| 1 |
#include "EXTERN.h" |
| 2 |
#include "perl.h" |
| 3 |
#include "XSUB.h" |
| 4 |
|
| 5 |
#include <string.h> |
| 6 |
|
| 7 |
#include <linux/dvb/frontend.h> |
| 8 |
#include <linux/dvb/dmx.h> |
| 9 |
|
| 10 |
#define CONST(name) { #name, name } |
| 11 |
|
| 12 |
enum { |
| 13 |
SCT_PAT = 0x00, |
| 14 |
SCT_CAT = 0x01, |
| 15 |
SCT_PMT = 0x02, |
| 16 |
SCT_TSDT = 0x03, |
| 17 |
SCT_NIT = 0x40, |
| 18 |
SCT_NIT_OTHER = 0x41, |
| 19 |
SCT_SDT = 0x42, |
| 20 |
SCT_SDT_OTHER = 0x46, |
| 21 |
SCT_BAT = 0x4a, |
| 22 |
SCT_EIT_PRESENT = 0x4e, |
| 23 |
SCT_EIT_PRESENT_OTHER = 0x4f, |
| 24 |
SCT_EIT_SCHEDULE0 = 0x50, |
| 25 |
SCT_EIT_SCHEDULE15 = 0x5f, |
| 26 |
SCT_EIT_SCHEDULE_OTHER0 = 0x60, |
| 27 |
SCT_EIT_SCHEDULE_OTHER15 = 0x6f, |
| 28 |
SCT_TDT = 0x70, |
| 29 |
SCT_RST = 0x71, |
| 30 |
SCT_ST = 0x72, |
| 31 |
SCT_TOT = 0x73, |
| 32 |
SCT_RNT = 0x74, |
| 33 |
SCT_CST = 0x75, |
| 34 |
SCT_RCT = 0x76, |
| 35 |
SCT_CIT = 0x77, |
| 36 |
SCT_MPE = 0x78, |
| 37 |
SCT_DIT = 0x7e, |
| 38 |
SCT_SIT = 0x7f, |
| 39 |
}; |
| 40 |
|
| 41 |
enum { |
| 42 |
DT_short_event = 0x4d, |
| 43 |
DT_extended_event = 0x4e, |
| 44 |
DT_component = 0x50, |
| 45 |
DT_content = 0x54, |
| 46 |
DT_private_data_specifier = 0x5f, |
| 47 |
DT_short_smoothing_buffer = 0x61, //NYI |
| 48 |
DT_scrambling_indicator = 0x65, //NYI |
| 49 |
DT_PDC = 0x69, |
| 50 |
}; |
| 51 |
|
| 52 |
static const struct consts { |
| 53 |
const char *name; |
| 54 |
const long value; |
| 55 |
} consts [] = { |
| 56 |
CONST (FE_QPSK), |
| 57 |
CONST (FE_QAM), |
| 58 |
CONST (FE_OFDM), |
| 59 |
|
| 60 |
CONST (FE_IS_STUPID), |
| 61 |
CONST (FE_CAN_INVERSION_AUTO), |
| 62 |
CONST (FE_CAN_FEC_1_2), |
| 63 |
CONST (FE_CAN_FEC_2_3), |
| 64 |
CONST (FE_CAN_FEC_3_4), |
| 65 |
CONST (FE_CAN_FEC_4_5), |
| 66 |
CONST (FE_CAN_FEC_5_6), |
| 67 |
CONST (FE_CAN_FEC_6_7), |
| 68 |
CONST (FE_CAN_FEC_7_8), |
| 69 |
CONST (FE_CAN_FEC_8_9), |
| 70 |
CONST (FE_CAN_FEC_AUTO), |
| 71 |
CONST (FE_CAN_QPSK), |
| 72 |
CONST (FE_CAN_QAM_16), |
| 73 |
CONST (FE_CAN_QAM_32), |
| 74 |
CONST (FE_CAN_QAM_64), |
| 75 |
CONST (FE_CAN_QAM_128), |
| 76 |
CONST (FE_CAN_QAM_256), |
| 77 |
CONST (FE_CAN_QAM_AUTO), |
| 78 |
CONST (FE_CAN_TRANSMISSION_MODE_AUTO), |
| 79 |
CONST (FE_CAN_BANDWIDTH_AUTO), |
| 80 |
CONST (FE_CAN_GUARD_INTERVAL_AUTO), |
| 81 |
CONST (FE_CAN_HIERARCHY_AUTO), |
| 82 |
CONST (FE_NEEDS_BENDING), |
| 83 |
CONST (FE_CAN_RECOVER), |
| 84 |
CONST (FE_CAN_MUTE_TS), |
| 85 |
|
| 86 |
CONST (FE_HAS_SIGNAL), |
| 87 |
CONST (FE_HAS_CARRIER), |
| 88 |
CONST (FE_HAS_VITERBI), |
| 89 |
CONST (FE_HAS_SYNC), |
| 90 |
CONST (FE_HAS_LOCK), |
| 91 |
CONST (FE_TIMEDOUT), |
| 92 |
CONST (FE_REINIT), |
| 93 |
|
| 94 |
CONST (INVERSION_OFF), |
| 95 |
CONST (INVERSION_ON), |
| 96 |
CONST (INVERSION_AUTO), |
| 97 |
|
| 98 |
CONST (FEC_NONE), |
| 99 |
CONST (FEC_1_2), |
| 100 |
CONST (FEC_2_3), |
| 101 |
CONST (FEC_3_4), |
| 102 |
CONST (FEC_4_5), |
| 103 |
CONST (FEC_5_6), |
| 104 |
CONST (FEC_6_7), |
| 105 |
CONST (FEC_7_8), |
| 106 |
CONST (FEC_8_9), |
| 107 |
CONST (FEC_AUTO), |
| 108 |
|
| 109 |
CONST (QPSK), |
| 110 |
CONST (QAM_16), |
| 111 |
CONST (QAM_32), |
| 112 |
CONST (QAM_64), |
| 113 |
CONST (QAM_128), |
| 114 |
CONST (QAM_256), |
| 115 |
CONST (QAM_AUTO), |
| 116 |
|
| 117 |
CONST (TRANSMISSION_MODE_2K), |
| 118 |
CONST (TRANSMISSION_MODE_8K), |
| 119 |
CONST (TRANSMISSION_MODE_AUTO), |
| 120 |
|
| 121 |
CONST (BANDWIDTH_8_MHZ), |
| 122 |
CONST (BANDWIDTH_7_MHZ), |
| 123 |
CONST (BANDWIDTH_6_MHZ), |
| 124 |
CONST (BANDWIDTH_AUTO), |
| 125 |
|
| 126 |
CONST (GUARD_INTERVAL_1_32), |
| 127 |
CONST (GUARD_INTERVAL_1_16), |
| 128 |
CONST (GUARD_INTERVAL_1_8), |
| 129 |
CONST (GUARD_INTERVAL_1_4), |
| 130 |
CONST (GUARD_INTERVAL_AUTO), |
| 131 |
|
| 132 |
CONST (HIERARCHY_NONE), |
| 133 |
CONST (HIERARCHY_1), |
| 134 |
CONST (HIERARCHY_2), |
| 135 |
CONST (HIERARCHY_4), |
| 136 |
CONST (HIERARCHY_AUTO), |
| 137 |
|
| 138 |
CONST (DMX_OUT_DECODER), |
| 139 |
CONST (DMX_OUT_TAP), |
| 140 |
CONST (DMX_OUT_TS_TAP), |
| 141 |
|
| 142 |
CONST (DMX_IN_FRONTEND), |
| 143 |
CONST (DMX_IN_DVR), |
| 144 |
|
| 145 |
CONST (DMX_PES_AUDIO0), |
| 146 |
CONST (DMX_PES_VIDEO0), |
| 147 |
CONST (DMX_PES_TELETEXT0), |
| 148 |
CONST (DMX_PES_SUBTITLE0), |
| 149 |
CONST (DMX_PES_PCR0), |
| 150 |
|
| 151 |
CONST (DMX_PES_AUDIO1), |
| 152 |
CONST (DMX_PES_VIDEO1), |
| 153 |
CONST (DMX_PES_TELETEXT1), |
| 154 |
CONST (DMX_PES_SUBTITLE1), |
| 155 |
CONST (DMX_PES_PCR1), |
| 156 |
|
| 157 |
CONST (DMX_PES_AUDIO2), |
| 158 |
CONST (DMX_PES_VIDEO2), |
| 159 |
CONST (DMX_PES_TELETEXT2), |
| 160 |
CONST (DMX_PES_SUBTITLE2), |
| 161 |
CONST (DMX_PES_PCR2), |
| 162 |
|
| 163 |
CONST (DMX_PES_AUDIO3), |
| 164 |
CONST (DMX_PES_VIDEO3), |
| 165 |
CONST (DMX_PES_TELETEXT3), |
| 166 |
CONST (DMX_PES_SUBTITLE3), |
| 167 |
CONST (DMX_PES_PCR3), |
| 168 |
|
| 169 |
CONST (DMX_PES_OTHER), |
| 170 |
|
| 171 |
CONST (DMX_PES_AUDIO), |
| 172 |
CONST (DMX_PES_VIDEO), |
| 173 |
CONST (DMX_PES_TELETEXT), |
| 174 |
