-
Notifications
You must be signed in to change notification settings - Fork 341
/
hdhrstreamhandler.cpp
489 lines (406 loc) · 12.8 KB
/
hdhrstreamhandler.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
// -*- Mode: c++ -*-
// POSIX headers
#include <fcntl.h>
#include <unistd.h>
#ifndef USING_MINGW
#include <sys/select.h>
#include <sys/ioctl.h>
#endif
// MythTV headers
#include "hdhrstreamhandler.h"
#include "hdhrchannel.h"
#include "dtvsignalmonitor.h"
#include "streamlisteners.h"
#include "mpegstreamdata.h"
#include "cardutil.h"
#include "mythlogging.h"
#define LOC QString("HDHRSH(%1): ").arg(_device)
QMap<QString,HDHRStreamHandler*> HDHRStreamHandler::_handlers;
QMap<QString,uint> HDHRStreamHandler::_handlers_refcnt;
QMutex HDHRStreamHandler::_handlers_lock;
HDHRStreamHandler *HDHRStreamHandler::Get(const QString &devname)
{
QMutexLocker locker(&_handlers_lock);
QString devkey = devname.toUpper();
QMap<QString,HDHRStreamHandler*>::iterator it = _handlers.find(devkey);
if (it == _handlers.end())
{
HDHRStreamHandler *newhandler = new HDHRStreamHandler(devkey);
newhandler->Open();
_handlers[devkey] = newhandler;
_handlers_refcnt[devkey] = 1;
LOG(VB_RECORD, LOG_INFO,
QString("HDHRSH: Creating new stream handler %1 for %2")
.arg(devkey).arg(devname));
}
else
{
_handlers_refcnt[devkey]++;
uint rcount = _handlers_refcnt[devkey];
LOG(VB_RECORD, LOG_INFO,
QString("HDHRSH: Using existing stream handler %1 for %2")
.arg(devkey)
.arg(devname) + QString(" (%1 in use)").arg(rcount));
}
return _handlers[devkey];
}
void HDHRStreamHandler::Return(HDHRStreamHandler * & ref)
{
QMutexLocker locker(&_handlers_lock);
QString devname = ref->_device;
QMap<QString,uint>::iterator rit = _handlers_refcnt.find(devname);
if (rit == _handlers_refcnt.end())
return;
if (*rit > 1)
{
ref = NULL;
(*rit)--;
return;
}
QMap<QString,HDHRStreamHandler*>::iterator it = _handlers.find(devname);
if ((it != _handlers.end()) && (*it == ref))
{
LOG(VB_RECORD, LOG_INFO, QString("HDHRSH: Closing handler for %1")
.arg(devname));
ref->Close();
delete *it;
_handlers.erase(it);
}
else
{
LOG(VB_GENERAL, LOG_ERR,
QString("HDHRSH Error: Couldn't find handler for %1")
.arg(devname));
}
_handlers_refcnt.erase(rit);
ref = NULL;
}
HDHRStreamHandler::HDHRStreamHandler(const QString &device) :
StreamHandler(device),
_hdhomerun_device(NULL),
_tuner(-1),
_hdhr_lock(QMutex::Recursive)
{
setObjectName("HDHRStreamHandler");
}
/** \fn HDHRStreamHandler::run(void)
* \brief Reads HDHomeRun socket for tables & data
*/
void HDHRStreamHandler::run(void)
{
RunProlog();
/* Create TS socket. */
if (!hdhomerun_device_stream_start(_hdhomerun_device))
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"Starting recording (set target failed). Aborting.");
_error = true;
RunEpilog();
return;
}
hdhomerun_device_stream_flush(_hdhomerun_device);
SetRunning(true, false, false);
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): begin");
int remainder = 0;
QTime last_update;
while (_running_desired && !_error)
{
int elapsed = !last_update.isValid() ? -1 : last_update.elapsed();
elapsed = (elapsed < 0) ? 1000 : elapsed;
if (elapsed > 100)
{
UpdateFiltersFromStreamData();
if (_tune_mode != hdhrTuneModeVChannel)
UpdateFilters();
last_update.restart();
}
size_t read_size = 64 * 1024; // read about 64KB
read_size /= VIDEO_DATA_PACKET_SIZE;
read_size *= VIDEO_DATA_PACKET_SIZE;
size_t data_length;
unsigned char *data_buffer = hdhomerun_device_stream_recv(
_hdhomerun_device, read_size, &data_length);
if (!data_buffer)
{
usleep(20000);
continue;
}
// Assume data_length is a multiple of 188 (packet size)
_listener_lock.lock();
if (_stream_data_list.empty())
{
