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multipartmux: Use PTS and DTS instead of timestamp

Browse source 
And pass-through both of them.

Based on a patch by Göran Jönsson <goranjn@axis.com>

https://bugzilla.gnome.org/show_bug.cgi?id=767900
This commit is contained in:
Mats Lindestam 2016-07-08 14:56:30 +02:00 committed by Sebastian Dröge
parent 187d8acd5e
commit 6fe88d8a76
2 changed files with 40 additions and 17 deletions
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53
gst/multipart/multipartmux.c
View file

@ -310,13 +310,20 @@ gst_multipart_mux_compare_pads (GstMultipartMux * multipart_mux,
if (new == NULL || new->buffer == NULL)
return -1;
if (GST_CLOCK_TIME_IS_VALID (old->dts_timestamp) &&
GST_CLOCK_TIME_IS_VALID (new->dts_timestamp)) {
oldtime = old->dts_timestamp;
newtime = new->dts_timestamp;
} else {
oldtime = old->pts_timestamp;
newtime = new->pts_timestamp;
}
/* no timestamp on old buffer, it must go first */
oldtime = old->timestamp;
if (oldtime == GST_CLOCK_TIME_NONE)
return -1;
/* no timestamp on new buffer, it must go first */
newtime = new->timestamp;
if (newtime == GST_CLOCK_TIME_NONE)
return 1;
@ -355,14 +362,22 @@ gst_multipart_mux_queue_pads (GstMultipartMux * mux)
buf = gst_collect_pads_pop (mux->collect, data);
/* Store timestamp with segment_start and preroll */
if (buf && GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
pad->timestamp =
/* Store timestamps with segment_start and preroll */
if (buf && GST_BUFFER_PTS_IS_VALID (buf)) {
pad->pts_timestamp =
gst_segment_to_running_time (&data->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buf));
GST_BUFFER_PTS (buf));
} else {
pad->timestamp = GST_CLOCK_TIME_NONE;
pad->pts_timestamp = GST_CLOCK_TIME_NONE;
}
if (buf && GST_BUFFER_DTS_IS_VALID (buf)) {
pad->dts_timestamp =
gst_segment_to_running_time (&data->segment, GST_FORMAT_TIME,
GST_BUFFER_DTS (buf));
} else {
pad->dts_timestamp = GST_CLOCK_TIME_NONE;
}
pad->buffer = buf;
}
@ -462,10 +477,13 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
GstClockTime time;
GstSegment segment;
if (best->timestamp != -1)
time = best->timestamp;
else
if (best->dts_timestamp != GST_CLOCK_TIME_NONE) {
time = best->dts_timestamp;
} else if (best->pts_timestamp != GST_CLOCK_TIME_NONE) {
time = best->pts_timestamp;
} else {
time = 0;
}
/* for the segment, we take the first timestamp we see, we don't know the
* length and the position is 0 */
@ -500,9 +518,10 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
gst_buffer_fill (headerbuf, 0, header, headerlen);
g_free (header);
/* the header has the same timestamp as the data buffer (which we will push
/* the header has the same timestamps as the data buffer (which we will push
* below) and has a duration of 0 */
GST_BUFFER_TIMESTAMP (headerbuf) = best->timestamp;
GST_BUFFER_PTS (headerbuf) = best->pts_timestamp;
GST_BUFFER_DTS (headerbuf) = best->dts_timestamp;
GST_BUFFER_DURATION (headerbuf) = 0;
GST_BUFFER_OFFSET (headerbuf) = mux->offset;
mux->offset += headerlen;
@ -521,8 +540,9 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
databuf = gst_buffer_make_writable (best->buffer);
best->buffer = NULL;
/* we need to updated the timestamp to match the running_time */
GST_BUFFER_TIMESTAMP (databuf) = best->timestamp;
/* we need to updated the timestamps to match the running_time */
GST_BUFFER_PTS (databuf) = best->pts_timestamp;
GST_BUFFER_DTS (databuf) = best->dts_timestamp;
GST_BUFFER_OFFSET (databuf) = mux->offset;
mux->offset += gst_buffer_get_size (databuf);
GST_BUFFER_OFFSET_END (databuf) = mux->offset;
@ -539,9 +559,10 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
footerbuf = gst_buffer_new_allocate (NULL, 2, NULL);
gst_buffer_fill (footerbuf, 0, "\r\n", 2);
/* the footer has the same timestamp as the data buffer and has a
/* the footer has the same timestamps as the data buffer and has a
* duration of 0 */
GST_BUFFER_TIMESTAMP (footerbuf) = best->timestamp;
GST_BUFFER_PTS (footerbuf) = best->pts_timestamp;
GST_BUFFER_DTS (footerbuf) = best->dts_timestamp;
GST_BUFFER_DURATION (footerbuf) = 0;
GST_BUFFER_OFFSET (footerbuf) = mux->offset;
mux->offset += 2;

4
gst/multipart/multipartmux.h
View file

@ -45,7 +45,9 @@ typedef struct
GstCollectData collect; /* we extend the CollectData */
GstBuffer *buffer; /* the queued buffer for this pad */
GstClockTime timestamp; /* its timestamp, converted to running_time so that we can
GstClockTime pts_timestamp; /* its pts timestamp, converted to running_time so that we can
correctly sort over multiple segments. */
GstClockTime dts_timestamp; /* its dts timestamp, converted to running_time so that we can
correctly sort over multiple segments. */
GstPad *pad;
}