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qtdemux: Avoid negative overflow on keyframe search

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Do not overflow negatively when searching a previous
"keyframe" on audio streams. Could cause infinite loops
on backwards playback

Fixes #607718
This commit is contained in:
Roland Krikava 2010-01-21 23:17:40 -03:00 committed by Thiago Santos
parent 701c7d4b2a
commit 8a80fdaad1
1 changed files with 4 additions and 1 deletions
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5
gst/qtdemux/qtdemux.c
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@ -1932,7 +1932,10 @@ gst_qtdemux_seek_to_previous_keyframe (GstQTDemux * qtdemux)
k_index = gst_qtdemux_find_keyframe (qtdemux, ref_str, k_index = gst_qtdemux_find_keyframe (qtdemux, ref_str,
ref_str->from_sample - 1); ref_str->from_sample - 1);
} else { } else {
k_index = ref_str->from_sample - 10; if (ref_str->from_sample >= 10)
k_index = ref_str->from_sample - 10;
else
k_index = 0;
} }
/* get current segment for that stream */ /* get current segment for that stream */