3 * Copyright (C) 2007 Alessandro Decina
4 * Copyright (C) 2014 Samsung Electronics. All rights reserved.
7 * Alessandro Decina <alessandro.d@gmail.com>
8 * Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com>
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Library General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Library General Public License for more details.
20 * You should have received a copy of the GNU Library General Public
21 * License along with this library; if not, write to the
22 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
23 * Boston, MA 02110-1301, USA.
32 #include <gst/mpegts/mpegts.h>
33 #include "gstdvbelements.h"
34 #include "dvbbasebin.h"
35 #include "parsechannels.h"
37 GST_DEBUG_CATEGORY (dvb_base_bin_debug);
38 #define GST_CAT_DEFAULT dvb_base_bin_debug
40 static GstStaticPadTemplate src_template =
41 GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC,
43 GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
46 static GstStaticPadTemplate program_template =
47 GST_STATIC_PAD_TEMPLATE ("program_%u", GST_PAD_SRC,
49 GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
80 PROP_STATS_REPORTING_INTERVAL,
87 PROP_ISDBT_LAYER_ENABLED,
88 PROP_ISDBT_PARTIAL_RECEPTION,
89 PROP_ISDBT_SOUND_BROADCASTING,
90 PROP_ISDBT_SB_SUBCHANNEL_ID,
91 PROP_ISDBT_SB_SEGMENT_IDX,
92 PROP_ISDBT_SB_SEGMENT_COUNT,
93 PROP_ISDBT_LAYERA_FEC,
94 PROP_ISDBT_LAYERA_MODULATION,
95 PROP_ISDBT_LAYERA_SEGMENT_COUNT,
96 PROP_ISDBT_LAYERA_TIME_INTERLEAVING,
97 PROP_ISDBT_LAYERB_FEC,
98 PROP_ISDBT_LAYERB_MODULATION,
99 PROP_ISDBT_LAYERB_SEGMENT_COUNT,
100 PROP_ISDBT_LAYERB_TIME_INTERLEAVING,
101 PROP_ISDBT_LAYERC_FEC,
102 PROP_ISDBT_LAYERC_MODULATION,
103 PROP_ISDBT_LAYERC_SEGMENT_COUNT,
104 PROP_ISDBT_LAYERC_TIME_INTERLEAVING,
122 GstMpegtsSection *section;
123 GstMpegtsSection *old_section;
124 const GstMpegtsPMT *pmt;
125 const GstMpegtsPMT *old_pmt;
132 static void dvb_base_bin_set_property (GObject * object, guint prop_id,
133 const GValue * value, GParamSpec * pspec);
134 static void dvb_base_bin_get_property (GObject * object, guint prop_id,
135 GValue * value, GParamSpec * pspec);
136 static void dvb_base_bin_dispose (GObject * object);
137 static void dvb_base_bin_finalize (GObject * object);
139 static void dvb_base_bin_task (DvbBaseBin * basebin);
141 static GstStateChangeReturn dvb_base_bin_change_state (GstElement * element,
142 GstStateChange transition);
143 static void dvb_base_bin_handle_message (GstBin * bin, GstMessage * message);
144 static void dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin,
145 GstMpegtsSection * pat);
146 static void dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin,
147 GstMpegtsSection * pmt);
148 static GstPad *dvb_base_bin_request_new_pad (GstElement * element,
149 GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
150 static void dvb_base_bin_release_pad (GstElement * element, GstPad * pad);
151 static void dvb_base_bin_rebuild_filter (DvbBaseBin * dvbbasebin);
153 dvb_base_bin_deactivate_program (DvbBaseBin * dvbbasebin,
154 DvbBaseBinProgram * program);
156 static void dvb_base_bin_uri_handler_init (gpointer g_iface,
157 gpointer iface_data);
159 static void dvb_base_bin_program_destroy (gpointer data);
161 /* Proxy callbacks for dvbsrc signals */
162 static void tuning_start_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
163 static void tuning_done_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
164 static void tuning_fail_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
166 static void dvb_base_bin_do_tune (DvbBaseBin * dvbbasebin);
168 #define dvb_base_bin_parent_class parent_class
169 G_DEFINE_TYPE_EXTENDED (DvbBaseBin, dvb_base_bin, GST_TYPE_BIN,
171 G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
172 dvb_base_bin_uri_handler_init));
174 GST_DEBUG_CATEGORY_INIT (dvb_base_bin_debug, "dvbbasebin", 0, "DVB bin"); \
176 dvb_element_init (plugin);
177 GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (dvbbasebin, "dvbbasebin", GST_RANK_NONE,
178 GST_TYPE_DVB_BASE_BIN, _do_init);
181 dvb_base_bin_ref_stream (DvbBaseBinStream * stream)
183 g_return_if_fail (stream != NULL);
188 dvb_base_bin_unref_stream (DvbBaseBinStream * stream)
190 g_return_if_fail (stream != NULL);
191 g_return_if_fail (stream->usecount > 0);
195 static DvbBaseBinStream *
196 dvb_base_bin_add_stream (DvbBaseBin * dvbbasebin, guint16 pid)
198 DvbBaseBinStream *stream;
200 stream = g_new0 (DvbBaseBinStream, 1);
202 stream->usecount = 0;
204 g_hash_table_insert (dvbbasebin->streams,
205 GINT_TO_POINTER ((gint) pid), stream);
210 static DvbBaseBinStream *
211 dvb_base_bin_get_stream (DvbBaseBin * dvbbasebin, guint16 pid)
213 return (DvbBaseBinStream *) g_hash_table_lookup (dvbbasebin->streams,
214 GINT_TO_POINTER ((gint) pid));
217 static DvbBaseBinProgram *
218 dvb_base_bin_add_program (DvbBaseBin * dvbbasebin, gint program_number)
220 DvbBaseBinProgram *program;
222 program = g_new0 (DvbBaseBinProgram, 1);
223 program->program_number = program_number;
224 program->selected = FALSE;
225 program->active = FALSE;
226 program->pmt_pid = G_MAXUINT16;
227 program->pcr_pid = G_MAXUINT16;
229 program->old_pmt = NULL;
231 g_hash_table_insert (dvbbasebin->programs,
232 GINT_TO_POINTER (program_number), program);
237 static DvbBaseBinProgram *
238 dvb_base_bin_get_program (DvbBaseBin * dvbbasebin, gint program_number)
240 return (DvbBaseBinProgram *) g_hash_table_lookup (dvbbasebin->programs,
241 GINT_TO_POINTER (program_number));
245 static guint dvb_base_bin_signals[LAST_SIGNAL] = { 0 };
248 tuning_start_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
250 g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_START], 0);
254 tuning_done_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
256 g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_DONE], 0);
260 tuning_fail_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
262 g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_FAIL], 0);
266 dvb_base_bin_do_tune (DvbBaseBin * dvbbasebin)
268 g_signal_emit_by_name (dvbbasebin->dvbsrc, "tune", NULL);
272 dvb_base_bin_class_init (DvbBaseBinClass * klass)
274 GObjectClass *gobject_class;
275 GstElementClass *element_class;
276 GstBinClass *bin_class;
277 DvbBaseBinClass *dvbbasebin_class;
278 GstElementFactory *dvbsrc_factory;
279 GObjectClass *dvbsrc_class;
283 const gchar *prop_name;
285 ProxyedProperty *walk;
286 ProxyedProperty proxyed_properties[] = {
287 {PROP_ADAPTER, "adapter"},
288 {PROP_FRONTEND, "frontend"},
289 {PROP_DISEQC_SRC, "diseqc-source"},
290 {PROP_FREQUENCY, "frequency"},
291 {PROP_POLARITY, "polarity"},
292 {PROP_SYMBOL_RATE, "symbol-rate"},
293 #ifndef GST_REMOVE_DEPRECATED
294 {PROP_BANDWIDTH, "bandwidth"},
296 {PROP_CODE_RATE_HP, "code-rate-hp"},
297 {PROP_CODE_RATE_LP, "code-rate-lp"},
298 {PROP_GUARD, "guard"},
299 {PROP_MODULATION, "modulation"},
300 {PROP_TRANS_MODE, "trans-mode"},
301 {PROP_HIERARCHY, "hierarchy"},
302 {PROP_INVERSION, "inversion"},
303 {PROP_STATS_REPORTING_INTERVAL, "stats-reporting-interval"},
304 {PROP_TUNING_TIMEOUT, "tuning-timeout"},
305 {PROP_DELSYS, "delsys"},
306 {PROP_PILOT, "pilot"},
307 {PROP_ROLLOFF, "rolloff"},
308 {PROP_STREAM_ID, "stream-id"},
309 {PROP_BANDWIDTH_HZ, "bandwidth-hz"},
310 {PROP_ISDBT_LAYER_ENABLED, "isdbt-layer-enabled"},
311 {PROP_ISDBT_PARTIAL_RECEPTION, "isdbt-partial-reception"},
312 {PROP_ISDBT_SOUND_BROADCASTING, "isdbt-sound-broadcasting"},
313 {PROP_ISDBT_SB_SUBCHANNEL_ID, "isdbt-sb-subchannel-id"},
314 {PROP_ISDBT_SB_SEGMENT_IDX, "isdbt-sb-segment-idx"},
315 {PROP_ISDBT_SB_SEGMENT_COUNT, "isdbt-sb-segment-count"},
316 {PROP_ISDBT_LAYERA_FEC, "isdbt-layera-fec"},
317 {PROP_ISDBT_LAYERA_MODULATION, "isdbt-layera-modulation"},
318 {PROP_ISDBT_LAYERA_SEGMENT_COUNT, "isdbt-layera-segment-count"},
319 {PROP_ISDBT_LAYERA_TIME_INTERLEAVING, "isdbt-layera-time-interleaving"},
320 {PROP_ISDBT_LAYERB_FEC, "isdbt-layerb-fec"},
321 {PROP_ISDBT_LAYERB_MODULATION, "isdbt-layerb-modulation"},
322 {PROP_ISDBT_LAYERB_SEGMENT_COUNT, "isdbt-layerb-segment-count"},
323 {PROP_ISDBT_LAYERB_TIME_INTERLEAVING, "isdbt-layerb-time-interleaving"},
324 {PROP_ISDBT_LAYERC_FEC, "isdbt-layerc-fec"},
325 {PROP_ISDBT_LAYERC_MODULATION, "isdbt-layerc-modulation"},
326 {PROP_ISDBT_LAYERC_SEGMENT_COUNT, "isdbt-layerc-segment-count"},
