
| 554 |
|
| 555 |
tspid1[24] = p->pidv;
|
| 556 |
tspid1[23] |= (p->pidv >> 8) & 0x3F; |
| 557 |
tspid1[29] = p->pida;
|
| 558 |
tspid1[28] |= (p->pida >> 8) & 0x3F; |
| 559 |
|
| 560 |
p->func(tspid0,188,p);
|
| 561 |
p->func(tspid1,188,p);
|
| 562 |
break;
|
| 563 |
default:
|
| 564 |
return;
|
| 565 |
} |
| 566 |
|
| 567 |
while ( c < length ){
|
| 568 |
memset(obuf,0,TS_SIZE);
|
| 569 |
if (length - c >= TS_SIZE-4){ |
| 570 |
l = write_ts_header(pid, counter, pes_start |
| 571 |
, obuf, TS_SIZE-4);
|
| 572 |
memcpy(obuf+l, p->buf+c, TS_SIZE-l); |
| 573 |
c += TS_SIZE-l; |
| 574 |
} else {
|
| 575 |
l = write_ts_header(pid, counter, pes_start |
| 576 |
, obuf, length-c); |
| 577 |
memcpy(obuf+l, p->buf+c, TS_SIZE-l); |
| 578 |
c = length; |
| 579 |
} |
| 580 |
p->func(obuf,188,p);
|
| 581 |
pes_start = 0;
|
| 582 |
} |
| 583 |
} |
| 584 |
|
| 585 |
|
| 586 |
|
| 587 |
void pes_to_ts2( int fdin, int fdout, uint16_t pida, uint16_t pidv) |
| 588 |
{
|
| 589 |
p2p p; |
| 590 |
int count = 1; |
| 591 |
uint8_t buf[SIZE]; |
| 592 |
uint64_t length = 0;
|
| 593 |
uint64_t l = 0;
|
| 594 |
int verb = 0; |
| 595 |
|
| 596 |
init_p2p(&p, NULL, 2048); |
| 597 |
p.fd1 = fdout; |
| 598 |
p.pida = pida; |
| 599 |
p.pidv = pidv; |
| 600 |
p.acounter = 0;
|
| 601 |
p.vcounter = 0;
|
| 602 |
p.count1 = 0;
|
| 603 |
p.count0 = 0;
|
| 604 |
|
| 605 |
if (fdin != STDIN_FILENO) verb = 1; |
| 606 |
|
| 607 |
if (verb) {
|
| 608 |
length = lseek(fdin, 0, SEEK_END);
|
| 609 |
lseek(fdin,0,SEEK_SET);
|
| 610 |
} |
| 611 |
|
| 612 |
while (count > 0){ |
| 613 |
count = read(fdin,buf,SIZE); |
| 614 |
l += count; |
| 615 |
if (verb)
|
| 616 |
fprintf(stderr,"Writing TS %2.2f %%\r",
|
| 617 |
100.*l/length); |
| 618 |
|
| 619 |
get_pes(buf,count,&p,pes_in_ts); |
| 620 |
} |
| 621 |
|
| 622 |
} |
| 623 |
|
| 624 |
void write_out(uint8_t *buf, int count,void *p) |
| 625 |
{
|
| 626 |
write(STDOUT_FILENO, buf, count); |
| 627 |
} |
| 628 |
|
| 629 |
|
| 630 |
#define IN_SIZE TS_SIZE*10 |
| 631 |
#define IPACKS 2048 |
| 632 |
void find_avpids(int fd, uint16_t *vpid, uint16_t *apid) |
| 633 |
{
|
| 634 |
uint8_t buf[IN_SIZE]; |
| 635 |
int count;
|
| 636 |
int i;
|
| 637 |
int off =0; |
| 638 |
|
| 639 |
while ( *apid == 0 || *vpid == 0){ |
| 640 |
count = read(fd, buf, IN_SIZE); |
| 641 |
for (i = 0; i < count-7; i++){ |
| 642 |
if (buf[i] == 0x47){ |
| 643 |
if (buf[i+1] & 0x40){ |
| 644 |
off = 0;
|
| 645 |
if ( buf[3+i] & 0x20)//adapt field? |
| 646 |
off = buf[4+i] + 1; |
| 647 |
switch(buf[i+7+off]){ |
| 648 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 649 |
*vpid = get_pid(buf+i+1);
|
| 650 |
break;
|
| 651 |
case PRIVATE_STREAM1:
|
| 652 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 653 |
*apid = get_pid(buf+i+1);
|
| 654 |
break;
|
| 655 |
} |
| 656 |
} |
| 657 |
i += 187;
|
| 658 |
} |
| 659 |
if (*apid != 0 && *vpid != 0) break; |
| 660 |
} |
| 661 |
} |
| 662 |
} |
| 663 |
|
| 664 |
void find_bavpids(uint8_t *buf, int count, uint16_t *vpid, uint16_t *apid) |
| 665 |
{
|
| 666 |
int i;
|
| 667 |
int founda = 0; |
| 668 |
int foundb = 0; |
| 669 |
int off = 0; |
| 670 |
|
| 671 |
*vpid = 0;
|
| 672 |
*apid = 0;
|
| 673 |
for (i = 0; i < count-7; i++){ |
| 674 |
if (buf[i] == 0x47){ |
| 675 |
if ((buf[i+1] & 0xF0) == 0x40){ |
| 676 |
off = 0;
|
| 677 |
if ( buf[3+i] & 0x20) // adaptation field? |
| 678 |
off = buf[4+i] + 1; |
| 679 |
|
| 680 |
if (buf[off+i+4] == 0x00 && |
| 681 |
buf[off+i+5] == 0x00 && |
| 682 |
buf[off+i+6] == 0x01){ |
| 683 |
switch(buf[off+i+7]){ |
| 684 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 685 |
*vpid = get_pid(buf+i+1);
|
| 686 |
foundb=1;
|
| 687 |
break;
|
| 688 |
case PRIVATE_STREAM1:
|
| 689 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 690 |
*apid = get_pid(buf+i+1);
|
| 691 |
founda=1;
|
| 692 |
break;
|
| 693 |
} |
| 694 |
} |
| 695 |
} |
| 696 |
i += 187;
|
| 697 |
} |
| 698 |
if (founda && foundb) break; |
| 699 |
} |
| 700 |
} |
| 701 |
|
| 702 |
|
| 703 |
void ts_to_pes( int fdin, uint16_t pida, uint16_t pidv, int ps) |
| 704 |
{
|
| 705 |
|
| 706 |
uint8_t buf[IN_SIZE]; |
| 707 |
uint8_t mbuf[TS_SIZE]; |
| 708 |
int i;
|
| 709 |
int count = 1; |
| 710 |
uint16_t pid; |
| 711 |
uint16_t dummy; |
| 712 |
ipack pa, pv; |
| 713 |
ipack *p; |
| 714 |
|
| 715 |
if (fdin != STDIN_FILENO && (!pida || !pidv))
|
| 716 |
find_avpids(fdin, &pidv, &pida); |
| 717 |
|
| 718 |
init_ipack(&pa, IPACKS,write_out, ps); |
| 719 |
init_ipack(&pv, IPACKS,write_out, ps); |
| 720 |
|
| 721 |
if ((count = read(fdin,mbuf,TS_SIZE))<0) |
| 722 |
perror("reading");
|
| 723 |
|
| 724 |
for ( i = 0; i < 188 ; i++){ |
| 725 |
if ( mbuf[i] == 0x47 ) break; |
| 726 |
} |
| 727 |
if ( i == 188){ |
| 728 |
fprintf(stderr,"Not a TS\n");
|
| 729 |
return;
|
| 730 |
} else {
|
| 731 |
memcpy(buf,mbuf+i,TS_SIZE-i); |
| 732 |
if ((count = read(fdin,mbuf,i))<0) |
| 733 |
perror("reading");
|
| 734 |
memcpy(buf+TS_SIZE-i,mbuf,i); |
| 735 |
i = 188;
|
| 736 |
} |
| 737 |
count = 1;
|
| 738 |
while (count > 0){ |
| 739 |
if ((count = read(fdin,buf+i,IN_SIZE-i))<0) |
| 740 |
perror("reading");
|
| 741 |
|
| 742 |
|
| 743 |
if (!pidv){
|
| 744 |
find_bavpids(buf+i, IN_SIZE-i, &pidv, &dummy); |
| 745 |
if (pidv) fprintf(stderr, "vpid %d (0x%02x)\n", |
| 746 |
pidv,pidv); |
| 747 |
} |
| 748 |
|
| 749 |
if (!pida){
|
| 750 |
find_bavpids(buf+i, IN_SIZE-i, &dummy, &pida); |
| 751 |
if (pida) fprintf(stderr, "apid %d (0x%02x)\n", |
| 752 |
pida,pida); |
| 753 |
} |
| 754 |
|
| 755 |
