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mpegts: add scrambling descriptor

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=727560
This commit is contained in:
Stefan Ringel 2014-04-10 16:03:07 +02:00 committed by Sebastian Dröge
parent e535967ee9
commit 0c773b8cdd
3 changed files with 53 additions and 0 deletions
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3
docs/libs/gst-plugins-bad-libs-sections.txt
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@ -307,6 +307,9 @@ gst_mpegts_descriptor_parse_dvb_frequency_list
<SUBSECTION data_broadcast> <SUBSECTION data_broadcast>
GstMpegTsDataBroadcastDescriptor GstMpegTsDataBroadcastDescriptor
gst_mpegts_descriptor_parse_dvb_data_broadcast gst_mpegts_descriptor_parse_dvb_data_broadcast
<SUBSECTION scrambling>
GstMpegTsDvbScramblingModeType
gst_mpegts_descriptor_parse_dvb_scrambling
<SUBSECTION data_broadcast_id> <SUBSECTION data_broadcast_id>
gst_mpegts_descriptor_parse_dvb_data_broadcast_id gst_mpegts_descriptor_parse_dvb_data_broadcast_id
<SUBSECTION parental_rating> <SUBSECTION parental_rating>

31
gst-libs/gst/mpegts/gst-dvb-descriptor.c
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@ -1386,6 +1386,37 @@ gst_mpegts_descriptor_parse_dvb_data_broadcast (const GstMpegTsDescriptor
return TRUE; return TRUE;
} }
/* GST_MTS_DESC_DVB_SCRAMBLING (0x65) */
/**
* gst_mpegts_descriptor_parse_dvb_scrambling:
* @descriptor: a %GST_MTS_DESC_DVB_SCRAMBLING #GstMpegTsDescriptor
* @scrambling_mode: (out): This 8-bit field identifies the selected
* mode of the scrambling algorithm (#GstMpegTsDVBScramblingModeType).
* The technical details of the scrambling algorithm are available only
* to bona-fide users upon signature of a Non Disclosure Agreement (NDA)
* administered by the DVB Common Scrambling Algorithm Custodian.
*
* Parses out the scrambling mode from the @descriptor.
*
* Returns: %TRUE if the parsing happened correctly, else %FALSE.
*/
gboolean
gst_mpegts_descriptor_parse_dvb_scrambling (const GstMpegTsDescriptor *
descriptor, GstMpegTsDVBScramblingModeType * scrambling_mode)
{
guint8 *data;
g_return_val_if_fail (descriptor != NULL && scrambling_mode != NULL, FALSE);
__common_desc_checks_exact (descriptor, GST_MTS_DESC_DVB_SCRAMBLING, 1,
FALSE);
data = (guint8 *) descriptor->data + 2;
*scrambling_mode = *data;
return TRUE;
}
/* GST_MTS_DESC_DVB_DATA_BROADCAST_ID (0x66) */ /* GST_MTS_DESC_DVB_DATA_BROADCAST_ID (0x66) */
/** /**
* gst_mpegts_descriptor_parse_dvb_data_broadcast_id: * gst_mpegts_descriptor_parse_dvb_data_broadcast_id:

19
gst-libs/gst/mpegts/gst-dvb-descriptor.h
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@ -658,6 +658,25 @@ struct _GstMpegTsDataBroadcastDescriptor
gboolean gst_mpegts_descriptor_parse_dvb_data_broadcast (const GstMpegTsDescriptor gboolean gst_mpegts_descriptor_parse_dvb_data_broadcast (const GstMpegTsDescriptor
*descriptor, GstMpegTsDataBroadcastDescriptor * res); *descriptor, GstMpegTsDataBroadcastDescriptor * res);
/* GST_MTS_DESC_DVB_SCRAMBLING (0x65) */
typedef enum
{
GST_MPEGTS_DVB_SCRAMBLING_MODE_RESERVED = 0x00,
GST_MPEGTS_DVB_SCRAMBLING_MODE_CSA1 = 0x01,
GST_MPEGTS_DVB_SCRAMBLING_MODE_CSA2 = 0x02,
GST_MPEGTS_DVB_SCRAMBLING_MODE_CSA3_STANDARD = 0x03,
GST_MPEGTS_DVB_SCRAMBLING_MODE_CSA3_MINIMAL_ENHANCED = 0x04,
GST_MPEGTS_DVB_SCRAMBLING_MODE_CSA3_FULL_ENHANCED = 0x05,
/* 0x06 - 0x0f reserved for future use */
GST_MPEGTS_DVB_SCRAMBLING_MODE_CISSA = 0x10,
/* 0x11 - 0x1f reserved for future DVB-CISSA versions */
GST_MPEGTS_DVB_SCRAMBLING_MODE_ATIS_0 = 0x70,
GST_MPEGTS_DVB_SCRAMBLING_MODE_ATIS_F = 0x7f,
} GstMpegTsDVBScramblingModeType;
gboolean gst_mpegts_descriptor_parse_dvb_scrambling (const GstMpegTsDescriptor * descriptor,
GstMpegTsDVBScramblingModeType * scrambling_mode);
/* GST_MTS_DESC_DVB_DATA_BROADCAST_ID (0x66) */ /* GST_MTS_DESC_DVB_DATA_BROADCAST_ID (0x66) */
gboolean gst_mpegts_descriptor_parse_dvb_data_broadcast_id (const GstMpegTsDescriptor gboolean gst_mpegts_descriptor_parse_dvb_data_broadcast_id (const GstMpegTsDescriptor
* descriptor, guint16 * data_broadcast_id, guint8 ** id_selector_bytes, guint8 * len); * descriptor, guint16 * data_broadcast_id, guint8 ** id_selector_bytes, guint8 * len);