| 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 |
typedef int FE_fd; |
| 13 |
|
| 14 |
enum { |
| 15 |
SCT_PAT = 0x00, |
| 16 |
SCT_CAT = 0x01, |
| 17 |
SCT_PMT = 0x02, |
| 18 |
SCT_TSDT = 0x03, |
| 19 |
SCT_NIT = 0x40,//TODO |
| 20 |
SCT_NIT_OTHER = 0x41, |
| 21 |
SCT_SDT = 0x42, |
| 22 |
SCT_SDT_OTHER = 0x46, |
| 23 |
SCT_BAT = 0x4a,//TODO |
| 24 |
SCT_EIT_PRESENT = 0x4e, |
| 25 |
SCT_EIT_PRESENT_OTHER = 0x4f, |
| 26 |
SCT_EIT_SCHEDULE0 = 0x50, |
| 27 |
SCT_EIT_SCHEDULE15 = 0x5f, |
| 28 |
SCT_EIT_SCHEDULE_OTHER0 = 0x60, |
| 29 |
SCT_EIT_SCHEDULE_OTHER15 = 0x6f, |
| 30 |
SCT_TDT = 0x70, |
| 31 |
SCT_RST = 0x71, |
| 32 |
SCT_ST = 0x72, |
| 33 |
SCT_TOT = 0x73, |
| 34 |
SCT_RNT = 0x74, |
| 35 |
SCT_CST = 0x75, |
| 36 |
SCT_RCT = 0x76, |
| 37 |
SCT_CIT = 0x77, |
| 38 |
SCT_MPE = 0x78, |
| 39 |
SCT_DIT = 0x7e, |
| 40 |
SCT_SIT = 0x7f, |
| 41 |
}; |
| 42 |
|
| 43 |
enum { |
| 44 |
DT_network_name = 0x40, |
| 45 |
DT_service_list = 0x41, |
| 46 |
DT_satellite_delivery_system = 0x43, |
| 47 |
DT_cable_delivery_system = 0x44, |
| 48 |
DT_service = 0x48, |
| 49 |
DT_country_availability = 0x49, |
| 50 |
DT_linkage = 0x4a, |
| 51 |
DT_short_event = 0x4d, |
| 52 |
DT_extended_event = 0x4e, //NYI |
| 53 |
DT_component = 0x50, |
| 54 |
DT_content = 0x54, |
| 55 |
DT_terrestrial_delivery_system = 0x5A, |
| 56 |
DT_private_data_specifier = 0x5f, |
| 57 |
DT_short_smoothing_buffer = 0x61, //NYI |
| 58 |
DT_scrambling_indicator = 0x65, //NYI |
| 59 |
DT_PDC = 0x69, |
| 60 |
}; |
| 61 |
|
| 62 |
static const struct consts { |
| 63 |
const char *name; |
| 64 |
const long value; |
| 65 |
} consts [] = { |
| 66 |
CONST (FE_QPSK), |
| 67 |
CONST (FE_QAM), |
| 68 |
CONST (FE_OFDM), |
| 69 |
|
| 70 |
CONST (FE_IS_STUPID), |
| 71 |
CONST (FE_CAN_INVERSION_AUTO), |
| 72 |
CONST (FE_CAN_FEC_1_2), |
| 73 |
CONST (FE_CAN_FEC_2_3), |
| 74 |
CONST (FE_CAN_FEC_3_4), |
| 75 |
CONST (FE_CAN_FEC_4_5), |
| 76 |
CONST (FE_CAN_FEC_5_6), |
| 77 |
CONST (FE_CAN_FEC_6_7), |
| 78 |
CONST (FE_CAN_FEC_7_8), |
| 79 |
CONST (FE_CAN_FEC_8_9), |
| 80 |
CONST (FE_CAN_FEC_AUTO), |
| 81 |
CONST (FE_CAN_QPSK), |
| 82 |
CONST (FE_CAN_QAM_16), |
| 83 |
CONST (FE_CAN_QAM_32), |
| 84 |
CONST (FE_CAN_QAM_64), |
| 85 |
CONST (FE_CAN_QAM_128), |
| 86 |
CONST (FE_CAN_QAM_256), |
| 87 |
CONST (FE_CAN_QAM_AUTO), |
| 88 |
CONST (FE_CAN_TRANSMISSION_MODE_AUTO), |
| 89 |
CONST (FE_CAN_BANDWIDTH_AUTO), |
| 90 |
CONST (FE_CAN_GUARD_INTERVAL_AUTO), |
| 91 |
CONST (FE_CAN_HIERARCHY_AUTO), |
| 92 |
CONST (FE_NEEDS_BENDING), |
| 93 |
CONST (FE_CAN_RECOVER), |
| 94 |
CONST (FE_CAN_MUTE_TS), |
| 95 |
|
| 96 |
CONST (FE_HAS_SIGNAL), |
| 97 |
CONST (FE_HAS_CARRIER), |
| 98 |
CONST (FE_HAS_VITERBI), |
| 99 |
CONST (FE_HAS_SYNC), |
| 100 |
CONST (FE_HAS_LOCK), |
| 101 |
CONST (FE_TIMEDOUT), |
| 102 |
CONST (FE_REINIT), |
| 103 |
|
| 104 |
CONST (INVERSION_OFF), |
| 105 |
CONST (INVERSION_ON), |
| 106 |
CONST (INVERSION_AUTO), |
| 107 |
|
| 108 |
CONST (FEC_NONE), |
| 109 |
CONST (FEC_1_2), |
| 110 |
CONST (FEC_2_3), |
| 111 |
CONST (FEC_3_4), |
| 112 |
CONST (FEC_4_5), |
| 113 |
CONST (FEC_5_6), |
| 114 |
CONST (FEC_6_7), |
| 115 |
CONST (FEC_7_8), |
| 116 |
CONST (FEC_8_9), |
| 117 |
CONST (FEC_AUTO), |
| 118 |
|
| 119 |
CONST (QPSK), |
| 120 |
CONST (QAM_16), |
| 121 |
CONST (QAM_32), |
| 122 |
CONST (QAM_64), |
| 123 |
CONST (QAM_128), |
| 124 |
CONST (QAM_256), |
| 125 |
CONST (QAM_AUTO), |
| 126 |
|
| 127 |
CONST (TRANSMISSION_MODE_2K), |
| 128 |
CONST (TRANSMISSION_MODE_8K), |
| 129 |
CONST (TRANSMISSION_MODE_AUTO), |
| 130 |
|
| 131 |
CONST (BANDWIDTH_8_MHZ), |
| 132 |
CONST (BANDWIDTH_7_MHZ), |
| 133 |
CONST (BANDWIDTH_6_MHZ), |
| 134 |
CONST (BANDWIDTH_AUTO), |
| 135 |
|
| 136 |
CONST (GUARD_INTERVAL_1_32), |
| 137 |
CONST (GUARD_INTERVAL_1_16), |
| 138 |
CONST (GUARD_INTERVAL_1_8), |
| 139 |
CONST (GUARD_INTERVAL_1_4), |
| 140 |
CONST (GUARD_INTERVAL_AUTO), |
| 141 |
|
| 142 |
CONST (HIERARCHY_NONE), |
| 143 |
CONST (HIERARCHY_1), |
| 144 |
CONST (HIERARCHY_2), |
| 145 |
CONST (HIERARCHY_4), |
| 146 |
CONST (HIERARCHY_AUTO), |
| 147 |
|
| 148 |
CONST (DMX_OUT_DECODER), |
| 149 |
CONST (DMX_OUT_TAP), |
| 150 |
CONST (DMX_OUT_TS_TAP), |
| 151 |
|
| 152 |
CONST (DMX_IN_FRONTEND), |
| 153 |
CONST (DMX_IN_DVR), |
| 154 |
|
| 155 |
CONST (DMX_PES_AUDIO0), |
| 156 |
CONST (DMX_PES_VIDEO0), |
| 157 |
CONST (DMX_PES_TELETEXT0), |
| 158 |
CONST (DMX_PES_SUBTITLE0), |
| 159 |
CONST (DMX_PES_PCR0), |
| 160 |
|
| 161 |
CONST (DMX_PES_AUDIO1), |
| 162 |
CONST (DMX_PES_VIDEO1), |
| 163 |
CONST (DMX_PES_TELETEXT1), |
| 164 |
CONST (DMX_PES_SUBTITLE1), |
| 165 |
CONST (DMX_PES_PCR1), |
| 166 |
|
| 167 |
CONST (DMX_PES_AUDIO2), |
| 168 |
CONST (DMX_PES_VIDEO2), |
| 169 |
CONST (DMX_PES_TELETEXT2), |
| 170 |
CONST (DMX_PES_SUBTITLE2), |
| 171 |
CONST (DMX_PES_PCR2), |
| 172 |
|
| 173 |
CONST (DMX_PES_AUDIO3), |
| 174 |
CONST (DMX_PES_VIDEO3), |
| 175 |
CONST (DMX_PES_TELETEXT3), |
| 176 |
CONST (DMX_PES_SUBTITLE3), |
| 177 |
CONST (DMX_PES_PCR3), |
| 178 |
|
| 179 |
CONST (DMX_PES_OTHER), |
| 180 |
|
| 181 |
CONST (DMX_PES_AUDIO), |
| 182 |
CONST (DMX_PES_VIDEO), |
| 183 |
CONST (DMX_PES_TELETEXT), |
| 184 |
CONST (DMX_PES_SUBTITLE), |
| 185 |
CONST (DMX_PES_PCR), |
| 186 |
|
| 187 |
//CONST (DMX_SCRAMBLING_EV), |
| 188 |
//CONST (DMX_FRONTEND_EV), |
| 189 |
|
| 190 |
CONST (DMX_CHECK_CRC), |
| 191 |
CONST (DMX_ONESHOT), |
| 192 |
CONST (DMX_IMMEDIATE_START), |
| 193 |
CONST (DMX_KERNEL_CLIENT), |
| 194 |
|
| 195 |
CONST (DMX_SOURCE_FRONT0), |
| 196 |
CONST (DMX_SOURCE_FRONT1), |
| 197 |
CONST (DMX_SOURCE_FRONT2), |
| 198 |
CONST (DMX_SOURCE_FRONT3), |
| 199 |
|
| 200 |
CONST (DMX_SOURCE_DVR0), |
| 201 |
CONST (DMX_SOURCE_DVR1), |
| 202 |
CONST (DMX_SOURCE_DVR2), |
| 203 |
CONST (DMX_SOURCE_DVR3), |
| 204 |
|
| 205 |
//CONST (DMX_SCRAMBLING_OFF), |
| 206 |
//CONST (DMX_SCRAMBLING_ON), |
| 207 |
|
| 208 |
// constants defined by this file |
| 209 |
CONST (SCT_PAT), |
| 210 |
CONST (SCT_CAT), |
| 211 |
CONST (SCT_PMT), |
| 212 |
CONST (SCT_TSDT), |
| 213 |
CONST (SCT_NIT), |
| 214 |
CONST (SCT_NIT_OTHER), |
| 215 |
CONST (SCT_SDT), |
| 216 |
CONST (SCT_SDT_OTHER), |
| 217 |
CONST (SCT_BAT), |
| 218 |
CONST (SCT_EIT_PRESENT), |
| 219 |
CONST (SCT_EIT_PRESENT_OTHER), |
| 220 |
CONST (SCT_EIT_SCHEDULE0), |
| 221 |
CONST (SCT_EIT_SCHEDULE15), |
| 222 |
CONST (SCT_EIT_SCHEDULE_OTHER0), |
| 223 |
CONST (SCT_EIT_SCHEDULE_OTHER15), |
| 224 |
CONST (SCT_TDT), |
| 225 |
CONST (SCT_RST), |
| 226 |
CONST (SCT_ST), |
| 227 |
CONST (SCT_TOT), |
| 228 |
CONST (SCT_RNT), |
| 229 |
CONST (SCT_CST), |
| 230 |
CONST (SCT_RCT), |
| 231 |
CONST (SCT_CIT), |
| 232 |
CONST (SCT_MPE), |
| 233 |
CONST (SCT_DIT), |
| 234 |
CONST (SCT_SIT), |
| 235 |
|
| 236 |
CONST (DT_network_name), |
| 237 |
CONST (DT_service_list), |
| 238 |
CONST (DT_satellite_delivery_system), |
| 239 |
CONST (DT_cable_delivery_system), |
| 240 |
CONST (DT_service), |
| 241 |
CONST (DT_country_availability), |
| 242 |
CONST (DT_linkage), |
| 243 |
CONST (DT_short_event), |
| 244 |
CONST (DT_extended_event), |
| 245 |
CONST (DT_component), |
| 246 |
CONST (DT_content), |
| 247 |
CONST (DT_terrestrial_delivery_system), |
| 248 |
CONST (DT_private_data_specifier), |
| 249 |
CONST (DT_short_smoothing_buffer), |
| 250 |
CONST (DT_scrambling_indicator), |
| 251 |
CONST (DT_PDC), |
| 252 |
}; |
| 253 |
|
| 254 |
#define HVS_S(hv,struct,member) hv_store (hv, #member, sizeof (#member) - 1, newSVpv (struct.member, 0), 0) |
| 255 |
#define HVS_I(hv,struct,member) hv_store (hv, #member, sizeof (#member) - 1, newSViv (struct.member), 0) |
| 256 |
#define HVS(hv,name,sv) hv_store (hv, #name, sizeof (#name) - 1, (sv), 0) |
| 257 |
|
| 258 |
static void |
| 259 |
get_parameters (HV *hv, struct dvb_frontend_parameters *p, fe_type_t type) |
| 260 |
{ |
| 261 |
HVS_I (hv, (*p), frequency); |
| 262 |
HVS_I (hv, (*p), inversion); |
| 263 |
|
| 264 |
switch (type) |
| 265 |
{ |
| 266 |
case FE_QPSK: |
| 267 |
HVS_I (hv, (*p).u.qpsk, symbol_rate); |
| 268 |
HVS_I (hv, (*p).u.qpsk, fec_inner); |
| 269 |
break; |
| 270 |
|
| 271 |
case FE_QAM: |
| 272 |
HVS_I (hv, (*p).u.qam, symbol_rate); |
| 273 |
HVS_I (hv, (*p).u.qam, fec_inner); |
| 274 |
HVS_I (hv, (*p).u.qam, modulation); |
| 275 |
break; |
