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 "dvbbasebin.h"
34 #include "parsechannels.h"
36 GST_DEBUG_CATEGORY (dvb_base_bin_debug);
37 #define GST_CAT_DEFAULT dvb_base_bin_debug
39 static GstStaticPadTemplate src_template =
40 GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC,
42 GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
45 static GstStaticPadTemplate program_template =
46 GST_STATIC_PAD_TEMPLATE ("program_%u", GST_PAD_SRC,
48 GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
79 PROP_STATS_REPORTING_INTERVAL,
86 PROP_ISDBT_LAYER_ENABLED,
87 PROP_ISDBT_PARTIAL_RECEPTION,
88 PROP_ISDBT_SOUND_BROADCASTING,
89 PROP_ISDBT_SB_SUBCHANNEL_ID,
90 PROP_ISDBT_SB_SEGMENT_IDX,
91 PROP_ISDBT_SB_SEGMENT_COUNT,
92 PROP_ISDBT_LAYERA_FEC,
93 PROP_ISDBT_LAYERA_MODULATION,
94 PROP_ISDBT_LAYERA_SEGMENT_COUNT,
95 PROP_ISDBT_LAYERA_TIME_INTERLEAVING,
96 PROP_ISDBT_LAYERB_FEC,
97 PROP_ISDBT_LAYERB_MODULATION,
98 PROP_ISDBT_LAYERB_SEGMENT_COUNT,
99 PROP_ISDBT_LAYERB_TIME_INTERLEAVING,
100 PROP_ISDBT_LAYERC_FEC,
101 PROP_ISDBT_LAYERC_MODULATION,
102 PROP_ISDBT_LAYERC_SEGMENT_COUNT,
103 PROP_ISDBT_LAYERC_TIME_INTERLEAVING,
121 GstMpegtsSection *section;
122 GstMpegtsSection *old_section;
123 const GstMpegtsPMT *pmt;
124 const GstMpegtsPMT *old_pmt;
131 static void dvb_base_bin_set_property (GObject * object, guint prop_id,
132 const GValue * value, GParamSpec * pspec);
133 static void dvb_base_bin_get_property (GObject * object, guint prop_id,
134 GValue * value, GParamSpec * pspec);
135 static void dvb_base_bin_dispose (GObject * object);
136 static void dvb_base_bin_finalize (GObject * object);
138 static void dvb_base_bin_task (DvbBaseBin * basebin);
140 static GstStateChangeReturn dvb_base_bin_change_state (GstElement * element,
141 GstStateChange transition);
142 static void dvb_base_bin_handle_message (GstBin * bin, GstMessage * message);
143 static void dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin,
144 GstMpegtsSection * pat);
145 static void dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin,
146 GstMpegtsSection * pmt);
147 static GstPad *dvb_base_bin_request_new_pad (GstElement * element,
148 GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
149 static void dvb_base_bin_release_pad (GstElement * element, GstPad * pad);
150 static void dvb_base_bin_rebuild_filter (DvbBaseBin * dvbbasebin);
152 dvb_base_bin_deactivate_program (DvbBaseBin * dvbbasebin,
153 DvbBaseBinProgram * program);
155 static void dvb_base_bin_uri_handler_init (gpointer g_iface,
156 gpointer iface_data);
158 static void dvb_base_bin_program_destroy (gpointer data);
160 /* Proxy callbacks for dvbsrc signals */
161 static void tuning_start_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
162 static void tuning_done_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
163 static void tuning_fail_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
165 static void dvb_base_bin_do_tune (DvbBaseBin * dvbbasebin);
167 #define dvb_base_bin_parent_class parent_class
168 G_DEFINE_TYPE_EXTENDED (DvbBaseBin, dvb_base_bin, GST_TYPE_BIN,
170 G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
171 dvb_base_bin_uri_handler_init));
175 dvb_base_bin_ref_stream (DvbBaseBinStream * stream)
177 g_return_if_fail (stream != NULL);
182 dvb_base_bin_unref_stream (DvbBaseBinStream * stream)
184 g_return_if_fail (stream != NULL);
185 g_return_if_fail (stream->usecount > 0);
189 static DvbBaseBinStream *
190 dvb_base_bin_add_stream (DvbBaseBin * dvbbasebin, guint16 pid)
192 DvbBaseBinStream *stream;
194 stream = g_new0 (DvbBaseBinStream, 1);
196 stream->usecount = 0;
198 g_hash_table_insert (dvbbasebin->streams,
199 GINT_TO_POINTER ((gint) pid), stream);
204 static DvbBaseBinStream *
205 dvb_base_bin_get_stream (DvbBaseBin * dvbbasebin, guint16 pid)
207 return (DvbBaseBinStream *) g_hash_table_lookup (dvbbasebin->streams,