|
| 756 |
for( i = 0; i < count; i+= TS_SIZE){ |
| 757 |
uint8_t off = 0;
|
| 758 |
|
| 759 |
if ( count - i < TS_SIZE) break; |
| 760 |
|
| 761 |
pid = get_pid(buf+i+1);
|
| 762 |
if (!(buf[3+i]&0x10)) // no payload? |
| 763 |
continue;
|
| 764 |
if (pid == pidv){
|
| 765 |
p = &pv; |
| 766 |
} else {
|
| 767 |
if (pid == pida){
|
| 768 |
p = &pa; |
| 769 |
} else continue; |
| 770 |
} |
| 771 |
|
| 772 |
if ( buf[1+i]&0x40) { |
| 773 |
if (p->plength == MMAX_PLENGTH-6){ |
| 774 |
p->plength = p->found-6;
|
| 775 |
p->found = 0;
|
| 776 |
send_ipack(p); |
| 777 |
reset_ipack(p); |
| 778 |
} |
| 779 |
} |
| 780 |
|
| 781 |
if ( buf[3+i] & 0x20) { // adaptation field? |
| 782 |
off = buf[4+i] + 1; |
| 783 |
} |
| 784 |
|
| 785 |
instant_repack(buf+4+off+i, TS_SIZE-4-off, p); |
| 786 |
} |
| 787 |
i = 0;
|
| 788 |
|
| 789 |
} |
| 790 |
|
| 791 |
} |
| 792 |
|
| 793 |
|
| 794 |
#define INN_SIZE 2*IN_SIZE |
| 795 |
void insert_pat_pmt( int fdin, int fdout) |
| 796 |
{
|
| 797 |
|
| 798 |
uint8_t buf[INN_SIZE]; |
| 799 |
uint8_t mbuf[TS_SIZE]; |
| 800 |
int i;
|
| 801 |
int count = 1; |
| 802 |
uint16_t pida = 0;
|
| 803 |
uint16_t pidv = 0;
|
| 804 |
int written,c;
|
| 805 |
uint8_t c0 = 0;
|
| 806 |
uint8_t c1 = 0;
|
| 807 |
|
| 808 |
|
| 809 |
find_avpids(fdin, &pidv, &pida); |
| 810 |
|
| 811 |
count = read(fdin,mbuf,TS_SIZE); |
| 812 |
for ( i = 0; i < 188 ; i++){ |
| 813 |
if ( mbuf[i] == 0x47 ) break; |
| 814 |
} |
| 815 |
if ( i == 188){ |
| 816 |
fprintf(stderr,"Not a TS\n");
|
| 817 |
return;
|
| 818 |
} else {
|
| 819 |
memcpy(buf,mbuf+i,TS_SIZE-i); |
| 820 |
count = read(fdin,mbuf,i); |
| 821 |
memcpy(buf+TS_SIZE-i,mbuf,i); |
| 822 |
i = 188;
|
| 823 |
} |
| 824 |
|
| 825 |
count = 1;
|
| 826 |
while (count > 0){ |
| 827 |
tspid1[24] = pidv;
|
| 828 |
tspid1[23] |= (pidv >> 8) & 0x3F; |
| 829 |
tspid1[29] = pida;
|
| 830 |
tspid1[28] |= (pida >> 8) & 0x3F; |
| 831 |
|
| 832 |
write(fdout,tspid0,188);
|
| 833 |
write(fdout,tspid1,188);
|
| 834 |
|
| 835 |
count = read(fdin,buf+i,INN_SIZE-i); |
| 836 |
|
| 837 |
written = 0;
|
| 838 |
while (written < IN_SIZE){
|
| 839 |
c = write(fdout,buf,INN_SIZE); |
| 840 |
if (c>0) written += c; |
| 841 |
} |
| 842 |
tspid0[3] |= (c0++)
|
| 843 |
& 0x0F ;
|
| 844 |
tspid1[3] |= (c1++)
|
| 845 |
& 0x0F ;
|
| 846 |
|
| 847 |
i=0;
|
| 848 |
} |
| 849 |
|
| 850 |
} |
| 851 |
|
| 852 |
void get_pes (uint8_t *buf, int count, p2p *p, void (*func)(p2p *p)) |
| 853 |
{
|
| 854 |
|
| 855 |
int l;
|
| 856 |
unsigned short *pl; |
| 857 |
int c=0; |
| 858 |
|
| 859 |
uint8_t headr[3] = { 0x00, 0x00, 0x01} ; |
| 860 |
|
| 861 |
while (c < count && (p->mpeg == 0 || |
| 862 |
(p->mpeg == 1 && p->found < 7) || |
| 863 |
(p->mpeg == 2 && p->found < 9)) |
| 864 |
&& (p->found < 5 || !p->done)){
|
| 865 |
switch ( p->found ){
|
| 866 |
case 0: |
| 867 |
case 1: |
| 868 |
if (buf[c] == 0x00) p->found++; |
| 869 |
else p->found = 0; |
| 870 |
c++; |
| 871 |
break;
|
| 872 |
case 2: |
| 873 |
if (buf[c] == 0x01) p->found++; |
| 874 |
else if (buf[c] == 0){ |
| 875 |
p->found = 2;
|
| 876 |
} else p->found = 0; |
| 877 |
c++; |
| 878 |
break;
|
| 879 |
case 3: |
| 880 |
p->cid = 0;
|
| 881 |
switch (buf[c]){
|
| 882 |
case PROG_STREAM_MAP:
|
| 883 |
case PRIVATE_STREAM2:
|
| 884 |
case PROG_STREAM_DIR:
|
| 885 |
case ECM_STREAM :
|
| 886 |
case EMM_STREAM :
|
| 887 |
case PADDING_STREAM :
|
| 888 |
case DSM_CC_STREAM :
|
| 889 |
case ISO13522_STREAM:
|
| 890 |
p->done = 1;
|
| 891 |
case PRIVATE_STREAM1:
|
| 892 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 893 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 894 |
p->found++; |
| 895 |
p->cid = buf[c]; |
| 896 |
c++; |
| 897 |
break;
|
| 898 |
default:
|
| 899 |
p->found = 0;
|
| 900 |
break;
|
| 901 |
} |
| 902 |
break;
|
| 903 |
|
| 904 |
|
| 905 |
case 4: |
| 906 |
if (count-c > 1){ |
| 907 |
pl = (unsigned short *) (buf+c); |
| 908 |
p->plength = ntohs(*pl); |
| 909 |
p->plen[0] = buf[c];
|
| 910 |
c++; |
| 911 |
p->plen[1] = buf[c];
|
| 912 |
c++; |
| 913 |
p->found+=2;
|
| 914 |
} else {
|
| 915 |
p->plen[0] = buf[c];
|
| 916 |
p->found++; |
| 917 |
return;
|
| 918 |
} |
| 919 |
break;
|
| 920 |
case 5: |
| 921 |
p->plen[1] = buf[c];
|
| 922 |
c++; |
| 923 |
pl = (unsigned short *) p->plen; |
| 924 |
p->plength = ntohs(*pl); |
| 925 |
p->found++; |
| 926 |
break;
|
| 927 |
|
| 928 |
|
| 929 |
case 6: |
| 930 |
if (!p->done){
|
| 931 |
p->flag1 = buf[c]; |
| 932 |
c++; |
| 933 |
p->found++; |
| 934 |
if ( (p->flag1 & 0xC0) == 0x80 ) p->mpeg = 2; |
| 935 |
else {
|
| 936 |
p->hlength = 0;
|
| 937 |
p->which = 0;
|
| 938 |
p->mpeg = 1;
|
| 939 |
p->flag2 = 0;
|
| 940 |
} |
| 941 |
} |
| 942 |
break;
|
| 943 |
|
| 944 |
case 7: |
| 945 |
if ( !p->done && p->mpeg == 2){ |
| 946 |
p->flag2 = buf[c]; |
| 947 |
c++; |
| 948 |
p->found++; |
| 949 |
} |
| 950 |
break;
|
| 951 |
|
| 952 |
case 8: |
| 953 |
if ( !p->done && p->mpeg == 2){ |
| 954 |
p->hlength = buf[c]; |
| 955 |
c++; |
| 956 |
p->found++; |
| 957 |
} |
| 958 |
break;
|
| 959 |
|
| 960 |
default:
|
| 961 |
|
| 962 |
break;
|
| 963 |
} |
| 964 |
} |
| 965 |
|
| 966 |
if (!p->plength) p->plength = MMAX_PLENGTH-6; |
| 967 |
|
| 968 |
|
| 969 |
if ( p->done || ((p->mpeg == 2 && p->found >= 9) || |
| 970 |
(p->mpeg == 1 && p->found >= 7)) ){ |
| 971 |
switch (p->cid){
|
| 972 |
|
| 973 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 974 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 975 |
case PRIVATE_STREAM1:
|
| 976 |
|
| 977 |