327 {PROP_ISDBT_LAYERC_TIME_INTERLEAVING, "isdbt-layerc-time-interleaving"},
328 {PROP_LNB_SLOF, "lnb-slof"},
329 {PROP_LNB_LOF1, "lnb-lof1"},
330 {PROP_LNB_LOF2, "lnb-lof2"},
331 {PROP_INTERLEAVING, "interleaving"},
335 bin_class = GST_BIN_CLASS (klass);
336 bin_class->handle_message = dvb_base_bin_handle_message;
338 element_class = GST_ELEMENT_CLASS (klass);
340 element_class->change_state = dvb_base_bin_change_state;
341 element_class->request_new_pad = dvb_base_bin_request_new_pad;
342 element_class->release_pad = dvb_base_bin_release_pad;
344 gst_element_class_add_static_pad_template (element_class, &program_template);
345 gst_element_class_add_static_pad_template (element_class, &src_template);
347 gst_element_class_set_static_metadata (element_class, "DVB bin",
349 "Access descramble and split DVB streams",
350 "Alessandro Decina <alessandro.d@gmail.com>\n"
351 "Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com>");
353 gobject_class = G_OBJECT_CLASS (klass);
354 gobject_class->set_property = dvb_base_bin_set_property;
355 gobject_class->get_property = dvb_base_bin_get_property;
356 gobject_class->dispose = dvb_base_bin_dispose;
357 gobject_class->finalize = dvb_base_bin_finalize;
359 dvbbasebin_class = (DvbBaseBinClass *) klass;
360 dvbbasebin_class->do_tune = dvb_base_bin_do_tune;
362 /* install dvbsrc properties */
363 dvbsrc_factory = gst_element_factory_find ("dvbsrc");
365 g_type_class_ref (gst_element_factory_get_element_type (dvbsrc_factory));
366 walk = proxyed_properties;
367 while (walk->prop_name != NULL) {
369 GParamSpec *our_pspec;
371 pspec = g_object_class_find_property (dvbsrc_class, walk->prop_name);
373 GType param_type = G_PARAM_SPEC_TYPE (pspec);
375 if (param_type == G_TYPE_PARAM_INT) {
376 GParamSpecInt *src_pspec = G_PARAM_SPEC_INT (pspec);
378 our_pspec = g_param_spec_int (g_param_spec_get_name (pspec),
379 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
380 src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
382 } else if (param_type == G_TYPE_PARAM_UINT) {
383 GParamSpecUInt *src_pspec = G_PARAM_SPEC_UINT (pspec);
385 our_pspec = g_param_spec_uint (g_param_spec_get_name (pspec),
386 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
387 src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
389 } else if (param_type == G_TYPE_PARAM_UINT64) {
390 GParamSpecUInt64 *src_pspec = G_PARAM_SPEC_UINT64 (pspec);
392 our_pspec = g_param_spec_uint64 (g_param_spec_get_name (pspec),
393 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
394 src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
396 } else if (param_type == G_TYPE_PARAM_STRING) {
397 GParamSpecString *src_pspec = G_PARAM_SPEC_STRING (pspec);
399 our_pspec = g_param_spec_string (g_param_spec_get_name (pspec),
400 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
401 src_pspec->default_value, pspec->flags);
402 } else if (param_type == G_TYPE_PARAM_ENUM) {
403 GParamSpecEnum *src_pspec = G_PARAM_SPEC_ENUM (pspec);
405 our_pspec = g_param_spec_enum (g_param_spec_get_name (pspec),
406 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
407 pspec->value_type, src_pspec->default_value, pspec->flags);
409 GST_ERROR ("Unsupported property type %s for property %s",
410 g_type_name (param_type), g_param_spec_get_name (pspec));
415 g_object_class_install_property (gobject_class, walk->prop_id, our_pspec);
417 g_warning ("dvbsrc has no property named %s", walk->prop_name);
421 g_type_class_unref (dvbsrc_class);
423 g_object_class_install_property (gobject_class, PROP_PROGRAM_NUMBERS,
424 g_param_spec_string ("program-numbers",
426 "Colon separated list of programs", "", G_PARAM_READWRITE));
428 * DvbBaseBin::tuning-start:
429 * @dvbbasebin: the element on which the signal is emitted
431 * Signal emitted when the element first attempts to tune the
432 * frontend tunner to a given frequency.
434 dvb_base_bin_signals[SIGNAL_TUNING_START] =
435 g_signal_new ("tuning-start", G_TYPE_FROM_CLASS (klass),
436 G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
438 * DvbBaseBin::tuning-done:
439 * @dvbbasebin: the element on which the signal is emitted
441 * Signal emitted when the tunner has successfully got a lock on a signal.
