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dashdemux: fixed illegal memory access in gst_mpd_client_get_last_fragment_timestamp_end

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https://bugzilla.gnome.org/show_bug.cgi?id=758188
This commit is contained in:
Florin Apostol 2015-11-16 17:25:34 +00:00 committed by Sebastian Dröge
parent b095026945
commit fb2d3abca8
1 changed files with 17 additions and 12 deletions
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29
ext/dash/gstmpdparser.c
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@ -4833,20 +4833,25 @@ gst_mpd_client_get_last_fragment_timestamp_end (GstMpdClient * client,
stream = g_list_nth_data (client->active_streams, stream_idx);
g_return_val_if_fail (stream != NULL, 0);
segment_idx = gst_mpd_client_get_segments_counts (client, stream) - 1;
currentChunk = g_ptr_array_index (stream->segments, segment_idx);
if (currentChunk->repeat >= 0) {
*ts =
currentChunk->start + (currentChunk->duration * (1 +
currentChunk->repeat));
} else {
/* 5.3.9.6.1: negative repeat means repeat till the end of the
* period, or the next update of the MPD (which I think is
* implicit, as this will all get deleted/recreated), or the
* start of the next segment, if any. */
if (!stream->segments) {
stream_period = gst_mpdparser_get_stream_period (client);
*ts = stream_period->start + stream_period->duration;
} else {
segment_idx = gst_mpd_client_get_segments_counts (client, stream) - 1;
currentChunk = g_ptr_array_index (stream->segments, segment_idx);
if (currentChunk->repeat >= 0) {
*ts =
currentChunk->start + (currentChunk->duration * (1 +
currentChunk->repeat));
} else {
/* 5.3.9.6.1: negative repeat means repeat till the end of the
* period, or the next update of the MPD (which I think is
* implicit, as this will all get deleted/recreated), or the
* start of the next segment, if any. */
stream_period = gst_mpdparser_get_stream_period (client);
*ts = stream_period->start + stream_period->duration;
}
}
return TRUE;