memcpy(p->buf, headr, 3);
|
| 978 |
p->buf[3] = p->cid;
|
| 979 |
memcpy(p->buf+4,p->plen,2); |
| 980 |
|
| 981 |
if (p->mpeg == 2 && p->found == 9){ |
| 982 |
p->buf[6] = p->flag1;
|
| 983 |
p->buf[7] = p->flag2;
|
| 984 |
p->buf[8] = p->hlength;
|
| 985 |
} |
| 986 |
|
| 987 |
if (p->mpeg == 1 && p->found == 7){ |
| 988 |
p->buf[6] = p->flag1;
|
| 989 |
} |
| 990 |
|
| 991 |
|
| 992 |
if (p->mpeg == 2 && (p->flag2 & PTS_ONLY) && |
| 993 |
p->found < 14){
|
| 994 |
while (c < count && p->found < 14){ |
| 995 |
p->pts[p->found-9] = buf[c];
|
| 996 |
p->buf[p->found] = buf[c]; |
| 997 |
c++; |
| 998 |
p->found++; |
| 999 |
} |
| 1000 |
if (c == count) return; |
| 1001 |
} |
| 1002 |
|
| 1003 |
if (p->mpeg == 1 && p->which < 2000){ |
| 1004 |
|
| 1005 |
if (p->found == 7) { |
| 1006 |
p->check = p->flag1; |
| 1007 |
p->hlength = 1;
|
| 1008 |
} |
| 1009 |
|
| 1010 |
while (!p->which && c < count &&
|
| 1011 |
p->check == 0xFF){
|
| 1012 |
p->check = buf[c]; |
| 1013 |
p->buf[p->found] = buf[c]; |
| 1014 |
c++; |
| 1015 |
p->found++; |
| 1016 |
p->hlength++; |
| 1017 |
} |
| 1018 |
|
| 1019 |
if ( c == count) return; |
| 1020 |
|
| 1021 |
if ( (p->check & 0xC0) == 0x40 && !p->which){ |
| 1022 |
p->check = buf[c]; |
| 1023 |
p->buf[p->found] = buf[c]; |
| 1024 |
c++; |
| 1025 |
p->found++; |
| 1026 |
p->hlength++; |
| 1027 |
|
| 1028 |
p->which = 1;
|
| 1029 |
if ( c == count) return; |
| 1030 |
p->check = buf[c]; |
| 1031 |
p->buf[p->found] = buf[c]; |
| 1032 |
c++; |
| 1033 |
p->found++; |
| 1034 |
p->hlength++; |
| 1035 |
p->which = 2;
|
| 1036 |
if ( c == count) return; |
| 1037 |
} |
| 1038 |
|
| 1039 |
if (p->which == 1){ |
| 1040 |
p->check = buf[c]; |
| 1041 |
p->buf[p->found] = buf[c]; |
| 1042 |
c++; |
| 1043 |
p->found++; |
| 1044 |
p->hlength++; |
| 1045 |
p->which = 2;
|
| 1046 |
if ( c == count) return; |
| 1047 |
} |
| 1048 |
|
| 1049 |
if ( (p->check & 0x30) && p->check != 0xFF){ |
| 1050 |
p->flag2 = (p->check & 0xF0) << 2; |
| 1051 |
p->pts[0] = p->check;
|
| 1052 |
p->which = 3;
|
| 1053 |
} |
| 1054 |
|
| 1055 |
if ( c == count) return; |
| 1056 |
if (p->which > 2){ |
| 1057 |
if ((p->flag2 & PTS_DTS_FLAGS)
|
| 1058 |
== PTS_ONLY){
|
| 1059 |
while (c < count &&
|
| 1060 |
p->which < 7){
|
| 1061 |
p->pts[p->which-2] =
|
| 1062 |
buf[c]; |
| 1063 |
p->buf[p->found] = |
| 1064 |
buf[c]; |
| 1065 |
c++; |
| 1066 |
p->found++; |
| 1067 |
p->which++; |
| 1068 |
p->hlength++; |
| 1069 |
} |
| 1070 |
if ( c == count) return; |
| 1071 |
} else if ((p->flag2 & PTS_DTS_FLAGS) |
| 1072 |
== PTS_DTS){
|
| 1073 |
while (c < count &&
|
| 1074 |
p->which< 12){
|
| 1075 |
if (p->which< 7) |
| 1076 |
p->pts[p->which |
| 1077 |
-2] =
|
| 1078 |
buf[c]; |
| 1079 |
p->buf[p->found] = |
| 1080 |
buf[c]; |
| 1081 |
c++; |
| 1082 |
p->found++; |
| 1083 |
p->which++; |
| 1084 |
p->hlength++; |
| 1085 |
} |
| 1086 |
if ( c == count) return; |
| 1087 |
} |
| 1088 |
p->which = 2000;
|
| 1089 |
} |
| 1090 |
|
| 1091 |
} |
| 1092 |
|
| 1093 |
while (c < count && p->found < p->plength+6){ |
| 1094 |
l = count -c; |
| 1095 |
if (l+p->found > p->plength+6) |
| 1096 |
l = p->plength+6-p->found;
|
| 1097 |
memcpy(p->buf+p->found, buf+c, l); |
| 1098 |
p->found += l; |
| 1099 |
c += l; |
| 1100 |
} |
| 1101 |
if(p->found == p->plength+6) |
| 1102 |
func(p); |
| 1103 |
|
| 1104 |
break;
|
| 1105 |
} |
| 1106 |
|
| 1107 |
|
| 1108 |
if ( p->done ){
|
| 1109 |
if( p->found + count - c < p->plength+6){ |
| 1110 |
p->found += count-c; |
| 1111 |
c = count; |
| 1112 |
} else {
|
| 1113 |
c += p->plength+6 - p->found;
|
| 1114 |
p->found = p->plength+6;
|
| 1115 |
} |
| 1116 |
} |
| 1117 |
|
| 1118 |
if (p->plength && p->found == p->plength+6) { |
| 1119 |
p->found = 0;
|
| 1120 |
p->done = 0;
|
| 1121 |
p->plength = 0;
|
| 1122 |
memset(p->buf, 0, MAX_PLENGTH);
|
| 1123 |
if (c < count)
|
| 1124 |
get_pes(buf+c, count-c, p, func); |
| 1125 |
} |
| 1126 |
} |
| 1127 |
return;
|
| 1128 |
} |
| 1129 |
|
| 1130 |
|
| 1131 |
|
| 1132 |
|
| 1133 |
void setup_pes2ts( p2p *p, uint32_t pida, uint32_t pidv,
|
| 1134 |
void (*ts_write)(uint8_t *buf, int count, p2p *p)) |
| 1135 |
{
|
| 1136 |
init_p2p( p, ts_write, 2048);
|
| 1137 |
p->pida = pida; |
| 1138 |
p->pidv = pidv; |
| 1139 |
p->acounter = 0;
|
| 1140 |
p->vcounter = 0;
|
| 1141 |
p->count1 = 0;
|
| 1142 |
p->count0 = 0;
|
| 1143 |
} |
| 1144 |
|
| 1145 |
void kpes_to_ts( p2p *p,uint8_t *buf ,int count ) |
| 1146 |
{
|
| 1147 |
get_pes(buf,count, p,pes_in_ts); |
| 1148 |
} |
| 1149 |
|
| 1150 |
|
| 1151 |
void setup_ts2pes( p2p *pa, p2p *pv, uint32_t pida, uint32_t pidv,
|
| 1152 |
void (*pes_write)(uint8_t *buf, int count, p2p *p)) |
| 1153 |
{
|
| 1154 |
init_p2p( pa, pes_write, 2048);
|
| 1155 |
init_p2p( pv, pes_write, 2048);
|
| 1156 |
pa->pid = pida; |
| 1157 |
pv->pid = pidv; |
| 1158 |
} |
| 1159 |
|
| 1160 |
void kts_to_pes( p2p *p, uint8_t *buf) // don't need count (=188) |
| 1161 |
{
|
| 1162 |
uint8_t off = 0;
|
| 1163 |
uint16_t pid = 0;
|
| 1164 |
|
| 1165 |
if (!(buf[3]&PAYLOAD)) // no payload? |
| 1166 |
return;
|
| 1167 |
|
| 1168 |
pid = get_pid(buf+1);
|
| 1169 |
|
| 1170 |
if (pid != p->pid) return; |
| 1171 |
|
| 1172 |
if ( buf[1]&PAY_START) { |
| 1173 |
if (p->plength == MMAX_PLENGTH-6){ |
| 1174 |
p->plength = p->found-6;
|
| 1175 |
p->found = 0;
|
| 1176 |
pes_repack(p); |
| 1177 |
} |
| 1178 |
} |
| 1179 |
|
| 1180 |
if ( buf[3] & ADAPT_FIELD) { // adaptation field? |
| 1181 |
off = buf[4] + 1; |
| 1182 |
if (off+4 > 187) return; |
| 1183 |
