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Avoid segfault on ffmpeg "buffer flush" in mpeg12.c patch by (Wolfram Gloger <wmglo at dent dot med dot uni-muenchen dot de>) 

Originally committed as revision 3324 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Wolfram Gloger 2004-07-16 18:36:39 +00:00 committed by Michael Niedermayer
parent 6206f8c920
commit 6cfe51d9da
1 changed files with 7 additions and 5 deletions
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12
libavcodec/mpeg12.c
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@ -2769,12 +2769,14 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
MpegEncContext *s2 = &s->mpeg_enc_ctx; MpegEncContext *s2 = &s->mpeg_enc_ctx;
dprintf("fill_buffer\n"); dprintf("fill_buffer\n");
/* special case for last picture */ if (buf_size == 0) {
if (buf_size == 0 && s2->low_delay==0 && s2->next_picture_ptr) { /* special case for last picture */
*picture= *(AVFrame*)s2->next_picture_ptr; if (s2->low_delay==0 && s2->next_picture_ptr) {
s2->next_picture_ptr= NULL; *picture= *(AVFrame*)s2->next_picture_ptr;
s2->next_picture_ptr= NULL;
*data_size = sizeof(AVFrame); *data_size = sizeof(AVFrame);
}
return 0; return 0;
} }