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rtpmux: Take the clock-base stored from the last setcaps

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This commit is contained in:
Olivier Crête 2008-08-12 12:46:07 -04:00 committed by Tim-Philipp Müller
parent 674c074114
commit ec63da9366
1 changed files with 8 additions and 31 deletions
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39
gst/rtpmanager/gstrtpmux.c
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@ -339,41 +339,18 @@ gst_rtp_mux_release_pad (GstElement * element, GstPad *pad)
gst_element_remove_pad (element, pad);
}
static guint32
gst_rtp_mux_get_buffer_ts_base (GstRTPMux * rtp_mux, GstBuffer * buffer)
{
GstCaps *caps;
GstStructure *structure;
const GValue *value;
guint32 ts_base;
caps = gst_buffer_get_caps (buffer);
g_return_val_if_fail (caps != NULL, 0);
structure = gst_caps_get_structure (caps, 0);
g_return_val_if_fail (structure != NULL, 0);
value = gst_structure_get_value (structure, "clock-base");
if (value)
ts_base = g_value_get_uint (value);
else
ts_base = 0;
gst_caps_unref (caps);
GST_DEBUG_OBJECT (rtp_mux, "sink's ts-base: %u", ts_base);
return ts_base;
}
/* Put our own clock-base on the buffer */
static void
gst_rtp_mux_readjust_rtp_timestamp (GstRTPMux * rtp_mux, GstBuffer * buffer)
gst_rtp_mux_readjust_rtp_timestamp (GstRTPMux * rtp_mux, GstPad * pad,
GstBuffer * buffer)
{
guint32 ts;
guint32 sink_ts_base;
guint32 sink_ts_base = 0;
GstRTPMuxPadPrivate *padpriv = gst_pad_get_element_private (pad);
if (padpriv->have_base)
sink_ts_base = padpriv->clock_base;
sink_ts_base = gst_rtp_mux_get_buffer_ts_base (rtp_mux, buffer);
ts = gst_rtp_buffer_get_timestamp (buffer) - sink_ts_base + rtp_mux->ts_base;
GST_DEBUG_OBJECT (rtp_mux, "Re-adjusting RTP ts %u to %u",
gst_rtp_buffer_get_timestamp (buffer), ts);
@ -394,7 +371,7 @@ gst_rtp_mux_chain (GstPad * pad, GstBuffer * buffer)
GST_LOG_OBJECT (rtp_mux, "setting RTP seqnum %d", rtp_mux->seqnum);
gst_rtp_buffer_set_seq (buffer, rtp_mux->seqnum);
gst_rtp_buffer_set_ssrc (buffer, rtp_mux->current_ssrc);
gst_rtp_mux_readjust_rtp_timestamp (rtp_mux, buffer);
gst_rtp_mux_readjust_rtp_timestamp (rtp_mux, pad, buffer);
GST_DEBUG_OBJECT (rtp_mux, "Pushing packet size %d, seq=%d, ts=%u",
GST_BUFFER_SIZE (buffer), rtp_mux->seqnum - 1);