208 GINT_TO_POINTER ((gint) pid));
211 static DvbBaseBinProgram *
212 dvb_base_bin_add_program (DvbBaseBin * dvbbasebin, gint program_number)
214 DvbBaseBinProgram *program;
216 program = g_new0 (DvbBaseBinProgram, 1);
217 program->program_number = program_number;
218 program->selected = FALSE;
219 program->active = FALSE;
220 program->pmt_pid = G_MAXUINT16;
221 program->pcr_pid = G_MAXUINT16;
223 program->old_pmt = NULL;
225 g_hash_table_insert (dvbbasebin->programs,
226 GINT_TO_POINTER (program_number), program);
231 static DvbBaseBinProgram *
232 dvb_base_bin_get_program (DvbBaseBin * dvbbasebin, gint program_number)
234 return (DvbBaseBinProgram *) g_hash_table_lookup (dvbbasebin->programs,
235 GINT_TO_POINTER (program_number));
239 static guint dvb_base_bin_signals[LAST_SIGNAL] = { 0 };
242 tuning_start_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
244 g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_START], 0);
248 tuning_done_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
250 g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_DONE], 0);
254 tuning_fail_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
256 g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_FAIL], 0);
260 dvb_base_bin_do_tune (DvbBaseBin * dvbbasebin)
262 g_signal_emit_by_name (dvbbasebin->dvbsrc, "tune", NULL);
266 dvb_base_bin_class_init (DvbBaseBinClass * klass)
268 GObjectClass *gobject_class;
269 GstElementClass *element_class;
270 GstBinClass *bin_class;
271 DvbBaseBinClass *dvbbasebin_class;
272 GstElementFactory *dvbsrc_factory;
273 GObjectClass *dvbsrc_class;
277 const gchar *prop_name;
279 ProxyedProperty *walk;
280 ProxyedProperty proxyed_properties[] = {
281 {PROP_ADAPTER, "adapter"},
282 {PROP_FRONTEND, "frontend"},
283 {PROP_DISEQC_SRC, "diseqc-source"},
284 {PROP_FREQUENCY, "frequency"},
285 {PROP_POLARITY, "polarity"},
286 {PROP_SYMBOL_RATE, "symbol-rate"},
287 #ifndef GST_REMOVE_DEPRECATED
288 {PROP_BANDWIDTH, "bandwidth"},
290 {PROP_CODE_RATE_HP, "code-rate-hp"},
291 {PROP_CODE_RATE_LP, "code-rate-lp"},
292 {PROP_GUARD, "guard"},
293 {PROP_MODULATION, "modulation"},
294 {PROP_TRANS_MODE, "trans-mode"},
295 {PROP_HIERARCHY, "hierarchy"},
296 {PROP_INVERSION, "inversion"},
297 {PROP_STATS_REPORTING_INTERVAL, "stats-reporting-interval"},
298 {PROP_TUNING_TIMEOUT, "tuning-timeout"},
299 {PROP_DELSYS, "delsys"},
300 {PROP_PILOT, "pilot"},
301 {PROP_ROLLOFF, "rolloff"},
302 {PROP_STREAM_ID, "stream-id"},
303 {PROP_BANDWIDTH_HZ, "bandwidth-hz"},
304 {PROP_ISDBT_LAYER_ENABLED, "isdbt-layer-enabled"},
305 {PROP_ISDBT_PARTIAL_RECEPTION, "isdbt-partial-reception"},
306 {PROP_ISDBT_SOUND_BROADCASTING, "isdbt-sound-broadcasting"},
307 {PROP_ISDBT_SB_SUBCHANNEL_ID, "isdbt-sb-subchannel-id"},
308 {PROP_ISDBT_SB_SEGMENT_IDX, "isdbt-sb-segment-idx"},
309 {PROP_ISDBT_SB_SEGMENT_COUNT, "isdbt-sb-segment-count"},
310 {PROP_ISDBT_LAYERA_FEC, "isdbt-layera-fec"},
311 {PROP_ISDBT_LAYERA_MODULATION, "isdbt-layera-modulation"},
312 {PROP_ISDBT_LAYERA_SEGMENT_COUNT, "isdbt-layera-segment-count"},
313 {PROP_ISDBT_LAYERA_TIME_INTERLEAVING, "isdbt-layera-time-interleaving"},
314 {PROP_ISDBT_LAYERB_FEC, "isdbt-layerb-fec"},
315 {PROP_ISDBT_LAYERB_MODULATION, "isdbt-layerb-modulation"},
316 {PROP_ISDBT_LAYERB_SEGMENT_COUNT, "isdbt-layerb-segment-count"},
317 {PROP_ISDBT_LAYERB_TIME_INTERLEAVING, "isdbt-layerb-time-interleaving"},
318 {PROP_ISDBT_LAYERC_FEC, "isdbt-layerc-fec"},
319 {PROP_ISDBT_LAYERC_MODULATION, "isdbt-layerc-modulation"},
320 {PROP_ISDBT_LAYERC_SEGMENT_COUNT, "isdbt-layerc-segment-count"},
321 {PROP_ISDBT_LAYERC_TIME_INTERLEAVING, "isdbt-layerc-time-interleaving"},
322 {PROP_LNB_SLOF, "lnb-slof"},
323 {PROP_LNB_LOF1, "lnb-lof1"},
324 {PROP_LNB_LOF2, "lnb-lof2"},
325 {PROP_INTERLEAVING, "interleaving"},
329 bin_class = GST_BIN_CLASS (klass);
330 bin_class->handle_message = dvb_base_bin_handle_message;
