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avidemux: add some check and standardized seek event handling in push mode

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This commit is contained in:
Mark Nauwelaerts 2010-03-09 18:06:52 +01:00
parent d90aed1857
commit 3a1a140e2d
1 changed files with 14 additions and 1 deletions
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15
gst/avi/gstavidemux.c
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@ -4143,6 +4143,8 @@ avi_demux_handle_seek_push (GstAviDemux * avi, GstPad * pad, GstEvent * event)
guint index; guint index;
guint n, str_num; guint n, str_num;
guint64 min_offset; guint64 min_offset;
GstSegment seeksegment;
gboolean update;
/* check we have the index */ /* check we have the index */
if (!avi->have_index) { if (!avi->have_index) {
@ -4171,13 +4173,24 @@ avi_demux_handle_seek_push (GstAviDemux * avi, GstPad * pad, GstEvent * event)
format = fmt; format = fmt;
} }
/* let gst_segment handle any tricky stuff */
GST_DEBUG_OBJECT (avi, "configuring seek");
memcpy (&seeksegment, &avi->segment, sizeof (GstSegment));
gst_segment_set_seek (&seeksegment, rate, format, flags,
cur_type, cur, stop_type, stop, &update);
keyframe = !!(flags & GST_SEEK_FLAG_KEY_UNIT); keyframe = !!(flags & GST_SEEK_FLAG_KEY_UNIT);
cur = seeksegment.last_stop;
GST_DEBUG_OBJECT (avi, GST_DEBUG_OBJECT (avi,
"Seek requested: ts %" GST_TIME_FORMAT " stop %" GST_TIME_FORMAT "Seek requested: ts %" GST_TIME_FORMAT " stop %" GST_TIME_FORMAT
", kf %u, rate %lf", GST_TIME_ARGS (cur), GST_TIME_ARGS (stop), keyframe, ", kf %u, rate %lf", GST_TIME_ARGS (cur), GST_TIME_ARGS (stop), keyframe,
rate); rate);
/* FIXME: can we do anything with rate!=1.0 */
if (rate < 0) {
GST_DEBUG_OBJECT (avi, "negative rate seek not supported in push mode");
return FALSE;
}
/* FIXME, this code assumes the main stream with keyframes is stream 0, /* FIXME, this code assumes the main stream with keyframes is stream 0,
* which is mostly correct... */ * which is mostly correct... */