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ffv1: fix reading global header with CRC

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-31 00:47:36 +02:00
parent 57778f61d0
commit 21fdf1ccf0
1 changed files with 3 additions and 1 deletions
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4
libavcodec/ffv1.c
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@ -1697,8 +1697,10 @@ static int read_extra_header(FFV1Context *f){
ff_build_rac_states(c, 0.05*(1LL<<32), 256-8); ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
f->version= get_symbol(c, state, 0); f->version= get_symbol(c, state, 0);
if(f->version > 2) if(f->version > 2) {
c->bytestream_end -= 4;
f->minor_version= get_symbol(c, state, 0); f->minor_version= get_symbol(c, state, 0);
}
f->ac= f->avctx->coder_type= get_symbol(c, state, 0); f->ac= f->avctx->coder_type= get_symbol(c, state, 0);
if(f->ac>1){ if(f->ac>1){
for(i=1; i<256; i++){ for(i=1; i<256; i++){