332 element_class = GST_ELEMENT_CLASS (klass);
334 element_class->change_state = dvb_base_bin_change_state;
335 element_class->request_new_pad = dvb_base_bin_request_new_pad;
336 element_class->release_pad = dvb_base_bin_release_pad;
338 gst_element_class_add_static_pad_template (element_class, &program_template);
339 gst_element_class_add_static_pad_template (element_class, &src_template);
341 gst_element_class_set_static_metadata (element_class, "DVB bin",
343 "Access descramble and split DVB streams",
344 "Alessandro Decina <alessandro.d@gmail.com>\n"
345 "Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com>");
347 gobject_class = G_OBJECT_CLASS (klass);
348 gobject_class->set_property = dvb_base_bin_set_property;
349 gobject_class->get_property = dvb_base_bin_get_property;
350 gobject_class->dispose = dvb_base_bin_dispose;
351 gobject_class->finalize = dvb_base_bin_finalize;
353 dvbbasebin_class = (DvbBaseBinClass *) klass;
354 dvbbasebin_class->do_tune = dvb_base_bin_do_tune;
356 /* install dvbsrc properties */
357 dvbsrc_factory = gst_element_factory_find ("dvbsrc");
359 g_type_class_ref (gst_element_factory_get_element_type (dvbsrc_factory));
360 walk = proxyed_properties;
361 while (walk->prop_name != NULL) {
363 GParamSpec *our_pspec;
365 pspec = g_object_class_find_property (dvbsrc_class, walk->prop_name);
367 GType param_type = G_PARAM_SPEC_TYPE (pspec);
369 if (param_type == G_TYPE_PARAM_INT) {
370 GParamSpecInt *src_pspec = G_PARAM_SPEC_INT (pspec);
372 our_pspec = g_param_spec_int (g_param_spec_get_name (pspec),
373 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
374 src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
376 } else if (param_type == G_TYPE_PARAM_UINT) {
377 GParamSpecUInt *src_pspec = G_PARAM_SPEC_UINT (pspec);
379 our_pspec = g_param_spec_uint (g_param_spec_get_name (pspec),
380 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
381 src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
383 } else if (param_type == G_TYPE_PARAM_UINT64) {
384 GParamSpecUInt64 *src_pspec = G_PARAM_SPEC_UINT64 (pspec);
386 our_pspec = g_param_spec_uint64 (g_param_spec_get_name (pspec),
387 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
388 src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
390 } else if (param_type == G_TYPE_PARAM_STRING) {
391 GParamSpecString *src_pspec = G_PARAM_SPEC_STRING (pspec);
393 our_pspec = g_param_spec_string (g_param_spec_get_name (pspec),
394 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
395 src_pspec->default_value, pspec->flags);
396 } else if (param_type == G_TYPE_PARAM_ENUM) {
397 GParamSpecEnum *src_pspec = G_PARAM_SPEC_ENUM (pspec);
399 our_pspec = g_param_spec_enum (g_param_spec_get_name (pspec),
400 g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
401 pspec->value_type, src_pspec->default_value, pspec->flags);
403 GST_ERROR ("Unsupported property type %s for property %s",
404 g_type_name (param_type), g_param_spec_get_name (pspec));
409 g_object_class_install_property (gobject_class, walk->prop_id, our_pspec);
411 g_warning ("dvbsrc has no property named %s", walk->prop_name);
415 g_type_class_unref (dvbsrc_class);
417 g_object_class_install_property (gobject_class, PROP_PROGRAM_NUMBERS,
418 g_param_spec_string ("program-numbers",
420 "Colon separated list of programs", "", G_PARAM_READWRITE));
422 * DvbBaseBin::tuning-start:
423 * @dvbbasebin: the element on which the signal is emitted
425 * Signal emitted when the element first attempts to tune the
426 * frontend tunner to a given frequency.
428 dvb_base_bin_signals[SIGNAL_TUNING_START] =
429 g_signal_new ("tuning-start", G_TYPE_FROM_CLASS (klass),
430 G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
432 * DvbBaseBin::tuning-done:
433 * @dvbbasebin: the element on which the signal is emitted
435 * Signal emitted when the tunner has successfully got a lock on a signal.
437 dvb_base_bin_signals[SIGNAL_TUNING_DONE] =
438 g_signal_new ("tuning-done", G_TYPE_FROM_CLASS (klass),
439 G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
441 * DvbBaseBin::tuning-fail:
442 * @dvbbasebin: the element on which the signal is emitted
444 * Signal emitted when the tunner failed to get a lock on the
447 dvb_base_bin_signals[SIGNAL_TUNING_FAIL] =
448 g_signal_new ("tuning-fail", G_TYPE_FROM_CLASS (klass),
449 G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
453 * @dvbbasesink: the element on which the signal is emitted
455 * Signal emitted from the application to the element, instructing it
458 dvb_base_bin_signals[SIGNAL_TUNE] =
459 g_signal_new ("tune", G_TYPE_FROM_CLASS (klass),
460 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
461 G_STRUCT_OFFSET (DvbBaseBinClass, do_tune),
462 NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
466 dvb_base_bin_reset (DvbBaseBin * dvbbasebin)
468 if (dvbbasebin->hwcam) {
469 cam_device_close (dvbbasebin->hwcam);
470 cam_device_free (dvbbasebin->hwcam);
471 dvbbasebin->hwcam = NULL;
473 dvbbasebin->trycam = TRUE;
476 static const gint16 initial_pids[] = { 0, 1, 0x10, 0x11, 0x12, 0x14, -1 };
479 dvb_base_bin_init (DvbBaseBin * dvbbasebin)
481 DvbBaseBinStream *stream;
485 dvbbasebin->dvbsrc = gst_element_factory_make ("dvbsrc", NULL);
486 dvbbasebin->buffer_queue = gst_element_factory_make ("queue", NULL);
487 dvbbasebin->tsparse = gst_element_factory_make ("tsparse", NULL);
489 g_object_set (dvbbasebin->buffer_queue, "max-size-buffers", 0,
490 "max-size-bytes", 0, "max-size-time", (guint64) 0, NULL);
492 gst_bin_add_many (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc,
493 dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
495 gst_element_link_many (dvbbasebin->dvbsrc,
496 dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
498 /* Proxy dvbsrc signals */
499 g_signal_connect (dvbbasebin->dvbsrc, "tuning-start",
500 G_CALLBACK (tuning_start_signal_cb), dvbbasebin);
501 g_signal_connect (dvbbasebin->dvbsrc, "tuning-done",
502 G_CALLBACK (tuning_done_signal_cb), dvbbasebin);
503 g_signal_connect (dvbbasebin->dvbsrc, "tuning-fail",
504 G_CALLBACK (tuning_fail_signal_cb), dvbbasebin);
506 /* Expose tsparse source pad */
507 if (dvbbasebin->tsparse != NULL) {
508 pad = gst_element_get_static_pad (dvbbasebin->tsparse, "src");
509 ghost = gst_ghost_pad_new ("src", pad);
510 gst_object_unref (pad);
512 ghost = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
514 gst_element_add_pad (GST_ELEMENT (dvbbasebin), ghost);
516 dvbbasebin->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
517 NULL, dvb_base_bin_program_destroy);
518 dvbbasebin->streams = g_hash_table_new_full (g_direct_hash, g_direct_equal,
521 dvbbasebin->pmtlist = NULL;
522 dvbbasebin->pmtlist_changed = FALSE;
524 dvbbasebin->disposed = FALSE;
525 dvb_base_bin_reset (dvbbasebin);
527 /* add PAT, CAT, NIT, SDT, EIT, TDT to pids filter for dvbsrc */
529 while (initial_pids[i] >= 0) {
530 stream = dvb_base_bin_add_stream (dvbbasebin, (guint16) initial_pids[i]);
531 dvb_base_bin_ref_stream (stream);
534 dvb_base_bin_rebuild_filter (dvbbasebin);
536 g_rec_mutex_init (&dvbbasebin->lock);
538 gst_task_new ((GstTaskFunction) dvb_base_bin_task, dvbbasebin, NULL);
539 gst_task_set_lock (dvbbasebin->task, &dvbbasebin->lock);
540 dvbbasebin->poll = gst_poll_new (TRUE);
544 dvb_base_bin_dispose (GObject * object)
546 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
548 if (!dvbbasebin->disposed) {
549 /* remove mpegtsparse BEFORE dvbsrc, since the mpegtsparse::pad-removed
550 * signal handler uses dvbsrc */
551 dvb_base_bin_reset (dvbbasebin);
552 if (dvbbasebin->tsparse != NULL)
553 gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->tsparse);
554 gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc);
555 gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->buffer_queue);
556 g_free (dvbbasebin->program_numbers);
557 gst_poll_free (dvbbasebin->poll);
558 gst_object_unref (dvbbasebin->task);
559 g_rec_mutex_clear (&dvbbasebin->lock);
560 dvbbasebin->disposed = TRUE;
563 if (G_OBJECT_CLASS (parent_class)->dispose)
564 G_OBJECT_CLASS (parent_class)->dispose (object);
