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Code Issues Releases Activity

avformat/avidec: skip len=0 entries from the index

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Reduces cpu & memory requirements for the index
See Ticket 3531

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Don Moir 2014-04-25 17:57:49 +02:00 committed by Michael Niedermayer
parent cdac3ab59f
commit 62056d09b1
1 changed files with 2 additions and 2 deletions
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4
libavformat/avidec.c
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@ -224,7 +224,7 @@ static int read_braindead_odml_indx(AVFormatContext *s, int frame_num)
if (last_pos == pos || pos == base - 8)
avi->non_interleaved = 1;
if (last_pos != pos && (len || !ast->sample_size))
if (last_pos != pos && len)
av_add_index_entry(st, pos, ast->cum_len, len, 0,
key ? AVINDEX_KEYFRAME : 0);
@ -1226,7 +1226,7 @@ start_sync:
ast->packet_size = size + 8;
ast->remaining = size;
if (size || !ast->sample_size) {
if (size) {
uint64_t pos = avio_tell(pb) - 8;
if (!st->index_entries || !st->nb_index_entries ||
st->index_entries[st->nb_index_entries - 1].pos < pos) {