_listener_lock.unlock();
continue;
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData(data_buffer, data_length);
_listener_lock.unlock();
if (remainder != 0)
{
LOG(VB_RECORD, LOG_INFO, LOC +
QString("RunTS(): data_length = %1 remainder = %2")
.arg(data_length).arg(remainder));
}
}
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "shutdown");
RemoveAllPIDFilters();
hdhomerun_device_stream_stop(_hdhomerun_device);
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "end");
SetRunning(false, false, false);
RunEpilog();
}
static QString filt_str(uint pid)
{
uint pid0 = (pid / (16*16*16)) % 16;
uint pid1 = (pid / (16*16)) % 16;
uint pid2 = (pid / (16)) % 16;
uint pid3 = pid % 16;
return QString("0x%1%2%3%4")
.arg(pid0,0,16).arg(pid1,0,16)
.arg(pid2,0,16).arg(pid3,0,16);
}
bool HDHRStreamHandler::UpdateFilters(void)
{
if (_tune_mode == hdhrTuneModeFrequency)
_tune_mode = hdhrTuneModeFrequencyPid;
if (_tune_mode != hdhrTuneModeFrequencyPid)
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"UpdateFilters called in wrong tune mode");
return false;
}
#ifdef DEBUG_PID_FILTERS
LOG(VB_RECORD, LOG_INFO, LOC + "UpdateFilters()");
#endif // DEBUG_PID_FILTERS
QMutexLocker locker(&_pid_lock);
QString filter = "";
vector<uint> range_min;
vector<uint> range_max;
PIDInfoMap::const_iterator it = _pid_info.begin();
for (; it != _pid_info.end(); ++it)
{
range_min.push_back(it.key());
PIDInfoMap::const_iterator eit = it;
for (++eit;
(eit != _pid_info.end()) && (it.key() + 1 == eit.key());
++it, ++eit);
range_max.push_back(it.key());
}
if (range_min.size() > 16)
{
range_min.resize(16);
uint pid_max = range_max.back();
range_max.resize(15);
range_max.push_back(pid_max);
}
for (uint i = 0; i < range_min.size(); i++)
{
filter += filt_str(range_min[i]);
if (range_min[i] != range_max[i])
filter += QString("-%1").arg(filt_str(range_max[i]));
filter += " ";
}
filter = filter.trimmed();
QString new_filter = TunerSet("filter", filter);
#ifdef DEBUG_PID_FILTERS
QString msg = QString("Filter: '%1'").arg(filter);
if (filter != new_filter)
msg += QString("\n\t\t\t\t'%2'").arg(new_filter);
LOG(VB_RECORD, LOG_INFO, LOC + msg);
#endif // DEBUG_PID_FILTERS
return filter == new_filter;
}
bool HDHRStreamHandler::Open(void)
{
if (Connect())
{
const char *model = hdhomerun_device_get_model_str(_hdhomerun_device);
_tuner_types.clear();
if (QString(model).toLower().contains("cablecard"))
{
QString status_channel = "none";
hdhomerun_tuner_status_t t_status;
if (hdhomerun_device_get_oob_status(
_hdhomerun_device, NULL, &t_status) < 0)
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"Failed to query Cable card OOB channel");
}
else
{
status_channel = QString(t_status.channel);
LOG(VB_RECORD, LOG_INFO, LOC +
QString("Cable card OOB channel is '%1'")
.arg(status_channel));
}
if (status_channel == "none")
{
LOG(VB_RECORD, LOG_INFO, LOC + "Cable card is not present");
_tuner_types.push_back(DTVTunerType::kTunerTypeATSC);
}
else
{
LOG(VB_RECORD, LOG_INFO, LOC + "Cable card is present");
_tuner_types.push_back(DTVTunerType::kTunerTypeOCUR);
}
}
else if (QString(model).toLower().contains("dvb"))
{
_tuner_types.push_back(DTVTunerType::kTunerTypeDVBT);
_tuner_types.push_back(DTVTunerType::kTunerTypeDVBC);
}
else
{
_tuner_types.push_back(DTVTunerType::kTunerTypeATSC);
}
return true;
}
return false;
}
void HDHRStreamHandler::Close(void)
{
if (_hdhomerun_device)
{
TuneChannel("none");
hdhomerun_device_destroy(_hdhomerun_device);
_hdhomerun_device = NULL;
}
}
bool HDHRStreamHandler::Connect(void)
{
_hdhomerun_device = hdhomerun_device_create_from_str(
_device.toLocal8Bit().constData(), NULL);
