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,//TODO |
18 |
SCT_NIT_OTHER = 0x41, |
19 |
SCT_SDT = 0x42, |
20 |
SCT_SDT_OTHER = 0x46, |
21 |
SCT_BAT = 0x4a,//TODO |
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_service = 0x48, |
43 |
DT_country_availability = 0x49, |
44 |
DT_linkage = 0x4a, |
45 |
DT_short_event = 0x4d, |
46 |
DT_extended_event = 0x4e, //NYI |
47 |
DT_component = 0x50, |
48 |
DT_content = 0x54, |
49 |
DT_private_data_specifier = 0x5f, |
50 |
DT_short_smoothing_buffer = 0x61, //NYI |
51 |
DT_scrambling_indicator = 0x65, //NYI |
52 |
DT_PDC = 0x69, |
53 |
}; |
54 |
|
55 |
static const struct consts { |
56 |
const char *name; |
57 |
const long value; |
58 |
} consts [] = { |
59 |
CONST (FE_QPSK), |
60 |
CONST (FE_QAM), |
61 |
CONST (FE_OFDM), |
62 |
|
63 |
CONST (FE_IS_STUPID), |
64 |
CONST (FE_CAN_INVERSION_AUTO), |
65 |
CONST (FE_CAN_FEC_1_2), |
66 |
CONST (FE_CAN_FEC_2_3), |
67 |
CONST (FE_CAN_FEC_3_4), |
68 |
CONST (FE_CAN_FEC_4_5), |
69 |
CONST (FE_CAN_FEC_5_6), |
70 |
CONST (FE_CAN_FEC_6_7), |
71 |
CONST (FE_CAN_FEC_7_8), |
72 |
CONST (FE_CAN_FEC_8_9), |
73 |
CONST (FE_CAN_FEC_AUTO), |
74 |
CONST (FE_CAN_QPSK), |
75 |
CONST (FE_CAN_QAM_16), |
76 |
CONST (FE_CAN_QAM_32), |
77 |
CONST (FE_CAN_QAM_64), |
78 |
CONST (FE_CAN_QAM_128), |
79 |
CONST (FE_CAN_QAM_256), |
80 |
CONST (FE_CAN_QAM_AUTO), |
81 |
CONST (FE_CAN_TRANSMISSION_MODE_AUTO), |
82 |
CONST (FE_CAN_BANDWIDTH_AUTO), |
83 |
CONST (FE_CAN_GUARD_INTERVAL_AUTO), |
84 |
CONST (FE_CAN_HIERARCHY_AUTO), |
85 |
CONST (FE_NEEDS_BENDING), |
86 |
CONST (FE_CAN_RECOVER), |
87 |
CONST (FE_CAN_MUTE_TS), |
88 |
|
89 |
CONST (FE_HAS_SIGNAL), |
90 |
CONST (FE_HAS_CARRIER), |
91 |
CONST (FE_HAS_VITERBI), |
92 |
CONST (FE_HAS_SYNC), |
93 |
CONST (FE_HAS_LOCK), |
94 |
CONST (FE_TIMEDOUT), |
95 |
CONST (FE_REINIT), |
96 |
|
97 |
CONST (INVERSION_OFF), |
98 |
CONST (INVERSION_ON), |
99 |
CONST (INVERSION_AUTO), |
100 |
|
101 |
CONST (FEC_NONE), |
102 |
CONST (FEC_1_2), |
103 |
CONST (FEC_2_3), |
104 |
CONST (FEC_3_4), |
105 |
CONST (FEC_4_5), |
106 |
CONST (FEC_5_6), |
107 |
CONST (FEC_6_7), |
108 |
CONST (FEC_7_8), |
109 |
CONST (FEC_8_9), |
110 |
CONST (FEC_AUTO), |
111 |
|
112 |
CONST (QPSK), |
113 |
CONST (QAM_16), |
114 |
CONST (QAM_32), |
115 |
CONST (QAM_64), |
116 |
CONST (QAM_128), |
117 |
CONST (QAM_256), |
118 |
CONST (QAM_AUTO), |
119 |
|
120 |
CONST (TRANSMISSION_MODE_2K), |
121 |
CONST (TRANSMISSION_MODE_8K), |
122 |
CONST (TRANSMISSION_MODE_AUTO), |
123 |
|
124 |
CONST (BANDWIDTH_8_MHZ), |
125 |
CONST (BANDWIDTH_7_MHZ), |
126 |
CONST (BANDWIDTH_6_MHZ), |
127 |
CONST (BANDWIDTH_AUTO), |
128 |
|
129 |
CONST (GUARD_INTERVAL_1_32), |
130 |
CONST (GUARD_INTERVAL_1_16), |
131 |
CONST (GUARD_INTERVAL_1_8), |
132 |
CONST (GUARD_INTERVAL_1_4), |
133 |
CONST (GUARD_INTERVAL_AUTO), |
134 |
|
135 |
CONST (HIERARCHY_NONE), |
136 |
CONST (HIERARCHY_1), |
137 |
CONST (HIERARCHY_2), |
138 |
CONST (HIERARCHY_4), |
139 |
CONST (HIERARCHY_AUTO), |
140 |
|
141 |
CONST (DMX_OUT_DECODER), |
142 |
CONST (DMX_OUT_TAP), |
143 |
CONST (DMX_OUT_TS_TAP), |
144 |
|
145 |
CONST (DMX_IN_FRONTEND), |
146 |
CONST (DMX_IN_DVR), |
147 |
|
148 |
CONST (DMX_PES_AUDIO0), |
149 |
CONST (DMX_PES_VIDEO0), |
150 |
CONST (DMX_PES_TELETEXT0), |
151 |
CONST (DMX_PES_SUBTITLE0), |
152 |
CONST (DMX_PES_PCR0), |
153 |
|
154 |
CONST (DMX_PES_AUDIO1), |
155 |
CONST (DMX_PES_VIDEO1), |
156 |
CONST (DMX_PES_TELETEXT1), |
157 |
CONST (DMX_PES_SUBTITLE1), |
158 |
CONST (DMX_PES_PCR1), |
159 |
|
160 |
CONST (DMX_PES_AUDIO2), |
161 |
CONST (DMX_PES_VIDEO2), |
162 |
CONST (DMX_PES_TELETEXT2), |
163 |
CONST (DMX_PES_SUBTITLE2), |
164 |
CONST (DMX_PES_PCR2), |
165 |
|
166 |
CONST (DMX_PES_AUDIO3), |
167 |
CONST (DMX_PES_VIDEO3), |
168 |
CONST (DMX_PES_TELETEXT3), |
169 |
CONST (DMX_PES_SUBTITLE3), |
170 |
CONST (DMX_PES_PCR3), |
171 |
|
172 |
CONST (DMX_PES_OTHER), |
173 |
|
174 |
CONST (DMX_PES_AUDIO), |
175 |
CONST (DMX_PES_VIDEO), |
176 |
CONST (DMX_PES_TELETEXT), |
177 |
CONST (DMX_PES_SUBTITLE), |
178 |
CONST (DMX_PES_PCR), |
179 |
|
180 |
CONST (DMX_SCRAMBLING_EV), |
181 |
CONST (DMX_FRONTEND_EV), |
182 |
|
183 |
CONST (DMX_CHECK_CRC), |
184 |
CONST (DMX_ONESHOT), |
185 |
CONST (DMX_IMMEDIATE_START), |
186 |
CONST (DMX_KERNEL_CLIENT), |
187 |
|
188 |
CONST (DMX_SOURCE_FRONT0), |
189 |
CONST (DMX_SOURCE_FRONT1), |
190 |
CONST (DMX_SOURCE_FRONT2), |
191 |
CONST (DMX_SOURCE_FRONT3), |
192 |
|
193 |
CONST (DMX_SOURCE_DVR0), |
194 |
CONST (DMX_SOURCE_DVR1), |
195 |
CONST (DMX_SOURCE_DVR2), |
196 |
CONST (DMX_SOURCE_DVR3), |
197 |
|
198 |
CONST (DMX_SCRAMBLING_OFF), |
199 |
CONST (DMX_SCRAMBLING_ON), |
200 |
|
201 |
// constants defined by this file |
202 |
CONST (SCT_PAT), |
203 |
CONST (SCT_CAT), |
204 |
CONST (SCT_PMT), |
205 |
CONST (SCT_TSDT), |
206 |
CONST (SCT_NIT), |
207 |
CONST (SCT_NIT_OTHER), |
208 |
CONST (SCT_SDT), |
209 |
CONST (SCT_SDT_OTHER), |
210 |
CONST (SCT_BAT), |
211 |
CONST (SCT_EIT_PRESENT), |
212 |
CONST (SCT_EIT_PRESENT_OTHER), |
213 |
CONST (SCT_EIT_SCHEDULE0), |
214 |
CONST (SCT_EIT_SCHEDULE15), |
215 |
CONST (SCT_EIT_SCHEDULE_OTHER0), |
216 |
CONST (SCT_EIT_SCHEDULE_OTHER15), |
217 |
CONST (SCT_TDT), |
218 |
CONST (SCT_RST), |
219 |
CONST (SCT_ST), |
220 |
CONST (SCT_TOT), |
221 |
