static void
dvb_base_bin_activate_program (DvbBaseBin * dvbbasebin,
DvbBaseBinProgram * program)
{
DvbBaseBinStream *stream;
if (program->old_pmt) {
dvb_base_bin_remove_pmt_streams (dvbbasebin, program->old_pmt);
dvbbasebin->pmtlist = g_list_remove (dvbbasebin->pmtlist, program->old_pmt);
}
/* activate the PMT and PCR streams. If the PCR stream is in the PMT its
* usecount will be incremented by 2 here and decremented by 2 when the
* program is deactivated */
if (!program->pmt_active) {
stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
if (stream == NULL)
stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
dvb_base_bin_ref_stream (stream);
program->pmt_active = TRUE;
}
if (program->pmt) {
guint16 old_pcr_pid;
old_pcr_pid = program->pcr_pid;
program->pcr_pid = program->pmt->pcr_pid;
if (old_pcr_pid != G_MAXUINT16 && old_pcr_pid != program->pcr_pid) {
dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
old_pcr_pid));
}
stream = dvb_base_bin_get_stream (dvbbasebin, program->pcr_pid);
if (stream == NULL)
stream = dvb_base_bin_add_stream (dvbbasebin, program->pcr_pid);
dvb_base_bin_ref_stream (stream);
dvb_base_bin_add_pmt_streams (dvbbasebin, program->pmt);
dvbbasebin->pmtlist =
g_list_append (dvbbasebin->pmtlist, (gpointer) program->pmt);
dvbbasebin->pmtlist_changed = TRUE;
program->active = TRUE;
}
dvb_base_bin_rebuild_filter (dvbbasebin);
}
static void
dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
{
GPtrArray *pat;
DvbBaseBinProgram *program;
DvbBaseBinStream *stream;
guint old_pmt_pid;
gint i;
gboolean rebuild_filter = FALSE;
if (!(pat = gst_mpegts_section_get_pat (section))) {
GST_WARNING_OBJECT (dvbbasebin, "got invalid PAT");
return;
}
for (i = 0; i < pat->len; i++) {
GstMpegtsPatProgram *patp = g_ptr_array_index (pat, i);
program = dvb_base_bin_get_program (dvbbasebin, patp->program_number);
if (program == NULL)
program = dvb_base_bin_add_program (dvbbasebin, patp->program_number);
old_pmt_pid = program->pmt_pid;
program->pmt_pid = patp->network_or_program_map_PID;
if (program->selected) {
/* PAT update */
if (old_pmt_pid != G_MAXUINT16 && old_pmt_pid != program->pmt_pid) {
dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
old_pmt_pid));
}
stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
if (stream == NULL)
stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
dvb_base_bin_ref_stream (stream);
rebuild_filter = TRUE;
}
}
g_ptr_array_unref (pat);
if (rebuild_filter)
dvb_base_bin_rebuild_filter (dvbbasebin);
}
static void
dvb_base_bin_add_pmt_streams (DvbBaseBin * dvbbasebin, const GstMpegtsPMT * pmt)
{
DvbBaseBinStream *stream;
gint i;
for (i = 0; i < pmt->streams->len; i++) {
GstMpegtsPMTStream *pmtstream = g_ptr_array_index (pmt->streams, i);
GST_DEBUG ("filtering stream %d stream_type %d", pmtstream->pid,
pmtstream->stream_type);
stream = dvb_base_bin_get_stream (dvbbasebin, pmtstream->pid);
if (stream == NULL)
stream = dvb_base_bin_add_stream (dvbbasebin, pmtstream->pid);
dvb_base_bin_ref_stream (stream);
}
}
static void
dvb_base_bin_init (DvbBaseBin * dvbbasebin)
{
DvbBaseBinStream *stream;
GstPad *ghost, *pad;
int i;
dvbbasebin->dvbsrc = gst_element_factory_make ("dvbsrc", NULL);
dvbbasebin->buffer_queue = gst_element_factory_make ("queue", NULL);
dvbbasebin->tsparse = gst_element_factory_make ("tsparse", NULL);
g_object_set (dvbbasebin->buffer_queue, "max-size-buffers", 0,
"max-size-bytes", 0, "max-size-time", (guint64) 0, NULL);
gst_bin_add_many (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc,
dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
gst_element_link_many (dvbbasebin->dvbsrc,
dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
/* Proxy dvbsrc signals */
g_signal_connect (dvbbasebin->dvbsrc, "tuning-start",
G_CALLBACK (tuning_start_signal_cb), dvbbasebin);
g_signal_connect (dvbbasebin->dvbsrc, "tuning-done",
G_CALLBACK (tuning_done_signal_cb), dvbbasebin);
g_signal_connect (dvbbasebin->dvbsrc, "tuning-fail",
G_CALLBACK (tuning_fail_signal_cb), dvbbasebin);
/* Expose tsparse source pad */
if (dvbbasebin->tsparse != NULL) {
pad = gst_element_get_static_pad (dvbbasebin->tsparse, "src");
ghost = gst_ghost_pad_new ("src", pad);
} else {
ghost = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
}
gst_element_add_pad (GST_ELEMENT (dvbbasebin), ghost);
dvbbasebin->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
NULL, dvb_base_bin_program_destroy);
dvbbasebin->streams = g_hash_table_new_full (g_direct_hash, g_direct_equal,
NULL, g_free);
dvbbasebin->pmtlist = NULL;
dvbbasebin->pmtlist_changed = FALSE;
dvbbasebin->disposed = FALSE;
dvb_base_bin_reset (dvbbasebin);
/* add PAT, CAT, NIT, SDT, EIT, TDT to pids filter for dvbsrc */
i = 0;
while (initial_pids[i] >= 0) {
stream = dvb_base_bin_add_stream (dvbbasebin, (guint16) initial_pids[i]);
dvb_base_bin_ref_stream (stream);
i++;
}
dvb_base_bin_rebuild_filter (dvbbasebin);
g_rec_mutex_init (&dvbbasebin->lock);
dvbbasebin->task =
gst_task_new ((GstTaskFunction) dvb_base_bin_task, dvbbasebin, NULL);
gst_task_set_lock (dvbbasebin->task, &dvbbasebin->lock);
dvbbasebin->poll = gst_poll_new_timer ();
}