CONST (DMX_PES_SUBTITLE), |
| 175 |
CONST (DMX_PES_PCR), |
| 176 |
|
| 177 |
CONST (DMX_SCRAMBLING_EV), |
| 178 |
CONST (DMX_FRONTEND_EV), |
| 179 |
|
| 180 |
CONST (DMX_CHECK_CRC), |
| 181 |
CONST (DMX_ONESHOT), |
| 182 |
CONST (DMX_IMMEDIATE_START), |
| 183 |
CONST (DMX_KERNEL_CLIENT), |
| 184 |
|
| 185 |
CONST (DMX_SOURCE_FRONT0), |
| 186 |
CONST (DMX_SOURCE_FRONT1), |
| 187 |
CONST (DMX_SOURCE_FRONT2), |
| 188 |
CONST (DMX_SOURCE_FRONT3), |
| 189 |
|
| 190 |
CONST (DMX_SOURCE_DVR0), |
| 191 |
CONST (DMX_SOURCE_DVR1), |
| 192 |
CONST (DMX_SOURCE_DVR2), |
| 193 |
CONST (DMX_SOURCE_DVR3), |
| 194 |
|
| 195 |
CONST (DMX_SCRAMBLING_OFF), |
| 196 |
CONST (DMX_SCRAMBLING_ON), |
| 197 |
|
| 198 |
// constants defined by this file |
| 199 |
CONST (SCT_PAT), |
| 200 |
CONST (SCT_CAT), |
| 201 |
CONST (SCT_PMT), |
| 202 |
CONST (SCT_TSDT), |
| 203 |
CONST (SCT_NIT), |
| 204 |
CONST (SCT_NIT_OTHER), |
| 205 |
CONST (SCT_SDT), |
| 206 |
CONST (SCT_SDT_OTHER), |
| 207 |
CONST (SCT_BAT), |
| 208 |
CONST (SCT_EIT_PRESENT), |
| 209 |
CONST (SCT_EIT_PRESENT_OTHER), |
| 210 |
CONST (SCT_EIT_SCHEDULE0), |
| 211 |
CONST (SCT_EIT_SCHEDULE15), |
| 212 |
CONST (SCT_EIT_SCHEDULE_OTHER0), |
| 213 |
CONST (SCT_EIT_SCHEDULE_OTHER15), |
| 214 |
CONST (SCT_TDT), |
| 215 |
CONST (SCT_RST), |
| 216 |
CONST (SCT_ST), |
| 217 |
CONST (SCT_TOT), |
| 218 |
CONST (SCT_RNT), |
| 219 |
CONST (SCT_CST), |
| 220 |
CONST (SCT_RCT), |
| 221 |
CONST (SCT_CIT), |
| 222 |
CONST (SCT_MPE), |
| 223 |
CONST (SCT_DIT), |
| 224 |
CONST (SCT_SIT), |
| 225 |
}; |
| 226 |
|
| 227 |
#define HVS_S(hv,struct,member) hv_store (hv, #member, sizeof (#member) - 1, newSVpv (struct.member, 0), 0) |
| 228 |
#define HVS_I(hv,struct,member) hv_store (hv, #member, sizeof (#member) - 1, newSViv (struct.member), 0) |
| 229 |
|
| 230 |
static void |
| 231 |
set_parameters (HV *hv, struct dvb_frontend_parameters *p, fe_type_t type) |
| 232 |
{ |
| 233 |
HVS_I (hv, (*p), frequency); |
| 234 |
HVS_I (hv, (*p), inversion); |
| 235 |
|
| 236 |
switch (type) |
| 237 |
{ |
| 238 |
case FE_QPSK: |
| 239 |
HVS_I (hv, (*p).u.qpsk, symbol_rate); |
| 240 |
HVS_I (hv, (*p).u.qpsk, fec_inner); |
| 241 |
break; |
| 242 |
|
| 243 |
case FE_QAM: |
| 244 |
HVS_I (hv, (*p).u.qam, symbol_rate); |
| 245 |
HVS_I (hv, (*p).u.qam, fec_inner); |
| 246 |
HVS_I (hv, (*p).u.qam, modulation); |
| 247 |
break; |
| 248 |
|
| 249 |
case FE_OFDM: |
| 250 |
HVS_I (hv, (*p).u.ofdm, bandwidth); |
| 251 |
HVS_I (hv, (*p).u.ofdm, code_rate_HP); |
| 252 |
HVS_I (hv, (*p).u.ofdm, code_rate_LP); |
| 253 |
HVS_I (hv, (*p).u.ofdm, constellation); |
| 254 |
HVS_I (hv, (*p).u.ofdm, transmission_mode); |
| 255 |
break; |
| 256 |
} |
| 257 |
} |
| 258 |
|
| 259 |
typedef unsigned char u8; |
| 260 |
|
| 261 |
static SV *dec_sv; |
| 262 |
static u8 *dec_data; |
| 263 |
static long dec_ofs, dec_len8; |
| 264 |
static U32 dec_field; |
| 265 |
STRLEN dec_len; |
| 266 |
|
| 267 |
#define decode_overflow (dec_ofs > dec_len8) |
| 268 |
|
| 269 |
static void |
| 270 |
decode_set (SV *data) |
| 271 |
{ |
| 272 |
if (dec_sv) |
| 273 |
SvREFCNT_dec (dec_sv); |
| 274 |
|
| 275 |
dec_sv = newSVsv (data); |
| 276 |
dec_data = SvPVbyte (dec_sv, dec_len); |
| 277 |
dec_ofs = 0; |
| 278 |
dec_len8 = dec_len << 3; |
| 279 |
} |
| 280 |
|
| 281 |
static U32 |
| 282 |
decode_field (int bits) |
| 283 |
{ |
| 284 |
u8 *p = dec_data + (dec_ofs >> 3); |
| 285 |
int frac = 8 - (dec_ofs & 7); |
| 286 |
dec_ofs += bits; |
| 287 |
|
| 288 |
if (decode_overflow) |
| 289 |
return dec_field = 0; |
| 290 |
|
| 291 |
U32 r = *p++; |
| 292 |
|
| 293 |
r &= (1UL << frac) - 1; |
| 294 |
|
| 295 |
if (bits < frac) |
| 296 |
r >>= (frac - bits); |
| 297 |
else |
| 298 |
{ |
| 299 |
bits -= frac; |
| 300 |
|
| 301 |
while (bits >= 8) |
| 302 |
{ |
| 303 |
r = (r << 8) | *p++; |
| 304 |
bits -= 8; |
| 305 |
} |
| 306 |
|
| 307 |
if (bits > 0) |
| 308 |
r = (r << bits) | (*p >> (8 - bits)); |
| 309 |
} |
| 310 |
|
| 311 |
return dec_field = r; |
| 312 |
} |
| 313 |
|
| 314 |
#define DEC_I(hv, bits, name) hv_store (hv, #name, sizeof (#name) - 1, newSViv (decode_field (bits)), 0) |
| 315 |
#define DEC_S(hv, bytes, name) hv_store (hv, #name, sizeof (#name) - 1, newSVpvn (dec_data + (dec_ofs >> 3), (bytes)), 0), dec_ofs += (bytes) << 3 |
| 316 |
|
| 317 |
static AV * |
| 318 |
decode_descriptors (long end) |
| 319 |
{ |
| 320 |
AV *av = newAV (); |
| 321 |
|
| 322 |
while (dec_ofs < end) |
| 323 |
{ |
| 324 |
HV *hv = newHV (); |
| 325 |
U8 type, len, a; |
| 326 |
long end; |
| 327 |
|
| 328 |
av_push (av, newRV_noinc ((SV *)hv)); |
| 329 |
|
| 330 |
DEC_I (hv, 8, type); |
| 331 |
type = dec_field; |
| 332 |
len = decode_field (8); |
| 333 |
|
| 334 |
end = dec_ofs + (len << 3); |
| 335 |
|
| 336 |
if (end > dec_len8) |
| 337 |
return av; |
| 338 |
|
| 339 |
switch (type) |
| 340 |
{ |
| 341 |
case DT_PDC: |
| 342 |
decode_field (4); |
| 343 |
DEC_I (hv, 20, programme_identification_label); |
| 344 |
break; |
| 345 |
|
| 346 |
case DT_component: |
| 347 |
decode_field (4); |
| 348 |
DEC_I (hv, 4, stream_content); |
| 349 |
DEC_I (hv, 8, component_type); |
| 350 |
DEC_I (hv, 8, component_tag); |
| 351 |
DEC_S (hv, 3, ISO_639_language_code); |
| 352 |
DEC_S (hv, (end - dec_ofs) >> 3, text); |
| 353 |
break; |
| 354 |
|
| 355 |
case DT_short_event: |
| 356 |
DEC_S (hv, 3, ISO_639_language_code); |
| 357 |
a = decode_field (8); DEC_S (hv, a, event_name); |
| 358 |
a = decode_field (8); DEC_S (hv, a, text); |
| 359 |
break; |
| 360 |
|
| 361 |
case DT_content: |
| 362 |
DEC_S (hv, len, content); |
| 363 |
break; |
| 364 |
|
| 365 |
case DT_private_data_specifier: |
| 366 |
DEC_I (hv, 32, private_data_specifier); |
| 367 |
break; |
| 368 |
|
| 369 |
default: |
| 370 |
fprintf (stderr, "UNKXXX %x\n", type);//D |
| 371 |
case 0: |
| 372 |
case DT_extended_event: |
| 373 |
case 0x80: |
| 374 |
case 0x81: |
| 375 |
case 0x82: |
| 376 |
case 0x84: |
| 377 |
case 0x85: |
| 378 |
DEC_S (hv, len, raw_data); |
| 379 |
break; |
| 380 |
} |
| 381 |
|
| 382 |
dec_ofs = end; // re-sync, in case of problems |
| 383 |
} |
| 384 |
|
| 385 |
return av; |
| 386 |
} |
| 387 |
|
| 388 |
MODULE = Linux::DVB PACKAGE = Linux::DVB |
| 389 |
|
| 390 |
PROTOTYPES: DISABLE |
| 391 |
|
| 392 |
void |
| 393 |
_consts () |
| 394 |
PPCODE: |
| 395 |
const struct consts *c; |
| 396 |
for (c = consts; |
| 397 |
c < consts + sizeof (consts) / sizeof (consts[0]); |
| 398 |
c++) |
| 399 |
{ |
| 400 |
XPUSHs (sv_2mortal (newSVpv (c->name, 0))); |
| 401 |
XPUSHs (sv_2mortal (newSViv (c->value))); |
| 402 |
} |
| 403 |
|
| 404 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Frontend |
| 405 |
|
| 406 |
SV * |
| 407 |
_frontend_info (int fd) |
| 408 |
CODE: |
| 409 |
struct dvb_frontend_info fi; |
| 410 |
HV *hv; |
| 411 |
|
| 412 |
if (ioctl (fd, FE_GET_INFO, &fi) < 0) |
| 413 |
XSRETURN_UNDEF; |
| 414 |
|
| 415 |
hv = newHV (); |
| 416 |
HVS_S (hv, fi, name); |
| 417 |
HVS_I (hv, fi, type); |
| 418 |
HVS_I (hv, fi, type); |
| 419 |
HVS_I (hv, fi, frequency_min); |
| 420 |
HVS_I (hv, fi, frequency_max); |
| 421 |
HVS_I (hv, fi, frequency_stepsize); |
| 422 |
HVS_I (hv, fi, frequency_tolerance); |
| 423 |
HVS_I (hv, fi, symbol_rate_min); |
| 424 |
HVS_I (hv, fi, symbol_rate_max); |
| 425 |
HVS_I (hv, fi, symbol_rate_tolerance); |
| 426 |
HVS_I (hv, fi, notifier_delay); |
| 427 |
HVS_I (hv, fi, caps); |
| 428 |
|
| 429 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 430 |
OUTPUT: |
| 431 |
RETVAL |
| 432 |
|
| 433 |
long |
| 434 |
