Commit 09904e59 authored by Vivia Nikolaidou's avatar Vivia Nikolaidou

qtmux: Allow up to 1% of frame rate for lateness

https://bugzilla.gnome.org/show_bug.cgi?id=797290
parent ee461fb3
......@@ -3495,7 +3495,7 @@ gst_qt_mux_update_edit_lists (GstQTMux * qtmux)
has_gap = (qtpad->first_ts > (qtmux->first_ts + qtpad->dts_adjustment));
if (has_gap) {
GstClockTime diff, trak_lateness;
GstClockTime diff, trak_lateness, one_percent_of_frame_duration = 0;
diff = qtpad->first_ts - (qtmux->first_ts + qtpad->dts_adjustment);
lateness = gst_util_uint64_scale_round (diff,
......@@ -3506,7 +3506,17 @@ gst_qt_mux_update_edit_lists (GstQTMux * qtmux)
trak_lateness = gst_util_uint64_scale (diff,
atom_trak_get_timescale (qtpad->trak), GST_SECOND);
if (lateness > 0 && trak_lateness > 0) {
/* If the lateness is less than 1% of the (video) frame duration, we
* just allow it. It's usually irrelevantly small anyway, and having
* such a short edit list of -1 might break other cases (e.g. in
* prefill mode it will just error out for no real reason) */
if (qtpad->expected_sample_duration_n != 0) {
one_percent_of_frame_duration =
gst_util_uint64_scale (qtpad->expected_sample_duration_d,
GST_SECOND, 100 * qtpad->expected_sample_duration_n);
}
if (lateness > one_percent_of_frame_duration && trak_lateness > 0) {
GST_DEBUG_OBJECT (qtmux,
"Pad %s is a late stream by %" GST_TIME_FORMAT,
GST_PAD_NAME (qtpad->collect.pad), GST_TIME_ARGS (diff));
......
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