CONST (SCT_RNT), |
222 |
CONST (SCT_CST), |
223 |
CONST (SCT_RCT), |
224 |
CONST (SCT_CIT), |
225 |
CONST (SCT_MPE), |
226 |
CONST (SCT_DIT), |
227 |
CONST (SCT_SIT), |
228 |
|
229 |
CONST (DT_service), |
230 |
CONST (DT_country_availability), |
231 |
CONST (DT_linkage), |
232 |
CONST (DT_short_event), |
233 |
CONST (DT_extended_event), |
234 |
CONST (DT_component), |
235 |
CONST (DT_content), |
236 |
CONST (DT_private_data_specifier), |
237 |
CONST (DT_short_smoothing_buffer), |
238 |
CONST (DT_scrambling_indicator), |
239 |
CONST (DT_PDC), |
240 |
}; |
241 |
|
242 |
#define HVS_S(hv,struct,member) hv_store (hv, #member, sizeof (#member) - 1, newSVpv (struct.member, 0), 0) |
243 |
#define HVS_I(hv,struct,member) hv_store (hv, #member, sizeof (#member) - 1, newSViv (struct.member), 0) |
244 |
#define HVS(hv,name,sv) hv_store (hv, #name, sizeof (#name) - 1, (sv), 0) |
245 |
|
246 |
static void |
247 |
set_parameters (HV *hv, struct dvb_frontend_parameters *p, fe_type_t type) |
248 |
{ |
249 |
HVS_I (hv, (*p), frequency); |
250 |
HVS_I (hv, (*p), inversion); |
251 |
|
252 |
switch (type) |
253 |
{ |
254 |
case FE_QPSK: |
255 |
HVS_I (hv, (*p).u.qpsk, symbol_rate); |
256 |
HVS_I (hv, (*p).u.qpsk, fec_inner); |
257 |
break; |
258 |
|
259 |
case FE_QAM: |
260 |
HVS_I (hv, (*p).u.qam, symbol_rate); |
261 |
HVS_I (hv, (*p).u.qam, fec_inner); |
262 |
HVS_I (hv, (*p).u.qam, modulation); |
263 |
break; |
264 |
|
265 |
case FE_OFDM: |
266 |
HVS_I (hv, (*p).u.ofdm, bandwidth); |
267 |
HVS_I (hv, (*p).u.ofdm, code_rate_HP); |
268 |
HVS_I (hv, (*p).u.ofdm, code_rate_LP); |
269 |
HVS_I (hv, (*p).u.ofdm, constellation); |
270 |
HVS_I (hv, (*p).u.ofdm, transmission_mode); |
271 |
break; |
272 |
} |
273 |
} |
274 |
|
275 |
typedef unsigned char u8; |
276 |
|
277 |
static SV *dec_sv; |
278 |
static u8 *dec_data; |
279 |
static long dec_ofs, dec_len8; |
280 |
static U32 dec_field; |
281 |
STRLEN dec_len; |
282 |
|
283 |
#define decode_overflow (dec_ofs > dec_len8) |
284 |
|
285 |
static void |
286 |
decode_set (SV *data) |
287 |
{ |
288 |
if (dec_sv) |
289 |
SvREFCNT_dec (dec_sv); |
290 |
|
291 |
dec_sv = newSVsv (data); |
292 |
dec_data = SvPVbyte (dec_sv, dec_len); |
293 |
dec_ofs = 0; |
294 |
dec_len8 = dec_len << 3; |
295 |
} |
296 |
|
297 |
static U32 |
298 |
decode_field (int bits) |
299 |
{ |
300 |
u8 *p = dec_data + (dec_ofs >> 3); |
301 |
int frac = 8 - (dec_ofs & 7); |
302 |
dec_ofs += bits; |
303 |
|
304 |
if (decode_overflow) |
305 |
return dec_field = 0; |
306 |
|
307 |
U32 r = *p++; |
308 |
|
309 |
r &= (1UL << frac) - 1; |
310 |
|
311 |
if (bits < frac) |
312 |
r >>= (frac - bits); |
313 |
else |
314 |
{ |
315 |
bits -= frac; |
316 |
|
317 |
while (bits >= 8) |
318 |
{ |
319 |
r = (r << 8) | *p++; |
320 |
bits -= 8; |
321 |
} |
322 |
|
323 |
if (bits > 0) |
324 |
r = (r << bits) | (*p >> (8 - bits)); |
325 |
} |
326 |
|
327 |
return dec_field = r; |
328 |
} |
329 |
|
330 |
static SV * |
331 |
text2sv (u8 *data, U32 len) |
332 |
{ |
333 |
dSP; |
334 |
SV *sv = newSVpvn (data, len); |
335 |
|
336 |
PUSHMARK (SP); |
337 |
XPUSHs (sv); |
338 |
PUTBACK; |
339 |
call_pv ("Linux::DVB::Decode::text", G_VOID); |
340 |
|
341 |
return sv; |
342 |
} |
343 |
|
344 |
#define DEC_I(hv, bits, name) HVS (hv, name, newSViv (decode_field (bits))) |
345 |
#define DEC_T(hv, bytes, name) HVS (hv, name, text2sv (dec_data + (dec_ofs >> 3), (bytes))), dec_ofs += (bytes) << 3 |
346 |
#define DEC_S(hv, bytes, name) HVS (hv, name, newSVpvn (dec_data + (dec_ofs >> 3), (bytes))), dec_ofs += (bytes) << 3 |
347 |
|
348 |
static AV * |
349 |
decode_descriptors (long end) |
350 |
{ |
351 |
AV *av = newAV (); |
352 |
|
353 |
while (dec_ofs < end) |
354 |
{ |
355 |
HV *hv = newHV (); |
356 |
U8 type, len, len2; |
357 |
AV *av2; |
358 |
long end, end2; |
359 |
|
360 |
av_push (av, newRV_noinc ((SV *)hv)); |
361 |
|
362 |
DEC_I (hv, 8, type); |
363 |
type = dec_field; |
364 |
len = decode_field (8); |
365 |
end = dec_ofs + (len << 3); |
366 |
|
367 |
if (end > dec_len8) |
368 |
return av; |
369 |
|
370 |
switch (type) |
371 |
{ |
372 |
case DT_service: |
373 |
DEC_I (hv, 8, service_type); |
374 |
len2 = decode_field (8); DEC_T (hv, len2, service_provider_name); |
375 |
len2 = decode_field (8); DEC_T (hv, len2, service_name); |
376 |
break; |
377 |
|
378 |
case DT_country_availability: |
379 |
DEC_I (hv, 1, country_availability_flag); |
380 |
decode_field (7); |
381 |
|
382 |
DEC_S (hv, (end - dec_ofs) >> 3, private_data); |
383 |
//while (dec_ofs + 24 <= end) |
384 |
// av_push (av, |
385 |
break; |
386 |
|
387 |
case DT_linkage: |
388 |
DEC_I (hv, 16, transport_stream_id); |
389 |
DEC_I (hv, 16, original_network_id); |
390 |
DEC_I (hv, 16, service_id); |
391 |
DEC_I (hv, 8, linkage_type); |
392 |
|
393 |
if (dec_field == 8) |
394 |
{ |
395 |
U32 hot, org; |
396 |
|
397 |
DEC_I (hv, 8, hand_over_type); hot = dec_field; |
398 |
decode_field (3); |
399 |
DEC_I (hv, 1, origin_type); org = dec_field; |
400 |
|
401 |
if (hot > 0x00 && hot < 0x04) |
402 |
DEC_I (hv, 16, network_id); |
403 |
|
404 |
if (org == 0) |
405 |
DEC_I (hv, 16, initial_service_id); |
406 |
} |
407 |
|
408 |
DEC_S (hv, (end - dec_ofs) >> 3, private_data); |
409 |
break; |
410 |
|
411 |
case DT_PDC: |
412 |