| 276 |
|
| 277 |
case FE_OFDM: |
| 278 |
HVS_I (hv, (*p).u.ofdm, bandwidth); |
| 279 |
HVS_I (hv, (*p).u.ofdm, code_rate_HP); |
| 280 |
HVS_I (hv, (*p).u.ofdm, code_rate_LP); |
| 281 |
HVS_I (hv, (*p).u.ofdm, constellation); |
| 282 |
HVS_I (hv, (*p).u.ofdm, transmission_mode); |
| 283 |
break; |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
#define HVF_I(hv,struct,member) \ |
| 288 |
if (v = hv_fetch (hv, #member, sizeof (#member) - 1, 0)) \ |
| 289 |
struct.member = SvIV (*v); \ |
| 290 |
else \ |
| 291 |
croak ("required hash key '%s' not specified", #member); |
| 292 |
|
| 293 |
static void |
| 294 |
set_parameters (HV *hv, struct dvb_frontend_parameters *p, fe_type_t type) |
| 295 |
{ |
| 296 |
SV **v; |
| 297 |
|
| 298 |
HVF_I (hv, (*p), frequency); |
| 299 |
HVF_I (hv, (*p), inversion); |
| 300 |
|
| 301 |
switch (type) |
| 302 |
{ |
| 303 |
case FE_QPSK: |
| 304 |
HVF_I (hv, (*p).u.qpsk, symbol_rate); |
| 305 |
HVF_I (hv, (*p).u.qpsk, fec_inner); |
| 306 |
break; |
| 307 |
|
| 308 |
case FE_QAM: |
| 309 |
HVF_I (hv, (*p).u.qam, symbol_rate); |
| 310 |
HVF_I (hv, (*p).u.qam, fec_inner); |
| 311 |
HVF_I (hv, (*p).u.qam, modulation); |
| 312 |
break; |
| 313 |
|
| 314 |
case FE_OFDM: |
| 315 |
HVF_I (hv, (*p).u.ofdm, bandwidth); |
| 316 |
HVF_I (hv, (*p).u.ofdm, code_rate_HP); |
| 317 |
HVF_I (hv, (*p).u.ofdm, code_rate_LP); |
| 318 |
HVF_I (hv, (*p).u.ofdm, constellation); |
| 319 |
HVF_I (hv, (*p).u.ofdm, transmission_mode); |
| 320 |
break; |
| 321 |
} |
| 322 |
} |
| 323 |
|
| 324 |
typedef unsigned char u8; |
| 325 |
|
| 326 |
static SV *dec_sv; |
| 327 |
static u8 *dec_data; |
| 328 |
static long dec_ofs, dec_len8; |
| 329 |
static U32 dec_field; |
| 330 |
STRLEN dec_len; |
| 331 |
|
| 332 |
#define decode_overflow (dec_ofs > dec_len8) |
| 333 |
|
| 334 |
static void |
| 335 |
decode_set (SV *data) |
| 336 |
{ |
| 337 |
if (dec_sv) |
| 338 |
SvREFCNT_dec (dec_sv); |
| 339 |
|
| 340 |
dec_sv = newSVsv (data); |
| 341 |
dec_data = (u8 *)SvPVbyte (dec_sv, dec_len); |
| 342 |
dec_ofs = 0; |
| 343 |
dec_len8 = dec_len << 3; |
| 344 |
} |
| 345 |
|
| 346 |
static U32 |
| 347 |
decode_field (int bits) |
| 348 |
{ |
| 349 |
u8 *p = dec_data + (dec_ofs >> 3); |
| 350 |
int frac = 8 - (dec_ofs & 7); |
| 351 |
dec_ofs += bits; |
| 352 |
|
| 353 |
if (decode_overflow) |
| 354 |
return dec_field = 0; |
| 355 |
|
| 356 |
U32 r = *p++; |
| 357 |
|
| 358 |
r &= (1UL << frac) - 1; |
| 359 |
|
| 360 |
if (bits < frac) |
| 361 |
r >>= (frac - bits); |
| 362 |
else |
| 363 |
{ |
| 364 |
bits -= frac; |
| 365 |
|
| 366 |
while (bits >= 8) |
| 367 |
{ |
| 368 |
r = (r << 8) | *p++; |
| 369 |
bits -= 8; |
| 370 |
} |
| 371 |
|
| 372 |
if (bits > 0) |
| 373 |
r = (r << bits) | (*p >> (8 - bits)); |
| 374 |
} |
| 375 |
|
| 376 |
return dec_field = r; |
| 377 |
} |
| 378 |
|
| 379 |
U32 |
| 380 |
clamp (U32 len) |
| 381 |
{ |
| 382 |
return len < 4096 |
| 383 |
&& len <= dec_len8 - (dec_ofs >> 3) + 1 /* +1 to detect overflows */ |
| 384 |
? len : 0; |
| 385 |
} |
| 386 |
|
| 387 |
/* works on SvPOK strings ONLY */ |
| 388 |
void |
| 389 |
safe_sv_chop (SV *sv, STRLEN count) |
| 390 |
{ |
| 391 |
if ((U32)count >= (U32)SvCUR (sv)) |
| 392 |
SvCUR_set (sv, 0); |
| 393 |
else |
| 394 |
sv_chop (sv, SvPVX (sv) + count); |
| 395 |
} |
| 396 |
|
| 397 |
U32 |
| 398 |
bcd_to_int (U32 bcd_number) |
| 399 |
{ |
| 400 |
U32 result = 0; |
| 401 |
U32 multiplicator = 1; |
| 402 |
|
| 403 |
while (bcd_number != 0) |
| 404 |
{ |
| 405 |
result += (bcd_number & 0x0f) * multiplicator; |
| 406 |
bcd_number >>= 4; |
| 407 |
multiplicator *= 10; |
| 408 |
} |
| 409 |
|
| 410 |
return result; |
| 411 |
} |
| 412 |
|
| 413 |
static SV * |
| 414 |
text2sv (u8 *data, U32 len) |
| 415 |
{ |
| 416 |
dSP; |
| 417 |
SV *sv = newSVpvn ((char *)data, clamp (len)); |
| 418 |
|
| 419 |
PUSHMARK (SP); |
| 420 |
XPUSHs (sv); |
| 421 |
PUTBACK; |
| 422 |
call_pv ("Linux::DVB::Decode::text", G_VOID); |
| 423 |
|
| 424 |
return sv; |
| 425 |
} |
| 426 |
|
| 427 |
#define DEC_I(hv, bits, name) HVS (hv, name, newSViv (decode_field (bits))) |
| 428 |
#define DEC_T(hv, bytes, name) HVS (hv, name, text2sv (dec_data + (dec_ofs >> 3), clamp (bytes))), dec_ofs += clamp (bytes) << 3 |
| 429 |
#define DEC_S(hv, bytes, name) HVS (hv, name, newSVpvn ((char *)dec_data + (dec_ofs >> 3), clamp (bytes))), dec_ofs += clamp (bytes) << 3 |
| 430 |
|
| 431 |
static AV * |
| 432 |
decode_descriptors (long end) |
| 433 |
{ |
| 434 |
AV *av = newAV (); |
| 435 |
|
| 436 |
while (dec_ofs < end) |
| 437 |
{ |
| 438 |
HV *hv = newHV (); |
| 439 |
U8 type, len, len2; |
| 440 |
AV *av2; |
| 441 |
long end, end2; |
| 442 |
|
| 443 |
av_push (av, newRV_noinc ((SV *)hv)); |
| 444 |
|
| 445 |
DEC_I (hv, 8, type); |
| 446 |
type = dec_field; |
| 447 |
len = decode_field (8); |
| 448 |
end = dec_ofs + (len << 3); |
| 449 |
|
| 450 |
if (end > dec_len8) |
| 451 |
return av; |
| 452 |
|
| 453 |
switch (type) |
| 454 |
{ |
| 455 |
case DT_network_name: |
| 456 |
DEC_T (hv, (end - dec_ofs) >> 3, network_name); |
| 457 |
break; |
| 458 |
|
| 459 |
case DT_service_list: |
| 460 |
{ |
| 461 |
AV *services = newAV (); |
| 462 |
HVS (hv, services, newRV_noinc ((SV *)services)); |
| 463 |
|
| 464 |
while (dec_ofs < end) |
| 465 |
{ |
| 466 |
HV *sv = newHV (); |
| 467 |
av_push (services, newRV_noinc ((SV *)sv)); |
| 468 |
|
| 469 |
DEC_I (sv, 16, service_id); |
| 470 |
DEC_I (sv, 8, service_type); |
| 471 |
|
| 472 |
} |
| 473 |
} |
| 474 |
|
| 475 |
break; |
| 476 |
|
| 477 |
case DT_satellite_delivery_system: |
| 478 |
HVS (hv, frequency, newSVuv (bcd_to_int (decode_field (32)))); |
| 479 |
HVS (hv, orbital_position, newSVnv (bcd_to_int (decode_field (32)) / 10)); |
| 480 |
DEC_I (hv, 1, west_east_flag); |
| 481 |
DEC_I (hv, 2, polarization); |
| 482 |
DEC_I (hv, 5, modulation); |
| 483 |
HVS (hv, symbol_rate, newSVuv (bcd_to_int (decode_field (28)))); |
| 484 |
DEC_I (hv, 4, fec_inner); |
| 485 |
break; |
| 486 |
|
| 487 |
case DT_cable_delivery_system: |
| 488 |
{ |
| 489 |
I16 qam_modulation = -1; |
| 490 |
|
| 491 |
HVS (hv, frequency, newSVuv (bcd_to_int (decode_field (32)))); |
| 492 |
decode_field (12); // reserved |
| 493 |
DEC_I (hv, 4, fec_outer); |
| 494 |
|
| 495 |
DEC_I (hv, 8, modulation); |
| 496 |
|
| 497 |
if (dec_field >= 1 && dec_field <= 5) |
| 498 |
qam_modulation = 1 << dec_field + 3; |
| 499 |
|
| 500 |
HVS (hv, modulation_qam, newSViv (qam_modulation)); |
| 501 |
|
| 502 |
HVS (hv, symbol_rate, newSVuv (bcd_to_int (decode_field (28)))); |
| 503 |
DEC_I (hv, 4, fec_inner); |
| 504 |
|
| 505 |
break; |
| 506 |
} |
| 507 |
|
| 508 |
case DT_service: |
| 509 |
DEC_I (hv, 8, service_type); |
| 510 |
len2 = decode_field (8); DEC_T (hv, len2, service_provider_name); |
| 511 |
len2 = decode_field (8); DEC_T (hv, len2, service_name); |
| 512 |
break; |
| 513 |
|
| 514 |
case DT_country_availability: |
| 515 |
DEC_I (hv, 1, country_availability_flag); |
| 516 |
decode_field (7); |
| 517 |
|
| 518 |
DEC_S (hv, (end - dec_ofs) >> 3, private_data); |
| 519 |
//while (dec_ofs + 24 <= end) |
| 520 |
// av_push (av, |
| 521 |
break; |
| 522 |
|
| 523 |
case DT_linkage: |
| 524 |
DEC_I (hv, 16, transport_stream_id); |
| 525 |
DEC_I (hv, 16, original_network_id); |
| 526 |
DEC_I (hv, 16, service_id); |
| 527 |
DEC_I (hv, 8, linkage_type); |
| 528 |
|
| 529 |
if (dec_field == 8) |
| 530 |
{ |
| 531 |
U32 hot, org; |
| 532 |
|
| 533 |
DEC_I (hv, 8, hand_over_type); hot = dec_field; |
| 534 |
decode_field (3); |
| 535 |
DEC_I (hv, 1, origin_type); org = dec_field; |
| 536 |
|
| 537 |
if (hot > 0x00 && hot < 0x04) |
| 538 |
DEC_I (hv, 16, network_id); |
| 539 |
|
| 540 |
if (org == 0) |
| 541 |
DEC_I (hv, 16, initial_service_id); |
| 542 |
} |
| 543 |
|
| 544 |
DEC_S (hv, (end - dec_ofs) >> 3, private_data); |
| 545 |
break; |
| 546 |
|
| 547 |
case DT_PDC: |
| 548 |
decode_field (4); |
| 549 |
DEC_I (hv, 20, programme_identification_label); |
| 550 |
break; |
| 551 |
|
| 552 |
case DT_component: |
| 553 |
decode_field (4); |
| 554 |
DEC_I (hv, 4, stream_content); |
| 555 |
DEC_I (hv, 8, component_type); |
| 556 |
DEC_I (hv, 8, component_tag); |
| 557 |
DEC_S (hv, 3, ISO_639_language_code); |
| 558 |
