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tsbase: parse the mgt and add listed EIT/ETT pids to the known psi

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This will make tsbase also parse the EITs and ETTs from ATSC streams that have
their pids reported on the MGT and post to the bus

https://bugzilla.gnome.org/show_bug.cgi?id=730435
This commit is contained in:
Thiago Santos 2014-05-16 15:39:48 -03:00 committed by Edward Hervey
parent 9eed28d353
commit 32d8022820
1 changed files with 28 additions and 0 deletions
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28
gst/mpegtsdemux/mpegtsbase.c
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@ -88,6 +88,8 @@ static GstStateChangeReturn mpegts_base_change_state (GstElement * element,
GstStateChange transition);
static gboolean mpegts_base_get_tags_from_eit (MpegTSBase * base,
GstMpegTsSection * section);
static gboolean mpegts_base_parse_atsc_mgt (MpegTSBase * base,
GstMpegTsSection * section);
static gboolean remove_each_program (gpointer key, MpegTSBaseProgram * program,
MpegTSBase * base);
@ -915,6 +917,9 @@ mpegts_base_handle_psi (MpegTSBase * base, GstMpegTsSection * section)
/* some tag xtraction + posting */
post_message = mpegts_base_get_tags_from_eit (base, section);
break;
case GST_MPEGTS_SECTION_ATSC_MGT:
post_message = mpegts_base_parse_atsc_mgt (base, section);
break;
default:
break;
}
@ -926,6 +931,29 @@ mpegts_base_handle_psi (MpegTSBase * base, GstMpegTsSection * section)
gst_mpegts_section_unref (section);
}
static gboolean
mpegts_base_parse_atsc_mgt (MpegTSBase * base, GstMpegTsSection * section)
{
const GstMpegTsAtscMGT *mgt;
gint i;
mgt = gst_mpegts_section_get_atsc_mgt (section);
if (G_UNLIKELY (mgt == NULL))
return FALSE;
for (i = 0; i < mgt->tables->len; ++i) {
GstMpegTsAtscMGTTable *table = g_ptr_array_index (mgt->tables, i);
if ((table->table_type >= GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_EIT0 &&
table->table_type <= GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_EIT127) ||
(table->table_type >= GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_ETT0 &&
table->table_type <= GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_ETT127)) {
MPEGTS_BIT_SET (base->known_psi, table->pid);
}
}
return TRUE;
}
static gboolean
mpegts_base_get_tags_from_eit (MpegTSBase * base, GstMpegTsSection * section)