} |
| 1184 |
|
| 1185 |
get_pes(buf+4+off, TS_SIZE-4-off, p , pes_repack); |
| 1186 |
} |
| 1187 |
|
| 1188 |
|
| 1189 |
|
| 1190 |
|
| 1191 |
// instant repack
|
| 1192 |
|
| 1193 |
|
| 1194 |
void reset_ipack(ipack *p)
|
| 1195 |
{
|
| 1196 |
p->found = 0;
|
| 1197 |
p->cid = 0;
|
| 1198 |
p->plength = 0;
|
| 1199 |
p->flag1 = 0;
|
| 1200 |
p->flag2 = 0;
|
| 1201 |
p->hlength = 0;
|
| 1202 |
p->mpeg = 0;
|
| 1203 |
p->check = 0;
|
| 1204 |
p->which = 0;
|
| 1205 |
p->done = 0;
|
| 1206 |
p->count = 0;
|
| 1207 |
p->size = p->size_orig; |
| 1208 |
} |
| 1209 |
|
| 1210 |
void init_ipack(ipack *p, int size, |
| 1211 |
void (*func)(uint8_t *buf, int size, void *priv), int ps) |
| 1212 |
{
|
| 1213 |
if ( !(p->buf = malloc(size)) ){
|
| 1214 |
fprintf(stderr,"Couldn't allocate memory for ipack\n");
|
| 1215 |
exit(1);
|
| 1216 |
} |
| 1217 |
p->ps = ps; |
| 1218 |
p->size_orig = size; |
| 1219 |
p->func = func; |
| 1220 |
reset_ipack(p); |
| 1221 |
p->has_ai = 0;
|
| 1222 |
p->has_vi = 0;
|
| 1223 |
p->start = 0;
|
| 1224 |
} |
| 1225 |
|
| 1226 |
void free_ipack(ipack * p)
|
| 1227 |
{
|
| 1228 |
if (p->buf) free(p->buf);
|
| 1229 |
} |
| 1230 |
|
| 1231 |
|
| 1232 |
|
| 1233 |
int get_vinfo(uint8_t *mbuf, int count, VideoInfo *vi, int pr) |
| 1234 |
{
|
| 1235 |
uint8_t *headr; |
| 1236 |
int found = 0; |
| 1237 |
int sw;
|
| 1238 |
int form = -1; |
| 1239 |
int c = 0; |
| 1240 |
|
| 1241 |
while (found < 4 && c+4 < count){ |
| 1242 |
uint8_t *b; |
| 1243 |
|
| 1244 |
b = mbuf+c; |
| 1245 |
if ( b[0] == 0x00 && b[1] == 0x00 && b[2] == 0x01 |
| 1246 |
&& b[3] == 0xb3) found = 4; |
| 1247 |
else {
|
| 1248 |
c++; |
| 1249 |
} |
| 1250 |
} |
| 1251 |
|
| 1252 |
if (! found) return -1; |
| 1253 |
c += 4;
|
| 1254 |
if (c+12 >= count) return -1; |
| 1255 |
headr = mbuf+c; |
| 1256 |
|
| 1257 |
vi->horizontal_size = ((headr[1] &0xF0) >> 4) | (headr[0] << 4); |
| 1258 |
vi->vertical_size = ((headr[1] &0x0F) << 8) | (headr[2]); |
| 1259 |
|
| 1260 |
sw = (int)((headr[3]&0xF0) >> 4) ; |
| 1261 |
|
| 1262 |
switch( sw ){
|
| 1263 |
case 1: |
| 1264 |
if (pr)
|
| 1265 |
fprintf(stderr,"Videostream: ASPECT: 1:1");
|
| 1266 |
vi->aspect_ratio = 100;
|
| 1267 |
break;
|
| 1268 |
case 2: |
| 1269 |
if (pr)
|
| 1270 |
fprintf(stderr,"Videostream: ASPECT: 4:3");
|
| 1271 |
vi->aspect_ratio = 133;
|
| 1272 |
break;
|
| 1273 |
case 3: |
| 1274 |
if (pr)
|
| 1275 |
fprintf(stderr,"Videostream: ASPECT: 16:9");
|
| 1276 |
vi->aspect_ratio = 177;
|
| 1277 |
break;
|
| 1278 |
case 4: |
| 1279 |
if (pr)
|
| 1280 |
fprintf(stderr,"Videostream: ASPECT: 2.21:1");
|
| 1281 |
vi->aspect_ratio = 221;
|
| 1282 |
break;
|
| 1283 |
|
| 1284 |
case 5 ... 15: |
| 1285 |
if (pr)
|
| 1286 |
fprintf(stderr,"Videostream: ASPECT: reserved");
|
| 1287 |
vi->aspect_ratio = 0;
|
| 1288 |
break;
|
| 1289 |
|
| 1290 |
default:
|
| 1291 |
vi->aspect_ratio = 0;
|
| 1292 |
return -1; |
| 1293 |
} |
| 1294 |
|
| 1295 |
if (pr)
|
| 1296 |
fprintf(stderr," Size = %dx%d",vi->horizontal_size,
|
| 1297 |
vi->vertical_size); |
| 1298 |
|
| 1299 |
sw = (int)(headr[3]&0x0F); |
| 1300 |
|
| 1301 |
switch ( sw ) {
|
| 1302 |
case 1: |
| 1303 |
if (pr)
|
| 1304 |
fprintf(stderr," FRate: 23.976 fps");
|
| 1305 |
vi->framerate = 24000/1001.; |
| 1306 |
form = -1;
|
| 1307 |
break;
|
| 1308 |
case 2: |
| 1309 |
if (pr)
|
| 1310 |
fprintf(stderr," FRate: 24 fps");
|
| 1311 |
vi->framerate = 24;
|
| 1312 |
form = -1;
|
| 1313 |
break;
|
| 1314 |
case 3: |
| 1315 |
if (pr)
|
| 1316 |
fprintf(stderr," FRate: 25 fps");
|
| 1317 |
vi->framerate = 25;
|
| 1318 |
form = VIDEO_MODE_PAL; |
| 1319 |
break;
|
| 1320 |
case 4: |
| 1321 |
if (pr)
|
| 1322 |
fprintf(stderr," FRate: 29.97 fps");
|
| 1323 |
vi->framerate = 30000/1001.; |
| 1324 |
form = VIDEO_MODE_NTSC; |
| 1325 |
break;
|
| 1326 |
case 5: |
| 1327 |
if (pr)
|
| 1328 |
fprintf(stderr," FRate: 30 fps");
|
| 1329 |
vi->framerate = 30;
|
| 1330 |
form = VIDEO_MODE_NTSC; |
| 1331 |
break;
|
| 1332 |
case 6: |
| 1333 |
if (pr)
|
| 1334 |
fprintf(stderr," FRate: 50 fps");
|
| 1335 |
vi->framerate = 50;
|
| 1336 |
form = VIDEO_MODE_PAL; |
| 1337 |
break;
|
| 1338 |
case 7: |
| 1339 |
if (pr)
|
| 1340 |
fprintf(stderr," FRate: 60 fps");
|
| 1341 |
vi->framerate = 60;
|
| 1342 |
form = VIDEO_MODE_NTSC; |
| 1343 |
break;
|
| 1344 |
} |
| 1345 |
|
| 1346 |
vi->bit_rate = 400*(((headr[4] << 10) & 0x0003FC00UL) |
| 1347 |
| ((headr[5] << 2) & 0x000003FCUL) | |
| 1348 |
(((headr[6] & 0xC0) >> 6) & 0x00000003UL)); |
| 1349 |
|
| 1350 |
if (pr){
|
| 1351 |
fprintf(stderr," BRate: %.2f Mbit/s",(vi->bit_rate)/1000000.); |
| 1352 |
fprintf(stderr,"\n");
|
| 1353 |
} |
| 1354 |
vi->video_format = form; |
| 1355 |
|
| 1356 |
vi->off = c-4;
|
| 1357 |
return c-4; |
| 1358 |
} |
| 1359 |
|
| 1360 |
extern unsigned int bitrates[3][16]; |
| 1361 |
extern uint32_t freq[4]; |
| 1362 |
|
| 1363 |
int get_ainfo(uint8_t *mbuf, int count, AudioInfo *ai, int pr) |
| 1364 |
{
|
| 1365 |
uint8_t *headr; |
| 1366 |
int found = 0; |
| 1367 |
int c = 0; |
| 1368 |
int fr =0; |
| 1369 |
|
| 1370 |
while (!found && c < count){
|
| 1371 |
uint8_t *b = mbuf+c; |
| 1372 |
|
| 1373 |
if ( b[0] == 0xff && (b[1] & 0xf8) == 0xf8) |
| 1374 |
found = 1;
|
| 1375 |
else {
|
| 1376 |
c++; |
| 1377 |
} |
| 1378 |
} |
| 1379 |
|
| 1380 |
if (!found) return -1; |
| 1381 |
|
| 1382 |
if (c+3 >= count) return -1; |
| 1383 |
headr = mbuf+c; |
| 1384 |
|
| 1385 |
ai->layer = (headr[1] & 0x06) >> 1; |
| 1386 |
|
| 1387 |
if (pr)
|
| 1388 |
fprintf(stderr,"Audiostream: Layer: %d", 4-ai->layer); |
| 1389 |
|
| 1390 |
|
| 1391 |
ai->bit_rate = bitrates[(3-ai->layer)][(headr[2] >> 4 )]*1000; |
| 1392 |
|
| 1393 |
if (pr){
|
| 1394 |
if (ai->bit_rate == 0) |
| 1395 |
fprintf (stderr," Bit rate: free");
|
| 1396 |
else if (ai->bit_rate == 0xf) |
| 1397 |
fprintf (stderr," BRate: reserved");
|
| 1398 |
else
|
| 1399 |
fprintf (stderr," BRate: %d kb/s", ai->bit_rate/1000); |
| 1400 |
} |
| 1401 |
|
| 1402 |
fr = (headr[2] & 0x0c ) >> 2; |
| 1403 |
ai->frequency = freq[fr]*100;
|
| 1404 |
|
| 1405 |
if (pr){
|
| 1406 |
if (ai->frequency == 3) |
| 1407 |
fprintf (stderr, " Freq: reserved\n");
|
| 1408 |
else
|
| 1409 |
fprintf (stderr," Freq: %2.1f kHz\n",
|
| 1410 |
ai->frequency/1000.); |
| 1411 |
} |
| 1412 |
ai->off = c; |
| 1413 |
return c;
|
| 1414 |
} |
| 1415 |
|
| 1416 |
unsigned int ac3_bitrates[32] = |
| 1417 |
{32,40,48,56,64,80,96,112,128,160,192,224,256,320,384,448,512,576,640,
|
| 1418 |
0,0,0,0,0,0,0,0,0,0,0,0,0}; |
| 1419 |
|
| 1420 |
uint32_t ac3_freq[4] = {480, 441, 320, 0}; |
| 1421 |
uint32_t ac3_frames[3][32] = |
| 1422 |
{{64,80,96,112,128,160,192,224,256,320,384,448,512,640,768,896,1024,
|
| 1423 |
1152,1280,0,0,0,0,0,0,0,0,0,0,0,0,0}, |
| 1424 |
{69,87,104,121,139,174,208,243,278,348,417,487,557,696,835,975,1114,
|
| 1425 |
1253,1393,0,0,0,0,0,0,0,0,0,0,0,0,0}, |
| 1426 |
{96,120,144,168,192,240,288,336,384,480,576,672,768,960,1152,1344,
|
| 1427 |
1536,1728,1920,0,0,0,0,0,0,0,0,0,0,0,0,0}}; |
| 1428 |
|
| 1429 |
int get_ac3info(uint8_t *mbuf, int count, AudioInfo *ai, int pr) |
| 1430 |
{
|
| 1431 |
uint8_t *headr; |
| 1432 |
int found = 0; |
| 1433 |
int c = 0; |
| 1434 |
uint8_t frame; |
| 1435 |
int fr = 0; |
| 1436 |
|
| 1437 |
while ( !found && c < count){
|
| 1438 |
uint8_t *b = mbuf+c; |
| 1439 |
if ( b[0] == 0x0b && b[1] == 0x77 ) |
| 1440 |
found = 1;
|
| 1441 |
else {
|
| 1442 |
c++; |
| 1443 |
} |
| 1444 |
} |
| 1445 |
|
| 1446 |
|
| 1447 |
if (!found){
|
| 1448 |
return -1; |
| 1449 |
} |
| 1450 |
ai->off = c; |
| 1451 |
|
| 1452 |
if (c+5 >= count) return -1; |
| 1453 |
|
| 1454 |
ai->layer = 0; // 0 for AC3 |
| 1455 |
headr = mbuf+c+2;
|
| 1456 |
|
| 1457 |
frame = (headr[2]&0x3f); |
| 1458 |
ai->bit_rate = ac3_bitrates[frame>>1]*1000; |
| 1459 |
|
| 1460 |
if (pr) fprintf (stderr," BRate: %d kb/s", ai->bit_rate/1000); |
| 1461 |
|
| 1462 |
fr = (headr[2] & 0xc0 ) >> 6; |
| 1463 |
ai->frequency = freq[fr]*100;
|
| 1464 |
if (pr) fprintf (stderr," Freq: %d Hz\n", ai->frequency); |
| 1465 |
|
| 1466 |
ai->framesize = ac3_frames[fr][frame >> 1];
|
| 1467 |
if ((frame & 1) && (fr == 1)) ai->framesize++; |
| 1468 |
ai->framesize = ai->framesize << 1;
|
| 1469 |
if (pr) fprintf (stderr," Framesize %d\n", ai->framesize); |
| 1470 |
|
| 1471 |
return c;
|
| 1472 |
} |
| 1473 |
|
| 1474 |
|
| 1475 |
void ps_pes(ipack *p)
|
| 1476 |
{
|
| 1477 |
int check;
|
| 1478 |
uint8_t pbuf[PS_HEADER_L2]; |
| 1479 |
static int muxr = 0; |
| 1480 |
static int ai = 0; |
| 1481 |
static int vi = 0; |
| 1482 |
static int start = 0; |
| 1483 |
static uint32_t SCR = 0; |
| 1484 |
|
| 1485 |
if (p->mpeg == 2){ |
| 1486 |
switch(p->buf[3]){ |
| 1487 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 1488 |
if (!p->has_vi){
|
| 1489 |
if(get_vinfo(p->buf, p->count, &p->vi,1) >=0) { |
| 1490 |
p->has_vi = 1;
|
| 1491 |
vi = p->vi.bit_rate; |
| 1492 |
} |
| 1493 |
} |
| 1494 |
break;
|
| 1495 |
|
| 1496 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 1497 |
if (!p->has_ai){
|
| 1498 |
if(get_ainfo(p->buf, p->count, &p->ai,1) >=0) { |
| 1499 |
p->has_ai = 1;
|
| 1500 |
ai = p->ai.bit_rate; |
| 1501 |
} |
| 1502 |
} |
| 1503 |
break;
|
| 1504 |
} |
| 1505 |
|
| 1506 |
if (p->has_vi && vi && !muxr){
|
| 1507 |
muxr = (vi+ai)/400;
|
| 1508 |
} |
| 1509 |
|
| 1510 |
if ( start && muxr && (p->buf[7] & PTS_ONLY) && (p->has_ai || |
| 1511 |
p->buf[9+p->buf[8]+4] == 0xb3)){ |
| 1512 |
SCR = trans_pts_dts(p->pts)-3600;
|
| 1513 |
|
| 1514 |
check = write_ps_header(pbuf, |
| 1515 |
SCR, |
| 1516 |
muxr, 1, 0, 0, 1, 1, 1, |
| 1517 |
0, 0, 0, 0, 0, 0); |
| 1518 |
|
| 1519 |
p->func(pbuf, check , p->data); |
| 1520 |
} |
| 1521 |
|
| 1522 |
if (muxr && !start && vi){
|
| 1523 |
SCR = trans_pts_dts(p->pts)-3600;
|
| 1524 |
check = write_ps_header(pbuf, |
| 1525 |
SCR, |
| 1526 |
muxr, 1, 0, 0, 1, 1, 1, |
| 1527 |
0xC0, 0, 64, 0xE0, 1, 460); |
| 1528 |
start = 1;
|
| 1529 |
p->func(pbuf, check , p->data); |
| 1530 |
} |
| 1531 |
|
| 1532 |
if (start)
|
| 1533 |
p->func(p->buf, p->count, p->data); |
| 1534 |
} |
| 1535 |
} |
| 1536 |
|
| 1537 |
void send_ipack(ipack *p)
|
| 1538 |
{
|
| 1539 |
int streamid=0; |
| 1540 |
int off;
|
| 1541 |
int ac3_off = 0; |
| 1542 |
AudioInfo ai; |
| 1543 |
int nframes= 0; |
| 1544 |
int f=0; |
| 1545 |
|
| 1546 |
if (p->count < 10) return; |
| 1547 |
p->buf[3] = p->cid;
|
| 1548 |
p->buf[4] = (uint8_t)(((p->count-6) & 0xFF00) >> 8); |
| 1549 |
p->buf[5] = (uint8_t)((p->count-6) & 0x00FF); |
| 1550 |
|
| 1551 |
|
| 1552 |
if (p->cid == PRIVATE_STREAM1){
|
| 1553 |
|
| 1554 |
off = 9+p->buf[8]; |
| 1555 |
streamid = p->buf[off]; |
| 1556 |
if ((streamid & 0xF8) == 0x80){ |
| 1557 |
ai.off = 0;
|
| 1558 |
ac3_off = ((p->buf[off+2] << 8)| p->buf[off+3]); |
| 1559 |
if (ac3_off < p->count)
|
| 1560 |
f=get_ac3info(p->buf+off+3+ac3_off,
|
| 1561 |
p->count-ac3_off, &ai,0);
|
| 1562 |
if ( !f ){
|
| 1563 |
nframes = (p->count-off-3-ac3_off)/
|
| 1564 |
ai.framesize + 1;
|
| 1565 |
p->buf[off+2] = (ac3_off >> 8)& 0xFF; |