decode_field (4); |
413 |
DEC_I (hv, 20, programme_identification_label); |
414 |
break; |
415 |
|
416 |
case DT_component: |
417 |
decode_field (4); |
418 |
DEC_I (hv, 4, stream_content); |
419 |
DEC_I (hv, 8, component_type); |
420 |
DEC_I (hv, 8, component_tag); |
421 |
DEC_S (hv, 3, ISO_639_language_code); |
422 |
DEC_T (hv, (end - dec_ofs) >> 3, text); |
423 |
break; |
424 |
|
425 |
case DT_short_event: |
426 |
DEC_S (hv, 3, ISO_639_language_code); |
427 |
len2 = decode_field (8); DEC_T (hv, len2, event_name); |
428 |
len2 = decode_field (8); DEC_T (hv, len2, text); |
429 |
break; |
430 |
|
431 |
case DT_extended_event: |
432 |
DEC_I (hv, 4, descriptor_number); |
433 |
DEC_I (hv, 4, last_descriptor_number); |
434 |
DEC_S (hv, 3, ISO_639_language_code); |
435 |
|
436 |
len2 = decode_field (8); end2 = dec_ofs + (len2 << 3); |
437 |
av2 = newAV (); |
438 |
HVS (hv, items, newRV_noinc ((SV *)av2)); |
439 |
|
440 |
while (dec_ofs < end2) |
441 |
{ |
442 |
AV *av3 = newAV (); |
443 |
len2 = decode_field (8); av_push (av3, text2sv (dec_data + (dec_ofs >> 3), len2)), dec_ofs += len << 3; |
444 |
len2 = decode_field (8); av_push (av3, text2sv (dec_data + (dec_ofs >> 3), len2)), dec_ofs += len << 3; |
445 |
|
446 |
av_push (av2, newRV_noinc ((SV *)av3)); |
447 |
} |
448 |
|
449 |
len2 = decode_field (8); DEC_T (hv, len2, text); |
450 |
break; |
451 |
|
452 |
case DT_content: |
453 |
DEC_S (hv, len, content); |
454 |
break; |
455 |
|
456 |
case DT_private_data_specifier: |
457 |
DEC_I (hv, 32, private_data_specifier); |
458 |
break; |
459 |
|
460 |
default: |
461 |
fprintf (stderr, "UNKXXX %x\n", type);//D |
462 |
case 0: |
463 |
case 0x80: |
464 |
case 0x81: |
465 |
case 0x82: |
466 |
case 0x83: |
467 |
case 0x84: |
468 |
case 0x85: |
469 |
case 0x8d: |
470 |
case 0x8e: |
471 |
case 0xb2: |
472 |
DEC_S (hv, len, raw_data); |
473 |
break; |
474 |
} |
475 |
|
476 |
dec_ofs = end; // re-sync, in case of problems |
477 |
} |
478 |
|
479 |
return av; |
480 |
} |
481 |
|
482 |
MODULE = Linux::DVB PACKAGE = Linux::DVB |
483 |
|
484 |
PROTOTYPES: DISABLE |
485 |
|
486 |
void |
487 |
_consts () |
488 |
PPCODE: |
489 |
const struct consts *c; |
490 |
for (c = consts; |
491 |
c < consts + sizeof (consts) / sizeof (consts[0]); |
492 |
c++) |
493 |
{ |
494 |
XPUSHs (sv_2mortal (newSVpv (c->name, 0))); |
495 |
XPUSHs (sv_2mortal (newSViv (c->value))); |
496 |
} |
497 |
|
498 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Frontend |
499 |
|
500 |
SV * |
501 |
_frontend_info (int fd) |
502 |
CODE: |
503 |
struct dvb_frontend_info fi; |
504 |
HV *hv; |
505 |
|
506 |
if (ioctl (fd, FE_GET_INFO, &fi) < 0) |