443 dvb_base_bin_signals[SIGNAL_TUNING_DONE] =
444 g_signal_new ("tuning-done", G_TYPE_FROM_CLASS (klass),
445 G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
447 * DvbBaseBin::tuning-fail:
448 * @dvbbasebin: the element on which the signal is emitted
450 * Signal emitted when the tunner failed to get a lock on the
453 dvb_base_bin_signals[SIGNAL_TUNING_FAIL] =
454 g_signal_new ("tuning-fail", G_TYPE_FROM_CLASS (klass),
455 G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
459 * @dvbbasesink: the element on which the signal is emitted
461 * Signal emitted from the application to the element, instructing it
464 dvb_base_bin_signals[SIGNAL_TUNE] =
465 g_signal_new ("tune", G_TYPE_FROM_CLASS (klass),
466 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
467 G_STRUCT_OFFSET (DvbBaseBinClass, do_tune), NULL, NULL, NULL,
472 dvb_base_bin_reset (DvbBaseBin * dvbbasebin)
474 if (dvbbasebin->hwcam) {
475 cam_device_close (dvbbasebin->hwcam);
476 cam_device_free (dvbbasebin->hwcam);
477 dvbbasebin->hwcam = NULL;
479 dvbbasebin->trycam = TRUE;
482 static const gint16 initial_pids[] = { 0, 1, 0x10, 0x11, 0x12, 0x14, -1 };
485 dvb_base_bin_init (DvbBaseBin * dvbbasebin)
487 DvbBaseBinStream *stream;
491 dvbbasebin->dvbsrc = gst_element_factory_make ("dvbsrc", NULL);
492 dvbbasebin->buffer_queue = gst_element_factory_make ("queue", NULL);
493 dvbbasebin->tsparse = gst_element_factory_make ("tsparse", NULL);
495 g_object_set (dvbbasebin->buffer_queue, "max-size-buffers", 0,
496 "max-size-bytes", 0, "max-size-time", (guint64) 0, NULL);
498 gst_bin_add_many (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc,
499 dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
501 gst_element_link_many (dvbbasebin->dvbsrc,
502 dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
504 /* Proxy dvbsrc signals */
505 g_signal_connect (dvbbasebin->dvbsrc, "tuning-start",
506 G_CALLBACK (tuning_start_signal_cb), dvbbasebin);
507 g_signal_connect (dvbbasebin->dvbsrc, "tuning-done",
508 G_CALLBACK (tuning_done_signal_cb), dvbbasebin);
509 g_signal_connect (dvbbasebin->dvbsrc, "tuning-fail",
510 G_CALLBACK (tuning_fail_signal_cb), dvbbasebin);
512 /* Expose tsparse source pad */
513 if (dvbbasebin->tsparse != NULL) {
514 pad = gst_element_get_static_pad (dvbbasebin->tsparse, "src");
515 ghost = gst_ghost_pad_new ("src", pad);
516 gst_object_unref (pad);
518 ghost = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
520 gst_element_add_pad (GST_ELEMENT (dvbbasebin), ghost);
522 dvbbasebin->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
523 NULL, dvb_base_bin_program_destroy);
524 dvbbasebin->streams = g_hash_table_new_full (g_direct_hash, g_direct_equal,
527 dvbbasebin->pmtlist = NULL;
528 dvbbasebin->pmtlist_changed = FALSE;
530 dvbbasebin->disposed = FALSE;
531 dvb_base_bin_reset (dvbbasebin);
533 /* add PAT, CAT, NIT, SDT, EIT, TDT to pids filter for dvbsrc */
535 while (initial_pids[i] >= 0) {
536 stream = dvb_base_bin_add_stream (dvbbasebin, (guint16) initial_pids[i]);
537 dvb_base_bin_ref_stream (stream);
540 dvb_base_bin_rebuild_filter (dvbbasebin);
542 g_rec_mutex_init (&dvbbasebin->lock);
544 gst_task_new ((GstTaskFunction) dvb_base_bin_task, dvbbasebin, NULL);
545 gst_task_set_lock (dvbbasebin->task, &dvbbasebin->lock);
546 dvbbasebin->poll = gst_poll_new (TRUE);
550 dvb_base_bin_dispose (GObject * object)
552 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
554 if (!dvbbasebin->disposed) {
555 /* remove mpegtsparse BEFORE dvbsrc, since the mpegtsparse::pad-removed
556 * signal handler uses dvbsrc */
557 dvb_base_bin_reset (dvbbasebin);
558 if (dvbbasebin->tsparse != NULL)
559 gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->tsparse);
560 gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc);
561 gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->buffer_queue);
562 g_free (dvbbasebin->program_numbers);
563 gst_poll_free (dvbbasebin->poll);
564 gst_object_unref (dvbbasebin->task);
565 g_rec_mutex_clear (&dvbbasebin->lock);
566 dvbbasebin->disposed = TRUE;
569 if (G_OBJECT_CLASS (parent_class)->dispose)