| 1566 |
p->buf[off+3] = (ac3_off)& 0xFF; |
| 1567 |
p->buf[off+1] = nframes;
|
| 1568 |
|
| 1569 |
ac3_off += nframes * ai.framesize - p->count; |
| 1570 |
} |
| 1571 |
} |
| 1572 |
} |
| 1573 |
|
| 1574 |
if (p->ps) ps_pes(p);
|
| 1575 |
else p->func(p->buf, p->count, p->data);
|
| 1576 |
|
| 1577 |
switch ( p->mpeg ){
|
| 1578 |
case 2: |
| 1579 |
|
| 1580 |
p->buf[6] = 0x80; |
| 1581 |
p->buf[7] = 0x00; |
| 1582 |
p->buf[8] = 0x00; |
| 1583 |
p->count = 9;
|
| 1584 |
|
| 1585 |
if (p->cid == PRIVATE_STREAM1 && (streamid & 0xF8)==0x80 ){ |
| 1586 |
p->count += 4;
|
| 1587 |
p->buf[9] = streamid;
|
| 1588 |
p->buf[10] = (ac3_off >> 8)& 0xFF; |
| 1589 |
p->buf[11] = (ac3_off)& 0xFF; |
| 1590 |
p->buf[12] = 0; |
| 1591 |
} |
| 1592 |
|
| 1593 |
break;
|
| 1594 |
case 1: |
| 1595 |
p->buf[6] = 0x0F; |
| 1596 |
p->count = 7;
|
| 1597 |
break;
|
| 1598 |
} |
| 1599 |
|
| 1600 |
} |
| 1601 |
|
| 1602 |
|
| 1603 |
static void write_ipack(ipack *p, uint8_t *data, int count) |
| 1604 |
{
|
| 1605 |
|
| 1606 |
uint8_t headr[3] = { 0x00, 0x00, 0x01} ; |
| 1607 |
int diff =0; |
| 1608 |
|
| 1609 |
if (p->count < 6){ |
| 1610 |
if (trans_pts_dts(p->pts) > trans_pts_dts(p->last_pts))
|
| 1611 |
memcpy(p->last_pts, p->pts, 5);
|
| 1612 |
p->count = 0;
|
| 1613 |
memcpy(p->buf+p->count, headr, 3);
|
| 1614 |
p->count += 6;
|
| 1615 |
} |
| 1616 |
if ( p->size == p->size_orig && p->plength &&
|
| 1617 |
(diff = 6+p->plength - p->found + p->count +count) > p->size &&
|
| 1618 |
diff < 3*p->size/2){ |
| 1619 |
|
| 1620 |
p->size = diff/2;
|
| 1621 |
// fprintf(stderr,"size: %d \n",p->size);
|
| 1622 |
} |
| 1623 |
if (p->count + count < p->size){
|
| 1624 |
memcpy(p->buf+p->count, data, count); |
| 1625 |
p->count += count; |
| 1626 |
} else {
|
| 1627 |
int rest = p->size - p->count;
|
| 1628 |
if (rest < 0) rest = 0; |
| 1629 |
memcpy(p->buf+p->count, data, rest); |
| 1630 |
p->count += rest; |
| 1631 |
// fprintf(stderr,"count: %d \n",p->count);
|
| 1632 |
send_ipack(p); |
| 1633 |
if (count - rest > 0) |
| 1634 |
write_ipack(p, data+rest, count-rest); |
| 1635 |
} |
| 1636 |
} |
| 1637 |
|
| 1638 |
void instant_repack (uint8_t *buf, int count, ipack *p) |
| 1639 |
{
|
| 1640 |
|
| 1641 |
int l;
|
| 1642 |
unsigned short *pl; |
| 1643 |
int c=0; |
| 1644 |
|
| 1645 |
while (c < count && (p->mpeg == 0 || |
| 1646 |
(p->mpeg == 1 && p->found < 7) || |
| 1647 |
(p->mpeg == 2 && p->found < 9)) |
| 1648 |
&& (p->found < 5 || !p->done)){
|
| 1649 |
switch ( p->found ){
|
| 1650 |
case 0: |
| 1651 |
case 1: |
| 1652 |
if (buf[c] == 0x00) p->found++; |
| 1653 |
else p->found = 0; |
| 1654 |
c++; |
| 1655 |
break;
|
| 1656 |
case 2: |
| 1657 |
if (buf[c] == 0x01) p->found++; |
| 1658 |
else if (buf[c] == 0){ |
| 1659 |
p->found = 2;
|
| 1660 |
} else p->found = 0; |
| 1661 |
c++; |
| 1662 |
break;
|
| 1663 |
case 3: |
| 1664 |
p->cid = 0;
|
| 1665 |
switch (buf[c]){
|
| 1666 |
case PROG_STREAM_MAP:
|
| 1667 |
case PRIVATE_STREAM2:
|
| 1668 |
case PROG_STREAM_DIR:
|
| 1669 |
case ECM_STREAM :
|
| 1670 |
case EMM_STREAM :
|
| 1671 |
case PADDING_STREAM :
|
| 1672 |
case DSM_CC_STREAM :
|
| 1673 |
case ISO13522_STREAM:
|
| 1674 |
p->done = 1;
|
| 1675 |
case PRIVATE_STREAM1:
|
| 1676 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 1677 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 1678 |
p->found++; |
| 1679 |
p->cid = buf[c]; |
| 1680 |
c++; |
| 1681 |
break;
|
| 1682 |
default:
|
| 1683 |
p->found = 0;
|
| 1684 |
break;
|
| 1685 |
} |
| 1686 |
break;
|
| 1687 |
|
| 1688 |
|
| 1689 |
case 4: |
| 1690 |
if (count-c > 1){ |
| 1691 |
pl = (unsigned short *) (buf+c); |
| 1692 |
p->plength = ntohs(*pl); |
| 1693 |
p->plen[0] = buf[c];
|
| 1694 |
c++; |
| 1695 |
p->plen[1] = buf[c];
|
| 1696 |
c++; |
| 1697 |
p->found+=2;
|
| 1698 |
} else {
|
| 1699 |
p->plen[0] = buf[c];
|
| 1700 |
p->found++; |
| 1701 |
return;
|
| 1702 |
} |
| 1703 |
break;
|
| 1704 |
case 5: |
| 1705 |
p->plen[1] = buf[c];
|
| 1706 |
c++; |
| 1707 |
pl = (unsigned short *) p->plen; |
| 1708 |
p->plength = ntohs(*pl); |
| 1709 |
p->found++; |
| 1710 |
break;
|
| 1711 |
|
| 1712 |
|
| 1713 |
case 6: |
| 1714 |
if (!p->done){
|
| 1715 |
p->flag1 = buf[c]; |
| 1716 |
c++; |
| 1717 |
p->found++; |
| 1718 |
if ( (p->flag1 & 0xC0) == 0x80 ) p->mpeg = 2; |
| 1719 |
else {
|
| 1720 |
p->hlength = 0;
|
| 1721 |
p->which = 0;
|
| 1722 |
p->mpeg = 1;
|
| 1723 |
p->flag2 = 0;
|
| 1724 |
} |
| 1725 |
} |
| 1726 |
break;
|
| 1727 |
|
| 1728 |
case 7: |
| 1729 |
if ( !p->done && p->mpeg == 2){ |
| 1730 |
p->flag2 = buf[c]; |
| 1731 |
c++; |
| 1732 |
p->found++; |
| 1733 |
} |
| 1734 |
break;
|
| 1735 |
|
| 1736 |
case 8: |
| 1737 |
if ( !p->done && p->mpeg == 2){ |
| 1738 |
p->hlength = buf[c]; |
| 1739 |
c++; |
| 1740 |
p->found++; |
| 1741 |
} |
| 1742 |
break;
|
| 1743 |
|
| 1744 |
default:
|
| 1745 |
|
| 1746 |
break;
|
| 1747 |
} |
| 1748 |
} |
| 1749 |
|
| 1750 |
|
| 1751 |
if (c == count) return; |
| 1752 |
|
| 1753 |
if (!p->plength) p->plength = MMAX_PLENGTH-6; |
| 1754 |
|
| 1755 |
|
| 1756 |
if ( p->done || ((p->mpeg == 2 && p->found >= 9) || |
| 1757 |
(p->mpeg == 1 && p->found >= 7)) ){ |
| 1758 |
switch (p->cid){
|
| 1759 |
|
| 1760 |
case AUDIO_STREAM_S ... AUDIO_STREAM_E:
|
| 1761 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 1762 |
case PRIVATE_STREAM1:
|
| 1763 |
|
| 1764 |
if (p->mpeg == 2 && p->found == 9){ |
| 1765 |
write_ipack(p, &p->flag1, 1);
|
| 1766 |
write_ipack(p, &p->flag2, 1);
|
| 1767 |
write_ipack(p, &p->hlength, 1);