DEC_T (hv, (end - dec_ofs) >> 3, text); |
| 559 |
break; |
| 560 |
|
| 561 |
case DT_short_event: |
| 562 |
DEC_S (hv, 3, ISO_639_language_code); |
| 563 |
len2 = decode_field (8); DEC_T (hv, len2, event_name); |
| 564 |
len2 = decode_field (8); DEC_T (hv, len2, text); |
| 565 |
break; |
| 566 |
|
| 567 |
case DT_extended_event: |
| 568 |
DEC_I (hv, 4, descriptor_number); |
| 569 |
DEC_I (hv, 4, last_descriptor_number); |
| 570 |
DEC_S (hv, 3, ISO_639_language_code); |
| 571 |
|
| 572 |
len2 = decode_field (8); end2 = dec_ofs + (len2 << 3); |
| 573 |
av2 = newAV (); |
| 574 |
HVS (hv, items, newRV_noinc ((SV *)av2)); |
| 575 |
|
| 576 |
while (dec_ofs < end2) |
| 577 |
{ |
| 578 |
AV *av3 = newAV (); |
| 579 |
len2 = decode_field (8); av_push (av3, text2sv (dec_data + (dec_ofs >> 3), len2)), dec_ofs += len << 3; |
| 580 |
len2 = decode_field (8); av_push (av3, text2sv (dec_data + (dec_ofs >> 3), len2)), dec_ofs += len << 3; |
| 581 |
|
| 582 |
av_push (av2, newRV_noinc ((SV *)av3)); |
| 583 |
} |
| 584 |
|
| 585 |
len2 = decode_field (8); DEC_T (hv, len2, text); |
| 586 |
break; |
| 587 |
|
| 588 |
case DT_content: |
| 589 |
av2 = newAV (); |
| 590 |
HVS (hv, items, newRV_noinc ((SV *)av2)); |
| 591 |
|
| 592 |
while (dec_ofs < end) |
| 593 |
{ |
| 594 |
HV *ev = newHV (); |
| 595 |
|
| 596 |
DEC_I (ev, 4, content_nibble_level_1); |
| 597 |
DEC_I (ev, 4, content_nibble_level_2); |
| 598 |
DEC_I (ev, 4, user_nibble_1); |
| 599 |
DEC_I (ev, 4, user_nibble_2); |
| 600 |
|
| 601 |
av_push (av2, newRV_noinc ((SV *)ev)); |
| 602 |
} |
| 603 |
|
| 604 |
break; |
| 605 |
|
| 606 |
case DT_terrestrial_delivery_system: |
| 607 |
{ |
| 608 |
I8 bandwidth_mhz = -1; |
| 609 |
|
| 610 |
HVS (hv, centre_frequency, newSVuv (decode_field (32) * 10)); |
| 611 |
|
| 612 |
DEC_I (hv, 3, bandwidth); |
| 613 |
|
| 614 |
if (dec_field <= 3) |
| 615 |
bandwidth_mhz = 8 - dec_field; |
| 616 |
|
| 617 |
HVS (hv, bandwidth_mhz, newSViv (bandwidth_mhz)); |
| 618 |
|
| 619 |
DEC_I (hv, 1, priority); |
| 620 |
DEC_I (hv, 1, time_slicing_indicator); |
| 621 |
DEC_I (hv, 1, mpe_fec_indicator); |
| 622 |
decode_field (2); // reserved |
| 623 |
DEC_I (hv, 2, constellation); |
| 624 |
DEC_I (hv, 3, hierarchy_information); |
| 625 |
DEC_I (hv, 3, code_rate_hp_stream); |
| 626 |
DEC_I (hv, 3, code_rate_lp_stream); |
| 627 |
DEC_I (hv, 2, guard_interval); |
| 628 |
DEC_I (hv, 2, transmission_mode); |
| 629 |
DEC_I (hv, 1, other_frequency_use); |
| 630 |
decode_field (32); |
| 631 |
} |
| 632 |
break; |
| 633 |
|
| 634 |
case DT_private_data_specifier: |
| 635 |
DEC_I (hv, 32, private_data_specifier); |
| 636 |
break; |
| 637 |
|
| 638 |
default: |
| 639 |
//fprintf (stderr, "UNKXXX %x\n", type);//D |
| 640 |
|
| 641 |
case 0: |
| 642 |
case 0x80: |
| 643 |
case 0x81: |
| 644 |
case 0x82: |
| 645 |
case 0x83: |
| 646 |
case 0x84: |
| 647 |
case 0x85: |
| 648 |
case 0x8d: |
| 649 |
case 0x8e: |
| 650 |
case 0xb2: |
| 651 |
DEC_S (hv, len, raw_data); |
| 652 |
break; |
| 653 |
} |
| 654 |
|
| 655 |
dec_ofs = end; // re-sync, in case of problems |
| 656 |
} |
| 657 |
|
| 658 |
return av; |
| 659 |
} |
| 660 |
|
| 661 |
MODULE = Linux::DVB PACKAGE = Linux::DVB |
| 662 |
|
| 663 |
PROTOTYPES: DISABLE |
| 664 |
|
| 665 |
void |
| 666 |
_consts () |
| 667 |
PPCODE: |
| 668 |
const struct consts *c; |
| 669 |
for (c = consts; |
| 670 |
c < consts + sizeof (consts) / sizeof (consts[0]); |
| 671 |
c++) |
| 672 |
{ |
| 673 |
XPUSHs (sv_2mortal (newSVpv (c->name, 0))); |
| 674 |
XPUSHs (sv_2mortal (newSViv (c->value))); |
| 675 |
} |
| 676 |
|
| 677 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Frontend |
| 678 |
|
| 679 |
SV * |
| 680 |
frontend_info (FE_fd fd) |
| 681 |
CODE: |
| 682 |
struct dvb_frontend_info fi; |
| 683 |
HV *hv; |
| 684 |
|
| 685 |
if (ioctl (fd, FE_GET_INFO, &fi) < 0) |
| 686 |
XSRETURN_UNDEF; |
| 687 |
|
| 688 |
hv = newHV (); |
| 689 |
HVS_S (hv, fi, name); |
| 690 |
HVS_I (hv, fi, type); |
| 691 |
HVS_I (hv, fi, type); |
| 692 |
HVS_I (hv, fi, frequency_min); |
| 693 |
HVS_I (hv, fi, frequency_max); |
| 694 |
HVS_I (hv, fi, frequency_stepsize); |
| 695 |
HVS_I (hv, fi, frequency_tolerance); |
| 696 |
HVS_I (hv, fi, symbol_rate_min); |
| 697 |
HVS_I (hv, fi, symbol_rate_max); |
| 698 |
HVS_I (hv, fi, symbol_rate_tolerance); |
| 699 |
HVS_I (hv, fi, notifier_delay); |
| 700 |
HVS_I (hv, fi, caps); |
| 701 |
|
| 702 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 703 |
OUTPUT: |
| 704 |
RETVAL |
| 705 |
|
| 706 |
long |
| 707 |
read_status (FE_fd fd) |
| 708 |
CODE: |
| 709 |
fe_status_t st; |
| 710 |
|
| 711 |
if (ioctl (fd, FE_READ_STATUS, &st) < 0) |
| 712 |
XSRETURN_UNDEF; |
| 713 |
|
| 714 |
RETVAL = st; |
| 715 |
OUTPUT: |
| 716 |
RETVAL |
| 717 |
|
| 718 |
U32 |
| 719 |
read_ber (FE_fd fd) |
| 720 |
CODE: |
| 721 |
uint32_t ber; |
| 722 |
if (ioctl (fd, FE_READ_BER, &ber) < 0) |
| 723 |
XSRETURN_UNDEF; |
| 724 |
|
| 725 |
RETVAL = ber; |
| 726 |
OUTPUT: |
| 727 |
RETVAL |
| 728 |
|
| 729 |
U32 |
| 730 |
read_snr (FE_fd fd) |
| 731 |
CODE: |
| 732 |
uint32_t ber; |
| 733 |
if (ioctl (fd, FE_READ_SNR, &ber) < 0) |
| 734 |
XSRETURN_UNDEF; |
| 735 |
|
| 736 |
RETVAL = ber; |
| 737 |
OUTPUT: |
| 738 |
RETVAL |
| 739 |
|
| 740 |
|
| 741 |
I16 |
| 742 |
signal_strength (FE_fd fd) |
| 743 |
CODE: |
| 744 |
int16_t st; |
| 745 |
if (ioctl (fd, FE_READ_SIGNAL_STRENGTH, &st) < 0) |
| 746 |
XSRETURN_UNDEF; |
| 747 |
|
| 748 |
RETVAL = st; |
| 749 |
OUTPUT: |
| 750 |
RETVAL |
| 751 |
|
| 752 |
|
| 753 |
U32 |
| 754 |
uncorrected_blocks (FE_fd fd) |
| 755 |
CODE: |
| 756 |
uint32_t ubl; |
| 757 |
if (ioctl (fd, FE_READ_UNCORRECTED_BLOCKS, &ubl) < 0) |
| 758 |
XSRETURN_UNDEF; |
| 759 |
|
| 760 |
RETVAL = ubl; |
| 761 |
OUTPUT: |
| 762 |
RETVAL |
| 763 |
|
| 764 |
int |
| 765 |
_set (int fd, SV *parameters, int type) |
| 766 |
CODE: |
| 767 |
struct dvb_frontend_parameters p; |
| 768 |
|
| 769 |
if (!SvROK (parameters) || SvTYPE (SvRV (parameters)) != SVt_PVHV) |
| 770 |
croak ("Linux::DVB::Frontend::set requires a hash as argument"); |
| 771 |
|
| 772 |
set_parameters ((HV *)SvRV (parameters), &p, type); |
| 773 |
|
| 774 |
if (ioctl (fd, FE_SET_FRONTEND, &p) < 0) |
| 775 |
XSRETURN_UNDEF; |
| 776 |
|
| 777 |
RETVAL = 1; |
| 778 |
OUTPUT: |
| 779 |
RETVAL |
| 780 |
|
| 781 |
SV * |
| 782 |
_get (int fd, int type) |
| 783 |
CODE: |
| 784 |
struct dvb_frontend_parameters p; |
| 785 |
HV *hv; |
| 786 |
|
| 787 |
if (ioctl (fd, FE_GET_FRONTEND, &p) < 0) |
| 788 |
XSRETURN_UNDEF; |
| 789 |
|
| 790 |
hv = newHV (); |
| 791 |
get_parameters (hv, &p, type); |
| 792 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 793 |
OUTPUT: |
| 794 |
RETVAL |
| 795 |
|
| 796 |
SV * |
| 797 |
_event (int fd, int type) |
| 798 |
CODE: |
| 799 |
struct dvb_frontend_event e; |
| 800 |
HV *hv; |
| 801 |
|
| 802 |
if (ioctl (fd, FE_GET_EVENT, &e) < 0) |
| 803 |
XSRETURN_UNDEF; |
| 804 |
|
| 805 |
hv = newHV (); |
| 806 |
HVS_I (hv, e, status); |
| 807 |
get_parameters (hv, &e.parameters, type); |
| 808 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 809 |
OUTPUT: |
| 810 |
RETVAL |
| 811 |
|
| 812 |
int |
| 813 |
diseqc_reset_overload (FE_fd fd) |
| 814 |
CODE: |
| 815 |
RETVAL = !!ioctl (fd, FE_DISEQC_RESET_OVERLOAD); |
| 816 |
OUTPUT: |
| 817 |
RETVAL |
| 818 |
|
| 819 |
int |
| 820 |
diseqc_voltage (FE_fd fd, int volts) |
| 821 |
CODE: |
| 822 |
RETVAL = !!ioctl (fd, FE_SET_VOLTAGE, volts == 18 |
| 823 |
? SEC_VOLTAGE_18 |
| 824 |
: SEC_VOLTAGE_13); |
| 825 |
OUTPUT: |
| 826 |
RETVAL |
| 827 |
|
| 828 |
int |
| 829 |
diseqc_tone (FE_fd fd, int on) |
| 830 |
CODE: |
| 831 |
RETVAL = !!ioctl (fd, FE_SET_TONE, on ? SEC_TONE_ON : SEC_TONE_OFF); |
| 832 |
OUTPUT: |
| 833 |
RETVAL |
| 834 |
|
| 835 |
int |
| 836 |
diseqc_send_burst (FE_fd fd, int type) |
| 837 |
CODE: |
| 838 |
RETVAL = !!ioctl (fd, FE_DISEQC_SEND_BURST, type ? SEC_MINI_B : SEC_MINI_A); |
| 839 |
OUTPUT: |
| 840 |
RETVAL |
| 841 |
|
| 842 |
int |
| 843 |
diseqc_cmd (FE_fd fd, SV *command_) |
| 844 |
CODE: |
| 845 |
{ |
| 846 |
STRLEN len; |
| 847 |
char *command = SvPVbyte (command_, len); |
| 848 |
struct dvb_diseqc_master_cmd cmd; |
| 849 |
|
| 850 |
memcpy (cmd.msg, command, len); |
| 851 |
cmd.msg_len = len; |
| 852 |