570 G_OBJECT_CLASS (parent_class)->dispose (object);
574 dvb_base_bin_finalize (GObject * object)
576 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
578 g_hash_table_destroy (dvbbasebin->streams);
579 g_hash_table_destroy (dvbbasebin->programs);
580 g_list_free (dvbbasebin->pmtlist);
582 if (G_OBJECT_CLASS (parent_class)->finalize)
583 G_OBJECT_CLASS (parent_class)->finalize (object);
587 dvb_base_bin_set_program_numbers (DvbBaseBin * dvbbasebin, const gchar * pn)
589 gchar **strv, **walk;
590 DvbBaseBinProgram *program;
592 /* Split up and update programs */
593 strv = g_strsplit (pn, ":", 0);
595 for (walk = strv; *walk; walk++) {
596 gint program_number = strtol (*walk, NULL, 0);
598 program = dvb_base_bin_get_program (dvbbasebin, program_number);
599 if (program == NULL) {
600 program = dvb_base_bin_add_program (dvbbasebin, program_number);
601 program->selected = TRUE;
607 /* FIXME : Deactivate programs no longer selected */
609 g_free (dvbbasebin->program_numbers);
610 dvbbasebin->program_numbers = g_strdup (pn);
613 dvb_base_bin_deactivate_program (dvbbasebin, NULL);
617 dvb_base_bin_set_property (GObject * object, guint prop_id,
618 const GValue * value, GParamSpec * pspec)
620 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
624 case PROP_DISEQC_SRC:
628 case PROP_SYMBOL_RATE:
630 case PROP_CODE_RATE_HP:
631 case PROP_CODE_RATE_LP:
633 case PROP_MODULATION:
634 case PROP_TRANS_MODE:
637 case PROP_STATS_REPORTING_INTERVAL:
638 case PROP_TUNING_TIMEOUT:
643 case PROP_BANDWIDTH_HZ:
644 case PROP_ISDBT_LAYER_ENABLED:
645 case PROP_ISDBT_PARTIAL_RECEPTION:
646 case PROP_ISDBT_SOUND_BROADCASTING:
647 case PROP_ISDBT_SB_SUBCHANNEL_ID:
648 case PROP_ISDBT_SB_SEGMENT_IDX:
649 case PROP_ISDBT_SB_SEGMENT_COUNT:
650 case PROP_ISDBT_LAYERA_FEC:
651 case PROP_ISDBT_LAYERA_MODULATION:
652 case PROP_ISDBT_LAYERA_SEGMENT_COUNT:
653 case PROP_ISDBT_LAYERA_TIME_INTERLEAVING:
654 case PROP_ISDBT_LAYERB_FEC:
655 case PROP_ISDBT_LAYERB_MODULATION:
656 case PROP_ISDBT_LAYERB_SEGMENT_COUNT:
657 case PROP_ISDBT_LAYERB_TIME_INTERLEAVING:
658 case PROP_ISDBT_LAYERC_FEC:
659 case PROP_ISDBT_LAYERC_MODULATION:
660 case PROP_ISDBT_LAYERC_SEGMENT_COUNT:
661 case PROP_ISDBT_LAYERC_TIME_INTERLEAVING:
665 case PROP_INTERLEAVING:
666 /* FIXME: check if we can tune (state < PLAYING || program-numbers == "") */
667 g_object_set_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
669 case PROP_PROGRAM_NUMBERS:
670 dvb_base_bin_set_program_numbers (dvbbasebin, g_value_get_string (value));
673 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
678 dvb_base_bin_get_property (GObject * object, guint prop_id,
679 GValue * value, GParamSpec * pspec)
681 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
686 case PROP_DISEQC_SRC:
689 case PROP_SYMBOL_RATE:
691 case PROP_CODE_RATE_HP:
692 case PROP_CODE_RATE_LP:
694 case PROP_MODULATION:
695 case PROP_TRANS_MODE:
698 case PROP_STATS_REPORTING_INTERVAL:
699 case PROP_TUNING_TIMEOUT:
704 case PROP_BANDWIDTH_HZ:
705 case PROP_ISDBT_LAYER_ENABLED:
706 case PROP_ISDBT_PARTIAL_RECEPTION:
707 case PROP_ISDBT_SOUND_BROADCASTING:
708 case PROP_ISDBT_SB_SUBCHANNEL_ID:
709 case PROP_ISDBT_SB_SEGMENT_IDX:
710 case PROP_ISDBT_SB_SEGMENT_COUNT:
711 case PROP_ISDBT_LAYERA_FEC:
712 case PROP_ISDBT_LAYERA_MODULATION:
713 case PROP_ISDBT_LAYERA_SEGMENT_COUNT:
714 case PROP_ISDBT_LAYERA_TIME_INTERLEAVING:
715 case PROP_ISDBT_LAYERB_FEC:
716 case PROP_ISDBT_LAYERB_MODULATION:
717 case PROP_ISDBT_LAYERB_SEGMENT_COUNT:
718 case PROP_ISDBT_LAYERB_TIME_INTERLEAVING:
719 case PROP_ISDBT_LAYERC_FEC:
720 case PROP_ISDBT_LAYERC_MODULATION:
721 case PROP_ISDBT_LAYERC_SEGMENT_COUNT:
722 case PROP_ISDBT_LAYERC_TIME_INTERLEAVING:
726 case PROP_INTERLEAVING:
727 g_object_get_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
729 case PROP_PROGRAM_NUMBERS:
730 g_value_set_string (value, dvbbasebin->program_numbers);
733 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
738 dvb_base_bin_request_new_pad (GstElement * element,
739 GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
741 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (element);
