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lavfi/subtitles: zero-init AVSubtitle.

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This avoids invalid free when the stream id doesn't match the packet
stream index.

Ticket #2501
(cherry picked from commit 035a3792c223d3b2bba79f38049bd6363b2d470d)
This commit is contained in:
Clément Bœsch 2013-04-25 00:56:36 +02:00
parent 0a53c7016f
commit 3d6219b6db
1 changed files with 1 additions and 1 deletions
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2
libavfilter/vf_subtitles.c
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@ -332,7 +332,7 @@ static av_cold int init_subtitles(AVFilterContext *ctx, const char *args)
pkt.size = 0; pkt.size = 0;
while (av_read_frame(fmt, &pkt) >= 0) { while (av_read_frame(fmt, &pkt) >= 0) {
int i, got_subtitle; int i, got_subtitle;
AVSubtitle sub; AVSubtitle sub = {0};
if (pkt.stream_index == sid) { if (pkt.stream_index == sid) {
ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_subtitle, &pkt); ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_subtitle, &pkt);