568 dvb_base_bin_finalize (GObject * object)
570 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
572 g_hash_table_destroy (dvbbasebin->streams);
573 g_hash_table_destroy (dvbbasebin->programs);
574 g_list_free (dvbbasebin->pmtlist);
576 if (G_OBJECT_CLASS (parent_class)->finalize)
577 G_OBJECT_CLASS (parent_class)->finalize (object);
581 dvb_base_bin_set_program_numbers (DvbBaseBin * dvbbasebin, const gchar * pn)
583 gchar **strv, **walk;
584 DvbBaseBinProgram *program;
586 /* Split up and update programs */
587 strv = g_strsplit (pn, ":", 0);
589 for (walk = strv; *walk; walk++) {
590 gint program_number = strtol (*walk, NULL, 0);
592 program = dvb_base_bin_get_program (dvbbasebin, program_number);
593 if (program == NULL) {
594 program = dvb_base_bin_add_program (dvbbasebin, program_number);
595 program->selected = TRUE;
601 /* FIXME : Deactivate programs no longer selected */
603 g_free (dvbbasebin->program_numbers);
604 dvbbasebin->program_numbers = g_strdup (pn);
607 dvb_base_bin_deactivate_program (dvbbasebin, NULL);
611 dvb_base_bin_set_property (GObject * object, guint prop_id,
612 const GValue * value, GParamSpec * pspec)
614 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
618 case PROP_DISEQC_SRC:
622 case PROP_SYMBOL_RATE:
624 case PROP_CODE_RATE_HP:
625 case PROP_CODE_RATE_LP:
627 case PROP_MODULATION:
628 case PROP_TRANS_MODE:
631 case PROP_STATS_REPORTING_INTERVAL:
632 case PROP_TUNING_TIMEOUT:
637 case PROP_BANDWIDTH_HZ:
638 case PROP_ISDBT_LAYER_ENABLED:
639 case PROP_ISDBT_PARTIAL_RECEPTION:
640 case PROP_ISDBT_SOUND_BROADCASTING:
641 case PROP_ISDBT_SB_SUBCHANNEL_ID:
642 case PROP_ISDBT_SB_SEGMENT_IDX:
643 case PROP_ISDBT_SB_SEGMENT_COUNT:
644 case PROP_ISDBT_LAYERA_FEC:
645 case PROP_ISDBT_LAYERA_MODULATION:
646 case PROP_ISDBT_LAYERA_SEGMENT_COUNT:
647 case PROP_ISDBT_LAYERA_TIME_INTERLEAVING:
648 case PROP_ISDBT_LAYERB_FEC:
649 case PROP_ISDBT_LAYERB_MODULATION:
650 case PROP_ISDBT_LAYERB_SEGMENT_COUNT:
651 case PROP_ISDBT_LAYERB_TIME_INTERLEAVING:
652 case PROP_ISDBT_LAYERC_FEC:
653 case PROP_ISDBT_LAYERC_MODULATION:
654 case PROP_ISDBT_LAYERC_SEGMENT_COUNT:
655 case PROP_ISDBT_LAYERC_TIME_INTERLEAVING:
659 case PROP_INTERLEAVING:
660 /* FIXME: check if we can tune (state < PLAYING || program-numbers == "") */
661 g_object_set_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
663 case PROP_PROGRAM_NUMBERS:
664 dvb_base_bin_set_program_numbers (dvbbasebin, g_value_get_string (value));
667 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
672 dvb_base_bin_get_property (GObject * object, guint prop_id,
673 GValue * value, GParamSpec * pspec)
675 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
680 case PROP_DISEQC_SRC:
683 case PROP_SYMBOL_RATE:
685 case PROP_CODE_RATE_HP:
686 case PROP_CODE_RATE_LP:
688 case PROP_MODULATION:
689 case PROP_TRANS_MODE:
692 case PROP_STATS_REPORTING_INTERVAL:
693 case PROP_TUNING_TIMEOUT:
698 case PROP_BANDWIDTH_HZ:
699 case PROP_ISDBT_LAYER_ENABLED:
700 case PROP_ISDBT_PARTIAL_RECEPTION:
701 case PROP_ISDBT_SOUND_BROADCASTING:
702 case PROP_ISDBT_SB_SUBCHANNEL_ID:
703 case PROP_ISDBT_SB_SEGMENT_IDX:
704 case PROP_ISDBT_SB_SEGMENT_COUNT:
705 case PROP_ISDBT_LAYERA_FEC:
706 case PROP_ISDBT_LAYERA_MODULATION:
707 case PROP_ISDBT_LAYERA_SEGMENT_COUNT:
708 case PROP_ISDBT_LAYERA_TIME_INTERLEAVING:
709 case PROP_ISDBT_LAYERB_FEC:
710 case PROP_ISDBT_LAYERB_MODULATION:
711 case PROP_ISDBT_LAYERB_SEGMENT_COUNT:
712 case PROP_ISDBT_LAYERB_TIME_INTERLEAVING:
713 case PROP_ISDBT_LAYERC_FEC:
714 case PROP_ISDBT_LAYERC_MODULATION:
715 case PROP_ISDBT_LAYERC_SEGMENT_COUNT:
716 case PROP_ISDBT_LAYERC_TIME_INTERLEAVING:
720 case PROP_INTERLEAVING:
721 g_object_get_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
723 case PROP_PROGRAM_NUMBERS:
724 g_value_set_string (value, dvbbasebin->program_numbers);
727 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
732 dvb_base_bin_request_new_pad (GstElement * element,
733 GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
735 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (element);
740 GST_DEBUG_OBJECT (dvbbasebin, "New pad requested %s", GST_STR_NULL (name));
