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mpegts: Add support for component descriptor

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=724034
This commit is contained in:
Stefan Ringel 2014-02-16 10:44:55 +01:00 committed by Sebastian Dröge
parent 347ac5fbd7
commit 792fc1cf01
1 changed files with 43 additions and 1 deletions
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44
gst-libs/gst/mpegts/gst-dvb-descriptor.c
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@ -46,7 +46,6 @@
* * GST_MTS_DESC_DVB_DATA_BROADCAST * * GST_MTS_DESC_DVB_DATA_BROADCAST
* * GST_MTS_DESC_DVB_CAROUSEL_IDENTIFIER * * GST_MTS_DESC_DVB_CAROUSEL_IDENTIFIER
* * GST_MTS_DESC_DVB_STREAM_IDENTIFIER * * GST_MTS_DESC_DVB_STREAM_IDENTIFIER
* * GST_MTS_DESC_DVB_COMPONENT
* * GST_MTS_DESC_DVB_FREQUENCY_LIST * * GST_MTS_DESC_DVB_FREQUENCY_LIST
*/ */
@ -548,6 +547,49 @@ gst_mpegts_descriptor_parse_dvb_extended_event (const GstMpegTsDescriptor
return TRUE; return TRUE;
} }
/* GST_MTS_DESC_DVB_COMPONENT (0x50) */
/**
* gst_mpegts_descriptor_parse_dvb_component:
* @descriptor: a %GST_MTS_DESC_DVB_COMPONENT #GstMpegTsDescriptor
* @res: (out) (transfer none): the #GstMpegTsComponentDescriptor to fill
*
* Extracts the DVB component information from @descriptor.
*
* Returns: %TRUE if parsing succeeded, else %FALSE.
*/
gboolean
gst_mpegts_descriptor_parse_dvb_component (const GstMpegTsDescriptor
* descriptor, GstMpegTsComponentDescriptor * res)
{
guint8 *data;
guint8 len;
g_return_val_if_fail (descriptor != NULL && descriptor->data != NULL, FALSE);
g_return_val_if_fail (res != NULL, FALSE);
g_return_val_if_fail (descriptor->tag == GST_MTS_DESC_DVB_COMPONENT, FALSE);
data = (guint8 *) descriptor->data + 2;
res->stream_content = *data & 0x0f;
data += 1;
res->component_type = *data;
data += 1;
res->component_tag = *data;
data += 1;
memcpy (data, res->language_code, 3);
data += 3;
len = descriptor->length - 6;
if (len)
res->text = get_encoding_and_convert ((const gchar *) data, len);
return TRUE;
}
/* GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM (0x5A) */ /* GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM (0x5A) */
/** /**
* gst_mpegts_descriptor_parse_dvb_terrestrial_delivary_system: * gst_mpegts_descriptor_parse_dvb_terrestrial_delivary_system: