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ext/ogg/gstoggdemux.c: Add some FIXMEs.

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Original commit message from CVS:
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_submit_packet),
(gst_ogg_demux_activate_chain), (gst_ogg_demux_perform_seek),
(gst_ogg_demux_handle_page):
Add some FIXMEs.
Fix chain start/stop segment handling based on patch by
<ahalda at cs dot mcgill dot ca> see #320984.
This commit is contained in:
Wim Taymans 2007-05-15 16:46:10 +00:00
parent 171fb33da4
commit 8b90454ed7
2 changed files with 57 additions and 36 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2007-05-15 Wim Taymans <wim@fluendo.com>
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_submit_packet),
(gst_ogg_demux_activate_chain), (gst_ogg_demux_perform_seek),
(gst_ogg_demux_handle_page):
Add some FIXMEs.
Fix chain start/stop segment handling based on patch by
<ahalda at cs dot mcgill dot ca> see #320984.
2007-05-15 Michael Smith <msmith@fluendo.com>
* configure.ac:

84
ext/ogg/gstoggdemux.c
View file

@ -1027,39 +1027,18 @@ gst_ogg_pad_submit_packet (GstOggPad * pad, ogg_packet * packet)
* when all streams have a valid start time. */
if (gst_ogg_demux_collect_chain_info (ogg, chain)) {
GstEvent *event;
GstClockTime segment_start, segment_stop, segment_time;
GST_DEBUG_OBJECT (ogg, "chain->begin_time: %" GST_TIME_FORMAT,
GST_TIME_ARGS (chain->begin_time));
GST_DEBUG_OBJECT (ogg, "chain->segment_start: %" GST_TIME_FORMAT,
GST_TIME_ARGS (chain->segment_start));
GST_DEBUG_OBJECT (ogg, "chain->segment_stop: %" GST_TIME_FORMAT,
GST_TIME_ARGS (chain->segment_stop));
if (chain->begin_time != GST_CLOCK_TIME_NONE) {
segment_time = chain->begin_time;
segment_start = chain->segment_start - chain->begin_time;
if (chain->segment_stop != GST_CLOCK_TIME_NONE) {
segment_stop = chain->segment_stop - chain->begin_time;
} else {
segment_stop = GST_CLOCK_TIME_NONE;
}
} else {
segment_start = chain->segment_start;
segment_stop = chain->segment_stop;
segment_time = 0;
}
GST_DEBUG_OBJECT (ogg, "segment_start: %" GST_TIME_FORMAT,
GST_TIME_ARGS (segment_start));
GST_TIME_ARGS (chain->segment_start));
GST_DEBUG_OBJECT (ogg, "segment_stop: %" GST_TIME_FORMAT,
GST_TIME_ARGS (segment_stop));
GST_TIME_ARGS (chain->segment_stop));
GST_DEBUG_OBJECT (ogg, "segment_time: %" GST_TIME_FORMAT,
GST_TIME_ARGS (segment_time));
GST_TIME_ARGS (chain->begin_time));
/* create the newsegment event we are going to send out */
event = gst_event_new_new_segment (FALSE, ogg->segment.rate,
GST_FORMAT_TIME, segment_start, segment_stop, segment_time);
GST_FORMAT_TIME, chain->segment_start, chain->segment_stop,
chain->begin_time);
gst_ogg_demux_activate_chain (ogg, chain, event);
@ -1819,6 +1798,7 @@ gst_ogg_demux_activate_chain (GstOggDemux * ogg, GstOggChain * chain,
gst_element_no_more_pads (GST_ELEMENT (ogg));
ogg->current_chain = chain;
/* FIXME, must be sent from the streaming thread */
if (event)
gst_ogg_demux_send_event (ogg, event);
@ -2107,7 +2087,7 @@ gst_ogg_demux_perform_seek (GstOggDemux * ogg, GstEvent * event)
GST_FORMAT_TIME, ogg->segment.start + chain->segment_start,
ogg->segment.last_stop + chain->segment_start, ogg->segment.time);
/* send segment on old chain */
/* send segment on old chain, FIXME, must be sent from streaming thread. */
gst_ogg_demux_send_event (ogg, newseg);
}
}
@ -2152,22 +2132,41 @@ gst_ogg_demux_perform_seek (GstOggDemux * ogg, GstEvent * event)
GstEvent *event;
gint64 stop;
gint64 start;
gint64 last_stop;
gint64 last_stop, begin_time;
/* we have to send the flush to the old chain, not the new one */
if (flush)
gst_ogg_demux_send_event (ogg, gst_event_new_flush_stop ());
if ((stop = ogg->segment.stop) == -1)
stop = ogg->segment.duration;
if (stop != -1)
stop += chain->segment_start;
/* we need this to see how far inside the chain we need to start */
if (chain->begin_time != GST_CLOCK_TIME_NONE)
begin_time = chain->begin_time;
else
begin_time = 0;
start = ogg->segment.start;
/* segment.start gives the start over all chains, we calculate the amount
* of time into this chain we need to start */
start = ogg->segment.start - begin_time;
if (chain->segment_start != GST_CLOCK_TIME_NONE)
start += chain->segment_start;
last_stop = ogg->segment.last_stop;
if ((stop = ogg->segment.stop) == -1)
stop = ogg->segment.duration;
/* segment.stop gives the stop time over all chains, calculate the amount of
* time we need to stop in this chain */
if (stop != -1) {
if (stop > begin_time)
stop -= begin_time;
else
stop = 0;
stop += chain->segment_start;
/* we must stop when this chain ends and switch to the next chain to play
* the remainder of the segment. */
stop = MIN (stop, chain->segment_stop);
}
last_stop = ogg->segment.last_stop - begin_time;
if (chain->segment_start != GST_CLOCK_TIME_NONE)
last_stop += chain->segment_start;
@ -2731,8 +2730,21 @@ gst_ogg_demux_handle_page (GstOggDemux * ogg, ogg_page * page)
/* see if we know about the chain already */
chain = gst_ogg_demux_find_chain (ogg, serialno);
if (chain) {
/* we do, activate it as it means we have a non-header */
gst_ogg_demux_activate_chain (ogg, chain, NULL);
GstEvent *event;
/* create the newsegment event we are going to send out */
event = gst_event_new_new_segment (FALSE, ogg->segment.rate,
GST_FORMAT_TIME, chain->segment_start, chain->segment_stop,
chain->begin_time);
GST_DEBUG_OBJECT (ogg,
"segment: start %" GST_TIME_FORMAT ", stop %" GST_TIME_FORMAT
", time %" GST_TIME_FORMAT, GST_TIME_ARGS (chain->segment_start),
GST_TIME_ARGS (chain->segment_stop),
GST_TIME_ARGS (chain->begin_time));
/* activate it as it means we have a non-header */
gst_ogg_demux_activate_chain (ogg, chain, event);
pad = gst_ogg_demux_find_pad (ogg, serialno);
} else {
GstClockTime chain_time;