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mpeg12: clean current picture ptr. 

This avoids having a stray pointer left that may not represent the current picture
and state.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-11 23:24:54 +01:00
parent 3a7f00810c
commit 8824a9ed22
1 changed files with 2 additions and 0 deletions
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2
libavcodec/mpeg12.c
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@ -2528,6 +2528,8 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
MpegEncContext *s2 = &s->mpeg_enc_ctx;
av_dlog(avctx, "fill_buffer\n");
s2->current_picture_ptr = NULL;
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == SEQ_END_CODE)) {
/* special case for last picture */
if (s2->low_delay == 0 && s2->next_picture_ptr) {