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qtdemux: guard against timestamp calculation overflow in gap event loop

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Could possibly cause an endless loop.

Fixes #1400.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3085>
This commit is contained in:
Tim-Philipp Müller 2022-09-27 13:56:54 +01:00
parent c2c20d2437
commit d5577bbe5c
1 changed files with 1 additions and 0 deletions
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subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
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@ -6395,6 +6395,7 @@ gst_qtdemux_loop_state_movie (GstQTDemux * qtdemux)
/* gaps can only be sent after segment is activated (segment.stop is no longer -1) */
while (GST_CLOCK_TIME_IS_VALID (stream->segment.stop) &&
GST_CLOCK_TIME_IS_VALID (stream->segment.position) &&
stream->segment.position < (G_MAXUINT64 - gap_threshold) &&
stream->segment.position + gap_threshold < min_time) {
GstEvent *gap =
gst_event_new_gap (stream->segment.position, gap_threshold);