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mpegts: Add support for content descriptor

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=724034
This commit is contained in:
Stefan Ringel 2014-02-16 10:45:21 +01:00 committed by Sebastian Dröge
parent 792fc1cf01
commit beb31d127b
2 changed files with 51 additions and 0 deletions
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39
gst-libs/gst/mpegts/gst-dvb-descriptor.c
View file

@ -590,6 +590,45 @@ gst_mpegts_descriptor_parse_dvb_component (const GstMpegTsDescriptor
return TRUE; return TRUE;
} }
/* GST_MTS_DESC_DVB_CONTENT (0x54) */
/**
* gst_mpegts_descriptor_parse_dvb_content:
* @descriptor: a %GST_MTS_DESC_DVB_CONTENT #GstMpegTsDescriptor
* @content: (out) (transfer none) (element-type GstMpegTsContent): #GstMpegTsContent
*
* Extracts the DVB content information from @descriptor:
*
* Returns: %TRUE if the parsing happened correctly, else %FALSE.
*/
gboolean
gst_mpegts_descriptor_parse_dvb_content (const GstMpegTsDescriptor
* descriptor, GPtrArray ** content)
{
guint8 *data;
guint8 len, tmp;
g_return_val_if_fail (descriptor != NULL && descriptor->data != NULL, FALSE);
g_return_val_if_fail (descriptor->tag == GST_MTS_DESC_DVB_CONTENT, FALSE);
data = (guint8 *) descriptor->data + 2;
len = descriptor->length;
*content = g_ptr_array_new ();
for (guint8 i = 0; i < len;) {
GstMpegTsContent *cont = malloc (sizeof (GstMpegTsContent));
tmp = *data;
cont->content_nibble_1 = (tmp & 0xf0) >> 4;
cont->content_nibble_2 = tmp & 0x0f;
data += 1;
cont->user_byte = *data;
data += 1;
i += 2;
g_ptr_array_add (*content, cont);
}
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:

12
gst-libs/gst/mpegts/gst-dvb-descriptor.h
View file

@ -342,6 +342,18 @@ gboolean gst_mpegts_descriptor_parse_dvb_component (const GstMpegTsDescriptor *d
gboolean gst_mpegts_descriptor_parse_dvb_stream_identifier (const GstMpegTsDescriptor *descriptor, gboolean gst_mpegts_descriptor_parse_dvb_stream_identifier (const GstMpegTsDescriptor *descriptor,
guint8 *component_tag); guint8 *component_tag);
/* GST_MTS_DESC_DVB_CONTENT (0x54) */
typedef struct _GstMpegTsContent GstMpegTsContent;
struct _GstMpegTsContent
{
guint8 content_nibble_1;
guint8 content_nibble_2;
guint8 user_byte;
};
gboolean gst_mpegts_descriptor_parse_dvb_content (const GstMpegTsDescriptor *
descriptor, GPtrArray ** content);
/* GST_MTS_DESC_DVB_TELETEXT (0x56) */ /* GST_MTS_DESC_DVB_TELETEXT (0x56) */
/** /**
* GstMpegTsDVBTeletextType: * GstMpegTsDVBTeletextType: