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rtpsource: Refactor seqnum comparison code a bit

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This commit is contained in:
Sebastian Dröge 2015-05-18 17:19:31 +03:00
parent 1974b24ef4
commit 54e924332e
1 changed files with 8 additions and 9 deletions
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17
gst/rtpmanager/rtpsource.c
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@ -1013,14 +1013,13 @@ update_receiver_stats (RTPSource * src, RTPPacketInfo * pinfo)
src->curr_probation = src->probation;
}
delta = gst_rtp_buffer_compare_seqnum (stats->max_seq, seqnr);
expected = src->stats.max_seq + 1;
delta = gst_rtp_buffer_compare_seqnum (expected, seqnr);
/* if we are still on probation, check seqnum */
if (src->curr_probation) {
expected = (src->stats.max_seq + 1) & (RTP_SEQ_MOD - 1);
/* when in probation, we require consecutive seqnums */
if (seqnr == expected) {
if (delta == 0) {
/* expected packet */
GST_DEBUG ("probation: seqnr %d == expected %d", seqnr, expected);
src->curr_probation--;
@ -1051,7 +1050,7 @@ update_receiver_stats (RTPSource * src, RTPPacketInfo * pinfo)
/* unexpected seqnum in probation */
goto probation_seqnum;
}
} else if (delta > 0 && delta < RTP_MAX_DROPOUT) {
} else if (delta >= 0 && delta < RTP_MAX_DROPOUT) {
/* in order, with permissible gap */
if (seqnr < stats->max_seq) {
/* sequence number wrapped - count another 64K cycle. */
@ -1070,10 +1069,10 @@ update_receiver_stats (RTPSource * src, RTPPacketInfo * pinfo)
stats->bad_seq = (seqnr + 1) & (RTP_SEQ_MOD - 1);
goto bad_sequence;
}
} else { /* delta <= 0 && delta >= -RTP_MAX_MISORDER */
} else { /* delta < 0 && delta >= -RTP_MAX_MISORDER */
/* duplicate or reordered packet, will be filtered by jitterbuffer. */
GST_WARNING ("duplicate or reordered packet (seqnr %d, max seq %d)", seqnr,
stats->max_seq);
GST_WARNING ("duplicate or reordered packet (seqnr %u, expected %u)", seqnr,
expected);
}
src->stats.octets_received += pinfo->payload_len;
@ -1082,7 +1081,7 @@ update_receiver_stats (RTPSource * src, RTPPacketInfo * pinfo)
/* for the bitrate estimation */
src->bytes_received += pinfo->payload_len;
GST_LOG ("seq %d, PC: %" G_GUINT64_FORMAT ", OC: %" G_GUINT64_FORMAT,
GST_LOG ("seq %u, PC: %" G_GUINT64_FORMAT ", OC: %" G_GUINT64_FORMAT,
seqnr, src->stats.packets_received, src->stats.octets_received);
return TRUE;