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qtmux: Clear edit lists every time we recalculate them

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We recalculate them, so any old information has to be forgotten.
Otherwise we write invalid edit lists when writing headers multiple
times.

https://bugzilla.gnome.org/show_bug.cgi?id=778330
This commit is contained in:
Sebastian Dröge 2017-02-08 17:24:26 +02:00
parent 2849ec2963
commit 1426a55a83
3 changed files with 12 additions and 1 deletions
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9
gst/isomp4/atoms.c
View file

@ -3716,6 +3716,15 @@ atom_edts_add_entry (AtomEDTS * edts, gint index, EditListEntry * entry)
*e = *entry;
}
void
atom_trak_edts_clear (AtomTRAK * trak)
{
if (trak->edts) {
atom_edts_clear (trak->edts);
trak->edts = NULL;
}
}
/*
* Update an entry in this trak edits list, creating it if needed.
* index is the index of the entry to update, or create if it's past the end.

1
gst/isomp4/atoms.h
View file

@ -918,6 +918,7 @@ void atom_trak_add_samples (AtomTRAK * trak, guint32 nsamples, guint
gint64 pts_offset);
void atom_trak_set_elst_entry (AtomTRAK * trak, gint index, guint32 duration,
guint32 media_time, guint32 rate);
void atom_trak_edts_clear (AtomTRAK * trak);
guint32 atom_trak_get_timescale (AtomTRAK *trak);
guint32 atom_trak_get_id (AtomTRAK * trak);
void atom_stbl_add_samples (AtomSTBL * stbl, guint32 nsamples,

3
gst/isomp4/gstqtmux.c
View file

@ -2511,6 +2511,8 @@ gst_qt_mux_update_edit_lists (GstQTMux * qtmux)
GstCollectData *cdata = (GstCollectData *) walk->data;
GstQTPad *qtpad = (GstQTPad *) cdata;
atom_trak_edts_clear (qtpad->trak);
if (GST_CLOCK_TIME_IS_VALID (qtpad->first_ts)) {
guint32 lateness = 0;
guint32 duration = qtpad->trak->tkhd.duration;
@ -2556,7 +2558,6 @@ gst_qt_mux_update_edit_lists (GstQTMux * qtmux)
/* need to add the empty time to the trak duration */
duration += lateness;
qtpad->trak->tkhd.duration = duration;
if (qtpad->tc_trak) {
qtpad->tc_trak->tkhd.duration = duration;