746 GST_DEBUG_OBJECT (dvbbasebin, "New pad requested %s", GST_STR_NULL (name));
748 if (dvbbasebin->tsparse == NULL)
752 name = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
754 pad = gst_element_request_pad_simple (dvbbasebin->tsparse, name);
758 pad_name = gst_pad_get_name (pad);
759 ghost = gst_ghost_pad_new (pad_name, pad);
760 gst_object_unref (pad);
762 gst_element_add_pad (element, ghost);
768 dvb_base_bin_release_pad (GstElement * element, GstPad * pad)
773 g_return_if_fail (GST_IS_DVB_BASE_BIN (element));
775 ghost = GST_GHOST_PAD (pad);
776 target = gst_ghost_pad_get_target (ghost);
777 gst_element_release_request_pad (GST_ELEMENT (GST_DVB_BASE_BIN
778 (element)->tsparse), target);
779 gst_object_unref (target);
781 gst_element_remove_pad (element, pad);
785 dvb_base_bin_reset_pmtlist (DvbBaseBin * dvbbasebin)
787 CamConditionalAccessPmtFlag flag;
791 walk = dvbbasebin->pmtlist;
793 if (walk->prev == NULL) {
794 if (walk->next == NULL)
795 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_ONLY;
797 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_FIRST;
799 if (walk->next == NULL)
800 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_LAST;
802 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_MORE;
805 pmt = (GstMpegtsPMT *) walk->data;
806 cam_device_set_pmt (dvbbasebin->hwcam, pmt, flag);
811 dvbbasebin->pmtlist_changed = FALSE;
815 dvb_base_bin_init_cam (DvbBaseBin * dvbbasebin)
820 g_object_get (dvbbasebin->dvbsrc, "adapter", &adapter, NULL);
821 /* TODO: handle multiple cams */
822 ca_file = g_strdup_printf ("/dev/dvb/adapter%d/ca0", adapter);
823 if (g_file_test (ca_file, G_FILE_TEST_EXISTS)) {
824 dvbbasebin->hwcam = cam_device_new ();
825 /* device_open() can block up to 5s ! */
826 if (!cam_device_open (dvbbasebin->hwcam, ca_file)) {
827 GST_ERROR_OBJECT (dvbbasebin, "could not open %s", ca_file);
828 cam_device_free (dvbbasebin->hwcam);
829 dvbbasebin->hwcam = NULL;
833 dvbbasebin->trycam = FALSE;
838 static GstStateChangeReturn
839 dvb_base_bin_change_state (GstElement * element, GstStateChange transition)
841 DvbBaseBin *dvbbasebin;
842 GstStateChangeReturn ret;
844 dvbbasebin = GST_DVB_BASE_BIN (element);
846 switch (transition) {
847 case GST_STATE_CHANGE_NULL_TO_READY:
848 if (dvbbasebin->tsparse == NULL) {
849 GST_ELEMENT_ERROR (dvbbasebin, CORE, MISSING_PLUGIN, (NULL),
850 ("No 'tsparse' element, check your GStreamer installation."));
851 return GST_STATE_CHANGE_FAILURE;
858 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
860 switch (transition) {
861 case GST_STATE_CHANGE_READY_TO_PAUSED:
862 gst_poll_set_flushing (dvbbasebin->poll, FALSE);
863 g_rec_mutex_lock (&dvbbasebin->lock);
864 gst_task_start (dvbbasebin->task);
865 g_rec_mutex_unlock (&dvbbasebin->lock);
867 case GST_STATE_CHANGE_PAUSED_TO_READY:
868 gst_poll_set_flushing (dvbbasebin->poll, TRUE);
869 g_rec_mutex_lock (&dvbbasebin->lock);
870 gst_task_stop (dvbbasebin->task);
871 g_rec_mutex_unlock (&dvbbasebin->lock);
872 dvb_base_bin_reset (dvbbasebin);
882 foreach_stream_build_filter (gpointer key, gpointer value, gpointer user_data)
884 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (user_data);
885 DvbBaseBinStream *stream = (DvbBaseBinStream *) value;
888 GST_DEBUG ("stream %d usecount %d", stream->pid, stream->usecount);
890 if (stream->usecount > 0) {
891 /* TODO: use g_strjoinv FTW */
892 tmp = dvbbasebin->filter;
893 pid = g_strdup_printf ("%d", stream->pid);
894 dvbbasebin->filter = g_strjoin (":", pid, dvbbasebin->filter, NULL);
902 dvb_base_bin_rebuild_filter (DvbBaseBin * dvbbasebin)
904 g_hash_table_foreach (dvbbasebin->streams,
905 foreach_stream_build_filter, dvbbasebin);
907 if (dvbbasebin->filter == NULL)
908 /* fix dvbsrc to handle NULL filter */
909 dvbbasebin->filter = g_strdup ("");
911 GST_INFO_OBJECT (dvbbasebin, "rebuilt filter %s", dvbbasebin->filter);
913 /* FIXME: find a way to not add unwanted pids controlled by app */
914 g_object_set (dvbbasebin->dvbsrc, "pids", dvbbasebin->filter, NULL);
915 g_free (dvbbasebin->filter);
916 dvbbasebin->filter = NULL;
920 dvb_base_bin_remove_pmt_streams (DvbBaseBin * dvbbasebin,