_read_status (int fd) |
| 435 |
CODE: |
| 436 |
fe_status_t st; |
| 437 |
|
| 438 |
if (ioctl (fd, FE_READ_STATUS, &st) < 0) |
| 439 |
XSRETURN_UNDEF; |
| 440 |
|
| 441 |
RETVAL = st; |
| 442 |
OUTPUT: |
| 443 |
RETVAL |
| 444 |
|
| 445 |
U32 |
| 446 |
_read_ber (int fd) |
| 447 |
CODE: |
| 448 |
uint32_t ber; |
| 449 |
if (ioctl (fd, FE_READ_BER, &ber) < 0) |
| 450 |
XSRETURN_UNDEF; |
| 451 |
|
| 452 |
RETVAL = ber; |
| 453 |
OUTPUT: |
| 454 |
RETVAL |
| 455 |
|
| 456 |
U32 |
| 457 |
_read_snr (int fd) |
| 458 |
CODE: |
| 459 |
uint32_t ber; |
| 460 |
if (ioctl (fd, FE_READ_SNR, &ber) < 0) |
| 461 |
XSRETURN_UNDEF; |
| 462 |
|
| 463 |
RETVAL = ber; |
| 464 |
OUTPUT: |
| 465 |
RETVAL |
| 466 |
|
| 467 |
|
| 468 |
I16 |
| 469 |
_signal_strength (int fd) |
| 470 |
CODE: |
| 471 |
int16_t st; |
| 472 |
if (ioctl (fd, FE_READ_SIGNAL_STRENGTH, &st) < 0) |
| 473 |
XSRETURN_UNDEF; |
| 474 |
|
| 475 |
RETVAL = st; |
| 476 |
OUTPUT: |
| 477 |
RETVAL |
| 478 |
|
| 479 |
|
| 480 |
U32 |
| 481 |
_uncorrected_blocks (int fd) |
| 482 |
CODE: |
| 483 |
uint32_t ubl; |
| 484 |
if (ioctl (fd, FE_READ_UNCORRECTED_BLOCKS, &ubl) < 0) |
| 485 |
XSRETURN_UNDEF; |
| 486 |
|
| 487 |
RETVAL = ubl; |
| 488 |
OUTPUT: |
| 489 |
RETVAL |
| 490 |
|
| 491 |
SV * |
| 492 |
_get (int fd, int type) |
| 493 |
CODE: |
| 494 |
struct dvb_frontend_parameters p; |
| 495 |
HV *hv; |
| 496 |
|
| 497 |
if (ioctl (fd, FE_GET_FRONTEND, &p) < 0) |
| 498 |
XSRETURN_UNDEF; |
| 499 |
|
| 500 |
hv = newHV (); |
| 501 |
set_parameters (hv, &p, type); |
| 502 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 503 |
OUTPUT: |
| 504 |
RETVAL |
| 505 |
|
| 506 |
SV * |
| 507 |
_event (int fd, int type) |
| 508 |
CODE: |
| 509 |
struct dvb_frontend_event e; |
| 510 |
HV *hv; |
| 511 |
|
| 512 |
if (ioctl (fd, FE_GET_EVENT, &e) < 0) |
| 513 |
XSRETURN_UNDEF; |
| 514 |
|
| 515 |
hv = newHV (); |
| 516 |
HVS_I (hv, e, status); |
| 517 |
set_parameters (hv, &e.parameters, type); |
| 518 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 519 |
OUTPUT: |
| 520 |
RETVAL |
| 521 |
|
| 522 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Demux |
| 523 |
|
| 524 |
int |
| 525 |
_start (int fd) |
| 526 |
ALIAS: |
| 527 |
_stop = 1 |
| 528 |
CODE: |
| 529 |
if (ioctl (fd, ix ? DMX_STOP : DMX_START, 0) < 0) |
| 530 |
XSRETURN_UNDEF; |
| 531 |
|
| 532 |
RETVAL = 1; |
| 533 |
OUTPUT: |
| 534 |
RETVAL |
| 535 |
|
| 536 |
int |
| 537 |
_filter (int fd, U16 pid, SV *filter, SV *mask, U32 timeout = 0, U32 flags = DMX_CHECK_CRC) |
| 538 |
CODE: |
| 539 |
struct dmx_sct_filter_params p; |
| 540 |
STRLEN l; |
| 541 |
char *s; |
| 542 |
|
| 543 |
memset (&p.filter, 0, sizeof (p.filter)); |
| 544 |
|
| 545 |
p.pid = pid; |
| 546 |
s = SvPVbyte (filter, l); if (l > DMX_FILTER_SIZE) l = DMX_FILTER_SIZE; memcpy (p.filter.filter, s, l); |
| 547 |
s = SvPVbyte (mask , l); if (l > DMX_FILTER_SIZE) l = DMX_FILTER_SIZE; memcpy (p.filter.mask , s, l); |
| 548 |
p.timeout = timeout; |
| 549 |
p.flags = flags; |
| 550 |
if (ioctl (fd, DMX_SET_FILTER, &p) < 0) |
| 551 |
XSRETURN_UNDEF; |
| 552 |
|
| 553 |
RETVAL = 1; |
| 554 |
OUTPUT: |
| 555 |
RETVAL |
| 556 |
|
| 557 |
int |
| 558 |
_pes_filter (int fd, U16 pid, long input, long output, long type, U32 flags = 0) |
| 559 |
CODE: |
| 560 |
struct dmx_pes_filter_params p; |
| 561 |
|
| 562 |
p.pid = pid; |
| 563 |
p.input = input; |
| 564 |
p.output = output; |
| 565 |
p.pes_type = type; |
| 566 |
p.flags = flags; |
| 567 |
if (ioctl (fd, DMX_SET_PES_FILTER, &p) < 0) |
| 568 |
XSRETURN_UNDEF; |
| 569 |
|
| 570 |
RETVAL = 1; |
| 571 |
OUTPUT: |
| 572 |
RETVAL |
| 573 |
|
| 574 |
int |
| 575 |
_buffer (int fd, unsigned long size) |
| 576 |
CODE: |
| 577 |
|
| 578 |
if (ioctl (fd, DMX_SET_BUFFER_SIZE, size) < 0) |
| 579 |
XSRETURN_UNDEF; |
| 580 |
|
| 581 |
RETVAL = 1; |
| 582 |
OUTPUT: |
| 583 |
RETVAL |
| 584 |
|
| 585 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Decode PREFIX = decode_ |
| 586 |
|
| 587 |
void |
| 588 |
set (SV *data) |
| 589 |
CODE: |
| 590 |
|
| 591 |
int |
| 592 |
len () |
| 593 |
CODE: |
| 594 |
RETVAL = (dec_ofs + 7) >> 3; |
| 595 |
OUTPUT: |
| 596 |
RETVAL |
| 597 |
|
| 598 |
U32 |
| 599 |
field (int bits) |
| 600 |
|
| 601 |
SV * |
| 602 |
si (SV *stream) |
| 603 |
CODE: |
| 604 |
HV *hv = newHV (); |
| 605 |
|
| 606 |
U8 table_id; |
| 607 |
U16 length; |
| 608 |
long end; |
| 609 |
|
| 610 |
decode_set (stream); |
| 611 |
|
| 612 |
do { |
| 613 |
DEC_I (hv, 8, table_id); |
| 614 |
table_id = dec_field; |
| 615 |
} while (table_id == 0xff); |
| 616 |
|
| 617 |
DEC_I (hv, 1, section_syntax_indicator); |
| 618 |
decode_field (1); |
| 619 |
decode_field (2); |
| 620 |
|
| 621 |
length = decode_field (12); |
| 622 |
end = dec_ofs + (length << 3); |
| 623 |
|
| 624 |
switch (table_id) |
| 625 |
{ |
| 626 |
case SCT_EIT_PRESENT: |
| 627 |
case SCT_EIT_PRESENT_OTHER: |
| 628 |
case SCT_EIT_SCHEDULE0...SCT_EIT_SCHEDULE15: //GCC |
| 629 |
case SCT_EIT_SCHEDULE_OTHER0...SCT_EIT_SCHEDULE_OTHER15: //GCC |
| 630 |
DEC_I (hv, 16, service_id); |
| 631 |
decode_field (2); |
| 632 |
DEC_I (hv, 5, version_number); |
| 633 |
DEC_I (hv, 1, current_next_indicator); |
| 634 |
DEC_I (hv, 8, section_number); |
| 635 |
DEC_I (hv, 8, last_section_number); |
| 636 |
DEC_I (hv, 16, transport_stream_id); |
| 637 |
DEC_I (hv, 16, original_network_id); |
| 638 |
DEC_I (hv, 8, segment_last_section_number); |
| 639 |
DEC_I (hv, 8, last_table_id); |
| 640 |
|
| 641 |
AV *events = newAV (); |
| 642 |
hv_store (hv, "events", 6, newRV_noinc ((SV *)events), 0); |
| 643 |
|
| 644 |
while (end - dec_ofs > 32) |
| 645 |
{ |
| 646 |
long dll; |
| 647 |
AV *desc; |
| 648 |
HV *ev = newHV (); |
| 649 |
av_push (events, newRV_noinc ((SV *)ev)); |
| 650 |
|
| 651 |
DEC_I (ev, 16, event_id); |
| 652 |
DEC_I (ev, 16, start_time_mjd); |
| 653 |
DEC_I (ev, 24, start_time_hms); |
| 654 |
DEC_I (ev, 24, duration); |
| 655 |
DEC_I (ev, 3, running_status); |
| 656 |
DEC_I (ev, 1, free_CA_mode); |
| 657 |
|
| 658 |
dll = dec_ofs + (decode_field (12) << 3); |
| 659 |
|
| 660 |
desc = decode_descriptors (dll); |
| 661 |
hv_store (ev, "descriptors", 11, newRV_noinc ((SV *)desc), 0); |
| 662 |
} |
| 663 |
|
| 664 |
decode_field (32); // skip CRC |
| 665 |
|
| 666 |
break; |
| 667 |
#if 0 // service desc table |
| 668 |
case SCT_SDT: |
| 669 |
case SCT_SDT_OTHER: |
| 670 |
|
| 671 |
AV *events = newAV (); |
| 672 |
hv_store (hv, "events", 0, newRV_noinc (events), 0); |
| 673 |
|
| 674 |
while (end - dec_ofs > 32) |
| 675 |
{ |
| 676 |
HV *ev = newHV (); |
| 677 |
U32 dll; |
| 678 |
av_push (events, newRV_noinc (ev)); |
| 679 |
|
| 680 |
DEC_I (ev, 16, service_id); |
| 681 |
decode_field (6); |
| 682 |
DEC_I (ev, 1, EIT_schedule_flags); |
| 683 |
DEC_I (ev, 1, EIT_present_following_flag); |
| 684 |
DEC_I (ev, 3, running_status); |
| 685 |
DEC_I (ev, 1, free_CA_mode); |
| 686 |
|
| 687 |
dll = decode_field (12); |
| 688 |
|
| 689 |
DEC_I (ev, 1, free_CA_mode); |
| 690 |
} |
| 691 |
|
| 692 |
decode_field (32); // skip CRC |
| 693 |
//DEC_S (hv, length + 3 - (dec_ofs >> 3), raw_data); |
| 694 |
break; |
| 695 |
#endif |
| 696 |
default: |
| 697 |
DEC_S (hv, length, raw_data); |
| 698 |
break; |
| 699 |
} |
| 700 |
|
| 701 |
if (decode_overflow) |
| 702 |
{ |
| 703 |
SvREFCNT_dec (hv); |
| 704 |
XSRETURN_UNDEF; |
| 705 |
} |
| 706 |
|
| 707 |
sv_chop (stream, SvPVX (stream) + ((dec_ofs + 7) >> 3)); |
| 708 |
|
| 709 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 710 |
OUTPUT: |
| 711 |
RETVAL |
| 712 |
|