507 |
XSRETURN_UNDEF; |
508 |
|
509 |
hv = newHV (); |
510 |
HVS_S (hv, fi, name); |
511 |
HVS_I (hv, fi, type); |
512 |
HVS_I (hv, fi, type); |
513 |
HVS_I (hv, fi, frequency_min); |
514 |
HVS_I (hv, fi, frequency_max); |
515 |
HVS_I (hv, fi, frequency_stepsize); |
516 |
HVS_I (hv, fi, frequency_tolerance); |
517 |
HVS_I (hv, fi, symbol_rate_min); |
518 |
HVS_I (hv, fi, symbol_rate_max); |
519 |
HVS_I (hv, fi, symbol_rate_tolerance); |
520 |
HVS_I (hv, fi, notifier_delay); |
521 |
HVS_I (hv, fi, caps); |
522 |
|
523 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
524 |
OUTPUT: |
525 |
RETVAL |
526 |
|
527 |
long |
528 |
_read_status (int fd) |
529 |
CODE: |
530 |
fe_status_t st; |
531 |
|
532 |
if (ioctl (fd, FE_READ_STATUS, &st) < 0) |
533 |
XSRETURN_UNDEF; |
534 |
|
535 |
RETVAL = st; |
536 |
OUTPUT: |
537 |
RETVAL |
538 |
|
539 |
U32 |
540 |
_read_ber (int fd) |
541 |
CODE: |
542 |
uint32_t ber; |
543 |
if (ioctl (fd, FE_READ_BER, &ber) < 0) |
544 |
XSRETURN_UNDEF; |
545 |
|
546 |
RETVAL = ber; |
547 |
OUTPUT: |
548 |
RETVAL |
549 |
|
550 |
U32 |
551 |
_read_snr (int fd) |
552 |
CODE: |
553 |
uint32_t ber; |
554 |
if (ioctl (fd, FE_READ_SNR, &ber) < 0) |
555 |
XSRETURN_UNDEF; |
556 |
|
557 |
RETVAL = ber; |
558 |
OUTPUT: |
559 |
RETVAL |
560 |
|
561 |
|
562 |
I16 |
563 |
_signal_strength (int fd) |
564 |
CODE: |
565 |
int16_t st; |
566 |
if (ioctl (fd, FE_READ_SIGNAL_STRENGTH, &st) < 0) |
567 |
XSRETURN_UNDEF; |
568 |
|
569 |
RETVAL = st; |
570 |
OUTPUT: |
571 |
RETVAL |
572 |
|
573 |
|
574 |
U32 |
575 |
_uncorrected_blocks (int fd) |
576 |
CODE: |
577 |
uint32_t ubl; |
578 |
if (ioctl (fd, FE_READ_UNCORRECTED_BLOCKS, &ubl) < 0) |
579 |
XSRETURN_UNDEF; |
580 |
|
581 |
RETVAL = ubl; |
582 |
OUTPUT: |
583 |
RETVAL |
584 |
|
585 |
SV * |
586 |
_get (int fd, int type) |
587 |
CODE: |
588 |
struct dvb_frontend_parameters p; |
589 |
HV *hv; |
590 |
|
591 |
if (ioctl (fd, FE_GET_FRONTEND, &p) < 0) |
592 |
XSRETURN_UNDEF; |
593 |
|
594 |
hv = newHV (); |
595 |
set_parameters (hv, &p, type); |
596 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
597 |
OUTPUT: |
598 |
RETVAL |
599 |
|
600 |
SV * |
601 |
_event (int fd, int type) |
602 |
CODE: |
603 |
struct dvb_frontend_event e; |
604 |
HV *hv; |
605 |
|
606 |
if (ioctl (fd, FE_GET_EVENT, &e) < 0) |
607 |
XSRETURN_UNDEF; |
608 |
|
609 |
hv = newHV (); |
610 |
HVS_I (hv, e, status); |
611 |
set_parameters (hv, &e.parameters, type); |
612 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
613 |
OUTPUT: |
614 |
RETVAL |
615 |
|
616 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Demux |
617 |
|
618 |