|
| 1768 |
} |
| 1769 |
|
| 1770 |
if (p->mpeg == 1 && p->found == 7){ |
| 1771 |
write_ipack(p, &p->flag1, 1);
|
| 1772 |
} |
| 1773 |
|
| 1774 |
|
| 1775 |
if (p->mpeg == 2 && (p->flag2 & PTS_ONLY) && |
| 1776 |
p->found < 14){
|
| 1777 |
while (c < count && p->found < 14){ |
| 1778 |
p->pts[p->found-9] = buf[c];
|
| 1779 |
write_ipack(p, buf+c, 1);
|
| 1780 |
c++; |
| 1781 |
p->found++; |
| 1782 |
} |
| 1783 |
if (c == count) return; |
| 1784 |
} |
| 1785 |
|
| 1786 |
if (p->mpeg == 1 && p->which < 2000){ |
| 1787 |
|
| 1788 |
if (p->found == 7) { |
| 1789 |
p->check = p->flag1; |
| 1790 |
p->hlength = 1;
|
| 1791 |
} |
| 1792 |
|
| 1793 |
while (!p->which && c < count &&
|
| 1794 |
p->check == 0xFF){
|
| 1795 |
p->check = buf[c]; |
| 1796 |
write_ipack(p, buf+c, 1);
|
| 1797 |
c++; |
| 1798 |
p->found++; |
| 1799 |
p->hlength++; |
| 1800 |
} |
| 1801 |
|
| 1802 |
if ( c == count) return; |
| 1803 |
|
| 1804 |
if ( (p->check & 0xC0) == 0x40 && !p->which){ |
| 1805 |
p->check = buf[c]; |
| 1806 |
write_ipack(p, buf+c, 1);
|
| 1807 |
c++; |
| 1808 |
p->found++; |
| 1809 |
p->hlength++; |
| 1810 |
|
| 1811 |
p->which = 1;
|
| 1812 |
if ( c == count) return; |
| 1813 |
p->check = buf[c]; |
| 1814 |
write_ipack(p, buf+c, 1);
|
| 1815 |
c++; |
| 1816 |
p->found++; |
| 1817 |
p->hlength++; |
| 1818 |
p->which = 2;
|
| 1819 |
if ( c == count) return; |
| 1820 |
} |
| 1821 |
|
| 1822 |
if (p->which == 1){ |
| 1823 |
p->check = buf[c]; |
| 1824 |
write_ipack(p, buf+c, 1);
|
| 1825 |
c++; |
| 1826 |
p->found++; |
| 1827 |
p->hlength++; |
| 1828 |
p->which = 2;
|
| 1829 |
if ( c == count) return; |
| 1830 |
} |
| 1831 |
|
| 1832 |
if ( (p->check & 0x30) && p->check != 0xFF){ |
| 1833 |
p->flag2 = (p->check & 0xF0) << 2; |
| 1834 |
p->pts[0] = p->check;
|
| 1835 |
p->which = 3;
|
| 1836 |
} |
| 1837 |
|
| 1838 |
if ( c == count) return; |
| 1839 |
if (p->which > 2){ |
| 1840 |
if ((p->flag2 & PTS_DTS_FLAGS)
|
| 1841 |
== PTS_ONLY){
|
| 1842 |
while (c < count &&
|
| 1843 |
p->which < 7){
|
| 1844 |
p->pts[p->which-2] =
|
| 1845 |
buf[c]; |
| 1846 |
write_ipack(p,buf+c,1);
|
| 1847 |
c++; |
| 1848 |
p->found++; |
| 1849 |
p->which++; |
| 1850 |
p->hlength++; |
| 1851 |
} |
| 1852 |
if ( c == count) return; |
| 1853 |
} else if ((p->flag2 & PTS_DTS_FLAGS) |
| 1854 |
== PTS_DTS){
|
| 1855 |
while (c < count &&
|
| 1856 |
p->which< 12){
|
| 1857 |
if (p->which< 7) |
| 1858 |
p->pts[p->which |
| 1859 |
-2] =
|
| 1860 |
buf[c]; |
| 1861 |
write_ipack(p,buf+c,1);
|
| 1862 |
c++; |
| 1863 |
p->found++; |
| 1864 |
p->which++; |
| 1865 |
p->hlength++; |
| 1866 |
} |
| 1867 |
if ( c == count) return; |
| 1868 |
} |
| 1869 |
p->which = 2000;
|
| 1870 |
} |
| 1871 |
|
| 1872 |
} |
| 1873 |
|
| 1874 |
while (c < count && p->found < p->plength+6){ |
| 1875 |
l = count -c; |
| 1876 |
if (l+p->found > p->plength+6) |
| 1877 |
l = p->plength+6-p->found;
|
| 1878 |
write_ipack(p, buf+c, l); |
| 1879 |
p->found += l; |
| 1880 |
c += l; |
| 1881 |
} |
| 1882 |
|
| 1883 |
break;
|
| 1884 |
} |
| 1885 |
|
| 1886 |
|
| 1887 |
if ( p->done ){
|
| 1888 |
if( p->found + count - c < p->plength+6){ |
| 1889 |
p->found += count-c; |
| 1890 |
c = count; |
| 1891 |
} else {
|
| 1892 |
c += p->plength+6 - p->found;
|
| 1893 |
p->found = p->plength+6;
|
| 1894 |
} |
| 1895 |
} |
| 1896 |
|
| 1897 |
if (p->plength && p->found == p->plength+6) { |
| 1898 |
send_ipack(p); |
| 1899 |
reset_ipack(p); |
| 1900 |
if (c < count)
|
| 1901 |
instant_repack(buf+c, count-c, p); |
| 1902 |
} |
| 1903 |
} |
| 1904 |
return;
|
| 1905 |
} |
| 1906 |
|
| 1907 |
void write_out_es(uint8_t *buf, int count,void *priv) |
| 1908 |
{
|
| 1909 |
ipack *p = (ipack *) priv; |
| 1910 |
u8 payl = buf[8]+9+p->start-1; |
| 1911 |
|
| 1912 |
write(p->fd, buf+payl, count-payl); |
| 1913 |
p->start = 1;
|
| 1914 |
} |
| 1915 |
|
| 1916 |
void write_out_pes(uint8_t *buf, int count,void *priv) |
| 1917 |
{
|
| 1918 |
ipack *p = (ipack *) priv; |
| 1919 |
write(p->fd, buf, count); |
| 1920 |
} |
| 1921 |
|
| 1922 |
|
| 1923 |
|
| 1924 |
int64_t ts_demux(int fdin, int fdv_out,int fda_out,uint16_t pida, |
| 1925 |
uint16_t pidv, int es)
|
| 1926 |
{
|
| 1927 |
uint8_t buf[IN_SIZE]; |
| 1928 |
uint8_t mbuf[TS_SIZE]; |
| 1929 |
int i;
|
| 1930 |
int count = 1; |
| 1931 |
uint16_t pid; |
| 1932 |
ipack pa, pv; |
| 1933 |
ipack *p; |
| 1934 |
u8 *sb; |
| 1935 |
int64_t apts=0;
|
| 1936 |
int64_t vpts=0;
|
| 1937 |
int verb = 0; |
| 1938 |
uint64_t length =0;
|
| 1939 |
uint64_t l=0;
|
| 1940 |
int perc =0; |
| 1941 |
int last_perc =0; |
| 1942 |
|
| 1943 |
if (fdin != STDIN_FILENO) verb = 1; |
| 1944 |
|
| 1945 |
if (verb) {
|
| 1946 |
length = lseek(fdin, 0, SEEK_END);
|
| 1947 |
lseek(fdin,0,SEEK_SET);
|
| 1948 |
} |
| 1949 |
|
| 1950 |
if (!pida || !pidv)
|
| 1951 |
find_avpids(fdin, &pidv, &pida); |
| 1952 |
|
| 1953 |
if (es){
|
| 1954 |
init_ipack(&pa, IPACKS,write_out_es, 0);
|
| 1955 |
init_ipack(&pv, IPACKS,write_out_es, 0);
|
| 1956 |
} else {
|
| 1957 |
init_ipack(&pa, IPACKS,write_out_pes, 0);
|
| 1958 |
init_ipack(&pv, IPACKS,write_out_pes, 0);
|
| 1959 |
} |
| 1960 |
pa.fd = fda_out; |
| 1961 |
pv.fd = fdv_out; |
| 1962 |
pa.data = (void *)&pa;
|
| 1963 |
pv.data = (void *)&pv;
|
| 1964 |
|
| 1965 |
count = read(fdin,mbuf,TS_SIZE); |
| 1966 |
if (count) l+=count;
|
| 1967 |
for ( i = 0; i < 188 ; i++){ |
| 1968 |
if ( mbuf[i] == 0x47 ) break; |
| 1969 |
} |
| 1970 |
if ( i == 188){ |
| 1971 |
fprintf(stderr,"Not a TS\n");
|
| 1972 |
return 0; |
| 1973 |
} else {
|
| 1974 |
memcpy(buf,mbuf+i,TS_SIZE-i); |
| 1975 |
count = read(fdin,mbuf,i); |
| 1976 |
if (count) l+=count;
|
| 1977 |
memcpy(buf+TS_SIZE-i,mbuf,i); |
| 1978 |
i = 188;
|
| 1979 |
} |
| 1980 |
|
| 1981 |
count = 1;
|
| 1982 |
while (count > 0){ |
| 1983 |
count = read(fdin,buf+i,IN_SIZE-i); |
| 1984 |
if (count) l+=count;
|
| 1985 |
if (verb && perc >last_perc){
|
| 1986 |
perc = (100*l)/length;
|
| 1987 |
fprintf(stderr,"Reading TS %d %%\r",perc);
|
| 1988 |
last_perc = perc; |
| 1989 |
} |
| 1990 |
|
| 1991 |
for( i = 0; i < count; i+= TS_SIZE){ |
| 1992 |
uint8_t off = 0;
|
| 1993 |
|
| 1994 |
if ( count - i < TS_SIZE) break; |
| 1995 |
|
| 1996 |
pid = get_pid(buf+i+1);
|
| 1997 |
if (!(buf[3+i]&0x10)) // no payload? |
| 1998 |
continue;
|
| 1999 |
if (pid == pidv){
|
| 2000 |
p = &pv; |
| 2001 |
} else {
|
| 2002 |
if (pid == pida){
|
| 2003 |
p = &pa; |
| 2004 |
} else continue; |
| 2005 |
} |
| 2006 |
|
| 2007 |
if ( buf[3+i] & 0x20) { // adaptation field? |
| 2008 |
off = buf[4+i] + 1; |
| 2009 |
} |
| 2010 |
|
| 2011 |
if ( buf[1+i]&0x40) { |
| 2012 |
if (p->plength == MMAX_PLENGTH-6){ |
| 2013 |
p->plength = p->found-6;
|
| 2014 |
p->found = 0;
|
| 2015 |
send_ipack(p); |
| 2016 |
reset_ipack(p); |
| 2017 |
} |
| 2018 |
sb = buf+4+off+i;
|
| 2019 |
if( es &&
|
| 2020 |
!p->start && (sb[7] & PTS_DTS_FLAGS)){
|
| 2021 |
uint8_t *pay = sb+sb[8]+9; |
| 2022 |
int l = TS_SIZE - 13 - off - sb[8]; |
| 2023 |
if ( pid == pidv &&
|
| 2024 |
(p->start = |
| 2025 |
get_vinfo( pay, l,&p->vi,1)+1) >0 |
| 2026 |
){
|
| 2027 |
vpts = trans_pts_dts(sb+9);
|
| 2028 |
printf("vpts : %fs\n",
|
| 2029 |
vpts/90000.); |
| 2030 |
} |
| 2031 |
if ( pid == pida &&
|
| 2032 |
(p->start = |
| 2033 |
get_ainfo( pay, l,&p->ai,1)+1) >0 |
| 2034 |
){
|
| 2035 |
apts = trans_pts_dts(sb+9);
|
| 2036 |
printf("apts : %fs\n",
|
| 2037 |
apts/90000.); |
| 2038 |
} |
| 2039 |
} |
| 2040 |
} |
| 2041 |
|
| 2042 |
if (p->start)
|
| 2043 |
instant_repack(buf+4+off+i, TS_SIZE-4-off, p); |
| 2044 |
} |
| 2045 |
i = 0;
|
| 2046 |
|
| 2047 |
} |
| 2048 |
|
| 2049 |
return (vpts-apts);
|
| 2050 |
} |
| 2051 |
|
| 2052 |
void ts2es(int fdin, uint16_t pidv) |
| 2053 |
{
|
| 2054 |
uint8_t buf[IN_SIZE]; |
| 2055 |
uint8_t mbuf[TS_SIZE]; |
| 2056 |
int i;
|
| 2057 |
int count = 1; |
| 2058 |
ipack p; |
| 2059 |
int verb = 0; |
| 2060 |
uint64_t length =0;
|
| 2061 |
uint64_t l=0;
|
| 2062 |
int perc =0; |
| 2063 |
int last_perc =0; |
| 2064 |
uint16_t pid; |
| 2065 |
|
| 2066 |
if (fdin != STDIN_FILENO) verb = 1; |
| 2067 |
|
| 2068 |
if (verb) {
|
| 2069 |
length = lseek(fdin, 0, SEEK_END);
|
| 2070 |
lseek(fdin,0,SEEK_SET);
|
| 2071 |
} |
| 2072 |
|
| 2073 |
init_ipack(&p, IPACKS,write_out_es, 0);
|
| 2074 |
|
| 2075 |
p.fd = STDOUT_FILENO; |
| 2076 |
p.data = (void *)&p;
|
| 2077 |
|
| 2078 |
count = read(fdin,mbuf,TS_SIZE); |
| 2079 |
if (count) l+=count;
|
| 2080 |
for ( i = 0; i < 188 ; i++){ |
| 2081 |
if ( mbuf[i] == 0x47 ) break; |
| 2082 |
} |
| 2083 |
if ( i == 188){ |
| 2084 |
fprintf(stderr,"Not a TS\n");
|
| 2085 |
return;
|
| 2086 |
} else {
|
| 2087 |
memcpy(buf,mbuf+i,TS_SIZE-i); |
| 2088 |
count = read(fdin,mbuf,i); |
| 2089 |
if (count) l+=count;
|
| 2090 |
memcpy(buf+TS_SIZE-i,mbuf,i); |
| 2091 |
i = 188;
|
| 2092 |
} |
| 2093 |
|
| 2094 |
count = 1;
|
| 2095 |
while (count > 0){ |
| 2096 |
count = read(fdin,buf+i,IN_SIZE-i); |
| 2097 |
if (count) l+=count;
|
| 2098 |
if (verb && perc >last_perc){
|
| 2099 |
perc = (100*l)/length;
|
| 2100 |
fprintf(stderr,"Reading TS %d %%\r",perc);
|
| 2101 |
last_perc = perc; |
| 2102 |
} |
| 2103 |
|
| 2104 |
for( i = 0; i < count; i+= TS_SIZE){ |
| 2105 |
uint8_t off = 0;
|
| 2106 |
|
| 2107 |
if ( count - i < TS_SIZE) break; |
| 2108 |
|
| 2109 |
pid = get_pid(buf+i+1);
|
| 2110 |
if (!(buf[3+i]&0x10)) // no payload? |
| 2111 |
continue;
|
| 2112 |
if (pid != pidv){
|
| 2113 |
continue;
|
| 2114 |
} |
| 2115 |
|
| 2116 |
if ( buf[3+i] & 0x20) { // adaptation field? |
| 2117 |
off = buf[4+i] + 1; |
| 2118 |
} |
| 2119 |
|
| 2120 |
if ( buf[1+i]&0x40) { |
| 2121 |
if (p.plength == MMAX_PLENGTH-6){ |
| 2122 |
p.plength = p.found-6;
|
| 2123 |
p.found = 0;
|
| 2124 |
send_ipack(&p); |
| 2125 |
reset_ipack(&p); |
| 2126 |
} |
| 2127 |
} |
| 2128 |
|
| 2129 |
instant_repack(buf+4+off+i, TS_SIZE-4-off, &p); |
| 2130 |
} |
| 2131 |
i = 0;
|
| 2132 |
|
| 2133 |
} |
| 2134 |
} |
| 2135 |
|
| 2136 |
|
| 2137 |
void change_aspect(int fdin, int fdout, int aspect) |
| 2138 |
{
|
| 2139 |
ps_packet ps; |
| 2140 |
pes_packet pes; |
| 2141 |
int neof,i;
|
| 2142 |
|
| 2143 |
do {
|
| 2144 |
init_ps(&ps); |
| 2145 |
neof = read_ps(fdin,&ps); |
| 2146 |
write_ps(fdout,&ps); |
| 2147 |
for (i = 0; i < ps.npes; i++){ |
| 2148 |
u8 *buf; |
| 2149 |
int c = 0; |
| 2150 |
int l;
|
| 2151 |
|
| 2152 |
init_pes(&pes); |
| 2153 |
read_pes(fdin, &pes); |
| 2154 |
|
| 2155 |
buf = pes.pes_pckt_data; |
| 2156 |
|
| 2157 |
switch (pes.stream_id){
|
| 2158 |
case VIDEO_STREAM_S ... VIDEO_STREAM_E:
|
| 2159 |
l=pes.length; |
| 2160 |
break;
|
| 2161 |
default:
|
| 2162 |
l = 0;
|
| 2163 |
break;
|
| 2164 |
} |
| 2165 |
while ( c < l - 6){ |
| 2166 |
if (buf[c] == 0x00 && |
| 2167 |
buf[c+1] == 0x00 && |
| 2168 |
buf[c+2] == 0x01 && |
| 2169 |
buf[c+3] == 0xB3) { |
| 2170 |
c += 4;
|
| 2171 |
buf[c+3] &= 0x0f; |
| 2172 |
buf[c+3] |= aspect;
|
| 2173 |
} |
| 2174 |
else c++;
|
| 2175 |
} |
| 2176 |
write_pes(fdout,&pes); |
| 2177 |
} |
| 2178 |
} while( neof > 0 ); |
| 2179 |
} |