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baseparse: fix seek handling

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Allow a few more seek event type combinations, and really use the result
of gst_segment_set_seek to perform the seek.  Also add some debug.
This commit is contained in:
Mark Nauwelaerts 2010-06-15 15:32:34 +02:00 committed by Tim-Philipp Müller
parent 6bd1be78bf
commit a459494097
1 changed files with 25 additions and 16 deletions
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41
gst/audioparsers/gstbaseparse.c
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@ -2046,6 +2046,11 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
gst_event_parse_seek (event, &rate, &format, &flags,
&cur_type, &cur, &stop_type, &stop);
GST_DEBUG_OBJECT (parse, "seek to format %s, "
"start type %d at %" GST_TIME_FORMAT ", end type %d at %"
GST_TIME_FORMAT, gst_format_get_name (format),
cur_type, GST_TIME_ARGS (cur), stop_type, GST_TIME_ARGS (stop));
/* no negative rates yet */
if (rate < 0.0)
goto negative_rate;
@ -2066,17 +2071,33 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
}
}
/* to much estimating going on to support this sensibly,
/* too much estimating going on to support this sensibly,
* and no eos/end-of-segment loop handling either ... */
if (stop_type != GST_SEEK_TYPE_NONE || (flags & GST_SEEK_FLAG_SEGMENT))
if ((stop_type == GST_SEEK_TYPE_SET && stop != GST_CLOCK_TIME_NONE) ||
(stop_type != GST_SEEK_TYPE_NONE && stop_type != GST_SEEK_TYPE_SET) ||
(flags & GST_SEEK_FLAG_SEGMENT))
goto wrong_type;
stop = -1;
/* get flush flag */
flush = flags & GST_SEEK_FLAG_FLUSH;
/* copy segment, we need this because we still need the old
* segment when we close the current segment. */
memcpy (&seeksegment, &parse->segment, sizeof (GstSegment));
GST_DEBUG_OBJECT (parse, "configuring seek");
gst_segment_set_seek (&seeksegment, rate, format, flags,
cur_type, cur, stop_type, stop, &update);
/* figure out the last position we need to play. If it's configured (stop !=
* -1), use that, else we play until the total duration of the file */
if ((stop = seeksegment.stop) == -1)
stop = seeksegment.duration;
dstformat = GST_FORMAT_BYTES;
if (!gst_pad_query_convert (parse->srcpad, format, cur, &dstformat, &seekpos)) {
if (!gst_pad_query_convert (parse->srcpad, format, seeksegment.last_stop,
&dstformat, &seekpos)) {
GST_DEBUG_OBJECT (parse, "conversion failed");
return FALSE;
}
@ -2108,19 +2129,7 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
GST_DEBUG_OBJECT (parse, "stopped streaming at %" G_GINT64_FORMAT,
last_stop);
/* copy segment, we need this because we still need the old
* segment when we close the current segment. */
memcpy (&seeksegment, &parse->segment, sizeof (GstSegment));
GST_DEBUG_OBJECT (parse, "configuring seek");
gst_segment_set_seek (&seeksegment, rate, format, flags,
cur_type, cur, stop_type, stop, &update);
/* figure out the last position we need to play. If it's configured (stop !=
* -1), use that, else we play until the total duration of the file */
if ((stop = seeksegment.stop) == -1)
stop = seeksegment.duration;
/* now commit to new position */
parse->priv->offset = seekpos;
/* prepare for streaming again */