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