avcodec/ffv1dec: More completely check micro_version

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2015-05-04 14:31:45 +02:00
parent 3dfbdb328e
commit 03baa861ea
+2
View File
@@ -528,6 +528,8 @@ static int read_extra_header(FFV1Context *f)
if (f->version > 2) {
c->bytestream_end -= 4;
f->micro_version = get_symbol(c, state, 0);
if (f->micro_version < 0)
return AVERROR_INVALIDDATA;
}
f->ac = f->avctx->coder_type = get_symbol(c, state, 0);
if (f->ac > 1) {