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30l: when reading mb_offset in RV30 slice header its size

should be calculated from current frame dimensions

Originally committed as revision 16536 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.5
Kostya Shishkov 16 years ago
parent
commit
42b7678d65
1 changed files with 5 additions and 6 deletions
  1. +5
    -6
      libavcodec/rv30.c

+ 5
- 6
libavcodec/rv30.c View File

@@ -51,13 +51,12 @@ static int rv30_parse_slice_header(RV34DecContext *r, GetBitContext *gb, SliceIn
skip_bits1(gb);
si->pts = get_bits(gb, 13);
rpr = get_bits(gb, r->rpr);
if(!rpr){
si->width = w;
si->height = h;
}else{
si->width = r->s.avctx->extradata[6 + rpr*2] << 2;
si->height = r->s.avctx->extradata[7 + rpr*2] << 2;
if(rpr){
w = r->s.avctx->extradata[6 + rpr*2] << 2;
h = r->s.avctx->extradata[7 + rpr*2] << 2;
}
si->width = w;
si->height = h;
mb_size = ((w + 15) >> 4) * ((h + 15) >> 4);
mb_bits = ff_rv34_get_start_offset(gb, mb_size);
si->start = get_bits(gb, mb_bits);


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