int |
619 |
_start (int fd) |
620 |
ALIAS: |
621 |
_stop = 1 |
622 |
CODE: |
623 |
if (ioctl (fd, ix ? DMX_STOP : DMX_START, 0) < 0) |
624 |
XSRETURN_UNDEF; |
625 |
|
626 |
RETVAL = 1; |
627 |
OUTPUT: |
628 |
RETVAL |
629 |
|
630 |
int |
631 |
_filter (int fd, U16 pid, SV *filter, SV *mask, U32 timeout = 0, U32 flags = DMX_CHECK_CRC) |
632 |
CODE: |
633 |
struct dmx_sct_filter_params p; |
634 |
STRLEN l; |
635 |
char *s; |
636 |
|
637 |
memset (&p.filter, 0, sizeof (p.filter)); |
638 |
|
639 |
p.pid = pid; |
640 |
s = SvPVbyte (filter, l); if (l > DMX_FILTER_SIZE) l = DMX_FILTER_SIZE; memcpy (p.filter.filter, s, l); |
641 |
s = SvPVbyte (mask , l); if (l > DMX_FILTER_SIZE) l = DMX_FILTER_SIZE; memcpy (p.filter.mask , s, l); |
642 |
p.timeout = timeout; |
643 |
p.flags = flags; |
644 |
if (ioctl (fd, DMX_SET_FILTER, &p) < 0) |
645 |
XSRETURN_UNDEF; |
646 |
|
647 |
RETVAL = 1; |
648 |
OUTPUT: |
649 |
RETVAL |
650 |
|
651 |
int |
652 |
_pes_filter (int fd, U16 pid, long input, long output, long type, U32 flags = 0) |
653 |
CODE: |
654 |
struct dmx_pes_filter_params p; |
655 |
|
656 |
p.pid = pid; |
657 |
p.input = input; |
658 |
p.output = output; |
659 |
p.pes_type = type; |
660 |
p.flags = flags; |
661 |
if (ioctl (fd, DMX_SET_PES_FILTER, &p) < 0) |
662 |
XSRETURN_UNDEF; |
663 |
|
664 |
RETVAL = 1; |
665 |
OUTPUT: |
666 |
RETVAL |
667 |
|
668 |
int |
669 |
_buffer (int fd, unsigned long size) |
670 |
CODE: |
671 |
|
672 |
if (ioctl (fd, DMX_SET_BUFFER_SIZE, size) < 0) |
673 |
XSRETURN_UNDEF; |
674 |
|
675 |
RETVAL = 1; |
676 |
OUTPUT: |
677 |
RETVAL |
678 |
|
679 |
MODULE = Linux::DVB PACKAGE = Linux::DVB::Decode PREFIX = decode_ |
680 |
|
681 |
void |
682 |
set (SV *data) |
683 |
CODE: |
684 |
|
685 |
int |
686 |
len () |
687 |
CODE: |
688 |
RETVAL = (dec_ofs + 7) >> 3; |
689 |
OUTPUT: |
690 |
RETVAL |
691 |
|
692 |
U32 |
693 |
field (int bits) |
694 |
|
695 |
SV * |
696 |
si (SV *stream) |
697 |
CODE: |
698 |
HV *hv = newHV (); |
699 |
|
700 |
U8 table_id; |
701 |
U16 length; |
702 |
long end; |
703 |
|
704 |
decode_set (stream); |
705 |
|
706 |
do { |
707 |
DEC_I (hv, 8, table_id); |
708 |
table_id = dec_field; |
709 |
} while (table_id == 0xff); |
710 |
|
711 |
DEC_I (hv, 1, section_syntax_indicator); |
712 |
decode_field (1); |
713 |
decode_field (2); |
714 |
|
715 |
length = decode_field (12); |
716 |
end = dec_ofs + (length << 3); |
717 |
|
718 |
switch (table_id) |
719 |
{ |
720 |
case SCT_EIT_PRESENT: |
721 |
case SCT_EIT_PRESENT_OTHER: |
722 |
case SCT_EIT_SCHEDULE0...SCT_EIT_SCHEDULE15: //GCC |
723 |
case SCT_EIT_SCHEDULE_OTHER0...SCT_EIT_SCHEDULE_OTHER15: //GCC |