921 const GstMpegtsPMT * pmt)
924 DvbBaseBinStream *stream;
926 for (i = 0; i < pmt->streams->len; i++) {
927 GstMpegtsPMTStream *pmtstream = g_ptr_array_index (pmt->streams, i);
929 stream = dvb_base_bin_get_stream (dvbbasebin, pmtstream->pid);
930 if (stream == NULL) {
931 GST_WARNING_OBJECT (dvbbasebin, "removing unknown stream %d ??",
936 dvb_base_bin_unref_stream (stream);
941 dvb_base_bin_add_pmt_streams (DvbBaseBin * dvbbasebin, const GstMpegtsPMT * pmt)
943 DvbBaseBinStream *stream;
946 for (i = 0; i < pmt->streams->len; i++) {
947 GstMpegtsPMTStream *pmtstream = g_ptr_array_index (pmt->streams, i);
949 GST_DEBUG ("filtering stream %d stream_type %d", pmtstream->pid,
950 pmtstream->stream_type);
952 stream = dvb_base_bin_get_stream (dvbbasebin, pmtstream->pid);
954 stream = dvb_base_bin_add_stream (dvbbasebin, pmtstream->pid);
955 dvb_base_bin_ref_stream (stream);
960 dvb_base_bin_activate_program (DvbBaseBin * dvbbasebin,
961 DvbBaseBinProgram * program)
963 DvbBaseBinStream *stream;
965 if (program->old_pmt) {
966 dvb_base_bin_remove_pmt_streams (dvbbasebin, program->old_pmt);
967 dvbbasebin->pmtlist = g_list_remove (dvbbasebin->pmtlist, program->old_pmt);
970 /* activate the PMT and PCR streams. If the PCR stream is in the PMT its
971 * usecount will be incremented by 2 here and decremented by 2 when the
972 * program is deactivated */
973 if (!program->pmt_active) {
974 stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
976 stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
977 dvb_base_bin_ref_stream (stream);
978 program->pmt_active = TRUE;
984 old_pcr_pid = program->pcr_pid;
985 program->pcr_pid = program->pmt->pcr_pid;
986 if (old_pcr_pid != G_MAXUINT16 && old_pcr_pid != program->pcr_pid) {
987 dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
991 stream = dvb_base_bin_get_stream (dvbbasebin, program->pcr_pid);
993 stream = dvb_base_bin_add_stream (dvbbasebin, program->pcr_pid);
994 dvb_base_bin_ref_stream (stream);
996 dvb_base_bin_add_pmt_streams (dvbbasebin, program->pmt);
997 dvbbasebin->pmtlist =
998 g_list_append (dvbbasebin->pmtlist, (gpointer) program->pmt);
999 dvbbasebin->pmtlist_changed = TRUE;
1000 program->active = TRUE;
1003 dvb_base_bin_rebuild_filter (dvbbasebin);
1007 dvb_base_bin_deactivate_program (DvbBaseBin * dvbbasebin,
1008 DvbBaseBinProgram * program)
1010 DvbBaseBinStream *stream;
1012 stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
1013 if (stream != NULL) {
1014 dvb_base_bin_unref_stream (stream);
1017 stream = dvb_base_bin_get_stream (dvbbasebin, program->pcr_pid);
1018 if (stream != NULL) {
1019 dvb_base_bin_unref_stream (stream);
1023 dvb_base_bin_remove_pmt_streams (dvbbasebin, program->pmt);
1024 dvbbasebin->pmtlist = g_list_remove (dvbbasebin->pmtlist, program->pmt);
1025 dvbbasebin->pmtlist_changed = TRUE;
1028 dvb_base_bin_rebuild_filter (dvbbasebin);
1029 program->pmt_active = FALSE;
1030 program->active = FALSE;
1034 dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
1036 DvbBaseBin *dvbbasebin;
1038 dvbbasebin = GST_DVB_BASE_BIN (bin);
1040 /* note: message->src might be a GstPad, so use element cast w/o typecheck */
1041 if (GST_ELEMENT_CAST (message->src) == dvbbasebin->tsparse) {
1042 GstMpegtsSection *section = gst_message_parse_mpegts_section (message);
1045 switch (GST_MPEGTS_SECTION_TYPE (section)) {
1046 case GST_MPEGTS_SECTION_PAT:
1047 dvb_base_bin_pat_info_cb (dvbbasebin, section);
1049 case GST_MPEGTS_SECTION_PMT:
1050 dvb_base_bin_pmt_info_cb (dvbbasebin, section);
1055 gst_mpegts_section_unref (section);
1060 GST_BIN_CLASS (parent_class)->handle_message (bin, message);
1066 dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
1069 DvbBaseBinProgram *program;
1070 DvbBaseBinStream *stream;
1073 gboolean rebuild_filter = FALSE;
1075 if (!(pat = gst_mpegts_section_get_pat (section))) {
1076 GST_WARNING_OBJECT (dvbbasebin, "got invalid PAT");
1080 for (i = 0; i < pat->len; i++) {
1081 GstMpegtsPatProgram *patp = g_ptr_array_index (pat, i);
1083 program = dvb_base_bin_get_program (dvbbasebin, patp->program_number);
1084 if (program == NULL)
1085 program = dvb_base_bin_add_program (dvbbasebin, patp->program_number);
1087 old_pmt_pid = program->pmt_pid;
1088 program->pmt_pid = patp->network_or_program_map_PID;
1090 if (program->selected) {
1092 if (old_pmt_pid != G_MAXUINT16 && old_pmt_pid != program->pmt_pid) {
1093 dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
1097 stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
1099 stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
1101 dvb_base_bin_ref_stream (stream);
1103 rebuild_filter = TRUE;
1106 g_ptr_array_unref (pat);
1109 dvb_base_bin_rebuild_filter (dvbbasebin);
1113 dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
1115 const GstMpegtsPMT *pmt;
1116 DvbBaseBinProgram *program;
1117 guint program_number;
1119 pmt = gst_mpegts_section_get_pmt (section);
1120 if (G_UNLIKELY (pmt == NULL)) {
1121 GST_WARNING_OBJECT (dvbbasebin, "Received invalid PMT");
1125 program_number = section->subtable_extension;
1127 program = dvb_base_bin_get_program (dvbbasebin, program_number);
1128 if (program == NULL) {
1129 GST_WARNING ("got PMT for program %d but program not in PAT",
1131 program = dvb_base_bin_add_program (dvbbasebin, program_number);
1134 program->old_pmt = program->pmt;
1135 program->old_section = program->section;
1137 program->section = gst_mpegts_section_ref (section);
1139 /* activate the program if it's selected and either it's not active or its pmt
1141 if (program->selected && (!program->active || program->old_pmt != NULL))
1142 dvb_base_bin_activate_program (dvbbasebin, program);
1144 if (program->old_pmt) {
1145 gst_mpegts_section_unref (program->old_section);
1146 program->old_pmt = NULL;
1151 dvb_base_bin_uri_get_type (GType type)
1156 static const gchar *const *
1157 dvb_base_bin_uri_get_protocols (GType type)
1159 static const gchar *protocols[] = { "dvb", NULL };
1165 dvb_base_bin_uri_get_uri (GstURIHandler * handler)
1167 return g_strdup ("dvb://");
1171 dvb_base_bin_uri_set_uri (GstURIHandler * handler, const gchar * uri,
1174 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (handler);
1178 location = gst_uri_get_location (uri);
1180 if (location == NULL)
1183 /* FIXME: here is where we parse channels.conf */
1184 if (!set_properties_for_channel (GST_ELEMENT (dvbbasebin), location, &err))
1185 goto set_properties_failed;
1190 post_error_and_exit:
1192 gst_element_message_full (GST_ELEMENT (dvbbasebin), GST_MESSAGE_ERROR,
1193 err->domain, err->code, g_strdup (err->message), NULL, __FILE__,
1194 GST_FUNCTION, __LINE__);
1195 g_propagate_error (error, err);
1200 g_set_error (&err, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
1201 "No details to DVB URI");
1202 goto post_error_and_exit;
1204 set_properties_failed:
1208 g_set_error (&err, GST_URI_ERROR, GST_URI_ERROR_BAD_REFERENCE,
1209 "Could not find information for channel");
1210 goto post_error_and_exit;
1215 dvb_base_bin_uri_handler_init (gpointer g_iface, gpointer iface_data)
1217 GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
1219 iface->get_type = dvb_base_bin_uri_get_type;
1220 iface->get_protocols = dvb_base_bin_uri_get_protocols;
1221 iface->get_uri = dvb_base_bin_uri_get_uri;
1222 iface->set_uri = dvb_base_bin_uri_set_uri;
1227 dvb_base_bin_program_destroy (gpointer data)
1229 DvbBaseBinProgram *program;
1231 program = (DvbBaseBinProgram *) data;
1234 program->pmt = NULL;
1235 gst_mpegts_section_unref (program->section);
1242 dvb_base_bin_task (DvbBaseBin * basebin)
1246 GST_DEBUG_OBJECT (basebin, "In task");
1248 /* If we haven't tried to open the cam, try now */
1249 if (G_UNLIKELY (basebin->trycam))
1250 dvb_base_bin_init_cam (basebin);
1252 /* poll with timeout */
1253 pollres = gst_poll_wait (basebin->poll, GST_SECOND / 4);
1255 if (G_UNLIKELY (pollres == -1)) {
1256 gst_task_stop (basebin->task);
1259 if (basebin->hwcam) {
1260 cam_device_poll (basebin->hwcam);
1262 if (basebin->pmtlist_changed) {
1263 if (cam_device_ready (basebin->hwcam)) {
1264 GST_DEBUG_OBJECT (basebin, "pmt list changed");
1265 dvb_base_bin_reset_pmtlist (basebin);
1267 GST_DEBUG_OBJECT (basebin, "pmt list changed but CAM not ready");