742 if (dvbbasebin->tsparse == NULL)
746 name = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
748 pad = gst_element_get_request_pad (dvbbasebin->tsparse, name);
752 pad_name = gst_pad_get_name (pad);
753 ghost = gst_ghost_pad_new (pad_name, pad);
754 gst_object_unref (pad);
756 gst_element_add_pad (element, ghost);
762 dvb_base_bin_release_pad (GstElement * element, GstPad * pad)
767 g_return_if_fail (GST_IS_DVB_BASE_BIN (element));
769 ghost = GST_GHOST_PAD (pad);
770 target = gst_ghost_pad_get_target (ghost);
771 gst_element_release_request_pad (GST_ELEMENT (GST_DVB_BASE_BIN
772 (element)->tsparse), target);
773 gst_object_unref (target);
775 gst_element_remove_pad (element, pad);
779 dvb_base_bin_reset_pmtlist (DvbBaseBin * dvbbasebin)
781 CamConditionalAccessPmtFlag flag;
785 walk = dvbbasebin->pmtlist;
787 if (walk->prev == NULL) {
788 if (walk->next == NULL)
789 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_ONLY;
791 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_FIRST;
793 if (walk->next == NULL)
794 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_LAST;
796 flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_MORE;
799 pmt = (GstMpegtsPMT *) walk->data;
800 cam_device_set_pmt (dvbbasebin->hwcam, pmt, flag);
805 dvbbasebin->pmtlist_changed = FALSE;
809 dvb_base_bin_init_cam (DvbBaseBin * dvbbasebin)
814 g_object_get (dvbbasebin->dvbsrc, "adapter", &adapter, NULL);
815 /* TODO: handle multiple cams */
816 ca_file = g_strdup_printf ("/dev/dvb/adapter%d/ca0", adapter);
817 if (g_file_test (ca_file, G_FILE_TEST_EXISTS)) {
818 dvbbasebin->hwcam = cam_device_new ();
819 /* device_open() can block up to 5s ! */
820 if (!cam_device_open (dvbbasebin->hwcam, ca_file)) {
821 GST_ERROR_OBJECT (dvbbasebin, "could not open %s", ca_file);
822 cam_device_free (dvbbasebin->hwcam);
823 dvbbasebin->hwcam = NULL;
827 dvbbasebin->trycam = FALSE;
832 static GstStateChangeReturn
833 dvb_base_bin_change_state (GstElement * element, GstStateChange transition)
835 DvbBaseBin *dvbbasebin;
836 GstStateChangeReturn ret;
838 dvbbasebin = GST_DVB_BASE_BIN (element);
840 switch (transition) {
841 case GST_STATE_CHANGE_NULL_TO_READY:
842 if (dvbbasebin->tsparse == NULL) {
843 GST_ELEMENT_ERROR (dvbbasebin, CORE, MISSING_PLUGIN, (NULL),
844 ("No 'tsparse' element, check your GStreamer installation."));
845 return GST_STATE_CHANGE_FAILURE;
852 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
854 switch (transition) {
855 case GST_STATE_CHANGE_READY_TO_PAUSED:
856 gst_poll_set_flushing (dvbbasebin->poll, FALSE);
857 g_rec_mutex_lock (&dvbbasebin->lock);
858 gst_task_start (dvbbasebin->task);
859 g_rec_mutex_unlock (&dvbbasebin->lock);
861 case GST_STATE_CHANGE_PAUSED_TO_READY:
862 gst_poll_set_flushing (dvbbasebin->poll, TRUE);
863 g_rec_mutex_lock (&dvbbasebin->lock);
864 gst_task_stop (dvbbasebin->task);
865 g_rec_mutex_unlock (&dvbbasebin->lock);
866 dvb_base_bin_reset (dvbbasebin);
876 foreach_stream_build_filter (gpointer key, gpointer value, gpointer user_data)
878 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (user_data);
879 DvbBaseBinStream *stream = (DvbBaseBinStream *) value;
882 GST_DEBUG ("stream %d usecount %d", stream->pid, stream->usecount);
884 if (stream->usecount > 0) {
885 /* TODO: use g_strjoinv FTW */
886 tmp = dvbbasebin->filter;
887 pid = g_strdup_printf ("%d", stream->pid);
888 dvbbasebin->filter = g_strjoin (":", pid, dvbbasebin->filter, NULL);
896 dvb_base_bin_rebuild_filter (DvbBaseBin * dvbbasebin)
898 g_hash_table_foreach (dvbbasebin->streams,
899 foreach_stream_build_filter, dvbbasebin);
901 if (dvbbasebin->filter == NULL)
902 /* fix dvbsrc to handle NULL filter */
903 dvbbasebin->filter = g_strdup ("");
905 GST_INFO_OBJECT (dvbbasebin, "rebuilt filter %s", dvbbasebin->filter);
907 /* FIXME: find a way to not add unwanted pids controlled by app */
908 g_object_set (dvbbasebin->dvbsrc, "pids", dvbbasebin->filter, NULL);
909 g_free (dvbbasebin->filter);
910 dvbbasebin->filter = NULL;
914 dvb_base_bin_remove_pmt_streams (DvbBaseBin * dvbbasebin,
915 const GstMpegtsPMT * pmt)
918 DvbBaseBinStream *stream;
920 for (i = 0; i < pmt->streams->len; i++) {
