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mpegts: add parential rating descriptor

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=727403
This commit is contained in:
Stefan Ringel 2014-04-10 15:58:55 +02:00 committed by Sebastian Dröge
parent eb246e2bfd
commit e71c264dbb
3 changed files with 95 additions and 0 deletions
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3
docs/libs/gst-plugins-bad-libs-sections.txt
View file

@ -303,6 +303,9 @@ gst_mpegts_descriptor_parse_dvb_linkage
<SUBSECTION data_broadcast>
GstMpegTsDataBroadcastDescriptor
gst_mpegts_descriptor_parse_dvb_data_broadcast
<SUBSECTION parental_rating>
GstMpegTsDVBParentalRatingItem
gst_mpegts_descriptor_parse_dvb_parental_rating
<SUBSECTION stream_identifier>
gst_mpegts_descriptor_parse_dvb_stream_identifier
<SUBSECTION Standard>

74
gst-libs/gst/mpegts/gst-dvb-descriptor.c
View file

@ -996,6 +996,80 @@ gst_mpegts_descriptor_parse_dvb_content (const GstMpegTsDescriptor
return TRUE;
}
/* GST_MTS_DESC_DVB_PARENTAL_RATING (0x55) */
static void
_gst_mpegts_dvb_parental_rating_item_free (GstMpegTsDVBParentalRatingItem *
item)
{
g_slice_free (GstMpegTsDVBParentalRatingItem, item);
}
/**
* gst_mpegts_descriptor_parse_dvb_parental_rating:
* @descriptor: a %GST_MTS_DESC_DVB_PARENTAL_RATING #GstMpegTsDescriptor
* @rating: (out) (transfer none) (element-type GstMpegTsDVBParentalRatingItem):
* #GstMpegTsDVBParentalRatingItem
*
* Extracts the DVB parental rating information from @descriptor.
*
* Returns: %TRUE if the parsing happened correctly, else %FALSE.
*/
gboolean
gst_mpegts_descriptor_parse_dvb_parental_rating (const GstMpegTsDescriptor
* descriptor, GPtrArray ** rating)
{
guint8 *data;
g_return_val_if_fail (descriptor != NULL && rating != NULL, FALSE);
__common_desc_checks (descriptor, GST_MTS_DESC_DVB_PARENTAL_RATING, 0, FALSE);
data = (guint8 *) descriptor->data + 2;
*rating = g_ptr_array_new_with_free_func ((GDestroyNotify)
_gst_mpegts_dvb_parental_rating_item_free);
for (guint8 i = 0; i < descriptor->length - 3; i += 4) {
GstMpegTsDVBParentalRatingItem *item =
g_slice_new0 (GstMpegTsDVBParentalRatingItem);
g_ptr_array_add (*rating, item);
memcpy (data, item->country_code, 3);
data += 3;
if (g_strcmp0 (item->country_code, "BRA") == 0) {
/* brasil */
switch (*data & 0xf) {
case 1:
item->rating = 6;
break;
case 2:
item->rating = 10;
break;
case 3:
item->rating = 12;
break;
case 4:
item->rating = 14;
break;
case 5:
item->rating = 16;
break;
case 6:
item->rating = 18;
break;
default:
item->rating = 0;
break;
}
} else
item->rating = (*data & 0xf) + 3;
data += 1;
}
return TRUE;
}
/* GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM (0x5A) */
/**
* gst_mpegts_descriptor_parse_terrestrial_delivery_system:

18
gst-libs/gst/mpegts/gst-dvb-descriptor.h
View file

@ -498,6 +498,24 @@ struct _GstMpegTsContent
gboolean gst_mpegts_descriptor_parse_dvb_content (const GstMpegTsDescriptor *
descriptor, GPtrArray ** content);
/* GST_MTS_DESC_DVB_PARENTAL_RATING (0x55) */
typedef struct _GstMpegTsDVBParentalRatingItem GstMpegTsDVBParentalRatingItem;
/**
* GstMpegTsDVBParentalRating:
* @country_code: This 24-bit field identifies a country using the 3-character
* code as specified in ISO 3166
* @rating: the rating age
*/
struct _GstMpegTsDVBParentalRatingItem
{
gchar country_code[3];
guint8 rating;
};
gboolean gst_mpegts_descriptor_parse_dvb_parental_rating (const GstMpegTsDescriptor
* descriptor, GPtrArray ** rating);
/* GST_MTS_DESC_DVB_TELETEXT (0x56) */
/**
* GstMpegTsDVBTeletextType: