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Add method to get RDT flags

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Add a method to get the RDT flags. We need these flags to mark keyframes to
reset the descrambing queue. See #556714.
This commit is contained in:
Wim Taymans 2009-01-26 20:10:36 +01:00
parent 3bcd050fab
commit 9ce447007e
2 changed files with 34 additions and 0 deletions
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32
gst/realmedia/gstrdtbuffer.c
View file

@ -423,3 +423,35 @@ gst_rdt_packet_data_get_timestamp (GstRDTPacket * packet)
return result;
}
guint8
gst_rdt_packet_data_get_flags (GstRDTPacket * packet)
{
guint8 result;
guint header;
gboolean length_included_flag;
guint8 *bufdata;
guint bufsize;
g_return_val_if_fail (packet != NULL, 0);
g_return_val_if_fail (GST_RDT_IS_DATA_TYPE (packet->type), 0);
bufdata = GST_BUFFER_DATA (packet->buffer);
bufsize = GST_BUFFER_SIZE (packet->buffer);
header = packet->offset;
length_included_flag = (bufdata[header] & 0x80) == 0x80;
/* skip seq_no and header bits */
header += 3;
if (length_included_flag) {
/* skip length */
header += 2;
}
/* get flags */
result = bufdata[header];
return result;
}

2
gst/realmedia/gstrdtbuffer.h
View file

@ -109,6 +109,8 @@ gboolean gst_rdt_packet_data_peek_data (GstRDTPacket *packet, guint8
guint16 gst_rdt_packet_data_get_stream_id (GstRDTPacket *packet);
guint32 gst_rdt_packet_data_get_timestamp (GstRDTPacket *packet);
guint8 gst_rdt_packet_data_get_flags (GstRDTPacket * packet);
/* utils */
gint gst_rdt_buffer_compare_seqnum (guint16 seqnum1, guint16 seqnum2);