724 |
DEC_I (hv, 16, service_id); |
725 |
decode_field (2); |
726 |
DEC_I (hv, 5, version_number); |
727 |
DEC_I (hv, 1, current_next_indicator); |
728 |
DEC_I (hv, 8, section_number); |
729 |
DEC_I (hv, 8, last_section_number); |
730 |
DEC_I (hv, 16, transport_stream_id); |
731 |
DEC_I (hv, 16, original_network_id); |
732 |
DEC_I (hv, 8, segment_last_section_number); |
733 |
DEC_I (hv, 8, last_table_id); |
734 |
|
735 |
AV *events = newAV (); |
736 |
HVS (hv, events, newRV_noinc ((SV *)events)); |
737 |
|
738 |
while (end - dec_ofs > 32) |
739 |
{ |
740 |
long dll; |
741 |
AV *desc; |
742 |
HV *ev = newHV (); |
743 |
av_push (events, newRV_noinc ((SV *)ev)); |
744 |
|
745 |
DEC_I (ev, 16, event_id); |
746 |
DEC_I (ev, 16, start_time_mjd); |
747 |
DEC_I (ev, 24, start_time_hms); |
748 |
DEC_I (ev, 24, duration); |
749 |
DEC_I (ev, 3, running_status); |
750 |
DEC_I (ev, 1, free_CA_mode); |
751 |
|
752 |
dll = dec_ofs + (decode_field (12) << 3); |
753 |
|
754 |
desc = decode_descriptors (dll); |
755 |
HVS (ev, descriptors, newRV_noinc ((SV *)desc)); |
756 |
} |
757 |
|
758 |
decode_field (32); // skip CRC |
759 |
|
760 |
break; |
761 |
|
762 |
case SCT_SDT: |
763 |
case SCT_SDT_OTHER: |
764 |
DEC_I (hv, 16, transport_stream_id); |
765 |
decode_field (2); |
766 |
DEC_I (hv, 5, version_number); |
767 |
DEC_I (hv, 1, current_next_indicator); |
768 |
DEC_I (hv, 8, section_number); |
769 |
DEC_I (hv, 8, last_section_number); |
770 |
DEC_I (hv, 16, original_network_id); |
771 |
decode_field (8); |
772 |
|
773 |
AV *services = newAV (); |
774 |
HVS (hv, services, newRV_noinc ((SV *)services)); |
775 |
|
776 |
while (end - dec_ofs > 32) |
777 |
{ |
778 |
HV *ev = newHV (); |
779 |
U32 dll; |
780 |
AV *desc; |
781 |
av_push (services, newRV_noinc ((SV *)ev)); |
782 |
|
783 |
DEC_I (ev, 16, service_id); |
784 |
decode_field (6); |
785 |
DEC_I (ev, 1, EIT_schedule_flags); |
786 |
DEC_I (ev, 1, EIT_present_following_flag); |
787 |
DEC_I (ev, 3, running_status); |
788 |
DEC_I (ev, 1, free_CA_mode); |
789 |
|
790 |
dll = dec_ofs + (decode_field (12) << 3); |
791 |
|
792 |
desc = decode_descriptors (dll); |
793 |
HVS (ev, descriptors, newRV_noinc ((SV *)desc)); |
794 |
} |
795 |
|
796 |
decode_field (32); // skip CRC |
797 |
break; |
798 |
|
799 |
default: |
800 |
DEC_S (hv, length, raw_data); |
801 |
break; |
802 |
} |
803 |
|
804 |
if (decode_overflow) |
805 |
{ |
806 |
SvREFCNT_dec (hv); |
807 |
XSRETURN_UNDEF; |
808 |
} |
809 |
|
810 |
sv_chop (stream, SvPVX (stream) + ((dec_ofs + 7) >> 3)); |
811 |
|
812 |
RETVAL = (SV *)newRV_noinc ((SV *)hv); |
813 |
OUTPUT: |
814 |
RETVAL |
815 |
|