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 |
|