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celtpay: fix queue duration calculations

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Don't blindly add the durations of incomming buffers to the total queued
duration because it might be invalid. Mark the total queued duration invalid
when we receive an invalid incomming timestamp because that's when we lose track
of the total queued duration.

Fixes #618324
This commit is contained in:
Wim Taymans 2010-05-13 11:30:27 +02:00
parent 4cff2e2c67
commit 3e4bc043a5
1 changed files with 15 additions and 3 deletions
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18
gst/rtp/gstrtpceltpay.c
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@ -141,7 +141,16 @@ gst_rtp_celt_pay_add_queued (GstRtpCELTPay * rtpceltpay, GstBuffer * buffer,
g_queue_push_tail (rtpceltpay->queue, buffer);
rtpceltpay->sbytes += ssize;
rtpceltpay->bytes += size;
rtpceltpay->qduration += duration;
/* only add durations when we have a valid previous duration */
if (rtpceltpay->qduration != -1) {
if (duration != -1)
/* only add valid durations */
rtpceltpay->qduration += duration;
else
/* if we add a buffer without valid duration, our total queued duration
* becomes unknown */
rtpceltpay->qduration = -1;
}
}
static gboolean
@ -396,9 +405,12 @@ gst_rtp_celt_pay_handle_buffer (GstBaseRTPPayload * basepayload,
GST_DEBUG_OBJECT (rtpceltpay, "bytes for size %u", ssize);
/* calculate the size and duration of the packet */
/* calculate what the new size and duration would be of the packet */
payload_len = ssize + size + rtpceltpay->bytes + rtpceltpay->sbytes;
packet_dur = rtpceltpay->qduration + duration;
if (rtpceltpay->qduration != -1 && duration != -1)
packet_dur = rtpceltpay->qduration + duration;
else
packet_dur = 0;
packet_len = gst_rtp_buffer_calc_packet_len (payload_len, 0, 0);