From: Michael Niedermayer <[email protected]>
Signed-off-by: Anton Khirnov <[email protected]>
---
libavcodec/h263dec.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index fee5d32..8a367c8 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -383,6 +383,18 @@ uint64_t time= rdtsc();
retry:
+ if(s->divx_packed && s->xvid_build>=0 && s->bitstream_buffer_size){
+ int i;
+ for(i=0; i<buf_size-3; i++){
+ if(buf[i]==0 && buf[i+1]==0 && buf[i+2]==1){
+ if(buf[i+3]==0xB0){
+ av_log(s->avctx, AV_LOG_WARNING, "Discarding excessive
bitstream in packed xvid\n");
+ s->bitstream_buffer_size=0;
+ }
+ break;
+ }
+ }
+ }
if(s->bitstream_buffer_size && (s->divx_packed || buf_size<20)){ //divx
5.01+/xvid frame reorder
init_get_bits(&s->gb, s->bitstream_buffer, s->bitstream_buffer_size*8);
--
1.7.5.1
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