RETVAL = !!ioctl (fd, FE_DISEQC_SEND_MASTER_CMD, &cmd); |
| 853 |
} |
| 854 |
OUTPUT: |
| 855 |
RETVAL |
| 856 |
|
| 857 |
SV * |
| 858 |
diseqc_reply (FE_fd fd, int timeout_ms) |
| 859 |
CODE: |
| 860 |
{ |
| 861 |
struct dvb_diseqc_slave_reply rep; |
| 862 |
rep.timeout = timeout_ms; |
| 863 |
|
| 864 |
if (!!ioctl (fd, FE_DISEQC_RECV_SLAVE_REPLY, &rep)) |
| 865 |
RETVAL = newSVpvn ((char *)rep.msg, rep.msg_len); |
| 866 |
else |
| 867 |
RETVAL = &PL_sv_undef; |
| 868 |
} |
| 869 |
OUTPUT: |
| 870 |
RETVAL |
| 871 |
|
| 872 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Demux |
| 873 |
|
| 874 |
int |
| 875 |
_start (int fd) |
| 876 |
ALIAS: |
| 877 |
_stop = 1 |
| 878 |
CODE: |
| 879 |
if (ioctl (fd, ix ? DMX_STOP : DMX_START, 0) < 0) |
| 880 |
XSRETURN_UNDEF; |
| 881 |
|
| 882 |
RETVAL = 1; |
| 883 |
OUTPUT: |
| 884 |
RETVAL |
| 885 |
|
| 886 |
int |
| 887 |
_filter (int fd, U16 pid, SV *filter, SV *mask, U32 timeout = 0, U32 flags = DMX_CHECK_CRC) |
| 888 |
CODE: |
| 889 |
struct dmx_sct_filter_params p; |
| 890 |
STRLEN l; |
| 891 |
char *s; |
| 892 |
|
| 893 |
memset (&p.filter, 0, sizeof (p.filter)); |
| 894 |
|
| 895 |
p.pid = pid; |
| 896 |
s = SvPVbyte (filter, l); if (l > DMX_FILTER_SIZE) l = DMX_FILTER_SIZE; memcpy (p.filter.filter, s, l); |
| 897 |
s = SvPVbyte (mask , l); if (l > DMX_FILTER_SIZE) l = DMX_FILTER_SIZE; memcpy (p.filter.mask , s, l); |
| 898 |
p.timeout = timeout; |
| 899 |
p.flags = flags; |
| 900 |
if (ioctl (fd, DMX_SET_FILTER, &p) < 0) |
| 901 |
XSRETURN_UNDEF; |
| 902 |
|
| 903 |
RETVAL = 1; |
| 904 |
OUTPUT: |
| 905 |
RETVAL |
| 906 |
|
| 907 |
int |
| 908 |
_pes_filter (int fd, U16 pid, long input, long output, long type, U32 flags = 0) |
| 909 |
CODE: |
| 910 |
struct dmx_pes_filter_params p; |
| 911 |
|
| 912 |
p.pid = pid; |
| 913 |
p.input = input; |
| 914 |
p.output = output; |
| 915 |
p.pes_type = type; |
| 916 |
p.flags = flags; |
| 917 |
if (ioctl (fd, DMX_SET_PES_FILTER, &p) < 0) |
| 918 |
XSRETURN_UNDEF; |
| 919 |
|
| 920 |
RETVAL = 1; |
| 921 |
OUTPUT: |
| 922 |
RETVAL |
| 923 |
|
| 924 |
int |
| 925 |
_buffer (int fd, unsigned long size) |
| 926 |
CODE: |
| 927 |
|
| 928 |
if (ioctl (fd, DMX_SET_BUFFER_SIZE, size) < 0) |
| 929 |
XSRETURN_UNDEF; |
| 930 |
|
| 931 |
RETVAL = 1; |
| 932 |
OUTPUT: |
| 933 |
RETVAL |
| 934 |
|
| 935 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Decode PREFIX = decode_ |
| 936 |
|
| 937 |
void |
| 938 |
decode_set (SV *data) |
| 939 |
CODE: |
| 940 |
|
| 941 |
int |
| 942 |
decode_len () |
| 943 |
CODE: |
| 944 |
RETVAL = (dec_ofs + 7) >> 3; |
| 945 |
OUTPUT: |
| 946 |
RETVAL |
| 947 |
|
| 948 |
U32 |
| 949 |
decode_field (int bits) |
| 950 |
|
| 951 |
SV * |
| 952 |
decode_si (SV *stream) |
| 953 |
CODE: |
| 954 |
HV *hv = newHV (); |
| 955 |
|
| 956 |
int syntax_indicator; |
| 957 |
U8 table_id; |
| 958 |
U16 length; |
| 959 |
long end; |
| 960 |
|
| 961 |
decode_set (stream); |
| 962 |
|
| 963 |
do { |
| 964 |
DEC_I (hv, 8, table_id); |
| 965 |
table_id = dec_field; |
| 966 |
} while (table_id == 0xff); |
| 967 |
|
| 968 |
syntax_indicator = decode_field (1); |
| 969 |
HVS (hv, section_syntax_indicator, newSViv (syntax_indicator)); |
| 970 |
|
| 971 |
decode_field (1); |
| 972 |
decode_field (2); |
| 973 |
|
| 974 |
length = decode_field (12); |
| 975 |
end = dec_ofs + (length << 3); |
| 976 |
|
| 977 |
if (syntax_indicator) |
| 978 |
{ |
| 979 |
switch (table_id) |
| 980 |
{ |
| 981 |
case SCT_NIT: |
| 982 |
case SCT_NIT_OTHER: |
| 983 |
{ |
| 984 |
U16 descriptor_end_offset; |
| 985 |
|
| 986 |
DEC_I (hv, 16, network_id); |
| 987 |
decode_field (2); // reserved |
| 988 |
DEC_I (hv, 5, version_number); |
| 989 |
DEC_I (hv, 1, current_next_indicator); |
| 990 |
DEC_I (hv, 8, section_number); |
| 991 |
DEC_I (hv, 8, last_section_number); |
| 992 |
decode_field (4); // reserved |
| 993 |
|
| 994 |
AV *desc; |
| 995 |
descriptor_end_offset = dec_ofs + (decode_field (12) << 3); |
| 996 |
desc = decode_descriptors (descriptor_end_offset); |
| 997 |
HVS (hv,network_descriptors, newRV_noinc ((SV *)desc)); |
| 998 |
|
| 999 |
decode_field (4); //reserved |
| 1000 |
decode_field (12); // Skip length, we read until the end |
| 1001 |
|
| 1002 |
AV *events = newAV (); |
| 1003 |
HVS (hv, events, newRV_noinc ((SV *)events)); |
| 1004 |
while (end - dec_ofs > 32) |
| 1005 |
{ |
| 1006 |
long dll; |
| 1007 |
HV *ev = newHV (); |
| 1008 |
av_push (events, newRV_noinc ((SV *)ev)); |
| 1009 |
|
| 1010 |
DEC_I (ev, 16, transport_stream_id); |
| 1011 |
DEC_I (ev, 16, original_network_id); |
| 1012 |
decode_field (4); |
| 1013 |
|
| 1014 |
dll = dec_ofs + (decode_field (12) << 3); |
| 1015 |
desc = decode_descriptors (dll); |
| 1016 |
HVS (ev, descriptors, newRV_noinc ((SV *)desc)); |
| 1017 |
} |
| 1018 |
|
| 1019 |
decode_field (32); // skip CRC |
| 1020 |
} |
| 1021 |
|
| 1022 |
break; |
| 1023 |
|
| 1024 |
case SCT_EIT_PRESENT: |
| 1025 |
case SCT_EIT_PRESENT_OTHER: |
| 1026 |
case SCT_EIT_SCHEDULE0...SCT_EIT_SCHEDULE15: //GCC |
| 1027 |
case SCT_EIT_SCHEDULE_OTHER0...SCT_EIT_SCHEDULE_OTHER15: //GCC |
| 1028 |
{ |
| 1029 |
DEC_I (hv, 16, service_id); |
| 1030 |
decode_field (2); |
| 1031 |
DEC_I (hv, 5, version_number); |
| 1032 |
DEC_I (hv, 1, current_next_indicator); |
| 1033 |
DEC_I (hv, 8, section_number); |
| 1034 |
DEC_I (hv, 8, last_section_number); |
| 1035 |
DEC_I (hv, 16, transport_stream_id); |
| 1036 |
DEC_I (hv, 16, original_network_id); |
| 1037 |
DEC_I (hv, 8, segment_last_section_number); |
| 1038 |
DEC_I (hv, 8, last_table_id); |
| 1039 |
|
| 1040 |
AV *events = newAV (); |
| 1041 |
HVS (hv, events, newRV_noinc ((SV *)events)); |
| 1042 |
|
| 1043 |
while (end - dec_ofs > 32) |
| 1044 |
{ |
| 1045 |
long dll; |
| 1046 |
AV *desc; |
| 1047 |
HV *ev = newHV (); |
| 1048 |
av_push (events, newRV_noinc ((SV *)ev)); |
| 1049 |
|
| 1050 |
DEC_I (ev, 16, event_id); |
| 1051 |
DEC_I (ev, 16, start_time_mjd); |
| 1052 |
DEC_I (ev, 24, start_time_hms); |
| 1053 |
DEC_I (ev, 24, duration); |
| 1054 |
DEC_I (ev, 3, running_status); |
| 1055 |
DEC_I (ev, 1, free_CA_mode); |
| 1056 |
|
| 1057 |
dll = dec_ofs + (decode_field (12) << 3); |
| 1058 |
|
| 1059 |
desc = decode_descriptors (dll); |
| 1060 |
HVS (ev, descriptors, newRV_noinc ((SV *)desc)); |
| 1061 |
} |
| 1062 |
|
| 1063 |
decode_field (32); // skip CRC |
| 1064 |
} |
| 1065 |
|
| 1066 |
break; |
| 1067 |
|
| 1068 |
case SCT_SDT: |
| 1069 |
case SCT_SDT_OTHER: |
| 1070 |
DEC_I (hv, 16, transport_stream_id); |
| 1071 |
decode_field (2); |
| 1072 |
DEC_I (hv, 5, version_number); |
| 1073 |
DEC_I (hv, 1, current_next_indicator); |
| 1074 |
DEC_I (hv, 8, section_number); |
| 1075 |
DEC_I (hv, 8, last_section_number); |
| 1076 |
DEC_I (hv, 16, original_network_id); |
| 1077 |
decode_field (8); |
| 1078 |
|
| 1079 |
AV *services = newAV (); |
| 1080 |
HVS (hv, services, newRV_noinc ((SV *)services)); |
| 1081 |
|
| 1082 |
while (end - dec_ofs > 32) |
| 1083 |
{ |
| 1084 |
HV *ev = newHV (); |
| 1085 |
U32 dll; |
| 1086 |
AV *desc; |
| 1087 |
av_push (services, newRV_noinc ((SV *)ev)); |
| 1088 |
|
| 1089 |
DEC_I (ev, 16, service_id); |
| 1090 |
decode_field (6); |
| 1091 |
DEC_I (ev, 1, EIT_schedule_flags); |
| 1092 |
DEC_I (ev, 1, EIT_present_following_flag); |
| 1093 |
DEC_I (ev, 3, running_status); |
| 1094 |
DEC_I (ev, 1, free_CA_mode); |
| 1095 |
|
| 1096 |
dll = dec_ofs + (decode_field (12) << 3); |
| 1097 |
|
| 1098 |
desc = decode_descriptors (dll); |
| 1099 |
HVS (ev, descriptors, newRV_noinc ((SV *)desc)); |
| 1100 |
} |
| 1101 |
|
| 1102 |
decode_field (32); // skip CRC |
| 1103 |
break; |
| 1104 |
|
| 1105 |
default: |
| 1106 |
DEC_S (hv, length, raw_data); |
| 1107 |
break; |
| 1108 |
} |
| 1109 |
|
| 1110 |
if (decode_overflow) |
| 1111 |
{ |
| 1112 |
SvREFCNT_dec (hv); |
| 1113 |
safe_sv_chop (stream, (end + 7) >> 3); |
| 1114 |
XSRETURN_UNDEF; |
| 1115 |
} |
| 1116 |
|
| 1117 |
safe_sv_chop (stream, (dec_ofs + 7) >> 3); |
| 1118 |
} |
| 1119 |
else |
| 1120 |
{ |
| 1121 |
SvREFCNT_dec (hv); |
| 1122 |
safe_sv_chop (stream, (end + 7) >> 3); |
| 1123 |
XSRETURN_UNDEF; |
| 1124 |
} |
| 1125 |
|
| 1126 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
| 1127 |
OUTPUT: |
| 1128 |
RETVAL |
| 1129 |
|
