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avformat/nutenc: limit index table size if no index is going to be written 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-05-29 03:48:02 +02:00
parent 82beb46e65
commit 6d1aba6a29
1 changed files with 8 additions and 1 deletions
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9
libavformat/nutenc.c
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@ -1002,8 +1002,15 @@ static int nut_write_packet(AVFormatContext *s, AVPacket *pkt)
AV_ROUND_DOWN);
int index = av_index_search_timestamp(st, dts_tb,
AVSEEK_FLAG_BACKWARD);
if (index >= 0)
if (index >= 0) {
sp_pos = FFMIN(sp_pos, st->index_entries[index].pos);
if (!nut->write_index && 2*index > st->nb_index_entries) {
memmove(st->index_entries,
st->index_entries + index,
sizeof(*st->index_entries) * (st->nb_index_entries - index));
st->nb_index_entries -= index;
}
}
}
nut->last_syncpoint_pos = avio_tell(bc);