if (!_hdhomerun_device)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Unable to create hdhomerun object");
return false;
}
_tuner = hdhomerun_device_get_tuner(_hdhomerun_device);
if (hdhomerun_device_get_local_machine_addr(_hdhomerun_device) == 0)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Unable to connect to device");
return false;
}
LOG(VB_RECORD, LOG_INFO, LOC + "Successfully connected to device");
return true;
}
bool HDHRStreamHandler::EnterPowerSavingMode(void)
{
QMutexLocker locker(&_listener_lock);
if (!_stream_data_list.empty())
{
LOG(VB_RECORD, LOG_INFO, LOC +
"Ignoring request - video streaming active");
return false;
}
else
{
locker.unlock(); // _listener_lock
return TuneChannel("none");
}
}
QString HDHRStreamHandler::TunerGet(
const QString &name, bool report_error_return, bool print_error) const
{
QMutexLocker locker(&_hdhr_lock);
if (!_hdhomerun_device)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Get request failed (not connected)");
return QString::null;
}
QString valname = QString("/tuner%1/%2").arg(_tuner).arg(name);
char *value = NULL;
char *error = NULL;
if (hdhomerun_device_get_var(
_hdhomerun_device, valname.toLocal8Bit().constData(),
&value, &error) < 0)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Get request failed" + ENO);
return QString::null;
}
if (report_error_return && error)
{
if (print_error)
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("DeviceGet(%1): %2")
.arg(name).arg(error));
}
return QString::null;
}
return QString(value);
}
QString HDHRStreamHandler::TunerSet(
const QString &name, const QString &val,
bool report_error_return, bool print_error)
{
QMutexLocker locker(&_hdhr_lock);
if (!_hdhomerun_device)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Set request failed (not connected)");
return QString::null;
}
QString valname = QString("/tuner%1/%2").arg(_tuner).arg(name);
char *value = NULL;
char *error = NULL;
if (hdhomerun_device_set_var(
_hdhomerun_device, valname.toLocal8Bit().constData(),
val.toLocal8Bit().constData(), &value, &error) < 0)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Set request failed" + ENO);
return QString::null;
}
if (report_error_return && error)
{
if (print_error)
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("DeviceSet(%1 %2): %3")
.arg(name).arg(val).arg(error));
}
return QString::null;
}
return QString(value);
}
void HDHRStreamHandler::GetTunerStatus(struct hdhomerun_tuner_status_t *status)
{
hdhomerun_device_get_tuner_status(_hdhomerun_device, NULL, status);
}
bool HDHRStreamHandler::IsConnected(void) const
{
return (_hdhomerun_device != NULL);
}
bool HDHRStreamHandler::TuneChannel(const QString &chn)
{
_tune_mode = hdhrTuneModeFrequency;
QString current = TunerGet("channel");
if (current == chn)
{
LOG(VB_RECORD, LOG_INFO, LOC + QString("Not Re-Tuning channel %1")
.arg(chn));
return true;
}
LOG(VB_RECORD, LOG_INFO, LOC + QString("Tuning channel %1 (was %2)")
.arg(chn).arg(current));
return !TunerSet("channel", chn).isEmpty();
}
bool HDHRStreamHandler::TuneProgram(uint mpeg_prog_num)
{
if (_tune_mode == hdhrTuneModeFrequency)
_tune_mode = hdhrTuneModeFrequencyProgram;
if (_tune_mode != hdhrTuneModeFrequencyProgram)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "TuneProgram called in wrong tune mode");
return false;
}
LOG(VB_RECORD, LOG_INFO, LOC + QString("Tuning program %1")
.arg(mpeg_prog_num));
return !TunerSet(
"program", QString::number(mpeg_prog_num), false).isEmpty();
}
bool HDHRStreamHandler::TuneVChannel(const QString &vchn)
{
_tune_mode = hdhrTuneModeVChannel;
LOG(VB_RECORD, LOG_INFO, LOC + QString("Tuning vchannel %1").arg(vchn));
return !TunerSet(
"vchannel", vchn).isEmpty();
}