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rtpqdm2depay: Handle gaps in incoming packets.

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Whenever we see a gap, we flush the temporary packets (but not the adapter). If we
had some data temporarily stored it will be outputted (the sound will sound a bit
garbled... but that's how it sounds on MacOSX :)
This commit is contained in:
Edward Hervey 2009-08-03 21:22:48 +02:00
parent 6aff520a24
commit 25c5514fab
2 changed files with 18 additions and 1 deletions
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18
gst/rtp/gstrtpqdmdepay.c
View file

@ -239,6 +239,7 @@ gst_rtp_qdm2_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
{
GstRtpQDM2Depay *rtpqdm2depay;
GstBuffer *outbuf;
guint16 seq;
rtpqdm2depay = GST_RTP_QDM2_DEPAY (depayload);
@ -253,8 +254,20 @@ gst_rtp_qdm2_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
goto bad_packet;
payload = gst_rtp_buffer_get_payload (buf);
seq = gst_rtp_buffer_get_seq (buf);
if (G_UNLIKELY (seq != rtpqdm2depay->nextseq)) {
GST_DEBUG ("GAP in sequence number, Resetting data !");
/* Flush previous data */
flush_data (rtpqdm2depay);
/* And store new timestamp */
rtpqdm2depay->ptimestamp = rtpqdm2depay->timestamp;
rtpqdm2depay->timestamp = GST_BUFFER_TIMESTAMP (buf);
/* And that previous data will be pushed at the bottom */
}
rtpqdm2depay->nextseq = seq + 1;
GST_DEBUG ("Payload size %d 0x%x", payload_len, payload_len);
GST_DEBUG ("Payload size %d 0x%x sequence:%d", payload_len, payload_len,
seq);
GST_MEMDUMP ("Incoming payload", payload, payload_len);
@ -348,8 +361,11 @@ gst_rtp_qdm2_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
avail = gst_adapter_available (rtpqdm2depay->adapter);
if (G_UNLIKELY (avail)) {
GST_DEBUG ("Pushing out %d bytes of collected data");
outbuf = gst_adapter_take_buffer (rtpqdm2depay->adapter, avail);
GST_BUFFER_TIMESTAMP (outbuf) = rtpqdm2depay->ptimestamp;
GST_DEBUG ("Outgoing buffer timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (rtpqdm2depay->ptimestamp));
return outbuf;
}
}

1
gst/rtp/gstrtpqdmdepay.h
View file

@ -53,6 +53,7 @@ struct _GstRtpQDM2Depay
GstAdapter *adapter;
guint16 nextseq;
gboolean configured;
GstClockTime timestamp; /* Timestamp of current incoming data */