921 GstMpegtsPMTStream *pmtstream = g_ptr_array_index (pmt->streams, i);
923 stream = dvb_base_bin_get_stream (dvbbasebin, pmtstream->pid);
924 if (stream == NULL) {
925 GST_WARNING_OBJECT (dvbbasebin, "removing unknown stream %d ??",
930 dvb_base_bin_unref_stream (stream);
935 dvb_base_bin_add_pmt_streams (DvbBaseBin * dvbbasebin, const GstMpegtsPMT * pmt)
937 DvbBaseBinStream *stream;
940 for (i = 0; i < pmt->streams->len; i++) {
941 GstMpegtsPMTStream *pmtstream = g_ptr_array_index (pmt->streams, i);
943 GST_DEBUG ("filtering stream %d stream_type %d", pmtstream->pid,
944 pmtstream->stream_type);
946 stream = dvb_base_bin_get_stream (dvbbasebin, pmtstream->pid);
948 stream = dvb_base_bin_add_stream (dvbbasebin, pmtstream->pid);
949 dvb_base_bin_ref_stream (stream);
954 dvb_base_bin_activate_program (DvbBaseBin * dvbbasebin,
955 DvbBaseBinProgram * program)
957 DvbBaseBinStream *stream;
959 if (program->old_pmt) {
960 dvb_base_bin_remove_pmt_streams (dvbbasebin, program->old_pmt);
961 dvbbasebin->pmtlist = g_list_remove (dvbbasebin->pmtlist, program->old_pmt);
964 /* activate the PMT and PCR streams. If the PCR stream is in the PMT its
965 * usecount will be incremented by 2 here and decremented by 2 when the
966 * program is deactivated */
967 if (!program->pmt_active) {
968 stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
970 stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
971 dvb_base_bin_ref_stream (stream);
972 program->pmt_active = TRUE;
978 old_pcr_pid = program->pcr_pid;
979 program->pcr_pid = program->pmt->pcr_pid;
980 if (old_pcr_pid != G_MAXUINT16 && old_pcr_pid != program->pcr_pid) {
981 dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
985 stream = dvb_base_bin_get_stream (dvbbasebin, program->pcr_pid);
987 stream = dvb_base_bin_add_stream (dvbbasebin, program->pcr_pid);
988 dvb_base_bin_ref_stream (stream);
990 dvb_base_bin_add_pmt_streams (dvbbasebin, program->pmt);
991 dvbbasebin->pmtlist =
992 g_list_append (dvbbasebin->pmtlist, (gpointer) program->pmt);
993 dvbbasebin->pmtlist_changed = TRUE;
994 program->active = TRUE;
997 dvb_base_bin_rebuild_filter (dvbbasebin);
1001 dvb_base_bin_deactivate_program (DvbBaseBin * dvbbasebin,
1002 DvbBaseBinProgram * program)
1004 DvbBaseBinStream *stream;
1006 stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
1007 if (stream != NULL) {
1008 dvb_base_bin_unref_stream (stream);
1011 stream = dvb_base_bin_get_stream (dvbbasebin, program->pcr_pid);
1012 if (stream != NULL) {
1013 dvb_base_bin_unref_stream (stream);
1017 dvb_base_bin_remove_pmt_streams (dvbbasebin, program->pmt);
1018 dvbbasebin->pmtlist = g_list_remove (dvbbasebin->pmtlist, program->pmt);
1019 dvbbasebin->pmtlist_changed = TRUE;
1022 dvb_base_bin_rebuild_filter (dvbbasebin);
1023 program->pmt_active = FALSE;
1024 program->active = FALSE;
1028 dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
1030 DvbBaseBin *dvbbasebin;
1032 dvbbasebin = GST_DVB_BASE_BIN (bin);
1034 /* note: message->src might be a GstPad, so use element cast w/o typecheck */
1035 if (GST_ELEMENT_CAST (message->src) == dvbbasebin->tsparse) {
1036 GstMpegtsSection *section = gst_message_parse_mpegts_section (message);
1039 switch (GST_MPEGTS_SECTION_TYPE (section)) {
1040 case GST_MPEGTS_SECTION_PAT:
1041 dvb_base_bin_pat_info_cb (dvbbasebin, section);
1043 case GST_MPEGTS_SECTION_PMT:
1044 dvb_base_bin_pmt_info_cb (dvbbasebin, section);
1049 gst_mpegts_section_unref (section);
1054 GST_BIN_CLASS (parent_class)->handle_message (bin, message);
1060 dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
1063 DvbBaseBinProgram *program;
1064 DvbBaseBinStream *stream;
1067 gboolean rebuild_filter = FALSE;
1069 if (!(pat = gst_mpegts_section_get_pat (section))) {
1070 GST_WARNING_OBJECT (dvbbasebin, "got invalid PAT");
1074 for (i = 0; i < pat->len; i++) {
1075 GstMpegtsPatProgram *patp = g_ptr_array_index (pat, i);
1077 program = dvb_base_bin_get_program (dvbbasebin, patp->program_number);
1078 if (program == NULL)
1079 program = dvb_base_bin_add_program (dvbbasebin, patp->program_number);
1081 old_pmt_pid = program->pmt_pid;
1082 program->pmt_pid = patp->network_or_program_map_PID;
1084 if (program->selected) {
1086 if (old_pmt_pid != G_MAXUINT16 && old_pmt_pid != program->pmt_pid) {
1087 dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
1091 stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
1093 stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
1095 dvb_base_bin_ref_stream (stream);
1097 rebuild_filter = TRUE;
1100 g_ptr_array_unref (pat);
1103 dvb_base_bin_rebuild_filter (dvbbasebin);
1107 dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
1109 const GstMpegtsPMT *pmt;
1110 DvbBaseBinProgram *program;
1111 guint program_number;
1113 pmt = gst_mpegts_section_get_pmt (section);
1114 if (G_UNLIKELY (pmt == NULL)) {
1115 GST_WARNING_OBJECT (dvbbasebin, "Received invalid PMT");
1119 program_number = section->subtable_extension;
1121 program = dvb_base_bin_get_program (dvbbasebin, program_number);
1122 if (program == NULL) {
1123 GST_WARNING ("got PMT for program %d but program not in PAT",
1125 program = dvb_base_bin_add_program (dvbbasebin, program_number);
1128 program->old_pmt = program->pmt;
1129 program->old_section = program->section;
1131 program->section = gst_mpegts_section_ref (section);
1133 /* activate the program if it's selected and either it's not active or its pmt
1135 if (program->selected && (!program->active || program->old_pmt != NULL))
1136 dvb_base_bin_activate_program (dvbbasebin, program);
1138 if (program->old_pmt) {
1139 gst_mpegts_section_unref (program->old_section);
1140 program->old_pmt = NULL;
1145 dvb_base_bin_uri_get_type (GType type)
1150 static const gchar *const *
1151 dvb_base_bin_uri_get_protocols (GType type)
1153 static const gchar *protocols[] = { "dvb", NULL };
1159 dvb_base_bin_uri_get_uri (GstURIHandler * handler)
1161 return g_strdup ("dvb://");
1165 dvb_base_bin_uri_set_uri (GstURIHandler * handler, const gchar * uri,
1168 DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (handler);
1172 location = gst_uri_get_location (uri);
1174 if (location == NULL)
1177 /* FIXME: here is where we parse channels.conf */
1178 if (!set_properties_for_channel (GST_ELEMENT (dvbbasebin), location, &err))
1179 goto set_properties_failed;
1184 post_error_and_exit:
1186 gst_element_message_full (GST_ELEMENT (dvbbasebin), GST_MESSAGE_ERROR,
1187 err->domain, err->code, g_strdup (err->message), NULL, __FILE__,
1188 GST_FUNCTION, __LINE__);
1189 g_propagate_error (error, err);
1194 g_set_error (&err, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
1195 "No details to DVB URI");
1196 goto post_error_and_exit;
1198 set_properties_failed:
1202 g_set_error (&err, GST_URI_ERROR, GST_URI_ERROR_BAD_REFERENCE,
1203 "Could not find information for channel");
1204 goto post_error_and_exit;
1209 dvb_base_bin_uri_handler_init (gpointer g_iface, gpointer iface_data)
1211 GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
1213 iface->get_type = dvb_base_bin_uri_get_type;
1214 iface->get_protocols = dvb_base_bin_uri_get_protocols;
1215 iface->get_uri = dvb_base_bin_uri_get_uri;
1216 iface->set_uri = dvb_base_bin_uri_set_uri;
1220 gst_dvb_base_bin_plugin_init (GstPlugin * plugin)
1222 GST_DEBUG_CATEGORY_INIT (dvb_base_bin_debug, "dvbbasebin", 0, "DVB bin");
1226 return gst_element_register (plugin, "dvbbasebin",
1227 GST_RANK_NONE, GST_TYPE_DVB_BASE_BIN);
1231 dvb_base_bin_program_destroy (gpointer data)
1233 DvbBaseBinProgram *program;
1235 program = (DvbBaseBinProgram *) data;
1238 program->pmt = NULL;
1239 gst_mpegts_section_unref (program->section);
1246 dvb_base_bin_task (DvbBaseBin * basebin)
1250 GST_DEBUG_OBJECT (basebin, "In task");
1252 /* If we haven't tried to open the cam, try now */
1253 if (G_UNLIKELY (basebin->trycam))
1254 dvb_base_bin_init_cam (basebin);
1256 /* poll with timeout */
1257 pollres = gst_poll_wait (basebin->poll, GST_SECOND / 4);
1259 if (G_UNLIKELY (pollres == -1)) {
1260 gst_task_stop (basebin->task);
1263 if (basebin->hwcam) {
1264 cam_device_poll (basebin->hwcam);
1266 if (basebin->pmtlist_changed) {
1267 if (cam_device_ready (basebin->hwcam)) {
1268 GST_DEBUG_OBJECT (basebin, "pmt list changed");
1269 dvb_base_bin_reset_pmtlist (basebin);
1271 GST_DEBUG_OBJECT (basebin, "pmt list changed but CAM not ready");