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rtpbasepay: add support for DTS and PTS

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This commit is contained in:
Wim Taymans 2012-03-13 18:15:04 +01:00
parent 867e635cde
commit 37e940df83
1 changed files with 15 additions and 11 deletions
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26
gst-libs/gst/rtp/gstrtpbasepayload.c
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@ -724,7 +724,8 @@ typedef struct
guint32 ssrc;
guint16 seqnum;
guint8 pt;
GstClockTime timestamp;
GstClockTime dts;
GstClockTime pts;
guint64 offset;
guint32 rtptime;
} HeaderData;
@ -733,12 +734,13 @@ static gboolean
find_timestamp (GstBuffer ** buffer, guint idx, gpointer user_data)
{
HeaderData *data = user_data;
data->timestamp = GST_BUFFER_TIMESTAMP (*buffer);
data->dts = GST_BUFFER_DTS (*buffer);
data->pts = GST_BUFFER_PTS (*buffer);
data->offset = GST_BUFFER_OFFSET (*buffer);
/* stop when we find a timestamp. We take whatever offset is associated with
* the timestamp (if any) to do perfect timestamps when we need to. */
if (data->timestamp != -1)
if (data->pts != -1)
return FALSE;
else
return TRUE;
@ -789,11 +791,13 @@ gst_rtp_base_payload_prepare_push (GstRTPBasePayload * payload,
/* find the first buffer with a timestamp */
if (is_list) {
data.timestamp = -1;
data.dts = -1;
data.pts = -1;
data.offset = GST_BUFFER_OFFSET_NONE;
gst_buffer_list_foreach (GST_BUFFER_LIST_CAST (obj), find_timestamp, &data);
} else {
data.timestamp = GST_BUFFER_TIMESTAMP (GST_BUFFER_CAST (obj));
data.dts = GST_BUFFER_DTS (GST_BUFFER_CAST (obj));
data.pts = GST_BUFFER_PTS (GST_BUFFER_CAST (obj));
data.offset = GST_BUFFER_OFFSET (GST_BUFFER_CAST (obj));
}
@ -805,15 +809,15 @@ gst_rtp_base_payload_prepare_push (GstRTPBasePayload * payload,
data.offset - priv->base_offset;
GST_LOG_OBJECT (payload,
"Using offset %" G_GUINT64_FORMAT " for RTP timestamp", data.offset);
} else if (GST_CLOCK_TIME_IS_VALID (data.timestamp)) {
} else if (GST_CLOCK_TIME_IS_VALID (data.pts)) {
gint64 rtime;
/* no offset, use the gstreamer timestamp */
/* no offset, use the gstreamer pts */
rtime = gst_segment_to_running_time (&payload->segment, GST_FORMAT_TIME,
data.timestamp);
data.pts);
if (rtime == -1) {
GST_LOG_OBJECT (payload, "Clipped timestamp, using base RTP timestamp");
GST_LOG_OBJECT (payload, "Clipped pts, using base RTP timestamp");
rtime = 0;
} else {
GST_LOG_OBJECT (payload,
@ -845,9 +849,9 @@ gst_rtp_base_payload_prepare_push (GstRTPBasePayload * payload,
payload->timestamp = data.rtptime;
GST_LOG_OBJECT (payload, "Preparing to push packet with size %"
G_GSIZE_FORMAT ", seq=%d, rtptime=%u, timestamp %" GST_TIME_FORMAT,
G_GSIZE_FORMAT ", seq=%d, rtptime=%u, pts %" GST_TIME_FORMAT,
(is_list) ? -1 : gst_buffer_get_size (GST_BUFFER (obj)),
payload->seqnum, data.rtptime, GST_TIME_ARGS (data.timestamp));
payload->seqnum, data.rtptime, GST_TIME_ARGS (data.pts));
if (g_atomic_int_compare_and_exchange (&payload->
priv->notified_first_timestamp, 1, 0)) {